Sony TC WE835S Stereo Dual Cassette Deck Single Dual Cassette Deck - TC
Contents
1. 219 136 11 216 073 00 219 137 11 219 197 11 216 097 00 216 073 00 216 073 00 216 067 00 216 081 00 216 097 00 216 097 00 216 049 11 216 025 00 216 073 00 216 073 00 216 073 00 216 073 00 216 073 00 216 025 00 216 025 00 216 025 00 216 025 00 216 025 00 216 025 00 216 025 00 216 025 00 216 025 00 216 025 00 216 025 00 216 025 00 216 025 00 216 025 00 216 025 00 216 097 00 216 097 00 216 097 00 216 097 00 216 073 00 216 080 00 216 057 00 216 092 00 216 084 00 216 077 00 216 070 00 216 073 00 216 073 00 216 073 00 216 073 00 216 083 00 216 083 00 216 083 00 Description FUSIBLE METAL CHIP FUSIBLE FUSIBLE RES CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP 0 22 10K 0 33 0 33 100K 102. L H1GHZNORMAL MOTOR DRIVE MOTOR DRIVE WE725 WE825S D RES SWITCH DECK A DECK B Page 21 L ES a ESSE i CN304 R896 EL 45V 1801 10 1955 R461 tL C481 E Ein fa c EA Th DA RELAY B L CH REC e mi GND SE E KE A e D Q462 463 Page DIRECTION SW 0 15 21 BIAS 10 gt 34 2 6V F TYPE Ok Bt l al al CN CN 2 9 gt gt a G CN8805 e 2 2 55568 STOP SW BIS 58 Lu wera mes s SESE gt gt 70 ze 2 C C HALF 1 x lt res x B CAL3 2 gt SLSLSLS LO 34 B AS g ms 2 6 mu 3 R895 pas 23 WE725 0 WE625 WE825S 27k WE725 WE825S 1C808 1C803 82 BIAS SWITCH BIAS CALIBRATION 9 5v I DGND mm 19 20 TC WE625 WE725 WE825S 5 6 SCHEMATIC DIAGRAM MAIN SECTION 3 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 US CND AN uus 1 29 Page 29 Fago 23 Page 30 29 LL z 9 gt 2o 5 5 a gt a lt gt a x gt _ a n OO TI rm z a ow L 02 ON z Z O o gt
3. gt E ap JW152 elo o eoe e e gt NW CNABO7 0809 7 9 I i P P P PPP Drees L WE725 WE825S R vo Oo n lt 1 27 m a a O 10 OO oo co rc c mnc c a 0 E HB BAAS R222 CII5HHS3 9 0 55558 o o 6 G 5 L 44115 24 T LP1 sm pn n CD 00 5 601 S s s i 6 a 1 0 L 8019 VIV 2 38577 N 9834 8833 go n am 1 504 d al gt 5 B ESE2 9 P 9 WE825S N Noten FA BH JW113 AD Ton 5 804 9 x Rv202 BI d 2253 Yl 25 JW2 44 WEB2ES GO G 9 o 9 EIN 2 2 FAN 8888 88 SEE l TEN m 179 5 CH jar 7527240 857 BEN BI C512 BLU x 30 572 Q of 5 JW61 5 e UII 3 CNSBOS 2 WE725 NEB25S Jw239 LAN a s m _ N 8 14 JW109 809 lo Z Jw209 9 9 N LA T RV1O R832 R831 e W22 224 co T e T R463 31 e w Po m JW83 w82 BA ER 8 22 9 1 cois in in in 1D Page 35 F JW84 JW85 e R89 3I
4. O riorencenindiemortube grd driver OOOO O Fuorescentindcatorte grid der OOOO 9 Fluorescent indicator power supply _ VSS REEL A EN EZN RE REEL B 0 REEL Reel_motor output DECKB e o EM Relay record playback selector output DECK A L Record Bias ON OFF output DECK ON ua RE 5 2 CIRCUIT BOARDS LOCATION TRANS A board Except Singapore Malaysia AUDIO A board TRANS B board SW C board Except US Canadian MAIN board DOLBY S board 2 8255 SW board US Canadian SW B board Except US Canadian LEAF SW A board FL board LEAF SW B board AUDIO board THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS In addition to this the necessary note is printed in each block e For printed wiring boards e o parts extracted from the component side Through hole Pattern from the side which enables seeing The other layers patterns are not indicated Chip transistor of abbreviation E e For schematic diagrams All capacitors are uF unless otherwise noted pF puF PB DECK A 50 WV or less are not indicated except for electrolytics REC DECK A and tantalums PB DECK B All resistors a
5. 6 3 CASSETTE HOLDER SECTION not supplied 101 102 Ref No Part No Description Remark Ref No Part No Description Remark 101 3374 864 1 LID A ASSY CASSETTE 109 3 354 953 01 LEVER LOCK LEVER L 102 X 3374 865 1 LID B ASSY CASSETTE 110 3 354 957 01 JOINT LOCK LEVER 103 3 931 427 31 BUTTON EJ 111 X 4945 946 1 HOLDER R ASSY CASSETTE 104 X 4945 947 1 HOLDER L ASSY CASSETTE 112 4 959 232 21 SPRING R TORSION 105 4 959 231 21 SPRING L TORSION 113 3 354 956 01 LEVER EJ SAFETY LEVER 106 3 354 963 01 DAMPER 114 3 354 962 11 SPRING EJ SAFETY SPRING R 107 3 354 955 01 LEVER EJ SAFETY LEVER L 115 4 951 620 01 SCREW 2 6X8 BVTP 108 3 354 961 11 SPRING EJ SAFETY SPRING L 116 3 354 954 01 LEVER LOCK LEVER R 40 6 4 FRONT PANEL SECTION Ref No 151 151 151 151 151 152 153 154 155 156 157 Part No 3374 855 1 3374 857 1 3374 858 1 3374 942 1 3375 510 1 3 021 239 01 4 996 698 41 4 951 620 01 4 978 398 21 3 021 232 01 3 021 230 01 Description Remark PANEL ASSY FRONT WE625 US CND PANEL ASSY FRONT WE725 PANEL ASSY FRONT WE825S AEP UK PANEL ASSY FRONT WE625 CH SP MY AUS PANEL ASSY FRONT WE825S US KNOB REC EMBLEM SONY SCREW 2 6X8 BVTP CUSHION BUTTON COUNTER BUTTON FUNCTION Ref No 158 159 159 160 161 162 163 164 FLT901 41 Part No X 3371 37
6. R24 C22 6 2k 0 022 r 053 7 3 25016225 7 2 2 BIAS L CH REC GND R CH REC RELAY Page 17 2 6V TYPE Page 16 LEAF SW A BOARD WE625 METAL DET HALE DET DET 585 pwenn ERASE PROOF Qr T C85 100p 630V mee ER 04 Semiconductor Location 04 31 32 5 14 PRINTED WIRING BOARDS DECK B SECTION AUDIO B BOARD 2 REEL MOTOR HRPEIOI RECORD PLAY BACK ERASE MI CAPSTAN T a s 2 gin se be LOS ap D S660 Mie es a ten a v Xi mnn 4 P 2 X s e d Y lt 4 M ACE X KD 3 eX b x k 1 ces MOUN TOS SON vert wo MY 7 Y E d gt 5 bead is id 4 Fa ri gt MOU efe a 4 m 5 ic Soni mi A w 5 D oy NN a k ie 1 D 9 s A bg Page 15 584 583 586 ERASE PROOF METAL DET HALF DET SIDE A S85 3 V5 pi Dl ERASE PROOF F le li pets SibE B unm amas 5837 QUEUE IE 90 4 e Semiconductor 04 i 44 Location 99 _ TC WE625 WE725 WE825S 5 15 SCHEMATIC DIAGRAM DECK B SECTIO
7. 5917 592 ie O lt S921 O FRONT gt lt IBACK M CLEAR 4 b d d d p d LN R935 lA gt yon Zhi 923 US o 937 936 R9 3 KHE 9V1 a po d P _ DOLBY NR E 2 R917 R923 R925 Bw lt 5914 E 15939 8972 din ER S 9060 240288 RES AN AONP BAN PT DUR 918 925 922 gi 89292 58194 d 2 d 2 d 2 SB 57 ER ON lt lt OFF O 1 P O 7 REC 668 797 04 YE 3 4 5 5925 WE REC MUTING NO a 27 5942 RMS START 11 B Page 15 REC VOL BOARD AUTO o Y ER E D R902 1 668 797 WE825S S947 DIRECTION 1947 MODE 5801 FURS 9 O 1 668 797 16 16 SW BOARD us cup 5947A DIRECTION MODE Page 16 28 5 11 SCHEMATIC DIAGRAM PANEL SECTION 1 2 3 4 5 SW BOARD us POWER ON POWER OFF Page 22 R947 47 S947 DIRECTION D GND PITCH ONZOFF PITCH MIN e J PITCH MAX 1 Page 22 TIMER S960 PITCH I CONTROL R903 D 8258 SW B BOARD US CND S947A DIRECTION F D GND PITCH ONZOFF PITCH
8. K KK K K K K lt RESISTOR gt RES CHIP 100K 5 1 10W WE825S US RES CHIP 47K 5 1 10W VARIABLE RESISTOR RES VAR CARBON 50K PITCH CONTROL WE825S US lt SWITCH gt SWITCH PUSH 1 KEY I CD SWITCH SLIDE DIRECTION MODE SWITCH PUSH 1 KEY PITCH CONTROL WE825S US K K K KK K K K KK K K K K K K K K R903A R947A 1 216 097 00 1 216 089 00 RV902A 1 225 173 21 SW B BOARD EXCEPT US CND SUPPLIED WITH MAIN BOARD COMPLETE ak gt gt K K K K KK K K K lt RESISTOR gt 1 10W 1 10W RES CHIP 100K 5 RES CHIP 47K 5 lt VARIABLE RESISTOR gt RES VAR CARBON 50K PITCH CONTROL 5947 5960 1 762 609 11 Description Remark SWITCH SWITCH SLIDE DIRECTION MODE 1 554 118 00 SWITCH PUSH 1 KEY PITCH CONTROL K K KK K K K K K K K K K C001 CN002 CNO002 A S850 1 113 925 11 1 568 226 11 1 580 230 31 1 762 581 11 SW C BOARD EXCEPT US CND SUPPLIED WITH MAIN BOARD COMPLETE K K K K KK K K K K lt CAPACITOR gt CERAMIC 0 01uF 20 250V lt CONNECTOR gt PIN CONNECTOR 2P AEP UK CH AUS PIN CONNECTOR PC BOARD 2P SPMY lt SWITCH gt SWITCH AC POWER PUSH 1 KEY K K K K K KK K K K KK K K K K KK KK K KK KK K K K KK K K K K K K K C
9. The components identified by Les composants identifi s par une mark dotted line with mark marque Asont critiques pour la Aare critical for safety s curit Replace only with part number Neles remplacer que par une pi ce specified portant le num ro sp cifi Ref No Part No Description Remark Ref No Part No Description Remark 51 A 2007 758 A MAIN BOARD COMPLETE WE725 7 095 4 978 398 21 CUSHION pl A 2007 761 A MAIN BOARD COMPLETE WE625 US CND 56 1 769 883 11 WIRE FLAT TYPE 7 CORE WE625 51 A 2007 762 A MAIN BOARD COMPLETE WE625 AUS 56 1 769 916 11 WIRE FLAT TYPE 9 CORE WE725 WE825S 81 A 2007 763 A MAIN BOARD COMPLETE WE625 SP M Y o5 A 2007 801 A DOLBY S BOARD COMPLETE WE825S pil A 2007 764 A MAIN BOARD COMPLETE WE625 CH A58 1 575 651 21 CORD POWER AEP SP M Y sil A 2007 765 A MAIN BOARD COMPLETE WE825S AEP UK A59 1 751 529 11 CORD POWER UK Fo A 2007 802 A MAIN BOARD COMPLETE WE825S US 60 1 590 926 11 CORD POWER US CND 52 1 590 486 11 WIRE FLAT TYPE 7 CORE WE625 A 61 1 696 845 11 CORD POWER AUS 52 1 769 914 11 WIRE FLAT TYPE 9 CORE WE725 WE825S 62 1 782 510 11 CORD POWER CH 53 3 346 265 31 HOLDER PC BOARD AN T701 1 431 786 11 TRANSFORMER POWER AEP UK CH AUS 54 4 977 591 01 FOOT F50150S EXCEPT US CND AN T701 1 431 788 11 TRANSFORMER POWER US CND 54 4 977 591 11 FOOT F50150S US CND AN T701 1 431 789 11 TRANSFORMER POWER SP 39
10. u for example uPA uPA uPB uPB uPC uPD uPD e CAPACITORS uF uF e COILS uH uH MY Malaysia model CH Chinese model Description Remark AUDIO A BOARD COMPLETE WE625 AUDIO A BOARD COMPLETE WE725 WE825S lt gt CERAMIC CHIP 390PF 5 50 0 022uF 5 50V ELECT 22uF 20 16V CERAMIC CHIP 100PF 5 50 CERAMIC CHIP 390 5 50 0 022uF 5 50V ELECT 22uF 20 16V CERAMIC CHIP 100PF 5 50 ELECT 22uF 20 16V ELECT 22uF 20 16V ELECT 22uF 20 16V CERAMIC CHIP 0 0022uF 10 100V CERAMIC CHIP 0 0022uF 10 100V CERAMIC CHIP 0 0068uF 10 50V FILM 0 01 5 630V CERAMIC CHIP 2 2uF 16V CERAMIC CHIP 1uF 16V CERAMIC CHIP 1uF 16V ELECT 22uF 20 16V CERAMIC CHIP 0 01uF 50V FILM 0 022UF 5 50V CERAMIC CHIP 0 10 25V FILM 470PF 5 630 100 5 630V CERAMIC CHIP 0 0012uF 5 50V FILM 5 630V CERAMIC CHIP 10 50V ELECT 22uF 20 16V CERAMIC 4PF 0 25PF 500V CERAMIC CHIP 0 01uF 50V FILM 0 022UF 5 50V CERAMIC CHIP O 1uF 10 25V FILM 470PF 5 630 100 5 630 CERAMIC CHIP 0 0012uF 5 50V FILM 5 630 CERAMIC CHIP 10 50V CERAMIC CHIP 0 47uF 25V Ref No X X CNP31 CNP32 CNP33 CNP71 CNP72 CNP73 CNP75 D31 IC31 81 81 91 051 052 053 071 R11 R12 R13 R14 R21 R22 R23 R24 R31 R32 R33 R51 R
11. MAIN SECTION 1 4 Refer to page 37 for IC Block Diagrams Semiconductor Location 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 MAIN BOARD 1 4 A DECK A cu T 2 2k F 2 2k F 2 2k STOP SW A STOP SW I j I E 6 E 6 A 4 B 1 B 1 san Nue S A 9 ja A 8 a 32 S REEL B 8 B Page 32 5 8 1885 2 gt A 8 0p E 0 WE625 se 27k 725 8259 Lh A 8 d lt lt d B 8 EE BV AUDIO 7P A 5 C oro gen una B 6 2 e I I 5 45 yen maille FF 221547777277 222 777 O e i 23 8 ium 6 REEL 00 A 8 pou C 8 Page orom a N an m 8 D 7 5V MOTOR F 8 eee ee 1 gt F 8 2 F 8 CG 35 SPEED 4 gt F 8 5 gt Page st 5 EA E E EEUU ENS L __ 1 E 10 6 BIAS 5 CONTROL F mes L CH REC 6 GND GARD E 80 EC F U 7 ng a p L E 5 RELAY 451 5 RELAY DRIVE W Ar F 4 q DIR SW G 12 2
12. Tape operation buttons Deck B AMS button AMS button Stop button Reverse play button Foward play button PAUSE button REC MUTING button REC button Eject button Deck B START DECK B IN buttons A B REC button HIGH NORMAL DUBBING button AUTO CAL START IB buttons DECK A button DECK B button PHONES jack SYNCHRO button and indicator ARL button FADER button REC LEVEL knob AUTO indicator eozVinmyi SECTION 2 DISASSEMBLY Note Follow the disassembly procedure in the numerical order given CASE Unscrew the five case attachment screws M3 x 8 and remove the case 2 1 FRONT PANEL ASSY POWER VOLTAGE SELECTOR 1 2 Singapore Malaysia FRONT PANEL ASSY 0 Q power voltage selector 1 3x8 lt CNA807 5 D CNS802 22 CNA801 US Canadian CN501 502 oS 2 SS claw S D 3x8 ke lug plate 5 51 002 T I I ap CNP73 WE725 WE825S CN503 504 XD 3x6 CN51 2 2 MECHANISM DECK Q Press the EJECT button claws cassette lid mechanism deck BVTP 2 6x8 BVTP 2 6 8 2 3 FITTING BASE PTPWH 2x23 connector D fitting base Q fitting 7 4 Pull the square belt Q claws N PRO put around claws gear trigger D Pull the capstan belt and put around claws 2 4 CAPSTAN MOTOR REEL MOTOR Ge connector MTM AU
13. The Simpson 250 and Sanwa SH 63Trd are examples of a pas sive VOM that is suitable Nearly all battery operated digital multimeters that have a 2V AC range are suitable See Fig A To Exposed Metal Parts on Set AC voltmeter 0 75V Earth Ground Fig A Using an AC voltmeter to check AC leakage ATTENTION AU COMPOSANT AYANT RAPPORT A LA SECURITE LES COMPOSANTS IDENTIFI S PAR UNE MARQUE A SUR LES DIAGRAMMES SCH MATIQUES ET LA LISTE DES PI CES SONT CRITIQUES POUR LA S CURIT DE FONCTIONNEMENT NE REMPLACER CES COMPOSANTS QUE PAR DES PI CES SONY DONT LES NUM ROS SONT DONN S DANS CE MANUEL OU DANS LES SUPPL MENTS PUBLI S PAR SONY 2 MODEL IDENTIFICATION TABLE OF CONTENTS panel 1 GENERAL 1 1 Location of Controls vs si kika fk a eli rt ka ak 4 2 DISASSEMBLY 2 1 Front Panel dv a n nt isk a si 5 Mechamsm Deg uuu ull l uu aa en vid ko is die 5 25 Base uuu u u un au ab 6 2 4 Capstan Motor Reel Motor 6 3 021 228 0n TC WE625 US model 2 2 Head Deck C OUT T e 3 MECHANICAL ADJUSTMENTS 8 3 021 228 2 TC WE625 AUS model 3 021 228 3 TC WE625 SP MY model 4 ELECTRICAL ADJUSTMENTS 8 3 021 228 4 TC WE625 CH model 3 021 242 0 TC WE725 model 5 DIAG RAMS 5 1 AC Pin Descriptio n ti da ar ata ai ke 12 POETAREN
14. ma o 5 102 G HAH e 3 RZ 10 SE ill m 5561 Ep ERA 984015 0 1265 5 2 359 Ew Wx n A opere 6 1 4 3 MESS asgaas62 w B Bi 650 SIS MA CHASSIS D a 9 4 o a wor alaa 2 9 o gt 1515 5 L _ lt a B E a 35 2 No 3 gt gt gt 207 l o 2223 5 O WEB25S 2 CE LU WE625ZWE725 Page 25 JW59 Shs JW58 T YN JW57 T JW56 FL EIS 2 gt R21 05 wea sank JW5 US CND C2 JW53 teenie 0810 ais 6206 SSS JW52 JE R208 67 I 5 5 FA PAL PEN Bie 1 TAS US CND 40008 NES Jo R584 R583 Q PF2010 A e ew eS 3 OuipyR203 0 25888587 JW 142 Page 28 C215 Bg 2019 2 030 ae amp 9143 4 31 28 WE725 WE8258 Che o N meme 0 077 BAC FO s a io JW145 Sis F R204 3 WE625 RS0O2EA xix lt JW146 0802 LX 31 D C2046 e Ri24 RI TO EH os JW147 Greco mar A SA R50 JW148 RECEN 64 pos JW155 221 JWA IG R1 21 R104 1 R622 JW150 w ak A 9 W 156 a 0821
15. p 3 5 Jig 8 J W107 JW181 fo N D Z e gt es wc E RAI Ae eijo sels 25 5 SAA La 5 JW88 a 5 98695 gt lt 8 7 3 W105 lt 2 9 D t 9452008 a LI fuil meas aa ge TR 2 1 2228 ale eo Jl W Qo 9 oda Pa e 6 1 95 7 1C607 a gt gt ib DE JW103 IO R80 169 JW216 e 5 806 R 5 ib e 4 R4620 co co o o 5 N amp L 2 JW102 z 6 SS SS 4 5 5 R84 gt Lt R461 8 14 JW101 ESS gt NN gt Be 97 315 A 5871 p MW gt 2151542 CNSBO2 a 558 E JW100 sie s s Ae 0 0 0 0 6010 16 laj q 7 811 nm 5 SOx 5 ES b 33 1 9 5 525555 Sn NUS 1 Eo JW197 a JW198 JW199 SM wey ei a e Q601 sos C elgg 2 WE725 WE825S 0602 27 31 31 WE725 WE825S 1 688 797 1 1 A 6 15 16 TC WE625 WE725 WE825S 5 4 SCHEMATIC DIAGRAM
16. 1 10W METAL CHIP 10 5 1 10W METAL CHIP 150K 5 1 10W METAL CHIP 12K 5 1 10W VARIABLE RESISTOR RES ADJ CARBON 1K RES ADJ CARBON 1K RES ADJ CARBON 10K RES ADJ CARBON 10K RES ADJ CARBON 22K RES ADJ CARBON 22K RELAY RELAY TRANSFORMER COIL BIAS OSCILLATION TRANSFORMER BIAS OSCILLATOR TRANSFORMER BIAS OSCILLATOR TEST PIN HOUSING CONNECTOR PC BOARD 3P A 2007 040 A AUDIO B BOARD COMPLETE 163 131 00 136 157 00 124 234 00 163 251 11 163 131 00 136 157 00 124 234 00 163 251 11 124 234 00 124 234 00 124 234 00 K K K K K K KK K K K K K lt CAPACITOR gt CERAMIC CHIP 390PF 5 50 0 022uF 5 50V ELECT 22uF 20 16V CERAMIC CHIP 100 5 50V CERAMIC CHIP 390PF 5 50 0 022uF 5 50V ELECT 22uF 20 16V CERAMIC CHIP 100PF 5 50 ELECT 22uF 20 16V ELECT 22uF 20 16V ELECT 22uF 20 16V Xo X Ref No C51 C52 C53 C54 C56 57 C71 C80 C81 C82 C83 C84 C85 C86 C87 C88 C89 C90 C91 C92 C93 C94 C95 96 97 98 99 CNP31 CNP32 CNP33 CNP71 CNP72 CNP75 D31 IC31 81 81 91 051 052 053 071 45 Part No 164 161 11 164 161 11 163 019 00 136 601 11 164 505 11 164 346 11 164 346 11 124 234 00 164 232 11 136 157 00 164 004 11 136 4
17. 216 049 11 Description Remark TRANSISTOR 2SB1094 LK TRANSISTOR MSD601 RST1 TRANSISTOR UN2211 US CND TRANSISTOR UN2211 US CND TRANSISTOR MSB709 RT1 TRANSISTOR 2581116 1 TRANSISTOR UN2213 TRANSISTOR MSD601 RST1 lt RESISTOR gt METAL CHIP 10K 5 1 10W RES CHIP 220K 5 1 10W RES CHIP 100K 5 1 10W METAL CHIP 1 8K 5 1 10W METAL CHIP 3 3K 5 1 10W RES CHIP 3K 5 1 10W RES CHIP 1K 5 1 10W RES CHIP 3 9K 5 1 10W METAL CHIP 10K 5 1 10W RES CHIP 4 7K 5 1 10W METAL CHIP 2 2K 5 1 10W METAL CHIP 12K 5 1 10W RES CHIP 1K 5 1 10W METAL CHIP 2 2K 5 1 10W METAL CHIP 22K 5 1 10W METAL CHIP 3 3K 5 1 10W METAL CHIP 10K 5 1 10W METAL CHIP 220 5 1 10W RES CHIP 1K 5 1 10W RES CHIP 47K 5 1 10W RES CHIP 47K 5 1 10W METAL CHIP 10K 5 1 10W METAL CHIP 3 3K 5 1 10W SHORT 0 WE625 WE725 METAL CHIP 10K 5 1 10W RES CHIP 220K 5 1 10W RES CHIP 100K 5 1 10W METAL CHIP 1 8K 5 1 10W METAL CHIP 3 3K 5 1 10W RES CHIP 3K 5 1 10W RES CHIP 1K 5 1 10W RES CHIP 3 9K 5 1 10W METAL CHIP 10K 5 1 10W RES CHIP 4 7K 5 1 10W METAL CHIP 2 2K 5 1 10W METAL CHIP 12K 5 1 10W RES CHIP 1K 5 1 10W METAL CHIP 2 2K 5 1 10W METAL CHIP 22K 5 1 10W METAL CHIP 3 3K 5 1 10W METAL CHIP 10K 5 1 10W METAL CHIP 220 5 1 10W RES CHIP 1K 5 1 10W Ref No R220 R221 R222 R223 R224 R401 R402 R403 R404 R405 R451 R452 R453 R461 R462 R463 R501 R502 R503 R504 R505 R506 R507 R508 R509 R510 R511
18. F DIRE sent i 10000 0 DECK A B Z Or Page lt HIST VIEN dA m 6 M5218AFP 5 AE lt 7 PB INB2 REC LEVE 0 p un l z BALANC LI ia ed a Bl so a BV S LINE le im D e z H 34 R583 7 5k R CALI LN a lt R CALO Q201 R204 iB i SWITCH 1 p on DOLBY NR I RCH BLOCK Lt i IE BATL3Z a LIA qp jJ j JT Lea lt a Fr C ON OFF SWITCH J I C523 RV201 521 524 R526 0 0027 nel RSTI 851 5562 NIN K a 5 0 0022 ii th 47 5V IG 5 ms bur 7 5V 04 23 24 TC WE625 WE725 WE825S 5 8 PRINTED WIRING BOARDS POWER SECTION 5 9 SCHEMATIC DIAGRAM POWER SECTION 1 2 3 4 5 6 7 TRANS m SW BOARD EXCEPT US CND EXCEPT US CND SW BOARD 7o o o o o fo AEP UK AUS CH A A NO701 sese 753 No CHASSIS OEA NE 752 except sn _________ jwe POWER TRANSFORMER AUS wa Trl US 90908 CNOO1 AEP UK CH 2P I 1701 Lo POWER 3f TRANSFORMER 1 NENNEN mm NOT REPLACEABLE TRANS A TRANS A BUILT IN
19. SUPPLIED WITH MAIN BOARD COMPLETE K K K KK K K K K K K K K lt JACK gt 1 568 519 41 JACK LARGE TYPE PHONES K K K K K K K 3 K K K K K K K K K KK K K K K K K K K K K K K K CNP81 CNP81 81 82 R81 R82 R83 R84 R85 R86 581 582 583 584 585 586 1 634 841 14 LEAF SW BOARD WE725 WE825S 1 638 020 11 LEAF SW A BOARD WE625 K K KK K K K K K K K K lt CONNECTOR gt 1 568 850 11 1 568 852 11 SOCKET CONNECTOR 7P WE625 SOCKET CONNECTOR 9P WE725 WE825S lt PHOTO REFLECTOR gt 8 749 924 10 PHOTO REFLECTOR NJL5165K B H1 8 749 924 10 PHOTO REFLECTOR NJL5165K B H1 WE725 WE825S lt RESISTOR gt 1 249 414 11 CARBON 560 5 1 4 1 247 818 11 CARBON 300 5 1 4W 1 247 834 11 CARBON 1 3K 5 1 4W 1 249 417 11 CARBON 1K 5 14W 1 249 408 11 CARBON 180 5 1 4W 1 249 408 11 CARBON 180 5 1 4 WE725 WE825S lt SWITCH gt 1 571 958 11 SWITCH PUSH 1 KEY STOP 1 571 281 21 SWITCH LEAF CrO2 1 571 281 21 SWITCH LEAF METAL 1 571 281 21 SWITCH LEAF ERASE PROOF SIDE A 1 571 281 21 SWITCH LEAF ERASE PROOF SIDE 1 571 281 21 SWITCH LEAF HALF K K K K K KK K K K K KK K K K K K CNP81 CNP81 81 82 1 634 841 14 LEAF SW BOARD WE725 WE825S 1 638 020 11 LEAF SW B BOARD WE625 KOKK K K K K KK K K K K K K K K lt CONNECTOR gt 1 568 850 11 1 568 852 11
20. 00 216 073 00 216 073 00 216 073 00 216 073 00 216 083 00 216 083 00 216 083 00 216 083 00 216 081 00 216 081 00 216 057 00 216 057 00 216 057 00 216 083 00 216 083 00 216 295 00 216 057 00 216 057 00 216 057 00 216 057 00 216 083 00 216 083 00 216 295 00 216 057 00 241 764 11 241 764 11 241 764 11 241 764 11 241 765 11 579 175 11 8 719 313 43 8 719 313 43 Description METAL CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP SHORT METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP SHORT METAL CHIP VARIABLE RESISTOR RES ADJ CARBON 10 RES ADJ CARBON 10K RES ADJ CARBON 10K RES ADJ CARBON 10K RES ADJ CARBON Remark 27 5 1 10W 10K 5 1 10W 20K 5 1 10W 2 2K 5 1 10W 62K 5 1 10W 30K 5 1 10W 15K 5 1 10W 7 5K 5 1 10W 10K 5 1 10W 10K 5 1 10W 10K 5 1 10W 10K 5 1 10W 27 5 1 10W 27 5 1 10W 27 5 1 10W 27 5 1 10W 22K 5 1 10W 22K 5 1 10W 2 2K 5 1 10W 2 2K 5 1 10W 2 2K 5 1 10W 27 5 1 10W 27 5 1 10W WE725 WE825S 0 WE625 2 2K 5 1 10W 2 2K 5 1 10W 2 2K 5 1 10W 2 2K 5 1 10W 27 5 1 10W 27 5 1 10W WE725 WE825S 0 WE625 2 2K 5 1 10W 22K WE725 WE
21. 038 00 CERAMIC CHIP 0 1uF 25V R55 1 216 309 00 METAL CHIP 5 6 5 1 10W C14 1 124 465 00 ELECT O 47uF 20 50V R57 1 216 298 00 METAL CHIP 2 2 5 1 10W C15 1 164 222 11 CERAMIC CHIP 0 22uF 25V R71 1 216 082 00 RES CHIP 24K 5 1 10W R72 1 216 081 00 METAL CHIP 22K 5 1 10W C16 1 163 038 00 CERAMIC CHIP 0 1uF 25 R73 1 216 089 00 RES CHIP 47K 5 1 10W C17 1 124 465 00 ELECT O 47uF 20 50V C18 1 163 038 00 CERAMIC CHIP 0 1uF 25V R74 1 216 089 00 RES CHIP 47K 5 1 10W C19 1 164 222 11 CERAMIC CHIP 0 22uF 25V R81 1 216 073 00 METAL CHIP 10K 5 1 10W C20 1 163 035 00 CERAMIC CHIP 0 047uF 50V R82 1 216 085 00 METAL CHIP 33K 5 1 10W R83 1 216 001 00 METAL CHIP 10 5 1 10W C21 1 164 717 11 CERAMIC CHIP 0 00820 5 50V R84 1 216 101 00 METAL CHIP 150K 5 1 10W C22 1 164 161 11 CERAMIC CHIP 0 00220 10 100V C23 1 163 005 11 CERAMIC CHIP 470 10 50V R85 1 216 075 00 METAL CHIP 12K 5 1 10W C24 1 137 442 11 FILM 0 039uF 5 50V R91 1 216 073 00 METAL CHIP 10K 5 1 10W C25 1 136 165 00 FILM 0 1uF 590 50V R92 1 216 085 00 METAL CHIP 33K 5 1 10W R93 1 216 001 00 METAL CHIP 10 5 1 10W C26 1 137 372 11 FILM 0 022uF 5 50V R94 1 216 101 00 METAL CHIP 150K 5 1 10W C28 1 163 038 00 CERAMIC CHIP 0 1uF 25V R95 1 216 075 00 METAL CHIP 12K 5 1 10W CONNECTOR VARIABLE RESISTOR CN1 1 695 092 11 SOCKET CONNECTOR 7 RV11 1 241 761 11 RES ADJ CARBON 1K lt C gt RV21 1 241 761 11 RES ADJ CARBON 1K RV71 1 241 764 11 RES ADJ CARBON 10K 8 752 076
22. 1 163 017 00 CERAMIC CHIP 0 00470 5 50V 1 126 963 11 ELECT 4 7uF 20 50 1 126 963 11 ELECT 4 7uF 20 50 1 126 964 11 ELECT 10uF 20 50V 1 130 495 00 MYLAR 0 1uF 5 50 1 130 493 00 MYLAR 0 068uF 5 50V 1 126 964 11 ELECT 10uF 20 50V 1 126 959 11 ELECT 0 47uF 20 50 1 126 963 11 ELECT 4 7uF 20 50 1 126 963 11 ELECT 4 7uF 20 50V 1 135 149 21 TANTALUM CHIP 2 2uF 20 10V 1 163 016 00 CERAMIC CHIP 0 0039UF 10 50V 1 126 959 11 ELECT 0 47uF 20 50V 1 126 963 11 ELECT 4 7uF 20 50 1 163 009 11 CERAMIC CHIP 0 001uF 10 50 1 126 961 11 ELECT 2 2UF 20 50 C202 48 Ref No C203 C204 C206 C207 C208 C209 C210 C211 C212 C213 C214 C215 C216 C217 C221 C401 C451 C461 C501 C502 C503 C505 C506 C507 C508 C509 C510 C511 C512 C514 C515 C516 C521 C522 C523 C524 C530 C561 C562 C563 C601 C602 C603 C604 C701 C702 C703 C704 C705 C706 C707 C708 C709 Part No lI lI 163 017 00 126 963 11 126 963 11 126 964 11 130 495 00 130 493 00 126 964 11 126 959 11 126 963 11 126 963 11 135 149 21 163 016 00 126 959 11 126 963 11 163 009 11 165 319 11 126 964 11 126 964 11 126 964 11 126 964 11 126 964 11 126 960 11 130
23. 2K 0 5 1 10W RES CHIP 10K 2 1 10W RES CHIP 10K 2 1 10W METAL CHIP 39K 0 5 1 10W gt k 2k gt k ak ok ak ak ok ak ok ok ak ak ok ak ak ok ak ak ok ak ak ak ak ak ak ok ak ak ok ak ak ok ak ak ak ak ak ak ak R ok ok ok ak ok ok ak ak ak ak ak OK ak ok ok ak R FL BOARD C901 C902 CNS901 FLT901 901 R904 R905 R906 R911 R912 R913 R914 R915 R916 R917 R921 R922 R923 R924 R925 R926 R927 R931 3 377 337 11 1 126 933 11 1 163 037 11 1 770 247 11 1 517 263 11 8 749 014 66 216 025 00 216 097 00 216 025 00 216 051 00 216 055 00 216 059 00 216 063 00 216 069 00 216 077 00 216 089 00 216 051 00 216 055 00 216 059 00 216 063 00 216 069 00 216 077 00 216 089 00 216 051 00 SUPPLIED WITH MAIN BOARD COMPLETE KKK K KK KK HOLDER FL lt CAPACITOR gt ELECT 100uF 20 10V CERAMIC CHIP 0 0224 10 25V lt CONNECTOR gt SOCKET CONNECTOR 41P lt FLUORESCENT INDICATOR gt INDICATOR TUBE FLUORESCENT lt C gt IC NJL56H400 lt RESISTOR gt RES CHIP 100 5 1 10W RES CHIP 100K 5 1 10W WE625 RES CHIP 100 5 1 10W METAL CHIP 1 2K 5 1 10W METAL CHIP 1 8K 5 1 10W METAL CHIP 2 7 5 1 10W RES CHIP 3 9K 5 1 10W METAL CHIP 6 8K 5 1 10W METAL CHIP 15K 5 1 10W RES CHIP 47K 5 1 10W METAL CHIP 1 2K 5 1 10W METAL CHIP 1 8K
24. 30 CXA1917AM T6 RV72 1 241 764 11 RES ADJ CARBON 10K RV81 1 241 786 11 RES ADJ CARBON 22K JUMPER RESISTOR RV91 1 241 786 11 RES ADJ CARBON 22K J1 1 216 296 00 SHORT 0 Ja 1 216 296 00 SHORT 0 lt RELAY gt J3 1 216 296 00 SHORT 0 RY31 1 515 913 11 RELAY lt RESISTOR gt lt TRANSFORMER gt R1 1 216 685 11 METAL CHIP 27K 0 5 1 10W R2 1 208 811 11 RES CHIP 16K 2 1 10W T51 1 406 417 11 COIL BIAS OSCILLATION R3 1 208 791 11 2 4K 2 1 10W 181 1 433 381 11 TRANSFORMER BIAS OSCILLATOR R4 1 208 799 11 RES CHIP 5 1K 2 1 10W T91 1 433 381 11 TRANSFORMER BIAS OSCILLATOR R5 1 216 689 11 METAL CHIP 39K 0 5 1 10W TEST PIN R6 1 216 689 11 METAL CHIP 39K 0 5 1 10W R7 1 216 615 11 METAL CHIP 33 0 5 1 10W TP81 1 568 449 11 HOUSING CONNECTOR PC BOARD 3P R8 1 208 462 41 RES CHIP 10K 2 1 10W K K K K K K KK K KK K K K K K K K K 46 Ref No R9 R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 R20 Part No 208 812 11 216 615 11 216 619 11 216 684 11 216 615 11 216 619 11 216 655 11 216 678 11 216 673 11 208 462 41 cl 208 462 41 216 689 11 Description Remark RES CHIP 18K 2 1 10W METAL CHIP 33 0 5 1 10W METAL CHIP 47 0 5 1 10W METAL CHIP 24K 0 5 1 10W METAL CHIP 33 0 5 1 10W METAL CHIP 47 0 5 1 10W METAL CHIP 1 5K 0 5 METAL CHIP 13K 0 5 1 10W METAL CHIP 8
25. 491 00 130 498 00 126 959 11 126 965 11 126 960 11 126 916 11 126 925 11 126 767 11 126 767 11 126 959 11 130 476 00 130 494 11 130 491 00 164 161 11 126 965 11 136 168 00 130 483 00 136 175 00 165 319 11 165 319 11 163 003 11 163 003 11 128 547 11 126 937 11 126 960 11 126 969 11 126 963 11 126 926 11 126 926 11 126 963 11 126 963 11 Description CERAMIC CHIP ELECT ELECT ELECT MYLAR MYLAR ELECT ELECT ELECT ELECT TANTALUM CHIP CERAMIC CHIP ELECT ELECT CERAMIC CHIP CERAMIC CHIP ELECT ELECT ELECT ELECT ELECT ELECT MYLAR MYLAR ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT MYLAR MYLAR MYLAR CERAMIC CHIP ELECT FILM MYLAR FILM CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT 0 0047uF 4 7uF 4 7uF 10uF 0 1uF 0 068uF 10uF O 47uF 4 7uF 4 7uF 2 2uF 0 0039uF O 47uF 4 7uF 0 001uF 0 1uF 10uF 10uF 10uF 10uF 10uF 0 047 0 18 O 47uF 22uF 1uF 1000uF 470uF 1000uF 1000uF 0 47uF 0 0027uF 0 082uF 0 047uF 0 0022uF 22uF 0 18uF 0 01uF 0 68uF 0 1uF 0 1uF 330PF 330PF 6800uF 4700uF 1uF 220uF 4 7uF 1000uF 1000uF 4 7uF 4 7uF 5 20 20 20 5 5 20 20 20 20 20 10 20 20 10 20 20 20 20 20 20 5 5 20 20 20 20 20 20 20 20 5 5 5 10 2
26. 6V as F G 3 TYPE O Se G Q 6 gt G 4 2 7 5 R 7 gt D 1 LA sTOP sw A 3 Qs 77 9 EIE 8 A A MUN211171 Z 5 i Page 21 G 13 BIAS SWITCH 3 COMPARATOR Lu F 11 A F 12 zi G 2 804 5 a F 3 88 41 R847 7 5k aw ITCH 5 se F 3 B 3 1 E 53 n B 1 a IC807 5 Kec gt H BIAS Re54 27k A CAL2 13 facas 80 00 lt 0 5 gt H 6 Kms J R577 8 2 R578 8 2 R579 5 6 4 CALO H 7 a H 7 alalal O 0 13 212 R572 5 15 gt A 7 Te R573 6 8k R CAL1 B 6 C nere A K ann sa A 8 17 gt A 7 7 diio i 774 AA N An 7 8 Y Y Y Y Y Y Y Y B 8 C 8 F D uf Page 19 16 TC WE625 WE725 WE825S 5 5 SCHEMATIC DIAGRAM MAIN SECTION 2 4 Refer to page 37 for IC Block Diagrams 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 18 5 4 Li CAP M 5 2 gt x 3 7 5V AUDIO 0603 ___ L CH PB k MUN2111T1 4 gt AUDIO FE 9607 5 R CH PB MUN2111T1 REC EQ PF 7 5V AUDIO 52065 REEL C REEL Page 5V MOTOR min guum w 0601 802 9604 9605 L CAPSTAN CAPSTAN CAPSTAN Jl ri
27. 713 11 3 862 713 21 3 862 713 31 3 862 713 41 3 862 713 51 1 7 621 775 00 2 7 685 871 01 3 7 685 646 79 4 7 685 862 09 5 7 685 134 19 6 7 627 556 08 9 922 795 11 KK KK K K K K K HARDWARE LIST KOKK K K KK K K K K K K K SCREW B 2 6X3 SCREW BVTT 3X6 S SCREW BVTP 3X8 TYPE2 N S SCREW BVTT 2 6X6 S SCREW PTPWH 2 6X8 TYPE2 SCREW P 2 6X2 8 The components identified by Les composants identifi s par une mark Aor dotted line with mark marque Asont critiques pour la critical for safety s curit Replace only with part number Ne les remplacer que par une pi ce specified portant le num ro sp cifi Sony Corporation Home A amp V Products Company 54 98 0490 1 Printed Japan 1998 3 Published by General Engineering Dept Shibaura
28. 8 759 636 55 8 752 070 67 8 759 100 96 8 759 822 38 8 759 100 96 8 752 892 34 8 759 165 82 8 759 009 06 8 759 009 06 8 759 009 19 8 759 009 06 8 759 032 11 8 759 009 06 8 759 032 11 1 764 188 11 1 764 188 11 1 770 614 11 1 233 271 11 1 233 271 11 8 729 900 74 8 729 922 37 8 729 900 74 8 729 922 37 8 729 010 29 8 729 010 05 8 729 424 08 8 729 421 22 8 729 010 05 8 729 424 08 8 729 421 22 8 729 010 05 8 729 010 29 8 729 010 29 8 729 421 22 8 729 421 22 8 729 424 08 8 729 801 93 8 729 801 93 8 729 421 22 8 729 424 08 8 729 010 05 8 729 141 83 8 729 209 15 Description Remark lt C gt IC IC IC IC IC IC IC IC CXA1878Q M5218AFP CXA1597P uPC4558G2 LA6510 uPC4558G2 CXP82432A 006Q PST600E T IC MC14052BF IC MC14052BF IC MC14081BF IC MC14052BF IC MC74HC04AF IC MC14052BF IC MC74HC04AF lt JACK gt JACK SMALL TYPB DIA 3 5 S LINK CONTROL A1 JACK SMALL TYPB DIA 3 5 S LINK CONTROL A1 JACK PIN 4P LINE IN OUT lt LOW PASS FILTER gt FILTER LOW PASS FILTER LOW PASS lt TRANSISTOR gt TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR DTC143TS 2SD2144S DTC143TS 2SD2144S MSD601 RST1 M
29. A gt gt gt gt gt gt gt O zo MORE 2 LI a CC Li Li LI L ND e ON CO LO INN N LO FN AN 2 gt QO lt Q Z 00 lt 0 0 0 0 0 n a 0 0 0 a n 6 L 0 a 6266660 101797972 1 ez n cr yO I 99005 25069 a CNAROS BN MAIN BOARD II rl EE 3 4 US CND C bis I NEM lt m lt 2 lt 3 j JJ 2 o C lt 5 0708 155352 R701 560 AVSS AVREF Kod 0803 185352 0804 155352 R801 100k 412 lt 13 41 lt 0 gt 0 5 4 0 5 5 vv oz PITCH ON OFF OSC ON OFF VOLTAGE AUDIO lt ARL LED OSC CONSTANT N 88 LINE MUTE e CT Eman 9 f 1 vss CXP82432A 006Q DISP 7 1222 8410 SYSTEM CONTROL MEE ENTAL HI Ag e CT Page 765 35 REEL B p ua F2 26 37 SYNC LED REB 8802 36 TEST PITCH VER i 9703 7 6 F ka Oae om o i NE Er 5 45 ua Ql EXP CTRL 1 pm 44
30. R512 R513 R514 R515 R521 R522 R523 R524 R525 R526 R527 R528 R529 R530 R561 R562 R563 R564 R565 R571 R572 R573 R575 R576 R577 R578 Part No cl lI 216 089 00 216 089 00 216 073 00 216 061 00 216 295 00 216 073 00 216 049 11 216 065 00 216 073 00 216 001 00 216 059 00 216 059 00 216 059 00 216 059 00 216 059 00 216 059 00 208 816 11 208 813 11 216 049 11 216 071 00 216 121 00 216 073 00 216 073 00 216 041 00 216 049 11 216 089 00 216 073 00 216 041 00 216 089 00 216 025 00 208 816 11 216 081 00 216 067 00 216 689 11 216 065 00 216 065 00 216 097 00 216 097 00 216 063 00 216 041 00 216 073 00 216 089 00 216 089 00 216 089 00 216 081 00 216 081 00 216 051 00 216 067 00 216 069 00 216 070 00 216 075 00 216 071 00 216 071 00 Description RES CHIP RES CHIP METAL CHIP METAL CHIP SHORT METAL CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP RES CHIP METAL CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP RES CHIP METAL CH
31. Sony Type IV METAL 58 dB Type IV tape Sony Type IV 30 19 000 Hz 3 dB IEC METAL 20 20 000 Hz 6 dB S N ratio improvement approximate values 30 13 000 Hz 3 dB 4 dB With Dolby B NR on 5 dB at 1 kHz 10 dB at 5 kHz recording With Dolby C NR on 15 dB at 500 Hz 20 dB at 1 kHz With Dolby NR on TC WE825S only 10 dB at 100 Hz 24 dB at 1 kHz Continued on next page STEREO CASSETTE DECK ONY E EN MICROFILM Wow and flutter 0 13 W Peak IEC 0 07 W RMS NAB 0 18 W Peak DIN Variable pitch range approx 30 to 30 Inputs Line inputs phono jacks Sensitivity 0 16 V Input impedance 47 kilohms Outputs Line outputs phono jacks Rated output level 0 5 V at a load impedance of 47 kilohms Load impedance Over 10 kilohms Headphones stereo phono jack Output level 0 25 mW at a load impedance of 32 ohms General Power requirements Where purchased Power requirements US Canadian 120 V AC 60 Hz AEP UK Chinese 220 230 V AC 50 60 Hz Australian 240 V AC 50 60 Hz Singapore Malaysia 120 220 230 240 V AC 50 60 Hz Power consumption 30 W Dimensions approx w h d Model for UK and Australian 430 x 120 x 310 mm w h d 17 x 4 3 4 12 14 in Model for other countries 430 x 120 x 290 mm w h d including projecting parts and controls Mass approx 4 3 kg 9 165 8 oz Supplied accessories Audio connecting cords 2 phono plugs
32. TC WE625 WE725 WE825S 16 VFDP FI F2 G8 87 86 5 4 G3 G2 PI P2 P3 P4 PS P6 P7 P8 P9 P10 P11 o Page 5 P14 PIS 16 0 GND 5 KEYI KEY2 KEY4 ARL CD SYNC DIRECTION MPX KEYS TIMER SIRCS 30 TC WE625 WE725 WE825S 5 12 PRINTED WIRING BOARDS DECK A SECTION 5 13 SCHEMATIC DIAGRAM DECK A SECTION AUDIO A BOARD 1 2 3 4 5 6 7 8 g 10 11 2 REEL MOTOR WE725 WE825S A AUDIO BOARD LEAF SW A BOARD S81 STOP o 971 SPEED CONTROL WE725 WE825S _ ___ R72 22k A RV72 Page 17 SPEED Fa 29812 SPEED CAPSTAN MJ sv 5 MOTOR Dear T Y ROTATION DET 5 4 5 2 R86 180 5 4 R84 1C82 81 R85 185 5765 O 5 CNP71 I 582 CrO2 re __ ________ M el MOTOR e ERASE PROOF N 3 SIDE a 29 585 ARS 0WE725 WEB288 ss P T C PESE ves Pol fa SPEED e HIGH WE825S HALF HRPEIOL EE mey a 5 O po 1 g 0000 PE a es RECORD er PLAY BACK RECORD PLAYBACK ERASE S ERASE HEAD CNP32 4 SJ 7P 7 5V L CH PB GND R CH PB REEL REEL Page 17 5V HIGH 7 5V MOTOR MI CAPSTAN MOTOR
33. TRANSFORMER BOARD RANS A EN BOARD 1 YON 1701 l TRANSFORMER IN ie 6 P KNOT REPLACEABLE 9 BUILT IN TRANSFORMER T 1 i aE l 120V in 2 17701 POW 230 240V TRANSFORMER 220V I I V VE dns EI E E S RA AA ETA 2222 5701 po VOLTAGE 220V 230 240V 120V INU ____________ EXCEPT SA 25 26 TC WE625 WE725 WE825S 5 10 PRINTED WIRING BOARDS PANEL SECTION Page 16 FL BOARD FETU sss RESET MEMORY A 2 TA 4 4 NM Oe 11 112119 112 113119 1129 NE wor R992 FLT901 12 yw903 e e JW904 DH ii R905 JW906 4 912 WE625 5 MMM Mi T 8s START DECK 9H AUTO CAL START II RMS 5946 d b 24 bo d b d b d b HIGH 918 ema A EN 5942 NORMAL 4 q Tg q S q O DUBBING 5854 mem ani 5941 gt BA DISPLAY ES q f Ge o DECK 8 a SET 4625 gt gt AMS 4 P PJ gw SE RMS d AMS
34. m lt 2 e LA LO N Y CO p a N I AS Z gt 00 bid AS Z e o o 110 3002N3 A a e e La SS SE BA Ba as 7 7 7 7 7 ae lt Q A LL L 15 DOLBY S BOARD WE825S Block Diagrams 1917 6 TC WE825S 504 1597 MCAIN HLSMP 1 CONTROL MCTC 2 28 MCBO FBOH TCF1H TCF2H TCS2H TCS1H 5 VIE ANTSAT HLSOUT RECOUT 24 SCINL 23 SCBOL 22 FBOL V to Conv H 21 TCS1L Haner 0 TCS2L TCFIL Bil 44 17 IREF 15 6 VCC Se NOTE e The mechanical parts with no reference number in the exploded views are not supplied e Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items Abbreviation CND Canadian model AUS Australian model SP Singapore model MY Malaysia model CH Chinese model 6 1 CASE SECTION SECTION 6 EXPLODED VIEWS e XX and X mean standardized parts so they may have some difference from the original one Color Indication of Appearance Parts Example KNOB BALANCE WHITE RED Parts Color Cabinet s Color Accesso
35. 0 5 5 5 10 10 20 20 20 20 20 20 20 20 20 Remark Ref No 50V C710 50V C711 50V C801 50V C803 50V C810 50V 50V 50V CN101 50V CN201 50V CN501 CN502 10V CN503 50V 50V CN504 50V CNA801 50V CNA806 50V CNA807 50V 50V CNM 701 50V CNS802 50V CNS804 CNS804 50V CNS805 50V 50V CNS805 50V 50V 50V D101 50V D201 6 3V D401 10V D521 16V D522 16V D601 50V D602 50V D701 50V D702 50V D703 100V D704 50V D705 50V D706 50V D707 50V D708 50V D709 50V D710 50V D711 50V D712 16V D713 16V D714 50V D715 50V D716 50V D801 10V D802 10V D803 50V D804 50V 49 Part No 126 935 11 126 947 11 126 933 11 126 959 11 163 037 11 695 087 11 695 087 11 691 916 11 691 916 11 691 916 11 691 916 11 568 954 11 568 934 11 506 468 11 568 955 11 766 269 11 770 246 11 568 826 11 568 828 11 568 826 11 1 568 828 11 8 719 978 24 8 719 978 24 8 719 016 74 8 719 016 74 8 719 016 74 8 719 016 74 8 719 016 74 8 719 200 02 8 719 200 02 8 719 200 02 8 719 200 02 8 719 016 74 8 719 016 74 8 719 200 02 8 719 016 74 8 719 978 24 8 719 978 24 8 719 978 24 8 719 105 99 8 719 016 74 8 719 016 74 8 719 016 74 8 719 977 11 8 719 016 74 8 719 016 74 8 719 016 74 8 719 016 74 Description ELECT 470uF 20 ELEC
36. 0 1 3 931 429 41 3 931 429 51 3 380 952 21 3 931 378 01 1 769 598 11 3 377 337 11 4 977 593 01 1 517 263 11 Description Remark BUTTON SYNCHRO ASSY BUTTON POWER EXCEPT US CND BUTTON POWER US CND BUTTON WE725 WE825S KNOB F10 WE725 WE825S WIRE FLAT TYPE 41 CORE HOLDER FL RING DIA 50 ORNAMENTAL EXCEPT US CND INDICATOR TUBE FLUORESCENT 6 5 TAPE MECHANISM SECTION 1 ERR Ref No 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 HRPE101 201 Part No 3 907 362 01 3 356 713 01 X 3366 047 1 X 3366 048 1 3 362 308 01 3 356 714 01 X 3366 97 1 1 3 355 808 02 3 359 424 01 X 3367 629 1 X 3367 630 1 3 359 430 01 3 359 417 01 3 575 321 00 3 359 436 11 Description SPRING TORSION WASHER LEVER PINCH F ASSY LEVER PINCH R ASSY CAP REEL WASHER TABLE ASSY B REEL PINCH ROLLER GEAR REV GEAR FLYWHEEL FWD ASSY FLYWHEEL REV ASSY SPRING CASSETTE RETAINER LEAF BELT FLAT CAPSTAN RETAINER THRUST CAPSTAN BASE THRUST RETAINER FITTING Remark Ref No Part No 216 3 359 414 01 217 1 638 983 11 218 2007 040 218 2007 509 218 2007 040 219 3 359 466 01 220 1 634 841 14 220 1 638 020 11 220 1 634 841 14 220 1 638 020 11 221 X 3366 970 1 221 X 3366 971 1 HRPE101 A 2004 527 A M1 X 3365 377 2 M2 X 3363 501 2 42 Description Hemark SCREW P
37. 1 10W METAL CHIP 6 8K 5 1 10W METAL CHIP 15K 5 1 10W METAL CHIP 1 2K 5 1 10W METAL CHIP 1 8K 5 1 10W METAL CHIP 2 7K 5 1 10W RES CHIP 3 9K 5 1 10W lt SWITCH gt SWITCH TACTILE CLEAR DECK SWITCH TACTILE II PAUSE DECK A SWITCH TACTILE gt FRONT DECK SWITCH TACTILE lt lt BACK DECK SWITCH TACTILE O REC MUTING DECK A SWITCH TACTILE 44 AMS DECK B SWITCH TACTILE BB AMS DECK B SWITCH TACTILE REC DECK B SWITCH TACTILE DECK B SWITCH TACTILE II PAUSE DECK SWITCH TACTILE gt FRONT DECK SWITCH TACTILE lt lt BACK DECK B SWITCH TACTILE O REC MUTING DECK B SWITCH TACTILE 44 AMS DECK SWITCH TACTILE BB AMS DECK A SWITCH TACTILE REC DECK A SWITCH TACTILE RESET DECK A SWITCH TACTILE MEMORY DECK A SWITCH SLIDE DOLBY NR ON OFFFILTER SWITCH SLIDE DOLBY NR B C WE625 WE725 SWITCH SLIDE DOLBY NR B C S WE8258 SWITCH TACTILE DISPLAY SWITCH TACTILE RMS START SWITCH TACTILE CHECK SWITCH TACTILE SET SWITCH TACTILE A B REC SWITCH TACTILE HIGH NORMAL SWITCH TACTILE RESET DECK B SWITCH TACTILE MEMORY DECK B SWITCH TACTILE DECK A SWITCH TACTILE DECK B K K K K KK K K K K KK K K K KK K K K K K K K K K 47 HEADPHONE LEAF SW A LEAF SW B MAIN Ref No J502 Part No Description Remark HEADPHONE BOARD
38. 2 phono plugs 2 CONTROL cord supplied for Canadian models only 1 Design and specifications are subject to change without notice SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK A OR DOTTED LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY SAFETY CHECK OUT After correcting the original service problem perform the follow ing safety check before releasing the set to the customer Check the antenna terminals metal trim metallized knobs screws and all other exposed metal parts for AC leakage Check leakage as described below LEAKAGE TEST The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis must not exceed 0 5 mA 500 microampers Leakage current can be measured by any one of three methods 1 A commercial leakage tester such as the Simpson 229 or RCA W T 540A Follow the manufacturers instructions to use these instruments 2 A battery operated AC milliammeter The Data Precision 245 digital multimeter is suitable for this job 3 Measuring the voltage drop across a resistor by means of aVOM or battery operated AC voltmeter The limit indication is 0 75 V so analog meters must have an accurate low voltage scale
39. 297CA COIL INDUCTOR 27mH INDUCTOR 27mH TRANSISTOR TRANSISTOR 2SD1622 ST TD TRANSISTOR 2SD1622 ST TD TRANSISTOR 2SD1622 ST TD TRANSISTOR 2SA1162 G Ref No Part No Description Remark Ref No Part No Description Remark RESISTOR 2007 801 DOLBY S BOARD COMPLETE WE825S gt ok ak 2K 2K 2K ak ak ok 2K ak ak R11 1 216 099 00 METAL CHIP 120K 5 1 10W R12 1 216 025 00 RES CHIP 100 5 1 10W lt CAPACITOR gt R13 1 216 100 00 RES CHIP 130K 5 1 10W R14 1 216 068 00 METAL CHIP 6 2K 5 1 10W C1 1 136 165 00 FILM 0 1uF 590 50V R21 1 216 099 00 METAL CHIP 120K 590 1 10W C2 1 163 012 00 CERAMIC CHIP 0 00180 10 50V C3 1 163 012 00 CERAMIC CHIP 0 0 0018uF 10 50V R22 1 216 025 00 RES CHIP 100 5 1 10W C4 1 164 222 11 CERAMIC CHIP 0 22uF 25V R23 1 216 100 00 RES CHIP 130K 5 1 10W C5 1 136 165 00 FILM 0 1uF 590 50V R24 1 216 068 00 METAL CHIP 6 2K 590 1 10W R31 1 216 033 00 METAL CHIP 220 5 1 10W C6 1 136 165 00 FILM 0 1uF 590 50V R32 1 216 033 00 METAL CHIP 220 5 1 10W C7 1 137 372 11 FILM 0 022uF 5 50V C8 1 164 222 11 CERAMIC CHIP 0 22uF 25 R33 1 216 065 00 RES CHIP 4 7 5 1 10W C9 1 126 301 11 ELECT 1uF 20 50V R51 1 216 097 00 RES CHIP 100K 5 1 10W C10 1 137 442 11 FILM 0 039uF 5 50V R52 1 216 097 00 RES CHIP 100K 5 1 10W R53 1 216 073 00 METAL CHIP 10K 5 1 10W C11 1 163 007 11 CERAMIC CHIP 680 10 50V R54 1 216 309 00 METAL CHIP 5 6 5 1 10W C12 1 164 717 11 CERAMIC CHIP 0 00820 5 50V C13 1 163
40. 32A 006Q SYSTEM CONTROLLER REEL Ay ET 3 _ Take up reel rotation detetioninput DECKB ii m CONTRLAOUT O RECMUTE O Recording mute ouput DECK A LE MON _ RECCALO A O Recording CAL O ouput for auto calibration DECKA RECCAL O Recording CAL I ouput for auto calibration DECKA GPCALO amp O 060 CALO ouput for awo calibration _ GPCALi A O GEQ CAL output for awo calibration DECKA 0 RECPB dolby NR mode selector ouput O RECMUTE O Recording mute DECK B 1 MWE ON _ IN ER o 7 10 11 12 13 14 15 16 7 1 AMS IN AMS signal input L Music present CAL OFF S Audio selector H CAL Open Dolby off L Dolby S Dolby selector H C Open L Dolby off Recording CAL O output for auto calibration DECK B Recording CAL 1 output for auto calibration DECK B C B OFF REC CAL 0 B x 0 EXP CTRL 0 GEQ CAL O output for auto calibration DECK GEQ 1 output for auto calibration DECK Power hold output REC EQ high normal select output L Normal Audio selector Pass Open Mute L Dolby AMS amp selector BS Open AMS L OFF EXPCTRLI 9 Fxpanderconmolouput i CD
41. 5 1 10W METAL CHIP 2 7 5 1 10W RES CHIP 3 9K 5 1 10W METAL CHIP 6 8K 5 1 10W METAL CHIP 15K 5 1 10W RES CHIP 47K 5 1 10W METAL CHIP 1 2K 5 1 10W Ref No R932 R935 R936 R937 R941 R942 R943 R944 R945 R946 R951 R952 R953 R954 5911 5912 5913 5914 5915 5916 5917 5918 5921 5922 5923 5924 5925 5926 5927 5928 5931 5932 5936 5937 5937 5941 5942 5943 5944 5945 5946 5951 5952 5953 5954 td I I lI Part No 216 055 00 216 069 00 216 077 00 216 089 00 216 051 00 216 055 00 216 059 00 216 063 00 216 069 00 216 077 00 216 051 00 216 055 00 216 059 00 216 063 00 554 303 21 554 303 21 554 303 21 554 303 21 554 303 21 554 303 21 554 303 21 554 303 21 554 303 21 554 303 21 554 303 21 554 303 21 554 303 21 554 303 21 554 303 21 554 303 21 554 303 21 554 303 21 762 567 11 762 608 11 762 609 11 554 303 21 554 303 21 554 303 21 554 303 21 554 303 21 554 303 21 554 303 21 554 303 21 554 303 21 554 303 21 Description Remark METAL CHIP 1 8K 5 1 10W METAL CHIP 6 8K 5 1 10W METAL CHIP 15K 5 1 10W RES CHIP 47K 5 1 10W WE825S METAL CHIP 1 2K 5 1 10W METAL CHIP 1 8K 5 1 10W METAL CHIP 2 7K 5 1 10W RES CHIP 3 9K 5
42. 5 2 Circuit Boards Location 14 3 021 243 0 8255 model 5 3 Printed Wiring Boards Main Section 15 3 021 243 1 TC WE825S UK model 5 4 Schematic Diagram Main Section 1 4 17 3 021 243 3n TC WE825S US model 5 5 Schematic Diagram Main Section 2 4 19 5 6 Schematic Diagram Main Section 3 4 21 e Abbreviation 5 7 Schematic Diagram Main Section 4 4 23 CND Canadian model 5 8 Printed Wiring Boards Power Section 25 AUS Austrarian model 5 9 Schematic Diagram Power Section 26 model 5 10 Printed Wiring Boards Panel Section 21 MY Malaysia model Ww 5 11 schematic Diagram Panel Section 29 5 12 Printed Wiring Boards Deck A Section 31 5 13 Schematic Diagram Deck A Section 32 5 14 Printed Wiring Boards Deck B Section 33 5 15 Schematic Diagram Deck Section 34 5 16 Printed Wiring Board DOLBY S Section TC WE825S only 39 5 17 Schematic Diagram DOLBY S Section TC WE825S only 35 6 EXPLODED V
43. 52 R53 R54 44 Part No lI 580 782 11 580 781 11 580 782 11 564 719 11 764 902 11 564 718 11 564 718 11 8 719 404 46 8 759 711 85 8 759 106 56 l l 410 780 11 410 780 11 8 729 822 05 8 729 822 05 8 729 822 05 8 729 216 22 L 216 099 00 216 025 00 216 100 00 216 068 00 216 099 00 216 025 00 216 100 00 216 068 00 216 033 00 216 033 00 216 065 00 216 097 00 216 097 00 216 073 00 216 309 00 The components identified by mark dotted line with mark critical for safety Replace only with part number specified Les composants identifi s par une marque Asont critiques pour la s curit Ne les remplacer que par une pi ce portant le num ro sp cifi When indicating parts by reference number please include the board Description Hemark CONNECTOR CONNECTOR BOARD TO BOARD 10P PIN CONNECTOR PC BOARD 7P CONNECTOR BOARD TO BOARD 10P PIN CONNECTOR SMALL TYPE 3P CONNECTOR FFC FPC 4P PIN CONNECTOR SMALL TYPE 2P WE725 WE825S PIN CONNECTOR SMALL TYPE 2P lt DIODE gt DIODE MA110 lt C gt IC NJM4580E D IC uPC1297CA lt COIL gt INDUCTOR 27mH INDUCTOR 27mH lt TRANSISTOR gt TRANSISTOR 2SD1622 ST TD TRANSISTOR 2SD1622 ST TD TRANSISTOR 2SD1622 ST TD TRANSISTOR 2SA1162 G lt RESISTOR g
44. 712 R713 R714 R715 R716 R717 R718 R719 51 Part No c cl 216 067 00 216 059 00 216 065 00 216 065 00 216 070 00 216 075 00 216 071 00 216 071 00 216 059 00 216 067 00 216 025 00 216 025 00 216 081 00 216 081 00 216 075 00 216 075 00 216 076 00 216 076 00 216 076 00 216 076 00 216 070 00 216 070 00 216 072 00 216 072 00 216 073 00 216 057 00 216 073 00 216 057 00 216 066 00 216 089 00 216 089 00 249 414 11 216 073 00 216 061 00 216 065 00 216 069 00 216 053 00 216 073 00 216 053 00 216 065 00 216 049 11 216 069 00 216 069 00 216 049 11 216 073 00 216 059 00 216 081 00 216 073 00 216 689 11 216 075 00 Description METAL CHIP METAL CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP CARBON METAL CHIP METAL CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP METAL CHI
45. 78 11 136 433 11 163 143 00 136 273 00 163 003 11 124 234 00 107 584 11 164 232 11 136 157 00 164 004 11 136 478 11 136 433 11 163 143 00 136 273 00 163 003 11 164 005 11 580 782 11 580 781 11 580 782 11 564 719 11 764 902 11 L 564 718 11 8 719 404 46 8 759 711 85 8 759 106 56 1 410 780 11 1 410 780 11 8 729 822 05 8 729 822 05 8 729 822 05 8 729 216 22 Description Remark CERAMIC CHIP 0 0022uF 10 100V CERAMIC CHIP 0 0022uF 10 100V CERAMIC CHIP 0 0068uF 10 50V FILM 0 01uF 5 630V CERAMIC CHIP 2 2uF 16V CERAMIC CHIP 1uF 16V CERAMIC CHIP 1uF 16V ELECT 22 20 16 CERAMIC CHIP 0 01 50 FILM 0 022UF 5 50V CERAMIC CHIP 0 1uF 10 25 FILM 470PF 5 630V FILM 100PF 5 630V CERAMIC CHIP 0 0012UF 5 50 FILM 5 630V CERAMIC CHIP 330PF 1090 50V ELECT 22 20 16 CERAMIC 4PF 0 25PF 500V CERAMIC CHIP 0 01 50V FILM 0 022UF 5 50V CERAMIC CHIP 0 1uF 10 25V FILM 470PF 5 630V FILM 100PF 5 630V CERAMIC CHIP 0 0012UF 5 50V FILM 75PF 5 630V CERAMIC CHIP 330PF 10 50V CERAMIC CHIP 0 470 25V CONNECTOR CONNECTOR BOARD TO BOARD 10P PIN CONNECTOR PC BOARD 7P CONNECTOR BOARD TO BOARD 10P PIN CONNECTOR SMALL TYPE 3P CONNECTOR FFC FPC 4P PIN CONNECTOR SMALL TYPE 2P DIODE DIODE MA110 NJM4580E D uPC1
46. 825S lt VIBRATOR gt VIBRATOR CERAMIC 10MHz 2K K KK K K K K KK K K K KK K K K K K K K K REC VOL BOARD SUPPLIED WITH MAIN BOARD COMPLETE KOKK K K KK KK K K K K K lt DIODE gt LED SEL6210S TH10 CD SYNCHRO LED SEL6210S TH10 AUTO The components identified by mark Aor dotted line with mark critical for safety Replace only with part number specified 52 Les composants identifi s par une marque Asont critiques pour la s curit Ne les remplacer que par une pi ce portant le num ro sp cifi Ref No 0901 0902 R901 R902 R933 R934 RV901 5933 5934 5935 TRANS Part No 8 729 424 08 8 729 424 08 1 216 041 00 1 216 041 00 1 216 059 00 1 216 063 00 1 225 616 11 1 554 303 21 1 554 303 21 1 554 303 21 Description Remark lt TRANSISTOR gt TRANSISTOR UN2111 TRANSISTOR UN2111 lt RESISTOR gt METAL CHIP 470 5 1 10W METAL CHIP 470 5 1 10W METAL CHIP 2 7K 5 1 10W RES CHIP 3 9K 5 1 10W VARIABLE RESISTOR RES VAR CARBON 20K REC LEVEL SWITCH SWITCH TACTILE FADER SWITCH TACTILE ARL SWITCH TACTILE CD SYNCHRO KK K K K KK K K K KK K K K K KK K K K K K K K K K R903 R947 RV902 S801 S947 S960 1 216 097 00 1 216 089 00 1 225 173 21 1 554 118 00 1 762 609 11 1 554 118 00 SW A BOARD US CND SUPPLIED WITH MAIN BOARD COMPLETE
47. ASSIS ASSY MECHANICAL NOTE e Due to standardization replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set e XX and X mean standardized parts so they may have some difference from the original one e RESISTORS All resistors are in ohms SP Singapore model Ref No Part No ai A 2007 040 A 2007 509 11 1 163 131 00 12 1 136 157 00 C13 1 124 234 00 C18 1 163 251 11 C21 1 163 131 00 C22 1 136 157 00 C23 1 124 234 00 C28 1 163 251 11 C31 1 124 234 00 C32 1 124 234 00 C33 1 124 234 00 C51 1 164 161 11 C52 1 164 161 11 C53 1 163 019 00 C54 1 136 601 11 C56 1 164 505 11 C57 1 164 346 11 C71 1 164 346 11 C80 1 124 234 00 C81 1 164 232 11 C82 1 136 157 00 C83 1 164 004 1141 C84 1 136 478 11 C85 1 136 433 11 C86 1 163 143 00 C87 1 136 273 00 C88 1 163 003 11 C89 1 124 234 00 C90 1 107 584 1141 C91 1 164 232 11 C92 1 136 157 00 C93 1 164 004 1141 C94 1 136 478 11 C95 1 136 433 11 C96 1 163 143 00 C97 1 136 273 00 C98 1 163 003 11 C99 1 164 005 11 METAL Metal film resistor METAL OXIDE Metal oxide film resistor F nonflammable e Abbreviation CND Canadian model AUS Australian model SECTION 7 ELECTRICAL PARTS LIST uA uA e Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items e SEMICONDUCTORS In each case
48. C LEVEL control to obtain the standard output signal level as follows Record Mode AF OSC ES attenuator 10 level meter LINE IN LINE OUT Standard Input Level Input terminal LINE IN source impedance 10 input signal level 0 5 3 8 Standard Output Level Output terminal LINE OUT load impedance 47 kQ output signal level 0 5 3 8 Test Tape Tape Contents Use P 4 A100 10 kHz 10 dB Azimuth Adjustment WS 48B kHz 0 dB Tape Speed Adjustment P 4 L300 315 Hz 0 dB PB Level Adjustment 0 dB 0 775 V Test Mode 1 Turn ON power switch pressing REC MUTING switch of deck A and B at the same time At first all the fluorescent indicator light up then the system returns to normal display However 0 00 is not displayed on the counter To release the test mode turn OFF the power switch Record Playback Head Azimuth Adjustment Procedure 1 Forward Playback Mode test tape 2 level meter 1 1 set i Li LINE OUT 2 Turn the adjustment screw for the maximum output levels If these levels do not match turn the adjustment screw until both of output levels match together within dB within L CH oulput 4 JB within peak level 1aB R CH k screw Screw position position L CH R CH peak peak 3 Playback Mode test tape P 4 A100 10 kHz 10 oscill
49. DIO board SG 2 5 HEAD DECK ASSY torsion spring lever pinch R assy lever pinch F assy SECTION 3 MECHANICAL ADJUSTMENTS PRECAUTION 1 Clean the following parts with a denatured alcohol moistened swab record playback erase head rubber belts idlers 2 Demagnetize the record playback head with a head demagnetizer 3 Donotuse a magnetized screwdriver for the adjustment 4 After the adjustments apply suitable locking compound to the parts adjusted 5 The adjustments should be performed with the rated power supply voltage unless otherwise noted pinch roller capstan Torque Measurement Torque meter Meter reading 30 to 65 6 0 42 to 0 90 oz inch DECK 1106 2 Forward 0 014 to 0 083 oz inch back CQ 102C tension DECK B 2to9g cm 0 028 to 0 125 oz e inch 30 to 65 g cm 0 42 to 0 90 oz inch Reverse back CQ 102RC tension FF REW CQ 201B 1 to 6 g cm 0 014 to 0 083 oz inch 70 to 120 g cm 0 97 to 1 67 oz e inch SECTION 4 ELECTRICAL ADJUSTMENTS PRECAUTION 1 The adjustment should be performed in the publication Be sure to male playback adjustment at first 2 The adjustments and measurement should be performed for both L CH and R CH e Switch position DOLBY NR switch OFF DIRECTION MODE switch e Standard record position Deliver the standard input signal level to input jack and set the RE
50. E BOARD DECK ASSY HEAD RECORD PLAYBACK ERASE MOTOR ASSY CAPSTAN MOTOR ASSY REEL SELECTOR POWER VOLTAGE VOLTAGE SPMY TRANSFORMER POWER AEP UK CH AUS TRANSFORMER POWER US CND TRANSFORMER POWER SP MY K K K K K K K K K K K K KK K K K K KKK K K K K K K K K K K K K ACCESSORIES amp PACKING MATERIALS K K K K K K K K K CORD CONNECTION AUDIO CORD CONNECTION CONTROL A1 CND INDIVIDUAL CARTON WE725 INDIVIDUAL CARTON WE625 US CND AUS INDIVIDUAL CARTON WE625 CH SP MY CUSHION INDIVIDUAL CARTON WE825S AEP UK INDIVIDUAL CARTON WE825S US MANUAL INSTRUCTION ENGLISH US CND UK CH AUS MANUAL INSTRUCTION FRENCH CND MANUAL INSTRUCTION ENGLISH FRENCH SPANISH PORTUGUESE AEP SP MY MANUAL INSTRUCTION GERMAN DUTCH SWEDISH ITALIAN AEP MANUAL INSTRUCTION CHINESE CH SP MY K K K K K K K K K K K K K K K K K K K K KK KK K K KK K K K KK K K K K K K K K Ref No Part No 52 1 590 486 11 52 1 769 914 11 56 1 769 883 11 56 1 769 916 11 A58 1 575 651 21 A59 1 751 529 11 A60 1 590 926 11 A 61 1 696 845 11 A 62 1 782 510 11 162 1 769 598 11 217 1 638 983 11 HRPE101 A 2004 527 A 1 3365 377 2 2 3363 501 2 A S701 1 692 155 11 A T701 1 431 786 11 A T701 1 431 788 11 A T701 1 431 789 11 1 559 713 31 1 777 172 11 3 023 344 01 3 023 369 01 3 023 370 01 3 023 373 01 3 023 374 01 3 025 278 01 3 862
51. IEWS NE Case SCCUOM talk ski sa tk ia ko ana es sd kak dan ba k 38 6 2 Chassis Section 39 6 3 Cassette Holder Section 40 6 4 Front Panel Section 4 6 5 Tape Mechanism Section 1 kab ss aste 42 6 6 Tape Mechanism Section 2222500 43 T ELECTRICAL PARTS LIST 44 1 1 LOCATION OF CONTROLS 11 10 11 12 I Power button US Canadian D Power button EXCEPT US Canadian DIRECTION MODE switch PITCH CONTROL ON L OFF switch TC WE725 WE825S PITCH CONTROL knob TC WE725 WE825S Cassette holder Deck A COUNTER A buttons Deck A RESET button MEMORY button Display window COUNTER B buttons Deck B RESET button MEMORY button Cassette holder Deck B RMS buttons RMS START button SET button CHECK button DISPLAY button Tape operation buttons Deck A 44 AMS RMS button P AMS RMS button CLEAR Stop button BACK Reverse play button FRONT Foward play button PAUSE button REC MUTING button REC button lt I I SECTION 1 GENERAL 13 12 13 14 15 16 17 18 19 20 21 22 23 Eject button Deck DOLBY NR switches ON OFF FILTER switch S switch S use for TC WE825S
52. IP METAL CHIP METAL CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP 47K 47K 10K 3 3K 10K 1K 4 7 10K 10 2 7 2 7 2 7 2 7 2 7 2 7 27 20K 1K 8 2K 1M 10K 10K 470 1K 47K 10K 470 47K 100 27K 22K 5 6K 39K 4 7K 4 7K 100K 100K 3 9K 470 10K 47K 47K 47K 22K 22K 1 2K 5 6K 6 8K 12K 8 2K 8 2K 5 5 5 5 Remark 1 10W 1 10W 1 10W 1 10W WE625 WE725 5 5 5 5 5 5 5 5 5 5 5 0 50 0 50 5 5 5 5 5 5 5 5 5 5 5 5 0 50 5 5 0 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W Ref No R579 R580 R581 R582 R583 R584 R585 R586 R587 R588 R601 R602 R603 R604 R605 R606 R607 R608 R609 R610 R613 R614 R615 R616 R617 R618 R619 R620 R622 R623 R624 R701 R702 R703 R704 R705 R706 R707 R708 R709 R710 R711 R
53. K 10K 5 6K 22K 100K 100K 1K 100 10K 10K 10K 10K 10K 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100K 100K 100K 100K 10K 20K 2 2K 62K 30K 15K To 10K 10K 10K 10K 27K 27K 27K 10 5 10 10 5 5 5 WE725 WE825S 5 WE725 WE825S 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 Remark 1 4W F 1 10W 1 4W F 1 4W F 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W Ref No R855 R861 R862 R863 R864 R865 R866 R867 R868 R869 R870 R871 R872 R873 R874 R875 R877 R878 R881 R882 R883 R884 R885 R885 R886 R891 R892 R893 R894 R895 R895 R896 RV101 RV102 RV201 RV202 RV601 X801 D901 D902 Part No 1 216 083 00 216 073 00 216 080 00 216 057 00 216 092 00 216 084 00 216 077 00 216 070
54. K A DECK B Procedure Forward Playback Mode test tape level meter 1 ogee set i LINE OUT Adjust RV11 L CH and RV21 so the level meter reading becomes the adjustment limits below Adjustment Value LINE OUT level 7 7 0 5 dB 0 301 to 0 338 Level difference between channels within 0 5 dB Confirm that the LINE OUT level does not change in playback mode while changing the mode from playback to stop several times Adjustment Location AUDIO board See page 11 Bias Consumption Current Adjustment This adjustment should be performed when replacing the head assy or the bias oscillator transformer T81 T91 Procedure digital blank tape voltmeter CS 413 set LINE IN no signal 1 Connect the digital voltmeter to test point TP81 2 Set RV81 L CH RV91 R CH to mechanical center 3 Set to FWD record mode 4 Adjust T81 L CH T91 R CH so that the digital voltmeter reading becomes minimum Adjustment Value Maximum 220 mV Adjustment Location AUDIO board See page 11 Record Bias Adjustment DECK A DECK B Setting REC LEVEL control standard record position See page 8 Procedure Record Mode AF OSC blank tape 10 CS 123 attenuator VESPA L 600 Q LINE IN 1 315 Hz 2 10 kHz 38 8 mV 26 dB 2 Playback Mode recorded portion level meter LINE OUT Confirm that the 10 kHz playback ou
55. MIN PITCH MAX TIMER Page 22 S960A PITCH CONTROL R903A 100k 9901 902 gg 9 LED MUN2111T1 SWITCH 5 4 LED ARL Page CD SYNC 21 LED SYNC FADER CD SYNCHRO SEL6210S TH10 AU D901 SEL6210S TH10 CD SYNCHRO E 29 SIRCS RECE I VER R904 100 NJLS6H400 1 901 C902 22000p 5936 937 DOLBY NR 5937 FLUORESCENT INDICATOR TUBE HH HH lt 4 gt JPLAYD 30 20 10 C901 tL 100 a lt lt _ al Mi gt at Jb m at REC AMS MUTING FRONT 0 PAUSE CLEAR 0 5918 5917 5916 5915 5914 5913 5912 5911 DECK DECK A R927 R926 R925 R924 R923 R922 R921 47k 6 Bk 3 9 2 7k 1 8k 1 2k e gt ws on o Sp BSL md 5928 5927 5926 5925 5924 5923 5922 5921 DECK A DECK B WEB25S 8937 R936 15k 47k WE825S START DECK BID RMS R946 R945 R944 R943 R942 098 15k 6 8k 3 9k 2 7k 1 8K HIGH 10 awa e Ent ms f DUBB1NG REC START 9 gt 5946 5945 5944 5943 5942 5941 DIRECTION 5953 AUTO CAL COUNTER B START II LILILILI REGA ca REC LT LILI LI JW90 1 WE725 WE825S R905 100k WE625
56. N AUDIO B BOARD LEAF SW B BOARD S81 STOP 82 Loe 2 METAL V 5 ERASE PROOF 584 R81 mE VO 59 MOTOR EE R82 ERASE PROOF 2 9 0 300 SIDE 588 ma SPEED HIGH 971 SPEED CONTROL AP R72 22k a RV72 10k R84 SPEED 27 gi 5 1k WE725 WE825S C PEED 5 a R O Q R85 5 4 5 2 ROTATION DET HRPE101 RECORD PLAYBACK ERASE HEAD CNP32 e SJ 7P R31 7 5V L CH PB GND R CH PB 7 5 REEL REEL iss Page 19 HIGH 7 5V MOTOR R24 C22 6 2 0 022 28 8 100 07 1C31 2 2 PCA570Q2 053 7 Q53 857 BIAS ON OFF lt 7 3 gt 25016225 2 8 3 051 lt 7 33 2501622 Yo Ise g C53 6800p 051 BIAS BIAS L CH REC GND R CH REC RELAY Page 19 2 6 95 100 630V 04 34 TC WE625 WE725 WE825S 5 17 SCHEMATIC DIAGRAM DOLBY S SECTION TC WE825S only 5 16 PRINTED WIRING BOARD DOLBY S SECTION TC WE825S only W 4 9000001 812 N _ Z ds nos 12 Lf 77070 022 9 29 82 10000001 612 8 40028 122 8 90022 5x2 0 xe 6 CY 0 5 m 918 E amp inooau
57. N001 1 573 047 11 TRANS A BOARD EXCEPT SP MY SUPPLIED WITH MAIN BOARD COMPLETE KK K K K K K K K K K lt CONNECTOR gt PIN CONNECTOR PC BOARD 2P E K KK KK K K K K K K K K K K K K K K C751 C752 C753 A T701 A T701 A T701 1 165 319 11 1 137 374 11 1 137 374 11 1 431 786 11 1 431 788 11 1 431 789 11 TRANS B BOARD SUPPLIED WITH MAIN BOARD COMPLETE KK K K K K K K K K K lt CAPACITOR gt CERAMIC CHIP 0 1uF 50V FILM 0 047uF 5 50V FILM 0 047uF 5 50V lt TRANSFORMER gt TRANSFORMER POWER AEP UK CH AUS TRANSFORMER POWER US CND TRANSFORMER POWER SP MY K KK K K K K KK K K K KK K K K K K K K K K The components identified by mark r dotted line with mark Aare critical for safety Replace only with part number specified Les composants identifi s par une marque Asont critiques pour la s curit Ne les remplacer que par une pi ce portant le num ro sp cifi TC WE625 WE725 WE825S Description Remark MISCELLANEOUS KOKK K K KK K K K K K K K K WIRE WIRE FLAT TYPE FLAT TYPE WIRE FLAT TYPE 7 CORE WIRE FLAT TYPE 9 CORE CORD POWER AEP SP MY 7 CORE WE625 9 CORE WE725 WE825S WE625 WE725 WE825S r ALA A CORD POWER UK CORD POWER US CND CORD POWER AUS CORD POWER CH WIRE FLAT TYPE 41 CORE MOTOR FLEXIBL
58. P METAL CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP 5 6K 2 7 4 7 4 7 7 5 12 8 2 8 2 2 7 5 6 100 100 22 22 12 12 13K 13K 13K 13K 7 5K 1 5 9 1 9 1 10K 2 2K 10K 2 2K 5 1 47 47 560 10 3 3K 4 7 6 8 1 5 10K 1 5K 4 7K 1K 6 8K 6 8K 1K 10K 2 7K 22K 10K 39K 12K 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 Remark 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W WE725 WE825S 5 1 10W WE725 WE825S 5 1 10W WE725 WE825S 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 0 5 5 1 4W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W MAIN Ref No A R720 R721 A R722 A R723 R801 R802 R803 R804 R806 R807 R808 R809 R810 R811 R812 R813 R814 R815 R816 R817 R818 R819 R820 R821 R822 R823 R824 R825 R826 R827 R828 R829 R830 R831 R832 R833 R834 R841 R842 R843 R844 R845 R846 R847 R848 R849 R850 R851 R852 R853 R854 Part No
59. SB709 RT1 UN2111 UN2211 MSB709 RT1 UN2111 UN2211 MSB709 RT1 MSD601 RST1 MSD601 RST1 UN2211 UN2211 UN2111 WE725 WE825S 2501387 2501387 UN2211 WE725 WE825S UN2111 WE725 WE825S MSB709 RT1 WE725 WE8255 25B1094 LK 2502012 Ref No Q703 Q704 0705 0706 0707 0708 0801 0802 R101 R102 R103 R104 R105 R106 R107 R108 R109 R110 R111 R112 R113 R114 R115 R116 R117 R118 R119 R120 R121 R122 R123 R124 R201 R202 R203 R204 R205 R206 R207 R208 R209 R210 R211 R212 R213 R214 R215 R216 R217 R218 R219 50 Part No 8 729 141 83 8 729 010 29 8 729 421 22 8 729 421 22 8 729 010 05 8 729 140 04 8 729 421 19 8 729 010 29 216 073 00 216 105 00 216 097 00 216 055 00 216 061 00 216 060 00 216 049 11 216 063 00 216 073 00 216 065 00 216 057 00 216 075 00 216 049 11 216 057 00 216 081 00 216 061 00 216 073 00 216 033 00 216 049 11 216 089 00 216 089 00 216 073 00 216 061 00 216 295 00 216 073 00 216 105 00 216 097 00 216 055 00 216 061 00 216 060 00 216 049 11 216 063 00 216 073 00 216 065 00 216 057 00 216 075 00 216 049 11 216 057 00 216 081 00 216 061 00 216 073 00 216 033 00
60. SOCKET CONNECTOR 7P WE625 SOCKET CONNECTOR 9P WE725 WE825S lt PHOTO REFLECTOR gt 8 749 924 10 PHOTO REFLECTOR NJL5165K B H1 8 749 924 10 PHOTO REFLECTOR NJL5165K B H1 WE725 WE825S Ref No X X R81 R82 R83 R84 R85 R86 581 582 583 584 585 586 C102 C103 C104 C106 C107 C108 C109 C110 C111 C112 C113 C114 C115 C116 C117 C121 Part No Description Hemark RESISTOR 1 249 414 11 CARBON 560 5 1 4W 1 247 818 11 CARBON 300 5 1 4W 1 247 834 11 CARBON 1 3K 5 1 4W 1 249 417 11 CARBON 1K 5 1 4W 1 249 408 11 CARBON 180 5 1 4W 1 249 408 11 CARBON 180 5 1 4W WE725 WE825S SWITCH 1 571 958 11 SWITCH PUSH 1 KEY STOP 1 571 281 21 SWITCH LEAF CrO2 1 571 281 21 SWITCH LEAF METAL 1 571 281 21 SWITCH LEAF ERASE PROOF SIDE 1 571 281 21 SWITCH LEAF ERASE PROOF SIDE B 1 571 281 21 SWITCH LEAF HALF ok R R A 2007 758 A MAIN BOARD COMPLETE WE725 A 2007 761 A MAIN BOARD COMPLETE WE625 US CND A 2007 762 A MAIN BOARD COMPLETE WE625 AUS A 2007 763 A MAIN BOARD COMPLETE WE625 SP MY A 2007 764 A MAIN BOARD COMPLETE WE625 CH A 2007 765 A MAIN BOARD COMPLETE WE825S AEP UK A 2007 802 A MAIN BOARD COMPLETE WE825S US INCLUDING FL BOARD HEADPHONE BOARD REC VOL BOARD SW A BOARD SW B BOARD SW C BOARD TRANS A BOARD TRANS BOARD ak ak ak ak KKK ak ok ak 2K ok CAPACITOR 1 126 961 11 ELECT 2 2uF 20 50V
61. SYNCLED CDSYNCHROLED driver L ON Kd I 9 0 m OO 19 20 21 22 23 24 5 27 28 29 31 32 33 05 23 36 37 05 OO Pitch control ON OFF output L ON n _LINEMUTE Line mute ON OFF contol out ETE MARON _ 39 40 41 42 43 44 45 OSC OSC frequency select output for auto calibration 0 OSC ON OFF OSC ON OFF select output for auto calibration 5 BIAS CAL 0 0 EQ bias CAL O output for auto calibration DECK B 12 No ON 5 0 output For ano calibration DECK B 55 BIAS CAL2 B O BO bias ouput for auto calibration DECKB _ 54 BIAS CAL3 B O EQ bias CAL 3 output for calibration DECKB _ 55 BIAS CALO A O EQ bias CAL ouput for auto calibration _ 56 BIASCAL 11a O CAL output for amo calibration DECKA _ 57 Bascala 0 FQ bias CAL 2 ouput for awo calibration DECKA _ BIASCALSU O EQ bias CAL 3 output for auto calibration DECK A _ 59 0 Capstan motor driver output DECK B H ON 6 0 Capstan motor driver output DECK A H ON CAP M H L Capstan motor high normal select output L ON 9 Fluorescom indicator tube
62. T 47uF 20 ELECT 100uF 20 ELECT 0 47uF 20 CERAMIC CHIP 0 0224 10 lt CONNECTOR gt Remark 6 3V 35V 10V 50V 25V PIN CONNECTOR PC BOARD 7P WE825S PIN CONNECTOR PC BOARD 7P WE825S CONNECTOR BOARD TO BOARD 10P CONNECTOR BOARD TO BOARD 10P CONNECTOR BOARD TO BOARD 10P CONNECTOR BOARD TO BOARD 10P PIN CONNECTOR 5P US CND PIN CONNECTOR 7P PIN CONNECTOR 3P PIN CONNECTOR 6P PIN CONNECTOR PC BOARD 7P SOCKET CONNECTOR 41P SOCKET CONNECTOR 7P WE625 SOCKET CONNECTOR WE725 WE8258 SOCKET CONNECTOR 7P WE625 SOCKET CONNECTOR WE725 WE8258 lt DIODE gt DIODE DIODE DIODE DIODE DIODE DTZ TT11 5 6A DTZ TT11 5 6A 155352 155352 155352 DIODE DIODE DIODE DIODE DIODE 155352 155352 WE725 WE825S 10 2 10 2 10 2 DIODE DIODE DIODE DIODE DIODE 10 2 155352 155352 10 2 155352 DIODE DIODE DIODE DIODE DIODE DTZ TT11 5 6A DTZ TT11 5 6A DTZ TT11 5 6A RD6 2M B1 155352 DIODE DIODE DIODE DIODE DIODE 155352 155352 DTZ6 8A 155352 155352 DIODE DIODE 155352 155352 Ref No 10501 10502 10504 10561 601 701 801 802 803 804 805 806 807 808 809 J401 J402 9501 LPF101 LPF201 Q101 Q102 Q201 Q202 Q401 Q451 Q452 Q453 Q461 Q462 Q463 Q501 Q502 Q503 Q601 0602 0603 0604 0605 0606 0607 0621 0701 0702 Part No 8 752 075 27
63. TC WE625 WE725 8255 SERVICE MANUAL US Model TC WE625 WE825S Canadian Model TC WE625 AEP Model UK Model TC WE725 WE825S E Model Australian Model Chinese Model Photo TC WE825S TC WE625 Dolby noise reduction extension manufactured under license Model Name Using Similar from Dolby Laboratories Licensing Corporation Mechanism TC WESOS WEG0SS WE705S HX Pro originated by Bang 8 Olufsen DOLBY the double D TC WE625 TCM 190RB12CL symbol DO and HX PRO are trademarks of Dolby Laboratories TC WE725 WE825S Licensing Corporation Tape Transport TCM 190RB13C Mechanism Type TC WE625 TCM 190RB12CL TC WE725 WE825S TCM 190RB11C SPECIFICATIONS System Recording system Harmonic distortion 4 track 2 channel stereo 0 4 with Type I tape Sony Type I NORMAL 160 nWb m 315 Hz 3rd H D Fast winding time approx 1 8 with Type IV tape Sony Type IV METAL 90 sec with Sony C 60 cassette 250 nWb m 315 Hz 3rd H D High speed fast winding time approx TC WE825S and TC WE725 Frequency response Dolby NR off only 45 sec with Sony C 60 cassette Tape type Bias Type I tape Sony Type I 30 16 000 Hz 3 dB IEC AC bias NORMAL 20 17 000 Hz 6 dB Signal to noise ratio at peak level and weighted with Dolby NR off Type II tape Sony Type II 30 17 000 Hz 3 dB IEC Type I tape Sony Type I NORMAL 55 dB HIGH 20 18 000 Hz 6 dB Type II tape Sony Type HIGH 57 dB Type IV tape
64. TPWH 2X23 MOTOR FLEXIBLE BOARD AUDIO A BOARD COMPLETE WE625 AUDIO A BOARD COMPLETE WE725 WE825S AUDIO B BOARD COMPLETE BELT FR SQUARE LEAF SW A BOARD DECK A LEAF SW A BOARD DECK A LEAF SW B BOARD DECK B LEAF SW B BOARD DECK B WE725 WE825S WE625 WE725 WE825S WE625 s n TABLE ASSY REEL WE625 TABLE ASSY B REEL WE725 WE825S DECK ASSY HEAD RECORD PLAYBACK ERASE MOTOR ASSY CAPSTAN MOTOR ASSY REEL 6 6 TAPE MECHANISM SECTION 2 DECKA DECK B WE625 TCM 190RB12CL TCM 190RB12CL WE725 TCM 190RB13C TCM 190RB11C 8255 TCM 190RB13C TCM 190RB11C Ref No 251 252 253 254 255 256 207 258 e 251 Part No 3 359 469 01 3 359 425 01 3 359 426 01 3 359 415 01 3 359 448 01 3 359 427 01 3 936 483 01 3 359 454 01 265 264 A 263 YO DA L 261 YAN 260 c Description Remark SPACER SLIDER REVERSE SLIDER LEVER REVERSE LEVER SLIDER TRIGGER SLIDER GEAR TRIGGER SLIDER REVERSE SLIDER GEAR CAM GEAR SPRING TORSION Ref No 259 260 261 262 263 264 265 266 43 Part No 3 359 429 01 3 359 456 01 X 3366 569 1 3 924 185 11 3 359 419 11 3 359 421 01 3 359 418 01 3359 415 1 Description Remark SLIDER BRAKE PLATE SPRING TRIGGER SPRING TORSION ARM ASSY FR SPRING FR ARM TORSION GEAR FR GEAR CLUTCH REEL DISC PULLEY FR PULLEY CH
65. VAN gt id O iii 5V REG OPER p i 432 MATE DIW SWITCH 9 i wE725 dE DUE eo 5 9 d papa 8255 s 3 8 s5 28 n o 1 oo EALA E 30V REG ___ 5191519 d 5151515 9 0802 els 93 Lo Ge AAL lt C EH i e III Sum J402 J 04 YY Y Y Y Page 20 Page 24 22 TC WE625 WE725 WE825S 5 7 SCHEMATIC DIAGRAM MAIN SECTION 4 4 1 2 3 4 5 6 1 8 9 10 11 12 13 14 15 16 17 Page 22 4 8 46 4 St Edd 27 U j j j C Ra i NR IN 4 ENGODEUBUT 71 Page LL ip 35 F J j gs nn EBD 7 5V Li 8 ENCODE OUT Page 2g Page 18 o 5 8 35 N 5 1 1 ial 50 50v bd 5 5 9 HEADPHONE BOARD 4 n ul E lt 220 J502 HEADPHONE CU lt 3 RE 7 6 AMP s amp lt 4 fT EN M ACTIVE P DECK AEQ 70 70 120 TN P DECK BEQ IV I I7I R115 22
66. oscope d d L CH 47 kQ Screen Pattern Jn phase 45 135 180 good wrong 4 Change the reverse playback mode and repeat the steps 1 to 3 5 After the adjustment lock the adjustment screws with suitable locking compound Adjustment Location record playback head forward side reverse side adjustment screws Tape Speed Adjustment DECK DECK Procedure Forward Playback Mode test tape WS 48B 3 kHz 0 dB ez frequency counter LINE OUT High speed adjustment 1 Set to test mode Refer to page 8 2 Set to FWD playback mode 3 Twice pressing the HIGH NORMAL switch 4 Adjust RV72 so that the frequency counter reading becomes 6 000 20 Hz 5 Release test mode after adjustment is completed Normal speed adjustment 1 Set to FWD playback mode 2 Adjust RV71 so that the frequency counter reading becomes 3 000 10 Hz Pitch control adjustment TC WE725 WE825S only Push the PITCH CONTROL switch 2 Set RV902 to mechanical center 3 Setto FWD playback mode 4 Adjust RV601 so that the frequency counter reading becomes 3 000 10 Hz Frequency difference between the beginning and the end of the tape should be within 3 Frequency difference between the deck A and deck B the beginning of the tape should be within 1 5 Adjustment Location AUDIO board MAIN board See page 11 Playback Level Adjustment DEC
67. re in and 4 W or less unless otherwise REC DECK B specified lt lt gt gt STOP Indicates tolerance Impossible to measure Internal component Voltages are taken with a VOM Input impedance 10 MQ fusible resistor Voltage variations may be noted due to normal production panel designation tolerances Signal path Note Note ms gt gt components identi Les composants identifi s par Y REC DECK A fied by mark A or dotted une marque A sont critiques gt PB DECK B line with mark A are criti pour la s curit DECK B cal for safety Ne les remplacer que par une Abbreviation Replace only with part pi ce portant le num ro CND Canadian model number specified sp cifi AUS Australian model Line SP Singapore model B Line MY Malaysia model adjustment for repair CH Chinese model Voltage is dc with respect to ground under no signal detuned condition TC WE625 WE725 WE825S 5 3 PRINTED WIRING BOARDS MAIN SECTION MAIN BOARD S LINK CONTROL HEADPHONE BOARD R202 09 pan a o do a PE W gt 701 87985429 P NS 30 602 S 7170681 S x I gt ch n w Qo 202 4 R705 gany NO aff 5 5 BER7117670 lt R5 227 9 R101 JW23
68. ries and packing materials and hardware mark list are given in the last of this parts list The components identified by mark dotted line with mark critical for safety Replace only with part number specified Les composants identifi s par une marque Asont critiques pour la s curit Ne les remplacer que par une pi ce portant le num ro sp cifi 98 3 3 p lt Q gt e 2 Ref Part No Description Remark Ref No Part No 1 3 021 228 01 PANEL BACK WE625 US 2 3 935 634 01 1 3 021 228 11 PANEL BACK WE625 CND 3 3 363 099 01 1 3 021 228 21 PANEL BACK WE625 AUS 4 3 703 244 00 4 3 021 228 31 PANEL BACK WE625 SP MY 4 3 703 571 11 1 3 021 228 41 PANEL BACK WE625 CH 5 4 956 370 12 1 3 021 242 01 PANEL BACK WE725 AEP A S701 1 692 155 11 1 3 021 242 11 PANEL BACK WE725 UK 3 021 243 01 PANEL BACK WE825S AEP 1 3 021 243 11 PANEL BACK WE825S UK 1 3 021 243 32 PANEL BACK WE825S US Remark Description CASE 410726 SCREW CASE 3 TP2 BUSHING 2104 CORD EXCEPT US CND BUSHING 5 4516 CORD US CND BAND PLUG FIXED UK AUS SELECTOR POWER VOLTAGE VOLTAGE SP MY 6 2 CHASSIS SECTION 97 61 59 lt L 58 P 57 is a except SP p y SS 51 s ken including a h T701 gt lt Bc 3 not supplied 55 55
69. t METAL CHIP 120K 5 1 10W RES CHIP 100 5 1 10W RES CHIP 130K 5 1 10W METAL CHIP 6 2K 5 1 10W METAL CHIP 120K 5 1 10W RES CHIP 100 5 1 10W RES CHIP 130K 5 1 10W METAL CHIP 6 2K 5 1 10W METAL CHIP 220 5 1 10W METAL CHIP 220 5 1 10W RES CHIP 4 7K 5 1 10W RES CHIP 100K 5 1 10W RES CHIP 100K 5 1 10W METAL CHIP 10K 5 1 10W METAL CHIP 5 6 5 1 10W Ref No R55 R57 R71 R72 R73 R74 R81 R82 R83 R84 R85 R91 R92 R93 R94 R95 RV11 RV21 RV71 RV72 RV81 RV91 RY31 151 181 191 TP81 C11 C12 C13 C18 C21 C22 C23 C28 C31 C32 C33 Part No lI cl I Te K K KK K K K K KK 216 309 00 216 298 00 216 082 00 216 081 00 216 089 00 216 089 00 216 073 00 216 085 00 216 001 00 216 10 1 00 216 075 00 216 073 00 216 085 00 216 001 00 216 101 00 216 075 00 241 761 11 241 761 11 241 764 11 241 764 11 241 786 11 241 786 11 515 913 11 406 417 11 433 381 11 433 381 11 568 449 11 Description Remark METAL CHIP 5 6 5 1 10W METAL CHIP 2 2 5 1 10W RES CHIP 24K 5 1 10W METAL CHIP 22K 5 1 10W RES CHIP 47K 5 1 10W RES CHIP 47K 5 1 10W METAL CHIP 10K 5 1 10W METAL CHIP 33K 5 1 10W METAL CHIP 10 5 1 10W METAL CHIP 150K 5 1 10W METAL CHIP 12K 5 1 10W METAL CHIP 10K 5 1 10W METAL CHIP 33K 5
70. tput is 0 0 5 dB relative to the 315 Hz output If necessary adjust RV81 L CH RV91 R CH and repeat the steps given above Adjustment Location AUDIO board See page 11 Record Level Adjustment DECK DECK B Setting REC LEVEL control standard record position See page 8 Procedure 1 Record Mode AF OSC 10 attenuator MA O O O D 9p 600 Q LINE IN 315 Hz 38 8 mV 26 aB blank tape CS 123 2 Playback Mode recorded portion level meter LINE OUT Confirm playback the tape recorded become adjustment level as follows If necessary adjust Deck A RV102 L CH RV202 R CH and Deck B RV101 L CH RV201 R CH and repeat the steps 1 and 2 Adjustment Value LINE OUT level 26 0 5 dB 36 7 to 41 1 mV Adjustment Location MAIN board See page 11 10 Adjustment Location audio board component side RECORD BIAS ADJ mm RV91 RV81 L O 5 LOC BIA CONSUMPTION 181 L me CURRENT ADJ T91 RV72 HIGH TAPE SPEED ADJ RV71 NORMAL RV21 PLAYBACK LEVEL RV11 L ADJ main board component side RECORD LEVEL ADJ RECORD LEVEL ADJ DECK B A RV101 RV201 L A RV202 RV102 R L RV601 1 TAPE SPEED ADJ PITCH CONTROL e SECTION 5 DIAGRAMS 5 1 IC PIN DESCRIPTION 801 CXP824
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