SERVICE MANUAL US'Mode/
Contents
1.2. Lb lo AMS AMP METER AMP 19 w r ed 9527 R326 8 I TRANSFORMER 1 R I a R330 15018 9523 R522 R521 9 18519 X 27k N B SENE R130 REC EQ SWITCH i s MAIN BOARD RVIO2 302 du ON sassa 197474 UK MODEL a 9TC143TS 9TC143TS 87214315 RC4558P DOLBY BAL m v TOTIS Eee gt T nr 5 1 58 7 gt 0104 304 14 4 DISPLAY B BOARD 1 2 5522 s REC MUTING 214 OARD 8 M pe 01 z ds _ I gt Lo POWER RV502 I 4 4 VOLT REG TRANSFORMER I BALANCE ud MET 502 NPX 1 ae CXA1330S 503 20 10 0 4 8 8 DOLBY S io 1198AP HH HH L RN sma i B R
3. CNIOOI 51006 51007 HALF METAL CNI002 711002 o parts extracted from the component side 9 indicates side identified with part number 51008 51009 7045 REV rmm METAL TYPE TYPET 02 NORMAL T 9 T DOLBY BAL BOARD LEVEL BOARD finoica TOR lO 2 MICRO PHONE RIGHT 13 4 HEADPHONES s 6 MIC HEADPHONES BOARD SCNI092 21 22 28 29 3 TR ABOARD CNJ7OI BLU WHT ud POWER BOARD ios PT IO POWER TRANSFORMER AC IN US Canadian MODEL wm ACIN MODEL SW BOARD l I 1 4 4 4 SCHEMATIC DIAGRAM 1 _ 2 3 4 225 6 7 8 9 10 11 12 13 4 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 JACK BOARD CNP501 ngao DRIP Ce 9 2 e e c RC4588P eibi POWER ND80 BAZP O e 6 o
4. s o Note Note REV 051 The components identi Les composants identifi s par IC801 Pin Voltages 0824 sione 1 mt fied by mark A or dot une marque N sont critiques PEED ttt l l 9 BB ELE L CNI052 M MMN amp F2RABZ ted line with mark pour la s curit CONTROL ie 5 ASIST e V V 70 are critical for safety Ne les remplacer que par une M i Ao x Replace only with part pi ce portant le num ro sp ci 5 Hl 57 1052 C1051 number specified fi 1 0 5 1 0825 828 opp oaa ug d 1053 0 1 0 5 1 REC LEVEL voL MOTOR epe t N LUE Paz tl 0805 0809 3 H CAPSTAN 5 5 1 1 PAUSE 0 51 BOARD 1 2 45 282503 1902605 PI gt MOTOR B Line 14 n E DTAITSES 0 2 RESET 2 z 1051 CLOSE 5 1 E LED DRIVE FADER 4 10801 R1051 MMN SF 2RABZ 5 0 0 2 FADER ON 0 6 4 22 CASET DOOR OPEN 5 1 fan ARD T 12501 MOTOR M50963 225SP b adjustment for repair 0 FADER ON 0 lt 5 1 gt ig SYSTEM CONTROL al s I 6 25228 25228 L i x 5 1 AUTO PAUSE ON 0 TIMER REC lt 0 i H H da ROTATION DET ROTATION DET ei age wavetorms dc with respect to groun
5. Ref No Part No Description Ref No Part No Description 901 A 2006 236 A AEP MOUNTED PCB PANEL 254 1 124 438 00 ELECT 1 20 50V A 2006 265 A US Canadian UK MOUNTED PCB PANEL C301 1 123 875 11 ELECT 10 20 50V including 302 1 162 294 31 CERAMIC 0 001MF 10 50V 902 2006 234 AEP UK MOUNTED PCB MAIN C303 1 161 375 00 CERAMIC 0 0022MF 20 16V A 2006 235 A US Canadian MOUNTED PCB MAIN C304 1 130 475 00 MYLAR 0 0022MF 5 50V including A C C305 1 130 475 00 MYLAR 0 0022MF 5 50V 903 1 632 740 11 PC BOARD MD 0306 1 136 174 00 FILM 0 56MF 5 50V 904 1 632 741 11 PC BOARD REAL MOTOR C307 1 136 171 00 FILM 0 33MF 5 50V 905 1 634 323 11 PC BOARD TRANSLATION C308 1 123 875 11 ELECT 20 50V 906 1 575 628 11 WIRE FLAT TYPE 27 CORE C309 1 124 927 11 ELECT 4 7MF 20 50V 907 A 1 551 506 XX US Canadian CORD POWER C310 1 124 902 00 ELECT 0 47MF 20 50 A 1 555 795 00 CORD POWER C311 1 123 875 11 ELECT 10MF 20 50 A 1 556 035 00 UK CORD POWER C312 1 123 875 11 ELECT 20 101 1 103 875 11 ELECT 10 20 50V C313 1 162 285 31 CERAMIC 180PF 10 50 C102 1 162 294 31 CERAMIC 0 001 10 50 C314 1 136 935 11 FILM 22 5 630V C103 1 161 375 00 CERAMIC 0 0022 20 16V C315 1 162 294 31 CERAMIC 0 001 10 50V C104 1 130 475 00 MYLAR 0 0022 5 50V C316 1 162 282 31 CERAMIC 10 50V C105 1 130 4
6. SHAFT LEFT oS Q TENSION SPRING CASSETTE HOLDER STOPPER WASHER ORNAMENTAL PLATE Push LEVER LIFTER in the direction of arrow and remove ORNAMENTAL PLATE 26 6 Removal of HEAD S R Q LEVER FR BS FA ON SS Pp WASHER Release WIN B Release 2 claw SLA LEVER PINCH R LEVER PINCH F 5 MOTOR PULLEY Turn MOTOR PULLEY by a finger in the direction of arrow and confirm that HEAD has turned in the direction of arrow 2 x Z 2 urn SPACER Hook BELT here temporarily when reassembling LA Tn PTPWH2 x 25 N N CAPSTAN MOTOR BRACKET THRUST BTP2 x 18 RETAINER R 515 0 BVTP2 6 8 REEL and ASSIST MOTORS BTP2 18 Align BOSS of MODE CAM to the point when reassembling B2 6 x6 SN SELECTION LEVER MODE CAM Align the line on MODE CAM to the tip of SELECTION LEVER Hook BELT here temporarily when reassembling NS Q ASSIST MOTOR SPACER MOTOR BRACKET MOTOR R REEL MOTOR ASSY Q REEL MOTOR BOARD 6 SECTION 3 ADJUSTMENTS 3 1 MECHANICAL ADJUSTMENTS PRECAUTION 1 Clean the following parts with a denatured alcohol moistened swab record playback head erase head pinch roller rubber belts capstan idler 2 Demagnetize the record playback head with a head de
7. 124 1 136 161 00 FILM 0 047MF 5 50V C505 1 123 875 11 ELECT 10MF 20 50 125 1 136 272 00 FILM 68 5 630V C506 1 123 875 11 ELECT 10 20 50V 126 1 130 468 00 MYLAR 560PF 5 50V C507 1 124 443 00 ELECT 100MF 20 10 127 1 136 433 11 FILM 100 5 630V 508 1 124 443 00 ELECT 100 20 10V C251 1 124 791 11 ELECT 1 20 50V C509 1 162 217 31 CERAMIC 56PF 5 50 252 1 162 292 31 CERAMIC 680PF 10 50V C510 1 161 494 00 CERAMIC 0 022 25 C253 1 162 282 31 CERAMIC 100PF 10 50V C512 1 162 217 31 CERAMIC 56PF 5 50 513 1 124 925 11 ELECT 2 2 20 50V C514 1 124 443 00 ELECT 100MF 20 10V 2975 TC RX70 RX70ES Ref No Part No Description Ref No Part No Description C515 1 124 443 00 ELECT 100MF 20 10 824 1 161 377 00 CERAMIC 0 0047MF 30 16 516 1 124 902 00 ELECT 0 47MF 20 50 C825 1 124 477 11 ELECT 47 20 16 C517 1 126 101 11 ELECT 100MF 20 16V C826 1 124 927 11 ELECT 4 7MF 20 50V C518 1 126 101 11 ELECT 100MF 20 16 C901 1 124 443 00 ELECT 100MF 20 10 C519 1 124 902 00 ELECT 0 47MF 20 50 C902 1 161 494 00 CERAMIC 0 022MF 25 C520 1 124 477 11 ELECT 47 20 1 C903 1 126 157 11 ELECT 10MF 20 16 C521 1 124 477 11 ELECT 47NF 20 16 C904 1 124 446 11 ELECT 47 20 10 C522 1 136 230 00 FILM 0 0022MF 5 100V C905 1 124 446 11 ELECT 47 20 10V C523 1 136 230 00 FILM 0 0022MF 5 1001 C906 1 164 159 11 CERAMIC 0 1 50V C524 1 130 856 00 FILM 0 0068MF
8. 13305 0508 8 729 900 80 TRANSISTOR DTC114ES 1 503 8 752 038 02 1198 0510 8 729 194 57 TRANSISTOR 25 945 1l 8 729 194 57 TRANSISTOR 2SC945 P 1C504 8 759 106 56 UPC1297CA 10505 8 759 945 58 IC RC4558P 0701 8 729 900 80 TRANSISTOR DTC114ES 10506 8 759 945 58 RC4558P 0702 8 729 920 97 TRANSISTOR 25 1187 0703 8 729 920 98 TRANSISTOR 2501761 Note or dot fi une marque pour la s curit Ne les remplacer que par une pi ce portant le num ro sp ci composants identifi s par sont critiques TC RX70 RX70ES Ref No 0704 0705 0706 0707 0708 0709 0710 0801 0802 0803 0804 0805 0806 0807 0808 0809 0810 0811 0812 0813 0814 0815 0816 0817 0818 0819 0820 0821 0822 0823 0824 0825 0826 0827 0828 0829 0830 0831 0901 0902 0903 0904 0905 0906 R101 R102 R103 R104 R105 R106 R107 R108 R109 R110 R111 R112 Part No 8 729 620 05 8 729 920 97 8 729 821 04 8 729 140 04 8 729 900 61 8 729 900 80 8 729 900 65 8 729 900 61 8 729 900 61 8 729 900 61 8 729 900 61 8 729 900 61 8 729 900 61 8 729 900 61 8 729 620 05 8 729 620 05 8 729 900 61 8 729 900 61 8 729 900 61 8 729 900 61 8 729 900 61 8 729 900 61 8 729 900 80 8 729 821 04 8 729 900 80 8 729 821 04 8 729 900 80 8 729 620 05 8 729 900 61 8 729 620 05 8 729 801 93 8 729 801 84 8 729 801 84 8 729 801 93
9. R316 8917 5905 rT BIAS mE MOTOR SWITCH 25 1000 2 7 5 9 CONSUMPTION 504 7 5 R907 100x 5 5906 EMI rR lt N 2 2 POWER OFF AEP 803 a ai 8x P 7 i 7 8903 US1060H 8 8 8 seb 320r E s s Hx PRO D ONES WAY US Canadian BAG 2198 5908 120 R908 100 58 XT W 160Vp p 27 E ERI P VREF CYCLE MODEL eR M E B 2 BUS FL DOLBY MONE mM s I k s9o9 4 46 55860 M e j 56 te VOL SPEE S PULSE Biol Seol BA Bis 5910 PE m Bi Que en a 5911 m 47 250 lt VOL LED T PULSE OR m 841317 Fre ERR ESS 3911 5912 BAS SW ar Ei 8638 10 6802 TORQUE SWITCH Rr o o 820 SAF LEB COUNTER 00 t i eee 1 57 d 39k 0812 815 folo B9 ess 7 3 MA I 03 T R857 5 5 OL UP 518 SHAPER TAPE TYPE 1 1 22 11 14 1 5 ROSE si go mee S S s NI P I 1009 30 sama 808 1000 SWITCH SELECT 5 1 49 7 5 EE 13k s Ik 88 49 39 g SG BTCll4ES V q 5 I IC651 VOL DOWN LINE HUTE Di armar SWITCH JE J 22222288 SHE HEADPHONES TPSO N ES A D IN VOL REG MUTE RB49 220 ES 2 MEMORY g a oct verum
10. GEAR LOADING CAM GEAR LOADING SPRING COMPRESSION WASHER STOPPER ROLLER LOADING LEVER LOADING ASSY SLIDER REVERSE CHASSIS R2 COMPLETE ASSY SPRING TENSION PC BOARD MD PC BOARD REEL MOTOR PC BOARD HEAD TRANSLATION PHOTO REFLECTOR GP2S22B PHOTO REFLECTOR GP2S22B MOTOR REEL R ASSY MOTOR ASSIST ASSY MOTOR 5 R2 ASSY ENCODER ROTARY TC RX70 RX70ES SECTION 5 ELECTRICAL PARTS LIST NOTE 9 Due to standardization replacements the parts CAPACITORS The components identified by list may be different from the parts specified in MF uF PF mark or dotted line with mark the diagrams or the components used on the set RESISTORS are critical for safety e items marked are not stocked since they are seldom required for routine service Some All resistors are in ohms F nonflammable eplace only with part number specified delay should be anticipated when ordering these COILS Les composants identifi s par une items MMH mH UH uH marque sont critiques pour la E s curit e if there are two or more same circuits in a set SEMICONDUCTORS Ne les rempiscer que par une such as a stereophonic machine only typical circuit parts may be indicated and capacitors and each case for example UA UPA pi ce portant le num ro sp cifi resistors in other same circuits may be omitted UPC uPC UPD uPD
11. Les composants identifi s par fied by mark or dot une marque sont critiques ted line with mark pour la s curit are critical for safety Ne les remplacer que par une Replace only with part pi ce portant le num ro sp ci number specified fi No Part No Description Remarks No Part No Description Remarks 51 7 682 548 04 SCREW BVTT 3X8 S 902 A 2006 234 A AEP UK MOUNTED PCB MAIN 52 X 3304 938 2 FOOT ASSY A 2006 235 A US Canadian MOUNTED MAIN 53 7 682 548 09 SCREW BVTT 3X8 5 including A C 54 7 682 547 09 SCREW BVTT 3X6 S 907 1 551 506 XX US Canadian CORD POWER 55 3 332 563 01 BRACKET P 1 555 795 00 AFP CORD POWER 56 3 669 610 00 SPACER A 1 556 035 00 UK CORD POWER 57 3 346 265 11 HOLDER PC BOARD 58 3 337 136 11 COVER TRANSFORMER SAFETY CN804 1 558 350 31 US Canadian CORD WITH SIRCS 59 3 350 843 11 US Canadian PANEL BACK 803 8 759 973 65 BA6219B 3 350 843 41 AEP PANEL BACK 3 350 843 51 UK PANEL BACK PT101A 1 450 018 11 US Canadian TRANSFORMER POWER PT101A 1 450 019 11 AEP UK TRANSFORMER POWER 60 3 703 244 00 AEP UK BUSHING 2104 CORD 3 703 571 11 US Canadian BUSHING S 4516 CORD 61 7 621 849 00 SCREW TAPPING 62 7 682 547 04 SCREW BVTT 3X6 S 63 4 923 836 11 CUSHION 64 3 831 441 CUSHION B CABINET 24 5 3 MECHA
12. US Model Canadian Model UK Model TC 70 5 AEP Model TC RXTO Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation DOLBY and the double D symbol are trademarks of Dolby Laboratories Licensing Corporation Model Name Using Similar Mechanism Tape Transport Mechanism Type 20002 Line outputs phono jacks Output level of 0 44 V 5 dB at a load impedance of 47k ohms Load impedance of over 10k ohms Headphones output stereo phone jack Output level of 28 dB at a load impedance of 8 ohms SPECIFICATIONS Recording system 4 track 2 stereo Outputs Fast winding Approx 90 sec with C 60 cassette Bias AC Bias Signal to noise ratio NAB at peak level a E cy ON ON Type IV Sony METAL ES 59 dB 67 dB 74 dB Type Sony 5 6448 71 RX70 220 V AC 50 60Hz AEP model Power consumption Total harmonic distortion 23 W 1 0 with Sony METAL ES cassettes Dimensions Approx 430 x 123 x 285 mm wlhid Frequency response 17 x 474 x 111 inches General Power requirements 120 V AC 60Hz US Canadian models 240 V AC 50Hz UK model DOLBY NR OFF With Type IV cassette Sony METAL ES RX7OES 20 20 000 Hz 3 dB RX70 25 19 000 Hz 3 dB 30 15 000 Hz 3 dB OVU recording With Type I cassette Sony UX S 25 17 000 Hz 3 dB 15 18 000 Hz
13. e 4 QUICK REY 9 2 5 l d 1 P T T 1 e IC902 i T 45 4 SBx1610 59 T 148 e s SEE i Fo REMOTE I 5 5 TES 77 ar MOTOR TORQUE SWITCH 5 1 CONTROL 8 52 l 0802 a CNP901 Bade 0908 0911 5 C327 ailes 4 67 ELANI CIEWD TAPE TYPE Seis ju s 6 1 0 5 1 0 9 0816 K lt xo e gt NORMAL HEADPHONES N SELECT 5 fs nw HH ater BlAS _ 16V 16V 0906 0909 D912 l OSC PLAY LE ote ematic Diagram F 1 e e All capacitors are in uF unless otherwise noted pF s REC ur m 5 o 0810 21 j AD METAL J XU SOWV less not indicated except for electrolytics dido W 3 4 ae LDE HISSAPL E and tantalums 22 m i Bm SIRCS W TYPE 11 i i oS Q816 817 YA All resistors in 2 and W or less unless otherwise L j AEN 5 806 805 SIRCS E ASIST MOTOR 1C804 specified u TORQUE A TO MAIN BOARD 1 NORM 14SHA er li S27 SWITCH e internal component M SA 25450952 4558 NP ASIST MOTOR tr e fusible resistor f PEED LEVEL DET D idis 0 NO803 DAIOP NO804 ASP 1
14. Adjustment Limits LINE OUT level 5 0 5dB 0 41 0 46V Level difference between channels less than 0 5dB Check that the LINE OUT level does not change even if Playback and Stop operation is repeated several times Adjustment Location Main board Bias Current Adjustment Procedure LINE IN mo signal CS 122 blank tape digital voltmeter B 7 5V 1 Set RV103 and RV303 to mechanical center and turn the set recording mode Connect digital voltmeter as shown by the following table Adjust the following transformers for the minimum readings on the digital voltmeter Mesurement Point Adjustment Part D and 501 T101 mot more than 80m and T301 Adjustment Location Main board Record Bias Adjustment Setting REC LEVEL control Standard Record See page 7 test pin TP801 short Procedure 1 Mode record AF OSC CS 122 10k Q blank tape T attenuator ooo LINE IN 1 315Hz V 2 10kHz 24 5mV 30dB 2 Mode playback recorded portion LINE OUT Playback the signal recorded in step 1 Confirm that the 10kHz playback output is 0 0 5dB relative to the 315Hz output If necessary adjust RV103 L ch and RV303 R ch for repeat the steps given above Adjustment Location Main board Record Level Adjustment Setting REC LEVEL control Standard Record See page 7 test pin TP801 short Procedure 1 Mode r
15. sz Q 9 9 7 ID i 51001 WA under no signal conditions on REC PROTECTED 5 1 REV SIDE LO gl 53 1 5 IC1001 1002 01051 88 E d no mark STOP MODE I NORMAL TAPE N ae POWER OFF 0 4 ie ud PROTECTED O FWD SIDE INDICATOR l H sib sw bs d 575767570 L 2 INCLUDED IN ORNAMENTAL PLATE 0 PLAY MODE II CrO2 TAPE PROTECT CLAW EXISTS 0 1 EN Mg tox gs DENIM 0 T S VOL POSITION RU TTE NTC QU RUN m ee NY lt gt _ M MRTAL TAPE 51 5 1 REC PROTECT CLAW REMOVED 5 1 0 5 1 E DN ep x _ SW BOARD 8 Quer MODE 2 2 3 L 1 0 5 0 01 5 1 seesaw ES o m 1 2 ws ay 4 ipei FIT HH MD BOARD 2 4 1 0 5 l DOLBY OFF 0 2 tree ERN z 4 e Voltages taken with a VOM impedance 10 Q O 5 1 2 5 0 jr c 5 _ La nm i a a L tof tot totd J lt gt Ne Voltage variations may be noted due to normal produc 5 1 0 3 0 ee 5 2s lg U 282 5 1g 85 n 22 1 ow m zm tion tolerances 5 1 51 0 EN i f gt 5 Sx 820 TP802 wo 87 87187 revers POWER OFF 0 4 N usideon 0850 2 560 i e Signal path 5 1 0 0 2802608 2902602 5 faves eo IN 2 SWITCH HEAD TRAN
16. 26 6 ELECTRICAL PARTS LIST 27 MODEL IDENTIFICATION Specification Label TC RX70 TC RX7OES SONY STEREO CASSETTE DECK 2222222222222 MODEL NO SERIAL NO MADE IN JAPAN US Canadian Models UK Model AEP Model AC 120V 60Hz 23W 240V 50 60Hz AC 220 U 50 60Hz SAFETY CHECK OUT After correcting the original service problem perform the following 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 l A commercial leakage tester such as the Simpson 229 or RCA WT S40A Follow the manufacturers instructions to use these instru ments 2 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 a VOM or battery operated AC volt meter limit indication is 0 75 V so analog meters must have an accurate low voltage scale The Simpson 250 and Sanwa SH 63Trd are examples of a passive VOM that is suitable Nearly all batter
17. 4 3 703 450 01 US INSTRUCTION S908 1 554 303 21 SWITCH KEY BOARD REC MUTE 3 751 465 11 AEP MANUAL INSTRUCTION S909 1 554 303 21 SWITCH KEY BOARD PAUSE 3 751 465 21 US Canadian MANUAL INSTRUCTION S910 1 554 303 21 SWITCH KEY BOARD DISPLAY MODE 3 751 465 31 Canadian MANUAL INSTRUCTION 3 751 465 41 AEP Canadian MANUAL INSTRUCTION 5911 1 554 303 21 SWITCH KEY BOARD AUTO REC LEVEL S912 1 554 303 21 SWITCH KEY BOARD FADER S913 1 554 303 21 SWITCH KEY BOARD COUNTER RESET S914 1 554 303 21 SWITCH KEY BOARD COUNTER MEMORY 51001 1 466 237 11 ENCODER ROTARY 51002 1 570 953 11 SWITCH PUSH 1 KEY DOOR 51003 1 571 958 11 SWITCH PUSH 1 KEY CLOSE 51004 1 572 126 11 SWITCH PUSH 1 KEY OPEN 51005 1 572 125 11 SWITCH LEAF FWD 51006 1 572 202 11 SWITCH LEAF HALF 51007 1 572 125 11 SWITCH LEAF METAL 51008 1 572 125 11 SWITCH LEAF 7005 51009 1 572 125 11 SWITCH LEAF REV Sac ic a TC RX70 RX70ES English 90E1690 1 Sony Corporation Printed Japan 9 955 655 11 Audio Group 1990 5 3 4 Published by Customer Relations and Service Group SONY SERVICE MANUAL TC RX70 RX70ES 1 Correct your service manual shown below additional part page 23 9 955 655 91 26 i 5 including 2 lt lt 901 6 1 3 2 Supplied with RV Ref No Part No Descripti
18. 5 100V C907 1 164 159 11 CERAMIC 0 1 50V C525 1 161 494 00 CERAMIC 0 022MF 25 908 1 123 875 11 ELECT 10MF 20 50 C526 1 123 875 11 ELECT 10MF 20 50V C909 1 162 294 31 CERAMIC 0 001MF 105 50 C527 1 136 558 11 FILM 0 0039MF 54 630V 1051 1 123 875 11 ELECT 10MF 20 50 C528 1 107 046 00 MICA 4 7 0 5 500V 1052 1 123 875 11 ELECT 10MF 205 50V C529 1 124 791 11 ELECT IMF 20 50 1053 1 164 159 11 CERAMIC 0 1 50V C530 1 124 902 00 ELECT 0 47MF 20 50V CN804 1 558 350 31 US Canadian CORD WITH CONNECTOR C651 1 123 875 11 ELECT 10MF 20 50V SIRCS C652 1 123 875 11 ELECT 10MF 20 50V 1001 1 506 615 11 PIN CONNECTOR 9P CN100241 564 502 11 PIN CONNECTOR 10 C653 1 124 443 00 ELECT 100MF 20 10 C654 1 124 443 00 ELECT 100MF 20 10 CN105141 564 499 11 PIN CONNECTOR 6P C655 1 162 294 31 CERAMIC 0 001MF 105 50 CN1082 1 564 718 11 PIN CONNECTOR SMALL TYPE 2P CN105341 564 718 11 PIN CONNECTOR SMALL TYPE 2P C701 1 164 159 11 CERAMIC 0 1 50V C702 1 164 159 11 CERAMIC 50V 1091 1 564 709 11 PIN CONNECTOR SMALL TYPE 7P C703 1 124 898 11 ELECT 4700MF 20 16 1092 1 564 509 11 PLUG CONNECTOR 6P 1093 1 564 705 11 PIN CONNECTOR SMALL TYPE C704 1 124 898 11 ELECT 4700MF 20 16V CN1094 1 564 506 11 PLUG CONNECTOR 705 1 123 875 11 ELECT 10MF 20 50V 6706 1 124 477 11 ELECT 47 20 1 CNP501 1 564 337 00 CONNECTOR 3P CNP502 1 564 705 11 PIN C
19. before turning the power on Record Playback Head Azimuth Adjustment Procedure 1 Mode FWD playback Test tape P 4 A100 10 10dB VTVM 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 148 L CH peak R CH peak Screw position 3 Phase Check Mode playback test tape P 4 A100 10kHz 10dB oscilloscope L CH 47k Q LINE OUT Screen pattern in phase 45 909 1859 180 wrong good 4 Set in the REV mode and repeat the step 1 3 5 After the adjustment lock the screws with locking compound Adjustment Location Record Playback head FWD REV Nena Adjustment screw Tape Speed Adjustment Setting test pin TP801 short Procedure Mode playback test tape WS 48B 3kHz 0dB frequency counter pS 1 Set to FWD playback mode 2 Adjust motor rear side variable resistor so that the frequency counter reading becomes 3 000 15Hz Frequency difference between FWD and REV modes should be within 596 Adjustment Location motor rear side variable resister Playback Level Adjustment Procedure Mode playback test tape P 4 L300 315kHz OdB VTVM LINE OUT Adjust RV101 L ch and RV301 R ch so that the reading on VTVM meets the adjustment limits below
20. i t i i 1 H H _ GN GOD O Q NO 0OOgOOoUUm gmo 1 4 i PO PO Nh C OQ 5 0 I C IQ S I P dS OQ SIS ISIN IO RO 4 1 4 4 1 t f O O m Tt T Tt Tt C i t 4 1 1 1 1 1 i i f O caca 1 OTITIIIITY 0 1 1 1 QoOUOOOOGOOrnmTmmomocommmmmocoo T t Nn 1 t 1 i t 1 i N La N A 1 t Ww CO CO mo BR 3WOWOWON Q l t 4 3 PRINTED WIRING BOARDS page 11 for Semiconductor Lead Layouts 2 3 4 KHEAD TRANSLATION BOARD 1 A 5 See page 12 for Circuit Boards Location NEC 1001 01091 Q1091 de Note on Mounting Diagram ergs RA RECORD PLAYBACK ERASE HEAD 1 i 1 l I I 1
21. 017 11 RES ADJ CARBON 22K BIAS L CH T501 1 433 336 11 TRANSFORMER BIAS OSCILLATION RV301 1 238 016 11 RES ADJ CARBON 10K PB LEVEL R CH 1001 1 569 066 11 PIN CONNECTOR 5P RV302 1 238 016 11 RES ADJ CARBON 10K REC LEVEL R CH RV303 1 238 017 11 RES ADJ CARBON 22K BIAS R CH 501 1 564 506 11 PLUG CONNECTOR 3P 801 1 564 505 11 PLUG CONNECTOR 2P RV501 1 238 905 11 RES VAR CARBON 50K 50K 20K REC LEVEL 802 1 564 505 11 PLUG CONNECTOR 2P RV502 1 238 904 11 RES VAR CARBON 50K 50K BALANCE TP803 1 564 506 11 PLUG CONNECTOR 3P 1 238 019 11 RES ADJ CARBON 47K QUICK REV 801 1 577 358 21 VIBRATOR CERAMIC 4MHz RY801 1 515 683 11 RELAY X901 1 577 360 11 VIBRATOR CERAMIC 6 2 5501 1 572 154 11 SWITCH ROTARY DOLBY NR S502 1 571 305 11 SWITCH PUSH 1 KEY MPX FILTER 5701 1 571 305 11 SWITCH PUSH 1 KEY POWER 5801 1 571 520 11 SWITCH SLIDE DIRECTION MODE S802 1 571 520 11 SWITCH SLIDE TIMER 5901 1 554 303 21 SWITCH KEY BOARD OPEN CLOSE ACCESSORY amp PACKING MATERIAL S902 1 554 303 21 SWITCH KEY BOARD WM 1 559 533 11 CORD CONNECTION S903 1 554 303 21 SWITCH KEY BOARD 44 S904 1 554 303 21 SWITCH KEY BOARD 3 350 829 11 AEP INDIVIDUAL CARTON 3 350 829 21 US Canadian UK INDIVIDUAL CARTON S905 1 554 303 21 SWITCH KEY BOARD REC S906 1 554 303 21 SWITCH KEY BOARD p 3 350 830 01 CUSHION 5907 1 554 303 21 SWITCH KEY BOARD
22. 1 1 164 159 11 CERAMIC 0 1 50 s S 812 1 164 159 11 CERAMIC 0 1M 50V NEU CR C813 1 124 927 11 ELECT 4 7MF 20 50V ME p 814 1 124 477 11 ELECT 47 20 16 cece 8220 C815 1 124 477 11 ELECT 47 20 16 ON Bis eee 816 1 123 875 11 ELECT 10 20 501 aceon DIODE C817 1 123 875 11 ELECT 20 50 818 1 123 382 00 ELECT 3 3MF 20 50 C820 1 124 927 11 ELECT 4 7 20 50 DUE l 821 1 124 791 11 ELECT 1 20 501 UNE AR RUM EE C822 1 164 159 11 CERAMIC 0 lMF 50V E C823 1 164 159 11 US Canadian 0708 8 719 933 33 DIODE HZS6ATL CERAMIC O IMF 50V 28 2 902 Note components identi Les fied by mark ted line with mark are critical for safety Replace only with part number specified TC RX70 RX70ES Ref No Part No Description Ref No Part No Description 0709 8 719 933 33 DIODE HZS6AIL IC651 8 759 634 51 M5218AP 0710 8 719 933 39 DIODE 756 11 10652 8 759 634 50 M5218AL 0711 8 719 200 77 DIODE 10E2N 1701 8 759 945 58 IC RC4558P 0712 8 719 200 77 DIODE 10 2 IC801 8 759 634 80 50963 2255 0713 8 719 000 93 DIODE UZL 7H 16802 8 759 240 69 IC TC4069UBP 0715 8 719 107 94 DIODE 155202 1 10803 8 759 973 95 IC BA6219B 0716 8 719 109 74 DIODE RD4 3ES Bl 1 804 8 759 822 09 IC 181641 0717 8 719 107 94 DIODE 155202 1 805 8 759 945 58 IC RC
23. 11 1 249 432 11 Description CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON 2 2 10 2 2 8 2 33K 130K 5 6K 2 2 2 2 2 4K 220 2 2 10 18K 10 150K 27K 15K 36K 180 36K TOK 2 2K 2 2K 220 100K 10K 47K 330 100K 22K 220K 3 3K 8 2K 24K 560 2 2K 8 2K 2 2K 10K 4 7K 2 2K 10K 2 2K 8 2K 33K 68 130K 5 6K 2 2K 2 2K 2 4K 220K 2 2K 18K TC RX70 RX70ES Ref No Part No Description Ref No Part No Description R328 1 249 393 11 CARBON 10 5 1 4 547 1 249 429 11 CARBON lOK 5 1 4 R329 1 247 883 00 CARBON 150K 5 1 44 548 1 249 428 11 CARBON 8 2K 5 1 44 R330 1 249 434 11 CARBON 27K 5 1 4 R549 1 249 441 11 CARBON 100K 5 1 4W R331 1 249 431 11 CARBON 15K 5 1 48 R550 1 249 441 11 CARBON 100K 5 1 4W R332 1 247 868 11 CARBON 36K 5 1 44 R551 1 249 423 11 CARBON 3 3K 5 1 40 R333 1 249 408 11 CARBON 180 5 1 4 R552 1 249 429 11 CARBON 10K 5 1 44 R45 1 249 429 11 CARBON 10K 5 1 44 R553 1 249 429 11 CARBON 10
24. 2 2 s R902 R939 100 4 3 i 100 S 2 2k Ox AJ p DISPLAY LIGHT OFF 5 1 5 1092 ER IN S ga GA 58 8 DTAN4ES A D Diss lt lt 5 apos gt I CNP707 5 SEGMENT DRIVE DISPLAY LIGHT 0FF 0 IC652 5 e 0707 25 1116 REO 1 f x 0713 UZL 7H1 5 5 28 C714 0 1 5701 har zi 6 2 I lt A ES tte S SW BOARD wi U51060M M VY Ls PI Ecce 1 2 e l 58 PM Es 5 usidan FOGS ja x gn C TTTT 807 osr 905 0904 9906 t3 kd idi n 5 aries ts LI reo usiosom iBo 25 MCHOIIBCP 5 2 au WT li DISPLAY j 5 8 DISPLAY LIGHT OFF 0 1 c 0 X pp O osan e BOARD pasa toate Zaa 10 Z 8902 051060 I R753 R75 5819 5 Rb m yo IOk 100 USIOGOM man B tame Bx 501 2 7 8 2 27k 5901 pPC4570C 1 PB EQ pp e ES Swit mus 5902 m 55 530 Ba p Hep Atop Zeb soos faa 55 i ss4 pp UL RIDE k h o be dizasseeeeecoece peene
25. 4 US Canadian DIODE 155202 1 1051 X 3356 638 1 MOTOR REEL R ASSY 5 I M1052 X 3356 604 1 MOTOR ASSIST ASSY M1053 X 3356 635 1 MOTOR CAPSTAN R2 ASSY 0901 8 719 107 94 DIODE 155202 1 PT101A 1 450 018 11 US Canadian TRANSFORMER POWER 0902 8 719 107 94 DIODE 155202 1 ee PT101A 1 450 019 11 AEP UK TRANSFORMER POWER 1550025 0101 8 729 900 74 TRANSISTOR 0714375 102 8 729 900 80 TRANSISTOR DTC114ES 0905 8 719 302 45 DIODE SELI210S Q 0103 8 729 142 25 TRANSISTOR 2SD1020 HFE 0500 rot Eaagasdo OLODE SEL S2 10S 0104 8 729 620 08 TRANSISTOR 25 2603 301 8 729 900 74 TRANSISTOR DTC143TS 0908 8 719 301 44 DIODE SEL2410E D Q Er aga un SIS ERU OR SEA o TOR Q302 8 729 900 80 TRANSISTOR DTClI4ES u 0303 8 729 142 25 TRANSISTOR 2501020 304 8 729 620 05 TRANSISTOR 2502603 D911 8 719 301 59 DIODE SEL2910A Q 0212 a 7719 301 59 SIDE SEL29108 0501 8 729 821 04 TRANSISTOR 2SA1317 STU 0913 8 719 301 38 DIODE SEL2210S C 0502 8 729 900 80 TRANSISTOR DTC114ES 0503 8 729 900 80 TRANSISTOR DTC114ES 0504 8 729 900 80 TRANSISTOR DTC114ES FLT901 1 519 493 11 INDICATOR TUBE FLUORESCENT 0505 8 729 821 04 TRANSISTOR 2SA1317 STU HRPE1001 2003 533 SLIDER COMPLETE ASSY 0506 8 729 900 80 TRANSISTOR 114 5 0507 8 729 900 80 TRANSISTOR 0 114 5 1 501 8 759 111 44 UPC4570C 1 1 502 8 752 036 34 IC
26. 428 11 CARBON 8 2K 5 1 4W 860 A 1 212 954 11 FUSIBLE 6 8 5 1 2 F R921 1 249 429 11 CARBON 10K 5 1 4W 1 1 249 408 11 CARBON 180 5 1 40 R922 1 249 429 11 CARBON 10K 5 1 4 URED CARBON E 4 923 1 249 441 11 CARBON 100K 5 1 4 R863 1 249 408 11 CARBON 180 5 1 4W R938 1 249 429 11 CARBON WOK 5 1 4 R864 1 249 421 11 CARBON 2 2K 5 1 44 939 1 249 441 11 CARBON 1006 5 1 44 R865 1 249 431 11 CARBON 15K 5 1 4 R940 1 249 441 11 CARBON 100K 5 1 4W 1 249 429 11 1 1 4 ck 593 422 qu me in R1001 1 249 408 11 CARBON 180 5 1 43 R867 1 249 409 11 CARBON 220 5 1 44 R1002 1 249 408 11 CARBON 180 5 1 48 R868 1 249 409 11 CARBON 220 5 12 1051 1 249 414 11 CARBON 560 5 1 48 869 1 249 433 11 CARBON 22K 5 1 4 R870 1 249 434 11 CARBON 27K 5 b 871 1 249 433 11 CARBON 22K 5 aw R872 1 247 866 11 CARBON 30K 5 1 4W Note components identi Les composants identifi s par fied by mark or dot une marque sont critiques ted line with mark pour la s curit are critical for safety Ne les remplacer que par une Replace only with part pi ce portant le num ro sp ci number specified fi 70 RXTOES Ref No Part No Description Ref No Part No Description 1 238 016 11 RES ADJ CARBON 10K PB LEVEL L CH 1101 1 433 335 11 TRANSFORMER BIAS OSCILLATION RV102 1 238 016 11 RES ADJ CARBON 10K REC LEVEL L CH T301 1 433 335 11 TRANSFORMER BIAS OSCILLATION RV103 1 238
27. 4558P 0718 8 719 933 39 DIODE HZS6CIL 16806 8 759 945 58 IC RC4558P 0719 8 719 107 94 DIODE 155202 1 807 8 759 140 00 US Canadian IC UPD4011BC 0720 8 719 200 77 DIODE 10E2N 10901 8 759 983 68 IC MB88517B 1023N 0801 8 719 107 94 DIODE 155202 1 IC902 8 741 100 48 SBX1610 59 0802 8 719 107 94 DIODE 155202 1 1 1001 8 749 920 97 PHOTO REFLECTOR GP2S22B 0803 8 719 107 94 DIODE 155202 1 1 1002 8 749 920 97 PHOTO REFLECTOR GP2S22B 0804 8 719 107 94 DIODE 155202 1 2101 1 507 854 00 AEP JACK LARGE TYPE MICROPHONE 0805 8 719 107 94 DIODE 155202 1 LEFT 0806 8 719 107 94 DIODE 155202 1 J10 1 507 854 21 US Canadian UK JACK LARGE TYPE 0807 8 719 107 94 DIODE 155202 1 LEFT 0808 8 719 001 21 DIODE UZL 9H1 2301 1 507 854 00 AEP JACK LARGE TYPE MICROPHONE 0809 8 719 001 21 DIODE UzL 9Hl RIGHT 0810 8 719 933 54 0100 HZS9A2L J301 1 507 854 21 US Canadian UK JACK LARGE TYPE 0811 8 719 933 54 DIODE HZS9A2L MICROPHONE RIGHT D812 8 719 107 94 DIODE 155202 1 J501A 1 507 796 71 JACK HEADPHONES 0813 8 719 107 94 DIODE 155202 1 J501B 1 565 258 11 JACK PIN 4P LINE IN OUT 0814 8 719 107 94 DIODE 155202 1 101 1 410 780 11 INDUCTOR 27 L301 1 410 780 11 INDUCTOR 27MMH 0816 8 719 107 94 DIODE 155202 1 501 1 408 080 00 INDUCTOR 100UH 0817 8 719 107 94 DIODE 155202 1 LPF101 1 236 475 11 FILTER LOW PASS NC UU E nU UA A LPF301 1 236 475 11 FILTER LOW PASS 0810 8 719 107 9
28. 49 433 11 CARBON 22K 5 1 4W R901 1 247 903 00 CARBON 1M 5 1 4W R841 1 249 433 11 CARBON 22K 5 1 4W R902 1 249 417 11 CARBON 5 1 44 R842 1 249 429 11 CARBON lOK 5 1 4W 903 1 249 429 11 CARBON 10K 5 1 4W R843 1 249 429 11 CARBON 10K 5 1 44 R904 1 249 441 11 CARBON 100K 5 1 4W R844 1 249 429 11 CARBON 10K 5 1 44 R905 1 249 441 11 CARBON 100K 5 1 44 R845 1 249 429 11 CARBON 10K 5 1 44 R906 1 249 417 11 CARBON 5 1 48 R846 1 249 436 11 CARBON 3 5 1 44 R907 1 249 441 11 CARBON 100K 5 1 4 R847 1 247 887 00 CARBON 220K 5 1 44 R908 1 249 441 11 CARBON 100K 5 1 4W R848 1 249 436 11 CARBON 39K 5 1 44 R909 1 249 441 11 CARBON 100 5 1 44 R849 1 247 887 00 CARBON 220K 5 1 4W R910 1 249 425 11 CARBON 4 7K 5 1 4W R850 1 247 887 00 CARBON 220K 5 1 4W 911 1 249 416 11 CARBON 800 5 1 44 R851 1 247 887 00 CARBON 220K 5 1 48 R912 1 249 422 11 CARBON 2 7 5 1 44 R852 1 249 430 11 CARBON 12K 5 1 4W R913 1 249 424 11 CARBON 3 9 5 1 48 R8533 1 249 429 11 CARBON 10K 5 1 44 R914 1 249 428 11 CARBON 8 2K 5 1 4 R854 1 247 854 11 CARBON 9 1K 5 1 4W R915 1 249 434 11 CARBON 27K 5 1 44 R855 1 249 429 11 CARBON 10K 5 1 4W R916 1 249 422 11 CARBON 2 7 5 1 4 R856 1 249 423 11 CARBON 3 3K 5 1 4 R917 1 249 424 11 CARBON 3 9K 5 1 44 R857 1 247 858 11 CARBON 13K 5 1 44 R918 1 249 422 11 CARBON 2 7 5 1 4M R858 1 249 432 11 CARBON 18K 5 1 44 R919 1 249 424 11 CARBON 3 9K 5 1 44 R859 4 1 212 952 00 FUSIBLE 5 6 5 1 94 F R920 1 249
29. 5 DTCll4ES DTA114ES DTC114ES DTA114ES 22K 5 220 5 3 3K 5 8 2K 5 24K 5 560 5 2 2K 5 8 2K 5 2 2K 5 5 10K 5 4 7K 5 1 44 1 4 1 44 1 4 1 4 1 4 1 48 1 48 1 48 1 44 1 44 1 44 Ref No R113 R114 R115 R116 R117 R118 119 R120 R121 R122 R123 R124 R125 R126 R127 R128 R129 R130 R131 R132 R133 R232 R251 R252 R253 R254 R255 R256 R257 R258 R259 R301 R302 R303 R304 R305 R306 R307 R308 R309 R310 R311 R312 R313 R314 R315 R316 R317 R318 R319 R320 R321 R322 R323 R324 R325 R326 R327 30 Part No 1 249 421 11 1 249 429 11 1 249 421 11 1 249 428 11 1 249 435 11 1 249 403 11 1 247 882 11 1 249 426 11 1 249 421 11 1 249 421 11 1 247 840 00 1 247 887 00 1 249 421 11 1 249 429 11 1 249 432 11 1 249 393 11 1 247 883 00 1 249 434 11 1 249 431 11 1 247 868 11 1 249 408 11 1 247 868 11 1 249 429 11 1 249 421 11 1 249 421 11 1 249 409 11 1 249 441 11 1 249 429 11 1 249 437 11 1 249 411 11 1 249 441 11 1 249 433 11 1 247 887 00 1 249 423 11 1 249 428 11 1 247 864 11 1 249 414 11 1 249 421 11 1 249 428 11 1 249 421 11 1 249 417 11 1 249 429 11 1 249 425 11 1 249 421 11 1 249 429 11 1 249 421 11 1 249 428 11 1 249 435 11 1 249 403 11 1 247 882 11 1 249 426 11 1 249 421 11 1 249 421 11 1 247 840 00 1 247 887 00 1 249 421 11 1 249 429
30. 75 00 MYLAR 0 0022 5 50V C317 1 136 157 00 FILM 0 022MF 55 50V C106 1 136 174 00 FILM 0 56MF 5 50V C318 1 124 657 00 ELECT 20 50 C107 1 136 171 00 FILM 0 33 5 50V 0319 1 161 494 00 CERAMIC 0 022 25V C108 1 123 875 11 ELECT 1 204 50V C320 1 136 158 00 FILM 0 027 5 50V 109 1 124 927 11 ELECT 4 7 20 50V C321 1 123 382 00 ELECT 3 3MF 20 50V 110 1 124 902 00 ELECT 0 47MF 20 50 C322 1 136 153 00 FILM 0 01 5 50V 111 1 123 875 11 ELECT 10 20 50V C323 1 136 157 00 FILM 0 022MF 5 50 Cli2 1 123 875 11 ELECT 10 20 50V C324 1 136 161 00 FILM 0 047MF 55 50V C113 1 162 285 31 CERAMIC 180PF 10 50 C325 1 136 272 00 FILM 68PF 5 630V 14 1 136 935 11 FILM 22PF 5 630V 0326 1 130 468 00 MYLAR 560PF 5 50V C115 1 162 294 31 CERAMIC 0 001 10 50V C327 1 136 433 11 FILM 100PF 5 630V 0116 1 162 282 31 CERAMIC 100PF 10 50V 451 1 124 791 11 ELECT 20 50V 0117 1 136 157 00 FILM 0 022MF 5 50 C452 1 162 292 31 CERAMIC 680PF 10 50V 018 1 124 657 00 ELECT 10MF 20 50V C453 1 162 282 31 CERAMIC 100PF 10 50V 6119 1 161 494 00 CERAMIC 0 022MF 25N C454 1 124 438 00 ELECT MF 20 50V 120 1 136 158 00 FILM 0 027 5 50 501 1 123 875 11 10MF 20 50 121 1 123 382 00 ELECT 3 3MF 20 50V C502 1 123 875 11 ELECT 10 20 50 122 1 136 153 00 FILM 0 01MF 5 50V 503 1 126 233 11 ELECT 22 20 25V C123 1 136 157 00 FILM 0 022MF 5 50V 504 1 124 791 11 ELECT 1 20 50
31. 8 729 801 93 8 729 900 61 8 729 620 05 8 729 620 05 8 729 900 61 8 729 900 61 8 729 900 80 8 729 900 61 8 729 900 80 8 729 900 61 1 249 433 11 1 247 887 00 1 249 423 11 1 249 428 11 1 247 864 11 1 249 414 11 1 249 421 11 1 249 428 11 1 249 421 11 1 249 417 11 1 249 429 11 1 249 425 11 TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON Description 25 2603 2SB1187 EF 2SA1317 STU 2SB1116A L DTAI14ES 114 5 DTAI44ES 114 5 114 5 114 5 114 5 114 5 114 5 114 5 2SC2603 EF 2SC2603 EF DTA114ES DTA114ES DTA114ES DTA114ES DTA114ES DTA114ES DTC114ES 2SA1317 STU DTC114ES 2SA1317 STU DTC114ES 2SC2603 EF DTA114ES 2SC2603 EF 2SD1387 2SB1013 4 2SB1013 4 2SD1387 2SD1387 114 5 2SC2603 EF 2SC2603 EF 114 5 114
32. BAL BOARD MIC HEADPHONES BOARD SW BOARD FADER LED BOAED 16 901 including w e No 14 15 16 17 18 19 20 23 24 25 27 901 906 RED KNOB BALANCE WHITE t Parts Color Part No 4 922 921 01 4 931 421 11 4 928 635 01 X 3332 562 1 3 704 366 01 3 332 578 61 7 682 547 09 4 864 307 00 3 304 926 11 3 350 839 01 3 350 824 01 A 2006 236 A A 2006 265 A 1 575 628 11 FLT901 1 519 493 11 22982 Description The components identified by mark or dotted line with mark are critical for safety eplace only with part number specified Les composants identifi s par une marque sont critiques pour la s curit Ne les remplacer que par une pi ce portant le num ro sp ci f Remarks BUTTON POWER KNOB T amp S SCREW BV 2 6X8 TAPPING LID ASSY CASSETTE SCREW CASE M3X8 C ASE SCREW BVTT 3X6 S RING KNOB A PUSH BUTTON HOLDER FL AEP sias ceret MOUNTED PCB PANEL US Canadian UK MOUNTED PCB PANEL including W A E WIRE FLAT TYPE 27 CORE INDICATOR TUBE FLUORESCHENT 5 2 CHASSIS SECTION AA PIN JACK BOARD AB POWER BOARD TR BOARD 2 AEP Model E Ko EG YES We lt gt 77 907 US Canadian 902 53 2 US Canadian PE Models lt CN804 including PT101 not supplied not supplied Note Note The components identi
33. CARBON 10 5 1 41 R536 1 247 848 11 CARBON 5 1K 5 1 44 801 1 249 411 11 CARBON 330 5 1 44 R538 1 249 441 11 CARBON 100K 5 1 44 R802 1 249 429 11 CARBON 10K 5 1 4 R539 1 249 437 11 CARBON 47K 5 1 44 R803 1 249 429 11 CARBON 10K 5 1 44 R540 1 249 437 11 CARBON 47K 5 1 44 804 1 249 429 11 CARBON 10 51 1 4 541 1 249 389 11 CARBON 47 5 1 4 R805 1 249 410 11 CARBON 270 5 1 44 R542 1 249 389 11 CARBON 47 5 1 4W R806 1 249 410 11 CARBON 270 5 1 4 543 1 249 409 11 CARBON 220 5 1 44 R807 1 249 409 11 CARBON 220 5 1 44 544 1 249 409 11 CARBON 20 5 1 44 R808 1 249 411 11 CARBON 330 5 4 1 4 545 1 249 441 11 CARBON 100K 54 1 40 809 1 249 410 11 CARBON 270 5 1 44 546 1 249 441 11 CARBON 100K 5 1 44 R810 1 249 413 11 CARBON 40 5 1 Note Note The components identi Les composants identifi s par fied by mark dot une marque sont critiques ted line with mark pour la s curit are critical for safety Ne les remplacer que par une Replace only with part pi ce portant le num ro sp ci 21 number specified fi TC RX70 RX70ES Ref No Part No Description Ref No Part No Description R81 1 249 435 11 CARBON 33K 5 1 44 R873 1 249 408 11 CARBON 180 5 1 44 812 1 249 433 11 CARBON 22K 5 1 44 R874 1 249 433 11 CARBON 22K 5 1 44 R813 1 249 433 11 CARBON 2eK 5 1 44 R875 1 249 434 11 CARBON 27K 5 1 44 R814 1 249 425 11 CARBON 4 7K 5 1 4W 876 1 249 433 11 CARBON 22K 5 1 4W R815 1 249 417 11 CARB
34. EC EQ E 8 Saiz 1 ox 5 1 I s SEE IEEE FLT901 88 128 POWER AEP MODEL FLUORESCENT bass amp _ 8309 0103 303 8 SWITCH MEMORY OYU m 1411 IV DISPLAY TUBE 215 Be C MSN T 8 4 1 2 pend NS e al BEES REC LEVEL Eur 250020 51 288701 TRANSFORMER BOARD 515 100 10 ae l 5001 E I Q501 ANS Sig 0 22 176 1 2 S nll oo s om 102 50V lt 901 i asss DISPLAY CONTROL E d 5 ME 21 5 s 5 Eo 2709 9705 85 UZL 6L1 2581761 S a 3v L ee 9707 U91008 US Canadian a LLL C R714 2204 c TER qm 3 E et MODEL 0903 0906 1 E Zew 503 68 3 9504 US1060M 3 E GRID DRIVE 7 2 901 S BON 06 2 8203 5820 z EE ii EL Wo 4 N0817 SEGMENT DRIVE HEADPHONES tile US ATCT AES go 8508 US1060M 5 GN SD 160KX15 LIOI 27 s F T BOARD A HEAD TRANSLATION p Bm al 7 DISPLAY LIGHT _ _ 4 ss 4 N R940 100x TFT 1 2 e R12
35. K 5 1 44 R452 1 249 421 11 CARBON 2 2K 5 1 44 554 1 249 417 11 CARBON 5 1 40 R453 1 249 421 11 CARBON 2 2K 5 1 40 R555 1 249 430 11 CARBON 12K 5 1 4 R454 1 249 409 11 CARBON 20 5 1 44 R556 1 249 435 11 CARBON 33K 5 1 44 R455 1 249 441 11 CARBON 100 5 1 44 R651 1 249 409 11 CARBON 220 5 an R456 1 249 429 11 10 5 1 44 R652 1 249 409 11 CARBON 220 5 1 4W R457 1 249 437 11 CARBON 47K 5 1 44 R653 1 249 413 11 CARBON 470 5 1 4 R458 1 249 411 11 CARBON 330 5 1 44 R654 1 249 412 11 CARBON 470 5 R459 1 249 441 11 CARBON 100K 5 1 44 R701 1 249 426 11 CARBON 5 6K 5 1 44 R501 1 249 417 11 CARBON 5 1 4 1 5 R502 1 249 441 11 CARBON 100K 5 1 44 8702 1 249 425 11 CARBON 4 78 5 1 4 R703 1 249 421 11 CARBON 2 2K 5 1 4W R503 1 249 403 11 CARBON 68 5 1 4W R704 1 249 425 11 CARBON 4 7K 5 1 44 R504 1 249 429 11 CARBON 10K 5 1 4 1 249 427 11 R505 1 249 434 11 CARBON 27K 5 1 4 R705 1 249 427 11 CARBON 6 8K 5 1 4W 706 1 249 419 11 CARBON 1 5K 5 1 4W R507 1 249 417 11 CARBON 1K 5 1 4W 1 249 419 11 R508 1 249 441 11 CARBON 100K 5 1 44 R708 1 249 419 11 CARBON 1 5K 5 1 4 R709 1 249 425 11 CARBON 4 7K 5 1 4 R509 1 247 864 11 CARBON 24K 5 1 44 R710 1 249 409 11 CARBON 220 5 1 4M R512 1 247 870 11 CARBON 43K 5 1 44 1 249 427 11 513 1 249 436 11 CARBON 5 1 44 NM ES En R712 1 249 427 CARBON 6 8K 5 1 44 R514 1 247 882 11 CARBON 130K 5 1 44 R713 1 249 417 11 CARB
36. NISM SECTION No 501 502 503 504 505 506 507 508 509 511 512 513 514 515 516 517 518 519 Part No X 3356 612 1 7 685 133 19 3 558 708 21 3 356 717 01 3 356 708 01 X 3356 611 1 X 3356 613 1 X 3343 455 1 X 3343 456 1 X 3356 641 1 3 701 436 11 3 356 614 01 3 356 601 11 X 3356 608 1 3 356 713 01 3 356 619 01 3 356 710 01 3 356 714 01 Description TCM 200R2 HOLDER B ASSY CASSETTE SCREW BTP 2 6X6 TYPE2 N S WASHER STOPPER LEVER JOINT GEAR SOFT EJECT HOLDER A ASSY CASSETTE PLATE ASSY ORNAMENTAL LEVER PINCH F ASSY LEVER PINCH R ASSY LEVER FR2 ASSY WASHER 1 6 POLYETHYLENE SLIDER BRAKE SCREW STEP LEVER LIFTER ASSY WASHER SPRING B TORSION SHAFT LEFT CASSETTE HOLDER WASHER 25 Remarks No 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 Part No 7 685 851 09 3 712 786 41 3 356 626 01 3 356 625 01 7 621 775 10 X 3356 627 1 X 3356 628 1 3 356 930 01 3 356 926 01 3 356 931 01 3 356 946 01 3 356 932 01 3 356 933 01 3 356 927 01 3 356 731 01 3 356 928 01 Description Remarks SCREW BVTT 2 4 5 DAMPER OIL SPRING TENSION SPRING TENSION SCREW B 2 6X4 GEAR T ASSY GEAR S ASSY LEVER RA SPRING RIGHT TORSION LEVER RB BUSHING LEVER LA LEVER LB SPRING LEFT TORSION ABSORBENT VIBRATION PLATE A ORNAMENTAL HRPE1001 A 2003 533 A SLIDER COMPLE
37. ON 5 1 44 R515 1 247 885 00 CARBON 180K 5 1 4 R71 1 247 887 1 R516 1 249 436 11 CARBON 39K 5 1 4 ee eta ely ub P R715 249 417 CARBON IK 56 1 4 518 1 247 874 11 CARBON 62K 5 1 44 R717 1 249 429 11 CARBON 10K 5 1 44 R519 1 247 872 11 CARBON SIK 5 1 4 R718 1 249 441 11 CARBON 100K 5 1 4W R520 1 247 891 00 CARBON 330K 5 1 4W R719 1 249 433 11 CARBON 22K 5 1 44 521 1 247 887 00 CARBON 220K 5 1 44 1 249 429 11 1 8522 1 249 435 11 CARBON 33K 5 1 4 R72 1 249 434 11 CARBON 17 R524 1 247 874 11 CARBON 62K 5 1 40 1 249 430 11 ur run memo Wn Den cum 18 a R526 1 249 440 11 CARBO Bee ed ora oo 1 4 R725 A 1 219 136 11 FUSIBLE 0 22 104 1 44 F SK 5 1 0 R726 A 1 219 136 11 FUSIBLE 0 22 10 1 44 F R529 1 247 885 00 CARBON 180K 5 1 4W 728 1 249 414 11 CARBON 560 5 1 4 R530 1 249 409 11 CARBON 220 5 1 44 R750 1 249 441 11 US Canadian CARBON 100K 5 1 4W 751 1 249 405 11 US Canadian CARBON 100 5 1 4M 249 409 1 R531 15245745500 ARP 221 222 752 1 249 429 11 US Canadian CARBON 10K 5 1 4 R532 1 249 429 11 CARBON 10K 5 1 44 4 1 R533 1 249 429 11 CARBON 10 5 1 44 R753 1 249 429 11 US Canadian CARBON 10K 5 1 44 754 1 249 429 11 US Canadian CARBON 10K 5 1 4W R534 1 249 421 11 CARBON 2 2K 5 1 4W 755 1 249 429 11 US Canadian CARBON 10K 5 1 4W R535 1 249 419 11 CARBON 1 5K 5 1 44 756 1 249 393 11 US Canadian
38. ON 5 1 44 R877 1 247 866 11 CARBON 30K 5 1 44 R816 1 249 435 11 CARBON 33K 5 1 44 R878 1 249 408 11 CARBON 180 5 1 44 R817 1 249 435 11 CARBON 33K 5 1 44 R879 1 249 429 11 CARBON 10K 5 1 44 R818 1 247 903 00 CARBON 1M 5 1 44 881 1 249 417 11 CARBON 5 1 44 R819 1 249 417 11 CARBON 5 1 44 R882 1 249 409 11 CARBON 220 5 1 44 R820 1 249 414 11 CARBON 560 5 1 4W R883 1 249 429 11 CARBON 10K 5 1 4W R821 1 249 417 11 CARBON 1K 5 1 4W R884 1 249 417 11 CARBON 1K 5 1 4W R822 1 249 429 11 CARBON 10K 5 1 44 R885 1 249 417 11 CARBON 5 1 44 R823 1 249 429 11 CARBON 10 5 1 4 R886 1 249 417 11 CARBON 5 1 4W R824 1 249 433 11 CARBON 22K 5 1 4W R887 1 249 417 11 CARBON 5 1 48 R825 1 249 429 11 CARBON 10 5 1 4W R888 1 249 417 11 CARBON 5 1 44 R826 1 249 421 11 CARBON 2 2K 5 1 4W R889 1 216 349 00 CARBON 1 5 1 2 R827 1 249 410 11 CARBON 270 5 1 44 R890 1 249 429 11 CARBON 10K 5 1 4W R828 1 249 441 11 CARBON 100 5 1 44 R891 1 249 432 11 CARBON 18K 5 1 44 R829 1 249 419 11 CARBON 1 5K 5 1 44 R892 1 249 417 11 CARBON 5 1 44 R830 1 249 421 11 CARBON 2 2K 5 1 4W R893 1 249 429 11 CARBON TOK 5 1 4W R836 1 249 429 11 CARBON 10K 5 1 4W R894 1 249 411 11 CARBON 330 5 1 44 R837 1 249 429 11 CARBON 10K 5 1 44 R895 1 247 887 00 CARBON 220K 5 1 4W R838 1 249 429 11 CARBON 106 5 1 44 R896 1 249 421 11 CARBON 2 2K 5 1 4W R839 1 249 429 11 CARBON 10K 5 1 4W R897 1 249 413 11 CARBON 470 5 1 4W R840 1 2
39. ONNECTOR SMALL 3P C707 1 124 477 11 ELECT 47 20 16 CNP503 1 564 705 11 CONNECTOR SMALL TYPE 708 1 124 473 11 ELECT 1000MF 20 10V 709 1 124 473 11 ELECT 1000MF 20 10V CNP504 1 564 339 00 PIN CONNECTOR 5P CNP505 1 564 338 00 PIN CONNECTOR 4P C710 1 124 477 11 ELECT 47 20 16V CNP701 1 564 510 11 PLUG CONNECTOR 7P 6711 1 124 893 11 ELECT 2200MF 20 6 3 CNP707 1 564 339 61 CONNECTOR 5P C712 1 124 122 11 ELECT 100MF 20 501 801 1 564 339 71 PIN CONNECTOR 5P C713 1 123 875 1 ELECT 10MF 20 501 CNP802 1 564 340 00 PIN CONNECTOR 6P 714 1 164 159 11 CERAMIC 0 1 50V CNP803 1 564 505 11 PLUG CONNECTOR 2P 715 1 124 473 11 ELECT 1000MF 20 CNP901 1 568 842 11 SOCKET CONNECTOR 27 801 1 124 443 00 ELECT 100MF 20 CP801 1 233 204 11 COMPOSITION CIRCUIT BLOCK C802 1 161 494 00 CERAMIC 0 022MF 25 802 1 233 204 11 COMPOSITION CIRCUIT BLOCK C803 1 161 494 00 CERAMIC 0 022MF 25V CP901 1 233 205 11 COMPOSITION CIRCUIT BLOCK C804 1 124 927 11 ELECT 4 7 20 509 0101 8 719 107 94 DIODE 155202 1 805 1 123 875 11 ELECT 10 20 50 0301 8 719 107 94 DIODE 155202 1 0806 1 161 494 00 CERAMIC 0 022MF 25V 0501 8 719 107 94 DIODE 155202 1 C807 1 162 294 31 CERAMIC 0 001MF 10 50 D502 8 719 107 94 DIODE 155202 1 808 1 162 294 31 CERAMIC 0 001MF 105 50V 0503 8 719 107 94 DIODE 155202 1 C809 1 124 894 11 ELECT 6800MF 20 16 0504 8 719 107 94 DIODE 155202 1 081
40. SLATION 5 gt gt REC BOARD 1 2 0 REC VOL MIN gt REC VOL EE 18 19 ies 21 ge m a enm NOTE e The mechanical parts with no reference number in the exploded views are not supplied e The construction parts of an assembled part are indicated with a collation num ber in the remark column e items marked are not stocked since they are seldom required for routine service Some delay should be antici pated when ordering these items 5 1 FRONT PANEL SECTION SECTION 5 EXPLODED VIEWS e Due to standardization parts with part number suffix XX and X may be dif ferent from the parts specified in the components used on the set e Color Indication of Appearance Parts Example t Cabinet s Color 18 6 1 3 2 Supplied with RV Part Description Remarks 1 X 3304 954 1 KNOB R ASSY 2 3 350 495 01 KNOB VOL 3 7 685 133 19 SCREW BTP 2 6X6 TYPE2 N S 4 3 350 838 11 WINDOW M 5 3 350 440 01 SPRING 6 3 356 957 01 SPRING 7 7 682 548 09 SCREW BVTT 3X8 S 8 3 350 841 11 US Canadian PANEL FRONT 3 350 841 21 PANEL FRONT 3 350 841 31 UK PANEL FRONT 9 4 908 848 01 EMBLEM SONY 10 3 684 018 01 COVER LAMP REC 11 7 685 534 19 SCREW BTP 2 6X8 TYPE2 N S 12 7 682 547 04 SCREW BV 3X6 S TIGHT 13 3 350 842 01 PANEL BASE REC LEVEL BOARD DOLBY
41. TE ASSY 5 4 MECHANISM SECTION TCM 200R2 No 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 Part 3 356 730 01 3356 642 1 3356 643 1 3 355 801 01 3 356 705 01 3 356 718 01 3 356 631 01 3 356 628 01 X 3356 602 1 7 621 773 95 3 356 702 01 3 669 465 00 3 356 613 01 7 621 772 20 3 356 617 01 3 356 606 01 3 356 615 01 7 621 770 67 4 928 635 01 3 356 629 01 3 356 707 01 7 621 775 00 Description Remarks BELT CAPSTAN R2 FLYWHEEL R FWD ASSY FLYWHEEL R REV ASSY SCREW BTP 2X18 WASHER CAPSTAN SPACER THRUST RETAINER R HOLDER SENSOR SPACER MOTOR BRACKET MOTOR R ASSY SCREW B 2 6X6 GEAR COMMUNICATION B WASHER 1 5 STOPPER LEVER MODE SCREW B 2X5 LEVER SELECTION GEAR MODE GEAR MODE CAM RR SCREW BVTT 2 6X6 S SCREW BV 2 6X8 TAPPING BRACKET THRUST RETAINER R SCREW PTPWH 2X25 SCREW B 2 6X3 Part No 3 575 321 00 3 356 603 01 3 356 607 01 3 356 703 01 3 356 616 01 3 356 609 01 3 356 605 01 3 558 708 11 3 356 630 01 X 3356 606 1 3 356 612 01 X 3356 634 1 3 356 624 01 1 632 740 11 1 632 741 11 1 634 323 11 IC1001 8 749 920 97 IC1002 8 749 920 97 1051 3356 638 1 1052 3356 604 1 1053 3356 635 1 51001 26 1 466 237 11 Description Remarks RETAINER THRUST CAPSTAN BELT MODE PULLEY MODE GEAR COMMUNICATION C
42. With Type cassette Sony HF S 25 16 000 Hz 3 dB 15 17 000 Hz Wow and flutter 0 06 WRMS NAB Inputs Microphone inputs phone jacks Sensitivity 0 25 mV 70 dB For a low impedance microphone Line inputs phono jacks Sensitivity 77 5 mV 20 dB Input impedance 47k ohms including projecting parts and controls Weight Approx 4 6 kg 10 Ibs 3 oz Supplied accessory Connecting cord 2 Optional accessory Remote commander RM J901 Design and specifications are subject to change without notice STEREO CASSETTE DECK SONY TC RX70 RXTOES TABLE OF CONTENTS Section Title Page Specification 06209299099209909009009009990990990099209999990099 1 Model Identification M H 2 Safety Check Out EEEE EOFT P 2 1 GENERAL ee herren 3 2 DISASSEMBLY 4 3 ADJUSTMENTS n Mnt 7 3 1 Mechanical Adjustment 6 7 3 2 Electrical Adjustment ee ertt sns 7 4 DIAGRAMS 4 1 SemiconductorLead Layout 11 4 2 Circuit Boards Location 12 4 3 Printed Wiring Boards n n n KB 13 4 4 Schematic Diagram 9 4 4 4 0060 17 5 EXPLODED VIEWS 19 5 1 Front Panel Section n n n nn 23 5 2 Chassis Section 24 5 3 Mechanism Section TCM 200R2 25 5 4 Mechanism Section 20062
43. al Sony remote commander with the logo 17 Tape operation buttons and direction mode REC 9 AUTO REC automatic recording LEVEL button and and PAUSE indicators indicator leftward fast winding button P rightward fast winding button fio DISPLAY MODE button gt forward play button 4 reverse play button m stop button H pause button Q REC MUTE record muting button 12 BALANCE control REC record button REC LEVEL recording level control t3 HEADPHONES jack stereo phone jack 18 amp OPENICLOSE button ftal DOLBY NR Dolby noise reduction switch 19 COUNTER RESET and MEMORY buttons 15 MICROPHONE jacks phone jacks 20 DIRECTION MODE switch 16 MPX FILTER button 21 TIMER switch identification of Rear Panel Parts LINE IN line input jacks AC power cord CONTROL 5 US Canadian models LINE OUT line output jacks TC RX70 RX70ES Note Follow the disassembly procedure in the numerical order given Unscrew the four case attachment screws 3 x 8 and remove the upper case MAIN BOARD SECTION 2 DISASSEMBLY N BVTT3 x8 gt BVTT3x6 BVTT3 x 8 MAIN BOARD MECHANISM CASSETTE LID ASSY BVTT3x 6 BVTT3 x8 9 BVTT3x6 CASSETTE Push LEVER LIFTER the direction of arrow and remove CASSETTE HOLDER LEVER JOINT 55 HOLDER A gt is
44. ch SECTION 4 DIAGRAMS 4 1 SEMICONDUCTOR LEAD LAYOUTS MB88517B 1023N 2SB1187 EF SEL2210S C 2501761 SEL2410E D 42 22 SEL2910A I 21 TOP long shor 2SB1013 4 ns 2SB1116A L 5 945 15820621 SE HZS6A1L L1210S HZS6C1L HZS9A2L RD4 3ES B1 UZL short UZL 9H2L Le 2 SEL4214W DTA144ES DTC114ES DTC143TS m 2SA1317 STU 25 2603 EF 10E2N i 5 i cathoce A cathode shade GP2S22B pi 2SD1020 HFE letter side N a 4 2 CIRCUIT BOARDS LOCATION SW BOARD HEAD TRANSLATION BOARD DISPLAY NE POWER BOARD MIC HEADPHONES BOARD TR BOARD REEL MOTOR BOARD PIN JACK BOARD MAIN BOARD REC LEVEL BOARD DOLBY BAL BOARD FADER LED BOARD a ye Semiconductor Location D101 IC801 G 22 802 IC803 IC804 IC805 IC806 IC901 IC902 IC1001 IC1002 0101 0102 0103 0104 0301 0302 0303 0304 0501 0502 0503 0504 0505 0506 0507 0508 0510 0511 0701 0702 0703 0704 0705 0706 0707 0708 0709 0710 0801 0802 0803 0804 0805 0806 0807 0808 0809 0810 0811 0812 0813 0814 0815 0816 0817 0818 0819 0820 0821 0822 0823 0824 0825 0826 0827 0828 0829 0830 0831 0901 0902 0903 0904 0905 0906 01091 1 t m Q 1 m gt O co O CO t t NN A ad J
45. ecord AF OSC VTVM 10k Q C3 attenuator ooo LINE OUT 315Hz 43 6mV 2548 LINE IN 2 Mode playback recorded portion LINE OUT 3 Playback the signal recorded in stepl Confirm that the signal level is within the adjustment limits below If necessary adjust RV102 L ch and RV302 R ch repeat the stepl 2 Adjustment Limits 25dB 0 54 42 46mV Adjustment Location Main board Quick Reverse Sensitivity Adjustment Conditions DIRECTION MODE switch z digital voltmeter Adjustment procedure C 120 blank tape gt Set TP802 Connect the digital voltmeter to test point 802 2 Load C 120 tape cassette and play back the leading portion in FWD mode 3 Adjust the RV801 for 4 5 0 5V reading on the digital voltmeter 4 Play back C 120 tape cassette in FWD mode again Confirm that the reading on the digital voltmeter is L level at the magnetic portion of the tape I 6 Confirm that the tape stop around the tape end boder of the leading and the magnetic portions Adjustment Location Main board 19 Adjustment Parts Location Main board RV102 L ch Record Level RV302 ch 10503 RV801 Quick Reverse TP802 Quick Reverse Test point RV301 R ch RV101 L ch Playback Level T101 L ch ao Current 301 R ch 788 venen TP501 Bias Current Test point RV303 R ch P Test Mode point RV103 L
46. magnetizer 3 Do not use a magnetized screwdriver for the ad justments 4 After the adjustments apply suitable locking compound to the parts adjusted TORQUE MEASUREMENT CQ 102C gt 30 60g cm 0 42 0 8302 inch FWD CQ 102C 1 5g cm 0 014 0 06902 Back tention RE T CQ 102RB 30 608 0 42 0 8302 inch REV _ _ Back tention CQ 102RB 1 5g cm 0 014 0 06902 inch FF REW CQ 201B 70 120g cm 0 98 1 6602 inch 3 2 ELECTRICAL ADJUSTMENT Note The adjustment should be performed in the order given in the service manual As a rule adjustments about playback should be performed before those about recording The adjustments should be performed for both L CH and R CH e Switches and controls should be set as follows unless otherwise specified DOLBY NR switch OFF DIRECTION switch Imc Standard Record Deliver the standard input signal level to the input jack and set the REC LEVEL control to obtain the standard output signal level Record Mode AF OSC VTVM LINE IN LINE OUT ox pe T s Standard Input Level I 0 25V 10dB Standard Output Level input level Test Tape P 4 A100 10kHz 10dB Azimuth Adjustment 315Hz 0dB PB Level Adjustment P 4 L300 3kHz 0dB Tape Speed Adjustment Test Mode The set will get into test mode by shorting the pins of TP801 TEST on Main board
47. on Remarks 28 3 340 195 02 INDICATOR Sony Corporation Audio Group US Model Canadian Model UK Model TC RX70ES AEP Model TC RX70 English 9111690 1 Printed Japan 1991 9 Published by Customer Relations and Service Group
48. y operated digital multimeters that have a 2V AC range are suitable See Fig A To Exposed Metal Parts on Set 0 15uF AC voltmeter 0 75 V Earth Ground Fig A Using an AC voltmeter to check AC leakage 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 PUB LISHED BY SONY ATTENTION AU COMPOSANT AYANT RAPPORT A LA SECURITE LES COMPOSANTS IDENTIFI S PAR UNE MARQUE SUR LES DIAGRAMMES SCH MATIQUES ET LA LISTE DES PIECES SONT CRITIQUES POUR LA S CURIT DE FONCTIONNEMENT NE REMPLACER CES COM POSANTS 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 RX70 RX7OES SECTION 1 GENERAL Identification of Front Panel Parts 1 switch Refer to the pages Indicated In for details 2 Cassette holder s TAPE TYPE indicators LINEAR COUNTER 4 MEMORY indicator 5 6 LEVEL METER 7 FADER button Remote control sensor You can control this cassette deck remotely with Any remote commander supplied with a Sony amplifier or receiver which is marked with the logo and has cassette deck control capability option
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