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JVC SERVICE MANUAL

1. uo te ott IRR ih 5 5 20097 311 311 2 Power Supply Section POWER SUPPLY BLOCK E G FOR EUROPE AC220V 50Hz G A BS 2 FOR AUSTRALIA BS FOR U K AC240V BOHL U FOR OTHER COUNTRIES AC110 120 220 240V 50 60H z VINCE san ne 121 1 ENH 127 5 BROKEN LINE 127 1 J RT801 6002 RTOO 20097 20097 311 Printed Circuit Boards Source Select PC Board 055 p 98 Mo 2009 7 311 311 Main Amplifier PC Board 127 20097 20097 311 PARTS LIST Contents Exploded View and Parts 1161 EE 2 2 Printed Circuit Board Ass y and Parts 3 11111 11111 1 11 1 1 2 5 127 0 Main Amplifier PC Board 111 0101 2 5 B ENE 055 Source Selector PC Board 2 8 5 318 Voltage Selector PC Board ASS 222222 Aen OE 2 10 ISU IRR TNR 2 11 Packing Materials and Part 12 1 320 2 12 No2 097 2 1 311 Exploded View and Parts List 2 2 20097 Parts List EFP AX311BKE Front Pan
2. Ag8LLE XV 311 2 6 Transistors 25 2240 25 2240 25 2240 2502240 8 2SA970 GR BL 25 970 08 81 2SA970CGR BL 2SA95SSLNCR 5 2SA933LNCR SD 2SC2240CGR BL 2SC2240CGR BL 2S8D656 GQ R 2S0D636 Q R 25 2240 66 25 970 6 25 970 08 2 C2235 0 Y 2562255 0 1 25 965 0 1 25 965 0 1 250215518 5 0 250215518 0 eSB1429LBCR OD eSB1429LBCR O 2SC1740SCR S 25 17405 S 2SA953SCR S eSA953SCR S 2SD2061 CF G 05 1187 62 25 246 GR 25 246 CGR 25 9555 8 5 25 5068 2502389 5 4 205 2589 5 25 ASEGACR S PART Diodes PART 155153 155155 155153 155133 21951332 155133 155133 155133 155133 155133 NUMBER NUMBER SILICON SILICON SILICON SILICON SILICON SILICON SILICON SILICON SILICON SILICON SILICON ILICON SILICON SILICON SILICON SILICON SILICON SILICON SILICON ILICON 7 SILICON SILICON SILICON SILICON SILICON SILICON SILICON SILICON SILICON SILICON SILICON SILICON SILICON SILICON SILICON SILICON SILICON 30D2FC SOD2FC 5002 20097 TOSHIBA TOSHIBA TOSHIBA TOSHIBA TOSHIBA TOSHIBA TOSHIBA ROHM ROHM TOSHIBA JTOSHIBA MATSUSHITA
3. TOSHIBA TOSHIBA TOSHIBA TOSHIBA TOSHIBA TOSHIBA TOSHIBA TOSHIBA TOSHIBA TOSHIBA TOSHIBA ROHM ROHM ROHM ROHM ROHM ROHM ROHM SANYO ROHM ROHM SAFETY PARTS MARKER SAFETY PARTS MAKER NIHONINTER NIHONINTER NIHONINTER NIHONINTER NIHONINTER NIHONINTER NIHONINTER NIHONINTER NIHONINTER NIHONINTER NIHONINTER NIHONINTER NIHONINTER ROHM ROHM ROHM ROHM gt 0 2 D co CO CO CH Diodes PART MTZ18JC MTZ18JC 15 02119 155153 155153 155155 155133 Capacitors Aliren PART NUMBER NUMBER MAKER SAFETY PARTS 001 0 29019 472 700PF QC29019 472 700PF QC29019 4728BS 700PF 2 106 10 2 106 10 QCS21HJ 101 100PF QCS21HJ 101 100PF QCS21HJ 101 100PF QCS21HJ 101 100PF SFNB1iHK 532 QFN81HK 332 QCS21HJ 100 10 QCS21HJ 100 10PF QENS1HM 475 7MF QENSIHM 475 4 7 QCS21HJ 330 3PF QCS21HJ 330 3PF QCS21HJ 530 33PF QCS21HJ 330 0521 220 2266 QCS21HJ 220 22 QETB1CM 476 47MF QETB1CM 476 7MF QCF21HP 103 0 01MF 8 21 1053 0 01 21 103 QCF21HP 103 0 01 2755 Q CS32HJ 680 68PF C756 QCS32HJ 680 68PF slt C757 QCS32HJ 680 500 CERAMIC lt C758 QCS32HJ 680 68PF C761
4. 311 Internal Block Diagrams of ICs 7818 Analog Switch VC5022 751 1 752 Super A LN 1 Drive PS C2 airs 2 Short circuited Jat dua darli 2 90 we SOURCE 2 0 Temperature Compensation 6 Center point 2 t OUT gt 27 A cai OUT 1 ne Ped gt lt gt lt 9 Eege 2 lat dual darli OUT 6 1 L 4 2 5 p ae ee B C CTL D CTL E CTL uPC1237HA 901 Relay Driver NJM4558D D 01 Dual OP Amp Flip ftop 10097 1 9 76000 01 1 Power Cord Voltage Selector PC Board 318 Speaker Terminal Board ENH 12 7 2 Pin Jack PC Board Source Selector PC Board 055 7 055 1 10 Main Amplifier PC Board ENH 127 1 Volume PC Board 5 5 5 79 b Ge FWII3 CD Direct Indicator 9 PC Board 055 6 Source Indicator PC Board gus Power Switch 9 0 C HE i YLW _ Super Bass PC Board qo 055 4 OFrw704 BRW CAM Speaker Selector Power Indicator PC Board PC Board 55 8 127 3 X8LLE XV
5. 311 20097 1 11 in ti Si AX 311BK m VICTOR COMPANY OF JAPAN LIMITED AUDIO PRODUCTS DIVISION YAMATO PLANT 1644 SHIMOTSURUMA YAMATO SHI KANAGAWA KEN 242 JAPAN No 20097 Printed in zapan 8902 G 311 Notes h D 1 indicates B power supply 5 When replacing the parts the darkened 1 i a g ra 5 2 indicates power supply and those marked with A be sure to use the designated o 3 32 indicates signal path parts to ensure safety 1 Source Select and Main Amplifier Section 4 shows DC voltage to the chassis with no signal 6 This is the standard circuit diagram input The design and contents are subject to change without notice 055 2 0212 2315 SLR 3110U70F070 ame a 055 8 06 1670 0218 SLR 331DU70F 070 gt fo OGG 00 L 0 0 9 Tg C317 100 10 7 RE TUNER 4 tO TIPEZ HON 5 d VOLUME 3 E 5 5 06 og ES 3 2121 Sy E A AJ 1 6 6 6 0117 MTZ6 8JC 14 amp s gt E R110 Ey 5 OHS
6. 10 5 LZL HN3 ssy 01 0 159 ss pseog 34 sSoJy 0 5 90 seaJy pajeuDisag 1 SION d ID ze po lt gt 8753 9763 757 8759 0 0 090 432 D E 25685 wes 8 077 863 2 ES tu E d 8 4325 0753 SIS 8 e gt 9858 59 S 5105 5 E a a 5 gt gt 0752 uJ 4 gt C752 lt gt 2 C 8706 lt gt R706 C720 m CH 117 R765 t C 8719 18 lt gt 7640 Cc R732 z N om GF R720 CL Q706 C lt gt nme 0708 abe o 22 0 4 311 9 o C809 W118 593 7701 gt 50 208 2 gt 9 C PE SE 87 R713 GM DRIVER c72 e lt gt D 3703 R l 127 2 O 1761 C761 8745 SYSTEM 1 C SYSTEM 1 SYSTEM 2752 SYSTEM 2 004 e eju ENH 127 4 um O ue Huroejd y 7 7 7 3 910N ssy pieog Od 1 D ZZL HN3 1511 5 pue Assy 015 0
7. This equipment has been designed and manufactured to meet international safety standards It is the legal responsibility of the repairer to ensure that these safety standards are maintained Repairs must be made in accordance with the relevant safety standards It is essential that safety critical components are replaced by approved parts mains voltage selector is provided check setting for local voltage No 20097 311 Specifications AX 311BK OVERALL CHARACTERISTICS EQUALIZER Output power PHONO overload 80 watts per channel into 4 ohms at 1 kHz capacity 95 mV 0 02 THD DIN PHONO RIAA 60 watts per channel into 8 ohms at 1 kHz deviation 0 5 dB 20 Hz DIN 20 kHz Recording output 55 watts per channel min RMS both chan Output level nels driven into 8 ohms from 20 Hz to 20 kHz impedance with no more than 0 007 total harmonic dis TAPE REC 1 2 200 mV Maximum tortion 2 kohms 55 watts per channel min RMS both chan GENERAL nels driven into 8 ohms at 1 kHz with no more Dimensions 435 W x 127 H than 0 003 total harmonic distortion meas x 310 0 mm ured by JVC Audio Analyzer System 17 3 16 4 15 16 Total harmonic 0 00796 20 Hz x 12 1467 distortion 20 kHz 8 ohms at Weight 7 2 kg 15 9 16 55 watts Design and specifications subject to change Intermodulation 0 007 60 Hz 7 kHz without notice distortion 4 1 8 ohms at 55 watts Power band width 5
8. SAFE Y PARTS QRD167JJ 621 QRD167J 621 QRD167J 621 QRD167J 621 No 2097 2 7 8 2 76002 5 550 3 3 ueulJ85 159AA C o 2 2 2 e m E D ch 27 gt gt E a lt ss0 3N3 ssy pseog Dd 12430 1 1 0 015 0 0317 C 5 wilt R327 0 5 30 81 5 6329 gt d HI 15 de 903 C d gt 135 GEI De 104 TONE CIRCUIT 850 ae 0 Len Reh 055 3 BAL ANCE VOL 1 Zeen Ei D Fwit3 OW 08 29 Lu C513 55 5 BASS c503 C A8 a m 1 es 5 503 CO 6 100 lt gt 055 6 ENE 055 2 SOURCE SELCT E 8 reen LED 5002 520000 0218 D ec ENE 055 8 8272 XO R25 8252 Buioejd uaym 5 H 40 3 3 40398 96 eoJnoS 1 440 1 3 KLEINE A AX 311BK Transistors Capacitors PART NUMBER QCS21HJ 101 QCS21HJ 101 GETB1AM 107 QETB1AM 107
9. gt wa pu N C111 C112 470K 22 x 111 120 470 R103 RHO Fw110 17 oO o owe gt gt gt gt 9 gt gt gt gt oe emm emm gp emm emm 1802 UNE 4 1 4 EE 6 ae de 3 1 uii m mum este ti rr SEN Ze 127 2 C769 3753 ER UNF F 1 41 0 5 9 6 r Hs 3 513 8511 8515 0 0033 100Kic 820 z DI C501 C503 0 015 MY 0 082 MY C505 R503 R505 n 20 3 6K B 4702 IC901 PC1237HA 1 Ges 2422 kd ied ed can 15 RT801 8700 56 0801 BLOCK GEN C506 8504
10. AX 311BK JVC SERVICE MANUAL AF ir STEREO INTEGRATED WOM IFIED Geen A Contents Page nie 1 3 Safety Precautions Specifications Front Panel 2 1 4 0 1 5 Remowal 16 3 1 Adjustment Procedures 1 7 sonon Block Diagram 878 Internal Block Diagrams of 9 Connection Diagram 1 10 Schematic Diagrams Insertion Printed Circuit Insertion Parts List Separate Volume Insertion No 20097 Feb 1989 311 1 2 Safety Precautions 1 The design of this product contains special hardware and many circuits and components specially for safety purpose For continued protection no changes should be made to the original design unless authorized in writing by the manufacturer Replacement parts must be identical to those used in the original circuits Service should be per formed by qualified personnel only Alterations of the design or circuitry of the product should not be made Any design alterations of the product should not be made Any design alterations or additions will
11. QFN81HK 223 0 022MF C762 GFNB1HK 223 0 022MF C763 GFNB1HK 223 0 022MF NES C764 QFNBIHK 2235 22 5OV MYLAR 0 C765 QFNB1HK 104 0 1MF C765 GFN81HK 104 O0 1MF 765 GFNB1HK 104 0 1 C765 GFNB1HK 473 0 047MF SN C766 GFNB1HK 104 O 1MF SOV MYLAR C766 GFNB1HK 104 0 1MF We 1 766 GFNB1HK 104 0 1MF C766 QFNB1HK 473 0 047MF C767 GFNB1HK 104 0 1MF E 767 QFN81HK 104 0 1 50V MYLAR C767 GFNB1HK 104 0 1 50V MYLAR OE C768 GFNB1HK 104 0 1 768 81 104 0 1MF C768 FNB1HK 104 0 1 C769 GCF21HP 222 2200 770 GCF21HP 222 2200PF 775 GFNB1HK 223 0 022 C774 QFNB1HK 223 0 022MF 801 0 20075 878 B700KF 802 0 20075 878 7 C803 QETB1HM 476 7 804 GETB1HM 476 7MF C805 QCS21HJ 101 100PF C809 QETB1bEM 476 7MF C810 GETB1bEM 476 le MF 811 106 10MF C812 GFN32AK 472 700PF 815 QETB1JM 107 100MF 814 QETB1JM 107 100MF QFH amp 2EK 104 1 QCE22HP 103A 0 01 82 472 4700PF GFN82AK 104 0 1MF GETB1HM 105 1MF QETB1AM 227 220MF CERAMIC B CERAMIC C CERAMIC DBS 100V ELECTRO 100V ELECTRO 50V ICERAMIC 50V ICERAMIC SOV ICERAMIC C 50V CERAMIC pov MYLAR SOV MYLAR CERAMIC ICERAMIC SOV POLE SOV NON POLE J SOV ICERAMIC 50 ICERAMIC 50V ICERAMIC SOV ICERAMIC CERAMIC o SOV 16V ELECTRO 16V ELECTRO 50V
12. sound For ordinary use the knob should be set to the normal position MASTER VOLUME Controls the volume of the speakers and head phones PHONES Headphones jack Plug stereo headphones into this jack for pri vate listening If you want to listen to sound from the head phone only press the SPEAKERS buttons to OFF SPEAKERS Press to switch the speakers connected to the SPEAKERS 1 2 terminals on and off CARTRIDGE AX 411BK only MC Press in when using MC car tridge having an output of less than 0 5 mV m Press again when using an or MC cartridge having an output of more than 0 5 mV TAPE 2 MONITOR ON Setto this position to listen to the tape deck connected to the TAPE 2 terminals of this unit If your tape deck is of the 3 head type you can monitor the recorded sound while recording by setting this button to ON OFF m Keepthis button set to this po Sition except when you want to listen to the tape deck connected to the TAPE 2 terminals of this unit Source selector TAPE 1 MONITOR Press to listen to a tape deck connected to the TAPE 1 terminals CD Press to listen to the source connected to the CD terminals TUNER Press to listen to radio broadcasts by a tuner connected to the TUNER terminals AUX Press to listen to the source connected to the AUX terminals PHONO Press to listen to records played by a turnta ble connected to the PHONO te
13. CARBON 12 1 QRD167J 202 CARBON 22 en QRD1674 103 CARBON vestit tee QRD167J 223 ONERE 52K n nil seb ier er x uds 9RD167J 105 f CARBON Ge QRD167J 101 CARBON PEE dA eee See QRD167J 101 CARBON 21 2 GRD14CJ 102S UNF CARBON Pik ee QRD14CJ 102S UNF CARBON ARBOR lU 77 QRD1674 163 ber 1 6W CARBON o BOE QRD167J 163 CARBON 1 5202 8801674 823 29016727352 5 58 QRD14CJ 121S QRD167J 595 59 QRD167J 153 15K BERT oe QRD167J 220 22 QRD125J 822 UNF CARBON 22 1005 QRD167J 391 CARBON QRD167J 391 CARBON S QRD167J 152 CARBON SAFETY PARTS QRD167J 152 CARBON 080167 333 CARBON Others QRD167J 333 ARBON QRD167J 391 ARBON SRE Or dns 26 EMG7331 002U FUSE CLIP env Tema tae CARBON EMG7331 002 FUSE CLIP 0 11 QRGO1CJ 392A 11943 002 CIRCUIT BOARD A A QRGO1CJ 392A 0 M FILM 11943 002 CIRCUIT BOARD B A GRGO1CJ 3924A O M FILM E11943 002 CIRCUIT BOARD C Q0GO1CJ 3924A O M FILM 11943 00285 CIRCUIT BOARD 085 A QRGO1CJ 331A M FILM 500209 029 HEAT SINK A QRGO1CJ 351A M FILM E305804 001 INSTRUCTION BOOK QRD167J 104 E305805 001 INSTRUCTION BOOK QRD167J 104 E35756 001 TIEBAND gt IL QRZ0077 4R7 65508 002 QRZ0077 4R7 65508 002 TAB C QRZ0077 4R7 65508 002 085 QRZ0077 4R7 70945 25 HEAT SINK QVPE601 501 E73525 003 SCREW COL EBBS OO nn QRD167J 101 CARBON SBSB3008CC SCREW QRD16743 101 CARBON SBSB300
14. CERAMIC CERAMIC SOV ICERAMIC SOV CERAMIC SOOV ICERAMIC SOOV ICERAMIC 500 1 SOOV CERAMIC 50 MYLAR C SOV MYLAR C SOV MYLAR C SOV MYLAR C SOV MYLAR B SOV MYLAR MYLAR 085 SOV MYLAR SOV MYLAR B SOV MYLAR C SOV MYLAR DBS SOV MYLAR A 50V MYLAR 8 SOV MYLAR SOV MYLAR DBS SOV MYLAR B SOV MYLAR SOV MYLAR DBS 50 0 0 SOV ICERAMIC MYLAR SOV MYLAR C 56 ELECTRO 56 ELECTRO ELECTRO SOV ELECTRO SOV ERAMIC SV ELECTRO 1257 ELECTRO 25V ELECTRO 100V MYLAR C 65V ELECTRO 63V ELECTRO M MYtAR 500 ICERAMIC 100 MYLAR C 100V MYLAR SOV ELECTRO 10V ELECTRO 311 Capacitors Resistors PART NUMBER DESCRIPTION AREA PART NUMBER DESCRIPTION REA QETB1CM 226 16V QETBIHM 475 50V 226 50V 105 50V QRD167J 181 180 QRD167J 181 180 QRD167J 181 180 QRD167J 181 180 0820077 330 53 A SAFETY PARTS QR20077 330 33 QRD167J 223 2K QRD167J 203 OK Resistors 0870077 330 3 7 0820077 330 53 TEM PART NUMBER DESCRI PT ON PCY sea slo 880167121523 SES A2K 7 76 CARBON QRD167J 222 CARBON 5 2 QRD167J 222 CARBON i Si QRD167J 104 CARBON 22 2 e QRD167J 104 CARBON pez lm 0801674 272 BER eme mama tt eme Weken QRD167J 202 ICAR30N 0212 eus QRD167J 202 CARBON 2 QRD167J 202
15. TERMINAL E67764 303 RAPPING TERMINAL E67764 304 WRAPPING TERMINAL OUTLET OLTAGE SELECTOR QMCO637 004 QSROOBS OO6U SAFETY PARTS SAFETY PARTS 2 10 No 20097 NT 311 Accessories List E30580 1517A Instruction Book 1 E30580 1517ABS Instruction Book 1 BT20029C Warranty Card 1 for Australia BT20060 Warranty Card 1 BT 20064A Warranty Card 1 BT20066A EEC Agency BT20098 Audio Warranty Card QZL1008 001 FTZ Information Sheet E43486 340A Safety Sheet Siemens Plug Safety Parts The Marks for Designated Areas E EF Continental Europe BS the U K G 6 West Germany U 6 599 Other Countries Australia No mark indicates all areas No 20 97 2 11 311 Packing Materials Part Numbers E26337 002 Packing Pad E73660 002 Sheet E300196 083 Except BS E300 196 083 BS Envelope E26337 001 Packing Pad PK AX311BKE E30038 2 996 Packing Case 2 12 No 20097
16. void the manufacturer s warranty and will further relieve the manufacturer of responsibility for personal injury or property damage resulting therefrom Many electrical and mechanical parts in the product have special safety related characteristics These characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage wattage etc Replacement parts which have these special safety characteristics are identified in the Parts List of Service Manual Electrical components having such features are identified by shading on the schematics and by on the Parts List in the Service Manual The use of a sub stitute replacement which does not have the same safety characteristics as the recommended replacement part shown in the Parts List of Service Manual may create shock fire or other hazards The leads in the products are routed and dressed with ties clamps tubings barriers and the like to be separated from live parts high temperature parts moving parts and or sharp edges for the prevention of electric shock and fire hazard When service is required the original lead routing and dress should be observed and it should be confirmed that they have been returned to normal after re assembling Leakage current check Electrical shock hazard testing After re assembling the product always perform an isolation check on the
17. 22 QRO1675 105 QRD167J 105 QRD1675 105 280167 105 9RD167J 105 QRD167J 105 QRD167 J 105 QRD167 7J 105 QRD167J 105 98801674 105 QRD167J 471 QRD167J 471 QRD167J 471 QRD167J 471 QRD167J 471 QRD167J 471 QRD167J 471 QRD167J 471 QRD167J 471 QRD167J 471 0820077 101 QRD167J 104 QRD167J 104 48 0167 103 QRD167J 474 QRD167J 102 QRD167J 102 QRD167J 12 QRD167J 471 QRD167J 471 080167 105 QRD167J 105 QRD167J 471 QRD167J 471 480167 105 QRD167J 105 QRD167J 102 QRD1675 333 0 01671 555 QRD167J 105 QRD167J 105 QRD167J 103 080167 103 QVDB87M EFSB QVDB87A E 24B QVD8A7B AFSVA QRD167J 122 0801674 122 4 42 4 4 QRD167J 12 QRD167J 122 QRD167J 122 980167 122 QRD167J 122 PARTS No 29097 2 9 311 QRD167J 472 QRD167J 821 0 0167 821 Ac SAFETY PARTS Resistors Others T afind QRD167J 122 E11942 002 IRCUIT BOARD QRD167J 122 305983 001 HOLDER GRD167J 122 J101 405 P PIN JACK QRD167J 122 J102 402 P PIN JACK QRD167J 112 1 16 1 6 CARBON 4105 402 P PIN JACK GR0167J 104 1104 EMNOOTV 402A P PIN JACK GRD167J 132 5201 ESPO001 018 TACT SWITCH QRD167J 152 5202 5 1 018 5 QRD167J 473 S203 ESP0001 018 TACT SWITCH 080167 4
18. 73 5204 5 1 018 SWITCH QRD167J 561 5205 ESP0001 018 TACT SWITCH 77 9801674 561 S206 8571101 PUSH SWITCH QRD167J 393 5210 GSTL101 EO4 PUSH SWITCH QRD167J 393 FW101l EWR23C 20NN FLAT WIRE QRD167J 474 870 1 6 CARBON FW102 EWR2ZSC 2ONN FLAT WIRE QRD167J 474 FW104 EWR23C 3ONN FLAT WIRE QRD167J 471 FW105 EWR23C 25NN FLAT WIRE QRD167J 471 FW109 EWR39B 20KST FLAT WIRE GRD167J 104 FW110 EWR23C 35NN FLAT WIRE RD167J 104 3 LOOK 1 64 CARBON FW111 EWR 5C 16NN FRAT WIRE 0 0 QRD167J 222 FW113 EWR34B 20SST FLAT WIRE GRD167J 222 FW114 EWR33B 13SST FLAT WIRE QRD167J 471 FW701 EWR23C 10JN FLAT WIRE QRD167J 471 FW702 EWR33B 13KST FLAT WIRE QVDBB7C E15B 00 705 EWRS7B 35KST FLAT WIRE QRD167J 203 FW801 EWR33B 10KST FLAT WIRE GRD167J 203 FW802 EWR33B8 13KST FLAT WIRE QRD167J 362 JT109 EMV7122 004 CONNECTOR GRD167J 362 T110 EMV7122 005 ONNECTOR QVDB87C E15B el K GRD167J 472 SAFETY PARTS TPS 318 Voltage Selector PC Board Ass y Except for Europe Australia West Germany the U K 00 ee 003 0 E e TPS 318 Capacitors PART NUMBER DESCRIPTION C R m A Others PART NUMBER DESCRIPTION C001 0 29018 103 0 01 CERAMIC 502057 002 CIRCUIT BOARD 65508 002 67764 302 WRAPPING
19. 8CC SCREW ERT D2WFL351S HERMISTOR 1701 EMV7122 003 CONNECTOR ERT D2WFL351S THERMISTO 4702 EMV7122 003 CONNECTOR QRD167J 471 CARBON 1 1751 EMBOOTP 801C SPEAKER TERMINAL IT QRD167J 471 CARBON J752 EMBOOTP 801C SPEAKER TERMINAL 0801674 391 CARBON 1753 QMS6A40 021 HEADPHONE JACK GRD167J 391 CARBON J801 EMV7122 003 CONNECTOR ERT D2WHL2025 THERMISTOR 1 4802 7122 003 CONNECTOR ERT D2WHL 2025 THERMISTOR 1701 7 010001 180 820077 272 L 02 010001 180 INDUCTOR 8820077 272 5701 GST4231 EO4 PUSH SWITCH QR20077 471 5702 GST4231 EO4 PUSH SWITCH QRZ20077 471 1 70859 001 EARTH PLATE C 4870077 100 7 003 70859 001 EARTH PLATE QR20077 100 704 EWR338 O8SST FLAT WIRE 0820077 100 41703 EMV7122 003 0870077 100 11704 EMV7122 004 CONNECTOR ERFO32K R22 RTOO1 67764 202 RAPPING A 4 ERFOS2K R22 0 22 DN CEMENT TT RTOO2 67764 202 RAPPING TERMINA A amp QRGO1CJ 100A RTOO3 E67764 203 RAPPING TERMINA B e QRGO1CJ 100A RTOO3 E67764 203 RAPPING TERMINA Di 2801259 101 RTOO3 67764 203 RAPPING TERMINA DBS QRD125J 330 A JRTO004 67764 202 RAPPING TERMINA B A 080125 330 RTOO4 67765 2020 RAPPING TERMINA C QRD125J 330 D 004 E67764 202 JRAPPING TERMINA DBS A QRD125J 101 C RT801 E67764 103 RAPPING TERMINA 080125 330 RY901 ESKSD24 218 RELAY D QRD125J 330 B 080125 330 D
20. Hz 50 kHz 0 05 8 ohms both channels driven Frequency response 5 Hz 80 kHz 0 3 dB 8 ohms Damping factor 90 1 kHz 8 ohms Input terminals Input sensitivity impedance 1 kHz PHONO 2 5 47 kohms CD AUX 200 mV 43 kohms TUNER TAPE 1 2 Signal to noise ratio PHONO 74 dB 66 CD AUX 104 dB 66 IHF 1 2 80 dB 78 REC OUT CD AUX 76 dB 78 IHF TUNER TAPE 1 2 SP OUT PHONO 67 dB DIN CD AUX 68 DIN TUNER TAPE 1 2 Tone controls TREBLE 8 1 dB 8 1 10 2 BASS 8 1dB 8 1dB at 100 Hz SUPER BASS 6 dB at 50 Hz Volume control at 30 dB position POWER SPECIFICATIONS Power consumption Areas Line voltage amp frequency AX 311BK 411 Continental Europe 220 V 50 Hz 220 watts 240 watts 240 Vw 50 Hz 510 watts 590 watts Australia AC 110 120 220 240 V Other areas selectable 50 60 Hz 220 watts 240 watts No 20097 1 3 AX 311BK CONECTION DIAGRAM ANSCHLUSSDIAGRAMM SCHEMA DE RACCORDEMENTS AANSLU ITINGSSCHEMA DIAGRAMA DE CONEXIONES ANSLUTNINGSSCHEMA Turntable Speakers Plattenspieler Lautsprecher Tourne disque Enceintes acoustiques Draaitafel Luidsprekers Tocadiscos Altavoces Skivspelare CD player H gtalare CD Player Lecteur de disque audionum rique Kompakt disk
21. QFN81HJ 182 DTC144ES DTA144ES 25 3068 25 3068 QFN81HJ 682 QFN81HJ 682 2 106 2 106 QFNB1HJ 222 QFN81HJ 222 2 106 EETB2AM 106E SAFETY PARTS PART NUMBER MAKER PART NUMBER 155133 155153 155153 MTZ3 3J 8 MTZ3 3JB 155133 155133 MT25 6JC 113 MTZ13JC MTZ6 8JC SLR 331VR50F070 SLR 331DU50F070 51 5510 50 070 SLR 331DU50F076 SLR 331DU50F070 SLR 34YCSOF165 SLR 34YCSOF165 518 35510070 070 MTZ5 1J3C QCBB1HK 221 QCBB1HK 221 QCBB1HK 471 QCBB1HK 471 221 QCBB1HK 221 QCBB1HK 221 QCBB1HK 221 QCBB1HK 221 QCBB1HK 221 QCBB1HK 221 QCBB1HK 221 GFN81HJ 103 QCHB1EZ 223 QCBBiHK 221 GCBB1HK 221 GCBB1HK 221 GCBB1HK 221 GETB1EM 107 QETB1EM 107 20 QGFN81HJ 562 QETBOJM 228 GFN81HJ 562 GFNB81HK 473 QETB1CM 107 QETB1HM 474 QETB1HM 475S GFV81HJ 104 QFVB1HJ 104 QCS21HJ 331 QCS21HJ 560 QCS21HJ 560 QCS21HJ 331 QCS21HJ 560 QCS21HJ 560 CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC MYLAR CERAMIC CERAMIC CERAMIC CERAMIC ELECTRO ELECTRO MYLAR MYLAR ELECTRO ELECTRO ELECTRO T FILM T FILM CERAMIC a SAFETY PARTS ICERAMIC MYLAR QFN81HK 153 QFN81HK 153 81 823 QFN81HK 823 QENS1HM 475 QENS1HM 475 QFNB1HK 332 QFNB1HK 332 QFN81HK 183 QFNB1HK 183 06821 221 0 521 221 81 122 QFN81HK 1
22. at the following test points of the power amplifier circuit board is within a range of 3 5 mV after the power is turned on L channel Measure the voltage between test point 4 emitter of Q761 and output at the test point B R channel Meaure the voltage between test point C emitter of 0762 and output at the test point D Right Channel R752 Qi Readjust resistors R751 and R752 about 10 minutes after the power is turned on the heatsink temperature must be sufficiently high so that the voltage at the test points becomes 11 mV Confirm that the voltage does not vary when the heat sink temperature increases further Note Be sure to perform the measurenent with the probes and cabinet of the measuring equipment separated from the grounding terminals of AX 311BK or other measuring equipment No 2097 1 7 L600Z 8 1 X8LLE XV EQUALIZER IC301 IC 101 SOURCE SELECTOR I Q104 0105 OFF mue 77 de BALANCE R205 O VOLUME SUPER BASS R211 144 TAPE 1 TAPE2 S 0701 0712 1 751 752 0753 0764 IC901 EC 2 Wes SUPERA gt PROTECTOR SYSTEM X SYSTEM 2 5702 IC 101 5 Back up L i 0901 0903 n ON 0801 0806 78 a REGULATOR POWER TRANSFORMER POWER S SUPPLY SOURCE SELECTOR BASS TREBLE EQUALIZER AMP R501 R511 l Power Indicator
23. e Fuse Fuse Protect Cover LA LA UJ NJ N afety Parts 02097 2 3 311 33 05986 001 Protect Cover U except U A AC Outlet E68587 008 Bracket E303216 001 Fastener 26334 001 Rear Panel 26334 002 Rear Panel QMP2560 244 QMP3900 200 QMP7600 200 9017 008 5 QHS3876 162 53876 16285 SBSG3008M SDSB3008M E73273 001 E73273 001 Power Cord Power Cord Power Cord Power Cord Cord Stopper GEF U BS except BS Cord Stopper Screw Screw Special Screw Special Screw 6 70078 001 GND Terminal E26336 001 Metal Cover E26336 002 Metal Cover E24134 008 Grill E61660 004 40010 10510 Spacer SBSG3006M Screw E49267 001 Olign Marking Label Special Screw Safety Parts The Marks for Designated Areas E EF eee Continental Europe EA the U K G 99 West Germany U 99 9 66690 Other Countries 9 9 9 099 Australia No mark indicates all areas 2 4 No 20097 8 2 60 3 8 ZZL HN3 C 2 es 2 2 m 75 gt c Wi sg a ZZ1 HN3 2 3
24. el 55 E26391 001 Front Panel E26332 001 Push Button Assy E60912 003 Speed Nut E73522 001 Indicator ol E ob CT 75286 001 Holder E75327 001 Indicator Sheet E72968 001 JVC Mark E48729 009 Plastic Rivet 060007 405 Spacer Volume Knob Power Button Push Button Push Button Push Button Knob Push Button Front Bracket Plastic Rivet Plastic Rivet Head Phone Bracket Screw Screw Push Switch Push Switch Switch Cover Bottom Cover Side Bracket Side Bracket Center Bracket E305980 001 E75079 001 E75073 001 E75073 002 E75182 001 05981 001 75117 001 11953 001 48729 008 48729 008 E75183 001 SBSG3008CC SBST3006CC QSP1106 004 QSP1106 004BS E71004 001 E26273 001 305810 001 305811 001 05812 002 75088 001 75088 002 GBSB3008CC E305803 002 65389 004 ETP1150 33EA ETP1150 33EABS ETP1150 33FA E303260 189 E75353 001 QMF51A2 2R5S QMF51A2 5ROS QMF51A2 2R5S QMF51E2 2R5SBS E306171 001 Power excepi BS Power BS BS Left Right Front Rear Foot Ass y Foot Ass y Screw Trans Bracket Special Screw NA bel gt a a ah ol o Power Transformer Power Transformer Power Transformer Rating Label Protect Cover __ gt Fus
25. exposed metal parts of the product antenna terminals knobs metal cabinet screw heads headphone jack control shafts etc to be sure the product is safe to operate without danger of electrical shock Do not use a line isolation transformer during this check e Plug the AC line cord directly into the AC outlet Using Leakage Current Tester measure the leakage current from each exposed metal part of the cabinet particularly any exposed metal part having a return path to the chassis to a known good earth ground Any leakage current must not exceed 0 5 mA AC r m s e Alternate check method Plug the AC line cord directly into the AC outlet Use an AC voltmeter having 1 000 ohms per volt or more sensi tivity in the following manner Connect 1 500 Q 10 resistor paralleled by a 0 15 uF AC type capacitor be tween an exposed metal part and a known good earth ground Measure the AC voltage across the resistor with the AC VOLTMETER AC voltmeter ae Having 1000 ohms volt or more sensitivity Move the resistor connection to each exposed metal part particularly any exposed metal part having a return path to the chassis and measure the AC volt age across the resistor Now reverse the plug in the AC outlet and repeat each measurement Any voltage on each exposed measured must not exceed 0 75 5 This 15000 10W metal part corresponds to 0 5 mA AC r m s Good earth ground Warning BONO
26. r is switched on again If this happens set the buttons etc again An electronic source selector is used in this unit When the POWER button is first switched on two or more sources or no source may be selected Make sure to in put the source select data by pressing one of the source selectors f the POWER button is pressed repeat edly to switch on and off too quickly the same phenomenon as the above will occur BASS Turn clockwise to boost bass response and counterclockwise to decrease it TREBLE Turn clockwise to boost treble response and counterclockwise to decrease it BALANCE Balances the volume between the left and right speakers Usually set it to the center click po sition CD DIRECT and indicator Press this button to enjoy listening to the CD with good sound quality The indicator lights and the signal fed from the CD terminals is directly connected to the volume bypassing the circuits on the way thus allowing you to enjoy listening to an improved sound quality Note e While the CD DIRECT button is pressed the reproduced sound does not change even if the source selector including TAPE 2 MONITOR and BALANCE volume are operated press the CD DIRECT button again to turn the indica tor off when using these Q SUPER BASS When sound volume is turned down the hu man ear tends to become less aware of bass sound At low sound levels the SUPER BASS knob can be used to emphasize the bass
27. rminals Source indicator The indicator corresponding to the source select button pressed lights AX 311BK No 2097 1 5 311 Removal Procedures Power transformer Front Panel Removing the Top Cover 1 Remove six screws 2 Remove the top cover by lifting up its rear section and pulling it backward while holding it on incline Removing the Front Panel 1 Remove the top cover 2 Pull out the volume knob 3 Remove three plastic rivets on the upper part of the front panel and three screws from the lower part Removing the Bottom Cover 1 Remove 17 screws fixing the bottom cover Note When installing the bottom cover properly insert the protect cover between the power transformer and the power primary PC board as shown in the figure at right 1 6 No 20097 Heat Sink Source Select PC Board Volume Knob Main Amplifier PC Board Removing the Power Transistors 1 Remove the top cover 2 Remove the bottom cover 3 Remove the retaining screw from the defective power transistor and replace it 311 Adjustment Procedures Power Amplifier Idling Adjustment Left Channel R773 R751 A Qi 1 49 Before turning on the power turn the the semi fixed resis tors R751 for L channel and R752 for R channel of the power amplifier circuit board fuily counterclockwise Adjust the semi fiexed resistor R751 and R752 so that the voltage
28. speler Tocadiscos compacto CD spelare LINE OLTS u 20 v mem ER RIGHI LINE OUT LINE IN PLAY LINE OUT PLAY Tuner Tape deck Tape deck Speakers Tuner Kassettendeck Kassettendeck Lautsprecher Syntoniseur Platine d enregistrement Platine d enregistrement Encientes acoustiques Tuner Cassettedeck Cassettedeck Luidsprekers Sintonizador Magent fono Magnet fono Altavoces Tuner Kassett bandspelare Kassett bandspelare H gtalare 8 Or 2338 1412 uM 1 Or Provided on units for Continental Europe the United Kingdom and Australia Vorhanden an Ger ten f r Kontinentaleuropa GroRbritannien und Australien Fourni sur les appareils pour l Europe Continentale le Royaume Uni et l Australie Aanwezig apparaten voor het Europese Vasteland Groot Brittanni en Australi Se provee en las unidades para Europa Continental el Reino Unido y Australia kontinentala Europa Storbritannien och Australien 1 4 No 20097 FRONT PANEL JVC E ES Ee 8 9 11 POWER and indicator Press this button to turn the power on To turn the power off press it again The indicator lights when the POWER button is pressed to on Notes When power is not supplied to this am plifier for 2 3 days the source select button pressed before the power was switched off may be lost when the pow e

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