JVC MX-GT91R Page 11 Service Manual Download

Page: 11 / 85

MX-GT91R

1-11

Prior to performing the following procedure, remove
the metal cover, the CD changer mechanism
assembly and the rear panel.

Remove the tow tie band attaching the wire to the
ampkifer board and voltage board.

Disconnect the wires from connector CN703, CN704
and CN706 on the amplifier board respectively.

Disconnect connector CN215 on the amplifier board
and CN216 on the voltage board from the regulator
board (The heat sink and heat sink bracket will be
detached at once).

Remove the four screws

attaching the amplifier

board to the heat sink.

Remove the two screws

, the board bracket and

the voltage board.

Removing the amplifier board / voltage
board / heat sink (See Fig.19 to 21)

Prior to performing the following procedure, remove
the metal cover, the CD changer mechanism
assembly and the rear panel.

Disconnect the wire from connector CN250 on the
power supply board.

Move the power cord stopper upward and pull out it
from the base chassis.

Disconnect the wire from connector CN218 on the
power supply board.

Remove the power supply board from the CN213 on
the r

egulator board.

Removing the power cord / power supply
board (See Fig.19)

Fig.19

Fig.20

Amplifier board

CN704
CN706

CN216

Regulator board

CN215

Tie band

CN703

Voltage board

Amplifier board

Heat sink

Voltage

board

Voltage board

Fig.21

CN218

Power supply
board

CN250

Power cord
stopper

Base chassis

Power
cord

CN213

Tie band

Summary of Contents for MX-GT91R

Page 1: ...static electricity Disassembly method Adjustment method 1 2 1 4 1 5 1 6 1 26 Flow of functional operation until TOC read Maintenance of laser pickup Replacement of laser pickup Description of major ICs 1 30 1 31 1 31 1 32 Contents Area Suffix B E EN U K Continental Europe Northern Europe SP MXGT91R SP MXGT91R PLAY EXCHANGE STANDBY ON CD R RW PLAYBACK STANDBY MX GT91R CA MXGT91R ...

Page 2: ...abinet 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 Plug the AC line cord directly into the AC outlet Using a Leakage Current Tester measure the leakage current from each exposed metal parts of the cabinet particularly any exposed metal part having a return path t...

Page 3: ...damage resulting therefrom 3 Essential safety critical components are identified by on the Parts List and by shading on the schematics and must never be replaced by parts other than those listed in the manual Please note however that many electrical and mechanical parts in the product have special safety related characteristics These characteristics are often not evident from visual inspection Par...

Page 4: ...lning är denna del är öppnad och spårren är urkopplad Betrakta ej strålen VARO Avattaessa ja suojalukitus ohitettaessa olet alttiina näkymättömälle lasersäteilylle Älä katso säteeseen ADVARSEL Usynlig laserstråling ved åbning når sikkerhedsafbrydere er ude af funktion Undgå udsættelse for stråling ADVARSEL Usynlig laserstråling ved åpning når sikkerhetsbryteren er avslott unngå utsettelse for strå...

Page 5: ...urce can easily destroy the laser diode 4 Handling the traverse unit optical pickup 1 Do not subject the traverse unit optical pickup to strong shocks as it is a sensitive complex unit 2 Cut off the shorted part of the flexible cable using nippers etc after replacing the optical pickup For specific details refer to the replacement procedure in the text Remove the anti static pin when replacing the...

Page 6: ...des of the body Remove the metal cover from the body by lifting the rear part of the cover 1 2 3 Disassembly method Main body Removing the metal cover See Fig 1 to 3 Do not break the front panel tab fitted to the metal cover CAUTION Fig 1 Fig 2 Fig 3 A A A Metal cover Metal cover B Metal cover B ...

Page 7: ...CD changer mechanism assembly Disconnect the card wires from connector CN870 CN871 and CN315 on the main board respectively Remove the tie band and disconnect the wire from connector CN703 on the amplifier board Disconnect the wire from connector CN220 on the transformer board 1 2 3 Removing the front panel assembly See Fig 6 to 10 To prevent damage to the CD fitting be sure to pull both the rear ...

Page 8: ... body Release the two joints a on the lower right and left sides of the body using a screwdriver and remove the front panel assembly toward the front 4 5 Fig 8 Fig 9 Fig 10 E Bottom Front panel assembly Joint a Joint a Front panel assembly Front panel assembly ...

Page 9: ...changer mechanism assembly Remove the screw G attaching the rear cover on the back of the body Push each tab of the four joints b in the direction of the arrow and release Remove the twelve screws F attaching the rear panel Release the joints c on each lower side of the rear panel using a screwdriver and remove the rear panel backward 1 2 3 4 Removing the rear cover rear panel See Fig 12 to 15 Not...

Page 10: ...CN201 and CN202 on the main board from the regulator board 1 2 3 4 Removing the main board See Fig 16 and 17 Prior to performing the following procedure remove the metal cover the CD changer mechanism assembly and the rear panel Disconnect connector CN217 on the speaker board from the regulator board 1 Removing the speaker board See Fig 18 It is not necessary to remove the main board REFERENCE Fig...

Page 11: ...e board 1 2 3 4 5 Removing the amplifier board voltage board heat sink See Fig 19 to 21 Prior to performing the following procedure remove the metal cover the CD changer mechanism assembly and the rear panel Disconnect the wire from connector CN250 on the power supply board Move the power cord stopper upward and pull out it from the base chassis Disconnect the wire from connector CN218 on the powe...

Page 12: ...ws K attaching the transformer assembly 1 2 3 4 5 Removing the power transformer assembly See Fig 22 and 23 Prior to performing the following procedure remove metal cover CD changer mechanism assembly rear panel tuner board main board amplifier board voltage board and speaker board Disconnect the wire from connector CN204 on the regulator board Remove the two screws L attaching the regulator board...

Page 13: ... attaching the display system control board If necessary disconnect the wire from connector CN911 on the front side of the display system control board and unsolder FW915 If necessary remove the CD play board Fig 28 1 2 3 4 Removing the display system control board See Fig 25 to 27 Remove the three screws P attaching the CD eject board If necessary unsolder FW915 on the CD eject board 1 2 Removing...

Page 14: ...front panel and remove the nut Pull out the sound mode knob and the subwoofer level knob toward the front Remove the thirteen screws R attaching the operation switch board Remove the wire clamp Remove the screw R attaching the earth terminal extending from the switch board Release each tab of the seven joints g retaining the operation switch board 1 2 3 4 5 Removing the operation switch board See ...

Page 15: ...nt of the body Disconnect the wire from two speaker terminals of the speaker tweeter 1 2 Removing the speaker tweeter See Fig 2 Prior to performing the following procedures remove the front panel Remove the four screws C attaching the speaker squawker on the front of the body Disconnect the wire from the two speaker terminals of the speaker squawker 1 2 Removing the speaker squawker See Fig 3 Spea...

Page 16: ...e wire from the two speaker terminals 1 2 3 Removing the speaker woofer See Fig 4 and 5 Prior to performing the following procedures remove the front panel Remove the six screws F attaching the sub panel on the back of the front panel Remove the sub panel toward the front 1 2 Removing the sub panel See Fig 6 Attention When reassembling the punch panel need to put glue all around this is important ...

Page 17: ... By removing the pawl at the section d fixing the return spring dismount the return spring See Fig 4 Remove the three lock levers See Fig 4 10 Fig 1 Fig 2 Fig 3 Fig 4 1 Remove the metal cover 2 Remove the CD changer mechanism assembly 3 From bottom side the CD changer mechanism assembly remove the four screws A retaining the CD servo control board 4 Absorb the four soldered positions a of the righ...

Page 18: ... 15 Manually turn the motor pulley in the clockwise direction until the lifter unit stopper is lowered from the section e of CD tray assembly See Fig 8 Pull out all of the three stages of CD tray assembly in the arrow direction f until these stages stop See Fig 6 At the position where the CD tray assembly has stopped pull out the CD tray assembly while pressing the two pawls g and g on the back si...

Page 19: ...ction k By raising the CD loading mechanism assembly in the arrow direction l remove the assembly from the lifter unit Fig 10 Fig 12 Fig 11 Fig 13 Removing the CD pick unit See Fig 13 1 2 3 4 Move the cam gear in the arrow direction m Then the CD pickup unit will be moved in the arrow direction n According to the above step shift the CD pickup unit to the center position While pressing the stopper...

Page 20: ...am gear q align the Paul r position of the drive unit to the notch position Fig 16 on the cam gear q Pull out the drive unit and cylinder gear See Fig 17 While turning the cam gear q align the Paul s position of the select lever to the notch position Fig 18 on the cam gear q Remove the four screws H retaining the cam unit cam gear q and cams R1 R2 assembly See Fig 18 Cam gear q Drive unit r G H J ...

Page 21: ...t in the arrow direction remove the gear bracket See Fig 18 From the notch u section on the chassis assembly fixing the edge of gear bracket remove and take out the gear bracket See Fig 19 Remove the belts respectively from the right and left actuator motor pulleys and pulley gears See Fig 18 After turning over the chassis assembly remove the actuator motor while spreading the four pawls v fixing ...

Page 22: ...am gear q See Fig 22 1 2 3 4 Remove the slit washer fixing the cams R1 and R2 assembly By removing the two pawls w fixing the cam R1 separate R2 from R1 Remove the slit washer fixing the cam gear q Pull out the cam gear q from the C G base assembly Removing the C G base assembly See Fig 22 and 23 Remove the three screws J retaining the C G base assembly Fig 23 Slit washer Pawl Cam R2 Slit washer C...

Page 23: ...uth screw retaining the playback head 7 Take out the playback head from the front of the head mount 8 The recording and eraser heads should also be removed similarly according to Steps 1 7 above Reassembling the playback recording and eraser heads See Fig 3 1 Reassemble the playback head from the front of the head mount to the position as shown in Fig 3 2 Fix the reversing azimuth screw 3 Set the ...

Page 24: ...assembly See Fig 5 to 7 1 Remove the six screws B retaining capstan motor assembly See Fig 5 2 While raising the capstan motor remove the capstan belts A and B respectively from the motor pulley See Fig 6 Caution 1 Be sure to handle the capstan belts so carefully that these belts will not be stained by grease and other foreign matter Moreover these belts should be hand while referring to the capst...

Page 25: ... b fixing the capstan shafts R and L and pull out the flywheels R and L respectively from behind the cassette mechanism Removing the reel pulse board and solenoid See Fig 11 1 Remove the five pawls c d e f g retaining the reel pulse P C Board 2 From the surface of the reel pulse P C Board parts remove the two pawls h and i retaining the solenoid Capstan motor Joint bracket Flywheel R Flywheel L Fl...

Page 26: ...ation frequency 400Hz Frequency displacement 22 5kHz Frequency Range AM MW 531kHz 1710kHz LW 144kHz 288kHz FM 87 5MHz 108MHz Standard measurement positions of volume and switch Power Standby Light STANDBY Indicator Sub woofer VOL Minimum Sound mode OFF Main VOL 0 Minimum Traverse mecha set position Disc 1 Mic MIX VOL MAX Precautions for measurement 1 Apply 30pF and 33kohm to the IF sweeper output ...

Page 27: ...ction Back side Cassette Mechanism Unit Section Head azimuth adjusting screw Forward side Head azimuth adjusting screw Reverse side Head azimuth adjusting screw Forward side Head azimuth adjusting screw Reverse side Playback head Playback recording and eraser heads or playback head Tape speed ADJ Bias ADJ L Bias ADJ R ...

Page 28: ...ecorder section Items Measurement conditions Measurement method Standard values Adjusting positions After setting to the double speed motor confirm that the frequency counter reading becomes 4 800 400 300Hz when the test tape VTT712 3kHz has been play back with the playback mechanism When the test tape VTT712 3kHz has been played back with the playback mechanism or recording and playback mechanism...

Page 29: ...minal Both recording and headphone terminals Reference frequency 1kHz and 10kHz REF 20dB Test tape TYP AC 225 Measurement input terminal OSC IN AC 225 4 20 A Output deviation between 1kHz and 10kH 1dB 2dB LcH VR101 RcH VR201 LcH VR101 RcH VR201 Electrical performance Items Measurement conditions Measurement method Standard values Adjusting positions 1 While changing over to and from BIAS 1 and 2 c...

Page 30: ... Automatic measurement of TE amplitude and automatic tuning of TE balance 500mv div 2ms div Fig 1 Approx 3sec pin 25 of IC601 TE Approx 1 8V VREF Tracking error waveform at TOC reading Power ON Play Key Confirm that the Focus error S cuve signal at the pin28 of IC651 is approx 2Vp p Confirm that the signal from pin24 IC651 is 0V as a accelerated pulse during approx 400ms Confirm the waveform of th...

Page 31: ...e of the laser diode has expired the following symptoms will appear 1 The level of RF output EFM output ampli tude of eye pattern will below Is the level of RFOUT under 1 25V 0 22Vp p Replace it NO YES O K 3 Semi fixed resistor on the APC PC board The semi fixed resistor on the APC printed circuit board which is attached to the pickup is used to adjust the laser power Since this adjustment should ...

Page 32: ...amplifier input R1 R2 I Playback amplifier input NF2 Playback amplifier negative feedback OUT2 Playback amplifier output EQ2 I Equalizer CTL2 I Pre Amplifier input switching time constant RIN2 I Recording amplifier input RNF2 I Recording amplifier negative feedback ROUT2 O Recording amplifier output O LC I ALC low cut LPF I ALC low pass filter GND I Vcc Power supply RF I Ripple filter EQCTL EQ con...

Page 33: ... IN1 2 IN1 3 VEE 4 BA15218F XE IC652 BA15218N IC481 501 502 526 546 571 Dual op amp 1 Pin layout 2 Block diagram Q19 Q17 Q16 OTHER CH R9 R6 R8 R7 R5 R4 R3 R2 R1 D1 C1 Q18 Q13 Q11 Q8 Q5 Vcc VEE OUTPUT IN IN Q1 Q3 Q4 Q2 C2 Q9 Q6 Q7 Q10 Q12 Q14 Q15 Q114 ...

Page 34: ...nal Output selection control terminal Output selection control terminal Output selection control terminal Output selection control terminal Non connect Non connect Connected to GND upon normal use Multi plexor output terminal Connect to GND I O O O O O No Symbol I O Function 2 Pin Function 1 Block Diagrams BA3835S IC812 SPI B P F 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 BIAS VREF REFERENCE CUR...

Page 35: ...OPEN DRAIN 12BIT STRAGE RESISTER 12BIT SHIFT RESISTER 1 Terminal Layout 1 2 3 4 5 16 17 18 Vss DATA CLOCK LCK Q0 Q11 OE Vdd I I I O I Connect to GND Serial Data input Shift Clock of Data Latch Clock of Data Parallel Data Output Output Enable Power Supply Pin No Symbol I O Function Latch Data L H OUTPUT ON OFF 2 Pin Function BU2092 F IC811 PORT EXPANDER ...

Page 36: ...R AM OSC REG AM RF AFC AM AGC O I O I I I AM Local oscillation Signal output This is a terminal of AM Local oscillation circuit Register value between pin 26 and pin28 desides the frequency width of the input signal AM RF signal input This is an output terminal of voltage for FM AFC This is an AGC voltage input terminal for AM O O I O AM detection output FM detection output Mpx input terminal O O ...

Page 37: ...uts ON OFF BTL AMP 1 input pin BTL AMP 1 input pin For gain adjustment BTL AMP 1 input pin Non inverting side BTL AMP 1 input pin Inverting side BTL AMP 2 input pin Inverting side BTL AMP 2 input pin Non inverting side BTL AMP 2 input pin For gain adjustment BTL AMP 2 input pin External transistor collector PNP connection 5V power supply output External transistor PNP base connection Reset output ...

Page 38: ...OPEN DRAIN 12BIT STRAGE RESISTER 12BIT SHIFT RESISTER 1 Terminal Layout 1 2 3 4 5 16 17 18 Vss DATA CLOCK LCK Q0 Q11 OE Vdd I I I O I Connect to GND Serial Data input Shift Clock of Data Latch Clock of Data Parallel Data Output Output Enable Power Supply Pin No Symbol I O Function Latch Data L H OUTPUT ON OFF 2 Pin Function BU2092 F IC811 PORT EXPANDER ...

Page 39: ...in functions 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pin No Symbol Function VREF MPXIN Vdda Vssa FLOUT CIN TEST XOUT XIN Vssd Vddd MODE RST RDDA RDCL RDS ID READY I O O O O O O I I I I I I I O Reference voltage output Vdda 2 Baseband multiplexed signal input Analog power supply 5V Analog ground Subcarrier input comparator input Sub carrier input filter output Test input Crystal oscillator input ext...

Page 40: ... TUNER data input SLC TUNER clock Not used Power supply 5V Oscillation terminal 8MHz Connect to GND Not used Connect to GND Connect to GND Key matrix input 1 4 SLC Key input 1 SLC Key input 2 Not used SPI Analog data input AD 5V VC3 Ready Micon reset Bass volume Bass volume Aux muting RDS Data Karaoke SPI A data SPI B data Remote control signal input SLC Photo A SLC Photo B Soundmode reverse RDS C...

Page 41: ...ent control signal output Tuner chip enable System mute Skip LED LED Control signal output CD1 LED Control signal output CD2 LED Control signal output CD3 Reverse skip Music scan input Tuner stereo indicator Backup mode detect Forward skip Rotary encoder VOL Rotary encoder VOL Soundmode foeward B for FL O O O O O O O I I I I I I I I Pin No Symbol I O Function Pin function 2 2 ...

Page 42: ... MLD MCLK MDATA DSL PLL VCO SUB CODE BUFFER SSEL SQCK SUBQ CLVS CRC BLKCK CLDCK SBCK SUBC DEMPH FLAG6 RESY EFM DEMODULATION SUBCODE DEMODULATION SYNC INTERPOLATION 16k SRAM CIRC ERROR CORRECTION DE INTERLEAVE LRCKIN MSEL BCLK SSEL SRDATAIN PSEL IOSEL DIGITAL DE EMPHSIS 8TIMES OVER SAMPLING DIGITAL FILTER 1bit DAC PWM LOGIC PWM R PWM L DIGITAL AUDIO INTERFACE CLV SERVO INTERPOLATION SOFT MUTING DIG...

Page 43: ...t Tracking drive output Focus drive output Reference voltage input pin for D A output block TVD FOD FBA TBAL Focus Balance adjust signal output Tracking Balance adjust signal output Focus error signal input Analog input Tracking error signal input Analog input RF envelope signal input Analog input Vibration detect signal input H detect Off track signal input H off track Track cross signal input RF...

Page 44: ... VOLUME TREBLE TREBLE MIDLE MIDLE SPEAKER ATT RIGHT SPEAKER ATT LEFT BASS BASS SUPPLY G G I C BUS DECODER LATCHES 2 0 30dB 2dB STEP INPUT MULTIPLEXER GAIN CSL DIG GND TREBLE R TREBLE L MIN L MOUT L BOUT L BIN L BOUT R BIN R MOUT R MIN R INR MUXOUTR INL SDA CRE Vs AGND ROUT LOUT R IN4 R IN3 R IN2 R IN1 L IN1 L IN2 L IN3 L IN4 MUXOUTL TDA7439 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 30 29 28 27 26 25 24 ...

Page 45: ...2 Input Output Mode IN1 IN2 OUT1 OUT2 Brake 0 0 0 0 1 0 1 0 0 1 0 1 1 1 0 0 CLOCKWISE COUNTER CLOCKWISE Brake LB1641 IC851 IC852 DC motor driver 1 Pin layout 2 Pin function BA3126N IC301 R P Switch R E C S W G 1 2 3 4 5 6 7 8 9 P B S W P B S W G R E C S W C O N T G N D V c c ...

Page 46: ...W 1MSW 3MSW A C B D E F F T FM SM ARF TX CD OUT M M 6 UP NG OCUS D MICOM IC 810 FL DISPLAY FL 801 CN880 CN870 CN911 FW901 FW915 FW915 KEY LED SEARCH KNOB LED MAIN VOL WOOFER VOL SOUND MODE KEY LED KEY1 11 CD1LED CD2LED CD3LED SEARCH R F KEY21 22 VOL KEY2 3 21 32 41 42 KCMND MSTAT KCLK MRDY MPX VOLDA VOKCK M M FMN 008 FMB 028 3 DIGITAL OUT TX DLE FMB 028 1 FMC 022 024 1 FMA 006 FMH 031 2 FMH 031 1 ...

Page 47: ...50 R253 RY3 D256 C253 QQT0320 002 T3 15AL T2AL T3 15AL QGA7901F1 03 QGA7901F1 03 QQT0253 002 1SS133 QQT0320 002 1N4003 QJK015 071214 QGD2504C1 03Z QGD2504C1 03Z 2SC2785 QJK015 071214 QJK015 071214 3 3k T2AL 1SS133 0 0047 250 QGB2510K2 04 T4AL QQT0320 003 T4AL T4AL 2SC2235 6A 125V 5A 125V 6A 125V T3 15AL QGD2504C1 03Z T4AL T4AL QQT0320 003 QGD2504C1 03Z QJK015 071214 QGD2504C1 03Z QJK015 071214 QGA...

Page 48: ...1 Q792 QGB2510J1 14 QGB2510K2 14 QGA3901C1 07 QGB2510J1 09 QGB2510K2 10 QSK0109 001 QSK0109 001 QGB2510J1 10 KRA111M T 1 2SD2395 KTC3199 GL 1 2K 1 2K 200 200 330 MTZJ5 1B 330 KTC3199 GL 10K 0 33 KIA7812API KRC104M T 1 0 022 0 022 2 2 KIA7808API KIA7809API QQR0779 001Z QNZ0136 001Z 2 7K 0 01 0 022 2A02M 1 1 KTC3199 GL T 100 35 10K 1SS133 10K 4 7 1N4003S T5 1N4003S T5 0 01 KTA1023 0Y T 56K 4 7p 220P...

Page 49: ...4 7k 4 7k KRA102M T 33K QGF1205C1 10 QGF1205C1 17 8 2k QGF1205C1 17 30k 30k 100k 100P 1 50 470 10 22K 100 10 6 8K 10K 100 0 22 4 7 50 10K QRJ146J 4 7X 1SS133 T2 100P MTZJ5 1B T2 QGF1016F3 19 47 16 1k 1k 1k 220k 5 6k 1k 1k 10K 0 1MY 10K 0 1 220 10 QUM156 18DGZ4 15k QQR0779 001 100 6 3 2SC2785 FE T 10K 2SC2785 FE T 2SC3576 JVC T 220k 47 16 47 16 2SC2785 FE T 47k 100p 47k 33K 220 1k 470P 1SS133 T2 0 ...

Page 50: ...02M T 22 50 1K 1K 0 1MY BA3835S 0 1MY QQL29BJ 100Z QQL29BJ 100Z QQL29BJ 100Z QQL231K 220Y 22 50 MN101C35DEA 100K 0 22 50 10K KRC104M T KRC104M T 100K 100K 10K 0 22 50 680k 1K 1K 1K 1K 1K 1K 1K KRC102M T 0 001 33P 33P 2 2 50 MTZ6 2JC 1N4003S T5 100K 100K 0 1MY 1SS119 02 T2 MTZ6 2JC 1 5MY 470 6 3 1N4003S T5 100K 1SS119 02 T2 5 6K 100K 100K 2SD1991A RS T 0 01 100K 100K 100K 10K 10K 10K 10K 1 2K 10K 1...

Page 51: ...19 R920 C1022 C1023 VR901 R1071 R1070 C1065 C1067 R1067 R1066 C1063 R1061 C1062 C1061 R1065 R1064 C1064 R918 QUB220 15DMHP QUM027 18Z4Z4 0 01 222P 0 01 QUM027 13DGZ4 102P 0 01 QSW0911 001 MTZJ2 4B T2 MTZJ2 4B T2 10K 0 01 0 01 QSW0862 001 QNS0183 001 QUB220 15DMHP QQL231K 470Y QUB023 33DGZ4 QSW0912 001 0 01 QSW0911 001 0 01 20K 4 7k 4 7k QNS0184 001 QNS0184 001 2SD2144S VW T NJM4580L 0 22 50 1K 330...

Page 52: ...2K 56P 0 022 0 022 LB1641 LB1641 NI 270K 220K 0 001 0 001 10 1K QGA2001C1 06 150 10K 1K MN662748RPM 39k 4 7 470P 12P QAX0413 001Z 12P NI 1K 0 1 25 0 1 25 1K BA15218F XE BA15218F XE 0 047 2K 6 8K 10 16 5 6K 10K 100 10K 820 820 220 10 100 220 0 0068 0 0068 NI NI 390P 1K QGF1016F3 19 NI 1K 10K 390P 10K 0 047 NI NI NI NI 150k 2SB1357 EF T 10K 1 2K 47 10 1K 390k 1K 1K 1K 1K 1K 22K 0 022 2200p 1K 1 16 1...

Page 53: ...H A B C D E F G 2 8 MX GT91R TAPE P B signal SHEET 3 8 SHEET 4 8 SHEET 7 8 mplifier section Parts are safety assurance parts When replacing those parts make sure to use the specified one ...

Page 54: ...40 C3 R6 C9 R60 C60 QAU0160 001 DTA114YKA X 0 27 QAX0610 001Z 56 QAX0420 001 12P 2SC2412K R X 1 50 LC72723 0 1 LC72136N 0 047 0 1 3 3K 68 1 4W FR 100 10 12P 12P 4 7K 10 50 100 4 7 12P 10K 3 3K 5 6K 10K 0 047 150P 560P 10K LA1838 100 10 0 001 QAX0458 001Z 33P 10P QGF1205F1 13 10 16 39K 10 16 22 16 0 0018 39K 0 0018 10K 0 022 1 50 1K 0 1 0 0022 100 10 0 001 1K 150P 330P 150P 0 01 0 01 0 47 50 1SS133...

Page 55: ...3 R564 R571 R572 R575 R576 R577 R579 R580 R581 R582 R583 R585 R586 R587 R588 R593 R594 R595 R596 R597 R598 R599 R1201 R1202 R1203 R1204 R1205 R1206 R1207 R1208 R1209 CN661 CN504 R410 CN315 TW6 TW5 TW1 B132 R999 TW8 R997 TW7 R996 TW9 TW10 C888 C889 C887 C886 J411 TW11 TW12 R993 Q999 D593 R886 C994 C1228 C1227 C1229 CN11 FW401 FW401 CN870 CN871 R995 C999 C998 C997 C996 TW4 TW3 R888 R887 R777 R776 C9...

Page 56: ...E E B B E E B E B E B E B E B E B 1 1 B B E B E B B E HPL A GND HPR E E B E B E 1 L R L E B R FAN FAN E B 14 MAINR MAINL SWR SWL POUT SURR PRT M GND 12V VL A GND VL VH VH C901 C902 D904 D905 JS901 Q901 R901 R908 R904 S901 S902 FW901 E B 1 7 7 1 FW901 DGND NC SEARCHLED F SEARCH R SEARCH 5V KEY21 C201 C202 C203 C204 C205 C211 C212 C213 C214 C215 C216 C217 C218 C219 C220 C221 C222 C223 C253 C280 C281...

Page 57: ... CK SLCKEY1 DGND SLCKEY2 PHOTOB PHOTOA 1 9 B B B E E E B E E B B E E B 1 3 22 B E B E 9V MIC E E B B E B R151 1 7 KEY21 5V R SEARCH F SEARCH SEARCHLED KEY22 DGND CN911 C651 C652 C653 C654 C732 C733 C734 C735 C736 C737 D650 R650 R651 R731 R732 RY1 RY2 CN217 J81 1 10 RELAY B2 SWLGND MAINR MRGND MAINL SWRGND S WRD MLGND S WL T001B C301 C302 C305 C306 C307 C308 C309 C310 C311 C312 C360 C361 C362 CP301...

Page 58: ... R658 R659 R661 R662 R663 R664 R665 R666 R667 R669 R670 R682 R683 R685 R686 R687 R688 R691 R692 R695 R696 R701 R702 R703 R704 R705 R706 R707 R708 R709 R710 R801 R802 R803 R804 R805 R806 R807 R808 R809 R811 R812 R813 R831 R832 R842 R851 R852 R853 R854 R855 R856 R861 R862 R863 R864 R865 R866 R871 R872 R873 R874 R875 R876 R880 R881 R882 R883 R884 R885 R886 R887 R888 R889 R890 R891 R892 R893 R894 R895...

Page 59: ...eral assembly and parts list CD changer mechanism assembly and parts list CD mechanism assembly and parts list Cassette mechanism assembly and parts list Electrical parts list Packing materials and accessories parts list MX GT91R 3 3 3 6 3 8 3 9 3 13 3 26 Area suffix B U K E Continental Europe EN Northern Europe CA MXGT91R SP MXGT91R ...

Page 60: ...0 55 88 56 88 44 48 47 46 45 46 47 54 52 51 86 93 91 95 97 92 90 91 94 91 87 96 65 64 68 67 78 71 85 72 70 70 63 63 62 69 66 77 69 75 74 69 40 42 43 41 82 76 41 83 41 40 32 33 35 34 36 37 25 26 53 53 53 103 101 102 116 115 59 58 60 89 Exploded view of general assembly and parts list Block No M M M 1 Operation switch board Display system control board Preset tuning switch board CD eject board CD se...

Page 61: ...s number Parts name Area A Parts list General assembly Q ty Description Block No M1MM 49 QYSPST2606Z SCREW 1 50 VKW5187 001 ROD 1 51 QUQ610 1509AJ FFC WIRE 1 52 VDM1001 M002AV WIRE TUBE 1 53 QYSBSF2608Z T SCREW 4 54 VYSA1R2 033 SPACER 1 FOR VDM1001 M002AV 55 E309662 001SM DISC STOPPER 1 56 QYSBSF3008Z SCREW 1 FOR DISC STOPPER 58 GV40189 001A FAN BRACKET 1 59 QYSBSF3010Z SCREW 2 FAN BRKT CD MECHA 6...

Page 62: ...4A CD FITTING 3 1 DISC 3 104 GV30179 001A VOLUME KNOB ASSY 1 105 GV30180 001A SUB WFR KNOB ASSY 1 106 GV30181 001A SND MODE KNOB ASSY 1 107 GV30182 001A CD FWD KNOB ASSY 1 108 GV20098 005A WINDOW SCREEN 1 109 GV40181 001A MIRROR SHEET 1 110 GV30155 001A VOLUME RING 1 111 GV30151 001A SUB WOOFER RING 1 112 GV30152 001A SOUND MODE RING 1 113 GV30153 001A CD FORWARD RING 1 114 GV40186 001A NUT 1 FOR ...

Page 63: ...09B FL 7750 FIG B FIG A CAUTION The axes of each gear to apply grease Half face H H FIG A Opposite side the same FIG C 40 29 30 39 31 36 41 37 32 42 38 35 34 42 33 42 13 16 8 17 7 6 24 25 4 4 3 3 45 44 43 26 23 22 21 20 27 27 19 10 12 5 6 11 5 6 18 9 46 1 2 2 15 15 52 47 47 FIG C FIG B 51 51 50 49 48 28 14 47 ...

Page 64: ...002MM CAM R1 1 23 VKS2264 002MM CAM R2 1 24 VKS2265 002MM CAM GEAR L 1 25 WDL316050MM SLIT WASHER 1 FOR CAM GEAR L 26 WDL316050MM SLIT WASHER 1 27 QYSBSF2608Z T SCREW 4 FOR C GEAR BASE 28 VKS3702 00FMM DRIVE UNIT 1 29 VKS2247 004 MECHA HOLDER A 1 30 VKL7767 00D BRACKET ASS Y 1 31 QYSBSF2606Z SCREW 2 FOR BRACKET 32 VKM3860 00C M HOLDER B AS Y 1 33 VKL7802 00D M HOLDER C AS Y 1 34 QYSDST2604Z SCREW ...

Page 65: ...Block No M3MM 1 E102731 221SM CD MECHA BASE A 1 2 OPTIMA 7B CD PICK 1 3 E406777 002SM CD SHAFT 1 4 LV31002 001A CD RACK 1 5 E307745 441SM CD GEAR 3 1 6 QYSDSP2003N SCREW 4 7 E406750 442SM PINION 1 8 EPB309173PKA T T PACKING 1 9 E406784 001 FEED MOTOR 1 10 QAR0130 001 SP MOTOR 1 11 EMW10190 441 CIR BOARD 1 12 QGA2001F1 06 6P PLUG ASSY 1 13 QSW0506 001 LEAF SW 1 14 E75832 221SS SPECIAL SCREW 1 15 QY...

Page 66: ...7 8 2 3 14 18 21 31 20 22 17 28 26 34 34 36 35 36 36 33 32 36 26 31 28 21 18 14 2 4 8 22 17 20 30 30 24 37 37 37 37 2 1 1 5 7 13 25 25 19 D C A B E D B C A F F Head amplifier mechanism control board Cassette switch board Cassette mechanism assembly and parts list Block No M M M 4 9 7 0 1 0 15 mm 33 32 ...

Page 67: ...2 14 VKS1166 003 CONTROL CAM 2 15 VKW5279 001 HEAD BASE SP R 2 16 VKW5280 001 HEAD BASE SP L 2 17 VKS5603 00G MAIN PULLEY ASY 2 18 VKS3785 001MM FR ARM 2 19 VKW5284 002 SWING SPRING 2 20 VKS2278 003 TRIGGER ARM 2 21 VKW5301 001 FR SPRING 2 22 VKW5266 001 ELEVATOR SPRING 2 23 WDL214025 WASHER 2 24 QYSBSF2005Z T SCREW 2 25 VKS3786 00G CLUTCH ASS Y 2 26 VKF3205 00B F WHEEL ASSY R 2 27 WDL183425 SLIT ...

Page 68: ...MX GT91R 3 11 18 1 20 25 28 26 17 B mecha A mecha Grease point JC 525 UD 24 LEN 320M MOBIL 1 Grease ...

Page 69: ...MX GT91R 3 12 9 13 5 6 1 A A 2 1 2 places 2 3 D D 2 1 14 E E 5 1 13 1 14 10 16 15 5 13 9 7 12 1 5 A A A A B B 8 2 3 14 D D C E C E 8 C C 2 1 7 B B 2 1 1 Front view Rear view Dipping ...

Page 70: ...63V C 709 QCSB1HK 4R7Y C CAPACITOR 4 7PF 10 50V C 710 QCSB1HK 4R7Y C CAPACITOR 4 7PF 10 50V C 711 QFV72AJ 104Z MF CAPACITOR 10MF 5 100V C 712 QFV72AJ 104Z MF CAPACITOR 10MF 5 100V C 713 QFLM1HJ 473Z M CAPACITOR 047MF 5 50V C 714 QFLM1HJ 473Z M CAPACITOR 047MF 5 50V C 715 QFLM1HJ 473Z M CAPACITOR 047MF 5 50V C 716 QFLM1HJ 473Z M CAPACITOR 047MF 5 50V C 721 QETN1HM 106Z E CAPACITOR 10MF 20 50V C 722...

Page 71: ...141J 221Y C RESISTOR 220 5 1 4W R 618 QRE141J 221Y C RESISTOR 220 5 1 4W R 619 QRE141J 222Y C RESISTOR 2 2K 5 1 4W R 620 QRE141J 222Y C RESISTOR 2 2K 5 1 4W R 621 QRE141J 103Y C RESISTOR 10K 5 1 4W R 623 QRE141J 103Y C RESISTOR 10K 5 1 4W R 639 QRL01DJ 821X OMF RESISTOR A 820 5 1 1W R 640 QRL01DJ 821X OMF RESISTOR A 820 5 1 1W R 652 QRT01DJ R22X UNF MF RESISTOR A 5 1 1W R 653 QRT01DJ R22X UNF MF R...

Page 72: ... 103Y C RESISTOR 10K 5 1 4W R 790 QRE141J 103Y C RESISTOR 10K 5 1 4W R 792 QRE141J 102Y C RESISTOR 1 0K 5 1 4W R 793 QRE141J 104Y C RESISTOR 100K 5 1 4W R 794 QRE141J 103Y C RESISTOR 10K 5 1 4W R 795 QRE141J 103Y C RESISTOR 10K 5 1 4W R 796 QRE141J 682Y C RESISTOR 6 8K 5 1 4W R 797 QRE141J 203Y C RESISTOR 20K 5 1 4W R 798 QRJ146J 100X UNF C RESISTOR A 10 5 1 4W R 904 QRE141J 680Y C RESISTOR 68 5 1...

Page 73: ...CAPACITOR 10MF 20 16V C 510 QETN1HM 475Z E CAPACITOR 4 7MF 20 50V C 514 QFLC1HJ 471Z M CAPACITOR 470PF 5 50V C 526 EETC1AM 107ZJC E CAPACITOR C 527 QFLM1HJ 103Z M CAPACITOR 010MF 5 50V C 528 QFLM1HJ 104Z M CAPACITOR 10MF 5 50V C 530 QFLM1HJ 104Z M CAPACITOR 10MF 5 50V C 531 QFVJ1HJ 334Z MF CAPACITOR 33MF 5 50V C 532 QETN1CM 476Z E CAPACITOR 47MF 20 16V C 534 QETN1CM 476Z E CAPACITOR 47MF 20 16V C ...

Page 74: ... QRE141J 103Y C RESISTOR 10K 5 1 4W R 495 QRE141J 101Y C RESISTOR 100 5 1 4W R 496 QRE141J 102Y C RESISTOR 1 0K 5 1 4W R 498 QRE141J 101Y C RESISTOR 100 5 1 4W R 501 QRE141J 332Y C RESISTOR 3 3K 5 1 4W R 502 QRE141J 332Y C RESISTOR 3 3K 5 1 4W R 503 QRE141J 303Y C RESISTOR 30K 5 1 4W R 504 QRE141J 104Y C RESISTOR 100K 5 1 4W R 505 QRE141J 223Y C RESISTOR 22K 5 1 4W R 506 QRE141J 223Y C RESISTOR 22...

Page 75: ...NECTOR CN880 QGF1210G1 22 FFC SOCKET ASSY CN890 QGF1205F1 22 CONECTOR CN911 QGD2503F1 07 SOCKET C1001 QDXB1CM 392Y C CAPACITOR C1002 QDXB1CM 392Y C CAPACITOR C1004 QDGB1HK 102Y C CAPACITOR C1070 QDXB1CM 222Y C CAPACITOR D 313 MTZJ8 2B T2 DIODE D 314 MTZJ13B T2 Z DIODE D 315 MTZJ9 1B T2 ZENER DIODE D 360 MTZJ5 1B T2 ZENER DIODE D 361 MTZJ11C T2 Z DIODE D 362 MTZJ6 8C T2 Z DIODE D 650 1SS133 T2 SI D...

Page 76: ...02Y C RESISTOR 1 0K 5 1 4W R 825 QRE141J 104Y C RESISTOR 100K 5 1 4W R 826 QRE141J 104Y C RESISTOR 100K 5 1 4W R 827 QRE141J 103Y C RESISTOR 10K 5 1 4W R 828 QRE141J 103Y C RESISTOR 10K 5 1 4W R 829 QRE141J 103Y C RESISTOR 10K 5 1 4W R 831 QRE141J 104Y C RESISTOR 100K 5 1 4W R 832 QRE141J 104Y C RESISTOR 100K 5 1 4W R 833 QRE141J 104Y C RESISTOR 100K 5 1 4W R 834 QRE141J 104Y C RESISTOR 100K 5 1 4...

Page 77: ...TOR 68 5 1 4W R 961 QRE141J 101Y C RESISTOR 100 5 1 4W R 962 QRE141J 103Y C RESISTOR 10K 5 1 4W R 963 QRE141J 562Y C RESISTOR 5 6K 5 1 4W R 964 QRE141J 392Y C RESISTOR 3 9K 5 1 4W R 965 QRE141J 103Y C RESISTOR 10K 5 1 4W R 969 QRE141J 680Y C RESISTOR 68 5 1 4W R 970 QRE141J 101Y C RESISTOR 100 5 1 4W R 980 QRE141J 100Y C RESISTOR 10 5 1 4W R 991 QRE141J 202Y C RESISTOR 2 0K 5 1 4W R 992 QRE141J 20...

Page 78: ... C CAPACITOR C 72 NCB21HK 561X C CAPACITOR C 73 NCB21HK 104X C CAPACITOR C 74 NCB21HK 104X C CAPACITOR C 75 EETC1HM 106ZJC E CAPA I M C 76 NCB21HK 331X C CAPACITOR CN 1 QGF1205F1 13 CONNECTOR D 1 1SS133 T2 SI DIODE D 2 1SS133 T2 SI DIODE D 3 1SS133 T2 SI DIODE D 4 1SS133 T2 SI DIODE D 11 1SS133 T2 SI DIODE IC 1 LA1838 IC IC 2 LC72136N IC IC 3 LC72723 IC RDS J 1 QNB0014 001 ANT TERMINAL L 1 QQR1094...

Page 79: ...3X C CAPACITOR C 811 NCS21HJ 391X C CAPACITOR C 812 NCS21HJ 391X C CAPACITOR C 813 NCS21HJ 391X C CAPACITOR C 814 NCS21HJ 391X C CAPACITOR C 815 QEQF1HM 225Z E CAPACITOR 2 2MF 20 50V C 821 NCF21CZ 105X C CAPACITOR C 822 QERF1AM 227Z E CAPACITOR 220MF 20 10V C 852 QERF1CM 106Z E CAPACITOR 10MF 20 16V C 853 NCB21HK 103X C CAPACITOR C 854 NCB21HK 103X C CAPACITOR C 855 NCB21EK 104X C CAPACITOR C 859 ...

Page 80: ...2J 272X MG RESISTOR R 802 NRSA02J 392X MG RESISTOR R 803 NRSA02J 222X MG RESISTOR R 804 NRSA02J 224X MG RESISTOR R 805 NRSA02J 133X MG RESISTOR R 806 NRSA02J 243X MG RESISTOR R 807 NRSA02J 122X MG RESISTOR R 808 NRSA02J 273X MG RESISTOR R 809 NRSA02J 122X MG RESISTOR R 811 NRSA02J 103X MG RESISTOR R 812 NRSA02J 152X MG RESISTOR R 831 NRSA02J 151X MG RESISTOR R 832 NRSA02J 103X MG RESISTOR R 842 NR...

Page 81: ...102Y C CAPACITOR C3601 QDGB1HK 821Y C CAPACITOR C3602 QCBB1HK 271Y C CAPACITOR 270PF 10 50V D3302 1SR139 400 T2 SI DIODE D3307 DZ5 1BSB T2 Z DIODE NEW SUPPLIER D3308 DZ5 1BSB T2 Z DIODE D3309 DZ5 1BSB T2 Z DIODE D3331 1SR139 400 T2 SI DIODE FW301 EWR34D 10CS FLAT WIRE TO MOTOR CONTRO IC301 BA3126N IC HEAD SW IC302 AN7345K IC PRE AMP IC303 BU4094BC IC IC331 SG 105F3 BB C PHOTO SENSER IC332 SG 105F3...

Page 82: ...362 QRE141J 243Y C RESISTOR 24K 5 1 4W R3366 QRE141J 273Y C RESISTOR 27K 5 1 4W R3367 QRE141J 103Y C RESISTOR 10K 5 1 4W R3368 QRE141J 223Y C RESISTOR 22K 5 1 4W R3369 QRE141J 101Y C RESISTOR 100 5 1 4W R3370 QRE141J 103Y C RESISTOR 10K 5 1 4W R3374 QRE141J 2R2Y C RESISTOR 2 2 5 1 4W R3376 QRZ9005 100X F RESISTOR 10 1 0W R3377 QRE141J 470Y C RESISTOR 47 5 1 4W R3378 QRE141J 470Y C RESISTOR 47 5 1 ...

Page 83: ...MX GT91R 3 26 P2 2 2 P3 2 2 P2 1 2 P3 1 2 P5 P7 P6 P1 Packing materials and accessories parts list Block No M M M 5 Block No M M M 6 P11 P8 A1 A7 P10 1 2 P10 2 2 A8 P9 P9 A9 SP MXGT91R CA MXGT91R ...

Page 84: ...N 1 SP MXGT91R P 11 600 GT91RE PACKING CASE 1 SP MXGT91R Item Parts number Parts name Area A Parts list Accessories Q ty Description Block No M6MM A 1 GVT0052 006A INST BOOK CA MXGT91R E 1 GER FRE DUT GVT0052 008A INST BOOK CA MXGT91R B 1 ENG GVT0052 007A INST BOOK CA MXGT91R EN 1 SWE FIN DAN FRE SPA ITA GER A 2 QAL0014 001 AM LOOP ANT 1 A 3 EWP503 001 ANT WIRE 1 A 4 VNA3000 204 REGIST CARD B 1 A ...

Page 85: ...nted in Japan 200104 V VICTOR COMPANY OF JAPAN LIMITED AUDIO COMMUNICATION BUSINESS DIVISION PERSONAL MOBILE NETWORK BUSINESS UNIT 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan No 20931 MX GT91R ...

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