JVC KD-S9R Service Manual Download Page 14 | Manualshive

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KD-S9R

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BA4905-V3 (IC901) : Regulator

1.Terminal layout

2.Block diagram

EXT

EXT

ACC

AUDIO 9V

CTRL

ILM 10V

GND

RESET

RESET

COMP

VDD 5.7V

CD 8V

VCC

AJ

1 2 3 4 5 6 7 8 9 10 11 12

37K

5K

REGULATOR

OIVPC

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Summary of Contents for KD-S9R

Page 1: ... static electricity Disassembly method Adjustment method Flow of functional operation unit TOC read Maintenance of laser pickup Description of major ICs 1 2 1 3 1 4 1 9 1 10 1 11 1 12 This service manual is printed on 100 recycled paper 45Wx4 TP DISP RPT SSM SCM MO RND 7 8 9 10 11 12 PTY AM FM CD I ATT RDS Area Suffix E Continental Europe ...

Page 2: ...t over on some parts of the chassis Therefore pay attention to such burrs in the case of preforming repair of this system Safety precaution CAUTION Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check ...

Page 3: ...ement return the shorted parts to their original condition Refer to the text 2 Do not use a tester to check the condition of the laser diode in the optical pickup The tester s internal power source 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 ...

Page 4: ...shaft was removed 1 Remove the front panel unit 2 Remove the two screws A attaching the front chassis assembly 3 Remove the four ribs a attaching the front chassis assembly to the chassis Removing the front chassis assembly See Fig 3 4 Removing the bottom cover assembly See Fig 5 Turn the unit upside down then insert and turn to b the screwdriver to remove the bottom cover Fig 5 Fig 1 Eject button...

Page 5: ...9 Fig 8 J J J B B C Fig 6 K K E G Fig 7 1 Fig 7 2 E E I F D D Removing the main board wiht rear panel See Fig 6 Fig 7 Remove five screws K retaining the rear cover Front panel unit See Fig 9 Remove three mechanism mounting screws J retaining the top cover CD mechanism assembly See Fig 8 1 Remove one screw I to remove the IC bracket 2 Remove one screw F to remove the line out jack 3 Remove one scre...

Page 6: ...slot j Disconnect the flexible wire from connector on the pickup unit Removing the CD mechanism control board See Fig 1 and 2 Turn the FD gear in the direction of the arrow to move the entire pickup unit to the appropriate position where the flexible wire of the CD mechanism unit can be disconnected easily Refer to Fig 2 ATTENTION Fig 1 Fig 2 Fig 3 Fig 4 Front bracket CD mechanism control board Sh...

Page 7: ...e the both sides fix arms and move the fix plates in the direction of the arrow to place the four shafts l as shown in Fig 8 and 9 Remove the CD mechanism ass y and the two springs m attaching the flame Remove the two screws J and both sides rear damper brackets from the dampers Detach the CD mechanism ass y from the left side to the right side 1 2 3 4 Removing the CD mechanism ass y See Fig 1 6 t...

Page 8: ... mount nut from the pickup unit Pull out the FD screw 2 Removing the pickup unit See Fig 10 and 11 When reattaching the pickup unit reattach the part o of the pickup unit then the part n of the FD screw ATTENTION Prior to performing the following procedure remove the CD mechanism control board the front bracket loading motor the CD mechanism ass y and the feed motor ass y Turn up the CD mechanism ...

Page 9: ...oltage DC14 4V 10 5 16V Load impedance 20Kohm 2 Speakers connection Output Level Line out 2 0V Vol MAX How to connect the extension cable for adjusting Standard volume position Balance and Bass Treble volume Indication 0 Loudness OFF BBE OFF Frequency Band FM 87 5MHz 108 0MHz MW 522kHz 1620 kHz LW 144kHZ 279kHz Dummy load Exclusive dummy load should be used for AM and FM For FM dummy load there is...

Page 10: ...op ON When the laser diode correctly emits Microprocessor commands Rough Servo Mode CLV Servo Mode Program Area CLV Servo Mode Lead In Area Digital 0 RF signal Flow of functional operation until TOC read When the pickup correctly moves to the inner area of the disc TERMINAL Microprocessor commands FMO TC9462 53 FEED MOTOR TERMINAL IC581 5 REST SW When the disc correctly rotates Tracking Servo Loop...

Page 11: ...e this adjustment should be performed to match the characteristics of the whole optical block do not touch the semi fixed resistor If the laser power is lower than the specified value the laser diode is almost worn out and the laser pickup should be replaced If the semi fixed resistor is adjusted while the pickup is functioning normally the laser pickup may be damaged due to excessive current Turn...

Page 12: ... interrupt DSP general purpose port output interrupt DSP general purpose port output interrupt Power supply terminal Connects to ground Connects to ground Connects to ground Unused terminal Power supply terminal Unused terminal Unused terminal Communication port with IC401 Status communication port to IC401 Clock input from IC401 Ready signal input from IC401 Unused terminal DSP microcomputer I F ...

Page 13: ...E ICL IMO IBL IAL Serial data input output Ground output left rear output left front Treble control capacitor left channel or input from an external equalizer Bass control capacitor left channel or output to an external equalizer Bass control capacitor left channel Input volume 1 left control part Input loudness left control part Output source selector left channel Not used Not used Input C left s...

Page 14: ...1 2 3 4 5 6 7 8 9 10 11 12 BA4905 V3 IC901 Regulator 1 Terminal layout 2 Block diagram EXT EXT ACC AUDIO 9V CTRL ILM 10V GND RESET RESET COMP VDD 5 7V CD 8V VCC AJ 1 2 3 4 5 6 7 8 9 10 11 12 37K 5K REGULATOR OIVPC ...

Page 15: ...block up voltage supply is connected the output keeps on running This output voltage is 9 0V and max output current is 500mA This voltage supply for AUDIO This output voltage is 8 0V and max output current is 1A This voltage supply for CD Output selector of CD AUDIO ILM and EXT To be connected with the BACK UP of car This output voltage is 10V and max output current is 500mA Output voltage is adju...

Page 16: ...T 2 PWR GND2 R F IN 3 IN 4 PRE GND ON TIME C Muting ON Time Control Circuit Protective circuit Protective circuit Mute circuit Ripple Filter Stand by Switch N C 0 22 F 2200 F 0 022 F 0 22 F TAB 5V ST ON 47 F 0 22 F 0 22 F 22 F Mute 10K 3 3 F OUT 3 OUT 3 Low Level Mute ON PWR GND3 OUT 4 OUT 4 PWR GND4 LA4743B IC301 Power AMP 1 Block diagram ...

Page 17: ...9 20 21 22 23 24 25 Symbol Pin No Function Header of IC Power GND Outpur for front Rch Stand by input Output for front Rch Power input Output for rear Rch Power GND Output for rear Rch Ripple filter Rear Rch input Front Rch input Signal GND Front Lch input Rear Lch input Power on time control Output for rear Lch Power GND Output for rear Lch Power input Output for front Muting control input Output...

Page 18: ...27 26 25 24 23 22 21 20 19 18 17 16 15 FR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 FR CH 3 4 5 Power supply Output control CH5 CH4 CH2 CH1 CH3 22K 11K 5VREG PNPTr The outside puuting 22K 22K 22K 11K 11K 11K CH1 2 Power supply LA6567H X IC501 CD DRIVE 1 Pin layout blockdiagram Level shift Level shift Level shift Level shift Thermal shutdown Input Signal system power supply ...

Page 19: ...ent Regulator terminal Outside putting PNP base Regulator terminal Outside putting PNP collector Standard voltage input terminal Signal system power supply It is short with VCC1 VCC2 CH4 Input terminal For gain adjustment CH4 Input terminal 5CH VLO Output voltag set terminal Signal system GND 5CH VLO Signal output switch terminal FWD Input of logic of loading part 5CH VLO Signal output switch term...

Page 20: ...t polarity can invert by command Channel clock output terminal 44 1khz L ch at L level and R ch at H level the output polarity can invert by command REMARKS With pull up resistor UHSO H H L L HSO H L H L PLAYBACK SPEED Nomal 2 times 4 times Digital GND terminal Bit clock output terminal 1 4122MHz Audio data output terminal Digital data output terminal Buffer memory over signal output terminal Over...

Page 21: ...put terminal for internal signal Digital power supply voltage terminal Digital GND terminal General I O terminal This terminal control IO0 IO3 terminal Normally keep at open DAC test mode terminal Normally keep at open Test input terminal Normally keep at L level Test input output terminal Normally keep at L level Digital GND terminal Crystal oscillator connecting input terminal for DSP Crystal os...

Page 22: ...utput for treble VCA control Control signal time constant terminal Control signal input terminal Treble CA output terminal Output MIX amplifier summing terminal Signal output terminal Signal input terminal Input inversion amplifier output terminal HPF output terminal LPF output terminal Reference voltage output terminal 1 2 Vcc LPF output terminal HPF output terminal Input inversion amplifier outp...

Page 23: ...7 OUT 2 3 RIN 12k 20k 5 2 8 GND GND COM 6 8k 6 8k 20k 12k 1 FIN 9 OUT1 6 Vcc 2 Function truth table 1 Block diagram 3Pin IN H L H L 1Pin IN L H H L 7Pin OUT H H L OPEN 9Pin OUT H L L OPEN BA6218 IC591 Motor driver ...

Page 24: ... 2Y 2Y 3Y 4Y Output Output Output Output Sample as Load Circuit 1 Sample as Load Circuit 1 Sample as Load Circuit 1 1k 1k S1 CL Input Outout C L H H A X L H Y Z H L 1 2 3 4 5 6 7 14 13 12 11 10 9 8 HD74HC126FP X IC801 Buffer 1 Terminal layout 2 Block diagram 3 Pin function ...

Page 25: ...ef MUX VDDA GND CIN SCOUT RDCL T75 OSCO OSC1 VDD GND TEST MODE 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 QUAL RDDA Vref MUX VDDA GND CIN SCOUT MODE TEST GND VDD OSC1 OSC0 T75 RDCL O O I I O I O O 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Non connect RDS data output Reference voltage output Multiplex signal input 5V Supply voltage for analog Ground for analog part 0V Sub carrier output of reconstruction ...

Page 26: ...hm 20k ohm 20k ohm 13k ohm 680 ohm 2 12k ohm BOTTOM PEAK 20k ohm 20k ohm 20k ohm 12k ohm 1 74k ohm 47k ohm 12k ohm 180k ohm 50uA 21k ohm 21k ohm 7 96k ohm 10k ohm 10k ohm 10k ohm 10k ohm 10pF 36pF 50k ohm 15k ohm 30k ohm 7 67k ohm 10k ohm 30k ohm 15k ohm 20uA 21k ohm 29k ohm 24k ohm 24k ohm 65uA 20pF 180k ohm 20pF 180k ohm 180k ohm 40pF 40pF I I I I SW3 SW2 SW1 1k ohm LCD 3 STATE DET 20pF TEO TEN ...

Page 27: ...I CK DOUT SR I 01 I 02 OUT1 OUT2 VDD2 Crystal oscillator pin Non connect Chip enable input Serial data input Clock input Serial data output Register control pin I O ports I O ports Non connect Non connect Single power supply for REF frequency block O I I I O O I O I O Pin No Symbol I O Function 13 14 15 16 17 18 19 20 21 22 23 24 IFC VDD FMIN AMIN DGND FMCP VT AMCP VCC RF AGND XIN IF signal input ...

Page 28: ...INPUT NJM2100M WE IC861 Cruise 1 Pin layout 2 Block diagram 1 2 3 4 A OUTPUT A INPUT A INOUT V V B OUTPUT B INPUT B INPUT 8 7 6 5 8 7 6 5 4 3 2 1 V B OUTPUT B INPUT B INPUT A INPUT A INPUT A OUTPUT V NJM4565M WE IC581 IC171 Ope amp ...

Page 29: ...t 2 Block diagram 3 Pin function 1 3 4 5 6 7 8 Pin No A0 A2 GND SDA SCL WPIN Vdd No internal connection 2 5V to 5 5V Power supply Write protect input Serial clock Serial address data I O Ground Symbol Function I O CONTROL LOGIC MEMORY CONTROL LOGIC SDA SCL XDEC EEPROM ARRAY 8x 256 x8 PAGE LATCHES YDEC SENSE AMP F W CNTROL HV GENERATOR WP VCC Vss ...

Page 30: ...Printed in Japan 200012 V VICTOR COMPANY OF JAPAN LIMITED MOBILE ELECTRONICS DIVISION PERSONAL MOBILE NETWORK BUSINESS UNIT 10 1 1Chome Ohwatari machi Maebashi city Japan No 49579 KD S9R ...

Page 31: ...PROM IC771 E VOL IC161 CD L R FM AM TUNER TU1 POWER AMP IC301 CN901 VOL CL VOL DA CD L R BUSO 3 BUCK CCE RST FRONT L FRONT R REAR L REAR R TUL R CN701 CN711 J1 AM FM CN601 ENC1 2 SHUTTLE SW EN601 OPERATION SW S601 S619 LCDDA LCDCL LCDCE LCD LCD DRIVER IC601 S1 S68 COM1 3 LINE OUT J321 KEY0 2 Block diagram SWITCH BOARD MAIN BOARD CD MECHA VA VB VC VE VF VR LD MD RESET RDSCL RDSDA FM VT AM VT LCD CL...

Page 32: ... M E M O KD S9R 2 2 ...

Page 33: ...0 16 2SD601A R 47 16 100 10 100P 0 01 0 15 0 0082 0 0082 0 15 0 22 0 033 1 50 8 2K 8 2K 18K 820P 820P 18K 2SD601A R 4 7k 4 7k 0 022 0 01 560P 47P 82P 2 2k 2 2k 2 2k 2 2 50 0 1 50 4 7k UN2111 UN2213 0 033 0 22 2 2K 22K 2 2K 22K 0 0056 0 0056 4 7uH 270 7P 10P 0 01 270 1 50 1 50 1 50 1 50 0 QSW0451 001 10K 1000P 0 01 220K 1 50 220K MA152WK 47k UN2111 4 7K 1SS133 1 2K 0 47K QLD0033 001 2 2K 47P 0 01 0...

Page 34: ... 1 8k 2 7k 0 820 8 2K 20K 47K 47K QSW0863 001 24K 820P 820P 1 5K 12K 1 5K 33K 33K 12K 120P 120P TA2109F 1K MA152WK 4 7 6 3 390K 100 6 3 27K 47K 100 6 3 0 1 0 1 0 01 270 1 8W 220 10 6 8K 3 3K 1 5K 100 6 3 4 7K 4 7K 4 7K 4 7K QAX0413 001 10P 10P 0 01 0 01 LNJ308G81 1 3 X 560 1 8W 100P 100 0 01 MA152WA DSK10C MA152WK LA6557 47 6 3 MA152WK MA152WA 0 22 0 22 270 1 8W 47 6 3 100 6 3 100P 270 1 8W SML 31...

Page 35: ...R33 R34 R35 R36 R37 R51 R52 R53 R54 R55 R56 R57 R58 R81 R82 R91 R92 R164 R165 R172 R173 R174 R175 R181 R182 R241 R242 R243 R244 R245 R246 R301 R302 R303 R304 R311 R312 R313 R314 D996 R321 R331 R341 R351 D992 R521 R522 R523 R524 R525 R526 R529 R530 R546 R547 R548 R549 R550 R551 R552 R553 R584 R585 R586 R594 R595 R596 R702 R703 R704 R705 R706 R707 R708 R709 R710 R711 R712 R713 R714 R715 R716 R723 R7...

Page 36: ...82 R583 R591 R592 R593 R701 R719 R720 R721 R722 R725 R729 R737 R738 R739 R740 R752 R753 R754 R756 R757 R802 R803 R804 R805 R806 R807 R808 R841 R861 R862 R863 R864 R865 R868 R869 R870 R871 R901 R902 R903 R971 R972 R976 R977 S701 S702 TU1 X31 X71 X541 X701 X702 R904 R872 C319 D784 D702 D703 D704 D705 D706 D707 D708 D709 Q9 C6 D712 Q53 C325 C713 D502 IC301 C316 C911 R59 C7 C717 C912 C782 C574 R505 R5...

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