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SERVICE MANUAL

No.49594

Feb. 2001

This service manual is printed on 100% recycled paper.

CH-X1000 /X000RF

CH-X1000 / CH-X1000RF

Contents

Safety precaution
Important for laser products
Location of main parts
Removal of main parts
Pickup replacement procedure
JC 12 Forced eject procedures

1-2
1-3
1-4
1-5

1-20

Troubleshooting
Wiring connections
Description of major ICs

1-21
1-27
1-28

CH-X1000RF is a combination of CH-X1000 and KS-RF37.

KS-RF37 is a combination of Remote control and the RF unit.

KS-RF37

CH-X1000

Area Suffix

Northern America

1-18

COMPACT DISC AUTOMATIC CHANGER

Содержание CH-X1000

Страница 1: ...aser products Location of main parts Removal of main parts Pickup replacement procedure JC 12 Forced eject procedures 1 2 1 3 1 4 1 5 1 20 Troubleshooting Wiring connections Description of major ICs 1 21 1 27 1 28 CH X1000RF is a combination of CH X1000 and KS RF37 KS RF37 is a combination of Remote control and the RF unit KS RF37 CH X1000 Area Suffix J Northern America 1 18 COMPACT DISC AUTOMATIC...

Страница 2: ...on some parts of the chassis Therefore pay attention to such burrs in the case of preforming repair of this system Safety precaution Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check 1 2 ...

Страница 3: ...ARO 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 stråling REPRODUCTION AND POSITION OF LABELS WARNING LABEL DANGER Invisibie las...

Страница 4: ...oard view Main board ass y Mechanism ass y wire Jack board ass y Mechanism board ass y Sensor board ass y Positioning motor ass y Mechanism lifter unit Positioning motor ass y Feed motor Spindle motor Tray motor Sensor board ass y Third gear Magazine house section 1 3 ...

Страница 5: ...t panel toward the top cover lower down to remove the front panel Remove 1 a and turn in the direction of the arrow Fig 1 Fig 2 Fig 3 Fig 4 Exterior Section Removing the Bottom Cover and Front Panel Assembly 1 1 1 1 1 a 1 1 1 1 1 a Remove 1 a and turn in the direction of the arrow Unhook catches Unhook catches The front panel can be separated by raising the cover Slightly lift the jack section to ...

Страница 6: ...he three fixing screws 3 and 4 on the DIN jack PCB assembly 5 Lift the changer unit upward 6 Remove the damper springs from the mechanism chassis if required To reassemble refer to the diagram below Fig 5 Fig 6 Fig 6 1 Fig 7 Fig 8 Fig 8 1 Fig 9 Apply alcohol to the shaft then immediately attach the damper After attaching check that the shaft is correctly inserted Push out with your finger before a...

Страница 7: ... from the holes on the chassis Magazine Lock Arm 1 Remove the magazine lock spring from the front side of the chassis 2 Remove the poly washer b securing the magazine lock arm 3 Turn the magazine lock arm in the direction of the arrow until the notch is at the C position to remove it from the chassis Positioning Motor Assembly 1 Remove the two screws 2 securing the positioning motor 2 Slightly lif...

Страница 8: ...rrow and remove it at the rear slider mounting position at the widest hole Front Slider 1 Position the unit with the rear section facing down Rotate the third gear located on the bottom of the unit in the direction of the arrow clockwise until the front slider is shifted to the outermost position 2 Remove the E washer securing the front slider to remove the front slider from the chassis Top Plate ...

Страница 9: ...xing screws 4 located on the back of the lifter unit 2 Remove the lower rod Side Bracket and Traverse Mechanism 1 Remove the two side bracket unit fixing screws 5 to disconnect the side bracket unit from the lifter unit 2 Remove the three shafts on the traverse mechanism assembly from the lifter unit For reassembling refer to the reassembling procedures Fig 21 Fig 22 Fig 23 Fig 24 Unhook this part...

Страница 10: ...Short circuit the grounding point on the mechanism PCB assembly and lift it with the flexible PCB attached to connector CN501 Next short circuit the grounding point on the pickup unit and disconnect CN501 4 Remove the screw 7 to remove the feed motor assembly 5 Remove the screw 8 to remove the shaft holder retaining the feed slide shaft assembly and the middle gear 6 Remove the middle gear 7 Move ...

Страница 11: ...n of the Chassis L Assembly and Chassis R Assembly 1 Remove the two screws 13 retaining the chassis L and R assemblies 2 Slide the chassis L assembly toward the front and detach it then remove the chassis L upward Fig 28 Fig 29 Fig 30 Tray Motor Assembly Tray Motor Tray Motor Holder Slide and remove upward as shown by the arrow Front side 11 11 12 13 13 1 10 ...

Страница 12: ... mounting the mechanism PCB assembly move the pickup to the outer edge position then secure the PCB assembly using the screw 15 At this time check that the rest switch is correctly placed 4 To mount the rack arm first move the pickup to the middle position and secure it with the screws 16 Fig 34 Fig 33 Fig 32 Fig 31 Pickup Assembly Attached to chassis Shaft Holder Feed Slide Shaft half coated with...

Страница 13: ... the edge mount the lifter unit and side bracket unit from the side Check each attached section and check that the two shafts C of the lifter unit are correctly inserted into the holes g of the side bracket unit After mounting check that the levers move together 4 Turn the lifter unit upside down As shown in Fig 37 slide the lever 30 mm away from the edge then mount the lifter bracket L assembly F...

Страница 14: ...ne the chassis L and R assemblies so that the hook section h of the chassis L assembly is inserted into the notch of the chassis R assembly by sliding it from the front side 3 After engaging secure with the two screws 18 4 Attach the tension spring between the lifter unit and the chassis Fig 38 Fig 39 Fig 40 Lower Rod Notch Attached Slide to engage Combine with R chassis Set last lifter side Prope...

Страница 15: ...k 2 Check that the five points l m n o and p are correctly positioned When mounting section q set it so that section D of the lifter unit is pinched by the bending section of the top plate 3 Secure the top plate with six fixing screws 19 Fig 41 Fig 42 Fig 43 Fig 44 l m n q p Upper Rod D Lifter Unit Section p Expanded view of mounting q 19 19 19 k 1 14 ...

Страница 16: ...wn in Fig 45 2 3 Mount the E washer on the shaft 4 Position the unit with the front side facing down then mount the rear slider Check that the r s and t positions are correctly mounted as shown in Fig 46 5 Rotate the third gear in the direction of the arrow counterclockwise until the lifter unit is at the top position Fig 45 1 Fig 45 Fig 45 2 Fig 46 Stud E Washer Front Slider Check after mounting ...

Страница 17: ... spring to the hook of the lift arm Mounting the Main PC Board Assembly 1 Rotate the third gear clockwise until section E of the front slider and the third hole from the right are lined up Be sure to set properly If incorrectly set the switches on the PCB assembly may be damaged 2 After they are correctly positioned mount the main PCB assembly Fig 47 Fig 48 Sensor assembly fixing screws Shorter sp...

Страница 18: ...or section 2 Unplug the flexible ribbon wire from connector CN502 on the traverse mechanism PC board assembly 3 Turn the rear slider and third gear in the lifter section counterclockwise until the traverse mechanism assembly is in the lowermost bottom position 4 Unsolder the two wires black and brown connected to the tray motor 5 Remove the two screws 1 from the round holes on the chassis R assemb...

Страница 19: ...r 3 Fig 53 Fig 54 Lifter Unit Lever Enlarged Diagram 10 Remove the two rack arm fixing screws 4 Pull out the feed slide shaft Remove the shaft holder fixing screw 5 11 When mounting the lifter bracket after replacing the pickup shift the lifter unit lever approx 30 mm towards the inside then mount the lifter bracket 1 18 ...

Страница 20: ...isc Remove the dampers and the top cover to take out the mechanism Remove the item s causing the disc jam through the clearance at the top of the lifter Remove the lifter bracket L and return the tray to the magazine RESET Press EJECT for 3 sec Completed YES YES YES NO NO NO Remove the bottom cover Is the disc set in the playing position Are trays stored in the magazine Check visually Improperly p...

Страница 21: ... Tray motor error Trays cannot be opened or closed when exchanging or ejecting discs Does the tray move when changing or ejecting discs YES 5 NO 6 5Check that TRAY OUT SW S602 and TRAY IN SW S603 function correctly E4 Pick returning error Does the feed pickup unit return to the inner area of the disc when ejecting YES 7 NO 8 9 7 Check the rest switch 8If the feed gear is rotated check the feed tra...

Страница 22: ...osition time out E1 02 00 36 Position motor inoperative Wait position time out E1 02 00 33 Other fault Play position time out E1 02 00 32 Position not stable in fine adjust mode Play position time out E1 02 00 31 Position motor inoperative Play position time out E1 02 00 28 Other fault Wait position time out E1 02 00 27 Position not stable in fine adjust mode Wait position time out E1 02 00 26 Pos...

Страница 23: ...attern opens RF signal eye pattern remains closed When the pickup correctly moves to the inner area of the disc When the laser diode correctly emits No disc display Rough Servo Mode CLV Servo Mode ProgramArea CLV Servo Mode Lead In Area Digital 0 RF signal Focus Servo Loop ON TERMINAL Microprocessor commands Microprocessor commands Tracking Servo Loop ON Servo CLV Rough Servo Acceler Acceleration ...

Страница 24: ...oes not function The tray motor goes forward and back several times Check the connections to the receiver or the circuits in the vicinity of IC651 Check the linear position sensor VR601 Check the wiring of the CD 9 V power supply position motor Check the TRAY IN and TRAY OUT switches Exchange discs then check whether or not the feed motor moves Set from the STOP to PLAY mode then check that the tr...

Страница 25: ...Check the pickup and its connections NO YES YES Does the S search waveform appear at IC581 pins H and I Is the disk rotated Does the RF signal appear at TP1 Is 4V present between IC581 pins 1 and 2 Check the spindle motor and its wiring Is 4V present at IC521 pin x Check the vicinity of IC581 Check IC501 and IC521 YES NO NO NO NO NO YES YES YES Check the circuits in the vicinity of IC501 J O or th...

Страница 26: ...th channels L R Check the vicinity of the Q981 audio power supply NO NO NO NO YES YES YES YES YES Check IC521 and its peripheral circuits Is the audio signal including sampling output components output to IC521 pins and during Is the audio signal output at IC101 pins 1 and7during playback NO Check IC101 and its peripheral circuits Check the muting circuit Normal 1 25 ...

Страница 27: ...oard section Feed Motor Ass y QUQ710 2614BJ QUQ110 1013BJ Connect Board CN503 CN904 CN601 WJM0017 002A CN903 Spindol Motor Ass y Mechanism Board Ass y SURFACE SIDE Sensor Ass y Tray Motor Ass y CN501 CN502 Pick Up Ass y LV30450 003A 1 26 CH X1000 CH X1000RF ...

Страница 28: ... 3 Power supply driver CH3 reverse input Driver CH3 forward input Driver CH3 positive output Driver CH3 negative output ground 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 OUT4 OUT4 OUT5 OUT5 IN 5 IN 4 VCC BIAS IN GND GND VCC IN6 R IN6 F OUT6 OUT6 GND Driver CH4 negative output Driver CH4 positive output Driver CH5 negative output Driver CH5 positive output Driver CH5 input Driver CH4 input Pow...

Страница 29: ...71 SCK2 ASCK 72 ANI0 P10 ANI7 P17 ANO0 P130 ANO1 P131 AV33 AVREF0 AVss AVREF1 INTP0 P00 INTPS P05 PCL P35 BUZ P36 P10 P17 P20 P27 P30 P37 P40 P47 P50 P57 P60 P67 P70 P72 P120 P127 P130 P131 RESET X1 X2 XT1 P07 XT2 RTP0 P120 RTP7 P127 RTP0 P120 RTP7 P127 A8 P50 A15 P57 RD P64 WR P65 WAIT P66 ASTB P67 V00 Vss IC BUZZER OUTPUT INTERRUPT CONTROL D A CONVERTER A D CONVERTER SERIAL INTERFACE2 SERIAL INT...

Страница 30: ...rain CD LSI data 2 open drain CD LSI data 3 open drain Unused output port 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 NC NC NC MAG IN TRAY IN TRAY OUT REST NC EMPH NC BUFF CONT TEST RUN NC NC NC MUTE STAGE NC EPROM CLF RESET REMOCON PWR DET PWR SW BUS INT EJECT NC VSS0 VDD1 X2 X1 IC XT2 XT1 VDD AVREF0 L SENSOR KEY1 KEY2 KE...

Страница 31: ...arity 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 at H...

Страница 32: ...inal 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 oscillator...

Страница 33: ...m 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 TEB SEL L...

Страница 34: ...el detect START STOP ACK VCC TEST SCL SDA BR24C01AF A0 A1 A2 GND BR24CO1AF IC604 EP ROM 2 Block Diagrram 1 Terminal Layout 3 Pin Function An open drain output requires a pull up resistor Symbol VCC GND A1 A2 A3 SCL SDA TEST I O I I I O I Function Puwer Supply Ground OV Slaves Address Set Pin Serial Clock Input Slaves and Word Address Serial Data Input Serial Data Output Ground 1 33 ...

Страница 35: ... 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 IC651 Buffer 1 Terminal layout 2 Block diagram 3 Pin function 1 3 2 OP1 Co1 Vcc Vout GND IC PST600M G W1197 IC602 Reset 1 Terminal layout 2 Block diagram 1 34 ...

Страница 36: ...CH X1000 X1000RF VICTOR COMPANY OF JAPAN LIMITED MOBILE ELECTRONICS DIVISION PERSONAL MOBILE NETWORK BUSINESS UNIT 10 1 1Chome Ohwatari machi Maebashi city Japan No 49594 Printed in Japan 200102 V ...

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