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CH-X400 / CH-X450 SERVICE MANUAL COMPACT DISC AUTOMATIC CHANGER CH-X400 / CH-X450 Area Suffix CH-X400 Northern America Continental Europe CH-X450 Other areas Contents Safety precaution Troubleshooting 1-20 Important for laser products Wiring connections 1-26 Location of main parts Pickup replacement procedure...
CH-X400/CH-X450 Safety precaution Burrs formed during molding may be left over on some parts of the chassis. Therefore, pay attention to such burrs in the case of preforming repair of this system. Please use enough caution not to see the beam directly or touch it in case of an...
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CH-X400/CH-X450 Important for laser products 5.CAUTION : If safety switches malfunction, the laser is able 1.CLASS 1 LASER PRODUCT to function. 2.DANGER : Invisible laser radiation when open and inter 6.CAUTION : Use of controls, adjustments or performance of lock failed or defeated. Avoid direct exposure to beam.
CH-X400/CH-X450 Location of main parts Main board ass'y Mechanism ass'y wire Bottom view Positioning motor ass'y Jack board ass'y Sensor board ass'y Mechanism board ass'y Top side view Mechanism & lifter unit Magazine house section Remove the main board view...
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CH-X400/CH-X450 Removal of main parts Disassembling procedures Perform operations according to the items to be disassembled. Replacement of the Pickup 1. After removing the exterior (top and bottom)... 2. Proceed to the "Pickup Replacement" section. 3. When applying grease, refer to the Exploded View.
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CH-X400/CH-X450 Removing the top cover 1. Pull out the dampers, being careful not to damage. When reattaching a damper, insert your finger to push out the center of the damper to mount it on the damper shaft, as shown in Fig. 6-1.
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CH-X400/CH-X450 Removing the fittings 1. Remove the fixing screw (5). 2. Unhook the two catches (a) on the top edge of the fitting, then unhook the catches (b) at the left/right bottom edges. Catches (a) Catches (b) Fitting Removing the main PCB assembly Fig.
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CH-X400/CH-X450 Changer mechanism section Sensor assembly unit 1. Remove the two screws (1) securing the sensor assembly Sensor unit. assembly 2. Unhook the springs on the back of the sensor assembly unit from the holes on the chassis. Magazine lock arm 1.
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CH-X400/CH-X450 Rear slider Can be removed at the stud position 1. Position the unit with the front section facing down. Rotate (at the widest hole) the third gear located on the back of the main unit in the Remove direction of the arrow (clockwise).
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CH-X400/CH-X450 Lifter unit 1. Unhook the elevator spring located on the front side of the unit. (Be sure to first unhook the spring from the lifter side as shown in the upper part of the diagram.) 2. Lift the lifter unit upward, then remove the lower rod to Unhook this remove the lifter unit from the chassis.
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CH-X400/CH-X450 Pickup assembly 1. Remove the three mechanism PCB fixing screws (6) located on the back of the traverse mechanism. 2. Disconnect the two feed motor wires (blue and white), two Pickup flexible PCB spindle motor wires (red and black) and two tray motor...
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CH-X400/CH-X450 Tray motor 1. Remove the two screws (11) securing the tray motor. 2. Remove the two screws (12) to remove the tray motor assembly from the tray motor holder. Separation of the chassis L assembly and ahassis R assembly 1.
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CH-X400/CH-X450 Precautions on reassembling When reassembling, also refer to the disassembling procedures. Pickup assembly Attached to chassis Mounting the traverse mechanism 1. When mounting the pickup assembly, attach the feed slide shaft assembly to the traverse chassis. Apply E-JC-525 grease to the shaft.
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CH-X400/CH-X450 Mounting the lifter unit 1. Insert the shafts (B) of the traverse mechanism assembly into the slide grooves (F) on the lifter unit. 2. Shift the hook of the lifter unit to the edge, and shift the sliding lever inside the side bracket unit to the edge as well.
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CH-X400/CH-X450 Connection of the chassis "L" assembly and chassis "R" assembly 1. Attach the lower rod to the chassis "R" assembly. While shifting the rod toward the front side, mount the rod on the lifter unit. With the rod mounted, place the lifter unit on the chassis "R"...
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CH-X400/CH-X450 Mounting the top plate 1. Mount the upper rod on the lifter side (j) and set it on the rear of the top plate, then mount the other end of the upper rod to (k). 2. Check that the five points (l, m, n, o and p) are correctly positioned.
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CH-X400/CH-X450 Mounting the front slider and rear slider 1. Position the unit with the rear side facing down, then rotate the third gear in the direction of the arrow (clockwise) until the lift arm comes to the position at which the holes are exposed, as shown in Fig.
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CH-X400/CH-X450 Mounting the sensor PCB assembly 1. Attach the longer spring to the white resin, and attach the shorter spring temporarily to the sensor assembly bracket. 2. Mount the sensor assembly so that the shaft of the lift arm is inserted into the longer hole on the white resin located on the back of the sensor PCB assembly.
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CH-X400/CH-X450 JC12 Forced eject procedures Magazine eject does not function. Completed RESET (Press EJECT for 3 sec.) Check that the trays remain no more than 10 mm inside the magazine. Are trays stored in the magazine? Check visually. Remove the bottom cover...
CH-X400/CH-X450 Troubleshooting Servicing procedures for CH-X400 & CH-X450 error displays Error display Servicing procedure E1: Eject error The magazine cannot be ejected until S601 (magazine switch) turns off. Can the magazine be ejected? YES 1, NO 1 The magazine switch (S601) does not turn off even though the magazine is completely ejected.
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CH-X400/CH-X450 CH-X400 & CX-H450 Error code The following error codes can be displayed and stored in up to 3 memories when the KD-MX3000 is used with the controller. Refer to the KD-MX3000 service manual regarding error code indication. The error code indication when using the earlier controller is the same as the CH-X99,KD-MK88 and other 12CD changer models.
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CH-X400/CH-X450 Flow chart for reading TOC (Table of contents) Power ON • When the laser diode correctly Set Function to CD • When the pickup correctly moves emits to the inner area of the disc Microprocessor Microprocessor Disc inserted commands...
CH-X400/CH-X450 General section Turn the power on with no magazine loaded. Reset Move the lifter until it The lifter moves up or Check the linear position comes to the STOP down and stops. sensor (VR601). position (shipping position). The position motor does Check the wiring of the not function.
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CH-X400/CH-X450 Feed section Is the voltage output at Is the wiring for IC521 Is 5V present at IC581 Check CD 9V IC521 pin u 5V or 0V? (90) (100) correct? pin 6? and 5V. Check the vicinity of IC521. Is 4V present at both...
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CH-X400/CH-X450 Signal processing section Is the sound output from No sound from either Compare the L-ch and both channels (L, R)? channel. R-ch to locate the defective point. Normal Is 9V present at IC101 pin Check the vicinity of the...
CH-X400/CH-X450 Wiring connections Sensor Ass'y CN503 CN904 CN601 WJM0017-002A Connect Board CN903 Spindol Motor Ass'y Feed Motor Ass'y Tray Motor Ass'y Mechanism Board Ass'y (SURFACE SIDE) CN501 CN502 Pick Up Ass'y LV30450-003A Wiring of mechanism board section 1-26...
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CH-X400/CH-X450 Pickup replacement procedure Third gear 1. Remove the bottom cover, front panel and top cover from the exterior section. Main PCB 2. Unplug the flexible ribbon wire from connector CN502 assembly 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.
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CH-X400/CH-X450 10. Remove the two rack arm fixing screws (4). Grounding point Pull out the feed slide shaft. Remove the shaft holder fixing screw (5). Pickup 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.
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CH-X400/CH-X450 Descriprion of major ICs BA5926S(IC581):CD/POSITION/TRAY DRIVER 1.Terminal layout & Block diagram BIAS 13.3K x3/8 x3/8 13.3K LEVEL SHIFT LEVEL SHIFT LEVEL SHIFT T.S.D LEVEL SHIFT LEVEL SHIFT 13.3K LEVEL SHIFT x3/8 x3/8 13.3K T.S.D: Thermal shut down circuit D: Driver buffer Unit of resistor:[ 2.Pin function...
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Memory power detect input Unused output port PWR SW CRTL+B detect input BUSOUT JVC bus output BUS INT JVC bus com start interrupt input CD ON CD power control Hi:on EJECT Eject key input PWR CONT Power supply control output Hi:on...
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CH-X400/CH-X450 2.Pin Function TC9462F(2/2) Symbol Function Pin No. RFRP signal center level input terminal RFCT RFRP zero cross input terminal RFZI RF ripple signal input terminal RFRP Focus error signal input terminal Sub-beam adder signal input terminal SBAD Test input terminal Normally, keep at "vref" level TSIN Tracking error signal input terminal.
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CH-X400 / CH-X450 VICTOR COMPANY OF JAPAN, LIMITED MOBILE ELECTRONICS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1Chome,Ohwatari-machi,Maebashi-city,Japan Printed in Japan (No.49585) 200012(V)
PARTS LIST [ CH-X400 ] [ CH-X450 ] * All printed circuit boards and its assemblies are not available as service parts. Areas suffix CH-X400 E ----------- Continental Europe J ------------- Northern America Areas suffix CH-X450 U --------------------- Other Areas...
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CH-X400/CH-X450 Exploded view of general assembly and parts list Block No. Jack board Silver...
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CH-X400/CH-X450 Parts list (General assembly) Block No. M1MM Item Parts number Parts name Q'ty Description Area --------------- CD CHANGER MECHA LV41843-001A LASER CAUTION CH-X400E,X450U LV20065-002B-SK FITTING LV40706-003A CAUTION LABEL QYSDST2004Z SCREW LV10407-004A TOP COVER CH-X450U LV10407-006A TOP COVER CH-X400E/J VYSH101-031...
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CH-X400/CH-X450 CD changer mechanism assembly and parts list Block No. LEN-320M Grease No.: JC-525 CFD-931 Bottom side Bottom side Bottom side CFD-931 The edge part on the back side Both CFD-9 31 side LEN- 320M Bottom side CFD-931 A Bottom side...
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CH-X400/CH-X450 Parts list (CD changer mechanism) Block No. M2MM Item Parts number Parts name Q'ty Description Area LV30928-201A TRA MECHA UNIT LV30096-002A CHASSIS(L) ASSY LV30097-001A CHASSIS(R) ASSY QYSDST2004Z SCREW QYSDST2004Z SCREW LV40129-003A MOTOR BKT ASS'Y PPN13KA10C-SA5 MOTOR ASS'Y WJM0017-001A E-SI C WIRE C-F...
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CH-X400/CH-X450 Parts list (CD changer mechanism) Block No. M2MM Item Parts number Parts name Q'ty Description Area LV40474-002A ELEVATOR SPRING OPTIMA-720L1 C.D PICK (CAR) FF050SK11170SA2 DC MOTOR QUB456-04A2A2 WIRE(F.MOTOR) QUB459-05A2A2 WIRE(F.MOTOR) LV40155-001A MIDDLE GEAR LV40156-001A S.S. GEAR LV40157-001A SCREW SHAFT...
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CH-X400/CH-X450 Electrical parts list (Main board) Block No. 01 Item Remarks Item Remarks Parts number Parts name Area Parts number Parts name Area C 101 QERF1CM-106Z E CAPACITOR 10MF 20% 16V C 605 QERF0JM-476Z E CAPACITOR 47MF 20% 6.3V C 102...
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CH-X400/CH-X450 Electrical parts list (Main board) Block No. 01 Item Remarks Item Remarks Parts number Parts name Area Parts number Parts name Area Q 921 2SC2412K/R/-X TRANSISTOR R 602 NRS181J-103X MG RESISTOR Q 922 2SA1037AK/R/-X TRANSISTOR R 603 NRSA63J-472X MG RESISTOR...
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CH-X400/CH-X450 Packing materials and accessories parts list Block No. A1 A7 Block No. KIT: A11,A12 P5 1/2 P5 1/2...
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CH-X400/CH-X450 Parts list (Packing) Block No. M3MM Item Parts number Parts name Q'ty Description Area QPA01703505P POLY BAG INSTRUCTIONS QPA00801205 POLY BAG SCREW KIT QPC03005120P POLY BAG LV32482-001A CARTON CH-X450U LV32480-001A CARTON CH-X400E/J LV10504-001A CUSHION LV30453-003A ACCESSARY BOX LV30575-002A SEPALATOR...