KDC-3025/325/5026/G DISASSEMBLY FOR REPAIR How to Disassemble (PANEL ASSY) How to install knob (SRC) 1) Remove four screws (A). 1) Place knob (F) and knob (G) in the positions indicated in 2) While holding the section (B) indicated with arrows, pull and the diagram below.
KDC-3025/325/5026/G COMPONENTS DESCRIPTION SWITCH UNIT (X16-2500-xx) Ref. No. Application/Function Operation/Condition/Compatibility LCD Driver Drives LCD Remote Control IC Controls the unit. Q1,Q4 REMO ON SW The power supply of IC2 is turned on when base level goes “L”. ELECTRIC UNIT (X34-3090-xx) Ref.
KDC-3025/325/5026/G MICROCOMPUTER’S TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER : M30302MC-1N4FP (X34 : IC1) Truth Value Pin No. Pin Name Application Processing Operation Description Table OPEN (Output L fixed) REMO Remote control input OPEN (Output L fixed) BYTE External data bus width switching input...
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KDC-3025/325/5026/G MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Value Pin No. Pin Name Application Processing Operation Description Table M RST RESET output to CD mechanism Normal : H, When RESET : L M-MUTE R MUTE request (Rch) from CD mechanism L : MUTE ON...
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KDC-3025/325/5026/G MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Value Pin No. Pin Name Application Processing Operation Description Table 82~88 OPEN (Output L fixed) KEY-REQ Communication request from LCD driver L : Key input detect 90~92 OPEN (Output L fixed) S-METER S-meter voltage input...
KDC-3025/325/5026/G TEST MODE 1. How to enter the test mode 7.CD Receiver Test Mode Specification • While holding the Preset 1 and Preset 3 keys, reset the unit. • When resetting to start, forced ejection of CD is prohib- ited. When a CD is in place, the CD is not recognized when reset.
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KDC-3025/325/5026/G TEST MODE 11. Special display when the display is All ON Security Pressing the Preset keys while the power is All OFF dis- • Forced Power ON mode (All models) plays the following information. Even when the security is approved, resetting the unit while...
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KDC-3025/325/5026/G PC BOARD (COMPONENT SIDE VIEW) CD PLAYER UNIT X32-5390-00 (J74-1485-12) X32-5390-00 Address Refer to the schematic diagram for the values of resistors and capacitors.
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KDC-3025/325/5026/G PC BOARD (FOIL SIDE VIEW) CD PLAYER UNIT X32-5390-00 (J74-1485-12) B/TE VDET TRCRS RFENV NRFDET D/ARF GCTL VREF2 D.OUT SPDL- SLED IN/EJECT /MUTER /MUTEL SLED OUT/LOAD /MSTOP /MRST R100 MOTOR SPDL+ LO/EJ Lch A.+8V S7.5V A.GND 8EJE S.GND SPDL...
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KDC-3025/325/5026/G GMENT) OMMON) KDC-325/3025 (2/2) KDC-5026/G (2/2) CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list). Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
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KDC-3025/325/5026/G EXPLODED VIEW (MECHANISM) DPU1 DFPC1 (X32) φ : N09-4460-05 : N09-4472-15 M1.7x8.5 M1.7x2.5 : N09-6004-05 M2x2 : N09-6007-05 φ : N09-6051-05 2x6(BLK) : N19-2163-04 1.6 WASHER : N39-2020-46 M2x2 : N09-6108-05 M2x3.5 φ : N09-6155-05 Refer to the service manual X92-4030-0x (B51-7867-00) for CD mechanism operation.
ITEM CARTON CASE R22-25 RK73FB2B331J CHIP R J 1/8W H54-3004-03 ITEM CARTON CASE RK73FB2B271J CHIP R J 1/8W K : KDC-325 K1 : KDC-3025 M : KDC-5026G M1 : KDC-5026 Indicates safety critical components. (K : North America M : Other Areas)
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100 X2 R90-1014-05 MULTI-COMP 100 X4 BA5824FP ANALOGUE IC R90-0974-05 MULT R 1.8K X4 NJM4580M1 ANALOGUE IC K : KDC-325 K1 : KDC-3025 M : KDC-5026G M1 : KDC-5026 Indicates safety critical components. (K : North America M : Other Areas)
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RK73GB2A225J CHIP R 2.2M J 1/10W E41-0167-05 PIN ASSY R162,163 RK73GB2A104J CHIP R 100K J 1/10W K : KDC-325 K1 : KDC-3025 M : KDC-5026G M1 : KDC-5026 Indicates safety critical components. (K : North America M : Other Areas)
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TACT SWITCH D22,23 AM01ZNF DIODE CD MECHANISM ASSY (X92-4650-00) D24,25 D1F60 DIODE A10-4827-32 CHASSIS D26,27 1SS133 DIODE K : KDC-325 K1 : KDC-3025 M : KDC-5026G M1 : KDC-5026 Indicates safety critical components. (K : North America M : Other Areas)
SEMS (TAPTITE SCREW) (PT2X6) T42-1066-04 DC MOTOR ASSY (SP) T42-1067-04 DC MOTOR ASSY (LO) DPU1 X93-2010-00 OPTICAL PICKUP ASSY K : KDC-325 K1 : KDC-3025 M : KDC-5026G M1 : KDC-5026 Indicates safety critical components. (K : North America M : Other Areas)