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PSG1102025CE

CD Stereo System
Model No. SA-AKX32PH
SA-AKX32PN
Product Color: (K)...Black Type

Please refer to the original service manual for:
CD Mechanism Unit (BRS1C), Order No. PSG1102001CE
Speaker system SB-AKX32PN-K, Order No. PSG1102027CE

TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions----------------------------------------------- 3 3.1. Service Information -------------------------------------- 11
1.1. General Guidelines---------------------------------------- 3 4 Specifications ---------------------------------------------------- 12
1.2. Before Use (For PH only)-------------------------------- 3 5 Location of Controls and Components------------------ 13
1.3. Caution For Fuse Replacement------------------------ 3 5.1. Main Unit Key Button Operation---------------------- 13
1.4. Before Repair and Adjustment ------------------------- 4 5.2. Remote Control Key Button Operation ------------- 14
1.5. Protection Circuitry ---------------------------------------- 4 5.3. Media Information---------------------------------------- 15
1.6. Safety Parts Information --------------------------------- 5 6 Self-Diagnostic and Special Mode Setting ------------- 16
2 Warning -------------------------------------------------------------- 6 6.1. Cold-Start -------------------------------------------------- 16
2.1. Prevention of Electrostatic Discharge (ESD) 6.2. Doctor Mode Table--------------------------------------- 17
to Electrostatic Sensitive (ES) Devices -------------- 6 6.3. Reliability Test Mode (CD Mechanism Unit
2.2. Precaution of Laser Diode------------------------------- 7 (BRS1C))--------------------------------------------------- 19
2.3. Service caution based on Legal restrictions -------- 8 6.4. Self-Diagnostic Mode ----------------------------------- 20
2.4. Handling Precautions for Traverse Unit-------------- 9 6.5. Self-Diagnostic Error Code Table -------------------- 21
3 Service Navigation ----------------------------------------------11 6.6. Sales Demonstration Lock Function ---------------- 22
7 Troubleshooting Guide---------------------------------------- 23 14.2. D-Amp Block Diagram---------------------------------- 80
7.1. Troubleshooting Guide for F61 and/ or F76 ------- 23 15 Block Diagram --------------------------------------------------- 81
7.2. Part Location ---------------------------------------------- 24 15.1. Servo & System Control ------------------------------- 81
7.3. D-Amp IC Operation & Control ----------------------- 27 15.2. IC Terminal Chart ---------------------------------------- 83
8 Service Fixture & Tools --------------------------------------- 29 15.3. Audio-------------------------------------------------------- 84
8.1. Service Tools and Equipment ------------------------- 29 15.4. Power Supply --------------------------------------------- 86
9 Disassembly and Assembly Instructions --------------- 30 16 Wiring Diagram-------------------------------------------------- 88
9.1. Disassembly Flow Chart-------------------------------- 31 17 Schematic Diagram -------------------------------------------- 89
9.2. Main Components and P.C.B. Locations ----------- 32 17.1. Schematic Diagram Notes ---------------------------- 89
9.3. Disassembly of Top Cabinet--------------------------- 33 17.2. CD Servo Circuit ----------------------------------------- 91
9.4. Disassembly of Tuner P.C.B. -------------------------- 34 17.3. Main Circuit------------------------------------------------ 93
9.5. Disassembly of Front Panel Unit --------------------- 34 17.4. Panel Circuit --------------------------------------------- 101
9.6. Disassembly of Jupiter P.C.B.------------------------- 36 17.5. Music Port Circuit --------------------------------------- 103
9.7. Disassembly of Panel P.C.B. -------------------------- 37 17.6. Remote Sensor, USB & Tuner Circuit ------------- 104
9.8. Disassembly of Remote Sensor P.C.B.------------- 38 17.7. Jupiter Circuit -------------------------------------------- 105
9.9. Disassembly of USB P.C.B. --------------------------- 39 17.8. D-Amp Circuit-------------------------------------------- 109
9.10. Disassembly of Music Port P.C.B. ------------------- 39 17.9. SMPS Circuit--------------------------------------------- 110
9.11. Disassembly of CD Lid---------------------------------- 40 17.10. Voltage Selector Circuit ------------------------------- 112
9.12. Disassembly of Main P.C.B. --------------------------- 41 18 Printed Circuit Board----------------------------------------- 113
9.13. Replacement of Voltage Regulator IC 18.1. CD Servo P.C.B. ---------------------------------------- 113
(IC2010) ---------------------------------------------------- 42 18.2. Main P.C.B.----------------------------------------------- 114
9.14. Disassembly of D-Amp P.C.B. ------------------------ 43 18.3. Panel P.C.B.---------------------------------------------- 115
9.15. Replacement of Audio Digital Amp IC 18.4. Music Port, Remote Sensor, USB & Tuner
(IC5900) ---------------------------------------------------- 45 P.C.B. ------------------------------------------------------ 116
9.16. Disassembly of SMPS P.C.B. ------------------------- 46 18.5. Jupiter P.C.B. -------------------------------------------- 117
9.17. Replacement of Switching Regulator IC 18.6. SMPS & Voltage Selector P.C.B. (For PH
(IC5701) ---------------------------------------------------- 47 Only) ------------------------------------------------------ 118
9.18. Replacement of Rectifier Diode (D5702)----------- 49 18.7. SMPS (For PN Only) & D-Amp P.C.B. ------------ 119
9.19. Replacement of Rectifier Diode (D5801)----------- 51 19 Terminal Function of ICs ------------------------------------ 121
9.20. Replacement of Rectifier Diode (D5802)----------- 52 19.1. IC2003 (RFKWMAKX32M0): IC MICRO-
9.21. Replacement of Rectifier Diode (D5803)----------- 53 PROCESSOR ------------------------------------------- 121
9.22. Disassembly of CD Mechanism Unit (BRS1C) --- 54 19.2. IC6001(C0HBB0000057): IC FL Driver ----------- 122
9.23. Disassembly of Rear Panel---------------------------- 56 20 Exploded View and Replacement Parts List---------- 123
9.24. Disassembly of Voltage Selector P.C.B.------------ 57 20.1. Exploded View and Mechanical replacement
10 Replacement of Traverse Unit ------------------------------ 58 Part List --------------------------------------------------- 123
10.1. Disassembly of Traverse Unit------------------------- 58 20.2. Electrical Replacement Part List -------------------- 129
10.2. Assembly of Traverse Unit----------------------------- 60
10.3. Disassembly of CD Servo P.C.B.--------------------- 62
11 Service Position ------------------------------------------------- 65
11.1. Checking and Repairing of Main P.C.B. ------------ 65
11.2. Checking and Repairing of D-Amp P.C.B. --------- 65
11.3. Checking and Repairing of Panel P.C.B. ----------- 65
11.4. Checking and Repairing of Jupiter P.C.B.---------- 66
11.5. Checking and Repairing of SMPS P.C.B. ---------- 67
11.6. Checking and Repairing of CD Servo P.C.B.------ 68
12 Voltage & Waveform Chart ----------------------------------- 69
12.1. CD Servo P.C.B.------------------------------------------ 69
12.2. Main P.C.B. (1/3) ----------------------------------------- 70
12.3. Main P.C.B. (2/2) ----------------------------------------- 71
12.4. Main P.C.B. (3/3) ----------------------------------------- 71
12.5. Panel P.C.B. ----------------------------------------------- 72
12.6. Tuner P.C.B. ----------------------------------------------- 72
12.7. Jupiter P.C.B. (1/3)--------------------------------------- 73
12.8. Jupiter P.C.B. (2/3)--------------------------------------- 74
12.9. Jupiter P.C.B. (3/3)--------------------------------------- 75
12.10. D-Amp P.C.B. --------------------------------------------- 75
12.11. SMPS P.C.B. ---------------------------------------------- 76
12.12. Waveform Table ------------------------------------------ 77
13 Illustration of ICs, Transistor and Diode ---------------- 78
14 Simplified Block Diagram ------------------------------------ 79
14.1. Overall Simplified Block Diagram -------------------- 79

2
1 Safety Precautions
1.1. General Guidelines
1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or
damaged by the short circuit.
2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly
installed.
3. After servicing, carry out the following leakage current checks to prevent the customer from being exposed to shock hazards.

1.1.1. Leakage Current Cold Check
1. Unplug the AC cord and connect a jumper between the two prongs on the plug.
2. Measure the resistance value, with an ohmmeter, between the jumpered AC plug and each exposed metallic cabinet part on
the equipment such as screwheads, connectors, control shafts, etc. When the exposed metallic part has a return path to the
chassis, the reading should be between 1M and 5.2M.
When the exposed metal does not have a return path to the chassis, the reading must be

1.1.2. Leakage Current Hot Check
1. Plug the AC cord directly into the AC outlet. Do not use an isolation transformer for this check.
2. Connect a 1.5k, 10 watts resistor, in parallel with a 0.15