Panasonic sc akx12lb k

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PSG1102024CE

Service Manual

Remote

Control

SA-AKX12 SB-AKX12

SB-AKX12

CD Stereo System

Model No. SA-AKX12PH

SA-AKX12PN

Product Color: (K)...Black Type

Please refer to the original service manual for:

0 CD Mechanism Unit (BRS1 C), Order No. PSG1102001 CE
0 Speaker system SB-AKX12PN-K, Order No. PSG1102026CE

A WARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public,

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service
or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

IMPORTANT SAFETY NOTICE

There are special components used in this equipment which are important for safety. These parts are marked by A in the Schematic
Diagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is essential that these critical parts should be replaced
with manufacturers specified parts to prevent shock, lire or other hazards Do not modify the original design without permission ol

manufacturer.

TABLE OF CONTENTS

1 Safety Precautions --------
1.1. General Guidelines-
1.2. Before Use (For PH only) ----------
1.3. Caution For Fuse Replacement--
1.4. Before Repair and Adjustment
1.5. Protection Circuitry ---------------
1.6. Safety Parts Information

2 Warning -----------------------------
2.1. Prevention of Electrostatic Discharge (ESD)

to Electrostatic Sensitive (ES) Devices

2.2. Precaution of Laser Diode---
2.3. Service caution based on Legal restrictions
2.4. Handling Precautions for Traverse Unit ------

3 Service Navigation ---------------------------------------------- 11

Panasonici

3.1. Service Information
4 Specifications --------------
5 Location of Controls and Components--
5.1. Main Unit Key Button Operation»-
5.2. Remote Control Key Button Operation
5.3. Media Information ---------------------------
6 Self-Diagnostic and Special Mode Setting
6.1. Cold-Start -------------------------------------
6.2. Doctor Mode Table --------------------------------------- 17
6.3. Reliability Test Mode (CD Mechanism Unit
(BRS1C))--
6.4. Self-Diagnostic Mode --
6.5. Self-Diagnostic Error Code Table »
6.6. Sales Demonstration Lock Function ---------------- 22

© Panasonic Corporation 2011. All rights reserved.
Unauthorized copying and distribution is a violation
of law.

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7 Troubleshooting Guide ----------------------------------
7.1. Troubleshooting Guide for F61 and/or F76 --
7.2. Part Location -----------------------
7.3. D-Amp IC Operation & Control -

8 Disassembly and Assembly Instructions-
8.1. Disassembly Flow Chan ------------------
8.2. Main Components and P.C.B. Locations
8.3. Disassembly of Top Cabinet ----------------
8.4. Disassembly of Tuner P.C.B.---
8.5. Disassembly of Front Panel Uni
8.6. Disassembly of Panel P.C.B.-
8.7. Disassembly of Remote Sensor P.C.B
8.8. Disassembly of LCD P.C.B. --------------
8.9. Disassembly of USB P.C.B.

8.10. Disassembly of CD Lid ------

8.11. Disassembly of Main P.C.B. --------------------------- 38

8.12. Replacement of Voltage Regulator IC
(IC2010) ---------------------------------------------------- 39

8.13. Replacement of Audio Digital Amp IC
(IC5902) --

8.14. Disassembly of SMPS P.C.B.
8.15. Replacement of Switching Regulator IC

(I05701) ----------------------------------------- 43
8.16. Replacement of Rectifier Diode (D5702) --44
8.17. Replacement of Rectifier Diode (D5801)-- 46
8.18. Replacement of Rectifier Diode (D5802)-- 47

8.19. Replacement of Regulator Diode (D5803) --------- 48
8.20. Disassembly of CD Mechanism Unit (BRS1C) --49
8.21. Disassembly of Rear Panel -------------- ---51
8.22. Disassembly of Voltage Selector P.C.B.-
9 Replacement of Traverse Unit --
9.1. Disassembly of Traverse Unit
9.2. Assembly of Traverse Unit----
9.3. Disassembly of CD Servo PCB

10 Service Position ------------------------
10.1. Checking and Repairing of Main P.C.B.
10.2. Checking and Repairing of Panel P.C.B.--
10.3. Checking and Repairing of LCD P.C.B.--
10.4. Checking and Repairing of SMPS P.C.B
10.5. Checking and Repairing of CD Servo P.C.B.
11 Voltage & Waveform Chart-
11.1. CD Servo P.C.B. --------
11.2. Main P.C.B. (1/2) --
11.3. Main P.C.B. (2/2) --
11.4. LCD P.C.B.--
11.5. Tuner P.C.B.
11.6. SMPS P.C.B.
11.7. Waveform Table
12 Illustration of ICs, Transistor and Diode --
13 Simplified Block Diagram ----------------
13.1. Overall Simplified Block Diagram
13.2. Power Block Diagram -
14 Block Diagram -----------------
14.1. Servo & System Control-
14.2. Audio -------------------------
14.3. Power Supply
15 Wiring Diagram -----
16 Schematic Diagram -----------------
16.1. Schematic Diagram Notes -
16.2. CD Servo Circuit
16.3. Main Circuit ------

16.4. Panel, LCD. Remote Sensor & USB Circuit 85
16.5. Tuner & Voltage Selector Circuit ------------------- 86
16.6. SMPS Circuit----
17 Printed Circuit Board
17.1. CD Servo P.C.B.
17.2. Main & Tuner P.C.B.
17.3. Panel, LCD. Remote Sensor & USB P.C.B.-
17.4. SMPS & Voltage Selector P.C.B. -----------
17.5. SMPS P.C.B. ------------
18 Terminal Function of le--
18.1. |C2003 (RFKWMAKX12M0): IC MICRO

PROCESSOR --------------------------------
18.2. ICQOO(COHBA0000295): IC FL Driver--
19 Exploded View and Replacement Parts List ----------- 97
19.1. Exploded View and Mechanical replacement
Part List -------------------------------- 97
19.2. Electrical Replacement Part List- ---103