Panasonic sa akx54 psg1203049ce

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PSG12030490E

Service Manual

CD Stereo System

Model No. SA-AKX54PH
2:35;? SA-AKX54PN

SB-AKX54 SA-AKX54 SB-AKX54
Product Color: (K)...Black Type

Please refer to the original service manual for:
0 CD Mechanism Unit (BRS11C), Order No. PSG1201019AE
0 Speaker system SB-AKX54PN-K, Order No. PSG12030520E

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 pans should be replaced
with manufacturers specified parts to prevent shock, fire or other hazards. Do not modify the original design without permission of

manufacturer.

TABLE OF CONTENTS

1 Safety Precautions ----------------------------------------------- 3 3 Service Navigation --------------------------------------------- 11

PAGE PAGE

3.1. Service Information

4 Specifications --------------
5 General/Introduction -----
5.1. Media Information--

6 Location of Controls and Components -----
1.6. Safety Parts Information 6.1. Remote Control Key Button Operation

2 Warning--- 6.2. Main Unit Key Button Operation---
2.1. Prevention of Electrostatic Discharge (ESD) 7 Installation Instructions -----------

to Electrostatic Sensitive (ES) Devices -------------- 6 7.1. Speaker and NC Connection -

2.2. Precaution of Laser Diode ----------------------- 8 Service Mode--
2.3. Service caution based on Legal restrictions 8.1. Cold-Start -
2.4. Handling Precautions for Traverse Unit -------------- 9 8.2. Doctor Mode Table --------------------------------------- 18

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

© Panasonic Corporation 2012. All rights reserved.

Panasonic® Unauthorized copying and distribution is a violation
of law.

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8.3. Reliability Test Mode (CD Mechanism Unit
(BRS11C)) ------------------------------------------------- 21
8.4. Self-Diagnostic Mode ------------------
8.5. Self-Diagnostic Error Code Table
8.6. Sales Demonstration Lock Function --
9 Troubleshooting Guide --------------------------
9.1. Part Location ----------------------------------------
9.2. Troubleshooting Guide for F61 and/or F76 --
9.3. D-Amp IC Operation & Control -
10 Service Fixture & Tools --------------
11 Disassembly and Assembly Instructions-
11.1. Disassembly Flow Chart ------------------
11.2. Main Components and P.C.B. Locations
11.3. Disassembly of Top Cabinet -----
11.4. Disassembly of Front Panel Uni
11.5. Disassembly of Mic P.C.B. -
11.6. Disassembly of Panel P.C.B.-
11.7. Disassembly of Memory LED P.C.B. --
11.8. Disassembly of Remote Sensor P.C.B
11.9. Disassembly of USB P.C.B. --
11.10. Disassembly of Music Port P.C.B.
11.11. Disassembly of CD Lid -----------------

11.12. Disassembly of Main P.C.B. --------------------------- 41
11.13. Replacement of Voltage Regulator IC
(lCZOtO) ---------------------------------------------------- 42
11.14. Replacement of Voltage Regulator IC
(IC2011) ---------------------------------------------------- 43
11.15. Replacement of Audio Digital Amp IC
(l05800) ---------------------------------------------------- 44
11.16. Replacement of Audio Digital Amp IC
(l05700) -- 46
11.17. Disassembly of SMPS P.C.B. 47
11.18. Replacement of Switching Regulator IC
(IC5701) ----------------------------------------- 48
11.19. Replacement of Rectifier Diode (D5702) 49
11.20. Replacement of Rectifier Diode (D5801)-- 51
11.21. Replacement of Rectifier Diode (D5802)-- 52

11.22. Replacement of Regulator Diode (D5803) --------- 54
CD Mechanism Unit

11.23. Disassembly of
(BRS11C)
11.24. Disassembly of CD Interface P.C.B.
11.25. Disassembly of CD Servo P.C.B.----
11.26. Disassembly of Rear Panel --------------
11.27. Disassembly of Voltage Selector P.C.B.-
12 Service Position --------------------------------
12.1. Checking and Repairing of Main P.C.B. -
12.2. Checking and Repairing of Panel P.C.B.--
12.3. Checking and Repairing of SMPS P.C.B. -
12.4. Checking and Repairing of CD Servo P.C.B.
(Side A) ----------------------------------------------------- 63
12.5. Checking and Repairing of CD Servo P.C.B.
(Side B) -----------------
13 Simplified Block Diagram
13.1. Power Block Diagram -
14 Block Diagram -----------------
14.1. Servo & System Control-
14.2. lC Terminal Chart ----------
14.3. Audio -----------
14.4. Power Supply
15 Wiring Connection Diagram--
16 Schematic Diagram --------------

16.1. Schematic Diagram Notes
16.2. CD Servo Circuit -------------
16.3. Main(M|CON) Circuit--
16.4. Main(D-Amp) Circuit --

16.5. Panel Circuit ---------------------------------------------- 94
16.6. Remote Sensor, USB, Music Port and
Memory LED Circuit ------------------------------------- 96

16.7. CD Interface. Voltage Selector (For PH) and

16.8. SMPS Circuit-
17 Printed Circuit Board
17.1. CD Servo P.C.B. -
17.2. Main P.C.B. (Side A) --

17.3. Main P.C.B. (Side B) ................................... 102
17.4. Panel, Remote Sensor, USB and Music Port
P.C.B. ---------------------------------------------- ".103

17.5. Memory LED. CD Interface and Mic P.C.B.- ---104

17.6. SMPS and Voltage Selector P.C.B. (PH) -

17.7. SMPS P.C.B. (PN) ---------------------------

18 Appendix Information of Schematic Diagram --

18.1. Voltage & Waveform Chart ----------------

18.2. Illustration of ICS, Transistor and Diode

18.3. Terminal Function of ICs -------------------

19 Exploded View and Replacement Parts List--
19.1. Exploded View and Mechanical Replacement

Part List --------------------------------------------------- 117

19.2. Electrical Replacement Part List -------------------- 123