Panasonic sa akx 50 ph service manual

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PSG1003011CE

rvice Manual

CD Stereo System
@comm Model NO. SA'AKXSOPH

rr-oruergfig SA-AKX5OPN

Remote Product Color: (K)...Black Type
SB-AKX70 SB -AKX70

Control

SA-AKXSO

Notes: Please refer to the original service manual for:
0 CD Mechanism Unit (DLSGC),Order No:MD0803034CE
0 Speaker system SB-AKX70PNAK,Order No.PSG1004001 CE

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, fire or other hazards. Do not modify the original design without permission of
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 5 Location of Controls and Components--

2 Warning ----------------------------- 5.1. Main Unit Key Button Operation»-

2.1. Prevention of Electrostatic Discharge (ESD) 5.2. Remote Control Key Button Operation
to Electrostatic Sensitive (ES) Devices -------------- 6 5.3. Media Information ---------------------------

2.2. Precaution of Laser Diode ------------------------
2.3. Service caution based on Legal restrictions -
2.4. Handling Precautions for Traverse Unit -
3 Service Navigation ----------------------------------
3.1. Service Information
4 Specifications --------------

© Panasonic Corporation 2010. All rights reserved.

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

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6 Self-Diagnostic and Special Mode Setting -- 16
6.1. Cold-Start ------------------------------------- 16
6.2. Doctor Mode Table --------------------------------------- 17
6.3. Reliability Test Mode (CD Mechanism Unit

(DLSSC)) ----------------- 19

6.4. Self-Diagnostic Mode -
6.5. Self-Diagnostic Error Code Table

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

8 Service Fixture & Tools --------------
8.1. Service Tools and Equipment

9 Disassembly and Assembly Instructions-
9.1. Disassembly Flow Chart ------------------
9.2. Main Components and P.C.B. Locations
9.3. Disassembly of Top Cabinet ----------------
9.4. Disassembly of Tuner P.C.B. ------------
9.5. Disassembly of Front Panel Assembly --
9.6. Disassembly of Panel P.C.B.-
9.7. Disassembly of Remote Sensor P.C.B
9.8. Disassembly of CD Open Button P.C.B.-
9.9. Disassembly of Jupiter P.C.B. ------------------------- 38
9.10. Disassembly of Music Port/Headphone P.C.B. --38
9.11. Disassembly of CD Lid ------ 39
9.12. Disassembly of Main P.C.B

9.13. Replacement of Regulator IC (lC2010)-- ---41
9.14. Disassembly of Mic P.C.B. --------------- 42
9.15. Disassembly of D-Amp P.C.B. - 43
9.16. Disassembly of SMPS P.C.B. -- 45
9.17. Replacement of Switching Regulator IC
(IC5701) ----------------------------------------- 46
9.18. Replacement of Rectifier Diode (D5702) 47
9.19. Replacement of Regulator Diode (D5801)--- --49
9.20. Replacement of Regulator Diode (D5802)--- --50
9.21. Replacement of Regulator Diode (D5803) --------- 51
9.22. Disassembly of CD Mechanism Unit (DLS6C) -5--2
9.23. Disassembly of Rear Panel ---------------------------- 53
9.24. Disassembly of Voltage Selector P.C.B. (For
PH only) -- 54
9.25. Disassembly of CD Servo P.C.B 55
9.26. Replacement of Audio Digital Amp IC
(IC5000) ---------------------------------------------------- 56
9.27. Replacement of Audio Digital Amp IC
(l05400) ------------------------ --57

10 Replacement of Traverse Unit --
10.1. Disassembling Procedures
10.2. Assembling Procedure ------

11 Service Position -----------------------------------
11 .1. Checking and Repairing of Main P.C.B. -
11.2. Checking and Repairing of D-Amp P.C.B.
11.3. Checking and Repairing of Panel P.C.B.
11.4. Checking and Repairing of Jupiter P.C.B.
11.5. Checking and Repairing of SMPS P.C.B

12 Voltage & Waveform Chart ------------------------
12.1. CD Servo P.C.B.---
12.2. Main P.C.B. (1/2) --
12.3. Main P.C.B. (2/2) --
12.4. Jupiter P.C.B. (1/3)
12.5. Jupiter P.C.B. (2/3)
12.6. Jupiter P.C.B. (3/3)---

12.7. Panel P.C.B.--
12.8. D-Amp P.C.B.
12.9. SMPS P.C.B.-
12.10. Tuner P.C.B.--
12.11. Mic P.C.B. ----------------
12.12. Waveform Table (1/2) -
12.13. Waveform Table (2/2) --------------------
13 Illustration of ICS, Transistor and Diode-
14 Simplified Block Diagram ----------------
14.1. Overall Simplified Block Diagram
14.2. D-Amp Block Diagram--

15 Block Diagram -----------------
15.1. Servo/System Control
15.2. IC Terminal Chart (Servo/System Control) ------ 78
15.3. Audio -----------------------------------------------
15.4. Power Amplifier --
15.5. Power Supply -----

16 Wiring Diagram ----------------
17 Schematic Diagram Notes-
18 Schematic Diagram --
18.1. CD Servo Circuit-
18.2. Main Circuit ------
18.3. Jupiter Circuit
18.4. Panel Circuit -
18.5. CD Open Button, Remote Sensor, Tuner,

Music Port/Headphone Circuit ........................ 98

18.6. .... 99

18.7. ".101

18.8. Mic & Voltage Selector Circuit (For PH Only)----103

19 Printed Circuit Board ......................................... 104
19.1. CD Servo, Mic & Voltage Selector P.C.B. (For

PH Only) ---104

19.2. Main P.C.B. ...105

19.3. Jupiter P.C.B. ".105

19.4. Panel P.C.B.-- ...107

19.5. CD Open Button, Remote Sensor, Tuner,
Music Port/Headphone P.C.B. ----------------------- 108

19.6. D-Amp P.C.B. ------------------- ---109

19.7. SMPS P.C.B. (For PH Only) 110

19.8. SMPS P.C.B. (For PN Only) 111

20 Terminal Function of le ----------- 113
20.1. |C2003 (RFKWMAKX50PN): IC MICRO-

PROCESSOR -------------------------------- 113

20.2. |06901(COHB80000057): IC FL Driver 114

21 Exploded View and Replacement Parts List ---------- 115
21.1. Exploded View and Mechanical replacement

Part List -------------------------------- 115

21.2. Electrical Replacement Part List- ---121