Panasonic sa akx90ph pr

Page 1

PSG10030100E

Service Manual

CD Stereo System

@comm Model NO. SA'AKXQOPH
3% SA-AKX90PR

DIGITAL VIDEO
88- P890 SB-PF90 SB»WAKX91 Product Color: (K)...Black Type

> Remote
Control

Notes: Please refer to the original service manual for:
9 CD Mechanism Unit (DLSGC),Order No:M00803034CE
0 Speaker System SB-AKX90PH-K,Order No.:PSG1003001 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 manufacturer's specified pans to prevent shock, fire or other hazards. Do not modify the original design without permission of
manufacturer.

TABLE OF CONTENTS

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 -

1 Safety Precautions --------
1.1. General Guidelines»
1.2. Before Use ----------------------------
1.3. Caution For Fuse Replacement--
1.4. Before Repair and Adjustment
1.5. Protection Circuitry ---------------

© Panasonic Corporation 2010. All rights reserved.

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

Page 2

2.4. Handling Precautions for Traverse Unit -

3 Service Navigation --------------------------------
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--
6.3. Reliability Test Mode (CD Mechanism Unit

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

6.4. Self-Diagnostic Mode ------------------ --20
6.5. Self-Diagnostic Error Code Table ---21
7 Troubleshooting Guide ---------------------------------- 22
7.1. Troubleshooting Guide for F61 and/or F76)- --22
7.2. Part Location ----------------------- --23

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 Chan ---------------------
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.
9.10. Disassembly of Music Port/Headphone P.C.B.
9.11. Disassembly of CD Lid ---------------------------------- 40

9.12. Disassembly of Main P.C.B. ------------- ---41
9.13. Replacement of Regulator IC (IC2010)-- 42
9.14. Disassembly of Mic P.C.B. 43
9.15. Disassembly of D-Amp P.C.B 44
9.16. Disassembly of SMPS P.C.B. ------------------------- 46
9.17. Replacement of Switching Regulator IC
(lCS701)-- 47
9.18. Replacement of Rectifier Diode (D5702) 48
9.19. Replacement of Regulator Diode (D5801)--- 50
9.20. Replacement of Regulator Diode (D5802)--- 51
9.21. Replacement of Regulator Diode (D5803)--- 52

9.22. Disassembly of CD Mechanism Unit (DLS6C) --53
9.23. Disassembly of Rear Panel ............................ 55

9.24. Disassembly of Voltage Selector P.C.B.- --56
9.25. Disassembly of CD Servo P.C.B. ------- 57
9.26. Replacement of Audio Digital Amp IC
(IC5000) ---------------------------------------------------- 58
9.27. Replacement of Audio Digital Amp IC
(IC5400) ---------------------------------------------------- 59
9.28. Replacement of Audio Digital Amp IC
(I05200) ---------------------------------------------------- 60
9.29. Replacement of Audio Digital Amp IC
(IC5300) ----------------------------------------- ---61
9.30. Disassembly of Surround D-Amp P.C.B. --62

9.31. Replacement of Audio Digital Amp IC
(I05900) ------------------------

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 Surround D-Amp
P.C.B. ------------------------------------------------------- as
11.4. Checking and Repairing of Panel P.C.B. -
11.5. Checking and Repairing of Jupiter P.C.B.
11.6. 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. (1/3)-
12.3. Main P.C.B. (2/3)----
12.4. Main P.C.B. (3/3)----
12.5. Jupiter P.C.B. (1/3) -
12.6. Jupiter P.C.B. (2/3)
12.7. Jupiter P.C.B. (3/3)
12.8. Panel P.C.B.--
12.9. D-Amp P.C.B.
12.10. SMPS P.C.B.-
12.11. Tuner P.C.B
12.12. Surround D-Amp P.C.B.-
12.13. Mic P.C.B. -------------
12.14. Waveform Table (1/2)-
12.15. Waveform Table (2/2) --------------------
13 Illustration of le, 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) --
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 ----------------------- 110

18.6. D-Amp Circuit -------------- 111
18.7. Surround D-Amp Circuit 113
18.8. SMPS Circuit ----------------------- 114
18.9. Mic & Voltage Selector Circuit- 116
19 Printed Circuit Board ................................. 117

117
118
119

19.1. CD Servo, Mic & Voltage Selector P.C.B.
19.2. Main P.C.B.---
19.3. Jupiter P.C.B.

19.4. Panel P.C.B.-- ---120
19.5. CD Open Button. Remote Sensor. Tuner,
Music Port/Headphone & Surround D-Amp

P.C.B. ---------- ".121

19.6. D-Amp P.C.B. ---122

19.7. SMPS P.C.B. ------------ -123

20 Terminal Function of le ---125
20.1. IC2003 (RFKWMAKX90PH): IC MICRO

PROCESSOR ------------------------------------------- 125