Panasonic sa ak980pu

Page 1

PSG0905029CE

Service Manual

CD Stereo System

mm Model No. SA-AK980PU
filn-§@ Product Color: (K)...Black Type

_GITAL WDEO

SB-WAK981 SB-PSQSO SB-PSQBO

EDmj SB-PFQBO SBAPFQBO SB-WAKQSO SA-A K980

Transmitter

Notes: This models CD Mechanism Unit (CR14C). Please refer to the Original Service Manual
(Order No. M00805031 CE) for this CD Mechanism Unit.

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, tire or other hazards. Do not modify the original design without permission of

manufacturer.

TABLE OF CONTENTS

PAGE

1 Safety Precautions------ 16. Safety Parts |nformation----------------------------------5

1.1. General Guideline 2 Warning 6
1.2. Before Use --------------------------- 21. Prevention of Electrostatic Discharge (ESD)

1.3. Caution For Fuse Replacement- to Electrostatic Sensitive (ES) Devices---------------6

1.4. Before Repair and Adjustment -- 2.2. Precaution of Laser Diode ..7

15. Protection Circuitw ----------------- 2.3. Service caution based on Legal restrictions -

© Panasonic Corporation 2009. All rights reserved.

- ® Unauthorized copying and distribution is a violation
anasonlc of...

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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. Disc Information ----------------------------
6 Self-Diagnosis and Special Mode Setting
6.1. Doctor Mode Summary Table
6.2. Doctor Mode Table---
6.3. Service Mode Summary Table-
6.4. Service Mode Table-------------
6.5. Reliability Test Mode (CD Mechanism Unit
CR14C) ----------------------------------------------------- 25

6.6. Error Code Table -- ... 26
7 Troubleshooting Guide- ---28
7.1. Jupiter USB .............. ---28

7.2. Troubleshooting Guide
7.3. Troubleshooting Guide for F61 and/or F76 --
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 CD Mechanism Unit (CR14C) ---42
9.5. Disassembly of Rear Panel----------------------------43
9.6. Disassembly of Fan Unit ----------------- ---44
9.7. Disassembly of Front Panel Assembly -
9.8. Disassembly of Mic P.C.B.-

9.9. Disassembly of Panel P.C.B.- ---48
9.10. Disassembly of Dynamic Bass Knob &

Dynamic Bass Button Unit ---- --- 49

9.11. Disassembly of Memory P.C.B. --- 51

9.12. Disassembly of MPort/Headphone P.C.B.
9.13. Disassembly of CD Servo P.C.B. ----------

9.14. Disassembly of D-Amp P.C.B. & Fan --------------- 54
9.15. Replacement of Audio Digital Amp lC
(IC5400) -- --- 56
9163. Replacement of Audio Digital Amp IC
(IC5000) -- --- 57
9.17. Replacement of Audio Digital Amp IC
(ICSZOO) ---------------------------------------------------- 58
9.18. Replacement of Audio Digital Amp lC
(IC5300) ---------------------------------------------------- 59
9.19. Disassembly of Main P.C.B. -- ---60
9.20. Disassembly of SMPS PCB. ---61

9.21. Replacement of Switching Regulator IC
(ICS701 ) ----------------------------------------

9.22. Replacement of Rectifier Diode (D5702)--
9.23. Replacement of Regulator Diode (D5801)
9.24. Replacement of Regulator Diode (D5802)---
9.25. Replacement of Regulator Diode (D5803)
9.26. Disassembly of AC Inlet P.C.B. --------------
9.27. Disassembly of Jupiter P.C.B. -----------
9.28. Disassembly of Voltage Selector P.C.B.
9.29. Replacement of Traverse Unit Assembly -
9.30. Disassembly of CD Lid
10 Service Position --
10.1. Checking and Repairing of Main P.C.B.

62

10.2. Checking and Repairing of Panel P.C.B.. Mic
P.C.B.. Jupiter P.C.B. and MPort/Headphone
P.C.B. ----------------------------------------------
10.3. Checking and Repairing of D-Amp PCB.
104. Checking and Repairing of SMPS P.C.B. and
AC Inlet P.C.B. -------------------------------------------- 76
11 Voltage & Waveform Chart
11.1. CD Servo P.C.B. -------
11.2. Main P.C.B. (1/3)----
11.3. Main P.C.B. (2/3)-
11.4. Main P.C.B. (3/3)-
11.5. Panel P.C.B.--
11.6. D-Amp P.C.B.
11.7. Jupiter P.C.B. (1/3)----
11.8. Jupiter P.C.B. (2/3) ----
11.9. Jupiter P.C.B. (3/3)-
11.10. Mic P.C.B.-------------
11.11. SMPS P.C.B. ------------
11.12. Waveform Table (1/3)-
11.13. Waveform Table (2/3)-
11.14. Waveform Table (3/3)-
12 Illustration of ICS, Transistor and Diode-
13 Block Diagram--------------------
13.1. CD Servo Block Diagram-
13.2. Jupiter Block Diagram ---
13.3. Main(1/2) Block Diagram -
13.4. Main(2/2) Block Diagram ------------------------------ 93
13.5. Panel / MportlHeadphone / Mic / Memory

Block Diagram---------- .... 94
13.6. D-Amp Block Diagram -... 95
13.7. SMPS / AC Inlet / Voltage Selector Block

Diagram --------------------- ._.. 96

14 Wiring Connection Diagram -
15 Schematic Diagram Notes-
16 Schematic Diagram ----------
16.1. CD Servo Circuit----
162. Main Circuit (1/6)----
163. Main Circuit (2/6)-
164. Main Circuit (3/6)-
16.5. Main Circuit (4/6)-
166. Main Circuit (5/6)-
167. Main Circuit ((3/6)-
16.8. Panel Circuit (1/2)
16.9. Panel Circuit (2/2) --
16.10. Memory / MportlHeadphone / Mic Circuit-
16.11. D-Amp Circuit (1l2)-----------------------------
16.12. D-Amp Circuit (2/2)----
16.13. Jupiter Circuit (1/5)----
16.14. Jupiter Circuit (2/5)----
16.15. Jupiter Circuit (3/5)-
16.16. Jupiter Circuit (4/5)-
16.17. Jupiter Circuit (5/5)-
16.18. SMPS Circuit (1/2)--

16.19. SMPS Circuit (2/2)------------------- --- 117
16.20. AC Inlet / Voltage selector Circuit --- 118
17 Printed Circuit Board----------- --- 119
17.1. CD Servo / Jupiter P.C.B --- 119
172. Main PCB.----------------------------------------------- 120

17.3. Panel / Memory / MportlHeadphone / Mic
P.C.B. -- 121

17.4. D-Amp P.C.B.