Panasonic sa pm 24 eb service manual

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PSG100201BCE

Service Manual

CD Stereo System
Model No. SA-PM24EB

@figffi SA-PM24EG
DIGITAL Aunio SA_ PM24 E P

! Product Color: (K)...Black Type

Remote SB»PM24 SAAPM24 SBvPM24
Control
Transmitter

Notes: Please refer to the Original Service Manual for :
0 CD Mechanism Unit (DLSBC), Order No. MD0803034CE
0 Speaker system SB-PM24EG-K/M, Order No. PSG10020250E

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. Caution for AC Cord --
1.3. Before Repair and Adjustment
1.4. Protection Circuitry----

1.5. Safety Part Information--

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

2 Warning -------------------------------------------------------------- 6 5 Location of Controls and Components--
2.1. Prevention of Electro Static Discharge (ESD) 5.1. Main Unit Key Button Operations----
to Electrostatically Sensitive (ES) Devices ---------- 6 5.2. Remote Control Key Button Operations ------------ 14

© Panasonic Corporation 2010. All rights reserved.

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

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5.3. Media Information --------------------------

6 Self-diagnostic and special mode setting
6.1. Entering into Self-diagnostic Mode
6.2. Self-diagnostic Function Error Code --
6.3. Entering into Doctor Mode-

7 Troubleshooting Guide ------------
8 Service Fixture & Tools -------------------------
9 Disassembly and Assembly Instructions-
9.1. Disassembly flow chart --------
9.2. Main Parts Location Diagram
9.3. Disassembly of Top Cabinet Assembly--
9.4. Disassembly of Headphone P.C.B.
9.5. Disassembly of Front Panel Assembly --
9.6. Disassembly of USB P.C.B. --
9.7. Disassembly of Panel P.C.B.-
9.8. Disassembly of FL Window -----------
9.9. Disassembly of Centre Ornament --
9.10. Disassembly of CD Lid ------
9.11. Disassembly of Main P.C.B
9.12. Disassembly of Power P.C.B. --
9.13. Replacement of Power Amp IC (IC5101) -
9.14. Disassembly of Transformer P.C.B. --------
9.15. Replacement of Transistor (05901) ----------------- 43
9.16. Disassembly of CD Mechanism Unit (DLSGC) --45

9.17. Disassembly of CD Servo P.C.B. ------------ --46
10 Disassembly and Assembly of Traverse Unit 48
10.1. Disassembling Procedures --48
10.2. Assembling Procedures --49

11 Service Position -----------------------------------
11.1. Checking and Repairing of USB P.C.B. -
11.2. Checking and Repairing of Panel P.C.B. --
11.3. Checking and Repairing of Transformer

P.C.B. -------------------------------------------------------- 53

11.4. Checking and Repairing of Main P.C.B.--- --54
11.5. Checking and Repairing of Power P.C.B. ---55
11.6. Checking and Repairing of CD Servo P.C.B. 55
12 Voltage Measurement & Waveform Chart --------- 57
12.1. CD SERVO P.C.B. ---57

12.2. MAIN P.C.B. (1/2) -
12.3. MAIN P.C.B. (2/2) -
12.4. PANEL P.C.B.
12.5. POWER P.C.B. -
12.6. TRANSFORMER P.C.B.-
12.7. USB P.C.B. ------------------
12.8. Waveform Chart -------------------------------
13 Illustration of lCs, Transistors and Diodes -
14 Overall Simplified Block -------
14.1. Control Signal Diagram --
14.2. Block Connection Diagram
15 Block Diagram -----------------------
15.1. SERVO/SYSTEM CONTROL
DIAGRAM ----------------------
15.2. AUDIO BLOCK DIAGRAM
15.3. POWER SUPPLY BLOCK DIAGRAM
16 Wiring Connection Diagram -------------------
17 Schematic Diagram Notes -
18 Schematic Diagram -----------
18.1. CD SERVO CIRCUIT -
18.2. MAIN CIRCUIT (1/4)
18.3. MAIN CIRCUIT (2/4)
18.4. MAIN CIRCUIT (3/4) --

BLOCK

18.5. MAIN CIRCUIT (4/4)--
18.6. PANEL CIRCUIT -------
18.7. USB CIRCUIT ------------------
18.8. TRANSFORMER CIRCUIT -
18.9. POWER CIRCUIT / HEADPHONE CIRCUIT 81
19 Printed Circuit Board ------------------------------------------ 83
19.1. CD SERVO P.C.B. / PANEL P.C.B.
19.2. MAIN P.C.B. / USB P.C.B. ------------
19.3. HEADPHONE P.C.B. / POWER P.C.B. /

TRANSFORMER P.C.B. - 85

20 Terminal Function of lCs -- 87
20.1. |C800 (RFKWMPMSEB) MICRO

PROCESSOR -------------------------------------------- 87

21 Exploded View and Replacement Parts List ----------- 89
21.1. Exploded View and Mechanical Replacement

Parts List -------------------------------
21.2. Electrical Replacement Parts List --