Panasonic sa pm 38 dbeb service manual

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PSGOQDSOOSCE

Service Manual

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DIGITAL AUDID

Remote
Control SB-PM48 SA-PM38DB SB-PM48
Transmitter

CD Stereo System

Model No. SA-PM38DBEB

Product Color: (K)...Black Type

MD0803034CE) for this mechanism.

Notes: This models CD mechanism unit is DLSBC. Please refer to the Original Service Manual (Order No.

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 manufacturer's 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 Guideline
1.2. Caution for AC Cord --
1.3. Before Repair and Adjustment
1.4. Protection Circuitry ----
1.5. Safety Part Informatio

2 Warning -------------------------------------------------------------- 6
2.1. Prevention of Electro Static Discharge (ESD)

to Electrostatically Sensitive (ES) Devices

2.2. Precaution of Laser Diode ---------------------
2.3. Service caution based on Legal restrictions-
2.4. Handling Precaution for Traverse Unit --------

3 Service Navigation ---------------------------------------------- 11

Panasonici

3.1. Service Information-
4 Specifications ---------------
5 Location of Controls and Components
5.1. Main Unit Key Button Operations -»
5.2. Remote Control Key Button Operations
6 Operating Instructions ---------------------------
6.1. Disc Information -----------------------------
7 Self diagnosis and special mode setting --
7.1. Service Mode Summary Table-
7.2. Service Mode Table --------------
7.3. Error Code Table ----
8 Troubleshooting Guide --
9 Service Fixture & Tools --------------------------------------- 22

© Panasonic Corporation 2009. All rights resen/ed.
Unauthorized copying and distribution is a violation of
law.

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10 Disassembly and Assembly Instructions-
10.1. Disassembly flow chart --
10.2. Main Parts Location Diagram
10.3. Disassembly of Top Cabinet Assembly--
10.4. Disassembly of Headphone P.C.B. -
10.5. Disassembly of iPod P.C.B. -----------
10.6. Disassembly of DAB Unit P.C.B. -------
10.7. Disassembly of Front Panel Assembly --
10.8. Disassembly of USB P.C.B. --
10.9. Disassembly of Panel P.C.B.-

10.10. Disassembly of FL Window---
10.11. Disassembly of Centre Ornament
10.12. Disassembly of CD Lid -----------------
10.13. Disassembly of CD Mechanism Unit (DLSBC) --36
10.14. Disassembly of Power P.C.B. ------------------------- 36
10.15. Replacement of Power Amp IC (ICS101) - ---37
10.16. Disassembly of Main P.C.B. ------------------
10.17. Disassembly of Fan Unit --------------
10.18. Disassembly of Transformer P.C.B.
10.19. Replacement of Transistor (05901)
10.20. Disassembly of CD Servo P.C.B.----

11 Disassembly and Assembly of Traverse Un
11.1. Disassembling Procedures
11.2. Assembling Procedure ------

12 Service Position -------------------------------------------
12.1. Checking & Repairing DAB Module P.C.B.
12.2. Checking & Repairing USB P.C.B.--
12.3. Checking & Repairing Panel P.C.B.
12.4. Checking & Repairing CD Servo P.C.B.-
12.5. Checking & Repairing Power P.C.B. --
12.6. Checking & Repairing Transformer P.C.B.
12.7. Checking & Repairing Main P.C.B. ----

13 Voltage Measurement & Waveform Chart-
13.1. USB P.C.B. ----------
13.2. CD SERVO P.C.B.
13.3. MAIN P.C.B. (1/2) -
13.4. MAIN P.C.B. (2/2) -
13.5.
13.6.
13.7. TRANSFORMER P.C.B.-
13.8. DAB MODULE PCB
13.9. Waveform Chart

14 Illustration of lC's, Transistors and Diodes -

15 Overall Simplified Block for PM38 --------------

16 Block Diagram -----------------------------
16.1. CD SERVO BLOCK DIAGRAM

16.2. MA|N(1/2)/ PANEL/TRANSFORMER/DAB
EXTENT ---------------------------------------------------- 67
16.3. MAIN(2/2)/ HEADPHONE/ iPod/ USB BLOCK

DIAGRAM ---------------------------------

16.4. DAB MODULE BLOCK DIAGRAM -

17 Wiring Connection Diagram --
18 Schematic Diagram Notes ----
19 Schematic Diagram ---------
19.1. CD SERVO CIRCUIT-
19.2. MAIN CIRCUIT (1/4) --
19.3. MAIN CIRCUIT (2/4) --
19.4. MAIN CIRCUIT (3/4) --
19.5. MAIN CIRCUIT (4/4) --
19.6. PANEL CIRCUIT and HEADPHONE CIRCUIT---77
19.7. USB CIRCUIT --------------------------------------------- 78

19.8. iPod CIRCUIT, POWER CIRCUIT and DAB
EXTENT CIRCUIT --------------------------------------- 79
19.9. TRANSFORMER CIRCUIT -
19.10. DAB MODULE CIRCUIT -----

20 Printed Circuit Board ------------------------------------------ 82

20.1. CD SERVO P.C.B. and TRANSFORMER
P.C.B. ------------------------------------------------------- 82

20.2. MAIN P.C.B., DAB MODULE P.C.B. and DAB
EXTENT P.C.B. ------------------------------------------ 83

20.3. PANEL P.C.B., HEADPHONE P.C.B. and
POWER P.C.B.- 84

20.4. iPod P.C.B. and USB P.C.B.
21 Terminal Function of lCs -------

21.1.IC7001 (MN6627954AMA) IC SERVO
PROCESSOR -------------------------------------------- 86

21.2. IC7002 (BA5948FPE2) IC 4CH Drive -------------- 87

21.3.10800 (RFKWMPM38DB) IC MICRO-
PROCESSOR --------------------------------

22 Exploded View and Replacement Parts List--
22.1. Exploded View and Mechanical replacement
Parts List -------------------------------

22.2. Electrical Replacement Pans List --