Panasonic sa pm45dbeb audiosys

Page 2

SA-PMAS DBEB

n USB Section

Playable USB Storage Media

(1) HDD

(2) USB MP3 player/Digital audio player
(3) USB Thumbdrives

Supported audio file format

MP3

USB memory port

Maximum current 500 mA
Bit rate

MP3 32 kbps to 320 kbps
Audio output (MP3)

Number of channels 2 channel

Frequency response (MP3) 20 Hz to 20 kHz

in General

Power supply AC 230 to 240 V, 50 Hz

Power consumption 67 W
Dimensions (W x H x D) 164 mm x 227 mm x 314 mm
Mass 3.0 kg

+5°C to +35°C
5% to 90% RH (no condensation)
0.4 W (approx.)

Operating temperature range
Operating humidity range

Power consumption
mode

in standby

Notes :

1. Specifications are subject to change without notices. Mass and
dimensions are approximate.

2. Total harmonic distortion is measured by the digital spectrum
analyzer.

n System : SC»PM45DBEBK Music center: SA-PM45DBEBK

Speaker: SB-PM45EG-K

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 sen/ice information by anyone else could result in serious injury or death.

CONTENTS

Page
1 Safety Precautions .................................................................. 4
1.1. GENERAL GUIDELINES ------------------------------------------------ 4
1.2. Caution for AC Cord ............................................... 5
1.3. Before Repair and Adjustment ---------------------------------------- 5
1.4. Protection Circuitry --------------------------------------------------------- 6
1.5. Safety Part Information -------------------------------------------------- 5

2 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices ................................. 7
3 Precaution of Laser Diode ...................................................... 3
4 Handling Precautions For Traverse Deck ............................... 9
5 Handling the Lead free Solder ---------------------------------------------- 10
5.1. General description about Lead Free Solder (PbF) -------- 10
6 Accessories -------------------------------------------------------------------------- 11
7 Operation Procedures .................................................. 12
7.1. Main Unit Key Buttons Operation ------ -12

7.2. Remote Control Key Buttons Operation 2
7.3. Disc Information ------------------------------- -13
8 Self diagnosis and special mode setting ------------------------------ 14
8.1. Service Mode Summary Table -------------------------------------- 14
8.2. Service Mode Table ----------------------------------------------------- 14
8.3. Error Code Table --------------------------------------------------------- 17
9 Assembling and Disassembling ------------------------------------------- 19
9.1. Caution ------------------------------------------------------------------------ 19
9.2. Disassembly flow chart ------------------------------------------------- 20

9.3. Main Parts Location Diagram"-
9.4. Disassembly of Side Panel (L / R
9.5. Disassembly of Top Cabinet Unit
9.6. Disassembly of CD Lid ------------------------------------------------- 22
9.7. Disassembly of Front Panel ------------------------------------------ 24
9.8. Disassembly of USB P.C.B ------------------------------------------- 24

Page

9.9. Disassembly of Panel P.C.B, Headphone P.C.B & Music
Port P.C.B ----------------------------------------------------------- 25
9.10. Disassembly of Rear Panel ------------------------------------------ 25
9.11. Disassembly of DAB Module P.C.B ............................... 27
9.12. Disassembly of Main P.C.B .......................................... 27

9.13. Replacement of the Power lC----
9.14. Disassembly of Transformer P.C.B

9.15. Disassembly of CD Mechanism --
9.16. Disassembly of Traverse Unit, Driving Gear, and Cam

Gear ---------------------------------------------------------------------------- 29

10 Service Positions ------------------------------------------------------------------ 34

10.1. Check and Repair of DAB Module P.C.B ----------------- 34
10.2. Check and Repair of Panel, Headphone & Music Port

P.C.B ----------------------------------------------------------------- 35

10.3. Check and Repair of Transformer P.C.B
10.4. Check and Repair of Main P.C.B
10.5. Check and Repair of CD Servo P.C.B-

10.6. Check and Repair of USB P.C.B (Side B) ..................... 39
11 Voltage Measurement & Waveform Chart ............................. 40
11.1. Voltage Measurement -------------------------------------------------- 40
11.2. Waveform Chart ----------------------------------------------------------- 43
12 Wiring Connection Diagram -------------------------------------------------- 45
13 Block Diagram ...................................................................... 47
13.1. CD SERVO! OPTICAL PICKUP UNIT ........................... 47

13.2. MAIN(1/2)/USB MODULE/DAB EXTENT
13.3. MAIN(2/2)/PANEL/TRANSFORMER-
13.4. DAB MODULE -----------------------------

14 Notes of Schematic Diagram ................................................ 51
15 Schematic Diagram --------------------------------------------------------------- 53
15.1. CD SERVO CIRCUIT .................................................. 53