Read Panasonic SA-PM23P / SA-PM23PC Service Manual online
Sampling frequency
CD
44.1 kHz
MP3/WMA
32 kHz, 44.1 kHz, 48 kHz
Bit rate
MP3/WMA
32 kbps to 384 kbps
Decoding
16/20/24 bit linear
Pick up
Wavelength
785 nm
Beam source
Semiconductor laser
Laser power
CLASS 1
Audio output (Disc)
Number of channels
2-channel
Frequency response
20Hz to 20 kHz (+1dB, -2dB)
Wow and flutter
Below measurable limit
Digital filter
8 fs
D/A converter
MASH (1 bit DAC)
n General
1 Safety Precautions
4
1.1.
General Guidelines
4
1.2.
Before Repair and Adjustment
5
1.3.
Protection Circuitry
5
1.4.
Caution For Fuse Replacement
5
2 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices
6
3 Precaution of Laser Diode
7
4 Handling Precautions For Traverse Deck
8
5 Handling the Lead-free Solder
9
5.1.
About lead free solder (PbF)
9
6 Accessories
10
7 Operating Instructions Procedures
11
7.1.
Main Unit & Remote Control Operation
11
7.2.
Disc Information
12
8 Self diagnosis and special mode setting
13
8.1.
Special Mode Table
13
8.2.
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
20
9.4.
Disassembly of Side Panel L & R
21
9.5.
Disassembly of Top Cabinet Unit
21
9.6.
Disassembly of CD Mechanism
22
9.7.
Disassembly of CD Open/Close P.C.B.
22
9.8.
Disassembly of Front Panel
22
Power supply
AC 120 V, 60 Hz
Power consumption
57 W
Dimensions (W x H x D)
165 x 227 x 285 mm
(6 1/2” x 8 15/16” x 11 1/8”)
Mass
3.2 kg (7.1 Ib.)
Operating temperature range
+5°C to +35°C (+41°F to +95°F)
Operation humidity range
5% to 90% RH (no condensation)
Power consumption in standby
mode
mode
0.6 W
Notes :
1. Specifications are subject to change without notices. Mass and
dimensions are approximate.
dimensions are approximate.
2. Total harmonic distortion is measured by the digital spectrum
analyzer.
analyzer.
n System : SC-PM23P-S
Music center: SA-PM23P-S
Speaker: SB-PM23P-M
n System : SC-PM23PC-S
Music center: SA-PM23PC-S
Speaker: SB-PM23P-M
9.9.
Disassembly of Deck Mechanism
23
9.10. Disassembly of Panel P.C.B.
23
9.11. Disassembly of Tuner Extent P.C.B.
24
9.12. Disassembly of Transformer P.C.B.
24
9.13. Disassembly of Rear Panel
25
9.14. Disassembly of Main/Power P.C.B.
25
9.15. Replacement of CD Lid and CD Open Spring
26
9.16. Replacement of CD Damper Gear
27
9.17. Replacement of Cassette Lid and Cassette Open Spring
27
9.18. Replacement of Cassette Damper Gear
28
9.19. Replacement of optical pickup unit (CD mechanism)
28
9.20. Replacement of a traverse gear A and a traverse gear B
30
9.21. Procedure for Replacing Pinch Roller and Head Block
(Deck Mechanism Unit)
31
9.22. Procedure for Replacing Motor, Capstan Belt A, Capstan
Belt B, and Winding Belt (Deck Mechanism Unit)
32
9.23. Procedure for Replacing Parts on Deck Mechanism PCB
33
9.24. Replacement of PCB Cover
34
9.25. Handling of cassette tape jam
34
10 Service Fixture and Tools
35
11 Service Positions
35
11.1. Checking and Repairing of Main/Power P.C.B.
35
11.2. Checking and Repairing of Transformer P.C.B.
36
CONTENTS
Page
Page
2
SA-PM23P / SA-PM23PC
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