Table Of Contents - Panasonic SA-PM21PC Service Manual

SA-PM21PC
Pickup
Beam source / wavelength
Number of channels
Wow and flutter
Digital filter
D/A converter
Frequency response
n General
Power supply
Power consumption
CONTENTS
1 Safety Precautions
1.1. GENERAL GUIDELINES
2 Before Repair and Adjustment
3 Protection Circuitry
4 Handling the Lead-free Solder
4.1. About lead free solder (PbF)
5 Precaution of Laser Diode
6 Handling Precautions For Traverse Deck
7 Accessories
8 Operation Procedures
9 Information on CD & MP3
10 Assembling and Disassembling
10.1. Disassembly flow chart
10.2. Disassembly of Side Panel L & R
10.3. Disassembly of Top Cabinet Unit
10.4. Disassembly of Deck Mechanism and Tape Eject P.C.B 13
10.5. Disassembly of Headphone P.C.B
10.6. Disassembly of Front Panel Assembly
10.7. Disassembly of Panel P.C.B
10.8. Disassembly of Rear Cabinet
10.9. Disassembly of Tuner Pack
10.10. Disassembly of Main P.C.B
10.11. Disassembly of Power P.C.B
10.12. Disassembly of Speaker Terminal P.C.B
10.13. Disassembly of Transformer P.C.B
10.14. Disassembly of CD Mechanism
10.15. Checking Procedure for Each Major P.C.B.
10.16. Procedures of Replacing Traverse Base (Unit), Driving
Gear, and Cam Gear (CD Mechanism Unit)
10.17. Procedures for Replacing Optical Pickup (CD Mechanism
Unit)
10.18. Procedures for Replacement Traverse Gear A and
Traverse Gear B (CD Mechanism Unit)
Semiconductor laser / 780nm
Stereo
Below measurable limit
8 fs
MASH (1 bit DAC)
20Hz - 20 kHz (+1dB, -2dB)
AC 120 V, 60 Hz
57 W
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2
Dimensions (W x H x D)
Mass
Power consumption in standby
mode
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-PM21PC-S
10.19. Procedure for Replacing Cassette Holder
10.20. Procedure for Replacing Pinch Roller and Head Block
(Deck Mechanism Unit)
10.21. Procedure for Replacing Motor, Capstan Belt A, Capstan
Belt B, and Winding Belt (Deck Mechanism Unit)
10.22. Procedure for Replacing Parts on Deck Mechanism PCB
10.23. Handling of cassette tape jam
11 Service Positions
11.1. Checking procedure
11.2. Checking the major P.C.B.
12 Self Diagnostic Function
12.1. Self-diagnosis Function
12.2. Clearing all error code
12.3. Cancelling the Self-Diagnostic mode
12.4. Setting of doctor mode
13 Procedure for Checking Operation of Individual Parts of Deck
Mechanism Unit
13.1. Operation Check with Cassette Tape
13.2. Operation Check without Cassette Tape
14 Measurement And Adjustments
14.1. Cassette Deck Section
15 Voltage Measurement and Waveform Chart
15.1. Voltage Measurement
15.2. Waveform
16 Block Diagram
16.1. CD Servo Block
16.2. Main Block
17 Notes of Schematic Diagram
18 Schematic Diagram
18.1. CD Servo Circuit
18.2. Main Circuit and Tuner Extent Circuit
18.3. Panel Circuit
165 x 228 x 315.6 mm
(6 1/2" x 9" x 12 7/16")
3.6 kg (7.9 Ibs)
0.5 W
Music center: SA-PM21PC-S
Speaker: SB-PM21E-MJ
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