CD, CD-R, CD-RW, MP3 8 cm/12 cm (3-3/20” / 4-
73/100”)
Sampling frequency 44.1 kHz
Decoding 16/20/24 bit linear
Beam source/wavelength Semiconductor laser / 780 nm
Number of channels Stereo
Frequency response 20 Hz - 20 kHz (+1dB, -2dB)
Wow and flutter Below measurable limit
Digital filter 8fs
D/A converter MASH (1 bit DAC)
MP3
Bit rate 32 kbps - 320 kbps
Sampling frequency 32kHz, 44.1kHz, 48kHz
n General
Power supply AC 120 V, 60 Hz
1 Safety Cautions
4
1.1. GENERAL GUIDELINES
4
2 Before Repair and Adjustment
5
3 Protection Circuitry
5
4 Handling the Lead-free Solder
5
4.1. About lead free solder (PbF)
5
5 Precaution of Laser Diode
6
6 Handling Precautions For Traverse Deck
7
7 Accessories
8
8 Operating Procedures
9
9 Assembling and Disassembling
11
9.1. Disassembly flow chart
11
9.2. Disassembly of Side Panel L & R
12
9.3. Disassembly of Top Cabinet Unit
12
9.4. Disassembly of Deck P.C.B. and Tape Eject P.C.B.
12
9.5. Disassembly of Front Panel Assembly
13
9.6. Disassembly of Main Control P.C.B., Function P.C.B. and
Power-In P.C.B.
14
9.7. Disassembly of Panel P.C.B.
14
9.8. Disassembly of Rear Panel
15
9.9. Disassembly of Main P.C.B.
15
9.10. Disassembly of Transformer P.C.B.
16
9.11. Disassembly of Tuner Pack
16
9.12. Disassembly of Power P.C.B
17
9.13. Disassembly of CR16 Mechanism
17
9.14. Replacement of CD Lid
18
9.15. Replacement of Cassette Lid
19
9.16. Replacement of the Power IC and Transistors.
20
Power consumption 135 W
Dimensions (W x H x D) 175 x 254 x 390.7 mm
(6-89/100” x 10” x 15-19/50”)
Mass 5.44 kg (11.99 lbs.)
Power consumption in standby mode: 0.4 W
n System: SC-PM31P-S
Music Center: SA-PM31P-S
Speaker: SB-PM31P-SJ
n System: SC-PM31PC-S
Music Center: SA-PM31PC-S
Speaker: SB-PM31P-SJ
Notes:
1. Specifications are subject to change without notice.
Mass and dimensions are approximate.
2. Total harmonic distortion is measured by the digital spectrum
analyzer.
3. The labels “HIGH” and “LOW” on the rear of the speakers refer
to High frequency and Low frequency.
9.17. Procedure for Replacing Pinch Roller and Head Block
(Cassette Mechanism Unit)
21
9.18. Procedure for Replacing Motor, Capstan Belt A, Capstan
Belt B, and Winding Belt (Cassette Mechanism Unit)
21
9.19. Procedure for Replacing Parts on Mechanism PCB
23
9.20. Replacement of CD traverse deck
23
9.21. Replacement of optical pickup unit (CD mechanism)
25
9.22. Replacement of a traverse gear A and a traverse gear B
26
9.23. Procedure for removing CD loading mechanism
27
9.24. CR16 mechanism disassembly procedure
27
9.25. CR16 MECHANISM ASSEMBLY PROCEDURE
34
9.26. Disassembly of traverse mechanism
46
9.27. Handling of Cassette Tape jam
47
10 Service Positions
48
10.1. Checking procedure
48
10.2. Checking the major P.C.B.
48
11 Self-Diagnostic Display Function
49
11.1. Entering into Self-Diagnostic Mode
49
11.2. Clearing Self-Diagnostic Memory
51
11.3. Displaying Self-Diagnostic Results
51
11.4. Error Code Table
52
11.5. Cassette Mechanism Self-Diagnostic Mode
52
11.6. Changer Reliability Test Mode
53
11.7. Changer Operation Checking
53
11.8. CR16 Mechanism Ageing Mode
54
12 Procedure for Checking Operation of Individual Parts of
Cassette Mechanism Unit
55
12.1. Operation Check with Cassette Tape
55
CONTENTS
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2
SA-PM31P / SA-PM31PC
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