Panasonic SA-VK31EE, Service Manual

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Discs played [8 cm or 12 cm]
(1) CD-Audio (CD-DA)
(2) Video CD
(3) CD-R/RW (CD-DA, Video CD, MP3 formatted disc)
(4) MP3
Sampling frequency 44.1 kHz
Decoding 16 bit linear
Pickup
Beam source/wavelength
Semiconductor laser/780 nm
Number of channels Stereo
Frequency response
20 Hz-20 kHz (+1, -2 dB)
Wow and flutter Below measurable limit
Digital filter 8 fs
D/A converter MASH (1 bit DAC)
Video
Video signal system
PAL625/50, PAL525/60, NTSC
Output level
Composite video, 1 Vp-p, 75
Ω
Terminal Pin jack (1 system)
1 Before Repair and Adjustment 4
2 Protection Circuitry 4
3 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices 5
4 Handling the Lead Solder 5
4.1. About lead free solder (PbF) 5
5 Handling Precautions For Traverse Deck 6
6 Precaution of Laser Diode 7
7 Accessories 8
8 Operation Procedures 9
9 Operation Checks and Main Component Replacement
Procedures 10
9.1. Disassembly of Top Cabinet and Rear Panel 11
9.2. Disassembly of CD Mechanism Unit 13
9.3. Disassembly Main P.C.B., Transformer P.C.B. & MP3
P.C.B. 14
9.4. Disassembly of Panel P.C.B. & Tact Switch P.C.B. 15
9.5. Disassembly of Deck Mechanism Unit & Deck P.C.B. 16
9.6. CD Mechanism Main Component Replacement
Procedures 16
9.7. Disassembly Deck Mechanism 29
9.8. Replacement for the cassette lid ass 馳 33
MP3
Bit rate 32 kbps - 320 kbps
Sampling frequency
32 kHz, 44.1 kHz, 48 kHz
n GENERAL
Power Supply AC 230-240 V, 50 Hz
Power consumption 251 W
Dimensions (WxH xD) 250 x 330 x 358 mm
Mass 7.9 kg
Power consumption in standby mode: 0.85 W
n SYSTEM
SC-VK31 (EE) Music center: SA-VK31 (EE)
Front speaker: SB-VK31 (GC)
Note:
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. HIGH stands for High Frequency. LOW stands for Low
Frequency.
9.9. Measure for tape trouble 33
10 Service Position 34
10.1. Checking the Main P.C.B., Power P.C.B. & Transformer
P.C.B. 34
10.2. Checking the Panel P.C.B., Tact Switch P.C.B., Deck
P.C.B. & Deck Mechanism P.C.B. 35
11 Description of Error Code 36
11.1. Abnormality Detection for DECK Mechanism 36
11.2. Abnormality detection for CD/Changer Block 36
11.3. Power Supply Related Error Detection 36
12 Self-Diagnostic Function 37
12.1. Self-diagnostic display 37
12.2. How to enter the Self-Diagnostic Function 37
12.3. Cassette Mechanism Test (For error code H01, H02, H03,
F01) 37
12.4. CD Mechanism Test (F15, F26, F16, F17, F27, F28, F29,
H15) 38
12.5. To clear all Error code 38
12.6. How to get out from Self-Diagnostic function 38
12.7. Power Amplifier Failure (F61) 38
13 CD Test Mode Function 38
13.1. How to set CD test mode 38
CONTENTS
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SA-VK31EE