Panasonic SA-VK31GC, Руководство по обслуживанию

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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)
MP3
Bit rate 32 kbps-320 kbps
Sampling frequency 32 kHz, 44.1 kHz, 48kHz
n GENERAL
Power Supply AC 110 V/127 V/220-230 V/240 V,
50/60Hz
1 Safety precautions (for GS only) 4
2 Before Use (For GC Only) 5
3 Before Repair and Adjustment 5
4 Protection Circuitry 5
5 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices 6
6 Handling the Lead Solder 6
6.1. About lead free solder (PbF) 6
7 Handling Precautions For Traverse Deck 7
8 Precaution of Laser Diode 8
9 Accessories 9
10 Operation Procedures 10
11 Operation Checks and Main Component Replacement
Procedures 11
11.1. Disassembly of Top Cabinet and Rear Panel 12
11.2. Disassembly of CD Mechanism Unit 14
11.3. Disassembly Main P.C.B., Transformer P.C.B. & MP3
P.C.B. 15
11.4. Disassembly of Panel P.C.B. & Tact Switch P.C.B. 16
11.5. Disassembly of Deck Mechanism Unit & Deck P.C.B. 17
11.6. CD Mechanism Main Component Replacement
Procedures 17
11.7. Disassembly Deck Mechanism 30
11.8. Replacement for the cassette lid ass 馳 34
11.9. Measure for tape trouble 34
12 Service Position 35
Power consumption 251 W
Dimensions (W x H x D) 250 x 330 x 358 mm
Mass 7.9kg
Power consumption in standby mode: 0.85 W
n SYSTEM
SC-VK31 (GC) Music center: SA-VK31 (GC)
Front speaker: SB-VK31 (GC)
SC-VK31 (GS) Music center: SA-VK31 (GS)
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.
12.1. Checking the Main P.C.B., Power P.C.B., Transformer
P.C.B. and Voltage Selector P.C.B. 35
12.2. Checking the Panel P.C.B., Tact Switch P.C.B., Deck
P.C.B. & Deck Mechanism P.C.B. 36
13 Description of Error Code 37
13.1. Abnormality Detection for DECK Mechanism 37
13.2. Abnormality detection for CD/Changer Block 37
13.3. Power Supply Related Error Detection 37
14 Self-Diagnostic Function 38
14.1. Self-diagnostic display 38
14.2. How to enter the Self-Diagnostic Function 38
14.3. Cassette Mechanism Test (For error code H01, H02, H03,
F01) 38
14.4. CD Mechanism Test (F15, F26, F16, F17, F27, F28, F29,
H15) 39
14.5. To clear all Error code 39
14.6. How to get out from Self-Diagnostic function 39
14.7. Power Amplifier Failure (F61) 39
15 CD Test Mode Function 39
15.1. How to set CD test mode 39
15.2. CD Automatically Adjustment result indication 39
16 Measurements and Adjustments 41
16.1. Cassette Deck Section 41
16.2. Tuner Section 42
16.3. Alignment Points 43
17 Block Diagram 44
CONTENTS
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SA-VK31GC / SA-VK31GS
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