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D/A converter
MASH (1 bit DAC)
Pickup
Wavelength
780 nm
Beam Source
Semiconductor laser
Audio output (Disc)
Number of channels
2 (Stereo) (FL,FR)
n
GENERAL
Power Supply
AC 110-127/220-240 V, 50/60 Hz
Power consumption
179 W
Power consumption
in standby
mode
0.85 W
Dimensions (W x H x D)
250 x 330 x 341 mm
1 Before Use
4
2 Before Repair and Adjustment
4
3 Protection Circuitry
4
4 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices
4
5 Handling the Lead-free Solder
5
5.1.
About lead free solder (PbF)
5
6 Handling Precautions For Traverse Deck
6
7 Precaution of Laser Diode
7
8 Accessories
8
9 Operation Procedures
9
10 Disassembly and Assembly of Main Component
11
10.1. Disassembly flow chart
11
10.2. Gear for servicing (jig) Information
12
10.3. Disassembly of Top Cabinet
13
10.4. Disassembly of CD Lid
13
10.5. Disassembly of Rear Panel
15
10.6. Disassembly of CD Mechanism Unit
15
10.7. Disassembly of Main P.C.B.
16
10.8. Disassembly of Power P.C.B.
16
10.9. Disassembly of Transformer P.C.B.
17
10.10. Disassembly of Front Panel Unit
18
10.11. Disassembly of Deck Mechanism Unit
18
10.12. CD Mechanism Main Component Replacement
Procedures
19
10.13. Replacement for the pinch roller ass
馳
and head block 33
10.14. Replacement for the Deck motor ass
馳
, capstan belt A,
capstan belt B and winding belt
34
10.15. Replacement for the cassette lid ass
馳
37
10.16. Rectification for tape jam problem
38
11 Checking for major P.C.Bs
39
11.1. Checking of Main P.C.B.
39
11.2. Checking of Transformer P.C.B.
40
Mass
6.9 kg
Operating temperature range
+5 to +35°C
Operating humidity range
5 to 90% RH (no condensation)
n
SYSTEM
SC-AK230 (GCP)
Music center: SA-AK230 (GCP)
Speaker: SB-AK230 (GC)
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.
11.3. Checking of Panel, Deck & Deck Mechanism P.C.B.
41
11.4. Checking of Power P.C.B.
42
12 Self-Diagnostic Function
43
12.1. Self-diagnostic display
43
12.2. How to enter the Self-Diagnostic Function
43
12.3. Cassette Mechanism Test (For error code H01, H02, H03,
F01)
43
12.4. CD Mechanism Test (F15, F26, F16, F17, F27, F28, F29,
F30, H15 & H16)
43
12.5. To clear all Error code
44
12.6. To exit from Self-Diagnostic function
44
12.7. Power Amplifier Failure (F61)
44
12.8. Description of Error Code
44
13 CD Test Mode Function
46
13.1. How to set CD test mode
46
13.2. CD Automatically Adjustment result indication
46
13.3. CD Mecha Aging Test Mode (CR20)
46
13.4. Micon ROM Checksum and Version Display Mode
47
14 Measurements and Adjustments
48
14.1. Cassette Deck Section
48
14.2. Tuner Section
48
14.3. Alignment Points
49
15 Block Diagram
50
16 Voltage Measurement
57
17 Schematic Diagram
59
17.1. (A) CD Servo Circuit
60
17.2. (B) Main (Tuner) Circuit
62
17.3. (B) Main Circuit
63
17.4. (C) Panel Circuit
67
17.5. (D) Transformer Circuit, (E) CD Detect Circuit, (F) Spindle
Position Circuit & (G) CD Loading Circuit
69
17.6. (H) Power Circuit
70
17.7. (I) Deck Circuit & (J) Deck Mechanism Circuit
71
CONTENTS
Page
Page
2
SA-AK23 0GCP
Содержание SA-AK230
Страница 8: ...8 Accessories Remote Control FM Antenna AC Cord AM Loop Antenna AC Plug Adaptor 8 SA AK230GCP ...
Страница 9: ...9 Operation Procedures 9 SA AK230GCP ...
Страница 10: ...10 SA AK230GCP ...
Страница 57: ...16 Voltage Measurement 57 SA AK230GCP ...
Страница 58: ...58 SA AK230GCP ...
Страница 87: ...22 Troubleshooting Guide 87 SA AK230GCP ...
Страница 89: ...23 1 Deck Mechanism RAA4502 S 23 1 1 Deck Mechanism Parts Location 89 SA AK230GCP ...
Страница 90: ...90 SA AK230GCP ...
Страница 92: ...23 2 CD Loading Mechanism RD DAC026 S 23 2 1 CD Loading Mechanism Parts Location 92 SA AK230GCP ...
Страница 93: ...93 SA AK230GCP ...
Страница 95: ...23 3 Cabinet 23 3 1 Cabinet Parts Location 95 SA AK230GCP ...
Страница 96: ...96 SA AK230GCP ...
Страница 105: ...23 6 Packaging 105 SA AK230GCP PRT0412 D S J N A E ...