Specifications

CD 44.1 kHz
Decoding 16 bit linear
Digital filter 8fs
D/A converter MASH (1 bit DAC)
Pickup
Wavelength 780 nm
Beam Source Semiconductor laser
A
udio output (Disc)
Number of channels 2 (Stereo) (FL,FR)
n GENERAL
Power Supply
(For GN only) AC 230-240 V, 50Hz
(For GC only) AC 220-240 V, 50/60Hz
Power consumption 238 W
Power consumption in standby
mode
0.7 W
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-free 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 Disassembly and Assembly of Main Component
11
9.1. Disassembly flow chart
11
9.2. Gear for servicing (jig) Information
12
9.3. Disassembly of Top Cabinet
13
9.4. Disassembly of CD Lid
13
9.5. Disassembly of Rear Panel
15
9.6. Disassembly of CD Mechanism Unit
15
9.7. Disassembly of Main P.C.B.
16
9.8. Disassembly of Power P.C.B.
16
9.9. Disassembly of Transformer P.C.B.
17
9.10. Disassembly of Front Panel Unit
18
9.11. Disassembly of Deck Mechanism Unit
18
9.12. CD Mechanism Main Component Replacement
Procedures
19
9.13. Replacement for the pinch roller ass 馳 and head block
32
9.14. Replacement for the Deck motor ass 馳, capstan belt A,
capstan belt B and winding belt
32
9.15. Replacement for the cassette lid ass 馳
35
9.16. Rectification for tape jam problem
36
Dimensions (W x H x D) 250 x 330 x 341 mm
Mass 7.1 kg
Operating temperature range +5 to +35°C
Operating humidity range 5 to 90% RH (no condensation)
n SYSTEM
SC-AK330 (GC) Music center: SA-AK330 (GC)
Speaker: SB-AK330 (GC)
SC-AK330 (GN) Music center: SA-AK330 (GN)
Speaker: SB-AK330 (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.
10 Checking for major P.C.B.
37
10.1. Checking of Main P.C.B.
37
10.2. Checking of Transformer P.C.B.
38
10.3. Checking of Panel, Deck & Deck Mechanism P.C.B.
39
10.4. Checking of Power P.C.B.
40
11 Self-Diagnostic Function
41
11.1. Self-diagnostic display
41
11.2. How to enter the Self-Diagnostic Function
41
11.3. Cassette Mechanism Test (For error code H01, H02, H03,
F01)
41
11.4. CD Mechanism Test (F15, F26, F16, F17, F27, F28, F29,
F30, H15 & H16)
41
11.5. To clear all Error code
42
11.6. To exit from Self-Diagnostic function
42
11.7. Power Amplifier Failure (F61)
42
11.8. Description of Error Code
42
12 CD Test Mode Function
44
12.1. How to set CD test mode
44
12.2. CD Automatically Adjustment result indication
44
12.3. CD Mecha Aging Test Mode (CR20)
44
12.4. Micon ROM Checksum and Version Display Mode
45
13 Measurements and Adjustments
46
13.1. Cassette Deck Section
46
13.2. Tuner Section
46
13.3. Alignment Points
47
14 Block Diagram
48
15 Voltage Measurement
55
16 Schematic Diagram
57
16.1. (A) CD Servo Circuit
58
CONTENTS
Page Page
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SA-AK330GC / SA-AK330GN