Supported audio file format
MP3 Bit rate
USB memory port
Maximum current 500mA
Bit rate
MP3 32 kbps, 128 kbps, 320 kbps
udio output (MP3)
Number of channels 2 channel
Frequency response (MP3) 1 kHz to 10 kHz (0+/-1.0 dB)
n General
Power supply AC 230 V, 50 Hz
Power consumption 54 W
Dimensions (W x H x D) 212 mm x 184 mm x 308 mm
1 Safety Precautions
4
1.1. General Guidelines
4
1.2. Before Repair and Adjustment
5
1.3. Protection Circuitry
5
1.4. Safety Part Information
5
2 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices
6
3 Precaution of Laser Diode
7
4 Handling Precautions For Traverse Deck
8
5 Handling the Lead free Solder
9
5.1. General description about Lead Free Solder (PbF)
9
6 Accessories
10
7 Operation Procedures
11
7.1. Main Unit Key Buttons Operation
11
7.2. Remote Control Key Buttons Operation
11
7.3. Disc Information
12
8 Self diagnosis and special mode setting
13
8.1. Service Mode Summary Table
13
8.2. Service Mode Table
13
8.3. Error Code Table
16
9 Assembling and Disassembling
17
9.1. Caution
17
9.2. Disassembly flow chart
18
9.3. Main Parts Location Diagram
19
9.4. Disassembly of Top Cabinet Unit
20
9.5. Disassembly of D-Port and HP / Music Port P.C.B.
21
9.6. Disassembly of USB P.C.B.
21
9.7. Disassembly of Tuner Pack
22
9.8. Disassembly of Rear Cabinet Unit
23
9.9. Disassembly of Power and AC Inlet P.C.B.
23
9.10. Disassembly of Transformer P.C.B.
24
Mass 3.5 kg
Operating temperature range +5 to +35°C
Operation humidity range 5 to 90% RH (no condensation)
Power consumption in standby
mode
0.7 W (approx.)
Notes :
1. Specifications are subject to change without notices. Mass and
dimensions are approximate.
2. Total harmonic distortion is measured by the digital spectrum
analyzer.
n System : SC-NS55E-S
Music center: SA-NS55E-S
Speaker: SB-NS55EG-S
n System : SC-NS55EG-S
Music center: SA-NS55EG-S
Speaker: SB-NS55EG-S
9.11. Disassembly of Front Panel
25
9.12. Disassembly of Panel P.C.B.
25
9.13. Disassembly of Main P.C.B.
26
9.14. Disassembly of Switch P.C.B.
26
9.15. Disassembly of Motor P.C.B.
27
9.16. Disassembly of Gear Box
28
9.17. Disassembly of CD Loading Block
28
9.18. Disassembly of CD Mechanism
30
9.19. Disassembly of Traverse Unit, Driving Gear, and Cam
Gear (CD Mechanism Unit)
32
10 Service Positions
36
10.1. Checking and Repairing of HP / Music Port, D-Port and
USB (side B) P.C.B.
36
10.2. Checking and Repairing of Panel P.C.B.
37
10.3. Checking and Repairing of Switch and Motor P.C.B.
38
10.4. Checking and Repairing Transformer P.C.B.
39
10.5. Checking and Repairing Power and AC Inlet P.C.B.
40
10.6. Checking and Repairing Main P.C.B.
41
10.7. Checking and Repairing CD Servo P.C.B.
42
11 Voltage Measurement & Waveform Chart
43
11.1. Voltage Measurement
43
11.2. Waveform Chart
48
12 Wiring Connection Diagram
49
13 Block Diagram
51
13.1. CD SERVO/ OPTICAL PICKUP UNIT
51
13.2. MAIN(1/2)/ TUNER EXTENT/ PANEL/ D PORT/ MOTOR/
SWITCH
52
13.3. MAIN(2/2)/ USB MODULE/ HP/MUSIC PORT/
POWER/TRANSFORMER/ AC INLET
53
14 Notes Of Schematic Diagram
55
15 Schematic Diagram
57
CONTENTS
Page Page
2
SA-NS55E / SA-NS55EG
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