Antenna terminal 75 Ω (unbalanced)
nAM TUNER SECTION
Frequency range
522 kHz to 1611 kHz (9 kHz steps)
530 kHz to 1620 kHz (10 kHz steps)
Sensitivity 500 µV/m
Selectivity (at 999 kHz) 30 dB
nGENERAL
Power supply
AC 230 to 240 V, 50 Hz
Power consumption
120 W
Dimensions (W × H × D)
430 mm x 105 mm x 385 mm
Mass 3.8 kg
Power consumption in standby mode: 1W
nSYSTEM
1 Safety Precautions 4
1.1. General Guidelines
4
1.2. Before Repair and Adjustment
4
1.3. Protection Circuitry
4
2 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices
5
3 Handling the Lead Solder
5
3.1. About Lead Free Solder (PbF)
5
4 Accessories
6
5 Operation Procedures
7
5.1. Remote Control Operation
7
5.2. Main Unit Operation
8
6 New Features
10
6.1. Music Port
10
7 Self Diagnosis and Special Mode Setting
11
7.1. Doctor & Service Mode (Special Mode setting)
11
7.2. Error Code Table
12
8 Assembling and Disassembling
13
8.1. Caution
13
8.2. Disassembly Flow Chart
13
8.3. Main Parts Location
14
8.4. Disassembly of Top Cabinet
15
8.5. Disassembly of Rear Panel
15
8.6. Disassembly of Front Panel
16
8.7. Disassembly of Panel P.C.B., Music Port P.C.B. & Volume
P.C.B.
16
8.8. Disassembly of Main P.C.B.
17
8.9. Disassembly of DSP P.C.B.
18
8.10. Disassembly of AC In P.C.B.
18
System: SC-HT40 (EE)
Main unit: SA-HT40 (EE)
Front speakers: SB-PF41 (GN)
Surround speakers: SB-PS41 (GN)
Center speaker: SB-PC40 (P)
Subwoofer: SB-W40 (P)
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.
* Manufactured under license from Dolby Laboratories.
“Dolby”, “Pro Logic” and the double-D symbol are trademarks of
Dolby Laboratories.
** Manufactured under license from Digital Theater System.
“DTS” and “DTS Digital Surround” are trademarks of Digital Theater
System.
8.11. Disassembly of Power P.C.B.
19
8.12. Disassembly of Digital Amp P.C.B.
20
9 Service Position
22
9.1. Checking the DSP P.C.B. (Side A) & AC In P.C.B.
22
9.2. Checking the DSP P.C.B. (Side B)
22
9.3. Checking the Panel P.C.B., Music Port P.C.B. and Volume
P.C.B.
23
9.4. Checking the Main P.C.B., Power P.C.B. & Digital Amp
P.C.B.
24
10 Voltage Measurement and Waveform Chart
25
10.1. Voltage Measurement
25
10.2. Waveform Chart
29
11 Wiring Diagrams
33
12 Block Diagram
35
13 Schematic Diagram
37
13.1. Notes of Schematic Diagram
37
13.2. (A) DSP Circuit
39
13.3. (B) Main Circuit
41
13.4. (C) Digital Amp Circuit
45
13.5. (D) Panel Circuit, (E) Volume Circuit & (F) Music Port
Circuit
47
13.6. (G) Power Circuit & (H) AC In Circuit
49
14 Printed Circuit Board Diagram
51
14.1. (A) DSP P.C.B.
52
14.2. (B) Main P.C.B.
53
14.3. (C) Digital Amp P.C.B.
54
14.4. (D) Panel P.C.B., (E) Volume P.C.B. & (F) Music Port
P.C.B.
55
14.5. (G) Power P.C.B.
56
CONTENTS
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2
SA-HT40EE
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