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Sansui AU-X911DG Service Manual

Sansui AU-X911DG
24 pages
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Sansui AU-X911DG Specifications

General IconGeneral
Total Harmonic Distortion (THD)0.008%
Damping Factor100
Channel Separation70 dB
Input Impedance47 kΩ
Speaker Load Impedance4 to 16 ohms
Signal-to-Noise Ratio110dB (line)

Summary

1. ADJUSTMENT

1-1. F-6160 Driver AMP Adjustment

Adjusts HOT/GND and HOT/COLD balance for the driver amp channel.

1-2. F-6154 Flat AMP Adjustment

Adjusts HOT/COLD balance for the flat amplifier channel.

1-3. F-6169 Power AMP Balance Current Adjustment

Adjusts bias current for HOT and COLD amplifier stages.

2. BLOCK DIAGRAM

3. INTERIOR BLOCK DIAGRAM & TERMINAL FUNCTION OF IC

YM3623B Reception and Playback of Digital Audio Signals

4. PARTS LOCATION ON BOARD

4-1. F-6151 TAPE(REC), VIDEO, SEND Terminal and EQ AMP Board

Component layout for tape, video, send terminals, and EQ amp board.

4-2. F-6155 Input Changeover Switch Board

Component layout for input changeover switch board.

4-3. F-6253 TAPE(REC), VIDEO, SEND Terminal and EQ AMP Board

Component layout for tape, video, send terminals, and EQ amp board (EU/EG).

4-4. F6156 Input Indicator Board

Component layout for the input indicator board.

4-5. F-6158 NORMAL AMP Indicator Board

Component layout for the normal amplifier indicator board.

5. PARTS LIST OF BOARD

5-1. F-6150 Input terminal and E.R.S. Rotary Ass'y Board

Parts list for input terminal and E.R.S. rotary ass'y board.

5-2. F-6151 TAPE(REC), VIDEO, SEND Terminal and EQ AMP Board

Parts list for tape, video, send terminal, and EQ amp board.

5-3. F-6152 RETURN Input Terminal Board

Parts list for return input terminal board.

5-4. F-6154 Control AMP Board

Parts list for the control amplifier board.

6. OTHER PARTS

6-1. Rear View

Identification of rear panel connections and components.

6-2. Top View

Component layout and identification on the top view.

6-3. Front View

Identification of front panel controls, knobs, and switches.

7. SCHEMATIC DIAGRAM

7-1. EQ & Control AMP section

Schematic for equalizer and control amplifier circuits.

7-2. Power AMP & Power Supply Section

Schematic for power amplifier and power supply circuits.

7-3. E.R.S.Control Section

Schematic for the E.R.S. control section.

7-4. D/A Converter Section

Schematic for the digital-to-analog converter circuits.

7-5. Power Supply Section

Schematic for the power supply circuits.

8. MAIN PARTS REPLACEMENT

A. F-6160 Driver AMP Board

Instructions for replacing the F-6160 driver amplifier board.

B. E.R.S. and F-6150 Board

Instructions for replacing the E.R.S. and F-6150 boards.

C. Front Panel Assembly

Instructions for removing and installing the front panel assembly.

D. Rear Panel

Instructions for removing and installing the rear panel.

9. E.R.S. EXPLODED VIEW & PARTS LIST

10. ACCESSORY LIST

11. PACKING LIST

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