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DVD RECEIVER AMP
HT-DB750
HT-DB770
HT-DB1750
HT-DB1850
SERVICE Manual
DVD RECEIVER AMP SYSTEM CONTENTS
1. Alignment and Adjustments
2. Exploded Views and Parts List
3. Electrical Parts List
4. Block Diagrams
ASC LSM V-H/P
5. PCB Diagrams
6. Wiring Diagram
7. Schematic Diagrams
8. IC block Diagrams
9. Troubleshooting
- Confidential -
1. Alignment and Adjustments
1. Tuner
FM THD Adjustment FM
Output
Antenna SET
GND
SSG FREQ. 98 MHz Terminal
Oscilloscope
Adjustment FM S.S.G Input
point FM DETECTOR COIL Speaker
(FM DET) Terminal
output Input
Output 60 dB
Distortion Meter
Minumum Distortion (0.4% below)
(Figure 1-1)
Figure1-1 IF CENTER and THD Adjustment
FM Search Level Adjustment
28 dB FM Antenna
SSG FREQ. 98 MHz
Adjustment BEACON SET
point SENSITIVITY
(SVR1) SEMI-VR(20K) GND
FM S.S.G FM IN
Output 28 dB(