DAEWOO ELECTRONICS DV 115, Service Manual

Page: 2 / 63

1. SAFETY PRECAUTIONS ......................................................3/4
2. SPECIFICATIONS....................................................................5
3. LOCATION OF USERS CONTROLS....................................7/8
-. FRONT PANEL.
1) DV-115 FRONT PANEL.
2) DV-125 FRONT PANEL.
-. REAR PANEL.
-. DISPLAY.
-. REMOTE CONTROLLER.
4. CONNECTING TO EQUIPMENT.........................................9/11
-. CONNECTING TO TV.
-. CONNECTING TO AUDIO & VIDEO.
-. CONNECTING TO SPEAKER.
-. CONNECTING TO RECORDING EQUIPMENT.
5. TROUBLE SHOOTING GUIDE.........................................12/17
6. DVD PROGRAM DOWNLOAD METHOD.............................18
7. WAVEFORMS OF MAJOR CHECK POINT.....................19/20
-. AUDIO OUT SIGNAL WAVEFORM.
-. DAC OUTPUT SIGNAL WAVEFORM.
-. OPTICAL OUTPUT AUDIO DATA SIGNALFORM.
-. L/R CLOCK DATA WAVEFORM DURING NORMAL PLAY.
-. SERIAL DATA OUTPUT WAVEFORM DURING NORMAL PLAY.
-. Cr OUTPUT DATA WAVEFORM IN COMPONENT OUTPUT.
-. Cb OUTPUT DATA WAVEFORM IN COMPONENT OUTPUT.
-. Y OUTPUT DATA WAVEFORM IN COMPONENT OUTPUT.
8. INTERNAL BLOCK DIAGRAM OF ICs............................21/27
9. IC VOLTAGE CHART.......................................................28/29
10. BLOCK DIAGRAM...............................................................30
11. WIRING DIAGRAM.........................................................31/32
1) DV-115 WIRING DIAGRAM.
2) DV-125 WIRING DIAGRAM.
12. LEVEL DIAGRAM...............................................................33
13. SCHEMATIC DIAGRAM.................................................34/43
-. FRONT SCHEMATIC DIAGRAM.
1) DV-115 FRONT SCHEMATIC DIAGRAM.
2) DV-125 FRONT SCHEMATIC DIAGRAM.
-. DSP SCHEMATIC DIAGRAM.
-. MPEG SCHEMATIC DIAGRAM.
-. MAIN SCHEMATIC DIAGRAM.
1) POWER SCHEMATIC DIAGRAM.
2) AMP SCHEMATIC DIAGRAM.
3) INPUT SCHEMATIC DIAGRAM.
4) VIDEO SCHEMATIC DIAGRAM.
14. PRINTED CIRCUIT DIAGRAM.......................................44/49
-. DV-115 FRONT PCB.
1) TOP VIEW.
2) BOTTOM VIEW.
-. DV-125 FRONT PCB.
1) TOP VIEW.
2) BOTTOM VIEW.
-. DSP PCB.
1) TOP VIEW.
2) BOTTOM VIEW.
-. MPEG PCB.
1) TOP VIEW.
2) BOTTOM VIEW.
-. MAIN PCB.
15. MECHANISM........................................................................50
16. EXPLODED VIEW...........................................................51/55
-. MECHANICAL EXPLODED VIEW
1)DV-115
2) DV-125
-. MECHANICAL PARTS LIST
-. DISASSEMBLY VIEW
-. CONNECTOR LIST
17. ELECTRICAL PARTS LIST............................................56/63
Contents