Servo Circuit Adjustment Method - DAEWOO ELECTRONICS DV-F882DY-C Service Manual

ELECTRICAL ADJUSTMENT
SECTION 2.

2-1. SERVO CIRCUIT ADJUSTMENT METHOD

1. PLAYBACK PHASE
Adjustment Parts
Check
• Connection Method
PATH JIG
CH-1
OSCILLOSCOPE
CH-2
• Adjustment Procedure
1) Play back the test tape.(DP-2)
2) Set the oscilloscope to the CHOP mode. Connect CH1 to the SW PULSE (PT01 PIN
3) Insert PATH JIG and Press "REC" button on the remote controller.
4) Check the position of the V-sync from the rising edge of the SW pulse.
(Standard: 6.5H±0.5H)
Checking Point Measuring Equipment
JPT01
PT01 PIN ¤Ø
Modulator
JPT01
6
PT01
Mode
Oscilloscope
3
Test Tape
DP-2
Play
TOP VIEW
¤Ø ).