2-1. SERVO CIRCUIT ADJUSTMENT METHOD
1. PB Phase
• Adjustment Procedure
1. Set the oscilloscope to the CHOP mode. Connect the oscilloscope to check point and trigger the scope with CH1.
2. Adjust R595 to position the V-SYNC at 6.5±0.5H from the rising edge of sw pulse.
• Adjustment Inspection Standard: 6.5±0.5 H
SECTION 2.
ELECTRICAL ADJUSTMENT
Mode
Adjustment Parts
Check Point
Test Equipments
Test Tape
Input Signal
CH 1: PT01
#
PB
!
R595
CH 2: VIDEO
Oscilloscope
DN-1
OUTPUT JACK
3
Location of Adjustment Parts
Observation Waveform
H-Axis: 50us/div
V-Axis: CH 1
¡
1.0v/div
CH2
¡
0.5v/div
MAIN PCB
T
U
N
E
R
HEAD-AMP
DECK
8
9
6
3
7
4
5
2
10
1
6.5
¡
0.5H
