2-2. VIDEO CIRCUIT ADJUSTMENT METHOD
1. EE LEVEL
• Adjustment Procedure
1. Set the TV/LINE to LINE mode.
2. Supply the color bar signal with 100% white to video input jack.
3. Set the VCR to the stop mode.
4. Connect the oscilloscope to check point and trigger the scope with CH2.
5. Adjust R395 to obtain 0.5±0.01 Vp-p between the sync tip and 100% white level.
• Adjustment Inspection Standard: 0.5±0.01 Vp-p
4
Mode
Adjustment Parts
Check Point
Test Equipments
Test Tape
Input Signal
LINE INPUT
CH1: TJ313
Signal Gen.
Color Bar
& STOP
#
R395
CH2: TJ395
Oscilloscope
with 100% white
Location of Adjustment Parts
Observation Waveform
H-Axis: 10us/div
V-Axis: 0.1v/div
MAIN PCB
T
U
N
E
R
HEAD-AMP
DECK
8
9
6
3
7
4
5
2
10
1