3. SYNC TIP FREQ.
• Adjustment Procedure
1. Set the TV/LINE to LINE mode.
2. Set the VCR to the STOP mode.
3. Connect the frequency counter to check point.
4. Adjust R391 to obtain 3.33±0.1 MHz.
• Adjustment Inspection Standard: 3.33±0.1 MHz
7
Mode
Adjustment Parts
Check Point
Test Equipments
Test Tape
Input Signal
+: TJ391
STOP
&
R391
–: GND
Freq. Counter
Without signal
Location of Adjustment Parts
Observation Waveform
H-Axis: V-Axis:
MAIN PCB
T
U
N
E
R
HEAD-AMP
DECK
8
9
6
3
1
4
5
2
10
7
