Adjustment - Pioneer VSW-1 Service Manual

1

6. ADJUSTMENT

1. JACK Assy Adjustment
A
In the JACK Assy replacement, adjustment of new JACK Assy is being completed.
When uses two DVJ-X1, and a screen is confused, adjustment requires.
Sync Generator Clock Adjustment
Adjustment Condition
Adjustment point
Measurement point
Measuring Instrument
B
Adjustment Value
Procedures
Adjustment Point
C
NP
NP
4 3
6 5
2 1
D
E
F
36
1
2
Power ON (J100 pin3+5V and pin2Gnd)
VC1
TP1 (27M) and TP2 (GND)
Frequency counter
27MHz ± 10Hz
1 Connect a frequency counter between TP1 (27M) and TP2 (GND).
2 Adjust VC1 so that the frequency of TP1 becomes 27MHz ± 10Hz.
A
JACK ASSY
50
26
26 50
Pull out the hole plug.
Adjustment screwdriver
(small)
2
3
SIDE A
C39
33
33
3
6
2
NP
1
JACK Assy
Frequency counter
VSW-1
3
4
48
48
1
27MHz
8
8
5 5
TP1
1 1 4
4
TP2
adj
2
GND
VC1
4 3
5
2 1
NP NP
4