Adjustment - Pioneer DV-717 Service Manual

DV-717

6. ADJUSTMENT

6.1 ADJUSTMENT ITEMS AND LOCATION
Adjustment Points (PCB Part)
DVDM ASSY
CN9031 CN9020
1
VC901
IC904
5
1
IC801
MB86371C
CN201
1, 2 : Focus Error
3, 4 : GND
5, 6 : RF
7 : S REQ
8 : 3.3V
9,10 : Tracking Error
CN120
11,12 : VREF (Approx. 2.5V)
13 : VCO DR
14 : Focus Drive(DSP output)
14
13
2
1
CN201
CN1030
CN110
How to output the VIDEO SIGNAL without the DNRB ASSY
DVDM ASSY
50
SIDE A
IC302
1
2
VC301
a) When PC Board No. is VNP1651
1 Connect A1 and A2 with the wire jumper
2 Connect B1 and B2 with the Resistor(150Ω)
b) When PC Board No. is VNP1684
1 Connect A1 and A2 with the wire jumper
Note:The PC Board was running-changed
A1
from VNP1651 to VNP1684
B1
2
Resistor
150Ω
B2
A2
Adjustment Items
[Electrical Part]
1 16MHz Master Clock Adjustment
2 VCO Offset Adjustment
3 Y Level Adjustment
4 C Level Adjustment
5 R Level Adjustment
6 G Level Adjustment
7 B Level Adjustment
DNRB ASSY
1
Wire Jumper
location
A1:R991(CN9031 20pin)
A2:IC801 45pin
B1:R991
B2:L803( )
Resistor 0Ω
SIDE B
5
6
7
3
4