Pioneer PRO-R04U Service Manual page 106

1
3 Video Level Adjustment
Equipment : SG, Oscilloscope
A
Condition : Input RF level 60dBµV
Modulation 87.5%
White bar 100%
START
B
Select
ANT B 55.25 MHz
AIR
02
1
C
4 Audio Level Adjustment
Equipment : SG, Digital mutimeter / Tester
Condition : Input RF level 60dBµV
1kHz MONO 100%
D
START
Select
ANT B 55.25 MHz
AIR
02
E
1
F
106
1
2
9
VR7505
(AV BOARD Assy)
9
VR7504
(AV BOARD Assy)
PDP-R04U
2
3
Adjust TP7513 to 1.0 ± 0.05Vp-p
1.0 ± 0.05Vp-p
Oscilloscope
CH1 CH2
(X) (Y)
(AV BOARD Assy)
Adjust TP7504 to 110mVrms
Digital multimeter
/ Tester
(AV BOARD Assy)
3
4
TP7513
TP7504
4