Pioneer AVH-P5050DVD, Service Manual, Page: 85 / 201

AVH-P5050DVD/XN/RC
85
5 6 7 8
5 6
7
8
C
D
F
A
B
E
MONITOR PCB ADJUSTMENT
NOTE:When shutting off the power supply of TC90A96BFGSING, be careful not to energize each IC terminal. However , IIC lines(SDA and SCL) is not included in this case and it is possible to energize them with up 5 V.
No.
Adustment item
Input signal
Measurement point
1
Check 3.3 V
TP:PWRVI
TP:33V
-
33V
=
3.3 ± 0.25 V
supply voltage
to 14.4 V
2
Check 2.5 V
TP:PWRVI
TP:V25
-
V25
=
2.5 ± 0.15 V
supply voltage
to 14.4 V
3
Check 1.5 V
TP:PWRVI
TP:V15
-
V15
=
1.5 ± 0.08 V
supply voltage
to 14.4 V
4
Check 5 V power
TP:PWRVI
TP:5V
-
5V
=
4.9 ± 0.3 V
supply voltage
to 14.4 V
5
Check 8 V power
TP:PWRVI
TP:VCC8V
-
VCC8V
=
8.0 ± 0.5 V
supply voltage
to 14.4 V
6
Check 18 V power
TP:PWRVI
TP:18V
-
18V
=
18.5 ± 0.5 V
supply voltage
to 14.4 V
7
Check -12 V
TP:PWRVI
TP:-12V
-
-12V
=
-12.0 ± 0.6 V
supply voltage
to 14.4 V
8
Vcom amplifier
No definition
TP:COM
-
4.70 ± 0.10 V
Connect LCD panel for measurement
output amplitude check
9
Tone voltage
No definition
57pin of CN5501
-
4.20 ± 0.30 V
Connect LCD panel for measurement
amplitude check V1
10
Tone voltage
No definition
55pin of CN5501
-
1.75 ± 0.10 V
Connect LCD panel for measurement
amplitude check V3
Adustment point
Adustment
Note