Pioneer AVH-P5950DVD/XN/RC, Service Manual

Page: 79 / 193

AVH-P5950DVD/XN/RC
79
5 6 7 8
5 6
7
8
C
D
F
A
B
E
1
No.
Adjustment item
Input signal
Measurement point
Check 3.3 V power supply voltage
TP:PWRVI to 14.4 V
TP:33V
-
NOTE : When shutting off the power supply of TC90A96BFG-P, 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 to 5 V.
Note
Adjustment point
Adjustment
33V = 3.3
±
0.25 V
2
Check 2.5 V power supply voltage
TP:PWRVI to 14.4 V
TP:V25
-
V25 = 2.5
±
0.15 V
3
Check 1.5 V power supply voltage
TP:PWRVI to 14.4 V
TP:V15
-
V15 = 1.5
±
0.08 V
4
Check 5 V power supply voltage
TP:PWRVI to 14.4 V
TP:5V
-
5V = 4.9
±
0.3 V
5
Check 8 V power supply voltage
TP:PWRVI to 14.4 V
TP:VCC8V
-
VCC8V = 8.0
±
0.5 V
6
Check 18.5 V power supply voltage
TP:PWRVI to 14.4 V
TP:18V
-
18V = 18.5
±
0.5 V
Check -12 V power supply voltage
TP:PWRVI to 14.4 V
TP:-12V
-
-12V = -12.0
±
0.6 V
7
Vcom amplifier output amplitude check
No definition.
TP:COM
-
4.70
±
0.10 V
4.20
±
0.30 V
1.75
±
0.10 V
9
Tone voltage amplitude check V1
No definition.
TP:VD1
Connect LCD panel for measurement. Connect LCD panel for measurement.
-
10
Tone voltage amplitude check V3
No definition.
CN5501 55pin (TP:VD3)
Connect LCD panel for measurement.
-
8