Pioneer AVH-P6500DVD, Service Manual

Page: 154 / 210

154
1
2 3 4
1 2 3 4
F
E
D
C
B
A
AVH-P6500DVD/UC
No
Adjustment item
Input
Vcom amp output
Voltage waveform
Verification
Any input
signal
7
Adjusting
point
Measuring method
and specs.
Remarks
Measuring
point
TP VCOM
Input waveform
verification
(composite)
Apply a white
100% signal
toTP CVBS 1.
9
TP CVBS 1
The signal generator should be used via75 ohms.
RGB amp output
voltage waveform
verification
Apply a black
signal to TP
ANR,ANG,ANB.
(Video level:0%)
10 11
TP VG
The input signal has no setup. (Apply a black signal to TP CV BS1)
Gamma 0
Verification
Apply a
10-step
signal to TP
ANR,ANG,ANB.
TP VG
The input 10-step signal has no setup.
1.50
±
0.04V
Input waveform
verification
(RGB)
Apply a white
100% signal
toTP AVR,ANG.
ANB.
8
TP ANR,ANG,
ANB
The signal generator should be used via 75 ohms. (specs in desinging : 75.0
±
0.2ohms)
0.7V
±
0.02V
3.9
±
0.2V
The first-step A = 0.50V
±
0.1V
A1
A=
(A1+A2)/2
A2
12
Gamma 2
verification
Apply a
10-step
signal to TP
ANR,ANG,ANB.
TP VG
The input 10-step signal has no setup. If the measured value is out of specs, change the setting ofSA24h D11 - 8 (
γ
2 inflection point:
GAMMA2 in the line adjustment 1 mode) (Register setting specs: 4 + 1)
The 10-step A = 3.10
±
0.15V A1
A=
(A1+A2)/2
A2
Notes: 1) When the power supply for TC90A64AF-P is OFF, be careful not to apply any voltage to its terminals except for IIC lines(SDA and SCL). The IIC lines can accept a maximum of 5V. 2) In the following table, SA**h is a sub-address of TC90A64AF-P.
4.50
±
0.20V