Changhong Electric PF29T18 Service Manual page 54

13 Not connected
14 Negative loudspeaker terminal 2
15 Ground channel 2
16 Supply voltage channel 2
17 Positive loudspeaker terminal 2
Table 15 Functions and Service Data of TDA6107Q/TDA6108JF (NY01)'s Pins
Function Description
Pin No.
G inverting input
1
R inverting input
2
B inverting input
3
Ground
4
Black level current input
5
Supply voltage
6
B output
7
R output
8
G output
9
Table 16 Functions and Service Data of TC90A49P (N501)'s Pins
Pin
Functions Description
No.
ADC and DAC analog power
1
supply.
ADC bias voltage. Stabilize by
2
attaching a 0.01µF capacitor.
SERVICE MANUAL
0
7.3
0
14.8
7.3
Reference Voltage Positive Resistance
(V)
3.33
3.26
3.28
0.00
6.03
199
69.9
69.18
65.9
Reference Voltage
(V) Resistance (20KΩ)
4.98
1.41
52
∞
∞
0
3.5
∞
Digital Multimeter
Negative Resistance
(20KΩ)
5.32
5.32
5.32
0.00
18.65
∞
∞
∞
∞
Digital Multimeter
Positive
Resistance (20KΩ)
0.55
∞
∞
∞
0
3.5
∞
(20KΩ)
4.72
4.72
4.72
0.00
5.65
4.48
5.45
5.45
5.45
Negative
0.54
∞
(Continued)