TCL 21M62S Service Manual page 32

Confidential
Pin
Pin Name
No.
Terminal to be connected
37 Reg Fil capacitor for stabilizing
internal bias.
Output terminal for External
AUDIO audio signal or TV audio
38
Monitor out signal selected by BUS
(Audio SW).
Terminal to be connected
39 IF AGC
with IF AGC filter.
40 IF GND GND terminal for IF circuit.
Input terminals for IF
signals.
41
IF in Pin41 and Pin42 are both
42
input poles of differential
amplifier.
Output terminal for RF AGC
43 RF AGC
control level.
Terminal to be connected
with Black Det filter for
44 Black Det black stretch.
Output terminal for monitor
SVM / function. Also output
45
Monitor terminal for SVM signal.
Selectable through IIC bus
Terminal to be connected
with APC filter for Chroma
demodulation.
46 APC filter
This terminal voltage
controls frequency of
VCXO.
TMPA8873PSNG /CMNG /CPNG /CRNG /CSNG
Function
32
Interface Circuit
17
5kΩ
37
5kΩ
18
17
38
18
6kΩ
100Ω 20kΩ
1.2kΩ 1.2kΩ
39
500Ω
36
50kΩ
20pF
41
20pF
42
50kΩ
40
36
200Ω 2kΩ
43
40
47
4kΩ
44
18
17
200Ω
45
18
47
500Ω 152kΩ
46
18
I/O Signal
36
40
⎯
2005/03/29