Parker TC1475, Руководство по обслуживанию

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35
PIF•PL
L
36 IF-5V
37 S-Reg
38 AU OUT
39 IF AGC
40 IF GND
41 IF in
42 IF in
43 RF AGC
44 Black Det
45 Monitor out
46 APC fil
47 YC VCC5V1
48 SYNC OUT
49 DVCC 3.3V
50 R out
51 G out
52 B out
53 GND
TC1475 / TC2175 / TF2139
15
Remote control (key assignments list)
11.
Remote control (key assignments list)
Connect with PIF-PLL filter
5V power for IF
Connected with filter capacitor, stabilization inner bias
Audio output, not with volume control
Connected with AGC filter
IF GND
Pin41
、
Pin42 are input port for differential amplifier,
input IF signal from SAW
RF-AGC signal output for tuner
Connected with black detect filter
CVBS/SVM output, CVBS/SVM selected by I²C
Connected with APC filter of chroma decode circuit
Power for YC
SYNC output
Power for digital circuit
R output
G output
B output
Connected with analog GND
ico
1
2
3
4
5
6
7
8
9
0
-/--
POWER
BTSC
P.P
TV/AV
P-
function
Number key
Standby key
BTSC key
Picture mode key
TV/AV key
Channel lessen key
data
(D7-D0)
00000000
00000001
00000010
00000011
00000100
00000101
00000110
00000111
00001000
00001001
00001010
00001011
00001100
00001110
00001111
00010000
9028-0E0E
H E X
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0E
0F
10
LC6122
BF40
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0E
0F
10
7461-54H7
H E X
1
2
3
4
5
6
7
8
9
0
0a
0x12
0x1f
0x19
0x0B
0x17
7461-55K2
H E X
1
2
3
4
5
6
7
8
9
0
0a
0x1C
0x0d
0x13
0x0f
0x1a