Read Panasonic TX-23LX50F / TX-23LX50P Service Manual online
VIDEO & STEREO AUDIO BLOCK DIAGRAM
TO LCD
PA
NEL
NEL
JK2350
R
L
HEADPH
1 5 4 3 2 6 7
AV2 21 PIN SCART
20
VIDEO
IN
15
C IN
19
V
IDE
O OUT
O OUT
6
L IN
3
L OUT
2
R IN
1
R OUT
TUNER
17
14
L
R
V1
3
4
IC250
TDA1517N3
9
R IN
1
L IN
R OUT
6
L OUT
4
IC1500
AV2 V
57
VSP9405BVKC4
61
TX
T CV
T CV
BS
52
TVCVBS
AV2 C
58
AV1C
VB
S
S
53
AV3 YV
IN
55
AV3
C
56
1
2
1
÷2
V2
5
÷6
R2350
R2351
11
9
11
9
B1
A16
Q202
Q201
JK300
1
V L R
AV3 TERMINAL
C Y
IC1100
SDA5550M
TXT CVBS
21
AD_65
6.0
÷
÷
AD_656.7
IC1700
DPS9450A
OSD R IN1
131
OSD G IN1
132
OSD B IN1
133
57
OSD R
58
OSD G
59
OSD B
A50
AD_656.0
÷ AD_656.7
R1.0
÷ R1.7
G1.0
÷ G1.7
B1.0
÷ B1.7
2
B - BOARD
A - BOARD
V - BOARD
1
÷2
5
÷6
AV1 21 PIN SCART
20
VIDEO
IN
15
R IN
11
G I
N
N
19
V
IDE
O OUT
O OUT
7
B IN
6
L IN
3
L OUT
2
R IN
1
R OUT
IC1701
DPS9450A
TX0-
TX0+
TX1-
TX1+
TX2-
TX2+
TX3-
TX3+
B1.0
÷ B1.7
G1.0
÷ G1.7
R1.0
÷ R1.7
4
6
8
6
8
10
12
18
12
18
20
B EXT
41
R EXT
39
G
EXT
40
FBL1
37
16
FBL1
Q1504
Q1505
Q1503
Q1501
A
V
2 CV
BS
BS
62
A
V
1 CV
BS
BS
63
IC2000
MSP3410GAB83
AV3 R
IN
51
AV2 R
IN
54
SPK L
O
U
T
28
SPK R
O
U
T
27
AV3 L I
N
50
AV2 L I
N
53
AV1 L I
N
56
AV1 R
IN
57
AV1 L OUT
37
AV1 R OUT
36
AV2 R OUT
33
AV2 L OUT
34
A12
AUDIO AMPLIFIER
SOUND PROCESSOR
VIDEO PROCESSOR
MICRO PROCESSOR
LCD DRIVER
LCD PANEL
INTERFACE
INTERFACE
SIF
67
AM
60
8
8
13
9
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