14.10. H and TU-Board Block Diagram
RED
WHITE
MAIN Y/VBS
B19
A7
MAIN L
A33
EC G
AV3 S
SDA0
B32
B21
MAIN C/Pb
EC FB
B17
B16
A8
A27
B13
SDA1
AV4 QLINK
A21
SUB C/Pb
B33
B9
A34
AV3 V
B23
B34
B18
AV4 Pb
MAIN R
SCL0
A22
QLINK SEL
B15
B31
B22
A32
AV4 Y
B27
AV4 Pr
B8
AV3 C
AV3 R
AGC1
AV2 QLINK
EC B
AV MUTE
EC R
B14
B30
H1
SCL1
AV3 Y
AV3 L
SOUND DEF
SUB Y/VBS
B12
A11
B29
MAIN
Y
TVL
62
IN
SW2-1
IN
64
IN
IC3200
TV
AV2
AV4
1
OUT
58
AV SW
4
L
6
R
V
2
56
IN
OUT
C
AV1
SUB
54
L
52
R
47
Y
44
C
SW2-2
8
12
Y
13
C
V
10
9
11
L
R
17
15
18
16
R
L
19
Y
C
V
21
AV3
IN
SW-3
24
SW2-4
22
25
23
R
L
26
Y
27
C
V
TVR
36
SLO1
27
SCART
AUDIO
SOUND
24
SELECT
DACM L
57
PROCESSING
5
I2S CL
DACM R
DSP
LOUDSPEAKER
OUT
MONO IN
OUT
OUT
HEADPHONE
SOURCE
21
4
PROCESSING
SLI1
17
25
56
60
SRO1
HP
PRESCALE
I2S DA O
DAC
MSP
INPUT
RESETQ
37
6
SRI1
DACA R
SCART
28
SP
OUTPUT
DACA L
SELECT
IC2002
IN
MAIN
SELECT
I2S DA
SOUND
SURROUND
DAC
ADC
DAC
DAC
+
7
Q2003
1
Q2004
3
5
-
-
+
IC2206
VAO
SRO1
33
34
OUT
SLO1
TV
20
6
2
8
VIDEO IN
L IN
R IN
AV1 SLOW
TV L OUT
3
1
TV R OUT
7
16
15
11
FB IN
RED IN
GREEN IN
BLUE IN
12
SDA1
SCL1
10
19
TV VIDEO OUT
8
VIDEO IN
20
6
L IN
R IN
2
AV2 SLOW
3
TV L OUT
TV R OUT
1
19
TV VIDEO OUT
Q-LINK
10
C IN
15
8
VIDEO IN
20
6
L IN
R IN
2
AV1 SLOW
3
TV L OUT
16
TV R OUT
7
FB IN
1
RED IN
GREEN IN
15
11
BLUE IN
19
TV VIDEO OUT
Q-LINK
10
AV1
AV2
AV4
-
IC2207
7
1
3
5
+
-
+
L
R
L
R
Q2204
Q2203
Q3197
Q3196
AV1 V
AV1 L
AV1 R
AV1 SLOW
AV2 SLOW
AV4 SLOW
AV4 FB
AV4 RED
AV4 GREEN
AV4 BLUE
AV1 FB
AV1 BLUE
AV1 RED
AV1 GREEN
AV1 V
AV1 SLOW
AV1 L
AV1 R
AV2 C
AV2 L
AV2 R
AV2 V
AV4 V
AV4 L
AV4 R
AV2 R
AV2 C
AV2 V
AV2 L
AV2 SLOW
AV4 SLOW
AV4 V
AV4 L
AV4 R
AV4 C
2
3
4
8
7
6
15
14
R
G
B
FB
R
G
B
FB
IN
AV1
AV4
IN
FB
G
10
R
B
11
13
12
IC3102
SWITCHING
OUT1
HP R
13
IN2
6
HP L
8
Q2202
IN1
IC2200
HP AMP
4
9
OUT2
VOL
6
4
HP L
HP R
H9
AV1 GREEN
AV1 FB
AV1 RED
AV1 BLUE
AV4 FB
AV4 BLUE
AV4 RED
AV4 GREEN
MAIN L
MAIN R
AV3 V
AV3 R
AV3 SLOW
AV3 C
AV3 L
Q3208
Q3209
Q3210
Q3211
MAIN L
MAIN R
AV3 Y
AV3 Y
AV3 L
AV3 S
AV3 V
AV3 C
AV3 R
MAIN L
MAIN R
AV4 ROUT
45
43
R
L
AV4 LOUT
AV4
OUT
MONITOR ROUT
40
38
R
L
MONITOR LOUT
MONT
OUT
MAIN YV
MAIN C
SUB Y
SUB C
9
L
6
H
8
5
14
L
H
11
16
3
6
9
1
L
H
8
H
L
L
11
5
14
H
12
2
7
12
7
IC3101
SWITCHING
IC3100
TV L
TV R
Q3205
Q3204
TV R
TV L
TV R
TV L
MONT V
MAINRF
41
63
Q3203
PB
PR
Y
Q3170
Q3171
Q3172
AV4C Y
AV4C PB
AV4C PR
Q3104
Q3105
Q3106
AV4 VOUT
AV1 VOUT
AV2 VOUT
AV2 LOUT
Q3102
AV2 ROUT
Q3101
AV1 LOUT
AV1 ROUT
TV R
TV L
AV2 LOUT
AV2 ROUT
AV1 ROUT
AV1 LOUT
AV4 ROUT
AV4 LOUT
AV4C Y
AV4C PR
AV4C PB
AV1 VOUT
AV4 VOUT
AV2 VOUT
EC FB
EC B
EC G
EC R
QLINK SEL
AV2 QLINK
AV4 QLINK
12
AM
H10
2
SCL
AFT1
14
SDA
4
5
RGB SEL
EC R
EC B
EC FB
EC G
AM
AFT1
9
5
15
14
SDA
SCL
SW2
DA2
MSP RST
RGB SEL
IC3290
AGC1
QLINK SEL
AV4 QLINK
AV2 QLINK
AM
I2S DA I2
2A1
2Y1
1Y4
1A4
2A2
2Y2
2A3
2Y3
2A4
2Y4
11
12
13
15
17
9
8
7
5
3
AB-SD1
AB-LRCLK
AB-SCK
SDO0
RESET
25
13
29
28
3
SDO0
AB-SD1
AB-SCK
RESET
AB-LRCLK
5
SCL
SDA
6
IC2652
IC2670
AV MUTE
AV MUTE
JK3100
JK3101
JK3102
JK3103
JK3104
AUDIO OUT
12
T10
2
14
4
14
4
16
5
AM
S-CLOCK
AFT1
S-DATA
SWITCHING
TU
TNR001
1st TUNER
H
SOUND DEF
3
5
AVR 2.5V
1
3.3V
IC2653
2.5V
3
1
3
AVR 5V
9V
IC2003
5V
6
Q3207
Q3206
AV MUTE
TO K9
TO DG1
VAO
5
6
SCL
SDA
IC2654
DUAL BUS SWITCH
3D SURROUND
&SOUND ENHANCEMENT
BUFFER
EXP I/O PORT
Rear AV Terminal,Input Select,Audio Board
Tuner Board
VIDEO
22
18
AGC
1
RF AGC
23
17
MSP
24
21
MSP
VIDEO
RF AGC
22
23
24
MAIN RF
AGC1
A23
AFT1
AFT1
MSP
MAIN RF
67
MSP
ANA IN+
Q2006
Q2007
Q3200
Q3201
AV MUTE
Q3107
Q3103
Q3100
SERVICE
SUB5V
DCOUT
36
SCL
32
SDA
34
SURVICE
SDA0
SCL0
3
1
AVR 8V
9V
IC2001
8V
TH-42PA20B/E
H and TU-Board Block Diagram
TH-42PA20B/E
H and TU-Board Block Diagram
46
Summary of Contents for TH-37PA20A
Page 20: ...4 TH 37PA20AA TH 37PA20FA TH 37PA20HA TH 37PA20MA TH 37PA20RA ...
Page 30: ...6 Mechanical Replacement Parts List 10 ...
Page 68: ...R483 ERG2FJS104D M 100KOHM J 2W 1 48 ...
Page 71: ...R1061 ERJ3GEYJ223 M 22KOHM J 1 16W 1 51 ...
Page 107: ...6 Mechanical Replacement Parts List 9 ...
Page 110: ...7 2 Electrical Replacement Parts List 12 ...
Page 144: ...R408 ERJ6GEYJ6R8 M 6 8 OHM J 1 10W 1 46 ...
Page 148: ...R1075 ERJ3GEYJ102 M 1KOHM J 1 16W 1 50 ...
Page 172: ...S300 K0F162B00002 SWITCH 1 74 ...
Page 287: ...2 Service Hint 7 TH 42PA20A TH 42PA20F TH 42PA20H TH 42PA20M TH 42PA20R ...
Page 288: ...8 TH 42PA20A TH 42PA20F TH 42PA20H TH 42PA20M TH 42PA20R ...
Page 308: ...7 3 Lead of wiring 3 ...
Page 309: ...7 4 Lead of wiring 4 ...
Page 315: ...9 3 Option Description ...
Page 316: ......
Page 317: ...10 CAT computer Aided Test mode ...
Page 330: ...17 Mechanical Replacement Parts List ...
Page 568: ...1 Applicable signals 4 TH 42PA20E TH 42PA20B ...
Page 572: ...5 Service Hint 8 TH 42PA20E TH 42PA20B ...
Page 578: ...7 Location of Lead Wiring 7 1 Lead of Wiring 1 7 2 Lead of wiring 2 14 TH 42PA20E TH 42PA20B ...
Page 579: ...7 3 Lead of wiring 3 15 TH 42PA20E TH 42PA20B ...
Page 580: ...7 4 Lead of wiring 4 7 5 Lead of wiring 5 16 TH 42PA20E TH 42PA20B ...
Page 586: ...22 TH 42PA20E TH 42PA20B ...
Page 587: ...9 3 Option Description 23 TH 42PA20E TH 42PA20B ...
Page 588: ...24 TH 42PA20E TH 42PA20B ...
Page 591: ...10 4 IIC mode structure following items value is sample data 27 TH 42PA20E TH 42PA20B ...