Panasonic TH-42PA50A, Service Manual

Page: 77 / 181

14.13. H, TA and TB-Board Block Diagram
PR
PB
Y
PR
AV2
V
L
C
R
R
L
Y
R
L
V
AV4
R
V
V
AV1
L
MONITOR
OUT
PB
Y
MAIN_L
MAIN_R
AFC2
AV2_V
TV_L
TV_R MAIN_R
MAIN_L
AV1_L
AV1_R
AV2_L
AV2_R
AV4_L
AV4_R
AV4_V
AFC1
TV_L
TV_R
AV1_Y
AV1_C
AV4C_Y
AV4C_YSW
AV4_R
AV2_V
AV1_R
AV2C_PR
AV4_V
AV2C_PB
AV1_V
AV4C_PR
AV2C_Y
AV2C_YSW
AV4C_PB
AV1_YSW
AV2_R
AV1_L
AV4_L
AV4C-YSW
AV4C_PR
AV4C_PB
AV4C_Y
AV2C_Y
AV2C_PB
AV2C_PR
AV2C_YSW
AFC2
AFC1
AV1_YSW
AV1_C
AV1_Y
AV1_V
AGC1
AGC2
AGC2
AGC1
AGC1
AFC1
AV2_L
JK3100A
Y-SW
Y
G
PB
PR
V
L
R-SW
R
G
Y-SW
Y
G
PB
PR
V
L
R-SW
R
G
C
Y
G
Y-G
C-G
G
V
L
R-SW
R
G
V
L
R
G
L_OUT
SDA3
17
R_OUT
SCL3
18
MAIN
COUT1
IN
IC3005
AV2
65
OUT
58
VIDEO SW
59
OUT
PROUT1
AV1
SUB
60
VOUT1
55
VOUT2 56
COUT2
71 V2
5
3
Y4
V4
36
SC1OR
27
AUDIO
SOUND
24
SELECT
DACM L
57
PROCESSING
DACM R
DSP
LOUDSPEAKER
OUT
OUT
OUT
HEADPHONE
SOURCE
PROCESSING
SL1IL
25
56
SC1OL
HP
PRESCALE
DAC
MSP
INPUT
37
SC1IR
DACA R
28
SP
OUTPUT
DACA L
SELECT
IC2106
IN
MAIN
SELECT
SOUND
SURROUND
ADC
DAC
DAC
+
7
Q2104
1
Q2105
3
5
-
-
+
IC2104
VAO SC2OR
33
34
OUT
SC2OL
TV
L
R
Q2103
Q2102
31
29 HP_LIN
HP_RIN
Q3017
Q3011
Q3010
H
AV TERMINAL
67 ANA IN+
SCL 45
SDA 44 SDA1
SCL1
25
27
MAIN PB/C/R
MAIN PR/B
9
11
SUB CY/Y/V
SUB PB/C 3
1
RMCN
AFC2 34
38
V7 17
3 2
SD
A1
SCL1
4 2
IC2108
RESET
3 2 1
IN SW OUT
IC2107
AVR 5V
AUDIO VIDEO SWICTHING
MSP
16
17
1
2
3
4
9
10
29
30
L7
R7
L1
R1
L2
R2
L4
R4
TV
IN
AV1
IN
AV2
IN
AV4
IN
MAIN
ROUT2
LOUT2
OUT
SDA
SCL 32
33
IC2105
AUDIO SW
SDA1
SCL1
29
CY2
PR2
PB2
31
27
AV4
IN
AV2C
IN
VOUT5 51
PROUT2 54
7 Q3014
MAIN Y/V/G
SCL3
SDA3
21
SCL2 20
SDA2 SDA2
SCL2
SDA1 SDA1
SCL1 SCL1
24
23
SOS2 31
SOUND_MUTE 30
SP_MUTE 29
RESET 28
H2
TO DG2
20
21
23 SP_SHORT
MAIN_DEF
18
SP_MUTE
RESET
SCL1 15
SDA1 17 SDA1
SCL1
11
7
6
5
2
1
+9VS
+10VS
TO Z50 H50
STB 5V
13
MAIN 9V
+9VS(S)
STB 5V
MAIN 9V
+9VS(S)
+10VS(W)
+10VS(W)
+10VS(W)
Q3009
Q2012 Q2011
Q2013
STB 5V
Q3008
6
SUB 9V2
AVR 8V
1 3
IC2103
IN OUT
8V
21
RESETQ
SUB 9V2
2
MAIN 3.3V
4 8
SUB 5V_SD SUB 9V2
10 22
SUB 3.3V
12
SUB 5V BT 30V
14 23 18 27 21
+10VS
6 16
SUB 5V_SD
H30
TO PA30
28
MAIN 9V +10VS +10VS +9VS +9VS
SUB 5V
SUB 5V_SD
SUB 9V2 MAIN 9V
SUB 3.3V
MAIN 3.3V
30V_BT
+10VS(W
O)
+9+VS(SQ)
Q3015
MAIN CVBS(RGB) 13
SUB PR
5
LED_R 26
KEYSCAN 33
SRQ 32
TO K1 H53
12
SUB 5V_SD 5
LED_R
KEYSCAN
STB 5V
RMCN
7
8
2
2 SRQ
4
1
STB 5V
SCL3
5 SDA3
7 SDA2
8
6
SCL2
SCL1
9 SDA1
LOADER
EEPROM
DEVICE
H12
+STB 5V
STB 5V
SUB 5V_SD
SDA3
SCL3
SDA2
SCL2
SDA1
SCL1
SD
A
SCL XIN
72
XOUT
71
X2101
SUB 5V_MSP
27
STB 5V
STB 5V
19
TV(M)
V1
V8
FOR
FACTORY
USE
35 AFC1
Q3018
Q3012
Q3013
S-2 76
AFT1 8
H5
2 MAIN VIDEO
4 MSP
7 SCL
8 SDA
13
AFT2
10
SUB VIDEO
H6A
TB5
TB6
8
10
7
13
8
2
4
10 S-CLOCK
11 S-DATA
12 AFT
17 VIDEO
14 SIF
TB
TUNER
MAIN TUNER
TU001
17
10
S-DATA
SUB TUNER
11
AFT 12
VIDEO
TU002
S-CLOCK
AV4C
S-4 6
IN 43
41
39
PB4
PR4
CY4
46 VOUT4
MONITOR
OUT
TV(S)
IN
IN
IN
Q3024
Q3209
Q3210
Q3208
Q3211
SCL1
SDA1
67 Y1
69 C1
70 S-1
Q3002
Q2001
Q2002
14
EX.I/O
3 SDA
SCL
DAC0
DAC4
7
SCL1
SDA1
15
IC3006
4
DAC1
DAC3
6 DAC2 5
3
5 SW1 SUB SIF SW1
3
4 4
6 SW2
5 5 8 AFAGC AFAGC2
SUB SIF SW2
MAIN SIF SW2
11 11
12 12
6 SW2
AFAGC1 10 10 8 AFAGC
5 SW1 MAIN SIF SW1
H15
AGC2
AGC1
2
1
Q3204
Q3207
Q3205
Q3206
MSP_RESET
FOR
FACTORY
USE
2 SDA
TA6
2
MAIN TUNER
TU001
1
8
2 2
4 4
MAIN VIDEO
MSP
10 S-CLOCK
AFAGC1 10
11 S-DATA
12 AFT
10
17
8
VIDEO
AFAGC
14 SIF
TA
TUNER
AFT1
H6
TA5
8
H5
1 SCL SCL1
SDA1
Q2106-Q2109
SIF TRAP
PA50A ONLY
PA50H/M ONLY
PA50A
PA50M/H ONLY
PA50H/M
ONLY
PA50M/H
TV
IN
ADC
DE-
MODULATOR
PROCESSING
PRE-
TH-42PA50A H and TA-Board Block Diagram
TH-37/42PA50H/M H and TB-Board Block Diagram TH-42PA50A H and TA-Board Block Diagram
TH-37/42PA50H/M H and TB-Board Block Diagram
TH-42PA50A / TH-42PA50H / TH-42PA50M / TH-37PA50H / TH-37PA50M
77