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07
SUB 5V_MSP
IC2108
SDA1
OUT
3
RESET
SCL1
2
4
IC2103
8V
AVR 8V
3
IN
OUT
1
IC2106
MSP
37
SC1OR
AUDIO
OUT
36
SC1OL
34
SC2OL
TV
OUT
33
SC2OR
MAIN_L
DSP
56
SL1IL
MAIN
INPUT
IN
SELECT
MAIN_R
57
SC1IR
ADC
ANA IN+
IC2105
AUDIO SW
AV2_LO
25
AV2
LOUT3
AV2_RO
OUT
26
ROUT3
MAIN_L
29
MAIN
LOUT2
MAIN_R
OUT
ROUT2
30
AV4_LO
34
AV4
LOUT1
AV4_RO
OUT
35
ROUT1
SCL 32
SCL1
SDA
33
SDA1
1
IC3004
G
SWITCHING
6
1
6
2
4
4
2
G
6
4
Q3021
Q3022
79
TO PA30
IC3006
EX.I/O
MSP_RESET
14
SDA
DAC2
5
15
SCL
DAC3
4
X2101
2
3
71
72
21
OUTPUT
DAC
SELECT
HEADPHONE
SURROUND
SOUND
SOURCE
PROCESSING
SELECT
ADC
PRESCALE
LOUDSPEAKER
SOUND
DE-
PRE-
PROCESSING
MODULATOR
PROCESSING
67
DVB_V
19
DVB IN
V8
AV1_V
AV1 IN
65
V1
AV1_SLOW
68 SA1
AV2_V
71
V2
AV2
73
Y2
IN
AV2_C
75
C2
AV2_SLOW
74 SA2
AV4_V
3
V4
AV4
5
Y4
IN
AV4_RED/C
7
C4
AV4_SLOW
4
SA4
AV1_GREEN
27
CY2
AV1
AV1_RED/C
29
PB2
RGB
AV1_BLUE
IN
31
PR2
AV4_GREEN
33
CY3
AV4
AV4_RED/C
35
PB3
RGB
AV4_BLUE
IN
37
PR3
61 VOUT
TV
OUT
46 VOUT4
TV
Q3010
17
V7
IN
64
O1
O2
66
O2
72
O3
O4
78
O4
DC_OUT
62
DC OUT
H30
2
4
6
8
10
12
14
16
18
21
22
23
27
28
DACA L
25
HP
OUT
DACA R
24
DACM L
28
SP
DAC
OUT
DACM R
27
DAC
STB 5V
Q2013
Q2011
Q2012
IC3005
VIDEO SW
60
VOUT1
MAIN
59
COUT1
OUT
PROUT1
58
VOUT5 51
VOUT2 56
SUB
COUT2
55
OUT
PROUT2 54
39
CY4
AV4C
41
PB4
PR4
43
SDA 44
SDA1
SCL 45
SCL1
H50
+12VS
1
2
5
+12VS
6
STB 5V
7
MAIN 9V
11
13
29
31
IC2104
SCL1
15
VAO
SDA1
17
7
25
Q2105
5
L
R
Q2104
3
+
1
27
-
20
21
18
23
H1
HDMI_R
30
HDMI_L
28
DVB_R
10
DVB_L
8
DVB_V
6
24
H2
28
29
30
Q3008
Q3009
31
24
SDA1
SCL1
23
SDA2
21
SCL2
20
SDA3
18
SCL3
17
Q3014
7
Q3017
9
Q3011
11
Q3015
13
1
3
5
STB 5V
27
FB
15
AV2_QLINK
40
AV4_QLINK
39
AFC1
35
38
26
33
32
H53
7
8
STB 5V
12
2
AV4C_Y
11
AV4C_PB
5
AV4C_PR
SUB 5V_SD
+STB 5V
H12
1
2
4
SCL3
SDA3
5
SCL2
6
SDA2
7
SCL1
8
9
SDA1
TH-37/42PE55E
H and TA-Board Block Diagram
TO Z50
+12VS(S)
+12VS(S)
+12VS(W)
+12VS(W)
+12VS(W)
STB 5V
MAIN 9V
HP_LIN
HP_RIN
SCL1
SDA1
L_OUT
R_OUT
MAIN_DEF
SP_MUTE
RESET
SP_SHORT
TO DG1
HDMI_R
HDMI_L
DVB_R
DVB_L
DVB_CVBS
IRD_LED
TO DG2
RESET
SP_MUTE
SOUND_MUTE
SOS2
SDA1
SCL1
SDA2
SCL2
SDA3
SCL3
MAIN Y/V/G
MAIN PB/C/R
MAIN PR/B
MAIN CVBS(RGB)
SUB CY/Y/V
SUB PB/C
SUB PR
STB 5V
FB_OUT
AV2 QLINK
AV4 QLINK
AFC1
RMCN
LED_R
KEYSCAN
SRQ
TO K1
KEYSCAN
LED_R
RMCN
STB 5V
IRD_LED
SUB 5V_SD
FOR
FACTORY
USE
STB 5V
SRQ
SCL3
EEPROM
SDA3
SCL2
LOADER
SDA2
SCL1
DEVICE
SDA1
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