Table of Contents
Advertisement
A
B
C
A..-29FQ76
A
1
INTERFACE
2/4
2
3
1
GND
4
GND
2
FBLK
3
4
GND
V_PULSE
5
V PULSE IN
H_PULSE
6
H PULSE IN
MAIN_Y
7
Y MAIN IN
8
GND
MAIN_U
9
U MAIN IN
MAIN_V
V MAIN IN
10
CV_TEXT
5
CVBS TXT
11
12
GND
13
SUB-C
TP6
14
SUB-Y
15
GND
D.CVBS
16
D-CVBS OUT
COMB-C
AV4_C
R1114
17
AV4-C OUT
0
ATV-CV OUT
18
COMB-Y
AV4_Y
AV4-Y OUT
19
20
GND
6
AV_LINK
21
AV LINK
R1121
R1126
XX
0
22
GND
CHIP
SDA
23
SDA
SDA1
R1123
0
R1125
XX
SCL
24
SCL
R1124
0
SDA_1
25
SDA1
5V_JACT
R1129
XX
SCL_1
26
SCL1
5V_1
0
R1122
R1130
+5V
9V
27
0
R1112
CHIP
R1054
0
28
+9V
XX
ACT9V
29
+33V
R1127
0
33V
SCL1
30
GND
7
HP_MUTE
R1128
XX
31
HP-MUTE
32
GND
R1113
HP_R
XX
33
HP-A IN
HP_L
34
HP-L IN
AV4_R
AV4-R OUT
35
AV4_L
36
AV4-L OUT
37
GND
38
GND
DTV-R
R1103
R1099
39
DTV-R OUT
0
0
DTV-L
8
CHIP
CHIP
40
DTV-L OUT
TV-R
41
TV-R OUT
TV-L
42
TV-L OUT
ATV-R
ATV-R OUT
43
ATV-L
ATV-L OUT
44
MAIN_R
45
MAIN-R IN
MAIN_L
46
MAIN-L IN
JR1005
47
GND
XX
48
AGC MON
QSS
JR1004
49
QSS
9
XX
AM
50
AM
JR1003
CN1001
XX
R1104
50P
0
CHIP
JR1007
JR1006
0
0
CHIP
CHIP
10
AV_LINK,CV_TEXT
11
D
E
F
+5V_STBY
D1016
UDZS-5.6B
6V
D1015
D1NL20U-TR
3.3V_STBY
D1017
IC1012
D1NL20U-TR
BA033T
D1012
FL1010
UDZSTE-174.7B
OUT
VCC
EMI
GND
C1052
C1053
C1047
C1049
2200
0.1
470
10
B
6.3V
50V
10V
1
MS_SHUT_DOWN
2
GND
3
GND
R1118
GND
4
0
5
GND
6
GND
7
GND
TP4
8
GND
9
GND
TP5
10
GND
11
VP 100 IN
HP 100 IN
12
Y
TP1
13
GND
Y100
14
Y100 IN
B-Y
TP2
15
GND
U100
16
U100 IN
R-Y
TP3
17
GND
V100
18
V100 IN
19
GND
DPIC
TO B5 BOARD
D.PIC
20
CN4472
R1105XX
GND
21
DPIC
22
RESET 100
3.3V
SCL
23
SCL
A5V
FB1012
FB1011
0
SDA
0
24
SDA
R1116
2.5V
25
+2.5V
XX
26
+5v
R1248
R1117 0
0
27
5VA / 3.3V
+3.3V DIGITAL
R1107
R1247
XX
28
0
R1246
0
GND
29
CHIP
5V
R1245
XX
30
HP SUB /5VD
R1108
31
VPSUBOUT/Y_SUB
XX
1.8V
32
+1.8V
33
GND
R1088
34
R1090
0
VSUBOUT/C_SUB
R1109
XX
35
GND
XX
R1106 XX
R1092
36
USUB OUT/INT_COL
XX
GND
37
38
YSUBOUT/FB
TO J2 BOARD
R1091
R1089
39
GND
CN1001
0
XX
R1111
40
GND
XX
MAIN_Y
41
GND
MAIN_Y
42
YMAINOUT/B
R1110
43
GND
XX
MAIN_U
44
UMAINOUT/G
GND
45
MAIN_V
46
VMAINOUT/R
47
GND
V_PULSE
48
VPLSE_M/Y_M
49
GND
H_PULSE
50
HPLSE_M/C_M
CN7109
50P
G
H
I
J
VIDEO
Page 4
PROT
AM, QSS
Page 4
R1055
10k
AGC-DEF
AGC MON
DGCRY
Page 4
PWR
Attn
N-RESET
AV_PROT
OCP
AV_PROT
SCL
SDA
D1008
DAP202K
R1032
XX
DISABLE
HM[1]
R1138
0
HM[2]
XX
R1147
HM[3]
+5V_STBY
SCL
Q1009
HM[4]
XX
SCL-TV
R1148
XX
9V
SDA
R1031
XX
Q1010
AUDIO.RESET
XX
SDA-TV
CV_TEXT
R1139
0
FB1016
0uH
BLK_MB
EMM_ISO
B_MB
MAIN-RY
FB1006
G_MB
PROT
FB1019
R_MB
+5V_STBY
SCL1
SCL1
R1087
0
CHIP
SDA1
SDA1
R1086
FB1005
0
0uH
CHIP
VSYNC100
FB1020
0uH
HSYNC100
AC_ON/OFF
+5V_STBY
3.3V_STBY
AV_MUTE
- 40 -
K
L
M
AOPP
Page 3
Page 4
+5V_STBY
5V
2.5V
SCL-TV
SDA-TV
R1041
D1007
IC1008
10k
DAP202K
CXA1875AM-T4
I/O EXPANDER
R1043
100
+5V
R1049
OV PROT
100
R1044
100
SCL
2.5V PROT
SDA
PORT 2
R1045
100
SA2
R1050
DGCRY
100
100
R1046
SA1
PWR
R1047
0
SA0
ATTN
R1102 100
OC PROT
N-RESET
R1042
AUDIO PROT
R1039
GND
100
100
CHIP
CHIP
R1040
100
CHIP
CN1999
5P
RED
1
GND
2
SCL
R1048
0
SERVICE
3
SDA
R1093
0
4
DISABLE
D1009
UDZTE-5.6B
5
NC
D1011
UDZTE-5.6B
D1013
UDZS-6.2B
HM[1]
D1010
DAN202K
HM[2]
D1014
FB10090uH
UDZS-6.2B
1
Disable
2
GND
R1120
0
3
GND
4
KEY2
FB1203
0uH
5
MS_SHUT_DOWN
6
KEY1
FB1008
0uH
7
INT_COL
8
RESP.LED
9
AV LINK
HM[1]
10
SIRCS
FB1010 0uH
11
SCL0
HM[2]
12
GND
TO M2 BOARD
13
SDA0
FB1014
CN100
HM[4]
0uH
14
GND
HM[3]
15
RESET AUDIO
16
GND
+5V_STBY
17
VIDEO
R1082
R1119
18
GND
0
0
CHIP
19
RESET100
3.3V_STBY
FB1015
20
R1083
RSTIN
0uH
XX
21
TXTBLK
XX
R1094
22
TC LED
+5V_STBY
23
TXTB
FB1017
0uH
24
ST.BY
HM[3]
0uH
25
TXTG
FB1018
0uH
26
PROT
0uH
FB1007
0uH
27
TXTR
HM[4]
28
ACON/OFF
R1056 XX
CN7107
29
SCL_DIG
R1084
30
GND
HP_R
0UH
1
31
SDA_DIG
GND (HP)
2
R1085
32
GND
HP_L
0UH
3
33
VP100
5V
AV4_C
34
+5V
1
35
HP100
GND
2
2.2k
36
AV4_Y
R1063
+5V
3
37
GND
0
R1080
GND
4
38
+5V/+3.3V STBY
AV4_L
FB1204
AV4 LEFT IN
5
0uH
39
AUDIO MUTE
GND
6
AV4_R
40
NC
7
CN1000
CN7108
40P
XX
AV_MUTE
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
~ A Board Schematic [ Interface ] Page 2/4~
N
O
CN1703
XX
1
KEY2/SCL 3.3
TO FRONT
2
GND (KEY)
CONTROL
3
KEY1/SDA 3.3
CN1706
8P
WHT
1
KEY2/SCL 3.3
2
GND(KEY)
3
KEY1/SDA 3.3
TO H BOARD
4
STDYBY +5V/3.3V
CN302
SIRCS/AV_INT
5
6
RESP LED/RESET
AVLINK
7
STDBY 5V
8
CN1702
XX
1
GND
2
STBY +5V
3
SIRCS
LED
4
CN1701
11P
WHT
HEADPHONE R OUT
1
2
GND (HP)
HEADPHONE L OUT
3
4
GND (HP)
5
AV4 CHROMA IN
TO H2 BOARD
CN807
6
GND
7
AV3 LUMINANCE IN
8
GND
9
AV4 LEFT IN
10
GND
11
AV4 RIGHT IN
- Quick Links:
- Service Manual
Hide quick links:
Advertisement
Table of Contents
