FUNAI LCD-A2006, Руководство по обслуживанию

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7-4
L4620BLLCD
LCD Block Diagram
LCD MAIN CB
A UNIT
VIDEO SIGNAL
IC301
(LCD DRIVE / LCD SIGNAL PR
OCESS)
TO IF/VIDEO BLOCK DIA
GRAM
CN103A
CN103B
182 181 180 179 175 174 173
QDR
VHC
QDR
VVB
QDR
VHB
QDR
VHA/QDE
QDR
VV
A
QDR
VHE
QCLKL
LCD MODULE
VREF(4)
28
VREF(0)
32
VREF(1)
31
VREF(2)
30
VREF(3)
29
VREF(7)
24
VREF(5)
26
VREF(6)
25
VREF(8)
23
VREF(9)
22
104 105 103
VCOM
35
VCOM
36
P
A
NEL+10.8V
CN311
169 168 167 166 165 161 160 159 158 155 154 153 152 151 150 146 145
LCD MODULE
TP322 TP323 TP318 TP319 TP320 TP321
143 142 141 140 139 135 134 133 132 131 130 129 128 127 123 122 121 120 119 116 115 114 113 106
TP316 TP317 TP312 TP313 TP314 TP315
CN312
OR(3)
31
OR(4)
30
OR(5)
29
OR(0)
34
OR(1)
33
OR(2)
32
OG(3)
24
OG(4)
23
OG(5)
22
OG(0)
27
OG(1)
26
OG(2)
25
OB(3)
17
OB(4)
16
OB(5)
15
OB(0)
20
OB(1)
19
OB(2)
18
ER(3)
3 ER(4)
2 ER(5)
1 ER(0)
6 ER(1)
5 ER(2)
4 EG(3)
47
EG(4)
46
EG(5)
45
EG(0)
50
EG(1)
49
EG(2)
48
EB(3)
40
EB(4)
39
EB(5)
38
EB(0)
43
EB(1)
42
EB(2)
41
CVBS1
8
CVBS2
9
S-VIDEO-C
5
S-VIDEO-Y
6
VIDEO-B
3
VIDEO-R
1
VIDEO-G
2
VCOM
3
VCOM
4
CN312
84
85
X301 54MHz
XIN
XOUT
CLKV
14
VCOM CONTR
OL
Q971 IC981
91 95 96 98
STV1
13
LP
44
CN311
POL
43
HMS1-E
7
CLKH
10
STH1
42
HMS1-O
13
WF11
WF10
WF12
WF9
VIDEO SIGNAL PR
OCESS
NTSC/P
AL
SEP
ARA
TION
B
URST
LOCKED
OUTPUT CONTR
OL
CHR
OMA
DECODER
SECAM PDM
RCO
P
ANEL
SIGNAL PR
OCESS
TV SIGNAL PR
OCESS
INPUT CONTR
OL
CVBS Y C
B
G
R
A/D A/D A/D A/D
33 44 13 42 40 21 31
QDR
VHC
97
WF14
WF13
B G R B G R
R905
R907 R901
R904
R902
R997
VCOM
TO SYSTEM CONTR
OL
BLOCK DIA
GRAM