VITEK VT-5009 Schematic
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Ｂａｄｇｅ （Ｏｐｔｉｏｎａｌ）
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ＤＥＳＣＲＩＰＴＩＯＮ ＱＴＹ ＩＴＥＭ ＤＥＳＣＲＩＰＴＩＯＮ ＱＴＹ
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１
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１
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１
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２
１
２
黄志扬
１：１ｍｍ１
5
4
3
2
1
L+5V
R
G
B
Vsync
SCH1
R
B
G
L+5V
D D
Vsync
SYNC
VOL
CLK
FSC
RESET
MON
AV1
AV2
MCU5V
4.5MHz
VT
BU
BH
BL
STB
SCL
SDA
OSD_R
OSD_G
OSD_B
BLANK
BM
HD
C+12V
C C
CC+12V
+5V
VD
+12V
RV
TV SIGNAL
+5V
C+12V
CC+12V
+12V
SYNC
VOL
CLK
FSC
RESET
MON
AV1
AV2
MCU5V
4.5MHz
VT
BU
BH
BL
STB
SCL
SDA
OSD_R
OSD_G
OSD_B
BLANK
BM
HD
VD
RV
SCH2
MCU
VOL
CLK
FSC
RESET
MON
AV1
AV2
4.5MHz
VT
BU
BH
BL
STB
SCL
SDA
OSD_R
OSD_G
OSD_B
BLANK
BM
HD
VD
50/60MCU5V
ASPE1
ASPE2
L/R
U/D
LCD_ON/OFF
50/60
L/R
U/D
ASPE1
ASPE2
LCD_ON/OFF
+33V
RV
+33V
SCH3
LCD
50/60
L/R
U/D
ASPE1
ASPE2
SYNC
Vsync
B
R
G
L+5V
-16V
+5V
+13V
7.5V
+13V
+7.5V
+5V
-16V
L1
68UH/1A
+8V
R2
+
C1
100uF/16V
R1
1.5K
1.5K
Q2
2SC4672
Q1
2SC4672
J11
CON1
C3
0.22uF/100V
J2
CON1
T1
4
3
2
5
1
S9870SP
J3
CON1
1
1
C2
12PF/3KV
C4
8
12PF/3KV
7
J1
1
TO LCD
2
3
BHR-04VS-1
6
J4
CON1
1
J5
CON1
J6
J7
CON1
CON1
1
1
1
1
J24
J48
CON1
J68
CON1
J8
CON1
J28
CON1
1
1
J62
CON1
J82
CON1
J22
CON1
J42
CON1
1
1
J23
CON1
1
1
J43
CON1
1
1
J63
CON1
1
J83
CON1
1
J14
J13
J51
CON1
J71
CON1
J31
CON1
1
1
J12
CON1
1
J32
CON1
1
1
J52
CON1
1
J72
CON1
1
J53
CON1
J73
CON1
CON1
J33
CON1
1
1
CON1
1
1
J34
CON1
1
1
J54
CON1
1
J74
CON1
1
J10
J9
CON1
CON1
1
1
J49
CON1
J69
CON1
J29
CON1
1
1
1
1
J30
CON1
1
1
J50
CON1
1
J70
CON1
1
J55
CON1
J75
CON1
J15
CON1
J35
CON1
1
1
J16
J17
CON1
CON1
1
J36
CON1
1
1
1
J37
CON1
1
1
J57
CON1
1
J77
CON1
1
1
1
J56
CON1
J76
CON1
J58
CON1
J78
CON1
J18
CON1
J38
CON1
1
1
J19
CON1
1
1
J39
CON1
1
1
J59
CON1
1
J79
CON1
1
J60
CON1
J80
CON1
J20
CON1
J40
CON1
1
1
J21
CON1
1
1
J41
CON1
1
1
J61
CON1
1
J81
CON1
1
J64
CON1
J84
CON1
CON1
J44
CON1
1
1
J25
J26
J66
CON1
J86
CON1
CON1
J46
CON1
1
1
J27
CON1
1
1
J47
CON1
1
1
J67
CON1
1
J87
CON1
1
CON1
1
1
J45
CON1
1
1
J65
CON1
1
J85
CON1
1
J89
J88
CON1
CON1
1
1
BAT_OUT
D17
BAT+1
1N5819
AA
1
POW+1
1
AA
BAT-1
1
AA
PGND1
1
B B
AA
JP1
D2
1N5819
1
BAT-2
AA
3
2
1
FB1
600R/1A
DC-004
F1
RUE090
C12
470uF/25V
R15
STB
10K
POW+2
1
BATBAT-3
1
BATPGND2
1
BAT-
+12V
+
2SC1815
Q6
2 3
R6
510R
Q3
2SB1203
C+12V CC+12V
1
R12
4.7K
LCD_ON/OFF
Q4
AO3411
R7
100
Q7
2SC1815
R13
1K
C20
0.47uF
R17
39K
R19
39K
16151413121110
REF
CTRTIN1+
1234567
SCP
R4
220K
C18
0.47uF
470PF
IN+
R3
33K
R8
18K
R9
33K
R14
470R
R16
C25
470R
R5
120R
470PF
U1
6
C1
E1
5 2
B1 B2
4
E2
C2
C17
1
3
XN4601
9
DTC2
DTC1
OUT2
OUT1
U2
VCC
TL1451AC
GND
8
R22
560R
IN2-
IN1-
FB2
FB1
FBK1 FBK2
C31
470PF
A A
R27
39K
R24
10K
C35
0.47uF
C32
470PF
C33
470PF
R28
39K
R25
33K
U3
6
C1
E1
5 2
B1 B2
4
E2
C2
R29
33K
XN4601
FB2
600R/1A
2SB1188
1
3
C8
1uF
3
2
L3
100UH/1A
+
Q5
1
FBK2
C7
47uF/16V
+8V
R10
51KF
R16A1
1KF
FB3
600R/1A
100uF/16V
+
C19
open
R11
open
C10
0.01uF
EI14.5-30534
T2
10
6
1
2
3
4
5
C9
8
D5
R23
120R
1N5819
R18
8.2KF
FBK1
Q8
3055L-108
C34
0.01uF
D1
1SS187
100pF
C11
D3
1N5819
C5
0.01uF
D4
1SS187
D6
1SS187
D7
1SS311
R21
47K
R26
15K
+
C29
10uF/50V
C15
0.01uF
C22
0.01uF
C27
0.01uF
1K
R20
+
-16V
C6
47uF/25V
+
C13
100uF/16V
+
100uH/0.3A
L2
100uH/0.3A
L4
C21
100uF/16V
+
C26
47uF/25V
D8
upc574
J90
CON1
1
C14
100uF/10V
C23
100uF/10V
J91
CON1
C30
0.01uF
1
+
+
J92
CON1
+
1
+5V
C16
0.01uF
+7.5V
C24
0.01uF
C28
10uF/50V
J93
CON1
+13V
1
+33V
J94
CON1
1
J108
CON1
J99
CON1
J100
J101
CON1
J102
CON1
1
1
CON1
1
1
J110
CON1
J97
CON1
1
J98
CON1
1
1
J95
J96
CON1
CON1
1
1
J109
CON1
1
1
BAT_OUT
D18
22D03
TO BAT+1
L16
100uH/0.5A
D15
1N5819
C196
1500PF
U19
1
SW_C
CLR
2
SW_E
SEN
3
TM
VCC
4 5
GND CP
R205
8
7
6
R206
180
0.25
MC34063
J103
CON1
BAT+1
TO BAT
1
54 6
J104
CON1
1
1
BLED2
AA
123
+
J105
CON1
1
C197
100uF/25V
R207
18K
R208
1.5K
1
BLED2
AA
1
J106
CON1
F2
D16
1
060/30V
R210
10R/1W
1N5819
R209
10R/1W
1
1
LED2
D3
J107
CON1
BLED2
AA
BLED1
AA
1
R30
18K
5
R31
33K
4
3
2
Title
<Title>
Size Document Number Rev
<Doc> <RevCode>
A2
Date: Sheet of
1
1 4Thursday, April 14, 2005
5
L5
CE24-3R0J
C37
0.1uF
L7
+5V
CE24-3R0J
C42
10uF/10V
R51
24K
PDP
R54
47K
+
C41
0.1uF
D D
C59
0.1uF
L+5V
D9
31
1SS187
R53
3.6K
R57
R58
68K
4.7K
C C
-16V
D11
+13V
MA8051-M
R63
10K
-10.9V
C76
0.1uF
R68
1K
R70
3.3K
C38
0.1uF
C43
1uF
LL+5V
+
C36
10uF/10V
L+5V
C45
0.01uF
560PF
U5
C47
C46
0.01uF
0.01uF
1M
C57
0.1uF
C60
0.1uF
R55
4
10K
C68
0.1uF
D10
2
1 3
C44
0.1uF
R40
C55
R43
L+5V
68K
52
3
-IN
1
+IN
NJM2107F
VCO
MA8051-M
C48
0.01uF
L8
CE24-3R0J
MA335
VR1
2K
D12
C77
0.1uF
L+5V
C64
10PF
R48
2.7K
C62
R62
2.7K
1000PF
R59
3.3K
L+5V
R60
330R
R64
8.2K
R49
100R
C61
220PF
Q9
2SC2411
C67
330PF
-16V
L+13V
C80
1uF
OSCI
4
7.5V
VC_R
VB_G
VA_B
3
+
C49
0.1uF
R38
10K
C50
0.1uF
R39
100R
C53
1uF
R41
100R
R50
100R
C65
47uF/10V
R32
R33
8.2K
33K
R37
10K
23
24
NC
NC
25
NC
26
GAM-0
27
GAM-1
28
GND
29
R OUT
30
R DC
31
GND
32
C69
1uF
C71
0.1uF
C74
0.1uF
C78
0.1uF
G OUT
33
G DC
34
VCC2
35
B OUT
36
NC
B DC
SB B
3738394041424344454647
R66
R65
27K
20K
C79
0.1uF
+5VA
C56
1uF
C66
0.1uF
R34
1K
12K
R36
16
17
18
19
20
21
22
NC
NC
NC
HF.O
SW
REG
U4
IR3Y26A
SB R
RGB A
BRI
SC B
SC RNCCOM
C72
C73
0.1uF
0.1uF
FRPT
R67
33K
R69
18K
R35
10K
HF.I
+5VA
15
R IN2
FRP
FRPV
14
G IN
SYNC SEP
SYNC IN
HD
2
13
B IN2
NC
NC
VCC1
R IN1
G IN1
GND
B IN1
CON
COM-B
COM-A
NC
SYNC OUT
48
1
L6
C40
0.1uF
+
+5VA
100uH/0.3A
C39
100uF/6.3V
+5V
12
11
10
C58
0.1uF
C63
0.01uF
C51
0.1uF
C52
0.1uF
C54
0.1uF
R
G
+5VA
R42 OPEN
R44
OPEN
R52
OPEN
R56
OPEN
C70
+5VA
Vsync
R451KR46
1K
B
R47
1K
1uF
9
8
7
6
5
COM
4
3
2
1
R61
560R
C75
470pF
-16V
-9.5V
C89
0.1uF
R74
560R
L+5V
R77 560R
R78
560R
R71
22K
R72
33K
C82
10UF/16V
VCOM
B B
HD
R76
R81
560R
NTP
560R
C94
OPEN
SYNC
FRPT
SYNC
FRPV
50/60
U7A
L/R
U/D
A A
1 2
4069
OPEN
C98
OPENC97
L+5V
R83
560R
0.01uF
C100
0.01uF
C95
U7B
ASPE2
ASPE1
3 4
4069
U7C
5 6
4069
5
H-POS
C81
VR2
82PF
13
100K
71
BLKO
MDW
2
70
BLKI
MDN
L+5V
67
68
69
DVTC
VCCD
GND
PWM
MON_F
VSWC
66
ABC
VSWI
C102
0.1uF
L+5V
65
LOWI
VSWO
C84
0.1uF
62
63
64
TCLK
GND
GND
GPS
VCC
GND
PCP
SPOI
C103
100PF
C83
0.1uF
72
U6A
SYNO
VIN
1
CVOP/DVOP
2
MON_E
3
HSY
4
VCC
5
FRPT
6
SYNI
7
FRPV
8
GND
9
VCS
10
NTPC
11
VSY
12
HRVC
13
VRVC
14
CLKC
15
MDS
16
GND
17
EXCL
18
GND
1920212223242526272829303132333435
CLS
SPS
VR
MOD1
58
59
60
61
VR
SPS
MOD1
CLOC
MOD2
HR
4
C85
0.1uF
CE24-150J
COM
L9
C92
33PF
10uF/10V
R73
220K
C93
33PF
C104
L+5V
L+5V
-16VA
1
VGH
2
OPEN1
3
OPEN2
4
MOD2
5
MOD1
6
VR
7
SPS
8
CLS
9
VCC
10
OPEN3
11
OPEN4
12
VSS
13
OPEN5
14
OPEN6
15
VGL
16
COM
17
GND1
18
CLD
19
SPIO
20
CTR
21
PS
22
HR
23
SPOI
24
GND2
25
VA(B)
26
VG(G)
27
VC(R)
28
GND3
29
VSHA1
30
VSHA2
31
VSHL2
32
VSHL1
FPC-0.5S-32P
CN1
L+13VA
MOD2A
MOD1A
VRA
SPSA
CLSA
-10.9VA
-9.5VA
VCOMA
CLDA
SPIOA
CTRA
PSA
HRA
SPOIA
VA_BA
VB_GA
VC_RA
LL+5VA
L+5VA
Title
<Title>
Size Document Number Rev
<Doc> <RevCode>
A2
Date: Sheet of
1
R75
560K
C91
1000PF
CLD
D13
3
MA716
C99
0.1uF
LL+5V
C107
0.1uF
L+13V
MOD2
MOD1
VR
SPS
CLS
-10.9V
-9.5V
VCOM
CLD
SPIO
CTR
PS
HR
SPOI
VA_B
VB_G
VC_R
C108
0.1uF
-16V
L+5V
R80
560K
L+5V
+
1 2
VCOM
C105
0.01uF
R85
L+5V
22K
C106
0.1uF
R84
10K
-10.9V
U8 NJM3414AM
R86
R87
10K
R89
20K
20K
1
O/P A
2
R88
10K
-I/P A
3
+I/P A
4 5
GND +I/P B
R90
10K
3
O/P B
-I/P B
L+5V
8
V+
7
6
C101
10uF/16V
+
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
C109
0.1uF
1
2
3
4
5
6
7
8
9
CN3
VGH
OPEN1
OPEN2
MOD2
MOD1
VR
SPS
CLS
VCC
OPEN3
OPEN4
VSS
OPEN5
OPEN6
VGL
COM
GND1
CLD
SPIO
CTR
PS
HR
SPOI
GND2
VA(B)
VG(G)
VC(R)
GND3
VSHA1
VSHA2
VSHL2
VSHL1
FPC-0.5S-32P
2
L+13VA
MOD2A
MOD1A
VRA
SPSA
CLSA
-10.9VA
-9.5VA
VCOMA
CLDA
SPIOA
CTRA
PSA
HRA
SPOIA
VA_BA
VB_GA
VC_RA
L+5VA
LL+5VA
-16VA
CN2
1
VGH
2
OPEN1
3
OPEN2
4
MOD2
5
MOD1
6
VR
7
SPS
8
CLS
9
VCC
10
OPEN3
11
OPEN4
12
VSS
13
OPEN5
14
OPEN6
15
VGL
16
COM
17
GND1
18
CLD
19
SPIO
20
CTR
21
PS
22
HR
23
SPOI
24
GND2
25
VA(B)
26
VG(G)
27
VC(R)
28
GND3
29
VSHA1
30
VSHA2
31
VSHL2
32
VSHL1
FPC-0.5S-32P
2 4Wednesday, April 13, 2005
57
CLS
IHR
MON_D
PS
MON_C
MON_B
MON_A
TEST
CTR
36
TST2
RESV
RESH
TST1
CLD
GND
VCC
OSCI
OSCO
GND
GND
MON
GND
PDP
SPIO
0.1uF
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
MOD2
SPOI
CTR
C87
0.1uF
C88
0.1uF
C90
0.22uF
L+5V
R79
390R
L+5V
OSCI
R82
1M
C96
0.1uF
PDP
SPIO
PS
HR
C86
55
56
5
4
3
2
1
+33V
R91
22K
VT
R94
C112
D D
0.22uF/50V
22K
R95
C113
0.22uF/50V
22K
C114
100pF
Q10
PH2369
BM
Q11
2SA1015
Q12
2SA1015
Q13
2SA1015
BL
BH
C C
BU
U11
PIC-1018SMD
R115
2.2K
P+1
B B
TC-00302A
P-1
TC-00302A
R116
820R
V+1
TC-00302A
R117
560R
V-1
TC-00302A
TC-00302A
10K
R96
R104
33K
Vcc
GND
OUT
R118
330R
MENU1
470pF
C110
R107
33K
3
2
1
4.7K
R97
C115
100pF
LCD_ON/OFF
R108
33K
MCU5V
IR
IR5V
R119
220R
TV/AV1
TC-00302A
VOL
R109
33K
JP2
PH4
JP3
PH4
220R
POWER1
TC-00302A
C116
1uF
12345
STB
12345
R100
10K
R105
47K
R106
10K
RV
R110 22K
R111 22K
R112 22K
6
L/R
U/D
6
4.5MHz
ASPE1
ASPE2
STB
R125
1K
MCU5V
22K
R101 1K
R102
R113 1K
R120
LCD_ON/OFF
R114
22K
R103
10K
U10
1
EEP SCL
2
VT
3
ID OUT
4
VOL(PWM)
5
REAR VIEW
6
SECAM L
7
VL
8
VH
9
U
10
KEY
11
L/R
12
U/D
13
4.5MHz OUT
14
A MUTE
15
ASPE1
16
ASPE2
17
POWER
18
GND
19
GND
20
NC
21 22
Vcc Vcc
VJC SCL
EEP SDA
VCJ SDA
MONITOR
CLK CONT
50/60 OUT
S-VHS IN
FACTORY ADJ
H SYNC
V SYNC
BLANK
AV1
AV2
FSC IN
RESET
IR IN
FILT
R92
10K
B
G
R
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
MCU5V
R93
10K
R122 10K
R124 10K
C111
0.01uF
8
Vcc
7
WP
6
SCL
U9
24C16N-10SC
C117
0.01uF
1
A0
2
A1
3
A2
GNDSDA
45
R121 100R
IR
MCU5V
R98
10K
R123
22K
MCU5V
R99
10K
SCL
SDA
MON
HD
VD
OSD_B
OSD_G
OSD_R
BLANK
CLK
AV1
AV2
50/60
FSC
RESET
MCU5V
R196
MCU5V
Q20
2SA1015
MCU5V
M37160
C120
100uF/16V
C118
470pF
0.01uF
+
C121
C119
0.01uF
R127
1K
R126
22K
R213
2K
47K
Q19
2SA1015
R212
1
LED1
3
MCU5V
R211
A A
2K
47K
2
2LED
Title
<Title>
Size Document Number Rev
<Doc> <RevCode>
A4
5
4
3
2
Date: Sheet of
3 4Wednesday, April 13, 2005
1
5
R128
18K
R130
VOL
AUDIO_R
D D
C+12V
C+12V
R134
7R5
AUDIO_L
ANT-G2
AA
ST-3507-02
JP4
C C
B B
A A
USB
JP5
4
4
3
3
2
2
1
1
5
6
5
6
C131
0.01uF
R136
39K
1
VIN1
RS1131
2
ARIN1
RS1131
2
ALIN1
RS1131
2
ANTOUT1
AA
1
2
3
4
5
BM
100uF/6.3V
+5V
BL
BH
BU
VT
1
1
1
33K
R132
39K R133
+12VB
R141
10K
ANT-IN1
AA
1
1
TU-GND1
AA
D20
HVM14
TV_ANTC
T3
8
AGC
RF
VT
BU
9
BH
GND
10
BL
GND
11
BM
GND
12
IF
GND
TUNER
C165
0.01uF
+
C167
L13
100uH/0.3A
+5V
R173
75R
R176
10K
R178
20K
R184
10K
R185
20K
RV1
1
ANT2
V1
1
ANT2
LIN2
1
ANT2
RIN2
1
ANT2
GND1
1
ANT2
5
10K
C132
220uF/16V
+
C135
1uF
ANT-G1
AA
1
1
1
2
3
4
5
6
7
C181
10uF/16V
+
C182
1uF
C185
1uF
TU-ANT1
AA
BM
AV1_AR
AV1_AL
RV2
ANT2
V2
ANT2
LIN3
ANT2
RIN3
ANT2
GND2
ANT2
GND3
ANT2
C124
1uF
1
2200pF
AV1_V
C151
1
1
1
1
1
1
L15
C148
2200PF
U13
1
1
16
2
2
15
3
3
14
4
4
13
5
5
12
6
6
11
7
7
10
8 9
8 9
C137
0.01uF
TDA7053A
AV1
R215
10K
C155
C157
0.01uF
0.01uF
C159
0.01uF
R158
22R
C172
24pF
C173
100pF
1801A
Q17
2SC1815
AV2_V
AV1_V
R177
OPEN
R189 10K
R190 10K
16
15
14
13
12
11
10
D19
HVM14
C154
0.01uF
C174
39pF
R170
15K
AV1
AV2
R187
15K
0.01uF
C162
0.01uF
C166
R160
100R
R172
100K
R192
10K
AV1
+
10
11
15
14
12
R217
47K
FM_ANT
R214
1K
10uF/16V
BM
U17
9
6
4
2
5
1
4052
R193
75R
B
A
INH
Y3
Y2
Y1
Y0
X3
X2
X1
X0
C152
R155
6.8K
R165
2.2K
4.7K
R188
R194
20K
RL-
4.5MHz
20K
R+A
L+A
TO SPEAKER
R216
1K
R156
680R
Q16
2SC9018
R166
22R
3
Y
13
X
C194
1uF
R195
20K
FM_5V
BM
R+
L+
C126
10uF/16V
1
2
3
4
J112
PH4
Q21
2SC1815
R152
150R
L12
1uH
C164
0.01uF
EXT_VIN
C193
10uF/16V
+
C195
1uF
+
R218
C122
AV2_V
AV2_AL
AV2_AR
4
R129
390R
10uF/16V
4
5
6
7
8
9
+
R135
390R
1K
TV_ANTC
C156
0.47uF
R174 0RJ
R181 OPEN
R182 OPEN
R179 0RJ
R175 OPEN
R219 OPEN
4
1
2
3
FM_AR
AV2_AR
AV1_AR
FM_AL
AV2_AL
AV1_AL
TV_A
RV
Q18
J111
ST-35062-02
C153
22pF
R151
22R
Z2
CF2955M
ININGND
12345
AV1
AV2
2SC1815
3
+
C127
VCC8V
C136
180pF
L11
43
44
HI VCC
DDS FILTER
VRAMP OUT
VRAMP FB
C170
1uF
R167
6.8K
C191
0.1uF
C123
47uF/16V
+
C125
0.01uF
+9V
47uF/16V
TV_VIN
33uH
41
42
VREG VCC
U14
M61260FP
AFC FILTER
C171
0.01uF
C179
0.01uF
1uF
40
TV/Y IN
V/C VCC
DEF GND
LOGIL GND
R163
10K
FM_5V
C189
+
100uF/6.3V
+5V
L10
100uH/0.3A
C128
100uF/6.3V
+
C130
0.01uF
VCC+5V
EXT_VIN
38
39
EXT/C IN
DRIVER VCC
FBP IN
H OUT
22K
R164
VCC8V
C177
100uF/16V
SDA
SCL
D14
1SS187
C139
6.8K
R137
0.01uF
1uF
C142
34
35
36
37
X-TAL
V/C GND
DRIVER GND
MCU RESET
CHROMA APC FILTER
P-ON CONT
FAST BLANK
INV FBP OUT
MONITOR OUT
DEF VCC
VDD DECOUPLING
R OUT
G OUT
+
C180
0.01uF
R180
100
R183
100
C186
100PF
R186
C190
10uF/6.3V
C140
16pF
Z1
4.433619MHz-16
33
ABCL
MCU5.7V
Y SW OUT
FSC OUT
SCL
SDA
CLK CONT
R IN
G IN
B IN
VP OUT
HVCO FB
B OUT
16
R168
2.2K
R169
2.2K
R171
2.2K
FM_ANT
C187
100PF
0R
+
VCC+5V
R140
47K
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
R157
1M
VCC+5VA
U16
1
ANT
2
GND1
3
DATA
4
CLOCK
5 6
VCC GND2
GNT-100
C192
0.1uF
U12
+12V
78L09
3 1
VIN VOUT
R131
33R
GND
2
C129
0.01uF
TV_A
C160
1uF
R148
1.5KR149
TV_VIN
OUT
C138
100uF/16V
C145
0.1uF
R144
10K
C158
0.01uF
C161
0.22uF
OUT
R150
680R
VCC8V
+
R143
2.2K
C149
2200pF
C150
0.1uF
Q14
KTC4376
+
C146
1uF
CC+12V
C133
0.22uF
R139
C141
10R
47uF/16V C143
48
0.22uF
C134
45
46
47
8.7V
49
5.7V
50
SIF FB
CARRIER OUT
SECAM PLL FB
AFT OUT
VIF VCC
SECAM BELL FB
SIF VCC
51
AUDIO OUT
52
AUDIO BYPASS
53
EXT AUDIO IN
54
FM DIRECT OUT
55
VIF VCO FB
56
SIF GND
57
VIF GND
58
VIF VIDEO OUT
59
RF AGC OUT
60
VIF APC FILTER
61
PAL IDENT FILTER
62
IF AGC FILTER
63
VIF IN1
64
VIF IN2
VRAMP CAP
123456789101112131415
C168
1uF
C169
0.01uF
100uH/0.3A
L14
+5V
C175
220uF/6.3V
+
U15
9
B
10
A
6
INH
4
Y3
2
Y2
5
Y1
1
Y0
11
X3
15
X2
14
X1
12
X0
Y
X
VCC+5VA
C178
0.01uF
3
13
+
AUDIO_R
AUDIO_L
C176
100uF/6.3V
4052
U18
C+12V
C188
+
RV
100uF/16V
78L05
3 1
VIN VOUT
GND
B
G
R
GND4
GND3
R145
1K
R147
470R
C163
0.01uF
R159
2.2K
R
L
2
+12V
C144
10uF/16V
10
9
8
7
+
C147
0.01uF
R146
470R
C183
1uF
C184
1uF
R138
47R
Vsync
R161
10K
Q15
KTC4376
R142
10K
FM_AR
FM_AL
R162
2.2K
Vsync
RESET
FSC
STB
SCL
SDA
CLK
BLANK
OSD_R
OSD_G
OSD_B
MON
MCU5V
R153
47K
R154
47K
VD
HD
1
U7D
9 8
4069
L+5V
SYNC
2
Title
<Title>
Size Document Number Rev
<Doc> <RevCode>
C
3
2
Date: Sheet of
1
4 4Wednesday, April 13, 2005
LCD-71114KL Service inspection Manual Page 1 of 5
TV.
Start
(1) Faulted Function: Not Remote Control
Yes
Check the battery power of
remote control and remote
control has been damaged or not
Not
Yes
May be too far away TV
or something in front of
Replace the new battery and
repair the remote control
Closed to TV and
Not
remove front of TV
someone Check the Remote sensor and cable
junction (JP3) plug +5V Power Line
Not
Yes
Not
Yes
Connection to
–Vss (Ground)
NO
Check Remote Sensor (2)
plug of remote control has
been –Vss (Ground)
correction or not
Check the Remote Sensor
J111 (Pin2) remote signal
has ot
Check power supply circuitry
Yes
Check IC U10 (Pin-24) signal
input or not and near
components of circuitry
Remote sensor
damaged
LCD-71114KL Service inspection Manual Page 2 of 5
Check IC U1
3 (
Pin-9 &
button
(2) Faulted Function：Not Audio Sound (Screen Picture is normal)
Checking Volume Level in Muting (Silent) Mode as below inspected process:
Start
YES
NO
Check if the main unit
is in MUTE Mode
Press the MUTE
of remote control
YES
Pin-16) which have audio
output or not
NO
NO
Check IC U13 (Pin-5)
+12V power supply or
not
Check Speaker, Soldering
or J111 Cable may be
damaged
YES
Check power
supply circuitry
Check IC U13 (Pin-4
& Pin-6) audio signal
input or not
NO
YES
Check IC U12 near the
components of circuitry
YES
Check IC U15(3\13)
pin has audio signal
output or not
NO
Check R132 and R136
and so on
Check IC U14 (Pin-50 &
Pin-54) near the components
of circuitry
LCD-71114KL Service inspection Manual Page 3 of 5
Start
(3) Faulted Function: Not Colour on Screen
Check the image colour system setting that
match location TV system.
Not
Yes
Yes
Check the MENU Setting
if the color is set to
minimum level
Ｓｅｔ ｔｈｅ ｃｏｌｏｕｒ ｓｙｓｔｅｍ
ｃｏｒｒｅｃｔｉｏｎ ｓｙｓｔｅｍ．
Not
Set the colour the
normal level.
No
Check if the Oscillator Crystal
Z1 has wave out or not
Yes
Replace the new crystal
near components
Check IC U14 and relative
components of circuitry
LCD-71114KL Service inspection Manual Page 4 of 5
(4) Faulted Function: Not Picture on screen and audio Sound is Normal.
Not
Check the video input
TV/AV1 is active or not.
Yes
Not
Check the brightness & Contrast be set
normal level and the background is
bright screen.
Press TV/AV button
to select source signal
Not YES
Check the power of the
back-lighting parts or
not.
Yes
May be damaged
Not
fluorescent tube
Yes
Replace new
components Q1/Q2
or check near
components of
circuitry.
Check control buttons is
active and display OSD on
screen.
Check the U10
(Pin-10) and control
button key.
Check U14 (Pin-13 to 15)
have R, G, B, wave output
Not
Yes
Check IC U14 and
near components of
circuitry.
Check the connector CN3 and
near components of circuitry
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