Toshiba SD-KP19SN, Service Manual

Page: 16 / 26

A
B
C
D
E
G
2
F
1 3 4 5 6 7 8 9 10
MAIN BOARD CIRCUIT DIAGRAM
(TFT DISPLAY CIRCUIT DIAGRAM)
IOR
IOG
IOB
IOB
VR VB
IOR
IOG
+5V
VG
STH1
CINT
+5V
VDD25
+5V
BIAS
BIAS
AVDD33
+5V
VDD25
AVDD33
DV33
AVDD33
VDD33
VDD25
BIAS
DV33
BIAS
VDD33
AVDD33
+5V
+5V
I2CCLK(MC)
VB
TFTREST
I2CDAT(MD)
VIDEO-IN
R+
HV
Y/V
+17V#
L-
R-
VR
+P5V
+17V#
C/U
TFT-13V
TFT ON/OFF
VG
BRI
L+
+P5V
+5V
C188
0.1uF
R123 47K
1 2
L36
601H
JS5
SM
20B-SURS
-T
F
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1 21
22
R218 47K
1 2
C199 0.1uF
C225
1uF
VD41
2SC2412
1
2
3
VD10
STZ6.2N
CB45
0.1uF
R151 47K
1 2
CB46
0.1uF
C72
100N
C104
390P
R181
10K
R224
100
C252
470N
C190
1uF
C89
680P
L3
601H
R172 33
1 2
CB49
0.1uF
R27
18
R217
10K
1
2
CB37
0.1uF
R193
1M
1 2
CB47
0.1uF
L35
601H
C186
47U/16V CB55
0.1uF
VD20
2SC2412
1
2
3
CB50
0.1uF
R195
39K
R235 27
R191
75
C20
0.1uF
R203
1M
R202
1M
L43 2.7UH
+
C222
10U/16V
CB35
0.1uF
R126
51
C223
0.1uF
R241
56
CB61
0.1uF
C85
100pF
R216
75
L44
601H
CB52
0.1uF
R200
220
CB54
0.1uF
R160
33
L9
100UH
+
C219
10U/16V
C257
100P
C221
0.1uF
CB60
0.1uF
CB33
0.1uF
VD36
2SC2412
1
2
3
VR2
50K
R178
39K
R234
47
+
C216
10U/16V
R236
75
VD35
RB060L
C247
680P
R185
1M
CB53
0.1uF
L42
601H
RN7
33*4
1 2
3 4
5 6
7 8
R184
51
C249
330P
RN1
33*4
1 2
3 4
5 6
7 8
C255
100U/16V
R201
51
N17
UPD 5500
AC0/ACB0
6
AC1/ACB1
5
AC2/ACB2
4
CVBS0/AY0
14
CVBS1/AY1
13
CVBS2/AY2
12
CVBS3/ACR0
22
CVBS4/ACR1
21
CVBS5/ACR2
20
CBMID
3
CRMID
19
CGMID
11
IICA3/SDA
29
SCANB/SCL
30
VDT0
81
VDT1
82
VDT2
83
VDT3
84
VDT4
85
VDT5
86
VDT6
87
VDT7
88
VCLK
90
XTALI
92
XTALO
93
XCLK2MC
36
RSTB
28
CPUINT/SCANST
31
PWM
34
VBIVAL
ID
/Xb
us
R
D
32
FIEL
D
/Xb
us
W
R
33
RL
38
UD
39
STV1
40
STV2
41
GOE
42
GCLK
43
LP/OEH
44
POL/VCOM/HSO
45
STH1/HSO
49
STH2/DE
50
CPH1/LLCK1
52
CPH2/LLCK2
53
CPH3/LLCK3
54
IOB
62
IOG
65
IOR
68
RSET
71
COMP
72
VREFIN
73
VREFOUT
74
FIB1
99
VREF
100
NC1
97
NC2
98
A
G
NDB
2
A
G
NDB
8
A
G
NDG
10
A
G
NDG
16
A
G
NDR
18
A
G
NDR
24
GND
25
GND
37
GND
48
GND
51
GND
55
GND
58
GND
79
GND
94
AVSSD
59
D
VSS
61
AVSS3
3B
64
AVSS3
3G
67
AVSS3
3R
70
AVSS
76
A
V
DDB
1
A
V
DDB
7
A
V
DDG
9
A
V
DDG
15
A
V
DDR
17
A
V
DDR
23
A
V
DD33B
63
A
V
DD33G
66
A
V
DD33R
69
AVD
D
75
V
DD33
26
V
DD33
47
V
DD33
56
VD
33
80
V
DD25
46
V
DD25
57
V
DD25
78
DP
LLV
C25
96
DP
LLGND
95
V
DD25
27
V
DD33
35
DV
DD
60
A
V
DD33
77
V
DD25
89
VD
33
91
C191
100pF
C81
10U/16V L34
601H
R192
22K
R197
220
R174 33
1 2
CB57
0.1uF
R229
10K
R116
1K
VD30
RB060L
C253
470N
CB42
0.1uF
VR5
50K
G1
27MHZ
CB58
0.1uF
R24
1K
1
2
C202
16V/10U
R128
12K
R270
75
C201
20PF
CB62
0.1uF
CB59
0.1uF
+
C189
10U/16V
C91 470N
C206
16V/10U
R199
10K
C243
680P
CB36
0.1uF
CB48
0.1uF
R155
10K
C244
330P
R153
0
R154
10K
R233
47
CB38
0.1uF
CB51
0.1uF
CB39
0.1uF
C82
0.1uF
R232
27
R125
33
R183
220
C200
20PF
C203
10U/16V
C01
100N
R122
10K
1
2
N19
NJM3414
AOUT
1
A-
2
A+
3
GND
4
B+
5
B-
6
BOUT
7
VCC
8
R198
39K
R156
10K
L38
601H
+
C73
10U/16V
R34
33
C230
100pF
R111
33
C205
10U/16V
U3
JS1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
C22
100N
R150
10K
1
2
R196
10K
R215
75
CB32
0.1uF
R107
1K
C42
22U
C163
100N
R152
10K
C224
1uF
R29
100
R127
20K
CB43
0.1uF
CB56
0.1uF
C50
0.1uF
CB44
0.1uF
R159
33K
+
C80
100uF/16v
C204 10u/16v