Toshiba SD-270EKB2, Руководство по обслуживанию

Страница: 21 / 37

A
A
B
B
C
C
D
D
E
E
1 1
2 2
3 3
4 4
Imax=28mA
10
+12V: +12V(+-10%)
-12V: -12V(+-10%)
+5V: +5V(+-2.5%)
01
GND
SCART CFG
Imax=1000mA
CLK
LED_5V
Close to Q505
STBY_KEY:
L: STBY or wake up.
H: Working.
TV
00 4:3
SCART config circuit
Video Status
16:9
IR
Imax=200mA
DAT
RGB/YUV Switch
IN Dir
H R,G,B
L Y,U,V
FS1: H=RGB L=CVBS
GND
CS
DV33
TO POWER BOARD
Imax=15mA
LED/PCON:
L: STBY.
H:
Working.
FS2 FS3
Power_k
RGB Status
D1
D1
D1
D1
E1
E1
E1
E1
E1
E1
E1
E1
D2
C1
C1
D3
D3
D3
A2
A2
A3
A3
A3
A3
A3
A3
A3
A3
A3
A1
A1
A1
A1
B1
A1
C2
B2
C2
A2
E1
D1
E1
C3
C3
C3
C3
B2
A2
A1
D3
D3
A3
C2
E2
E2
E2
E2
E2
E2
A2 C105
C106
C107
C108
C109
C110
C111
C112
C113
C114
C115
C116
C117
C118
C119
C120
C121
C122
C123
C124
C125
C126
C127
C131
C132
C133
C134
C135
C136
C139
C140
C141
C142
C143
C144
C146
C147
C148
C149
C177
C178
C179
C180
C181
C182
C183
C207
CN1
CN5
CN6
CN7
CN8
D20
D24
D25
D26
D27
D28
D29
EC38 EC39
EC40
EC41
FB26
FB27
FB34
JP1
L3
L4
L5
L6
L7
LL1
Q23
Q24
Q25
Q27
Q28
Q30
Q31
R184
R189
R190
R191
R192
R193
R194
R195
R196
R197
R198
R199
R200
R201
R202
R203
R204
R205
R208
R209
R210
R211
R212
R213
R214
R216
R219
R220
R221
R222
R232
R233
R234
R239
R240
R241
R242
R243
U16
U17 A3
C2
D1
B2
B2
B2
B2
C1
C1
C1
C1
C1
A2
B1
B1
B1
B2
B2
B2
B4
D1
C2
C2
A3
A3
A3
B4
B4
B4
B4
B1
B1
B1
B1
B1
A1
A1
B2
B2
B2
B2
B2
B2
A2
B2
B2
A3
B3
A3
A3
B2
A1
A1
B2
B4
A3
A3
A3
B3
B2
R_OUT
U_OUT
M5V
G-Y_OUT
CVBS_C_Y
COAX_SPDIF
G-Y_OUT
LED5V
G_OUT
CVBS_C
-12V
Y-R-V_OUT
CVBS_G_Y
Y_OUT
D5V
Y-R-V_OUT
S/PDIF_OUT
C-B-U_OUT
U_OUT
COAX_SPDIF
G_OUT
+P5V
U_OUT
LED/PCON
LED5V
V_OUT
Y_R_V
B_OUT
C_B_U
Y_OUT
C-B-U_OUT
FPC_CLK
R_OUT
RCA_CVBS_OUT
B_OUT
G-Y_OUT
RFA5V
+P12V
STBY_KEY
Y_OUT
V_OUT
-P12V
Y-R-V_OUT
RCA_CVBS_OUT
A5V
V_OUT
C-B-U_OUT
RCA_CVBS_OUT
FPC_STB
FPC_DOUT
Y-R-V_OUT
C-B-U_OUT
G-Y_OUT G_OUT
B_OUT
R_OUT
IRRCV
B_OUT
RMAIN-OUT
R_OUT
SCART_SWITCH
SCART_CVBS_OUT
AUDIO/TV/16:9
SCART_CVBS_OUT
AUDIO/TV/16:9
LMAIN-OUT
G_OUT
SCART_SWITCH
CVBS_C
IRRCV
CVBS_C_Y
FPC_STB
FS1
C_B_U
FS3
STBY_KEY
Y_R_V
S/PDIF_OUT
FPC_DOUT
FPC_CLK
RMAIN-OUT
CVBS_G_Y
FS2
LED/PCON
LMAIN-OUT
RGB/YUV_SW
DSPVCC18
-12V
DSPVCC33
DSPVCC33
D5V
DSPVCC33
RFA5V
+12V
DSPVCC33
M5V
D5V
+12V
D5V
D5V
SERVO33
D5V
ESD2V
A5V
DSPVCC33
U16
PI5V330W
[NM]
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
IN
S1A
S2A
DA
S1B
S2B
DB
GND
DC
S2C
S1C
DD
S2D
S1D
/EN
VCC
1
7
CN1
CON8 2.5mm
1
2
3
4
5
6
7
R191 NM(0R)
C180
100pF
Q25
BT3904
[NM]
Q23
BT3904
[NM]
C112 10pF
R233 220R
C135
100pF
[NM]
L3 1uH
C179
150pF
D28
LL4148
R240
NM(0R)
C126
1nF
R204
10K
R232
22K
C105
150pF
R192 NM(0R)
C181
100pF
R200
1K
[NM]
C119
680pF
R194
NM
C111 10pF
R196
39R
FB34
[NM] 500Z 0805
C125
220pF
L7 1uH
C114
150pF
R216
33R
Q28
BT3904
CN8
SCART
1
3
2
5
7
11
15
9
13
17
19
21
6
4
8
10
12
14
16
18
20
AUDIO_OUT_R
AUDIO_OUT_L
AUDIO_IN_R
GND_BLUE
BLUE
GREEN
RED
GND_GREEN
GND_RED
GND_VIDEO
CVBS_OUT
SHIELD
AUDIO_IN_L
GND_AUDIO
SWITCH
DATA2
DATA1
GND_COMM
BLANK
GND_BLANK
CVBS_IN
C140
100pF
R193 NM(0R)
C124
1nF
C141
100pF
C107
150pF
JP1 NM
C142
100pF
C113
150pF
C144
0.1uF
D24
LL4148
R208
2K
R184 0R
R219 0R
C127
0.1uF
R220 1K
FB27 500Z 0805
U17
78L05
2
1 3
GND
OUT IN
C121
0.1uF
C177 10pF
C207
10nF
Q27
8550D
D25
LL4148
C182
100pF
L5 1uH
C132
100pF
[NM]
L6 1uH
Q24
BT3904
[NM]
Q31
BT3904
C118
0.1uF
R210
22K
+
EC38
220uF/16V
R213
4.7K
D20
LL4148
R202
1K
[NM]
R234 33R
R199
1.8K
[NM]
C183
100pF
R221 1K
FB26 500Z 0805
D27
LL4148
CN5
CON9
1
2
3
4
5
6
7
8
9
R214
22k
R209
NM
+ EC40
47uF/16V
C109 10pF
C136
100pF
[NM]
R243 NM(0R)
C108
150pF
R205
2K
R195
56R
C110 10pF
C133
100pF
[NM]
R242 NM(0R)
C122
22pF
R239
[NM]
LL1 FB AXIAL
R241 NM(0R)
C146
10nF
C120
0.1uF
C116
150pF
C123
220pF
+
EC41
NM
[470uF/16V]
R211
2K
R203
2.2K
+ EC39
220uF/16V
C149
0.01uF
C115
150pF
CN7
VIDEO OUT
1
2
3
4
5
6
D26
LL4148
R189
3K
R222 1K
C147
10nF
C139
0.1uF
Q30
8550D
C178
150pF
R198
1.8K
[NM]
C134
100pF
[NM]
R190
2K
C106
150pF
R197
62R
C143
NM
CN6
VIDEO OUT
1
2
3
4
5
6
R201
150R
[NM]
D29
LL4148
C148
10nF
C131
100pF
[NM]
L4 1uH
C117
0.1uF
R212
4.7K
4-6
4-6
Main Board Electric Diagram for SD-270: Power_Video Out_