Toshiba SD-2960SA Manual de serviço - Página 12

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Power & AV Output Circuit Diagram
CVBS_SCART
CVBS_SCART
J5
FB7
FBR
1
1
TP65
.
R
FB8
FBR
1
2
TP66
.
G
FB9
FBR
1
3
TP68
.
B
FB11
FBR
1
4
TP69
.
5
SCART_PIN16
R156
1
6
TP70
.
SCART-PIN8
75R
1
7
TP71
.
C206 100uF/16V
8
R304
NC
R158
1
9
TP73
.
SCART-L
1
10
TP74
.
1
11
TP75
.
SCART-R
Q16
12
2
A/V+5V
1
SCART_PORT
2N3906
3
C161
C162
100pF
100pF
C210
NC
+4.6V
STB+5V
R167
R168
R169
R170
4.7K
4.7K
4.7K
4.7K
J7
P+5V
1
1
TP80
.
R173
100R
1
2
TP81
.
R174
100R
1
3
TP82
.
R178
100R
1
4
TP83
.
R179
100R
1
5
TP84
.
R181
100R
IR
R182
1
6
TP85
.
1
7
TP86
.
R183
0R
STB+5V
1
8
TP87
.
LAMP
R184
0R
1
9
TP88
.
LED/VFD_PORT
+
C203
R198 0R
NC/47uF/16V
J6
P+5V
FB17
FB
1
1
TP89
.
D+5V
1
2
TP90
.
P+12V
FB18
FB
1
3
TP91
.
P-12V
FB19
FB
1
4
TP92
.
STB+5V
1
5
TP94
.
1
6
TP96
.
ON/STBY
1
7
Hight: Standby
TP97
.
1
8
Low: Power On
TP98
.
MAIN POWER
FB20
FB
FB21
FB
1
3
FB22
FB
Q23
FB23
NC
NC/PSS8550
C168
0.1uF
R201
R202
NC/220R
NC/220R
ON/STBY
+4.6V
Q25
2N3904
SCART_PIN16
3
2
R203
150
R207
R208
4.7K
FS1
4.7K
A/V+5V
R211
3.3K
Q29
3
R212
4.7K
1
FS2
2
2N3904
R213
8.2K
A/V+5V
R219
2.2K
Q30
3
R220
4.7K
1
FS3
2
2N3904
Q31
R228
4.7K
1
FS1
2N3904
H2
H3
H4
3
4
3
4
3
3
4
3
4
3
2
5
2
5
2
2
5
2
5
2
1
1
1
1
1
1
H2
H3
+4.6V
R154
C156
75R
0.1uF
C207 100uF/16V
SPDIF
SPDIF
R302
NC
R157
NC
2
1
CVBS_G_Y/OUT
NC
Q15
3
2N3906
R159
75R
Y_R_V/OUT
R161
NC
C208 100uF/16V
Q17
2
R303
NC
1
C_B_U/OUT
3
2N3906
R154,R156,R159,R172
should be used with 1206
package.
R171
4.7K
FPC_DIN\DOUT
FPC_STB
SPDIF
FPC_CLK
READY
100R
IRIN
ON/STBY
MUTEM
Low: Standby
R186 NC/470R
D16
Hight: Power On
ON/STBY
Q20
NC/9.1V
R188
NC/10K
NC/2N3906
2
3
PA+12V
R191
10R(0805)
PA+12V
R193
10R(0805)
PA-12V
2
3
PA-12V
Q21
NC/2N3904
+
C165
C166
47uF/16V
R197
47uF/16V
NC/4.7K
STB+5V
M5V
3
2
Q22
NC/2N3906
RFA5V
A/V+5V
R200
+
+
NC/10K
C171
C172
ON/STBY
220uF/16V
220uF/16V
Use these parts to improve the A/V performance.
SCART-PIN8
R204
2K
3
2
R205
2.2K
R206
0R
PA+12V
3
2
Q26
Q27
2N3904
2N3904
R209
4.7K
FS2
R210
4.7K
FS3
J10
FB25
FBR
1
1
Y_D
.
TP100
2
1
.
TP101
FB26
FBR
3
1
Cb_D
.
TP102
R221
4
FB27
FBR
5
1
Cr_D
.
TP104
3.3K
6
R226
6.8K
D_VFORMAT
7
1
.
TP107
D_SPEC
8
1
.
TP109
3
D_TERMINAL
R229
2
FOR
NC
D_TERMINAL
4
1
H1
4
.
5
1
MARK1
5
.
1
MARK2
.
1
MARK3
GND
.
1
1
MARK4
AGND
.
.
H4
1
GND
.
RFGND
R152
NC/470K
R153
NC/68
OPT_SPDIF
OPTVCC
A/V+5V
C157
U14
R155
NC/0.1uF
1
2
1
NC/33
3
4
5
6
C158
C159
9
8
NC/100uF/16V
NC/0.1uF
11
10
C160
R160
COAX_SPDIF
13
12
NC/330
NC/0.1uF
NC/74HCU04
R165
NC/91
R166
NC/2.2K
NC
R176
R177
68
OPT_SPDIF
33
A/V+5V
R185
C163
3
68
2N3904
0.1uF
1
Q19
2
R187
180R
R190
0R
COAX_SPDIF
R194
91R
C164
47pF
PA+12V
A/V+5V
U15
L78L05
PA+12V
3
1
IN
OUT
A/V+5V
D+5V
+
C169
100uF/16V
1
TP99
.
OPT_SPDIF
U16
B1117-3.3V
D+5V
FB24
FB
+4.6V
Q28
NC/PSS8550
+4.6V
1
3
C175
100uF/16V
+
+
C176
R214
R215
NC/220R
NC/220R
100uF/16V
ON/STBY
D17
D18
+3.2V
1
1
2
1
2
LED5V
.
1N4001
1N4001
+
+
C179
C180
100uF/16V
47uF/16V
SGND
VGND
AFEGND
TP95
FB30
FBR
C_SVIDEO
C200
47pF
JR1
5
TP93
1
FB31
FBR
3
Y_SVIDEO
C201
TP79
47pF
FB16 FBR
1
.
RT
8
RMAIN-OUT
C181
47pF
10
TP77
FB14 FBR
1
.
LT
11
LMAIN-OUT
C183
47pF
15
TP72
FB12 FBR
1
.
COAX_SPDIF
COAXO
13
C182
47pF
16
JR3
GP1F32T
4
5
6
1
2
3
8
7
RF33V
RF33V
DSPVCC33
DSPVCC33
DSPVCC33
C173
+
47uF/16V
C174
0.1uF
R223
TP103
.
TP105
.
TP106
.
DSPVCC18
R227
910R
TP108
.
2.2K
DSPVCC18
DSPVCC18
+
C178
C177
0.1uF
220uF/16V
1) The relay signal from Fp is Low when standby, while Power on is hight.
U17
2) The ready signal to Fp should be High when Power on, while Low in standby mode.
B1117-ADJ
TP88
FB32
FBR
6
CVBS_C/OUT
C202
7
47pF
TP78
FBR
FB15
1
.
9
Y_RCA
C186
47pF
TP76
1
FBR
FB13
.
12
Cb_RCA
C185
47pF
TP67
FBR
FB10
1
.
14
Cr_RCA
C184
47pF
1
TD0
DUPTD0
.
1
RD0
.
DUPRD0
1
TD1
.
DUPTD1
1
RD1
.
DUPRD1
+4.6V
R216
R217
R218
10K
10K
10K
J11
1
1
R222
100R
KEY1
R224
100R
1
2
KEY2
R225
100R
1
3
KEY3
1
4
For KEY SCAN function.
KEY PORT
J12
1
MIC_IN1
2
MIC_IN2
P+12V
3
4
P-12V
5
5PIN