Toshiba SD-2960SA Servis Kılavuzu - Sayfa 10

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Sayfayı Yazdır
Audio & Video Circuit Diagram
A+12V
R100
47R
PA+12V
C108
+
47uF/25V
R281
100K
A-12V
AINL
R109
47R
PA-12V
AINR
C114
47uF/25V
R103
33
AOUT0
ABCLK
ABCLK
R105
NC
AOUT3
ALRCLK
ALRCLK
DSPVCC33
A/V+5V
FB5
FB
A33V
A5V
A-LMAIN
FB6
C118
C117
0.1uF
A-RMAIN
10uF/16V
C116
+
C120
+
47uF/16V
0.1uF
CVBS_G_Y/OUT
Y_R_V/OUT
C_B_U/OUT
C131 11pF
L5
1.1uH
C_B_U
C_B_U/OUT
C133
C134
R136
150pF
160pF
75R 1%
C135 11pF
L6
1.1uH
CVBS_G_Y
CVBS_G_Y/OUT
C136
C137
R140
150pF
160pF
75R 1%
C143 11pF
L8
1.1uH
Y_R_V
Y_R_V/OUT
C148
C149
R145
150pF
160pF
75R 1%
A5V
+
C310
C311
C312
47uF/16V
R285
C300
C301
0.1uF
0.1uF
220pF
100K
220pF
PCM1801
U18
AMCLK
1
5
ALIN
SCKI
ABCLK
6
BCLK
ALRCLK
2
7
ARIN
LRCK
R288
0R
8
DOUT
AIN
10uF/16V
C313
13
9
A/V+5V
VREF2
BYPASS
14
10
R287
VREF1
FMT
C314
10K
10uF/16V
OPTIONAL FOR DIGITAL KALAOKE.
U9
1
16
BCK
SCK
AMCLK
A33V
2
15
DIN
ML
ML
3
14
LRCK
MC
12CCLK
4
13
DGND
MD
12CDAT
5
12
2
VDD
ZeroL/NA
R111
2K
Q24
6
11
1
VCC
ZeroR/ZeroA
7
10
3
VoutL
Vcom
2N3906
8
9
VoutR
AGND
+
MUTE
PCM1742
C115
47uF/16V
A/V+5V
C121
C122
10uF/16V
0.1uF
C123
100uF/16V
115mW
U10
C124
C126
1
16
22uF/16V
100uF/16V
MUTE
VCC
2
15
INA
OUTA1
3
14
GND
OUTA2
4
13
INB
OUTB1
C128
5
12
GND
OUTB2
100uF/16V
C127
6
11
N.C.
N.C.
22uF/16V
7
10
INC
OUTC1
8
9
GND
OUTC2
BA7660FS
C130
22uF/16V
R126
NM/0R
R127
NM/0R
R128
NM/0R
WHEN NO BUFFER
WHEN NO BUFFER, ALL THESE
R131
R132
R133
COMPONENTS SHOULD BE OR.
75R 1%
75R 1%
75R 1%
Only for Alco DECAL
C140 11pF
L7
1.1uH
CVBS_C_1
CVBS_C
C144
C145
R143
150pF
160pF
75R 1%
R144
75R 1%
Only for Alco DECAL
C319
1uF/16V
R290 150R
MIC_IN1
R292 100K
3
2N3904
1
A-12V
R294 3.3K
Q33
2
C318
1uF/16V
R291 150R
MIC_IN2
R295 100K
3
2N3904
1
R293 3.3K
2
Q36
3
Q34
1
2
2N3906
A/V+5V
A/V+5V
R296 10K
R297
10K
R298 4.7K
3
1
2N3904
MIC_ON
Q35
2
TP62
R116
68R
R119
68R
TP63
R230
68R
R121
75R
TP64
R123
75R
R124
75R
R125
75R
R231
75R
C138 47uF/16V
DSPVCC33
This buffer can only drive two
DSPVCC33
loads at the same time.
D7
D8
D9
D10
D11
D12
BAT85
BAT85
BAT85
BAT85
BAT85
BAT85
So, the output forms can be
Components & D_terminal ;
Components & S-VIDEO; or
D-terminal & S-VIDEO.
+4.6V
C204
+4.6V
220uF/16V
R172
75R
R175 NC
R305 NC
Q18
2
3
1
8550
R172,R300 SHOULD BE USED
AS 1206 DECAL.
D22
D23
BAT85
BAT85
+4.6V
C205
220uF/16V
R300
75R
R301 NC
R306 NC
Q32
2
3
1
8550
DSPVCC33
D14
D15
BAT85
BAT85
R93
20K
C105,C112 CHANGE TO 100uF.
AINL
C103
120pF
C105
R96
10K
R97
A-LMAIN
3.9K
100uF/16V
C107
AINR
1000pF
R101
20K
C110
C112
R10710K
120pF
A-RMAIN
R108 3.9K
100uF/16V
C113
1000pF
D+5V PA+12V
R112
R113
NC
0R
D+5V
PA+12V
For D-terminal
Y_D
R117
R118
NC
0R
Y_RCA
For component Y
Y_SVIDEO
For SVIDEO-Y
R120
91K
Cr_RCA
For Component-V
Cr_D
For D-terminal
Cb_RCA
For Component-U
Cb_D
For D-terminal
C_SVIDEO
For SVIDEO-C
IN4148
D13
2
1
R129
MUTEM
C132
47uF/16V
R134
AMUTE
CVBS_SCART
R242
2K
DSPVCC33
C316
R241
1M
R240
C315
3
10uF/16V
MIC_IN1
1
Q37
2
15K
2N3904
10uF/16V
R259
MIC_IN2
CVBS_C/OUT
1N4148
15K
C104,C109 CHANGE TO 47uF.
SCART-L
A+12V
C102
0.1uF
R94
NC
U8A
C104 47uF/16V
3
LM4558
+
R95
LMAIN-OUT
1
LMAIN-OUT
2
-
1K
3
R98
C106
R99
MUTE
1000pF
1
Q10
22K
2
2K
2N3904
A-12V
C10947uF/16V
A+12V
RMAIN-OUT
RMAIN-OUT
R102
1K
U8B
3
R104
5
LM4558
1
Q11
R106
+
2N3904
22K
NC
7
2
6
-
R110
MUTE
2K
SCART-R
C111
A-12V
1000pF
C119
0.1uF
Q12
R114
2N3906
100K
2
3
R115
15K
D5
MUTE
2
3
+
C125
Q13
1N4148
2N3906
220uF/25V
R122
D6
470R
1N4148
+
C129
47uF/25V
D+5V
A-12V
R130
4.7K
1.3K
2
4.7K
Q14
R135
1
100K
3
2N3906
MUTE
R137
100K
D+5V
R245
4.7K
MIC_DET
MIC_DET
D19 1N4148
R244
3
1
Q38
2
+
2K
2N3904
R243
10K
D20
C317
22uF/16V