Toshiba VTW2887 Service Manual page 68

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A
B
8
MONITOR_A-R
TUNER_H
AUDIO SW(L CH) IC
IC4202
FROM/TO DEMODULATOR/21PIN
C4235_1
6.5
MONITOR_A-L
Ain1
25V
10
KA
0
DVD_AUDIO_L
GND
DVD_AUDIO_R
C4224
6.5
SOUND_A-L
Ain2
B
1
7
SOUND_A-R
TO Y/C/AUDIO/HEAD AMP
AT+11.5V
FRONT_V_IN
FROM/TO SECAM CHROMA/Hi-Fi
DVD_AUDIO_L
DVD_AUDIO_R
FRONT_A_IN_R
FRONT_A_IN_L
L4207
MONITOR_A-L
MONITOR_A-R
6
100uH
FROM/TO CHROMA/IF
R4245
2.2K
FRONT_V_IN
DVD_A_OUT_L
DVD_A_OUT_R
ZERO
FROM REGULATOR1
P.CON+5V_C
5
SPDIF-134
AT+5.6V
R4265
P.CON+12V
100
1/4W
SOUND_GND
GND
AT+11.5V
2.9
4
FROM/TO MICON
TU_AUDIO_MUTE_H
REC_LED
T-REC_LED
KEY_A
KEY_B
STANDBY_H
R4248
REMOCON_IN
10K
TUNER_H
3
FROM/TO SOUND AMP
C4206
R4244
SOUND_L
DVD_A_OUT_L
SOUND_R
10K
50V
2.2
KA
SOUND_L+
SOUND_R+
SP_OUT_L
SP_OUT_R
C4207
R4202
DVD_A_OUT_R
10K
50V
2.2
KA
R4213
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
A
B
G-13
C
DVD IN/OUT SCHEMATIC DIAGRAM
AUDIO SW(R CH) IC
MM1501XNRE
IC4203
MM1501XNRE
C4251_1
4.9
6.5
4.9
SW1
Ain1
SW1
25V
10
KA
5.7
0
5.7
A.OUT
GND
A.OUT
C4221
11.1
6.5
11.1
Vcc
Ain2
Vcc
1
B
R4246
10K
4.9
D AUDIO DRIVER
Q4208
1.6
2SC3052-T1
1.2
R4250
C4242
B4203
68 1/4W
0.1
B
W5RH3.5X5X1.0
0
MUTE
Q4203
0
DTC144EKA
C4220
R4229
0.0015 B
12K
R4257
R4231
10K
C4246
R4234
8.2K
16V
22
KA
470 1/4W
5.2
5.2
5.2
0
4
3
2
1
-
R4211
+
100K
+
-
5
6
7
8
5.2
5.2
5.2
10.4
C4232
R4235
R4212
16V
22
KA
470
C4222
R4258
100K
0.0015 B
12K
R4256
10K
10K
CAUTION: DIGITAL TRANSISTOR
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
C
D
E
(VCR PCB)
C4252_1
25V
10
KA
C4253_1
25V
10
KA
4.8
MUTE SW
4.5
Q4213
0.7
DTA114EKA
0
R4214
0.7
MUTE
2.2K
Q4206
4.5
0
2SC3052-T1
0
0
MUTE SW
R4226
0.7
MUTE
Q4204
0
2.2K
Q4214
2SC3052-T1
2SC3052-T1
0
W907
(W335)
33
5.2
5.2
MUTE SW.
Q4215
0
DTA143EKA
0
5.2
R4259
MUTE SW.
0
0
H1
H2
H1
Q4209
MUTE SW
2
3
5
1K
0
DTC124EKA
Q4212
34
0
2SC3052-T1
1
4
E
E
0
MUTE SW
Q4216
2SC3052-T1
0
0
CAUTION: DIGITAL TRANSISTOR
D
E
F
G
W823
R2208
R2206
1.5K
1.8K
REMOCON_IN
SOUND_GND
W807
AT+5.6V
GND
KEY_B
KEY_A
L2201
FRONT_A_IN_R
L2202
FRONT_A_IN_L
10uH
FRONT_V_IN
10uH
SP_OUT_R
SOUND_R+
C2205
SOUND_L+
16V
47
SP_OUT_L
YK
HEADPHONE_JACK
J2201
MSJ-2000_AG
AT+5.6V
T-REC_LED
REC_LED
STANDBY_H
KEY_B
KEY_A
C2207
0.01
B
AUDIO OUT
J8007
MSP-213V1-732_NI_LF
AUDIO SIGNAL
AUDIO SIGNAL(PB)
TUNER AUDIO SIGNAL
F
G
H
8
OS2202
RPM7138-WH10
1
Vout
2
GND
3
B+
R2204
R2203
R2201
R2205
2.7K
3.9K
6.8K
12K
7
NC
NC
6
H
NC
H
NC
H
NC
2
3
2
3
2
3
1
1
1
E
E
E
YELLOW
WHITE
RED
CD2201
CH01429A
5
W849
4
FROM CRT/SVM
CP2201
(CD2251)
A2001WV2-3P
KEY-B
1
GND
2
3
KEY-A
3
2
PCB010
DMD027
DIGITAL AUDIO SIGNAL(PB)
TUNER VIDEO SIGNAL
1
PLAYBACK VIDEO SIGNAL
H
G-14

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