Toshiba MD9DM1R Service Manual page 59

A B
8
7
FROM/TO AV SW
MONITOR_AUDIO_L
MONITOR_AUDIO_R
DVD_A_L
DVD_A_R
SWD_V_OUT
6
L4202
100uH 9A06B
FROM/TO REGURATOR
P.CON+D5V
SPDIF-134
5
GND
AT+5V
P.CON+12V
ZERO
DVD_AUDIO_L
DVD_AUDIO_R
SYS_MUTE
4
P.CON+9V
FROM/TO MICON/TUNER
TV/DVD
AUDIO_OUT_L
AUDIO_OUT_R
EXT_MUTE
3
DVD_AUDIO_L
DVD_AUDIO_R
2
1
NOTE: THE RESISTOR MARKED F IS FUSE RESISTOR. NOTE:THE DC VOLTAGE EACH PART WAS
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
A B
G-23
C
IN/OUT SCHEMATIC DIAGRAM
MUTE SW
Q4205
7.4
KRA102SRTK
MUTE SW
7.3
Q4207
0.8 KTC3875S_Y_RTK
0 R4225
0.2
MUTE SW
Q4204 2.2K
KTC3875S_Y_RTK 0
7.3
R4214 R4226
0
10K 1/4W 2.2K
0
R4209
10
4.9
D AUDIO DRIVER
R4205
Q4201 J4201
KTC3875S_Y_RTK
1.6 MSP-251V-05PBSN
10 1/4W
1.2 R4216 C4215 B4201
150 +-1% 0.1 B
W4BRH3.5X6X1
1.2
D AUDIO DRIVER
C4224
1.6
Q4202
KTA1504S_Y_RTK
100P CH
0
L4201
4.7mH 0607
0.3
MUTE DET
Q4203
0
KRC104SRTK
0
MUTE SW
Q4217
0
KRC104SRTK
3.2
0
C4220 R4229
0.0015 B 12K
R4208 R4224
10K 10K R4231
8.2K
5.8 5.8 5.8
0
4 3 2 1
-
C4206
R4201 R4211 +
10K 1/4W 50V 2.2 100K +
-
KA
5 6 7 8
5.8 5.8 5.8 11.5
C4207
R4202 R4212
C4222
10K 1/4W 50V 2.2 100K
0.0015 B
KA
R4213 R4223
10K 10K R4228
12K
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
MEASURED WITH THE DIGITAL TESTER
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
DURING PLAYBACK.
C
D E
(AV PCB)
MUTE SW
Q4208
1.1
KTC3875S_Y_RTK
0.2
0
R4266 R4270
1K 1K
NC
7.4 0 0.3 0.7 0.3 0 0
16 15 14 13 12 11 10
R4263
Vdd BOUT AOUT AY AX A B
82K
1/4W
BY BX CY COUT CX INH Vee
1 2 3 4 5 6 7
0 0 0.9 0.1 0.1 0 0
AUDIO_OUT_L
39
C4231
R4234
16V 22 KA 470
MUTE SW.
Q4210
5.2
KRA101SRTK
5.2
MUTE SW
0 Q4212
KTC3875
S_Y_RTK 0
5.2 R4239
MUTE SW.
0
0
Q4209
1K R4245
0
KRC103SRTK
40
C4232 0
R4235 100 1/4W
16V 22 KA 470 1/4W
0 MUTE SW
Q4211
0 KTC3875
S_Y_RTK
0
CAUTION: DIGITAL TRANSISTOR
D E
F G
C4253
16V 100 YK
0
9
SW
Q4213
C
KRC103SRTK
0
4.1
0
Vss
8
0
41
9.0
0.5
BUFFER
Q4214
1.1 KTC3875S_Y_RTK
BUFFER
1.8
Q4215
R4247
KTA1266
100 1/4W
1.1
0
R4244
100 1/4W
H1 H2 H1
2 3 5
1 4
E E
CAUTION: DIGITAL TRANSISTOR
F G
H
8
7
6
5
4
3
2
PCB250
TMB547
1
H
G-24