Toshiba MD20FP3 Service Manual page 47

A B
8
7
FROM/TO STEREO
AOUDIO_OUT_L
AUDIO_OUT_R
DVD_AUDIO_L
DVD_AUDIO_R
FRONT_A_IN_L
FRONT_A_IN_R
REAR_A_IN_L
REAR_A_IN_R
L4202
6 100uH 0305
FROM/TO VIF/SIF/CHROMA
R4205
1.6
REAR_VIDEO
2.2K 1/4W
FRONT_VIDEO
VIDEO_OUT
FROM/TO REGULATOR1
S801Y S801X
P.CON+5V_A
P.CON+5V
5
SPDIF-134
AT+5.6V
L4201
P.CON+12V
DVD_A_OUT_L
DVD_A_OUT_R
0
ZERO
2.9
P.CON+9V
0
GND
DVD_VIDEO
4
FROM/TO MICON/TUNER
KEY_A
KEY_B
POWER_ON_H
SCL R4208
SDA 10K
REMOCON
I2C_OFF
3
C4206
R4201 R4211
DVD_A_OUT_L
10K 50V 2.2 KA 100K
FROM/TO SOUND AMP
SP_OUT_L
SP_OUT_R
SOUND_GND
C4207
R4202 R4212
DVD_A_OUT_R
SP_OUT_L2
10K 50V 2.2 100K
SP_OUT_R2 KA
R4213
2
10K
CAUTION: DIGITAL TRANSISTOR
CAUTION: DIGITAL TRANSISTOR
1
A B
G-17
C
IN/OUT SCHEMATIC DIAGRAM
4.9
D AUDIO DRIVER COAXIAL
Q4201
J4201
KTC3875S_Y_RTK
MSP-251V-05PBSN
1.2 R4216 C4215 B4201
68 0.1 B W5RH3.5X5X1.0
C4224
100P CH
100uH 0305
MUTE DET
Q4203
KRC104SRTK
C4220 R4229
0.0015 B 12K
R4224
10K R4231
C4231
10K
W821
16V 22 KA
5.2 5.2 5.2
0
4 3 2 1
-
+
+
-
5 6 7 8
5.2 5.2 5.2 10.4
C4232
W834
16V 22 KA
C4222
0.0015 B
R4223
10K R4228
12K
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(AV PCB)
SOUND_GND
37
MUTE SW.
Q4210
5.2
DTA143EKA
5.2
MUTE SW
0 Q4212
KTC3875S
Y_RTK
0
5.2 R4239
MUTE SW.
0
0
Q4209
1K
0
DTC124EKA
38
0
0
MUTE SW
Q4211 REAR A/V JACK(STEREO)
4
KTC3875
0 J4203
S_Y_RTK
0 MSP-213V2-432_PBSN
ATTENTION
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D E
F G
W896
AT+5.6V
5.0
W895
POWER_ON_H
SW
5.0 Q2201
0 DTC124EKA
W882
W886
REMOCON
R2214 R2216 R2218
R4203
W887 820 1K 1.5K
AT+5.6V
100 1/4W
W801
W842
GND
W848
W883
KEY_A
R2215 R2217 R2219
W889
KEY_B
820 1K 1.5K
R4281
W884
FRONT_A_IN_R
R4282
W890
FRONT_A_IN_L 100
100
W885
FRONT_VIDEO
W891
NC
W868
SP_OUT_R2
H NC
2 3
W880
SP_OUT_R
W892
SP_OUT_L 1
E
W869
SP_OUT_L2
YELLOW
C4228
0.0056 B
C4235
0.0056 B
C4236
100P CH
H2 H1 NC H1
2 3 6
1 5
E E
CAUTION
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
F G
H
8
OS2202
PIC-37243SR
1 Vout
2 B+
3 GND
R2220 R2221
2.7K 5.6K
7
6
NC
H NC H NC
2 3 2 3
1 1
E E
WHITE RED
5
4
TEST POINT
CP101
A2001WV2-9P
GND 1
I2C SCL 2
I2C SDA 3
I2C OFF 4
P.CON+9V 5
3
AUDIO OUT L 6
AUDIO OUT R 7
DVD_VIDEO 8
VIDEO OUT 9
39
TEST POINT
CP4201
A2001WV2-6P
DVD_VIDEO 1
GND 2
DVD_AUDIO_L 3
GND 4
2
DVD_AUDIO_R 5
P.CON+12V 6
PCB250
TMB561
AUDIO SIGNAL
AUDIO SIGNAL(PB)
1
DIGITAL AUDIO SIGNAL(PB)
H
G-18