Toshiba MD14FN1 Service Manual page 48

A B
8
7
FROM/TO STEREO
A_O_L
A_O_R
DVD_AUDIO_L
DVD_AUDIO_R
FRONT_A_IN_L
FRONT_A_IN_R
L4202
FROM/TO VIF/SIF/CHROMA
6
100uH 0305
FRONT_VIDEO
SWD_VIDEO
FROM/TO REGULATOR
5 P.CON+5V
SPDIF-134
AT+5.6V
P.CON+12V
DVD_A_OUT_L
DVD_A_OUT_R
ZERO
P.CON+9V
GND
DVD_VIDEO_A
4
FROM/TO MICON/TUNER
KEY_A
KEY_B
POWER_ON_H
SCL
SDA
REMOCON
3
I2C_OFF
R4201
DVD_A_OUT_L
FROM/TO SOUND AMP
10K
SOUND_L+
SOUND_R+
SP_OUT_L
SP_OUT_R
SOUND_GND
R4202
DVD_A_OUT_R
10K
2
CAUTION: DIGITAL TRANSISTOR
CAUTION: DIGITAL TRANSISTOR
1
A B
G-21
C
IN/OUT SCHEMATIC DIAGRAM
4.9
COAXIAL
R4205 D AUDIO DRIVER
J4201
Q4201
1.6 MSP-251V-05PBSN
2.2K 1/4W KTC3875S_Y_RTK
R4216 C4215 B4201
1.2
68 0.1 B
W5RH3.5X5X1.0
C4224
100P CH
L4201
100uH 0305
R4243
10K
0
MUTE DET
Q4203
2.9 KRC104SRTK
R4209
0
4.7K
C4220 R4229
0.0015 B 12K
R4208 R4224
10K 10K R4231
C4231
10K
16V 22 KA
5.2 5.2 5.2
0
4 3 2 1
-
C4206
R4211 +
50V 2.2 100K +
-
KA
5 6 7 8
5.2 5.2 5.2 10.4
C4232
C4207
R4212 16V 22 KA
C4222
50V 2.2 100K
0.0015 B
KA
R4213 R4223
10K 10K R4228
12K
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
C
D E
AT+5.6V
(AV PCB)
POWER_ON_H
REMOCON
SOUND_GND
AT+5.6V
KEY_A
KEY_B
FRONT_A_IN_R
FRONT_A_IN_L
FRONT_VIDEO
SP_OUT_R
SOUND_R+
SOUND_L+
SP_OUT_L
37
W807
MUTE SW.
Q4210
5.2
KRA101SRTK
5.2
MUTE SW
0 Q4212
KTC3875S
Y_RTK
0
5.2 R4239
MUTE SW.
0
0
Q4209
1K
0
KRC103SRTK
38
0
W821
0 MUTE SW
Q4211
KTC3875
0
S_Y_RTK
0
CAUTION
:SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
ATTENTION
:LES PIECES REPAREES PAR UN
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D E
F G
OS2202
PIC-37243SR
1
R2202
2
1001/4W
3
5.2
5.1
SW
Q2201
0 KRC103SRTK
R2214 R2216 R2218 R2220
820 1K 1.5K
R2215 R2217 R2219
820 1K 1.5K
R4227
75
NC
H NC H
C2205
2 3 2
16V 47 YK
1 1
E
WHITE
YELLOW
HEADPHONE_JACK
J2201
MSJ-2000
TEST POINT
CP101
A2001WV2-9P
GND 1
SCL
I2C SCL 2
SDA
I2C SDA 3
I2C_OFF
I2C OFF 4
P.CON+9V
P.CON+9V 5
A_O_L
AUDIO OUT L 6
A_O_R
AUDIO OUT R 7
DVD_VIDEO_A
DVD_VIDEO 8
SWD_VIDEO
SWD_VIDEO 9
39
AUDIO SIGNAL
ARE
AUDIO SIGNAL(PB)
TUNER AUDIO SIGNAL
DIGITAL AUDIO SIGNAL(PB)
ETANT
TUNER VIDEO SIGNAL
PLAYBACK VIDEO SIGNAL
F G
H
8
Vout
B+
GND
R2221
2.7K 5.6K 7
6
NC
NC H NC
3 2 3
1
E E
RED
5
4
3
2
1
PCB250
TMB555
H
G-22