Toshiba 21V13B Service Manual page 27

A B
8
FROM/TO 21PIN/AV SW
SCART_A_IN1_R
SCART_A_IN1_L
SCART_A_IN2_R
SCART_A_IN2_L
FRONT_V_IN
SCART_A_OUT1_L
SCART_A_OUT1_R
7
SCART_A_OUT2_L
SCART_A_OUT2_R
FROM/TO MICON/TUNER
SDA
SCL
STEREO_RESET
A_MUTE
FROM/TO IF/CHROMA
6
SIF_IN
D1001
1SS133
5
4.9
MUTE
4.9
Q1001
KRA103SRTK
-1.6
R1001 D1002
4.7K 1/4W 1SS133
R1003
1K
4
FROM/TO POWER
AT+5V_AVDD
P.FAIL
SOUND+B
SOUND_GND
P.CON+8V
P.CON+5V
GND
3
2
PCB010
TMA528
1
A B
G-11
C D
SOUND AMP SCHEMATIC DIAGRAM
SOUND AMP (STEREO) IC
LA4600
ATT.
RIPPLE
FILTER
INPUT GND STAND-BY P.P VCC
10 9 8 7 6 5
1.4 0 1.4 4.0 11.7
8.7
37
W851
W852 36
R1017
470
8.7
MUTE
Q1003
0
2SC2412K
0
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C D
E
(MAIN PCB)
CP901A
IMSA-9130B-10
SCART A IN1 R
SCART A IN1 L
SCART A IN2 R
SCART A IN2 L
FRONT AUDIO R
FRONT AUDIO L
SCART A OUT1 L
SCART A OUT1 R
SCART A OUT2 L
SCART A OUT2 R
CP902A
IMSA-9130B-10
R621
R625
100
100
STEREO RSET
W860
MONO A IN
IC1002
OUTPUT GND
4 3 2 1
38
16.7 8.7 0 8.7 C1014
C1013
16V 1000 YK
16V 1000 YK
39
HS1002
763WAA0224
W825
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 NOMAL.
E
F G
1
2
3
4
5
6
7
8
9
10
FROM/TO STEREO
SDA 1
SCL 2
P.CON+5V 3
P.CON+8V 4
5
SOUND L 6
SOUND R 7
GND 8
SIF IN 9
10
R707
100 1/2W
7.5
C736
BUFFER
Q703
2.8
2SC2412K 50V 1 KA
3.8
BUFFER
Q704
2SC2412K
7.5
C737
2.8
50V KA 1
3.8
7
6
R725
B701
2
R706 390 1/2W W4BRH3.5X6X1
B702
3
390 1/2W W4BRH3.5X6X1
4
5
1
SP351
CP1001
C110-512-191A
A2502WV2-4P
RED R
1 1 4 OHM 5W
2 2
3 3
4 4 L
4 OHM 5W
WHITE
CAUTION: DIGITAL TRANSISTOR
F G
H
8
7
6
FRONT VIDEO
J703
HTJ-032-03AY
FRONT AUDIO L
J704
HTJ-032-03AW
5
R738 L715
8.2K 22uH
FRONT AUDIO R
J705
HTJ-032-03AR
R739 L716
8.2K 22uH
4
HEADPHONEJACK
J702
MSJ-2000
3
2
1
H
G-12