Toshiba 20A42 Service Manual page 25

A B
8
7
6
VIDEO AMP IC
5
Vin1
1
5.9 5.0
REAR_AV-IN
4
(STEREO)
J701
MSP-213V2-432_PBSN
A_IN_L
A_IN_R
V_IN
3
2
1
A B
C
C702
R733
1K
16V 10 KA
C701
R734
1K
16V 10 KA
S804X
IC702 NJM2234L
SW1 Vin2 SW2 Vin3 V+ Vout GND
2 3 4 5 6 7 8
5.9 5.0 5.9 5.0 4.0 0
C704
R711
1K
16V 10 KA
C703
R709
1K
16V 10 KA
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.
C
D E
AV SCHEMATIC DIAGRAM
(MAIN PCB)
VIDEO_3_IN
VIDEO IN(FRONT)
HTJ-032-03AY
AUDIO_L IN(FRONT)
L3_IN
HTJ-032-03AW
AUDIO_R IN(FRONT)
R3_IN
HTJ-032-03AR
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F G
J710
J711
J712
FROM/TO SOUND
W839
FRONT_AUDIO_L
W847
FRONT_AUDIO_R
REAR_AUDIO_R
REAR_AUDIO_L
GND
FROM DEFLECTION/CRT
P.CON+9V
FROM/TO POWER
GND
FROM MICON/TUNER
GND
AV2
AV1
FROM CHROMA
TU_VIDEO
GND
FROM/TO COMB/FILTER
VIDEO_IN
P.CON+9V
GND
AUDIO SIGNAL
TUNER VIDEO SIGNAL
F G
H
8
7
6
5
4
3
2
PCB010
TMB540
1
H