Toshiba 19DV616DG Service Manual page 135

A B
8
7
6
FROM SCALER
SP_AUDIO_OUT_R
SP_AUDIO_OUT_L
5
AUDIO_MUTE
FROM SUB MICON
SW_SPDIF
FROM REGULATOR2
4 P.CON+3.3V
AT+3.3V
FROM DVD_INTERFACE/AV_SWITCH
ZERO_MUTE
FROM REGULATOR
POWER_FAIL
3
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
A B
H-35
C
SOUND AMP MUTE SCHEMATIC DIAGRAM
C1004 R1000
16V 4.7 B (16V 21-25) 100K
C1007 R1001
16V 4.7 B (16V 21-25) 100K
W911 W903
D1002
BAT54WS
3.4
D1001
MA111
R1004
1K
GND
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
(MAIN PCB)
20
0
21
R1008 MUTE
0
Q1002
10K KTC3875S_Y_RTK
MUTE_SW
0
Q1008
6.6
0
KRC102SRTK
R1009 MUTE
0
Q1003
0
10K KTC3875S_Y_RTK
0
0
3.4
R1020 DVD MUTE SW
0 0
Q1006
4.7K KTC3875S_Y_RTK
0
3.4
DVD MUTE SW
Q1005
KRA101SRTK
CAUTION: DIGITAL TRANSISTOR
D E
F
TO REGULATOR
FILTER_MUTE
TO AV SWITCH
AUDIO_ROUT
AUDIO_LOUT
0
SW
Q1001
3.4
KRA102SRTK
3.4
3.4
3.3
SW
0
Q1004
KTA1504S_Y_RTK
CAUTION: DIGITAL TRANSISTOR
F
G H
8
7
6
5
4
3
2
PCBF40
CMH143
1
G H
22DV616DG H-36