Sharp LC32DV24U - 31.5" LCD TV Service Manual page 60

A B
8
FROM SCALER VIDEO/AUDIO
DVD-H
7
FROM JACK3
ZERO_MUTE
FROM FLASH
A_MUTE
6
FROM MICON
AUDIO_MUTE
FROM/TO REGULATOR2
5
D3.3V
AT+5V
P.CON+9V
4
FROM SCALER VIDEO/AUDIO
LOUT_FI
3
ROUT_FI
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
A B
H-23
C
SURROUND SCHEMATIC DIAGRAM
R3405 R3412
3.3 0
10K 10K
MUTE_SW
3.3
Q3402
KRA101SRTK
R3406
10K
R3414
10K
R3437
10K
L3401
330uHNLCV32T
AMP
Q3403
KTC3875S_Y_RTK
2.3
GND
10V(2125)
C3401
10V(2125) 10 C
C3402
10 C
C
D E
(DIGITAL PCB)
MUTE_SW
5.0
Q3404
KTC3875S_Y_RTK
0
0
R3428
5.0 0
MUTE SW MUTE_SW 1K
Q3406
Q3409 5.0
5.0
KTC3875S_Y_RTK KRA101SRTK
0
0 R3422
560
MUTE SW R3427
Q3405
KTC3875S_Y_RTK 5.0 1K
0 MUTE SW
Q3410
KTC3875S_Y_RTK
0
D3405
MA111
D3406
MA111
AMP
Q3408
KTC3875S_Y_RTK
KTC3875S_Y_RTK
6.3 6.3
C3418
2.3
1 B
1.7
1.7
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.
D E
F G
4.5
0 MUTE SW
Q3411
0
KTC3875S_Y_RTK
4.5
0
0
C3415 R3425
1 B 1K
AMP
AMP
Q3401 Q3412
KTC3875S_Y_RTK
8.7
8.7
4.4 4.4
C3416 R3426
3.8 3.8
C3419
1 B 1K
1 B
CAUTION: DIGITAL TRANSISTOR
F G
H
8
7
TO JACK3
LOUT_SOUND
6
ROUT_SOUND
POP_MUTE
5
4
3
2
PCBDH0
CEG352
1
H
H-24