Sharp LC-26DV24U A Service Manual page 18

A B
8
FROM SCALER VIDEO/AUDIO
DVD-H
7
FROM JACK3
ZERO_MUTE
FROM FLASH
6
A_MUTE
FROM MICON
AUDIO_MUTE
5
FROM REGULATOR2
D3.3V
AT+5V
P.CON+9V
4
GND
FROM SCALER VIDEO/AUDIO
3
LOUT_FI
ROUT_FI
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
A B
H-15
C
R3405 R3412
3.3 0
10K 10K
MUTE_SW
3.3
Q3402
KRA101SRTK
MUTE SW
Q3406
R3406 KTC3875S_Y_RTK
10K
MUTE SW
Q3405
KTC3875S_Y_RTK
R3414
10K
R3437
10K
L3401
330uH_NLCV32T
AMP
Q3403
KTC3875S_Y_RTK
6.3
2.3
1.7
10V(2125)
C3401
10 C 10V(2125)
C3402
10 C
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
SURROUND SCHEMATIC DIAGRAM
(DIGITAL PCB)
MUTE_SW
5.0
Q3404
KTC3875S_Y_RTK
0
MUTE_SW
0
Q3409
KRA101SRTK
R3428
5.0 0
1K
5.0
5.0
0
0 R3422
560
R3427
0
5.0 1K
0
MUTE SW
Q3410
KTC3875S_Y_RTK
0
D3405
MA111
D3406
MA111
C3419
1 B
AMP
AMP Q3401
Q3408 KTC3875S_Y_RTK
KTC3875S_Y_RTK
C3418
4.4
6.3
2.3
1 B
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
MUTE SW
Q3411
KTC3875S_Y_RTK
4.5
0
0
4.5
0
C3415 R3425
1 B 1K
AMP
Q3412
8.7
KTC3875S_Y_RTK
8.7
4.4
3.8
C3416 R3426
3.8
1 B 1K
CAUTION: DIGITAL TRANSISTOR CAUTION: DIGITAL TRANSISTOR
F
G H
8
7
TO JACK3
LOUT_SOUND
6
ROUT_SOUND
POP_MUTE
5
4
3
2
PCBDH0
CEH424
1
G H
H-16