Sharp LC-26SB14U Service Manual - Page 36

Surround Schematic Diagram

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A 8 7 6 5 4 3 2 1 A H-15 B C D E F SURROUND SCHEMATIC DIAGRAM (DIGITAL PCB) G H 8 7 FROM FLASH A_MUTE FROM MICON AUDIO_MUTE FROM REGULATOR2 R3414 10K MUTE SW Q3405 KTC3875S_Y_RTK 5.0 0 0 R3437 10K C3408 1B C3413 10 C MUTE_SW Q3409 KRA101SRTK 5.0 0 5.0 R3428 1K 0 4.5 MUTE SW 0 Q3411 KTC3875S_Y_RTK R3422 560 R3427 4.5 0 1K MUTE SW 0 Q3410 KTC3875S_Y_RTK D3405 MA111 D3406 MA111 TO JACK3 LOUT_SOUND ROUT_SOUND 6 POP_MUTE 5 AT+5V C3415 R3425 P.CON+9V L3401 330uHNLCV32T 1B 1K R3434 180K R3403 180K R3432 6.8K R3417 180K R3431 6.8K R3407 180K C3417 16V 220 V-S C3420 16V 220 V-S AMP Q3403 KTC3875S_Y_RTK 6.3 2.3 AMP Q3408 KTC3875S_Y_RTK 6.3 2.3 C3418 AMP Q3401 KTC3875S_Y_RTK 8.7 4.4 AMP Q3412 KTC3875S_Y_RTK 8.7 4.4 1.7 1B 1.7 3.8 C3416 R3426 3.8 C3419 1B 1K 4 1B R3436 4.7K R3435 220K R3433 4.7K R3404 220K R3420 4.7K R3418 68K R3416 4.7K R3408 68K GND R3401 100 R3402 100 FROM SCALER VIDEO/AUDIO 10V(2125) C3401 LOUT_FI 10V(2125) 10 C 3 C3402 ROUT_FI 10 C NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE B C 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 CAUTION: DIGITAL TRANSISTOR F G 2 PCBDH0 CEG352 1 H H-16

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A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
L3401
330uHNLCV32T
D3406
MA111
D3405
MA111
Q3403
KTC3875S_Y_RTK
AMP
Q3408
KTC3875S_Y_RTK
AMP
Q3410
KTC3875S_Y_RTK
MUTE SW
Q3411
KTC3875S_Y_RTK
MUTE SW
Q3401
KTC3875S_Y_RTK
AMP
Q3412
KTC3875S_Y_RTK
AMP
Q3405
KTC3875S_Y_RTK
MUTE SW
Q3409
KRA101SRTK
MUTE_SW
CAUTION: DIGITAL TRANSISTOR
R3428
1K
R3427
1K
R3437
10K
R3422
560
R3401
100
R3402
100
R3426
1K
R3425
1K
R3407
180K
R3417
180K
R3432
6.8K
R3403
180K
R3431
6.8K
R3434
180K
R3414
10K
R3416
4.7K
R3420
4.7K
R3418
68K
R3408
68K
R3433
4.7K
R3404
220K
R3436
4.7K
R3435
220K
C3401
10
10V(2125)
C
C3413
10
C
C3402
10
10V(2125)
C
C3415
1
B
C3416
1
B
C3418
1
B
C3408
1
B
C3419
1
B
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
C3420
220
16V
V-S
C3417
220
16V
V-S
LOUT_SOUND
A_MUTE
ROUT_SOUND
AUDIO_MUTE
POP_MUTE
AT+5V
P.CON+9V
GND
LOUT_FI
ROUT_FI
H-16
H-15
SURROUND SCHEMATIC DIAGRAM
(DIGITAL PCB)
PCBDH0
CEG352
FROM SCALER VIDEO/AUDIO
FROM REGULATOR2
FROM MICON
FROM FLASH
TO JACK3
5.0
5.0
0
0
0
0
0
5.0
0
0
6.3
6.3
1.7
1.7
2.3
2.3
8.7
8.7
3.8
3.8
4.4
4.4
4.5
4.5