Sharp LC-26DV24U Service Manual page 55

A B
8
FROM/TO AUDIO/VIDEO
CP4301 (CP8501)
A2001WR-14A
B4301
1 SPDIF-134
FCM1608KF-102T02
2 GND
B4302
3 ZERO
FCM1608KF-102T02
4 DVD_A_OUT_R
5 GND
6 DVD_A_OUT_L
7 B4303
7 DVD_RESET
FCM1608KF-102T02
8 [Y]VIDEO
9 GND
10 [U]C_VIDEO
B4304
11 START_SW
FCM1608KF-102T02
12 GND
B4305
13 RX
FCM1608KF-102T02
14 TX
FCM1608KF-102T02
6
FROM/TO JACK2
CP4302 (CP8104)
TWG-P23P-A1
23 LOUT_SOUND
22 GND
21 ROUT_SOUND
20 GND
5 19 FILTER_MUTE NC
B4312
18 POP_MUTE
FCM1608KF-102T02
17 YUV_SW_Y
16 GND
15 YUV_SW_U
14 GND
13 YUV_SW_V
12 GND
11 AUDIO_SW_R
B4313
10 ASW2
FCM1608KF-102T02
9 AUDIO_SW_L
8 GND
7 VIDEO2
4
6 GND
5 VIDEO1
B4314
4 ASW1
FCM1608KF-102T02
3 AV1_C
B4315
2 S1_DET
FCM1608KF-102T02
1 AV1_Y
3
CAUTION: DIGITAL TRANSISTOR
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
1
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
A B
H-15
C
JACK3 SCHEMATIC DIAGRAM
DVD-H
DVD_SPDIF
ZERO_MUTE
DVD_R
DVD_SPDIF
DVD_L
DVD_RESET
W827
DVD_Y
SPDIF
W828
DVD_C
START_SW
TWIRE_TXDC
B4306
TWIRE_RXDC
SPDIF_OUT
VGA-R
VGA-G
VGA-B
LOUT_SOUND
ROUT_SOUND
POP_MUTE
PC_H
AV3/AV4_Y
AV3/AV4_PB
PC_V
AV3/AV4_PR
SW_R
ASW2
SW_L
AV2_CVBS
D5.0V
AV1_CVBS
ASW1
AV1_C
S1_DET SPDIF_OUT
AV1_Y 0.1
ROUT_FI
LOUT_FI
L4301
P.CON+9V
22uHNLCV32T
AT+5V
R4306
EXT_MUTE-H
10K
MUTE_SW
Q4301
KTC3875S_Y_RTK
C
D E
(DIGITAL PCB)
DIGITAL AUDIO SW IC
IC6556
SN74LVC1G3157DCKR
R6551
2.9 3.3
B2 SW
100
0 3.3
GND VCC
R6552
2.9 3.3 SPDIF_OUT
B1 A
100
R4303
100
R4304
100
R4305
100
R4340
R4344
2.2K
2.2K
D AUDIO DRIVER
Q4306
KTC3875S_Y_RTK
R4330 C4338 B4309
B4308
5.0 2.8
FCM1608KF-151T06 68 0.1 B FCM1608CF-600T06
3.2
C4329 R4309
2.2K
B
AMP
Q4308 AMP
KTC3875S_Y_RTK Q4310
8.7 KTC3875S_Y_RTK
R4326
4.6
4.7
C4339
1K
MUTE_SW 1.3
5.0 4.0 R4345
4.7
Q4303
10 C
C4333
KRA101SRTK
1.3 0.7
1K
5.0
10 C
0.7
0
5.0
0 0.1
0.1
0
0 0
0
0
MUTE_SW
R4318 1K
Q4307
1K KTC3875S_Y_RTK
R4319
GND
D E
F G
B6551
HCB1608KF-121T20
DB15ds
CP4303
1B630020
VGA-R
1
VGA-G 2
VGA-B 3
NC NC 4
DGND 5
AGND 6
AGND 7
AGND 8
NC NC 9
DGND 10
NC NC 11
NC DDCD 12
VGAHS 13
VGAVS 14
NC DDCC 15
AUDIO OUT
J4301
AV3-13P2-60S1
4
5
C4343
L
AMP
10 C
Q4312 6
C4344 R
KTC3875S_Y_RTK
8.7
10 C
4.6
4.0
MUTE_SW
Q4311
KTC3875
S_Y_RTK
F G
H
8
FROM REGULATOR2
D3.3V
GND
7
FROM MICON
START_SW
EXT_MUTE-H
TO AV SWITCH2
SW_L
SW_R
6
AV1_Y
AV1_C
DVD_L
DVD_R
DVD_Y
DVD_C
FROM/TO SCALER VIDEO/AUDIO
5
PC_V
PC_H
S1_DET
AV1_CVBS
AV2_CVBS
VGA-R
VGA-G
VGA-B
AV3/AV4_Y
AV3/AV4_PB
AV3/AV4_PR
TWIRE_RXDC
TWIRE_TXDC
DVD-H
ROUT_FI
LOUT_FI 4
ASW2
ASW1
SPDIF
FROM MICON
DVD_RESET
FROM REGULATOR
3
D5.0V
P.CON+9V
FROM/TO SURROUND
ZERO_MUTE
LOUT_SOUND
ROUT_SOUND
POP_MUTE
GND
2
PCBDH0
CEG352
1
H
H-16