Sharp LC-26DV24U A Service Manual page 14

A B
8
FROM/TO DVD
CP4301
A2001WR-14A
1 SPDIF-134
FCM1608KF-102T02
2 GND
3 ZERO
FCM1608KF-102T02
4 DVD_A_OUT_R
5 GND
6 DVD_A_OUT_L
7
7 DVD_RESET
FCM1608KF-102T02
8 [Y]VIDEO
9 GND
10 [U]C_VIDEO
11 START_SW
FCM1608KF-102T02
12 GND
B4305 FCM1608KF-102T02
13 RX
B4306
14 TX
FCM1608KF-102T02
6
FROM/TO JACK2
CP4302 (CP4203)
TWG-P23P-A1
23 LOUT_SOUND
22 GND
21 ROUT_SOUND
20 GND
5 19 NC 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
2
1
A B
H-7
C
B4301
DVD_SPDIF
B4302
ZERO_MUTE
DVD_R
DVD_L
B4303
DVD_RESET
W827
DVD_Y
W828
DVD_C
B4304
START_SW
TWIRE_TXDC
TWIRE_RXDC
LOUT_SOUND
ROUT_SOUND
POP_MUTE
AV3/AV4_Y
AV3/AV4_PB
AV3/AV4_PR
SW_R
ASW2
SW_L
AV2_CVBS
AV1_CVBS
ASW1
AV1_C
S1_DET
AV1_Y
CAUTION: DIGITAL TRANSISTOR
C
D E
JACK3 SCHEMATIC DIAGRAM
(DIGITAL PCB)
DVD-H
DIGITAL AUDIO SW IC
IC6556
SN74LVC1G3157DCKR
R6551
DVD_SPDIF 2.9 3.3
B2 SW
100
0 3.3
GND VCC
R6552
SPDIF 2.9 3.3
B1 A
100
SPDIF_OUT
R4303
VGA-R
100
R4304
VGA-G
100
VGA-B
PC_H
PC_V
D AUDIO DRIVER
Q4306
KTC3875S_Y_RTK
R4330 C4338
B4308
D5.0V
5.0 2.8
FCM1608KF-151T06 68 0.1 B
3.2
C4329 R4309
SPDIF_OUT
0.1 B 2.2K
ROUT_FI
LOUT_FI
L4301
P.CON+9V
22uH_NLCV32T
AMP
Q4308
MUTE_SW
KTC3875S_Y_RTK
Q4303
R4326
4.6
KRA101SRTK
AT+5V
C4339
1K
5.0 4.7 4.0
10 C
C4333
5.0
1.3
10 C
0 0.7
MUTE_SW
Q4301
KTC3875S_Y_RTK
5.0
R4306
EXT_MUTE-H
0.1
0
10K
0
0
0
MUTE_SW
R4318 1K
Q4307
KTC3875S_Y_RTK
R4319 1K
GND
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F
B6551
BLM18PG121SN1D
SPDIF_OUT
DB15ds
CP4303
1B630020
VGA-R 1
VGA-G 2
VGA-B 3
NC NC 4
R4305
DGND 5
AGND 6
100
AGND 7
AGND 8
NC 9
NC
DGND 10
NC NC 11
DDCD 12
NC
R4340
VGAHS 13
R4344
2.2K
VGAVS 14
2.2K
NC
DDCC 15
B4309
FCM1608CF-600T06
AUDIO OUT
J4301
AV3-13P2-60S1
4
5
C4343
L
10 C
6
4.7 C4344 R
AMP
8.7
Q4312
R4345 10 C
4.6
KTC3875
1.3
S_Y_RTK
0.7 1K
4.0
0.1
0 MUTE_SW
Q4311
KTC3875
0
S_Y_RTK
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.
F
G H
8
D3.3V
7
FROM MICON
START_SW
6
EXT_MUTE-H
DVD_RESET
TO AV SWITCH2
SW_L
SW_R
AV1_Y
AV1_C
DVD_L
DVD_R
DVD_Y
DVD_C
5
FROM/TO SCALER VIDEO/AUDIO
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
4
TWIRE_RXDC
TWIRE_TXDC
DVD-H
ROUT_FI
LOUT_FI
ASW2
ASW1
SPDIF
FROM REGULATOR2
D3.3V
AT+5V
3
D5.0V
P.CON+9V
GND
FROM/TO SURROUND
ZERO_MUTE
LOUT_SOUND
ROUT_SOUND
POP_MUTE
2
PCBDH0
CEH424
1
G H
H-8