Sharp LC-26SH12U - 26" LCD HDTV Service Manual page 40

A B
8
7
FROM/TO FLASH
I2C_CLKC
I2C_DATC
DVI_INT_ADC
FROM/TO ASIC
X_RESET_OUT#
DVIDE
6
DVIVSYNC
DVIHSYNC
DVICLK
DVIDATA23
DVIDATA22
DVIDATA21
DVIDATA20
DVIDATA19
DVIDATA18
DVIDATA17
DVIDATA16
DVIDATA15
5
DVIDATA14
DVIDATA13
DVIDATA12
DVIDATA11
DVIDATA10
DVIDATA9
DVIDATA8
DVIDATA7
DVIDATA6
DVIDATA5
DVIDATA4
DVIDATA3
DVIDATA2
4
DVIDATA1
DVIDATA0
FROM/TO POWER3
3
+2.5V_IO
+3.3V
GND
FROM/TO PC JACK
VGAHS
VGAVS
FROM/TO AV SWITCH/JACK
2
SW_V/R
SW_Y/G
SW_U/B
GND
1
A B
H-15
C
VIDEO AD CONVERTER SCHEMATIC DIAGRAM
C6605
0.1 B
2.5
NC
NC
NC
NC
3.3
NC
NC
C6606
0.1 B
NC
C6633
NC
0.1 B
3.3
R6601 390 +-1%
C6607 10 C
NC
C6608
0.1 B
3.3
NC
C6609
NC
0.1 B
3.3
0.7
VDDC
B6602
AVDD_PLL
FCM1608KF-151T06
B6603
AVDD_ADC
FCM1608KF-151T06
B6604
B6601 AVDD_MPLL
FCM1608KF-151T06
FCM1608KF-151T06
B6605
VDDP
FCM1608KF-151T06
R6618
R6617
33
33
19
R6605
R6602
33
17
33
18
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.
C
D E
(DIGITAL PCB)
102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83
0
0
0
GND
103 GND
VDDC
104 GND
0
GND
0
NC
0
NC
0
GND
0
NC
0
NC
AVDD_ADC
AD CONVERTER IC
0
IC6601
NC
0
MST3583M-LF-110
NC
0
GND
0
NC
0
NC
AVDD_ADC
0
REXT
0
NC
0
GND
AVDD_PLL
0
NC
127 GND
0
NC
128 VREFP
AVDD_ADC
0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
0 0 0 0 0 0 0 0
1.0 2.5 2.5 3.3 0 0.7 0 1.3 1.0 0 0.7
NC NC NC NC NC NC NC NC
C6611
0.1 B
R6607
33
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F G
JG6601
82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
0
NC
0
NC
3.3
DATA[8]
64 NC
3.3
DATA[9]
63 NC
3.3
DATA[10]
3.3
DATA[11]
3.3
DATA[12]
3.3
DATA[13]
3.3
DATA[14]
3.3
DATA[15]
C6631
0
GND
0.1 B
3.3
VDDP
0
NC NC
0
NC NC
3.3
DATA[16]
3.3
DATA[17]
3.3
DATA[18]
3.3
DATA[19]
3.3
DATA[20]
3.3
DATA[21]
3.3
DATA[22]
3.3
DATA[23]
39 VDDP
0
NC NC
0
NC NC
3.3
INT
3.3
C6632
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
0 0 0 0 0 0 0 0 0 0.1 B
3.3 0 0 3.3 3.2 1.5 3.3 0 3.3 3.3
NC NC NC NC NC NC NC NC
CAUTION: DIGITAL TRANSISTOR
F G
H
8
7
NR6604
4D02WGJ0330TCE
DVIDATA8
DVIDATA9 6
DVIDATA10
DVIDATA11
NR6607
4D02WGJ0330TCE
DVIDATA12
DVIDATA13
DVIDATA14
DVIDATA15
5
NR6605
4D02WGJ0330TCE
DVIDATA0
DVIDATA1
DVIDATA2
DVIDATA3
NR6606
4D02WGJ0330TCE
DVIDATA4
DVIDATA5
DVIDATA6
DVIDATA7
4
DVI_INT_ADC
R6611 100 I2C_DATC
R6612 100
I2C_CLKC
3
R6613 SW
Q6601
10K
3.3 KRC102SRTK
X_RESET_OUT#
2.5
0
2
1
PCBDH0
CEF276
H
H-16