DOWNLOAD Sharp LC-26SH330E Service Manual ↓ Size: 20.81 MB | Pages: 127 in PDF or view online for FREE

Model
LC-26SH330E
Pages
127
Size
20.81 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
lc-26sh330e.pdf
Date
PREV: Sharp LC-26SD1E (serv.man19) Service Manual / Technical Bulletin

Sharp LC-26SH330E Service Manual ▷ View online

         2008-03-14 
          LC-26SH330, LC-32SH330, LC-42SH330 
 121 
 [4] IR UNIT PRINTED WIRING BOARD
 
    
26″ /32″ /42″ IR UNIT (Side-A)                                                                             
 
 
 
26″ /32″ /42″ IR UNIT (Side-B)
 
 
 LC-26SH330, LC-32SH330, LC-42SH330 
122 
[5] RS232 UNIT PRINTED WIRING BOARD 
    
32″ /42″ RS232 UNIT (Side-A)                                                                              
 
 
32″ /42″ RS232 UNIT (Side-B)
 
 
 
         2008-03-14 
          LC-26SH330, LC-32SH330, LC-42SH330 
 123 
CHAPTER 8. 
SCHEMATIC DIAGRAM
 
[1] 26″ MAIN SCHEMATIC DIAGRAM 
01. POWER-1 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
EU  MT5363 - 4 LAYERS for small size
SMD/0402
STAND_BY
OPWRSB
Vout=0.8x (1+4K/10K) = 1.12V for MP2212
SMD/0402
SMD/0402
DV33
SMD/0402
C717
100N 50V
R723
30K 1/10W 1%
C720
560pF 50V
C728
22uF 10V
FB702
120R/3000mA
1
2
STAND_BY:
Normal: Low
Stand_by: High
R717
120R 1% 1/10W
T
P
704
L702
4.7uH
R730
7K5 1/10W 5%
STAND_BY
C706
1UF16V
R718
1K 1/10W 1%
R731
56R 1/10W 1%
R704
100OHM1/16W
SMD/0402
Q706
BC847C
3
2
1
T
P
707
INVERTER_ON_OFF:
Normal: High
Stand_By: Low
R728
10K 1/10W
C722
560pF 50V
FB705
220R/2000mA
1
2
R719
1.5K +-1% 1/10W
R712
1K1/16W
FB704
220R/2000mA
1
2
C729
10uF 16V
R713
NC/1K1/16W
CN701
CONN
1
2
3
4
5
6
7
8
9
10
11
12
13
R701
22KOHM 1/10W
C711
100N 50V
L701
4.7uH
R711
22KOHM 1/10W
FB703
NC/220R/2000mA
1
2
R726
0R05 1/10W
C735
22uF 10V
R725
0R05 1/10W
C719
22uF 10V
Q703
AO6415
D
1
D
2
G
3
S
4
D
5
D
6
C724
22uF 10V
R720
3K 1/10W 1%
D702
FB340M
1
2
R703
NC/10KOHM +-5% 1/8W
U701
MP2212DN
FB
1
GND
2
IN
3
BS
4
VCC
5
SW
6
SW
7
EN/SY NC
8
Thermal Pad
9
R707
10K1/16W
C714
22uF 10V
+
C702
470UF 10V
C718
100N 50V
R727
0R05 4A 1/4W
FB701
120R/3000mA
1
2
FB707
220R/2000mA
1
2
C701
NC/22U 10V
C707
100N 50V
T
P
706
C716
100N 50V
C709
1UF16V
C721
22uF 10V
R721
10K 1/10W 1%
R733
5K1 1/10W 1%
C723
22uF 10V
U703
G1117T43Uf
VIN
3
VOUT
2
G
ND/A
D
J
1
R729
NC/0R05 1/4W
D703
BAS316
C726
22uF 10V
U702
MP2212DN
FB
1
GND
2
IN
3
BS
4
VCC
5
SW
6
SW
7
EN/SY NC
8
Thermal Pad
9
Q707
AON4421
D
1
D
2
D
3
G
4
S
5
D
6
D
7
D
8
R702 33K 1/10W
C725
1UF16V
R722
10K 1/10W 1%
T
P
705
R716
0R05 1/10W
D701
NC/SS3P4
1
2
C733
1UF16V
R705
2K7 1/16W 5%
R715
0R05 1/10W
C731
1uF 25V
AV33
Q702
BC847C
3
2
1
Q704
AON4421
D
1
D
2
D
3
G
4
S
5
D
6
D
7
D
8
C708
100N 16V
C727
1UF16V
C715
100N 50V
R714
4.7K1/16W
Q705
BC847C
FB706
220R/2000mA
1
2
C705
1UF16V
T
P
703
Q701
BC847C
3
2
1
C730
100N 16V
R724
47K1/16W
C732
10uF 25V
C712
10U 10V
T
P
701
R708
33K 1/10W
T
P
702
D704
BAS316
R710
1K1/16W
C713
22uF 10V
+5V_STB
+12V/5V
+5V_STB
+5V1_TUN
+5V_SW
STB_PWR5V
PWR_24V_16V
+5V_SW DV33
+5V_STB
+5V_STB
DV11
+5V_SW
+5V1_TUN
+24V_16V
PWR_24V_16V
DV33
BRIGHT_ADJ
STANDBY:
Normal: High
Stand_by: Low
AV33
+5V_SW
+12V/5V
5
DV18_DDR
DV33
DV18_DDR
9
+24V_16V
12,15
GND
5,6,7,8,9,10,11,12,13,14,15,16
BRIGHT_ADJ
16
STAND_BY
11
DV11
7
+5V_SW
8,10,11,12,13,14,15,16
OPWRSB
10
INVERTER_ON_OFF
16
DV33SB
5,10,13,14,15,16
DV33
5,6,7,8,10,11,14,15,16
+5V_STB
5,8,10,15
AV33
8,14,16
+5V1_TUN
5
EC080-35 も础
+5V_STB
BRIGHT_ADJ
STANDBY
+24V_16V
STB_PWR5V
SMD/0402
STANDBY:
Normal: Hight
Stand_by: Low
STANDBY
PW R_24_16V TO +24_16V BY STANDBY (Sound)
INVERTER_ON_OFF
SMD/0402
STANDBY
+5V1_TUN
INVERTER_ON_OFF
DV11(+5V_SW ON/OFF):
Norm al: High
Stand_By: Low
Vout=0.8x (1+31.5K/10K) = 3.32V for MP2212
EC080-35 も础
+
C734
100UF 25V
STANDBY
SMD/0402
+12V/5V
GND
Vout=1.25x (1+56/120)= 1.833V 
DV11
+5V_STB TO +5V_SW BY DV11
BRIGHT_ADJ:
Normal:Max:+3V3, Min:0V
Stand_By:0V
DV18_DDR
DV11
+5V_SW
DV33SB
SMD/0402
STANDBY:
Normal: High
Stand_by: Low
DC POWER INPUT
SMD/0402
OPWRSB
 LC-26SH330, LC-32SH330, LC-42SH330 
124 
02. POWER-2 
 
 
 
 
 
 
 
 
 
 
+12V
R753
+12V/5V
R751
DV33
AV12
NO
DV33SB
YES
YES
AV33
PANEL_VCC
NO
Panel VCC=12V or 5V
DV33 TO AV12
Vo=1.25 x (1+1R/120R) = 1.25V
+5V1_TUN
Vo=1.25 x (1+1R/120R) = 1.25V
PANEL_VCC_ON/OFF
+5V_TUNER
+5V_SW
PANEL_VCC_ON/OFF
SMD/0402
DV12
C755
4.7UF 10V
0.5((22K+20K+4K7)/4K7)=4.96V
+5V_TUNER FROM Regulator
+5V_STB TO DV33SB
+5V_STB
R753
NC/0R05 4A 1/4W
U755
SC4215HSETRT
NC
1
EN
2
VIN
3
NC
4
GND
8
FB
7
VO
6
NC
5
TH1
9
C756
100N 16V
R757
1 OHM 1/10W
R
761
4K7 OH
M
 1/
10
W
 1%
C759
NC/10U 10V
C768
10U 16V
C758
1UF16V
U753
G1117T43Uf
VIN
3
VOUT
2
G
ND/
A
D
J
1
R750
10K 1/10W
+
C752
100UF 16V
R
759
20K 1/
10W
 1%
R762
120R 1% 1/10W
R758
7K5 1/10W 5%
U754
G1117T63Uf
VIN
3
GN
D
1
VOUT
2
TH
4
FB750
NC/220R/2000mA
1
2
C765
1UF16V
R756
120R 1% 1/10W
C754
1UF16V
C767
10U 10V
R
760
22K 1
/10W
 1%
C769
10U 10V
R752
5.1K 1/10W
C757
NC/10U 10V
U751
G903T63UF
VIN
3
VOUT
2
GN
D
1
4
4
R763
1 OHM 1/10W
+
C753
100UF 16V
C764
10U 10V
Q750
AON4421
D
1
D
2
D
3
G
4
S
5
D
6
D
7
D
8
R755
10K 1/10W
C766
1UF16V
FB751
220R/2000mA
1
2
Q751
BC847C
R751
0R05 4A 1/4W
PANEL_VCC
+5V_STB
DV33SB
AV12
DV33
+12V/5V
DV12
DV33
+5V1_TUN
PANEL_VCC_ON/OFF
8
+5V_STB
+5V_TUNER
+12V/5V
4
+5V_SW
4,8,10,11,12,13,14,15,16
DV33
4,6,7,8,10,11,14,15,16
AV12
7,8,9,14,16
GND
4,6,7,8,9,10,11,12,13,14,15,16
+5V_STB
4,8,10,15
DV33SB
10,13,14,15,16
DV12
6
AV33
4,8,14,16
PANEL_VCC
16
DV18_DDR
4,9
+5V_TUNER
6
+5V1_TUN
4
DV18_DDR
DV33 TO DV12 for DVBC Demod
PANEL 
VCC
EC063-25-AI
EC063-25-AI
+5V
PANEL_VCC ON/OFF:(GPIO5)
Normal:High
Stand_By:Low
GND
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