Sharp LC-42SB45U Service Manual

LC-42SB45U
73
9.CEC MCU
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
A A
B B
C C
D D
E E
F F
G G
H H
CEC_MCU ISP
RESET_CECMCU: from LOW to HIGH
(CEC MCU Reset)
CEC_PWR:
Low: Turn on DV33SB(MT538X uP VCC)
High: Turn off DV33SB
0402/SMD
CEC_INT:
HIGH: NO interrupt
LOW: CEC MCU INTERRUPT MT538X
0402/SMD
0402/SMD
0402/SMD
0402/SMD
0402/SMD
0402/SMD
RS232_for SW debug
0402/SMD
0402/SMD
LED_G#:
Enable: Low
Disable(Stand_By): High
LED_R#:
Enable(Stand_By): High
Disable: Low
AMP Power_UP:
HIGH:Audio AMP Power Off
LOW: Audio Power On
0402/SMD
0402/SMD
0402/SMD
0402/SMD
0402/SMD
Reserved for OTS42"
Reserved for OTS42"
NEW PARTS
Reserved
Reserved
CN500 B2
C505 F4
C506 G4
C508 E6
C511 E6
C512 D6
FB500 E5
Q500 G2
Q501 E2
Q502 E2
Q505 A6
Q506 B6
Q507 F2
Q508 F3
Q509 F8
Q510 G8
R505 B3
R506 B3
R507 F4
R508 E3
R509 F2
R510 E7
R511 D6
R512 F4
R513 B3
R514 E4
R515 E4
R516 F4
R517 G6
R518 E4
R519 F6
R520 E4
R521 F4
R522 F6
R523 F4
R524 F6
R525 F6
R526 E3
R527 G4
R528 F6
R529 F6
R530 E7
R531 B3
R532 E7
R533 F2
R534 E2
R535 E8
R536 D6
R537 E7
R538 A6
R539 B6
R540 F3
R541 F3
R542 A7
R543 F4
R544 G6
R545 E7
R546 G9
R547 E3
R548 F6
R549 B7
R601 B6
R602 C6
TP501 B2
TP502 B2
U500 E5
U501 D6
X500 G4
uP_SCL1
uP_SDA1
KEY_UP_DN
DC_SWITCH
MAIN_SCL
MAIN_SDA
+3V3SB
LED_W#
RC6
HDMI_CEC
CEC_PWR
LED_R#
CEC_INT
+5V_STB
VGA_HIN
VGA_VIN
DV33SB
RESET_CECMCU
INT_CEC
CEC_INT
RESET_CECMCU
DC_SWITCH
RESET_CECMCU
MAIN_SDA
MAIN_SCL
KEY_UP_DN
RC6_CECRC6
LED_R#
CEC_LED_R
CEC_LED_G HDMI_CEC
LED_W#
TXD_CEC
CEC_PWR
VGA_VIN
VGA_HIN
RXD_CEC
uP_SDA2
uP_SCL2
CEC_Audio_Power
Audio_Power_UP
Audio_Power_UP
RXD_CEC
U0TXTXD_CEC
uP_SDA1
uP_SCL1
U0RX
TXD_CEC
RXD_CEC
KEY_UP_DN5,7
DC_SWITCH5,7
MAIN_SCL5
MAIN_SDA5
+3V3SB1,2
LED_W#7
RC67,8
HDMI_CEC5,12
CEC_PWR1
LED_R#7
GND1,2,3,4,5,6,7,8,10,11,12,13,14
CEC_INT5
+5V_STB1,2,7,8
VGA_HIN10
VGA_VIN10
DV33SB1,5,7,12,13
Audio_Power_UP13
U0RX 7
U0TX 7
TXD_CEC7
RXD_CEC7
+3V3SB +3V3SB
+3V3SB
+3V3SB
+3V3SB
+3V3SB
+5V_STB
DV33SB
DV33SB
+3V3SB
DV33SB
DV33SB
DV33SB
+3V3SB
DV33SB
DV33SB
DV33SB
Q505
NC/2N7002
R516 33R 1/16W 5%
R513
NC/4K7 1/16W 5%
R548 33R 1/16W 5%
R542
4K7 1/16W 5%
R540 NC/0R05 1/16W
R521 33R 1/16W 5%
C508
NC/100N 16V
R518 33R 1/16W 5%
FB500
NC/220R/400mA
1 2
R523 33R 1/16W 5%
R538 0R05 1/16W
R514
NC/4K7 1/16W 5%
R507 NC/33R 1/16W 5%
Q510
NC/MUN2211TIG
U501
NC/LM809M3X-2.93
1
2
3
GND
RESET
Vcc
R519 33R 1/16W 5%
R531
NC/4K7 1/16W 5%
R601 0R05 1/16W
R547
NC/4K7 1/16W 5%
R517 33R 1/16W 5%
R537
NC/4K7 1/16W 5%
R520 33R 1/16W 5%
R536 NC/10K 1/10W 5%
R511
NC/100K 1/16W 5%
R544 33R 1/16W 5%
R530
NC/3K9 1/16W 1%
R512 33R 1/16W 5%
R545
NC/4K7 1/16W 5%
R510
NC/4K7 1/16W 5%
Q507
NC/MUN2211TIG
R526
NC/4K7 1/16W 5%
R534
NC/10K 1/16W 5%
R515
NC/10K 1/16W 5%
R506 NC/33R 1/16W 5%
TP501
1
R525 33R 1/16W 5%
C506 NC/27P 50V
R535
NC/4K7 1/16W 5%
Q502
NC/2N7002
Q509
NC/2N7002
R529 33R 1/16W 5%
R505 NC/33R 1/16W 5%
R522 33R 1/16W 5%
Q501
NC/2N7002
X500
NC/12MHZ
1
2
CN500
NC/63383 3P 2.0mm
1
2
3
TP502
1
R533 NC/10K 1/16W 5%
R539 0R05 1/16W
C505 NC/27P 50V
R549
4K7 1/16W 5%
R509
NC/10K 1/10W
R508
NC/10K 1/16W 5%
R524 33R 1/16W 5%
U500
NC/WT61P7-LQFP44
21
22
23
24
25
26
5
6
7
8
9
10
11
35
36
3
12
13
14
15
43
16
17
18
19
28
29
30
31
32
34
33
40
39
27
38
4
44
20
37
42
41
2
1
DSCL1
GPIOA5/DSDA2
GPIOA4/DSCL2
GPIOA3/P03
GPIOA2/P02
GPIOA1/P01
GPIOB6/SSDA
GPIOB5/SSCL
GPIOB4/P05
GPIOB3/P04
GPIOB2/IR
GPIOB1/IRQ3
GPIOB0/IRQ2
GPIOD0/HIN1
GPIOE7/VIN1
OSCO
GPIOC7/P17/IRQ1
GPIOC6/P16/IRQ0
GPIOC5/P15/TXD1
GPIOC4/P14/RXD1
NRST
GPIOC3/AD3
GPIOC2/AD2
GPIOC1/AD1
GPIOC0/AD0
GPIOD7/RXD2
GPIOD6/TXD2
GPIOD5/P13
GPIOD4/P12
GPIOD3/P11
GPIOD1/HIN2
GPIOD2/P10
GPIOE3/LPWM/PWMA2
GPIOE4/P06
GPIOA0/P00
GPIOE5/P07
OSCI
GPIOE0
DSDA1
GPIOE6/VIN2
GPIOE1/PWM0/PWMA0
GPIOE2/PWM1/PWMA1
GND VDD33V
R527
NC/33R 1/16W 5%
Q500
NC/2N7002
R546NC/4K7 1/16W 5%
R541 NC/0R05 1/16W
R528 33R 1/16W 5%
Q508
NC/MUN2211TIG
+ C511
NC/47uF 25V
R532
NC/4K7 1/16W 5%
R602
0R05 1/16W
R543 33R 1/16W 5%
C512
NC/4.7UF 10V
Q506
NC/2N7002

Sharp LC-42SB45U Specifications

General

Brand	Sharp
Model	LC-42SB45U
Category	LCD TV
Language	English