Haier LT42M1CF, Руководство по обслуживанию

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42”LCD TV Haier LT42M1CFA&LT42M1CF
52
R471 NC/33R 1/16W 5%
0402/SMD
AUDIO_PWR_UP
R473 NC/33R 1/16W 5%
R451 NC/33R 1/16W 5%
MAIN_SDA 5,7
DV33SB
GND 2,3,4,5,6,7,8,9,10,11,13,14,15,16,17,18
0402/SMD
CEC_PWR
Q458
NC/MUN2211TIG
R4
5
8
N
C
/4
K
7
1/
16
W
5%
0402/SMD
HDMI_CEC
U0TX 10,14
MAIN_SDA
RESET_CECMCU: from LOW to HIGH
(CEC MCU Reset)
+3V3SB
R4
5
5
N
C
/10
K
1/
16
W
5%
E428M2NBW9H3N 1
Haier 42" MAIN BOARD Custom
12 19 Friday , April 11, 2008
715T2913-1
< 称爹 >
12. CEC MCU
T2913-1-Haier42
OEM MODEL Size
Rev
Date
Sheet of
TPV MODEL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
LED_G# 10
U0TX
Q459
NC/BC847C
R452
NC/33R 1/16W 5%
MAIN_SCL
KEY_UP_DN_DCSW
CEC_INT 7
KEY_UP_DN_DCSW
R4
81
NC
/0
R0
5
1
/1
6
W
0402/SMD
MAIN_SCL
0402/SMD
R4
79
N
C
/1
0K
1/
16
W
5%
DV33SB 2,6,7,10,16,17,18
R4
8
2
N
C
/4K
7
1/
16
W
5%
R487
NC/4K7 1/16W 5%
Q455
NC/MUN2211TIG
R457 NC/33R 1/16W 5%
DV33SB
HDMI_CEC
RXD_CEC
R4
75
N
C
/4
K7
1/
16
W
5%
04
02
/S
MD
LED_G
DV33SB
+3V3SB
DV33SB
Q457
NC/2N7002
U450
NC/WT6702F_SS200
2
1
7
6
9
11
3
13
12
8
4
14
17
18
5
10
19
20
15
16
32KOSCI
32KOSCO
TXD/IRQ2/GPIOB6
RXD/IRQ3/GPIOB7
VIN/GPIOB4
GPIOB1/SDA2
VS
S
GPIOA7/SDA1
GPIOB0/SCL2
HIN/GPIOB5
NRST
GPIOA6/SCL1
GPIOA3/AD3/IR
GPIOA0/AD0
PWM1/GPIOC1
IRQ1/P1.3/GPIOB3
VD
D
VDD_RTC
GPIOA5/SDA3/P1.1
GPIOA4/SCL3/P1.0
RS232_for debug
X450
NC/32.768KHz
1 2
R450 NC/33R 1/16W 5%
CN450 B2 CN451 E2
C450 E4 C451 E5
C452 F8 C453 D6
C456 D6 C457 B7
FB450 C6 Q450 E10
Q451 F10 Q452 G10
Q455 G8 Q456 F9
Q457 G10 Q458 F7
Q459 G8 R450 B3
R451 B3 R452 D5
R453 E10 R454 E10
R455 D8 R456 C7
R457 F4 R458 A3
R459 E3 R460 E7
R461 E7 R462 E5
R463 E7 R464 E5
R465 E3 R466 E9
R467 E5 R468 E7
R469 E5 R470 E7
R471 E5 R472 E7
R473 F7 R474 D8
R475 A3 R476 D8
R477 E3 R478 E10
R479 G8 R480 B6
R481 G8 R482 D8
R485 G7 R486 F6
R487 F7 U450 E5
U451 C6 X450 D4
04
02
/S
MD
DV33SB
R478
NC/10K 1/16W 5%
RC6
04
02
/S
MD
R4
7
7
N
C
/4
K7
1/
16
W
5%
+3V3SB
R460 NC/33R 1/16W 5%
Q452
NC/2N7002
uP_SDA
CEC_INT
Q450
NC/2N7002
C4
51
N
C
/2
2P
5
0V
+3V3SB
TXD_CEC
R463 NC/33R 1/16W 5%
LED_G#:
Enable: Low
Dis able(Stand_By): High
+3V3SB
VGA_HIN
040
2/S
M
D
+3V3SB
VGA_HIN
R485
NC/4K7 1/16W 5%
0402/SMD
RESET_CECMCU
04
02/
SM
D
+ C456
NC/47uF 16V
0402/SMD
R4
6
5
N
C
/4
K7
1/
16
W
5%
+3V3SB
RC6
R4
5
9
N
C
/4
K7
1/
16
W
5%
CEC_MCU ISP
RESET_CECMCU
C453
NC/100N 16V
The item of this page start from "450"
LED_R#_DRIVE
+5V_STB
R454
NC/10K 1/10W
MAIN_SCL 5,7
R486
NC/4K7 1/16W 5%
RESET_CECMCU
+3V3SB
U0RX 10,14
VGA_VIN
R480
NC/10K 1/10W 5%
R4
7
4
N
C
/10
K
1/
16
W
5%
uP_SDA
CEC_PWR
LED_R#
R456
NC/100K 1/16W 5%
+3V3SB 2,3
U451
NC/LM809M3X-2.93
1
2
3
GND
RESET
Vcc
SMD
C452
NC/1N 50V
LED_R#:
Enable(Stand_By): Low
Dis able: High
LED_G#
CN451
NC/63383 3P 2.0mm
1
2
3
R453
NC/4K7 1/16W 5%
R466
NC/0R05 1/16W
+3V3SB
CN450
NC/63383 3P 2.0mm
1
2
3
RC6_CEC
R468 NC/33R 1/16W 5%
0402/SMD
04
02
/S
MD
L
E
D_
G
#
_D
RI
V
E
NEAR ZD701
LED_G
R461 NC/33R 1/16W 5%
LED_G 7,10
uP_SCL
LED_G#
R467 NC/33R 1/16W 5%
FB450
NC/220R/400mA
1 2
R462 NC/33R 1/16W 5%
uP_SCL
GND
Q456
NC/MUN2211TIG
04
02
/S
MD
+5V_STB
Q451
NC/2N7002
AUDIO_PWR_UP 17
U0RX
R4
7
6
N
C
/3K
9
1/
16
W
5%
LED_R# 10
+5V_STB 2,3,10
MAIN_SDA
VGA_VIN
R464 NC/33R 1/16W 5%
AUDIO_PWR_UP:
AUDIO AMP PWR ON: High
AUDIO AMP PWR OFF: Low
CEC_PWR 2
R470 NC/33R 1/16W 5%
C450
N
C
/2
2P
5
0V
0402/SMD
HDMI_CEC 7,16
KEY_UP_DN_DCSW 7,10
LED_R#
0402
/S
M
D
R469 NC/33R 1/16W 5%
CEC_PWR:
Low: Turn on power s witch of DV33SB(MT538X uP VCC)
0402/SMD
+3V3SB
RC6 10
INT_CEC R472 NC/33R 1/16W 5%
C457
NC/4.7UF 10V
VGA_HIN 14
VGA_VIN 14
CEC_INT
AUDIO_PWR_UP