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42"LCD TV
CN450
0402/SMD
1
R450
NC/33R 1/16W 5%
2
R451
NC/33R 1/16W 5%
3
0402/SMD
NC/63383 3P 2.0mm
CEC_MCU ISP
CN451
CEC_PWR
1
RXD_CEC
2
3
TXD_CEC
VGA_HIN
VGA_VIN
HDMI_CEC
NC/63383 3P 2.0mm
RS232_for debug
+3V3SB
uP_SCL
uP_SDA
RESET_CECMCU: from LOW to HIGH
(CEC MCU Reset)
CEC_PWR:
Low: Turn on power s witch of DV33SB(MT538X uP VCC)
+3V3SB
X450
R452
0402/SMD
NC/33R 1/16W 5%
1
2
C450
NC/32.768KHz
RESET_CECMCU
R462
NC/33R 1/16W 5%
R464
NC/33R 1/16W 5%
R467
NC/33R 1/16W 5%
R469
NC/33R 1/16W 5%
R471
NC/33R 1/16W 5%
R457
NC/33R 1/16W 5%
0402/SMD
NEAR ZD701
AUDIO_PWR_UP:
AUDIO AMP PWR ON: High
AUDIO AMP PWR OFF: Low
R480
NC/10K 1/10W 5%
RESET_CECMCU
C457
NC/4.7UF 10V
U451
2
RESET_CECMCU
RESET
3
Vcc
1
GND
R456
NC/100K 1/16W 5%
NC/LM809M3X-2.93
0402/SMD
+3V3SB
FB450
1
2
NC/220R/400mA
C453
+
C456
NC/100N 16V
NC/47uF 16V
0402/SMD
SMD
U450
0402/SMD
1
20
32KOSCO
VDD_RTC
2
18
R460
NC/33R 1/16W 5%
32KOSCI
GPIOA0/AD0
4
17
R461
NC/33R 1/16W 5%
NRST
GPIOA3/AD3/IR
5
16
R463
NC/33R 1/16W 5%
PWM1/GPIOC1
GPIOA4/SCL3/P1.0
6
15
RXD/IRQ3/GPIOB7
GPIOA5/SDA3/P1.1
7
14
R468
NC/33R 1/16W 5%
TXD/IRQ2/GPIOB6
GPIOA6/SCL1
8
13
R470
NC/33R 1/16W 5%
HIN/GPIOB5
GPIOA7/SDA1
9
12
R472
NC/33R 1/16W 5%
VIN/GPIOB4
GPIOB0/SCL2
10
11
R473
NC/33R 1/16W 5%
IRQ1/P1.3/GPIOB3
GPIOB1/SDA2
0402/SMD
NC/WT6702F_SS200
R487
+3V3SB
AUDIO_PWR_UP
NC/4K7 1/16W 5%
DV33SB
R486
NC/4K7 1/16W 5%
Q458
NC/MUN2211TIG
LED_G#
LED_G#:
R485
LED_G
Enable: Low
NC/4K7 1/16W 5%
Dis able(Stand_By): High
52
Haier LT42M1CFA<42M1CF
7,10
KEY _UP_DN_DCSW
2,3,10
+5V_STB
2,3
+3V3SB
7,16
HDMI_CEC
2
CEC_PWR
5,7
MAIN_SCL
5,7
MAIN_SDA
10
LED_G#
10
RC6
10
LED_R#
7,10
LED_G
2,6,7,10,16,17,18
DV33SB
2,3,4,5,6,7,8,9,10,11,13,14,15,16,17,18
GND
10,14
U0TX
10,14
U0RX
LED_R#:
14
VGA_HIN
Enable(Stand_By): Low
14
VGA_VIN
Dis able: High
7
CEC_INT
+3V3SB
17
AUDIO_PWR_UP
R453
NC/4K7 1/16W 5%
KEY _UP_DN_DCSW
RC6_CEC
LED_R#_DRIVE
uP_SCL
uP_SDA
INT_CEC
C452
Q456
NC/1N 50V
NC/MUN2211TIG
+3V3SB
Q451
NC/2N7002
Q455
NC/MUN2211TIG
Q452
NC/2N7002
Q459
NC/BC847C
Q457
NC/2N7002
The item of this page start from "450"
T P V ( Top
Victory
Electronics
Co . ,
Ltd. )
OEM MODEL
Haier 42" MAIN BOARD
絬 隔 瓜 絪 腹
T2913-1-Haier42
TPV MODEL
E428M2NBW9H3N
12. CEC MCU
PCB NAME
Key Component
715T2913-1
Friday , April 11, 2008
Sheet
12
Date
CN450 B2
CN451 E2
KEY_UP_DN_DCSW
C450 E4
C451 E5
+5V_STB
C452 F8
C453 D6
+3V3SB
C456 D6
C457 B7
HDMI_CEC
FB450 C6
Q450 E10
Q451 F10 Q452 G10
CEC_PWR
Q455 G8
Q456 F9
MAIN_SCL
Q457 G10 Q458 F7
MAIN_SDA
Q459 G8
R450 B3
LED_G#
R451 B3
R452 D5
R453 E10 R454 E10
RC6
R455 D8
R456 C7
LED_R#
R457 F4
R458 A3
LED_G
R459 E3
R460 E7
DV33SB
R461 E7
R462 E5
R463 E7
R464 E5
GND
R465 E3
R466 E9
U0TX
R467 E5
R468 E7
R469 E5
R470 E7
U0RX
R471 E5
R472 E7
R473 F7
R474 D8
VGA_HIN
VGA_VIN
R475 A3
R476 D8
R477 E3
R478 E10
CEC_INT
R479 G8
R480 B6
AUDIO_PWR_UP
R481 G8
R482 D8
R485 G7
R486 F6
R487 F7
U450 E5
U451 C6
X450 D4
+3V3SB
+3V3SB
+5V_STB
R454
NC/10K 1/10W
Q450
NC/2N7002
RC6
R478
NC/10K 1/16W 5%
R466
+3V3SB
NC/0R05 1/16W
0402/SMD
0402/SMD
LED_R#
DV33SB
MAIN_SCL
DV33SB
MAIN_SDA
DV33SB
CEC_INT
Size
Custom
Rev
1
称爹
<称爹>
of
19
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