Haier LT32M1CA, Руководство по обслуживанию

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32
”LCD TV Haier LT32M1CA&LT32M1C
53
R
475
N
C
/4K7
1/
16W
5%
R480 NC/10K 1/10W 5%
0402/SMD
+3V3SB
RC6 9
0402/SMD
RESET_CECMCU
LED_G#:
Enable: Low
Disable(Stand_By): High
LED_R#:
Enable(Stand_By): Low
Disable: High
+3V3SB
+5V_STB
Q459
NC/BC847C
R454
NC/10K 1/10W
U0RX 9,13
R466
NC/0R05 1/16W
R468 NC/33R 1/16W 5%
0402/SMD
Q457
NC/2N7002
HDMI_CEC
+5V_STB
MAIN_SCL 4,6
CEC_PWR
CEC_PWR:
Low: Turn on power switch of DV33SB(MT538X uP VCC)
+3V3SB
KEY _UP_DN_DCSW
AUDIO_PWR_UP
R486
NC/4K7 1/16W 5%
Q455
NC/MUN2211TIG
0402/SMD
+3V3SB
CEC_PWR 1
LED_R# 9
DV33SB
R456
NC/100K 1/16W 5%
NEAR ZD701
VGA_VIN
0402/SMD
0402/SMD
LED_G# 9
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
VSS
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
R451 NC/33R 1/16W 5%
U451
NC/LM809M3X-2.93
1
2
3
GND
RESET
Vcc
0402/SMD
RC6
CEC_INT
LED_R#_DRIVE
C452
NC/1N 50V
+3V3SB
0402/SMD
+3V3SB
TXD_CEC
R450 NC/33R 1/16W 5% LED_G#
DV33SB
LED_G#
R485
NC/4K7 1/16W 5%
CN451
NC/63383 3P 2.0mm
1
2
3
R
481
N
C
/0R
05
1/
16W
KEY _UP_DN_DCSW
X450
NC/32.768KHz
1 2
0402/SMD
LED_G 6,9
U0RX
CEC_MCU ISP
FB450
NC/220R/400mA
1 2
DV33SB
R
479
N
C
/10K
1/
16W
5%
C457
NC/4.7UF 10V
R460 NC/33R 1/16W 5%
MAIN_SDA 4,6
uP_SDA
C451
N
C
/22P
50V
R
482
N
C
/4K7
1/
16W
5%
+5V_STB 1,2,9
R462 NC/33R 1/16W 5%
VGA_VIN 13
uP_SDA
uP_SCL
CEC_PWR
INT_CEC
C450
N
C
/22P
50V
VGA_VIN
+3V3SB 1,2
LED_R#
RS232_for debug
+3V3SB
RESET_CECMCU
R
455
N
C
/10K
1/
16W
5%
HDMI_CEC
AUDIO_PWR_UP
R470 NC/33R 1/16W 5%
0402/SMD
VGA_HIN
DV33SB 1,5,6,9,15,16,17
R452 NC/33R 1/16W 5%
0402/SMD
R471 NC/33R 1/16W 5%
VGA_HIN
R467 NC/33R 1/16W 5%
Q458
NC/MUN2211TIG
0402/SMD
0402/SMD
RESET_CECMCU: from LOW to HIGH
(CEC MCU Reset)
LED_R#
R
465
N
C
/4K7
1/
16W
5%
AUDIO_PWR_UP 16
uP_SCL
MAIN_SCL
R473 NC/33R 1/16W 5%
Q450
NC/2N7002
The item of this page start from "450"
Q456
NC/MUN2211TIG
DV33SB
KEY _UP_DN_DCSW 6,9
GND
DV33SB
MAIN_SCL
R
458
N
C
/4K7
1/
16W
5%
0402/SMD
RXD_CEC
R469 NC/33R 1/16W 5%
GND 1,2,3,4,5,6,7,8,9,10,12,13,14,15,16,17
+3V3SB
CEC_INT 6
MAIN_SDA
R461 NC/33R 1/16W 5%
R
459
N
C
/4K7
1/
16W
5%
LED
_G#_D
R
IVE
R464 NC/33R 1/16W 5%
CEC_INT
C453
NC/100N 16V
+3V3SB
R453
NC/4K7 1/16W 5%
SMD
1
Custom
12 19 Monday , April 14, 2008
715T2913-1
<
称爹
>
12. CEC MCU
T2913-1-HISENSE32-080229
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
R487
NC/4K7 1/16W 5%
CN450
NC/63383 3P 2.0mm
1
2
3
HDMI_CEC 6,15
R457 NC/33R 1/16W 5%
U0TX
VGA_HIN 13
MAIN_SDA
R
477
N
C
/4K7
1/
16W
5%
0402/SMD
U0TX 9,13
Q451
NC/2N7002
+ C456
NC/47uF 16V
+3V3SB
0402/SMD
RC6_CEC
R
474
N
C
/10K
1/
16W
5%
LED_G
RESET_CECMCU
R478 NC/10K 1/16W 5%
R463 NC/33R 1/16W 5%
0402/SMD
RC6
LED_G
0402/SMD
R
476
N
C
/3K9
1/
16W
5%
R472 NC/33R 1/16W 5%
Q452
NC/2N7002
AUDIO_PWR_UP:
AUDIO AMP PWR ON: High
AUDIO AMP PWR OFF: Low