Haier LT22M1CW, Service Manual

Page: 48 / 115

22”LCD TV Haier LT22M1CWA&LT22M1CW
48
AVDD33_XTAL
CN404
CONN
1
2
3
4
5
6
7
8
9
10
11
C493
4.7uF/10V
DV33
AVDD33_REG
Third-Tone Crystal
+5V
IIC ADDRESS "A0"
R487
NC/10K OHM 1/10W
C495
0.1UF16V
R469
NC/470K OHM 1/10W
56T 643 35 MAX809STRG(140ms)
HDMI_INT 13
+5V
R488 33 OHM 1/10W
+3V3SB_uP
KEY1
D403
SCS140V
1 2
High ON Low OFF
For OTS pull high
EDID_PRT
OXTALI
ZD411
UDZSNP5.6B
1
2
DV33
+3V3SB_uP
+3V3SB
ORESET#
56T 643 5B G690H293T73UF(140ms)
OXTALO
R461 10K OHM 1/10W
TURN_ON
R452
0 OHM 1/10W
+3V3SB
OSDA1 15
R
492
4.
7K
O
H
M
1/
10W
CEC 13,14
Q406
MMBT3904
R463
10K OHM 1/10W
CI_PDD4 20
KEY1_MT5335
R458
3.9K OHM 1/10W
C498
1uF/16V
+3V3SB_uP
Keypad
power
KEY2
Low Reset (Low--> High 3.3V)
CI_PDD6 20
PWRDET
ORESET#
R446
NC
+3V3SB
OSCL0 13,19
ORESET#
C491
4.7uF/10V
C452
NC/1000pF/25V
C499
0.1UF16V
U401B
MT5335PKU
207
208
209
59
60
210
211
212
214
215
216
204
205
63
62
191
202
203
72
92
91
76
75
90
89 71
87
88
148
149
150
151
152
147
144
143
146
145
GPIO_3
GPIO_4
GPIO_5
GPIO_6
GPIO_7
GPIO_8
GPIO_9
GPIO_10
GPIO_11
GPIO_12
GPIO_13
OSDA0
OSCL0
OSDA1
OSCL1
OPWM0
OPWM1
OPWM2
OPWRSB
OPCTRL0
OPCTRL1
OPCTRL2
OPCTRL3
OPCTRL4
OPCTRL5 ORESET_
C_XREG
AVDD33_REG
ADIN0
ADIN1
ADIN2
ADIN3
ADIN4
AVDD33_SRV
XTALI
XTALO
VCXO
AVDD33_XTAL
+3V3SB_uP
OPWM2 12,20
OSCL0
PWRDET
R454
1 OHM +-5% 1/10W
+3V3SB
FB408
BEAD
Q403
MMBT3904
EDID_PRT
KEY1_MT5335
R448
1K OHM 1/10W
uP default High
R495
NC
R
493
4.
7K
O
H
M
1/
10W
+3V3SB_uP
+3V3SB
CI_PDD7 20
CI_PDD3 20
KEY1 13
Q405
MMBT3906
R459
33 OHM 1/10W
+
C488
NC/220uF/10V
3.344V
C500
1uF/16V
ZD410
UDZSNP5.6B
1
2
OSDA0
C492
1uF/16V
C497
1000pF
+3V3SB_uP
BL_DIM 21
POWER_ON/OFF 21
KEY 1
CI_OEB 20
L401
0.82UH
R499
1.8K OHM 1% 1/10W
R466 0 OHM 1/10W
The divider only for A version IC
For OTS
CI_ALE 20
D401
NC/LL4148
C401
1000pF
U408
MAX809STRG
1
2
3
GN
D
RESET
VC
C
CI_CLE 20
R498
820 OHM 1% 1/10W
C494
1uF/16V
BL_ON/OFF 21
STANDBY 13
C_XREG
R497
NC
R4
64
4.
7K O
H
M
1/
10W
STANDBY
+5VSB
OSDA0 13,19
R449
NC/220 OHM 1/10W
Q408
NC/MMBT3904
R462
47K OHM 1/10W
+5VSB
TURN_ON 13
MTK_IC_RESET 20
R489
3.9K OHM 1/10W
U405
M24C16
1
2
3
4 5
6
7
8
NC
NC
NC
VSS SDA
SCL
WC
VCC
TXC
R450
NC/47K OHM 1/10W
SCART_FS_IN 6
AMP_MUTE 17
+3V3SB
+3V3SB
+3V3SB
C_XREG
R468
NC/470K OHM 1/10W
OSCL1 15
R456
10K OHM 1/10W
DV33
CI_POWE# 20
OSCL0
R467 0 OHM 1/10W
Pull high
潮伐
LED
C489
10pF
Y 401
60MHz
1 2
R460
1K OHM 1/10W
+3V3SB
AVDD33_XTAL
R420 NC
R444
10K OHM 1/10W
OXTALI
FB409
BEAD
FOR SPARK TEST
AVDD33_REG
KEY 2
High ON Low OFF
R447
NC/1K OHM 1/10W
C496
1000pF
+3V3SB
C501
0.1UF16V
CI_PDD5 20
R455
NC/0 OHM 1/10W
DV33
AVCC_SRV
Adjust the power on timing
OIRI 12,13
R427
3K OHM 1/10W
LVDSVDD_EN 7
OSDA0
R
465 4.
7K O
H
M
1/
10W
OPWM1 20
R486
NC/10K OHM 1/10W
CI_INT 20
R426
4.7K OHM 1/10W
FB410
BEAD
Lock Type
OXTALO
Q404
NC/MMBT3904
R453
NC/0 OHM 1/10W
C490
10pF
C441
NC/1000pF/25V
AVCC_SRV
R428
1K OHM 1/10W
R445
10K OHM 1/10W
uP default High