Haier LT26M1C, Service Manual

Page: 51 / 119

26”LCD TV Haier LT26M1CA&LT26M1C
51
TXC
CI_INT 20
The divider only for A version IC
1 2
D403
SCS140V
IIC ADDRESS "A0"
+3V3SB_uP
Keypad
power
ORESET#
TURN_ON
KEY 1_MT5335
R4
9
2 4
.7
K
O
H
M
1/
10W
+3V3SB_uP
High ON Low OFF
High ON Low OFF
Lock Type
R452
0 OHM 1/10W
Adjust the power on timing
FB408
BEAD
KEY 1
56T 643 5B G690H293T73UF(140ms)
56T 643 35 MAX809STRG(140ms)
Low Reset (Low--> High 3.3V)
FB409
BEAD
R497
NC
uP default High
uP default High
FB410
BEAD
3.344V
FOR SPARK TEST
R4
9
3 4
.7
K
O
H
M
1/
10W
C441
NC/1000pF/25V
R489
3.9K OHM 1/10W
C452
NC/1000pF/25V
ORESET#
EDID_PRT
BL_ON/OFF 21
R462
47K OHM 1/10W
R420 NC
For OTS pull high
R466 0 OHM 1/10W
R467 0 OHM 1/10W
1
2
3
4
5
6
7
8
9
10
11
CN404
CONN
+5VSB
R460
1K OHM 1/10W
AVDD33_REG
+3V3SB_uP
PWRDET
AVDD33_REG
AVCC_SRV
R455
NC/0 OHM 1/10W
R453
NC/0 OHM 1/10W
KEY 1 KEY1_MT5335
R454
1 OHM +-5% 1/10W
GPIO_3
207
GPIO_4
208
GPIO_5
209
GPIO_6
59
GPIO_7
60
GPIO_8
210
GPIO_9
211
GPIO_10
212
GPIO_11
214
GPIO_12
215
GPIO_13
216
OSDA0
204
OSCL0
205
OSDA1
63
OSCL1
62
OPWM0
191
OPWM1
202
OPWM2
203
OPWRSB
72
OPCTRL0
92
OPCTRL1
91
OPCTRL2
76
OPCTRL3
75
OPCTRL4
90
OPCTRL5
89
ORESET_
71
C_XREG
87
AVDD33_REG
88
ADIN0
148
ADIN1
149
ADIN2
150
ADIN3
151
ADIN4
152
AVDD33_SRV
147
XTALI
144
XTALO
143
VCXO
146
AVDD33_XTAL
145
U401B
MT5335PKU
KEY 1 13
+3V3SB_uP
PWRDET
OXTALI
+5VSB
OXTALO
R426
4.7K OHM 1/10W
+3V3SB
+3V3SB
Third-Tone Crystal
+5V
AVDD33_XTAL
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
C
A3
9 22 Friday , April 11, 2008
715T2848-H
< 称爹 >
MT5335 Control/IR/LED/Key
T2848-H-X-X-2-032408
R495
NC
Q405
MMBT3906
OSDA0
OSCL0
AVDD33_XTAL
OXTALI
R428
1K OHM 1/10W
OSCL0
+5V
C492
1uF/16V
STANDBY
OXTALO
R427
3K OHM 1/10W
GN
D
1
RESET
2
VC
C
3
U408
MAX809STRG
AVCC_SRV
KEY 2
1
2
ZD410
UDZSNP5.6B
ORESET#
1
2
ZD411
UDZSNP5.6B
C491
4.7uF/10V
C493
4.7uF/10V
R4
6
5
4.
7K
O
H
M
1/
10
W
C494
1uF/16V
R456
10K OHM 1/10W
L401
0.82UH
C489
10pF
Q406
MMBT3904
R459
33 OHM 1/10W
Q403
MMBT3904
C499
0.1UF16V
1 2
Y401
60MHz
R469
NC/470K OHM 1/10W
R463
10K OHM 1/10W
C401
1000pF
C_XREG
R449
NC/220 OHM 1/10W
C497
1000pF
Q404
NC/MMBT3904 C490
10pF
R444
10K OHM 1/10W
R445
10K OHM 1/10W
NC
1
NC
2
NC
3
VSS
4
SDA
5
SCL
6
WC
7
VCC
8
U405
M24C16
+3V3SB
R447
NC/1K OHM 1/10W
+
C488
NC/220uF/10V
+3V3SB
R450
NC/47K OHM 1/10W
C495
0.1UF16V
C501
0.1UF16V
C496
1000pF
R468
NC/470K OHM 1/10W
R446
NC
C500
1uF/16V
R448
1K OHM 1/10W
C498
1uF/16V
R461 10K OHM 1/10W
R4
6
4
4.
7K
O
H
M
1/
10
W
D401
NC/LL4148
DV33
DV33
+3V3SB
+3V3SB
+3V3SB
DV33
+3V3SB
DV33
+3V3SB_uP
SCART_FS_IN 6
CI_PDD5 20
CI_PDD6 20
CI_PDD3 20
CI_PDD4 20
CI_POWE# 20
CI_PDD7 20
CI_OEB 20
CEC 13,14
CI_ALE 20
CI_CLE 20
POWER_ON/OFF 21
OSDA0 13,19
OSCL0 13,19
AMP_MUTE 17
OPWM1 20
BL_DIM 21
OIRI 12,13
STANDBY 13
EDID_PRT
OPWM2 12,20
OSDA1 15
OSCL1 15
TURN_ON 13
HDMI_INT 13
MTK_IC_RESET 20
LVDSVDD_EN 7
+3V3SB
C_XREG
R487
NC/10K OHM 1/10W
+3V3SB
R486
NC/10K OHM 1/10W
Q408
NC/MMBT3904
+3V3SB_uP
R498
820 OHM 1% 1/10W
R499
1.8K OHM 1% 1/10W
R458
3.9K OHM 1/10W
OSDA0
For OTS
R488 33 OHM 1/10W
KEY 2