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Haier 42EP25BAT Service page 33

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LX_VCC_33
FB24
150_Ohm_600mA
VCC_FLASH
C268
0.1uF
FLASH_CE1
LX_FRA18
U69
LX_FRA0
12
A0
13
LX_FRD0
LX_FRA1
11
A1
Q0
LX_FRA2
10
14
LX_FRD1
A2
Q1
15
LX_FRD2
LX_FRA3
9
512K x8
A3
Q2
17
LX_FRD3
LX_FRA4
8
A4
Q3
FLASH
LX_FRA5
7
18
LX_FRD4
A5
Q4
LX_FRA6
6
19
LX_FRD5
Q5
A6
20
LX_FRD6
LX_FRA7
5
PLCC32
Q6
A7
LX_FRA8
27
21
LX_FRD7
A8
Q7
LX_FRA9
26
A9
EEPROM_512Kx8
VCC_FLASH
R246
4.7K
Pin 2 & 3 - EEPROM Bootup: CE1 & CE2
pull up.
LX_FRA[25] pull low (8-bit
data bus)
Pin 1 & 2 - Flash Bootup: CE1 connects
to LX_ROM_CE#, CE2 pull up.
LA_FRA[25] pull high (16-bit data bus)
VCC_FLASH
32
C325
C326
LX_FRA1
28
+
LX_FRA2
27
22uF
0.1uF
LX_FRA3
26
LX_FRA4
25
LX_FRA5
24
LX_FRA6
23
LX_FRA7
22
LX_FRA8
20
LX_FRA9
19
LX_FRA10
18
R222
0
R244_F
LX_FRA11
17
LX_FRA12
13
R223
0_DNS
LX_ROM_CE#
LX_FRA13
12
LX_FRA14
11
LX_FRA15
10
LX_FRA16
8
VCC_FLASH
LX_FRA17
7
LX_FRA18
6
LX_FRA19
5
R244
LX_FRA20
4
LX_FRA21
3
CON27
4.7K
LX_FRA22
1
HEADER_3x1
LX_FRA23
30
R244_F
3
2
LX_FLASH_CE#
14
1
2
FLASH_CE1
R245
4.7K
29
VCC_FLASH
LX_ROM_CE#
LX_FOE#
54
LX_FWE#
55
RST_HD#
R207
0
LX_FLASH_RESET#
16
R208
4.7K
LX_FLASH_BYTE#
31
VCC_FLASH
R209
1K
LX_FLASH_VPEN
15
VCC_FLASH
R210
0_DNS
VCC_FLASH
R2256
10
C328
C327
+
10uF
0.1uF
U27
24LC64
1
8
A0
VCC
2
7
R254
A1
WP
3
6
A2
SCL
4
5
GND
SDA
C329
100pF_DNS
I2C address: C0/C1
-
U20
33
LX_FRD0
A0
DQ0
35
LX_FRD1
A1
DQ1
38
LX_FRD2
DQ2
A2
40
LX_FRD3
A3
DQ3
44
LX_FRD4
A4
DQ4
46
LX_FRD5
A5
DQ5
49
LX_FRD6
A6
DQ6
51
LX_FRD7
A7
DQ7
A8
34
LX_FRD8
A9
DQ8
36
LX_FRD9
A10
DQ9
39
LX_FRD10
A11
DQ10
41
LX_FRD11
A12
DQ11
45
LX_FRD12
A13
DQ12
47
LX_FRD13
A14
DQ13
50
LX_FRD14
A15
DQ14
52
LX_FRD15
A16
DQ15
A17
A18
A19
VCC_FLASH
A20
A21
A22
53
LX_FLASH_STS
R206
2.5K
A23
STS
56
CE0
NC
VCC_FLASH
CE1
CE2
9
VCC
37
OE#
VCC
WE#
VCC_FLASH
43
VCCQ
RP#
21
BYTE#
VSS
42
C270
C271
C272
VSS
48
VPEN
VSS
0.1uF
0.1uF
0.1uF
Flash_8Mx16
WP: H protect
0
LX_PG1
11
R257
100
SCL_MST
5,6,9,11,18,20,21
R260
100
SDA_MST
5,6,9,11,18,20,21
C330
100pF_DNS
RST_HD#
10, 20,21 L X_FRA[0..25]
10,13,19
LX_FOE#
10
LX_FRD[0..15]
10,19
LX_FWE#
10
LX_FLASH_CE#
11
LX_ROM_CE#
11
10
LX_VD[0..23]
RN112
33x4
LX_VD0
1
8
LX_VD1
2
7
LX_VD2
3
6
LX_VD3
4
5
RN53
33x4
LX_VD4
1
8
LX_VD5
2
7
LX_VD6
3
6
LX_VD7
4
5
RN54
33x4
LX_VD8
1
8
LX_VD9
2
7
LX_VD10
3
6
LX_VD11
4
5
RN55
33x4
LX_VD12
1
8
LX_VD13
2
7
LX_VD14
3
6
LX_VD15
4
5
RN56
33x4
LX_VD16
1
8
LX_VD17
2
7
LX_VD18
3
6
LX_VD19
4
5
RN57
33x4
LX_VD20
1
8
LX_VD21
2
7
LX_VD22
3
6
LX_VD23
4
5
HAIER ATSC EX62 V2.0
Title
HDA008A_2.0
Size
Document Number
B
HiDTV_LX ROM Flash
Date:
Tuesday, February 28, 2006
DIN[0..23]
5,6
DIN0
DIN1
DIN2
DIN3
DIN4
DIN5
DIN6
DIN7
DIN8
DIN9
DIN10
DIN11
DIN12
DIN13
DIN14
DIN15
DIN16
DIN17
DIN18
DIN19
DIN20
DIN21
DIN22
DIN23
Rev
A
Sheet
16
of
24

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