Sharp LC-32SV21L Service Manual page 80

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LC-32SV21L&LC-42SV31L
09 FLASH/XTAL/JTAG/UART
U401A
U401A
JTCK
R4
JTCK
JTDI
T1
JTDI
JTDO
R3
JTDO
JTMS
T3
JTMS
JTRST#
R426
T2
JTRST_
TP495
OSDA0
J22
OSDA0
OSCL0
J23
OSCL0
POCE1_
OSDA1
TP496
U4
OSDA1
POCE0_
OSCL1
U3
OSCL1
OSDA2
T22
OSDA2
OSCL2
T23
OSCL2
OXTAL_I
AE19
XTALI
OXTAL_O
AD19
XTALO
AVDD33_XTAL_STB
AC18
AVDD33_XTAL_STB
AE18
AVSS33_XTAL_STB
AVDD33_REG_STB
AA7
AVDD33_VGA_STB
OPWRSB
W8
AVSS33_VGA_STB
ORESET_
AVDD12_PLL
AB15
AVDD12_PLL
AA17
AVSS12_PLL
FSRC_WR
3V3SB
AVDD10_LDO
AA12
AVDD10_LDO
MTK
A25
DVSS
VCC3IO
B25
DVSS
VCC3IO
R4104
Y 21
DVSS
VCC3IO
Y 22
DVSS
VCC3IO
1.3K 1%
AB22
DVSS
VCC3IO
AA23
DVSS
VCC3IO
AB23
DVSS
AC23
DVSS
C437
AB24
DVSS
AA20
DVSS
4.7UF 10V
Y 20
DVSS
W20
DVSS
Y 19
DVSS
W19
DVSS
M9
DVSS
H6
DVSS
N9
DVSS
L12
DVSS
L13
DVSS
L14
DVSS
P9
DVSS
R10
DVSS
W21
DVSS
AC24
DVSS
AB25
DVSS
M11
DVSS
M12
DVSS
M13
DVSS
M14
DVSS
M15
DVSS
M16
DVSS
N11
DVSS
N12
DVSS
N13
DVSS
N14
DVSS
N15
DVSS
N16
DVSS
P11
DVSS
P12
DVSS
P13
DVSS
P14
DVSS
P15
DVSS
P16
DVSS
R11
DVSS
R12
DVSS
R13
DVSS
R14
DVSS
K12
DVSS
K13
DVSS
M10
DVSS
N10
DVSS
P10
DVSS
K14
DVSS
K17
DVSS
L17
DVSS
N17
DVSS
P17
DVSS
W17
DVSS
V19
DVSS
MT 5366GSNG
U0TX
AB8
DVDD3V3
NAND Flash
U0TX
U0RX
AC7
U0RX
U405
U1RX
U2
U1RX
U1TX
U1
U1TX
POWE#
J19
POWE_
POOE#
K21
POOE_
POCE1#
K22
POCE0#
J21
PDD7
PARB#
K23
PDD7
PDD6
POOE#
L23
PDD6
PDD5
POCE1#
L24
PDD5
PDD4
L25
PDD4
K20
PDD3
DVDD3V3
PDD3
PDD2
K19
PDD2
PDD1
L22
PDD1
M23
PDD0
PDD0
J20
PARB#
PARB_
J24
PACLE
PACLE
PACLE
J25
PAALE
PAALE
PAALE
POWE#
AB9
OPWRSB
Flash_WP#
Y 8
ORESET#
AC8
OIRI
OIRI
FSRC_WR
E23
R431
TP402
4.7K 1/10W
E-Fuse
DVDD3V3
D efau lt 2G bit N AN D F lash u sed
T8
M18
DVDD3V3
JTAG Port
H19
V8
U8
N18
VCCK
JTRST#
M1
JTDI
VCCK
M2
JTMS
VCCK
M3
JTCK
VCCK
M4
R446
VCCK
M5
JTDO
VCCK
M6
VCCK
N1
33R 1/10W 5%
JTAG_DBGRQ
VCCK
JTAG_DBGACK
N2
VCCK
N3
R450
VCCK
N4
10K 1/10W
R451
VCCK
N5
10K 1/10W
VCCK
N6
VCCK
K10
VCCK
K11
VCCK
K9
VCCK
L9
VCCK
R9
VCCK
VCCK
K15
VCCK
K16
VCCK
L10
VCCK
T9
C439
C440
C441
C442
VCCK
T10
4.7UF 10V
10uF 6.3V
100N 16V
100N 16V
VCCK
T11
VCCK
T12
VCCK
T13
VCCK
T14
VCCK
VCCK
T15
VCCK
T16
VCCK
L11
VCCK
L15
C443
C444
C445
C446
VCCK
R15
100N 16V
100N 16V
100N 16V
100N 16V
VCCK
L16
VCCK
R16
VCCK
R17
VCCK
T17
( 42 mA )
VCCK
AVDD1V2
AVDD12_PLL
R460
0R01
C450
100N 16V
3V3SB
3V3SB
( 10 mA )
AVDD33_XTAL_STB
R461
R462
0R01
0R01
C454
C455
100N 16V
10uF 10V
256MB
U405
DVDD3V3
1
48
NC1
NC29
2
47
NC2
NC28
3
46
R425
NC3
NC27
4
45
NC4
NC26
PDD7
5
44
NC5
I/O7
PDD6
6
43
NC6
I/O6
PDD5
7
42
RY /BY 1
I/O5
PDD4
8
41
RE
I/O4
POCE0#
9
40
CE1
NC25
10
39
DVDD3V3
NC7
NC24
11
38
NC8
NC23
12
37
C435
Serial Flash
VCC1
VCC2
13
36
100N 16V
VSS1
VSS2
U404
14
35
NC9
NC22
15
34
POCE0#
1
NC10
NC21
CS#
16
33
PDD7
2
CLE
NC20
SO/SIO1
17
32
PDD3
Flash_WP#
3
ALE
I/O3
WP#/SIO2
18
31
PDD2
4
WE
I/O2
GND
19
30
PDD1
WP
I/O1
20
29
PDD0
NC11
I/O0
21
28
NC/MX25L6445EM2I-10G
NC12
NC19
22
27
NC13
NC18
23
26
SYSTEM EEPROM
NC14
NC17
24
25
NC15
NC16
H27U2G8F2CTR-BC
LO = > WRITE
HI = > WP
DVDD3V3
SY S_EEPROM_WP
R436
OSCL0
0R01 1/16W
CN406
OSDA0
R442
R480
1K 1/10W
NC/0oHM
UART Port 0
TVTREF#1
1
2
3V3SB
3
4
5
6
7
8
R444
R445
9
10
11
12
4.7K 1/16W
4.7K 1/16W
13
14
15
16
U0TX
17
18
U0RX
19
20
CN406
CONN
NC/CONN
FOR CODE DOWNLOAD AND DEBUG
27MHz CRYSTAL
X400
2
4
OXTAL_I
OXTAL_O
1
3
27MHz
R459
NC/100K 1/10W
C447
C448
27P 50V
27P 50V
DVDD3V3
C451
C452
C453
4.7UF 10V
100N 16V
100N 16V
( 13 mA )
AVDD33_REG_STB
C456
100N 16V
80
2nd I2C
2,4,5,7,8,10,11,12,13,14,15,16,18
DVDD3V3
R423
DVDD3V3
R427
OSDA1
OSCL1
Flash_WP#
3rd I2C
DVDD3V3
DVDD3V3
64Mb
R429
8
VCC
7
R4053 NC/4.7K 1/10W
NC/SIO3
6
POOE#
SCLK
5
PDD6
SI/SIO0
C436
OSDA2
NC/100N 16V
OSCL2
DVDD3V3
R432
R433
R434
U409
U409
8
1
VCC
E0
7
2
WC
E1
6
3
SCL
E2
5
4
SDA
VSS
M24C32-WMN6TP
I2C ADDRESS "A0"
CN410
CN410
UART Port 1
DVDD3V3
1
2
3
R448
R449
4.7K 1/16W
4.7K 1/16W
U1TX
U1RX
ZD124 and C438 near U401 should be
very close to U401
R453
3V3SB
STRAPPING
R455
R457 10K 1%
DVDD3V3
DVDD3V3
DVDD3V3
DVDD3V3
2,3,4,6,17
+5VSB
+5VSB
2,6,7,13,17
3V3SB
3V3SB
R424
2
VCCK
VCCK
2,7,8,12,14,15
AVDD1V2
AVDD1V2
2,3,4,5,6,7,8,10,11,12,13,14,15,16,17,18
GND
Control Interface
OPWRSB
2
OPWRSB
DVDD3V3
OIRI
13,17
OIRI
R430
SY S_EEPROM_WP
13
SY S_EEPROM_WP
OSDA1
7,11,14
OSDA1
OSCL1
7,11,14
OSCL1
OSDA2
15
OSDA2
OSCL2
15
OSCL2
OPCTRL5
13
OPCTRL5
OPCTRL4
13
OPCTRL4
AOSDATA1
12
AOSDATA1
U0TX
3,17
U0TX
U0RX
3,17
U0RX
+5VSB
3V3SB
RESET Circuit
R4103
R447
U408
U408
1
GND
3
R408
Vcc
2
RESET
100R 1/16W 5%
AZ809ANSTR-E1
R443
ORESET#
ZD124
R452
C438
TVM1G5R5M100R
15pF 50V
NC/10K 1/10W
R454
10K 1%
OPCTRL5
NC/10K 1/10W
R456
10K 1/10W
OPCTRL4
R458
NC/10K 1%
AOSDATA1

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