LG KG300 Service Manual page 70

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5. CIRCUIT DIAGRAM
1
2
3 IN 1 Memory
U300
U300
TV00679002CAGD
TV00679002CAGD
A
TV00578003AABD-A
TV00578003AABD-A
P1
EA[1..23]
EA1
G2
A0
EA2
F2
A1
EA3
E2
A2
EA4
D2
A3
EA5
F3
A4
EA6
E3
A5
EA7
D3
A6
EA8
C3
A7
EA9
C7
A8
EA10
E7
A9
EA11
F7
A10
EA12
C8
A11
EA13
D8
A12
EA14
E8
A13
EA15
F8
A14
EA16
D9
A15
EA17
G9
A16
EA18
B
F4
A17
EA19
E4
A18
EA20
D7
A19
EA21
E6
A20
EA22
E9
A21
P1
ED[0..15]
ED0
J3
DQ0
ED1
G4
DQ1
ED2
K4
DQ2
ED3
H5
DQ3
ED4
H6
DQ4
ED5
K7
DQ5
ED6
G7
DQ6
ED7
J8
DQ7
ED8
K3
DQ8
ED9
H4
DQ9
ED10
J4
DQ10
ED11
K5
C
DQ11
ED12
J7
DQ12
ED13
H7
DQ13
ED14
K8
DQ14
ED15
H8
DQ15
E10
NC
F5
NC
F6
NC
G5
NC
G6
NC
G8
NC
K6
NC
L1
NC
L2
NC
L3
NC
L4
NC
L5
D
NC
L10
NC
M1
NC
M2
NC
M9
NC
M10
NC
USB Connector
AVDD
E
R309
R309
100K
100K
R0402
R0402
USBD+
D301
D301
P2
USBD+
RB520S-30TE61
RB520S-30TE61
USBD-
SC79
SC79
P2
USBD-
VCHG
R306
R306
24R
24R
USBD-
P1
USB_DM
R0402
R0402
R307
R307
24R
24R
USBD+
P1
USB_DP
F
R0402
R0402
R308
R308
1K5
1K5
R0402
R0402
T309
T309
VARISTOR0603_270P_18V
VARISTOR0603_270P_18V
C0603
C0603
VUSB
G
TP301
TP301
TP302
TP302
TP304
TP304
TP305
TP305
TP306
TP306
TP-0.7
TP-0.7
TP-0.7
TP-0.7
TP-0.7
TP-0.7
TP-0.7
TP-0.7
P1
JTDI
P1
JTMS
P1
JTCK
P1
/JTRST
P1
JTDO
P1
JRTCK
VBAT
H
1
2
3
4
VMEM
H9
Vccf(N.C_1Gbit)
J5
Vccf
J6
Vccps
G1
Vss
G3
Vss
G10
Vss
J9
Vss
C5
WP#/ACC
D5
/WATCHDOG P1
RESET#
H2
CEf1#
/ECS0_FLASH P1
E5
RY/BY#f
F9
EA23
P1
A22
C6
WE#
/EWR
P1
H3
OE#
/ERD
P1
J2
CE1ps#
/ECS1_PSRAM P1
D6
CE2ps
D4
UB#
/EUB
P1
C4
LB#
/ELB
P1
NAND
NAND
F1
VMEM
Vccn
F10
Vccn
E1
CEn#
NCEB
P1
R304
R304
K1
NWEB
P1
WEn#
47K
47K
H1
CLE
NCLE
P1
R0402
R0402
J1
ALE
NALE
P1
D1
REn#
NREB
P1
K2
WPn#
/WATCHDOG P1
C1
RY/BY#n
NRNB
L6
I/O1
NLD0
P1,4
L7
I/O2
NLD1
P1,4
L8
NLD2
P1,4
I/O3
L9
NLD3
P1,4
I/O4
K9
I/O5
NLD4
P1,4
K10
I/O6
NLD5
P1,4
J10
NLD6
P1,4
I/O7
H10
I/O8
NLD7
P1,4
NAND
NAND
A1
NC
A2
NC
A9
NC
A10
NC
B1
TOP BOOT
NC
B2
NC
B3
NC
B4
128Mb(NOR)+32Mb(SRAM)+256Mb(NAND)
TV00578002AAGD
NC
B5
NC
B6
128Mb(NOR)+32Mb(SRAM)+512Mb(NAND)
TV00579002AAGD
NC
B7
NC
128Mb(NOR)+32Mb(SRAM)+1Gb(NAND)
TV0057A002AAGD
B8
NC
B9
NC
B10
NC
128Mb(NOR)+64Mb(SRAM)+512Mb(NAND)
TV00679002AAGD
C2
NC
C9
NC
C10
128Mb(NOR)+64Mb(SRAM)+1Gb(NAND)
TV0067A002AAGD
NC
D10
NC
Sidekey
ADC5_USB P1
IO300
IO300
MNC40-5K5B11
MNC40-5K5B11
P1
KCOL2
MNC40-5K5B11
MNC40-5K5B11
1
USB_PWR
6
U_GND
2
USB_DM
7
U_GND
3
USB_DP
P1
KROW0
8
U_GND
4
NC
9
U_GND
SFI0402-050E100NP-LF
SFI0402-050E100NP-LF
5
GND
ESD
ESD
ESD
ESD
ESD
ESD
P1
KCOL3
P1
KROW0
SFI0402-050E100NP-LF
SFI0402-050E100NP-LF
TP307
TP307
TP308
TP308
TP309
TP309
TP-0.7
TP-0.7
TP-0.7
TP-0.7
TP-1.5
TP-1.5
TP-1.5
TP-1.5
3
4
5
6
7
KEYPAD Connector
VBATBB
P4
PWRKEY
P1
KCOL0
P1
KCOL1
P1
P1
KCOL2
P1
KCOL3
P1
KROW0
P1
KROW1
P1
KROW2
P1
KROW3
BOTTOM BOOT
P1
KROW4
P1
KROW5
TV00578003AAGD
TV00579003AAGD
TV0057A003AAGD
TV00679003AAGD
LED_COM
TV0067A003AAGD
P4
LED_COM
P1
KCOL2
ESD213
ESD213
ESD214
ESD214
ESD
ESD
SW310
SW310
ESD
ESD
SW_P.B
SW_P.B
EVQ9P701E
EVQ9P701E
P1
KROW1
T310
T310
ESD218
ESD218
T311
T311
T300
T300
ESD217
ESD217
ESD
ESD
SFI0402-050E100NP-LF
SFI0402-050E100NP-LF
SFI0402-050E100NP-LF
SFI0402-050E100NP-LF
ESD
ESD
C0402
C0402
C0402
C0402
C0402
C0402
P1
KCOL3
ESD220
ESD220
ESD215
ESD215
ESD
ESD
SW311
SW311
ESD
ESD
SW_P.B
SW_P.B
EVQ9P701E
EVQ9P701E
P1
KROW1
ESD219
ESD219
T302
T302
ESD216
ESD216
T312
T312
ESD
ESD
T313
T313
SFI0402-050E100NP-LF
SFI0402-050E100NP-LF
ESD
ESD
SFI0402-050E100NP-LF
SFI0402-050E100NP-LF
C0402
C0402
C0402
C0402
C0402
C0402
5
6
7
- 71 -
8
9
Components close to connector
J300
J300
FH26-29S-0.3SHW(05)
FH26-29S-0.3SHW(05)
FH26-29S-0.3SHW
FH26-29S-0.3SHW
P1
KCOL2
1
30
1
GND1
P1
KCOL0
2
2
P1
KROW5
3
3
P1
KROW3
4
4
5
D306
D306
5
PESD5V0L5UY
PESD5V0L5UY
6
6
SC88
SC88
7
7
8
8
P4
PWRKEY
9
9
VBATBB
10
10
P1
KROW1
11
11
P1
KROW0
12
12
D307
D307
PESD5V0L5UY
PESD5V0L5UY
13
13
SC88
SC88
14
14
15
15
16
16
P1
KROW4
17
17
P1
KROW2
18
P1
KCOL3
18
19
19
P1
KCOL1
D308
D308
20
20
PESD5V0L5UY
PESD5V0L5UY
SC88
SC88
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
31
29
GND2
STATES LED
VBATBB
SW309
SW309
SW_P.B
SW_P.B
EVQ9P701E
EVQ9P701E
T301
T301
SFI0402-050E100NP-LF
SFI0402-050E100NP-LF
G
1
U301
U301
C0402
C0402
3
D
NTA4153NT1G
NTA4153NT1G
S
2
SC75A
SC75A
3
1
P1
GPIO7_BLED_EN
2
SW320
SW320
SW_P.B
SW_P.B
EVQ9P701E
EVQ9P701E
[CAPTURE]
T303
T303
TP303
TP303
SFI0402-050E100NP-LF
SFI0402-050E100NP-LF
TP20MIL
TP20MIL
P1
GPIO5_RLED_EN
C0402
C0402
TP20MIL
TP20MIL
TP310
TP310
TP20MIL
TP20MIL
P1
GPIO6_GLED_EN
TP20MIL
TP20MIL
KG300
Memory, key scan, IO
Memory, key scan, IO
A3
A3
7312
7312
Thursday, August 10, 2006
Thursday, August 10, 2006
8
9
10
A
B
C
D
E
D310
D310
BLUE_LED
BLUE_LED
LED2PC
LED2PC
F
R310
R310
200
200
R0402
R0402
G
H
P1D
P1D
3
3
7
7
10

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