LG LDC-A310 OVERALL WIRING

Page 1
K

OVERALL WIRING

K
TB1
(SWITCH)
BACKUP
SCANIN1B
SCANIN0B
BACKUP
SCANIN0B
6
SCANIN3B
SCANOUT3
1
FFC
1
SCANIN1B
SCANOUT3
SCANIN3B
J
SPEAKER
SP
I
CLCL
6
H
G
F
OM/ORZJ11SJ060GZ
J
GND
CN601
1AV4J11SJ060G
65432
I
65432
GND
CN301
1AV4J11SJ060G
H
G
FPC
LENS
F
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1AV4J11SL240G
CN951
SHUTTER+ SHUTTER-
IRIS-
IRIS+ TMP_A TMP_B
F_SENS_K F_SENS_AC
F_SENS_E RPOS_SW1 RPOS_SW2
FM_B­FM_A­FM_A+ FM_B+
Z_SENS2_E
Z_SENS2_AC
Z_SENS2_K
ZOOM­ZOOM+
Z_SENS1_E
Z_SENS1_AC
Z_SENS1_K
DUMMY
24
1AV4J11SR330G
CN171
NC NC
VSS
VC1 VC2 VGL NC VGH VDD CP
GRES GPCK GSRT
STBYB
VCOM
STH
STBYB
RIT POL STB CLK D05 D04 D03 D02 D01 D00 VSH VSS VBC VRH VRL VDD
33
DMA (MAIN, LCD DRIVER & LENS) CAA (CCD DRIVER) SYA (SYSTEM CONTROL) PWA (FLASH & POWER)
FPC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
E
D
LCD
C
BACKLIGHT
CP1
BAT+JW501
BAT-JW502
JK501
CL CL CL
BATTERY
DC JACK
B
JW171
LED_A
JW172
LED_K
A
VSS
VDD
COMMAND
VSS
CLOCK
65432
DATA3
CN143
1AV4J11B5970G
1
SD CARD
DATA0
DATA2
DATA1
987
CARD
COMMON
WP
121110
GND
CN105
USB D -
USB VDD
1AV4J11B5670G
8765432
USB/VIDEO
USB D +
ZAV JACK
GND
AOUT
VIDEO_OUT
1
W1-64400/SX714-U
STROBO
E
D
C
B
A
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
C3
Page 2
K
LENS O_LPF
IC903
ICX432JQ
VDD
-7.7V
VL
15V
EF
CCD IN
IC905
H_DRIVER
CDS, AGC, A/D
HD49335NP01
IC904
V_DRIVER
CXD3440EN
V1~V6
SUB
H1,H2,RG
ASIC
IC101
XV1~XV6
XSUB, XSG1A,XSG1B XSG2A,XSG2B,XSG3
D0~D9
CCDEN,CK,SD
ADCK,TGHD,TGVD
62,64,63
15,16,17
3~12
19,22,26
5110
12 18
1~8
14
17,18,12
Q9002
CCD SENSOR
K

OVERALL CIRCUIT

J
CP1 BOARD
CAA BLOCK
I
H
CCD
3M Pixel
IC903
CDS/AGC/AD-C
H Driver
IC905
V Driver
IC904
IC105 D-FF
ZIN+, ZIN­IIN+, IIN­SIN+, SIN­FIN(A,-A,B,-B) PICTL
IC952 LENS
DC-DC CONVERTER
LENS BLOCK
VM
IC951
LENS DRIVER
CN951
LENS
3

CAMERA CIRCUIT

J
I
H
SYA BLOCK
XSUB
CCDCK
CCDSD
G
F
X1101
28.63636MHz
Flash 16Mbit IC121
SDRAM
128Mbit
IC103
IC111
CLOCK GENERATOR
CN143
SD CARD
D(0:15)
A(1:20)
SD(0:31)
SA(0:13)
CKIN1
CKIN2
FSC4
FD(0:4)
CCDEN
SUBGT
XV(1:6)
IC101
ASIC
ADCK
AD(0:9)
TGVD,TGHD
CD(12:13)
CD(10,11)
XSG(1A,2A,1B,2B,3)
CD(8,9)
E
YOUT
DP
DM
COUT
CSYNC
RIT,STB,CLK,
GSRT,GPCK
GRES,STH,STBYB,
DO0~DO5
CP,LBRT,POL,
VCOMD
MRST
ZTEST
PLLEN
CLKSEL0
CLKSEL1
SCK
SDI
SDO
SREQ
VCC
BATTERY BACKUP
IC301
8bit Micro Processor
32.768KHz
4MHz X3001 X3002
REGULATOR
IC302
CN301
PIEZO SPEAKER
TB1 BOARD
POWER SW
CN601
BACKUP BATTERY
G
F
E
YC-MIX
D
C
CN105
USB/VIDEO
IC151
VIDEO AMP
VIDEO
LCD MONITOR
CN171
PWA BLOCK
POWER SUPPLY
CONVERTER
ELECTRONIC
DC-DC
IC501
FLASH
JK501 DC-JACK
AA 2
B
A
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
C4
D
C
B
A
Page 3
K
DIGITAL CLAMP
SIGNAL PROCESSOR
AF,AE,AWB
SRAM
SRAM
D/AY
C R-Y
D/A
D/A
NTSC/PAL
ENCODER
SRAM
BUS
BUS
DIGITAL I/F
TG/SG
CLKGEN PLL
SDRAM CONTROLLER
JPEG CONTROLLER
CCD 98MHz 4fsc
36MHz
72MHz
ARM
UART
USB
CARD
PWM
SIO
IC301 MICRO PROCESSOR
EXT PORT (LENS DRIVER)
PIO
BUS I/F
FLASH MEMORY
SDRAM
CCD BLOCK
ASIC
IC101
B-Y
RGB
CCD DRIVER
SD CARD
USB CONNECTOR
K

LENS CIRCUIT

VDD3
J
VDD3
CN951
J
VDD3
14
15
ZOOM POS SW
3
2
4

ASIC CIRCUIT

ZOOM PI1
8
7
9
ZOOM PI2
17
18
16
FOCUS PI
21
I.M.
SHUTTER
Z.M.
F.M.
22
24
23
5
6
11
12
10
13
Z_SW
(IC101 PIN227)
I
VDD3
H
Z-PI1
(IC101 PIN233)
PICTL
(IC105 PIN12)
Q9505
PI_K
G
Z_PI2
(IC101 PIN234)
F
F_PI
(IC101-PIN231)
VB
E
D
C
B
A
IIN+ (IC101 PIN183)
IIN­(IC101 PIN182)
SIN+
(IC101 PIN186)
SIN-
(IC101 PIN184)
ZIN+
(IC101 PIN181)
ZIN-
(IC101 PIN180)
FIN_A
(IC105 PIN2)
FIN_-A
(IC105 PIN5)
FIN_B
(IC105 PIN6)
FIN_-B
(IC105 PIN9)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
2
1
8
6
5
12
11
10
9
IN11
IN12
IRIS M.DRIVER
4
IN9
3
IN10
SHUTTER.DRIVER
IN5
7
IN6
IN7
IN8
ZOOM M.DRIVER
IN1
IN2
IN3
IN4
FOCUS M.DRIVER
IC951
LB8649FN
OUT11
OUT12
OUT9
OUT10
OUT5
OUT6
OUT7
OUT8
OUT1
OUT2
OUT3
OUT4
31
33
28
30
34
35
36
37
24
25
26
27
IRIS+
IRIS-
SM+
SM-
ZOOM+
ZOOM-
Q9522
Q9523
VDD3
Q9521
FM A+
FM A-
FM B+
FM B-
C5
I
H
G
F
E
D
C
B
A
Page 4
K
K

SYSTEM CONTROL CIRCUIT

J
I
AL3.2V
LENS 3.6V
15VB
J
I
BACKUP3V
24
5678
H
IC302
BATTERY
Q3003
G
BACK UP
BACKUP
1234
AL3.2V
UNREG
VDD
LI
RESET
BAT
OFF
TB1 BOARD Z6001
VDD
10
VDD
36
RESET
43
BAT OFF
9
GND
25
GND
42
GND
56
BACKUP CNT
BUZZER
CHG ON
CHG VOL
LCD ON
LCD ON2
XCIN
52
23
32
53
38
Q3005
CHG
VMONIT
H
8
LCD ON
LCD ON2
G
TO PWA
X3002 32KHZ
X3001
4MHZ
Q3002
INVERTER
Q3004
INVERTER
DC IN
S.REQ ASIC SO ASIC SI
ASIC SCK
Z BOOT
CLKSEL0
CLKSEL1
PLLEN
ZTEST
P ON
P(A)ON
UNREG
ZAV JACK
ZCARD DET
MRST
USB DET
BLON
F
TO PWA
E
D
TO DMA
C
TO PWA
B
TO DMA
TO PWA
XIN
SI SO
SCK
37
40
41
47
44
15
16
17
48
60
61
62
63
5
6
33
49
51
64
57
7
XCOUT
F
29
SCAN IN0
28
SCAN IN1
27
SCAN IN2
45
SCAN IN3
E
REC
WIDE
LEFT
D
1st
REC (VF)
TELE
UP
2nd
PLAY
MENU
DOWN
FLASH
---
SET
RIGHT
POWER ON/OFF
1
SCAN OUT0
2
SCAN OUT1
3
SCAN OUT2
4
SCAN OUT3
IC301
8bit MICRO
PROCESSOR
AL3.2V
XOUT
DC IN
S.REQ
BOOT
CLKSEL0
CLKSEL1
PLLEN
(RED)
SELF LED
C
(RED)
(GREEN)
STANDBY LED
11
SELF LED
13
STBY LED(RED)
12
STBY LED(GREEN)
D3005
BACKUP 3V
B
35
AVdd
34
AVref
14
AV REF ON
ZTEST
P ON
P(A)ON
BATTERY
AV JACK
CARD
ASIC RESET
USB
Q3001
BLON
A
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
C6
A
Page 5
7
WAVEFORM
TEST POINT
LOCATION
TEST POINT
LOCATION
IC101
PIN 6
CKIN2
1V/div
10ns/div
WAVEFORM
WF-SX714EX
IC101
PIN 7
FSC4
1V/div
40ns/div
IC101
PIN 5
CKIN1
1V/div
5ns/div
CN171
PIN 21
CLK
1V/div
40ns/div
CN171
PIN12
GPCK
1V/div
10µs/div
CN171
PIN 16
STH
1V/div
100ns/div
CN171
PIN 16
STH
1V/div
10µs/div

CIRCUIT DIAGRAMS

K

FLASH CIRCUIT

MAIN & LCD DRIVER CIRCUIT WAVEFORMS

CHARGING CIRCUIT
K
J
I
H
G
F
TO DMA
TO SYA
UNREG
RDY TRIG STOP
VMONIT
CHG
Q5407
SW
H; ON
C5401
POWER FILTER OSCILLATION
OSCILLATION
CIRCUIT
Q5405 D5407
T5401 D5402 D5403
TRANSFORMERBLOCK
Q5409

POWER CIRCUIT

EMISSION CONTROL
CIRCUIT
D5405
TRIGGER
CIRCUIT
RECTIFIER
CIRCUIT
VOLTAGE MONITOR
CIRCUIT
C5412
LIGHT EMITTING
ELEMENT
(XENON TUBE)
LIGHT EMISSION CIRCUIT
J
I
H
G
F
IC955
Q9551,L9551
SWITCHING LENS3.6V
E
20
IC501
D
SWITCHING
CONTROLLER
(FA7709R)
9
10 161718
CNT5
8
CNT4
CNT3
6
CNT2
CNT1
19
C
OUT4
OUT5
B
REGULATOR
OUT1 T5001,Q5001 CIRCUIT +15.0V(A)
OUT2 L5004,Q5002
OUT3
CONVERTER -7.6V(A)
TRANS +3.05V(A)
STEP UP VDD3
CIRCUIT
L5006,Q5009 STEP DOWN VDD1.8
CIRCUIT
L5007,Q5010 +15VB
STEP UP IC502
CIRCUIT REGULATOR +5V(L)
L5008,Q5013
STEP UP
CIRCUIT DETECTOR LCD CATHODE
SW Q5011
SW Q5003, Q5004
OUT & CURRENT
Q5018
CURRENT LIMIT
SW Q5021
+15V(L)
SW Q5014
LCD ANODE
P_ON P(A)ON LCD_ON LCD_ON2 BL_ON
A
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
C7
E
D
C
B
A
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