Lcd Circuit Waveforms; St1 Board Strobe; Tb1 Board Sd Card Socket; Tb2 Board Hinge Switch - Sanyo VPC-TH1 Service Manual

LCD CIRCUIT WAVEFORMS

K
TEST POINT
WAVEFORM
LOCATION
CN171
PIN 14
DCLK
J
2V/div
20ns/div
CN171
PIN 24
I
CP2
2V/div
20µs/div
CN171
H
PIN 34
CP8
2V/div
20µs/div
G
CN171
PIN 36
CP6
2V/div
20µs/div
F
WF-SG314-LCD
E
D
C
B
A
1 2 3 4
STROBE UNIT
FLASH REFLECTOR
JW541 AWG30
XAN
1
BROWN
XKT XAN
2.0X1.25
TRG
3
AWG30
JW542
XKT
BLACK
2.0X1.25
CN142
GND
1
SDCLK
2
GND
3
SDCMD
4
SDDATA3
5
SDDATA2
6
SDDATA1
7
SDDATA0
8
SDWP
9
GND
10
GND
11
ZCARD
12
SDDET
13
VDD3
14
VDD3
15
GND
16
GND
17
GND
18
BACKUP_BAT
19
GND
20
Z4 Z3 Z2 Z1
TO CP1(DMA)CN101
5 6 7 8

ST1 BOARD STROBE

T5401
TTRN-0530H-018-T
290
3
D5402
RE0208DA
T5402
4
TS-F35A-3
1
C5410
5
0.022;350B
3216
3216
2125
0.01;350B
R5402
C5411
100K;1/8JB-X
2
1
D5401
FPSN4
290
R5425
47;1/16J
MA2SD19
D5404
IGBT_GND
IGBT_GND

TB1 BOARD SD CARD SOCKET

TB1
VDD3
T1-17300/SG314-J
SDCLK
R1401
100;1/16J
SDCMD
R1402
10;1/16J
RB141
100
SDDAT2
1 2
SDDAT3 3 4
SDDAT0 5 6
SDDAT1 7 8
ZCARD
SDDET
SDWP
VDD3
!
9 10 11 12
C19
VOLTAGE: STROBE AFTER CHARGE
2
1 R5435
STROBE CHARGE
R5431
100;1/16J
IC541
100;1/16J
BD4218NUV
QBD4218NUV--P
1
10 PVC PGND
9 2
VDD IGBT_OUT
C5431
8 3
1;B VC IGBT_IN
7 4
VCC FULL
C5432 6 5
START ADJ
1;B
Z1
TB2
T2-17300/SG314-J
CN141
DATA3
1
C1401 COMMAND
2
4700P;B
VSS
3
VDD
4
CLOCK
5
VSS
6
DATA0
7
DATA1
8
DATA2
9
CARD
10
COMMON
11
WP
12
Z1 Z2 Z3 Z4
TO SD
Q1403
UP0431300
1 6
2 5
3 4
TUP0431300--G
13 14 15 16
K
ST1
S1-17300/SG314-J
J
CN541
AL3.2V
1
AL3.2V
2
RB541
1KX4 1/16W FLCTL
3
7 8 ZCHGDONE
4
CHG
3 4 I
5
BOOST5V
1 2
6
5 6 N.C.
7
N.C.
8
N.C.
5.6K;1/16J
9
R5433
GND
10
GND
11
GND
12
GND
13
H
GND
14
GND
15
UNREGST
16
UNREGST
17
UNREGST
18
UNREGST
19
UNREGST
20
TO CP1(DMA)CN105
G
F

TB2 BOARD HINGE SWITCH

E
JW653
AWG32
HINGE_SW1
1
RED 2.0X1.25
TO VF1 JW171
D
JW654 AWG32
S6501
ESE18L11BXK
HINGE_SW2
1
Z1 Z2
BLACK 2.0X1.25
1AV4S10B5501G TO VF1 JW172
HINGE SWITCH
C
B
A
17 18 19