A
B
C
D
E
F
G
H
I
J
K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
A
B
C
D
E
F
G
H
I
J
K
C7
C5412
Q5405
Q540
6
D5407
C540
6
T5401
T5402
R5
405
R5
406
D5403
Q5409
CN5
41
POWER FILTER
OSCILLATION
TRANSFORMER
BLOCK
RECTIFIER
CIRCUIT
OSCILLATION
CIRCUIT
VOLTAGE
MONITOR
CIRCUIT
EMISSION
CONTROL
CIRCUIT
TRIGGER
CIRCUIT
LIGHT EMITTING
ELEMENT
(XENON TUBE)
CHARGING CIRCUIT
LIGHT EMISSION CIRCUIT
SX811_ST_BLOCK
FLCTL
VMONIT
CHG
3
2
1
UNREG
TO CP1(SYA)
11
12
13
IC501
SWITCHING
CONTROL
FA7724R-H4
L500
1
,Q500
1
STEPUP CIRCUIT
CHARGE PUMP
CIRCUIT
IC531
STEP UP
CIRCUIT
Q5301, L5301
L5005, Q500
8
STEP UP
CIRCUIT
L500
6
STEP DOWN
CIRCUIT
L500
7
STEP DOWN
CIRCUIT
+12V(A)
-6.0V(A)
4.
8
V
BOOST4.
8
V
OUT5
5
4
1
OUT
4
OUT2D
OUT1D
L500
8
, Q500
9
STEP UP
CIRCUIT
CURRENT
DETECTOR
CIRCUIT
IC502
TK11134CSCL
REG
OUT6
LCDAN
LCDCA
30
24
25
48
35, 36
39, 40
44
4
6
31
32
10
SX811_PW_BLOCK
VR
VR501
BLON
PON
VDD5
+3.45V(A)
PAON
PAON3
TO DMA(MAIN)
TO SYA, CAA
TO CAA
TO CAA
TO DMA(MAIN)
TO DMA(MAIN)
TO DMA(MAIN)
TO SYA
TO SYA
TO DMA(LCD)
VS6
SW6
47
CNT5
CNT1
CNT
4
CNT6
VDD3
VDD1.2
STROBO CIRCUIT
WAVEFORM
TEST POINT
LOCATION
TEST POINT
LOCATION
IC171
PIN 42
CKH1
1V/div
100ns/div
WAVEFORM
WF-SX811
IC171
PIN 41
CKH2
1V/div
100ns/div
IC101
PIN 333
XOUT
1V/div
10ns/div
IC171
PIN 43
STH
1V/div
10
µ
s/div
IC171
PIN 43
(WIDE)
STH
1V/div
100ns/div
MAIN & LCD DRIVER CIRCUIT WAVEFORMS
CIRCUIT DIAGRAMS
POWER CIRCUIT
