Strobe Circuit - Sanyo VPC-X1200GXR Service Manual

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K
IC501
PWM/PFM
PON
SWITCHING
XSHDN34
CONTROL
J
XSHDN2
PON2
XSHDN78
PAON
XSHDN6
BLON
TO DMA
I
H
G
F
E
D
C
B
A
1
2
3
4
POWER CIRCUIT
TO DMA
3
STB_DDR
PREV1
4
VCC
PREV6
L5301, D5301, Q5301
STEP UP CIRCUIT
OUT1
4
3
PAON4
TO DMA
L5007
SW7
STEP UP CIRCUIT
VOUT7
L5008, Q5008
OUT8
INVERTING CIRCUIT
DSW4
L5004
3, 6
STEP UP/DOWN
USW4
CIRCUIT
VOUT4
VDCO
VOUT2
L5003
SW3
STEP DOWN CIRCUIT
L5006, Q5006
CURRENT
OUT6
STEP UP CIRCUIT
DETECTOR
CIRCUIT
5
6
7
8
1
IC503
VDD1.8_DDR
REG
BOOST4.2V
CN541
UNREGST
1
IC502
+3.4V(A)
REG
CHG
CHGDONE
FLCTL
+14.0V(A)
AL3.2V
TO CP1 (DMA)
CN102
-6.0V(A)
1
IC504
+12.0V(A)
REG
VDD3
VDD1.8_ASIC
VDD1.2
LCDAN
LCDCA
LCDPWM
TO DMA
SG21F_PW_BLOCK
9
10
11
12
C7

STROBE CIRCUIT

CHARGING CIRCUIT
C5401
T5401
POWER FILTER
BLOCK
12
4
9
5
IC541
6
10
8
6
STROBE
2
CHARGE
5
ADJ
OSCILLATION
CIRCUIT
CHARGE
4
MONITOR
CIRCUIT
2
3
IGBT
DRIVER
13
14
15
16
K
D5402
OSCILLATION
RECTIFIER
C5412
TRANSFORMER
CIRCUIT
(ST2)
J
I
Q5402
EMISSION
CONTROL
LIGHT EMITTING
CIRCUIT
H
ELEMENT
(XENON TUBE)
T5402
TRIGGER
CIRCUIT
G
LIGHT EMISSION CIRCUIT
SG21F_ST_BLOCK
F
E
D
C
B
A
17
18
19

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