Strobo Circuit; Power Circuit; Circuit Diagrams; Main & Lcd Driver Circuit Waveforms - Sanyo VPC-E6 Service Manual

K
C5406
POWER FILTER
J
BLOCK
CN541
11
UNREG
12
13
FLCTL 3
I
VMONIT 2
CHG 1
TO CP1(SYA)
OSCILLATION
H
CIRCUIT
Q5405
Q5406
D5407
G
F
E
VR501
VR
44 46 10 31
D
32
IC501
FA7724R-H4
35, 36
SWITCHING
39, 40
CONTROL
48
24
C 47 25 30
B
A
1 2 3 4

STROBO CIRCUIT

CHARGING CIRCUIT
T5401 D5403
OSCILLATION
RECTIFIER
TRANSFORMER
CIRCUIT
R5405
R5406
VOLTAGE
MONITOR
CIRCUIT
Q5409
EMISSION
CONTROL
LIGHT EMITTING
CIRCUIT
ELEMENT
(XENON TUBE)
T5402
TRIGGER
CIRCUIT
LIGHT EMISSION CIRCUIT

POWER CIRCUIT

IC531
4.8V
Q5301, L5301
STEP UP
CIRCUIT
L5001,Q5001
OUT5 STEPUP CIRCUIT
CHARGE PUMP
CIRCUIT
L5005, Q5008
OUT4
STEP UP
CIRCUIT
OUT2D 5 4
L5006 IC502
TK11134CSCL
STEP DOWN 1
REG
CIRCUIT
L5007
OUT1D
STEP DOWN
CIRCUIT
OUT6
L5008, Q5009
STEP UP
CURRENT
CIRCUIT
DETECTOR
CIRCUIT
5 6 7 8

CIRCUIT DIAGRAMS

TEST POINT
LOCATION
IC101
C5412
PIN 333
XOUT
1V/div
10ns/div
IC171
PIN 42
CKH1
1V/div
100ns/div
IC171
PIN 41
CKH2
SX811_ST_BLOCK
1V/div
100ns/div
BOOST4.8V TO DMA(MAIN)
+12V(A) TO SYA, CAA
-6.0V(A) TO CAA
PON TO SYA
VDD5 TO DMA(MAIN)
+3.45V(A) TO CAA
PAON3
TO DMA(MAIN)
VDD3
VDD1.2
TO SYA
BLON
PAON
TO DMA(MAIN)
LCDAN
TO DMA(LCD)
LCDCA
SX811_PW_BLOCK
9 10 11 12
C7
MAIN & LCD DRIVER CIRCUIT WAVEFORMS
TEST POINT
WAVEFORM
LOCATION
IC171
PIN 43
STH
1V/div
10µs/div
IC171
PIN 43
(WIDE)
STH
1V/div
100ns/div
13 14 15 16
K
WAVEFORM
J
I
H
G
F
WF-SX811
E
D
C
B
A
17 18 19