Power Circuit; Strobo Circuit; Circuit Diagrams; Main & Lcd Driver Circuit Waveforms - Sanyo VPC-S60 Service Manual

K
J
26
TO SYA CTRL1
CTL1
32
PON
SHDNB2, 3
I
31
PAON2
SHDNB4
30
PAON
SHDNB5
H
IC501
28
BLON
SWITCHING
SHDNB7
CONTROL
TO DMA UPD168801K8-4E5-E1
G
F
E
D
C
B
A
1 2 3 4

POWER CIRCUIT

CH1 L5301
20, 21 STEP UP
CIRCUIT
LOUT11,12
34 AVDD
17 PVDD
11 VPIN3
33 SHDNB1
VDD3
4,5
CH2 L5003
SW
LOUTA21,22 STEP
Q5009
+3.25V(A)
UP/DOWN
6,7 Q5008
CIRCUIT
LOUTB21,22
CH3 L5004
STEP
10
VDD1.2
DOWN
LOUT3
CIRCUIT
CH4 L5007
Q5004 IC503
16
XC62KS0PXXMR -7.5V(A)
INVERTING
OUT4
REG
CIRCUIT
CH5 L5006
SW
15 Q5001
Q5003
+12V(A)
STEP UP
OUT5 Q5005
CIRCUIT
(CH6 NC)
CH7 L5005
Q5002
13 SW
LCDAN
STEP UP Q5007
OUT7
CIRCUIT
42
II71
SX81R_PW_BLOCK
5 6 7 8

CIRCUIT DIAGRAMS

TEST POINT
LOCATION
IC101
BOOST3.6V
PIN A7
TO DMA & SYA
XOUT
2V/div
20ns/div
TO DMA, STA & SYA
CN171
TO DMA
PIN 4
PAON4
CP5A
1V/div
20µs/div
TO DMA
TO DMA & STA
TO LCD
LCDCA
LCDPWM
TO DMA
UNREGST
TO PWA
FLCTL
TO DMA
VMONIT
CHG
TO SYA
9 10 11 12
C7
MAIN & LCD DRIVER CIRCUIT WAVEFORMS
TEST POINT
WAVEFORM
LOCATION
CN171
PIN 14
CP2B
2V/div
20µs/div
CN171
PIN 31
CLK
1V/div
40ns/div

STROBO CIRCUIT

CHARGING CIRCUIT
C5408 T5401
POWER FILTER
OSCILLATION
TRANSFORMER
BLOCK
IC541(RD3CYD08CME)
Q5402
OSCILLATION
CIRCUIT
EMISSION
CONTROL
Q5403
CIRCUIT
Q5404
D5405
T5402
TRIGGER
CIRCUIT
13 14 15 16
K
WAVEFORM
J
I
H
G
WF-SX81R
F
E
D5402
RECTIFIER
C5412
CIRCUIT
D
VOLTAGE
MONITOR
CIRCUIT
C
LIGHT EMITTING
ELEMENT
(XENON TUBE)
B
LIGHT EMISSION CIRCUIT
SX81R_ST_BLOCK
A
17 18 19