Block Diagram - Casio QV-770 Service Manual

CA–PCB
CXD2310A1
CXA2096N 3.3V
ICX098AK 15V
optional
CCD CDS+AGC ADC
15V
-5.5V
T.G
Vdr V
CXD2450R 3.3V
Auto Iris Lens
5-pin
Photo INT
IRIS+ Vcc3-2
IRIS- GND
MAC1
Solenoid
Strobe Ass'y
Battery
High Voltage
voltage
Generator
Xe Lamp
Photo
Comparator
Sensor
27-pin
3.3V3.3
3.3V CCDCS
AD0 EPCS
CCDPS
AD1 EPRB
MCK32 AD2 EPSK
MCK AD3 EPDI
3.5V
WEN
AD4 IRISA
SCK
AD5 IRISB
SD0
AD6 MAC1
HR1
AD7
FR1
BR9040F AD8
CCDRST
AD9
delete
CAGC VCC3-2(CPU controlled
CLPOB 3.3V)
EEPROM
3.3V
20-pin
Battery
voltage
STRG
2-pin
SCHG
SCEND
SECNT
SCSEL
5V
GND
AC_ADP
7-pin

BLOCK DIAGRAM

KA–PCB
6-pin
KEY0 3.3V
KEY1
GND
PON
3.3V
15.0V
-5.5V
YUV
5.0V
Processor
3.3V
CXD3120R
AGND
3.3V
DGND
Motor
Drive
uPD6461
3.3V
OSD
Controller
3.3V
3.1V
INTR
3.3V
15.0V
- 5.5V Voltage Controller
5.0V
Battery Voltage
PLAYB
18-pin
SCH
BL
RTSW
PW
PW0
6.0V
LA–PCB
3.3V
5.0V
13.5V
7.5V
Voltage Controller
5.0V
-15.0V
3.0V
6.0V
Detection SW
FUNC key
IR3Y29BM
(RSTW)
(PLAYB)
Chroma
KB–PCB
LED
LED
6-pin
KEY2
3.3V
DA–PCB
GND
IrDA
ROM
MB91181
Video
Signal
Generator
RS232C
5V
VIDEO
VCC5
VCC3
VCCA
VCC
DGND
GND
BLA–PCB, BLB–PCB
5-pin
BL1
NC
GND
Transformer BL
NC
BL2
LB–PCB
6.0V
14-pin
3V
VCC0 FRP
5V, 7.5V
VCC2 PLAYB
VR VEE2
Display
VG VCC8
Controller
VB GND
(CM7018)
CSYNC
HDB
VIDEO
RS232C
COD18T1016 ***
27-pin
LCD module
VSH MLCK CS
VGL
VCOM
VDD HCNT VREFH
VSH :
MODE2 5.0V
VR CLR VGH
RESET VGH :
VG OE 13.5V
VB SRTL GSRT
VGL :
-15.0V
VSS SRTR GP CK
VDD :
3.0V
MODE1 VBC VREFL
VSS :
GND