Service manual

37
VL-A111U/AH131U
VL-AH151U/AH161U
* On this model, all the circuits of the VCR and camera sections are controlled by IC706.
1) IC401 is controlled with the serial data from IC706.
2) IC705 is a memory that serves to store the adjustment data of the VCR section.
3) IC2 is a memory that serves to store the adjustment data of the camera section.
4) The other circuits and ICs are under the L/H level or the PWM control.
BATTERY
NONREGE
IC900
IC2
DSP
IC401
IC601
IC301
IC3801
IC2701
D/A
IC706
IC705
POWER (CAMERA)
E
2
PROM
LENS
D/A
E
2
PROM
SERIAL BUS
LCD
CAM
Y/C
ATF
CDS
AUDIO
LCD
CONTROLER
H/A
MECHA-
NISM
MECHA-
CHASSIS
POWER (SIGNAL)
SERVO
CONTROL
KEY
3.0V
Reg
POWER (AT 3.0V)
POWER (SYS 3.0V)
Power Control IC
IC701
I CHIP µ-COM
SYSTEM CONTROL
IC101
IC102
7. BLOCK DIAGRAMS
7-1. SYSTEM BLOCK DIAGRAM