Toshiba D-VR3SU Service Manual page 114

Circuit Operating Descriptions
7-7 VCR System Control
LED
DISPLAY
DVD
BLOCK
(1) Outline
The system control circuit inputs the commands given by the operator to set the mechanism and circuit to the
commanded mode. The circuit also inputs the detected output from the tape and mechanism protection sensor
and protects the VCR and tape against abnormal operation.
Fig. 7-11 is a simplified system control block diagram.
The system control is performed by 4 control sections. (System and timer control, Servo control, F/S Tuner, On
Screen Display).
7-14
REMOCON
MICOM
SERVO
OSD
IIC COMMON
SERVO
BLOCK
Fig. 7-11 Micom Block Diagram
SYSTEM CONTROL
MECHA BLOCK
A/V IC
Hi-Fi/MTS
EPROM IC
I/O IC801
TM BLOCK