Canon Canovision8 E50E Service Manual page 75

CONTENTS
CHAPTER IV, DIAGRAMS
1, Interconnection Diagram ..
stot e cece ceecennseeeereeseereceescens NOI
2. Block Diagrams
2-1 Camera section .
2-2 ° Syscon-servo section
2-3. Video section ,
N-2
. W-3
N~4
3 Circuit Board/Schematic Diagrams
3-1 SENSOR/GRIP C.B.A, .
3-2 PROCESS C.B.A,
3-3 RECORDER MAIN C.B.A, (VIDEO SECTION) ...
3-4 RECORDER MAIN C.B.A, (SYSCON~SERVO SECTION) ....
Guide to diagrams
t, Color coding
(1) Signal lines in block diagrams
Camera section Syscon-servo section
Red ( ) ne Red (rm) : Drum servo signal
Gass) 7 ¢ (seem) : Capstan servo signal
Video section *
Red —) : Recording
{---=-) 3 Playback
(2) Voltage on circuit diagram de
Red 2 Recording
Black i Playback
(3) Signal lines on circuit diagrams
Camera section Recorder section
Red : Power supply line ~ ° Gray — (sanmamee) : Recording luminance +
Blue t Luminance signal Chrominance signals
Orange : Chrominance signal (Caneee ms) : Playback Luminance +
Gray (Crees) : Luminance + Chrominance signals
Chromiannce Blue (——-) : Recording luminance
signals signal
Recorder section (----+) : Playback luminance
Blue { > : Capstan PWM signal signal
i ) : Capstan ATF signal Orange (———) : Recording chrominance
(—-—) : Capstan FG signal signal
Orange ¢ ) : Drum PWM signal (--=-) : Playback chrominance
(- } : Drum FG signal signal
(—-—) :. Drum PG signai Red 9 (— +) Recording audio signal
(----)
Playback audio signal
(4) PC beard layout
Orange : Component side
Netted black (saws) : Soldering side
Black : Parts on component side
Biue +. Parts on soldering side