SYSTEM CONTROL/OPERATION/POWER/IN/OUT BLOCK DIAGRAM
Q1018
SW
Q1017
V. REF CTL
P. CON 5V
CP1002
3
5
7
16
18
19
20
CYL DRIVE
CYL FG
CYL PG
FG
V. REF
AUDIO PB
AUDIO REC
Y/C/HEAD AMP
AUDIO REC
AUDIO PB
TUNER/AUDIO/IF
SYSCON/SERVO
IC1001
OEC9032B
VIDEO H. SW 38
VIDEO ENV. DET
5
TRICK PB
5V DRIVER
TRICK PB L 33
Q1010
NTSC-H
68
ENV. DET
H. SW
NTSC-H
TRICK PB H
Y/C/HEAD AMP
71
SENS LED
Q1052
SENSOR
LED DRIVER
D1001
Q1051
BUFFER
REC LED 60
61
T-REC LED
4
2
Q1055
Q1056
BOT
CAS. DOWN/SERVICE
EOT
TAB SW
EOT SENSOR
BOT SENSOR
3
SW1010
REEL S
69
SUPPLY REEL
SENS.
Q1053
REEL T
70
TAKE UP
REEL SENS.
Q1054
63
62
CLOCK 0
CLOCK 1
X1001
8MHz
Q756
POWER
LED SW
P. CON 5V
Q757
POWER SW
D793
D791
D792
D794
44
PWM 0
12
DFG IN
13
DPG IN
15
CFG OUT
KEY B
KEY A
CH. UP
PLAY
VOL. DOWN
TV
STOP/EJECT
POWER
ON/OFF
FF/CUE
REW
VOL. UP
PLAY BACK
CH. DOWN
REC/OTR
9V REG.
VCR POWER H
AT+12V
1
AT 5.6V
REMOTE
3
Q758
PLAY BACK
LED SW
D795
PB LED
Q1030
P. ON SW
Q1031
DRIVER
Q1028
P. ON SW
Q1029
DRIVER
IC1003
NJM7809FA
OS753
1
2
3
AV SW VIDEO IN
2
4
AV SW AUDIO IN
J4501
VCR VIDEO OUT
Q4502
BUFFER
2
4
VCR AUDIO OUT
J4502
RECORD LUMINANCE SIGNAL
PLAYBACK LUMINANCE SIGNAL
RECORD COLOR SIGNAL
PLAYBACK COLOR SIGNAL
TUNER VIDEO SIGNAL
AUDIO SIGNAL (REC)
AUDIO SIGNAL (PB)
CYLINDER AFC SIGNAL
CYLINDER APC SIGNAL
CAPSTAN AFC SIGNAL
NTSC SW
Q1002
CP802
7
VIDEO OUT
TEST POINT
8
AUDIO OUT
Y/C/HEAD AMP
I-3