Block Diagrams - Toshiba DVR80KF Service Manual

Servo/System Control Block Diagram
(DECK ASSEMBLY)
ACE HEAD ASSEMBLY
5
CONTROL
HEAD
6
Q504
ST-S
BOARD SENSOR
Q503
END-S
BOARD SENSOR
CYLINDER ASSEMBLY
PG
SENSOR
DRUM
M
MOTOR
CAPSTAN
MOTOR
M
LOADING
MOTOR

BLOCK DIAGRAMS

SW507
LD-SW
CN504 AL+5V
CTL(+)
CTL(-)
TP502
END-S
AL+5V
Q506
D555
S-LED
VR501
SW-POINT
CAPSTAN MOTOR
CN502
3 C-FG
4 C-F/R
MOTOR 5 C-CONT
DRIVE
7 LM-FWD/REV
CIRCUIT
8 D-CONT
9 D-PFG
M
SYS+5V
P-DOWN-H
C-POW-SW
TO SUB
POWER SUPPLY
P-ON-H
BLOCK DIAGRAM
MAIN-ON
IC501
(SERVO/SYSTEM CONTROL)
9 LD-SW
CTL(+)
95
CTL(-)
94
ST-S
100
4 END-S
80 T-REEL
S-REEL
79
PS502
T-REEL S-REEL
AL+5V
TP503
CTL
97
CTL
2 PG-DELAY
87 C-FG
78 C-F/R
76 C-CONT
81
LM-FWD/REV
77 D-CONT
90 D-PFG
VCR-AUDIO-MUTE
AL+5V 31
REC-SAF-SW
SW506
REC-SAFETY
Q514
RESET
RESET 34
RS1501
REMOTE
REMOTE
14
SENSOR
32 P-DOWN-H
82 C-POW-SW
75 P-ON-H
83 MAIN-ON
1-13-1
NOTE: BOARD MEANS PRINTED CIRCUIT BOARD.
IC612 (VFD DRIVER)
1G 42
36
7G
DRV-DATA 68 7 DRV-DIN
DRV-CLK 70 8 DRV-CLK
P1 20
DRV-STB 69 9 DRV-STB
23
P2
P4 25
P5 28
P7 26
P8 21
22
P9
2
DVD-LED
VCR-LED 3
POWER-LED 1
27
Hi-Fi-H-SW 19
A-MODE
28
IIC-BUS SDA
72
IIC-BUS SCL
71
D-REC-H
33
RF-SW 18
C-ROTA
15
D-V-SYNC
13
H-A-SW
16
H-A-COMP 17
V-ENV 6
C-SYNC 58
TRICK-H 62
SECAM-H 61
BOARD AV
FL601
GRID
VFD
SEGMENT
DVD-LED
TO SUB SYSTEM
VCR-LED
CONTROL
POWER-LED
BLOCK DIAGRAM
IIC-BUS SDA
TO DTV MODULE
IIC-BUS SCL
BLOCK DIAGRAM
IIC-BUS SDA
TO AUDIO SELECTOR
IIC-BUS SCL
BLOCK DIAGRAM
IIC-BUS SDA
TO VIDEO SELECTOR
IIC-BUS SCL
BLOCK DIAGRAM
IIC-BUS SDA
IIC-BUS SCL TO AUDIO
BLOCK DIAGRAM
VCR-AUDIO-MUTE
IIC-BUS SDA
IIC-BUS SCL
TO Hi-Fi AUDIO
Hi-Fi-H-SW
BLOCK DIAGRAM
A-MODE
IIC-BUS SDA
IIC-BUS SCL
D-REC-H
RF-SW
C-ROTA
D-V-SYNC
TO VIDEO
H-A-SW
BLOCK DIAGRAM
H-A-COMP
V-ENV
C-SYNC
TRICK-H
SECAM-H
E9TK5BLS