FUNAI T3A-A8182DB, Service Manual

Page: 24 / 91

1-12-1
BLOCK DIAGRAMS
Servo/System Control Block Diagram
E3B40BLS
M
LOADING MOTOR
CAPSTAN MOTOR
CONTR
OL
HEAD
5
CTL(+)
6
CTL(-) CN504
ACE HEAD ASSEMBLY
AV CBA
KEY- 1
ST-S T-REEL CTL(+)
RESET
PG-DELAY REC-LED CTL(-)
D-V-SYNC
D-REC-H
RF-SW
H-A-SW
C-ROTA
END-S
94 95 10
4
80
34
2
7
REMOCON-IN
14
(DECK ASSEMBLY)
T-REEL
Q515 Q514,
RESET
Q506
S-REEL
79
SW-POINT
AL+5V
VR501
AL+5V
S-REEL
PS502
TP502
IIC-BUS SDA IIC-BUS SDA
IIC-BUS SCL
VCR-AUDIO-MUTE
IIC-BUS SDA
IIC-BUS SCL
Hi-Fi-H-SW
A-MODE
VCR-AUDIO-MUTE
Hi-Fi-H-SW
A-MODE
H-A-COMP
V-ENV
S-DATA-OUT S-CS
65 64 66
S-DATA-IN
67
S-CLOCK
S-DATA-OUT S-CS S-DATA-IN S-CLOCK
60
C-POW-SW
75
P-ON-H
C-POW-SW
P-ON-H
TO VIDEO BLOCK DIAGRAM TO Hi-Fi AUDIO BLOCK DIAGRAM TO AUDIO BLOCK DIAGRAM
32 19 83
DRV-DATA
1G 7G
a
i
68
DRV-CLK
70
DRV-STB
DIN CLK STB
69
28
7
16 23 17
1 2
IIC-BUS SCL
D-V-SYNC
D-REC-H
RF-SW
H-A-SW
C-ROTA
IIC-BUS SDA
H-A-COMP
V-ENV
C-SYNC
C-SYNC
IIC-BUS SCL
LD-SW
9
AL+5V(2)
SW507 LD-SW
AL+5V
D555 S-LED
D520 VCR-REC
RS1501
IC501 (SERVO/SYSTEM CONTROL)
IC612
(VFD DRIVER)
SENSOR CBA SENSOR CBA
END-S
ST-S
Q504 Q503
REC-SAF-SW
31
SW506
AL+5V(2)
REC-SAFETY
REMOTE SENSOR
END-S
CTL
97
TP503
CTL
FL601
GRID SEGMENT
VFD
CN502
C-FG C-CONT D-PFG
C-F/R
90 76 87
78
LM-F/B/R
81
D-CONT
77
3
C-FG
4
C-F/R
5
C-CONT
7
LM-F/B/R
8
D-CONT
9
D-PFG
58
6
17 16 13 15 18 33 71 72
KEY SWITCH
CYLINDER ASSEMBLY
DRUM MOTOR
PG SENSOR
M
M
CAPSTAN MOTOR
MOTOR DRIVE CIRCUIT
FL-DIN
FL-CLK FL-STB
REMOTE
TO SUB SYSTEM CONTROL BLOCK DIAGRAM
TO SUB SYSTEM CONTROL BLOCK DIAGRAM TO SUB POWER SUPPLY BLOCK DIAGRAM
26
AL+5V
Q520