Durabrand T6609BK, Service Manual

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1-9-1
BLOCK DIAGRAMS
Servo/System Control Block Diagram
T6609BLS
CONTR
OL
HEAD
CL402
ACE HEAD ASSEMBLY
MAIN CBA
KEY-2
RF-SW
ST-SENS. T-REEL
KEY-1
DV-SYNC
C-SYNC
C-SYNC
V-ENV
REMOTE CTL(+) RESET
C-ROTA
REC-SAFETY
A-MUTE-H
SCL
SDA
A-MUTE-H
CTL(-)
RF-SW
DV-SYNC
V-ENV
C-ROTA
END-SENS.
IC201 (SERVO/SYSTEM CONTROL)
14 94 95 10
4
80 34
18 15
6
13 74 31 20 72
8 7
RS201
REMO
TE
SENSOR
CTL AMP-OUT
97
AL+5V
D201 S-LED
CTL
TP001
(DECK
ASSEMBLY
)
END-SENS.
T-REEL
ST-SENS.
Q202
Q205
Q201
Q204
RESET
TIMER+5V
47
EXT-L
SP-MUTE
SP-MUTE
44
SW211
REC SAFETY
TO VIDEO BLOCK TO AUDIO BLOCK
KEY SWITCH KEY SWITCH
SW201 SW205
SCL
(MEMORY)
SDA
6 5
REC-LED
24
REC-LED
23
P-DOWN-L
85
P-ON-H
P-DOWN-L
P-ON-H
67
D202
REC
AL+5V
LD-SW
9
I
2
C-OPEN
45 71
AL+5V
SW212 LD-SW
CS
7
TO POWER SUPPLY BLOCK
SW206 SW210
SDA
SCL
TO TV BLOCK
SDA
SCL
IC202
WF3
I
2
C-OPEN
M
M
LOADING MOTOR
CAPSTAN MOTOR
SENSOR CBA (ST-SENSOR)
SENSOR CBA (END-SENSOR)
4
C-F/R
1
CM+12V
11
AL+12V(1)
2
P-ON+5V(3)
6
FG-GND
3
C-FG
5
C-CONT
10
M-GND
7
LD-CONT
8
D-CONT
9
D-PFG
12
VG
CN201
C-FG C-CONT D-PFG C-F/R
90 76 87 78
LD-CONT
81
D-CONT
77
CM+12V AL+12V(1) P-ON+5V(3)
CAPSTAN MOTOR
D-REC-H
D-REC-H
SDA
SCL
42 48 29
EXT-L
SCART-H
SCART-MUTE
SCART-H
SCART-MUTE
D204
ST
ANDBY
2
CTL(+)
1
CTL(-)
+33V
CYLINDER ASSEMBLY
DRUM MOTOR
PG SENSOR
M