Magnavox MC132EMG/17, Руководство по обслуживанию

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1-8-1
T5515BLS
BLOCK DIAGRAMS
Servo/System Control Block Diagram
“
“ = SMD
CONTR
OL
HEAD
CL402
ACE HEAD ASSEMBLY
MAIN CBA
KEY 1
ST-SENS. T-REEL
KEY 0
DV-SYNC
C-SYNC
C-SYNC
V-ENV
REMOTE CTL(+) RESET
ROTA
D-REC-H
D-REC-H
REC-SAFETY
A-MUTE
SCL
SDA
A-MUTE
CTL(-)
DV-SYNC
V-ENV
ROTA
END-SENS.
IC201 (SERVO/SYSTEM CONTROL)
14 94 95
9 7
80 34
15 10 13 74 33 44 65 72
6 5
RS201
REMO
TE
SENSOR
CTL AMP OUT
97
AL+5V
D203 S-LED
CTL
TP201
(DECK
ASSEMBLY
)
END-SENS.
T-REEL
ST-SENS.
Q202
Q206
Q201
Q205
RESET
TIMER+5V
SP-MUTE
SP-MUTE
12
SW211
REC SAFETY
TO VIDEO BLOCK
TO AUDIO BLOCK
KEY SWITCH KEY SWITCH
SW201 SW204,SW206
SCL
(MEMORY)
SDA
6 5
REC LED
22
REC LED
23
P-DOWN
84
P-ON-H
P-DOWN
P-ON-H
31
D204
REC
AL+5V
LD-SW
1
I
2
C-OPEN
45 71
SW212 LD-SW
CS
7
TO POWER SUPPLY BLOCK
SW205,SW207 SW210
SDA SCL
TO CHROMA /TUNER BLOCK
SDA SCL
IC202
WF3
55
CTL(+)
66
CTL(-)
M
M
LOADING MOTOR
CAPSTAN MOTOR
SENSOR CBA (ST-SENSOR)
SENSOR CBA (END-SENSOR)
CL201
C-FG C-CONT D-PFG
90
76 87
LD-CONT
82
D-CONT
77
P-ON+12V P-ON+5V
CAPSTAN MOTOR
C-F/R
66
D/L+12V DEF+B
AFT-IN
AFT-IN
8
IF-MUTE
IF-MUTE
21
1
P-ON+12V
2
P-ON+5V(2)
3
C-FG
4
C-F/R
5
C-CONT
6
FG-GND
7
LD-CONT
8
D-CONT
9
D-PFG
10
M-GND
11
D/L+12V
12
D/L+15V
26
FM/TV-SW
FM/TV-SW
YCA-SOUT
YCA-SCLK
YCA-CS
68 69 70
YCA-SCLK
YCA-CS
YCA-SOUT
RF-SW
18
RF-SW
CYLINDER ASSEMBLY
DRUM MOTOR
PG SENSOR
M
NO
TE FOR
WIRE CONNECT
ORS:
1.
PREFIX SYMBOL "CN" MEANS CONNECT
OR.
(CAN DISCONNECT AND RECONNECT
.)
2.
PREFIX SYMBOL "CL" MEANS
WIRE-SOLDER
HOLES OF
THE PCB
.
(WIRE IS SOLDERED DIRECTL
Y
.)
TEST POINT INFORMA
TION
:INDICA
TES A
TEST POINT
WITH A JUMPER
WIRE A
CR
OSS A HOLE IN
THE PCB
.
:USED
T
O INDICA
TE A
TEST POINT
WITH A COMPONENT LEAD ON FOIL SIDE.
:USED
T
O INDICA
TE A
TEST POINT
WITH NO
TEST PIN.
:USED
T
O INDICA
TE A
TEST POINT
WITH A
TEST PIN.
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