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SCHEMATIC DIAGRAM-3 (SYSTEM CONTROL/SERVO/OSD SECTION)
MAIN (SYSCON/SERVO SECTION) C.B
0
0.9
2.9
1.8
1.8
12.2 12.2 0.9
0.4
(0.5)
To
LOADING
MOTOR
To/From
AUDIO/VIDEO
SECTION
To/From
(5/5)
LOWER
DRUM
To/From
(4/5)
CAPSTAN
MOTOR
(13/13)
From
MODE SW
GP1S566
GP1S566
0.2
0.2
5.0
R
0
0
To
AUDIO/VIDEO
SECTION
IC502
KA3082
LOADING
MOTOR DRIVE
0.4
(0.5)
R
0.4
0
0
0
0
5.1
4.5
4.5
1.5
(2/3)
3.5
0.2(2.3)
2.3(4.2)
5.1
(8/13)
(3/3)
0
(3/3)
HD3977RC36F
(9/13)
5.1
SYSCON/SERVO
5.0
IC504
0
PROCESSOR
KA7531Z
(2/3)
5.2
RESET
0
5.0(0)
(3/3)
0
(2/3)
5.1
2.5
1
2.5
2.7
2.4
2
0
2.5
0
0
(11/13)
(
(
3
4
5 6 7
5.3
5.1
R
0
5.3
5.1
R
0
(2/3)
ONE VOLTAGE:PB OR REC MODE
*
TWO VOLTAGES:PB AND (REC) MODE
23
(2/3)
(6/13)
2.7
0
3.1
5.0
5.4
0
5.4
2.5
2.5
0
0.8
1.5
0
IC501
0
0.2
5.0
0
0
0
5(0)
KA7542Z
4.9(4.5)
POWER FAIL
0
DET.
0
C-SYNC "H"
5.1
0
5.0
10
0(0.4)
2.4
X503
2.4
14.3178MHz
1.2(0)
9
8
(1/3)
(7/13)
(1/5)
5.3
5.4
4.6
R
0
0.1
0
4.9
5.3
5.6
(8/13)
(3/3)
:WAVE FORMS No.
FLD: Fluorescence Drive
DISPLAY
(3/3)
DISPLAY
DRIVE
RC5F1
TSOP1238SP1
5.4
REMOTE
SENSOR
3.6
0.7
24
14(3/3)
K.RTN1
From
FRONT-1 C.B
PKM02
(3/13)
13(3/3)
K.RTN0
To/From
FRONT-2 C.B
PMK01
(2/3)
IIC DATA
(4/13)
(2/3)
IIC CLOCK
VIDEO
To/From
TUNER/IF
SECTION
30
(3/3)
IIC DATA
(2/13)
(3/3)
IIC CLOCK
6
SQPB IN
6
To/From
AUDIO/
VIDEO
SECTION
(1/3)
(1/13)
5.1V(D)
To/From
POWER
SECTION
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