20
19
SCHEMATIC DIAGRAM-2 (AUDIO/VIDEO SECTION)
VIDEO
AUDIO
IN
OUT
IN
OUT
From
POWER
SECTION
T
o/From
SYSCON/SER
VO
SECTION
TU VIDEO
LINE VIDEO
From
TUNER/IF
SECTION
(1/6)
(1/4)
R
R
EMPH
VIDEO/AUDIO
PROCESSOR
(6/6)
(2/4)
(3/4)
(4/4)
T
o/From
SYSCON/SER
VO
SECTION
SQPB IN
IN
(4/6)
(3/6)
(2/6)
809 MOD.A.IN
T
o/From
TUNER/IF
SECTION
(5/6)
3.5796MHz
X301
MAIN (AUDIO/VIDEO SECTION) C.B
TU AUDIO
VIDEO
5.1V(D)
5.1V(A)
2.5
2.5
0
0
0
0
2.5
0
2.8
2.5
2.5
2.5
2.5
2.5
5.0
1.6
(2.1)
1.6
(2.1)
2.3
-
(0)
1.8
(0)
2.1
2.8
2.8
2.1
2.2
(2.4)
2.8
2.1
1.4
2.1 0
2.8
1.9
2.8
-
-
0
0
0
2.7
2.7
1.7
5.1
5.1
5.1
5.1
5.1
2.5
0
0
0
0
-
-
-
2.8
1.9
2.1
2.8
-
2.8
2.8
2.8
5.0
-
-
-
2.3
(0)
5.0
5.0
0
2.5
2.5
2.1
2.2
2.1
-
(2.7)
2.1
-
-
2.8
2.1
(-)
-
1.9
-
1.1
-
-(0)
0
5.1
5.0
-
-
-
2.5
2.1(2.3)
2.1(2.3)
2.1(2.3)
2.1(2.3)
2.1(2.3)
2.1(2.3)
2.1(2.3)
2.1
(2.3)
0
(1.4)
1
2
3
3
3
4
5
6
7
8
9
9
10
11
12
12
12
12
13
13
13
13
0.3
(0.6)
0.3
(4.8)
0
0.3(4.5)
4.9
(4)
4.9
(0)
5.0
5.0
4.8
4.8
0
(4.8)
0
(4.8)
4.2
(4.8)
4.9
(-12.8)
0.7
(-13)
0
(-6.3)
0.7
(-13)
To
FULL ERASE
HEAD
To/From
ACE
HEADS
To/From
CYL.
HEADS
:REC Y SIGNAL
:REC CHROMA SIGNAL
:REC VIDEO SIGNAL
:PB VIDEO SIGNAL
:PB Y SIGNAL
:PB CHROMA SIGNAL
:PB AUDIO SIGNAL
:WAVE FORMS No.
:REC AUDIO SIGNAL
ONE VOLTAGE:PB OR REC MODE
TWO VOLTAGES:PB AND (REC) MODE
*
