8.6.
INPUT/ OUTPUT SECTION IN MAIN SCHEMATIC DIAGRAM
A
B
C
D
E
1
2
3
4
5
6
7
1
3
5
7
9
11
13
15
17
19
21
2
4
6
8
10
12
14
16
18
20
JK4902
K1FB121B0003
AV1
(TV)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
AUDIO OUT
AUDIO IN
AUDIO OUT
GND(A)
GND
AUDIO IN
PB +12V
GND
GND
GND
GND (V OUT)
VIDEO OUT
VIDEO IN
GND
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON
THIS DIAGRAM IS RECORD MODE WITH PAL COLOUR SIGNAL.
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT THE BRACKETS( )ON
THIS DIAGRAM IS RECORD MODE WITH PAL COLOUR SIGNAL.
V
AUDIO OUT
GND (V IN)
V
:TO POWER SUPPLY/RF SECTION
R
:TO SYSTEM CONTROL & SERVO SECTION
S
:TO LUMINANCE & CHROMINANCE/AUDIO SECTION
NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR
ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
IIC CLOCK
IIC DATA
AUDIO IN
V
S
AV1 PB
VIDEO IN
V
PS 12V
R
S
VIDEO OUT
RFC VIDEO OUT
R
PROG
S
S
IO IIC CLOCK
S
IO IIC DATA
R
GND (AV)
GND
R
R4935
470
C4958
0.1
R4929
680
C4951
6V470
0.6
1.3
Q4907
2SB709A
(AMP)
R4909
75
LB4906
10K
TW4505
L4901
0.22u
C4913
47P
C1912
47P
TW4506
LB4905
10K
C4911
100P
TW4504
LB4907
470
C4915
470P
TW3004
TW3002
R4911
75
Q4903
2SD601A
R4913
10K
R4912
10K
Q4904
2SD601A
0.5
2.9
0
0.4
2.8
0
D4901
MA4075NM
D4902
MA4075NM
VIDEO MAIN SIGNAL PATH IN REC MODE
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
AUDIO MAIN SIGNAL PATH IN REC MODE
L4902
33u
TW4503
R4908
0
H
H
(PROG :ON)
H
(PROG :ON)
H
NV-MV20EG/EB/EBL,MV15EG/EP
INPUT/OUTPUT SECTION SCHEMATIC DIAGRAM
46