Panasonic NV-MV20EG Service Manual page 140

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