Panasonic NV-VP31GL Manual page 165

16.5. LUMINANCE & CHROMINANCE/AUDIO SECTION IN MAIN SCHEMATIC DIAGRA
H
G
F
E
D
C
B
A
P :TO POWER SUPPLY/RF SECTION
S :TO SYSTEM CONTROL & SERVO SECTION
A :TO Hi-Fi AUDIO SECTION
I :TO DVD INTERFACE SECTION
D :TO DECODER SECTION
L3701
68u
P AV 12V
S IIC CLOCK
S IIC DATA
S FM MUTE H
S HEAD SW
S MESECAM H
S TRACKING ENV.
I DVD VIDEO OUT
S DVD OUT H
S VIDEO OUT
P RFC VIDEO OUT
A AUDIO IN (R)
A AUDIO OUT (R)
A AUDIO IN (L)
A AUDIO OUT (L)
P4002
(TO A/C HEAD)
AUDIO ERASE IN 1
GND 2
AUDIO HEAD (R) 3
AUDIO HEAD (W) 4
CTL HEAD(-) 5
CTL HEAD(+) 6
S CTL HEAD (+)
S CTL HEAD (-)
P4001
(TO FULL ERASE HEAD)
FULL ERASE IN 1
FULL ERASE OUT 2
P UNREG 6V
P GND
P5001
(TO CYLINDER UNIT)
LP/EP R 1
LP/EP COM 2
LP/EP L 3
SP R 4
SP COM 5
SP L 6
GND 7
AUDIO HEAD L 8
AUDIO HEAD COM 9
AUDIO HEAD R 10
A AUDIO HEAD R
A AUDIO HEAD COM
A AUDIO HEAD L
S SP L
S BIAS H
S PAL 9H H
S D.REC H
P D TUNER AUDIO (N)
A AUDIO IN (N)
A AUDIO OUT (N)
P AUDIO 5V
P VIDEO 5V
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE
WITH PAL COLOUR.(SP MODE)
1
VIDEO MAIN SIGNAL PATH IN REC MODE
AV1 IN
VHS/DVD OUT
JK33001
K2HA609B0003
AUDIO AUDIO
IN(R) OUT(R)
9 8
TL4406 TL4404
A9
A8
A7
LB4406 LB4404
A6
0 0
A5
A4
A3
A2
A1
R4404
R4406
0 470
B1
B2
B3
B4
B5
B6
B7
B8
B9
2 3
AUDIO AUDIO VIDEO VIDEO
IN(L) OUT(L) IN OUT
7 6 5 4 3 2
TL4405 TL4403 TL3712 TL3711
LB4405 LB4403
0 0
R4405 R4403
0 470
T4081
EQQ7QF024Q
R4081 C4082
10K 470P
3
2
C4081
0.022
1
C4084
1800P
R4086 5.3
2200
5.3
Q4084
(4.4)
2SB710A
R4087
2200
0.3
5.3
(4.9)
(0)
0
QR4082
(4.8)
UN2213
(BIAS H :ON)
C4066
2200P
0
QR4061
0
UN2211
(PAL 9H H :ON)
5.0
R4084
0
QR4081
1K
(4.8)
UN2111
(D.A.REC H :OFF)
5.3
(0)
R4085
1K
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF
WITH PAL COLOUR SIGNAL.(SP MODE)
4
VIDEO MAIN SIGNAL PATH
1
R3718 C3716
680 0.1
IC3703
C1AB00001
R3711
68
C3715
6V470
2.6
Q3702
2.0
2SB1218A
(AMP)
4
0.3
(4.6)
R4082
0.3
Q4081
3300
(-0.8)
6 2SD60
(OSC)
C4085
0.022
(ERASE HEAD
DRIVE)
L4081
470u
C4083
6V47
0
QR3004
0
UN2213
(LP/EP:ON)
0
0.7
Q4082
(-24.5)
2SD1149
(PB:ON)
0
(-15.9)
0.7
Q4083
(-24.0)
2SD601A
(PB:ON)
5
70