Panasonic NV-VP31GL, Manual

Page: 165 / 194

16.5. LUMINANCE & CHROMINANCE/AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM
A
B
C
D
E
F
G
1 2 3 4 5 6 7 8 9
H
10 11
:TO DECODER SECTION D
A :TO Hi-Fi AUDIO SECTION
:TO SYSTEM CONTROL & SERVO SECTION S
:TO POWER SUPPLY/RF SECTION P
VIDEO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
P4002
(TO A/C HEAD)
1
2
3
4
5
6 AUDIO ERASE IN
GND
AUDIO HEAD (R)
AUDIO HEAD (W)
CTL HEAD(-)
CTL HEAD(+)
CTL HEAD (+)
CTL HEAD (-) S
S
QR4082
UN2213
(BIAS :ON)
Q4084
2SB710A
(ERASE HEAD
DRIVE)
R4087
2200
R4086
2200
C4083
6V47
C4085
0.022
C4084
1800P
3
T4081
EQQ7QF024Q
2
C4081
0.022
1
4
6
R4082
3300
Q4081
2SD602A
C4082
470P R4081
10K
L4081
470u
(OSC)
0.3
(4.9)
5.3
5.3
(4.4)
5.3
(0)
0
(4.8)
0.3
(4.6)
0.3
(-0.8)
P4001
(TO FULL ERASE HEAD)
FULL ERASE IN
FULL ERASE OUT 1
2
UNREG 6V P
GND P
A
AUDIO HEAD L A
TUNER AUDIO (N)
B3
B6
B5
B4
B2
AUDIO HEAD R
AUDIO HEAD COM
SP R
SP COM
SP L
10
9
GND
AUDIO HEAD L
LP/EP L
LP/EP R
LP/EP COM
P5001
(TO CYLINDER UNIT)
8
7
6
3
4
1
2
5
B9
B8
B7
B1
S PAL 9H
S D.REC
D
A
A
AUDIO IN (N)
AUDIO OUT (N)
AUDIO HEAD R
AUDIO HEAD COM
A
S BIAS
C4066
2200P
QR4061
UN2211
(PAL 9H :ON)
P AUDIO 5V
P VIDEO 5V
QR4081
UN2111 Q4082
2SD1149
Q4083
2SD601A
R4084
1K
R4085
1K
(D.A.REC :OFF)
(PB:ON)
(PB:ON)
5.0
5.3
(0)
0.7
(-24.5) 0
(4.8)
0
0
(-15.9)
0.7
(-24.0)
B11
C3066
0.1
R4071
15K C4065
1800P
C4063
50V3.3
C4062
6V33 R4063
200
R4062
10K
R4061
330K
C4061
0.01
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
1 2 3 4 5 6 7
80 79 78 77 76 75 74
SP1
SP2
SP1
SP2
DET DET
COLOR
LEVEL
DETECTOR
ENVDET HPF
COME
TANK
CR DET
MESECAM
DET
BAND
GAP
INT EXT
FH
TRAP
REC
EQ
DET
VCA
REC
MUTE
EXT
INT
SP
SP
CH2
CH1
P
R
SP2
B-Y
INVERT
SP1
SP2
SP1
VCA
PREAMP
REC ON
SP ON
CH1
CH2
EP ON
R
P
0
1.3
(3.3)
0
4.9
5.2
2.4
2.4
2.4
2.3
(0)
2.3
(0)
2.3
(0)
5.2
0.5
2.5
2.5
2.5
0
2.6
2.6
0 0 5.2 2.1 2.6 2.8
2.8 2.7 2.3 2.8 0 0 2.5
B6
B5
C5001
0.01
B4
C5002
0.01
B3
C5003
0.01
B2
B1
C5004
0.01
C4064
1800P
LB4078
0
LB4077
0
C4042
50V4.7 R4015
20K C4018
6V22
A6
R3018
15K
A7
R4002
10K
TW3001
C3042
50V4.7
A8
B7
IC3001
HA118425AF
C4010
35V10
B9
C3062
35V10
AUDIO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
0
0
S SP
P
QR3004
UN2213
(LP/EP:ON)
B10
R4017
56K R4016
47K
B8
R4011
4700 R4012
15K
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE
WITH PAL COLOUR.(SP MODE)
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
0
0
C4041
50V4.7
I :TO DVD INTERFACE SECTION
AV 12V P
S
S
S
S
S
S
I
S
S
IIC CLOCK
IIC DATA
FM MUTE
HEAD SW
MESECAM
TRACKING ENV.
DVD VIDEO OUT
DVD OUT
VIDEO OUT A9
A8
A7
A6
A5
A4
A3
A2
A1
RFC VIDEO OUT P
A AUDIO IN (R)
AUDIO OUT (R)
A
A
AUDIO IN (L)
AUDIO OUT (L)
A
L3701
68u
9 8 7 6 5 4 3 2 1
AUDIO
IN(R) AUDIO
OUT(R) AUDIO
IN(L) AUDIO
OUT(L) VIDEO
OUT VIDEO
IN
TL4406 TL4404 TL4405 TL4403 TL3712 TL3711
LB4406
0 LB4404
0 LB4405
0 LB4403
0
R3711
68
R4406
0
R4404
470 R4405
0 R4403
470
R3718
680 C3716
0.1
C3715
6V470
Q3702
2SB1218A
(AMP)
2.6
2.0
8 7 6 5
4 3 2 1
IC3703
C1AB00001192
L H
R3717
470
R3702
3300 C3712
0.1
A1 A2 A3
C3713
0.1 R36033
220 C3714
0.01
R3712
75
L5001
68u
C5006
0.1 C5005
6V100
R3038
2200
(GL)
C3046
1
(GC/GCS)
A4 A5
C3047
0.1
C4052
0.1
JK33001
K2HA609B0003
AV1 IN
VHS/DVD OUT
2.6 0 2.3
1.9 5.2
H
H
H
H
H
H
L
H
H
H
NV-VP31GL/GC/GCS
LUMINANCE & CHROMINANCE/AUDIO SECTION SCHEMATIC DIAGRAM
70