Panasonic NV-MV21GC, Service Manual

Page: 53 / 86

H
H
H
H
H
H
H
H
3300
R4652
0
R4651
470
R4601
16V10
C4601
15K
R4657
0
C4011
B7
10K
R4658
6V47
C4086
B11 B9
(BUFFER)
UN2115
QR4504
(MUTE)
UN2215
QR4506
-0.4 0
0
A2 A1
47K
R4602
6800P
C4603
470P
C4075
470:C/D
0:A/B/E
R4073
C/D
VLP0147:
0:A/B/E
LB4079
470
R4075
C/D
VLP0147:
0:A/B/E
LB4073
(C/D)
470P
C4079
P :TO POWER TRANSFORMER SECTION
1.7
2.4
4700
R4014
47K
R4013
B10
0
0
0
R4088
75
R3039
TL4503
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE AUDIO MAIN SIGNAL PATH IN REC MODE
16V10
C3062
B11
16V10
C4010
HA118425AF
IC3001
A7
25V4.7
C3042
TW3001
10K
R4018
15K
R3018
A5
6V22
C4018
20K
R4015
25V4.7
C4042
J0JBC0000070:C/D
0:A/B/E
LB4077
J0JBC0000070:C/D
0:A/B/E
LB4078
1800P
C4064
(C/D)
25V4.7
C4041
1000P
C4053
0.01
C5004
B1
B2
0.01
C5003
B3
(B/C/D/E)
50V1
C3046
(B/C/D/E)
A4 A3
0.1
C3047
(A)
2200
R3038
2.5 0 0 2.8 2.3 2.7 2.8
2.8 2.6 2.1 0 0 0
2.6
2.6
0
2.5
2.5
2.5
0.5
5.2
(0)
2.3
(0)
2.3
(0)
2.3
2.4
2.4
2.4
5.2
4.9
0
(3.3)
1.3
0
P
R
EP ON
CH2
CH1
SP ON
REC ON
PREAMP
VCA
SP1
SP2
SP1
INVERT
B-Y
SP2
R
P
CH1
CH2
SP
SP
INT
EXT
MUTE
REC
VCA
DET
EQ
REC
TRAP
FH
EXT INT
GAP
BAND
DET
MESECAM
CR DET
TANK
COME
HPF ENVDET
DETECTOR
LEVEL
COLOR
DET DET
SP2
SP1
SP2
SP1
74 75 76 77 78 79 80
7 6 5 4 3 2 1
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
6800P
C4061
470K
R4061
15K
R4062
270
R4063
6V22
C4062
(C/D)
15P
C4016
50V3.3
C4063
1800P
C4065
15K
R4071
(C/D)
6V220
C4051
0.1
C4052
6V100
C5005
0.1
C5006
56
µ
L5001
0.1
C3066
B10
(-24.0)
0.7
(-15.9)
0
0
(4.8)
0
(-24.5)
0.7
(0)
5.3
5.0
(PB:ON)
(PB:ON)
(D.A.REC :OFF)
1K
R4085
1K
R4084
2SD601A
Q4083
2SD1149
Q4082
UN2111
QR4081
VIDEO 5V R
TUNER 5V R
(PAL 9H :ON)
UN2211
QR4061
2200P
C4066
BIAS S
R
D.A.REC S
PAL 9H S
B1
B7
2
1
4
3
(TO CYLINDER UNIT)
P5001
VIDEO HEAD COM
VIDEO HEAD R
VIDEO HEAD L
B2
B3
TUNER AUDIO
R GND
P UNREG 6V
2
1
FULL ERASE OUT
FULL ERASE IN
(TO FULL ERASE HEAD)
P4001
(-0.8)
0.3
(4.6)
0.3
(4.8)
0
(0)
5.3
(4.4)
5.3
5.3
(4.9)
0.3
(OSC)
470
µ
L4081
12K
R4081
470P
C4082
2SD602A
Q4081
3300
R4082
6
4
1
0.022
C4081
2
EQQ7QF024Q
T4081
3
1800P
C4084
0.022
C4085
6V220
C4083
2200
R4086
2200
R4087
DRIVE)
(ERASE HEAD
2SB710A
Q4084
(BIAS :ON)
UN2213
QR4082
S
S
CTL HEAD (-)
CTL HEAD (+)
CTL HEAD(+)
CTL HEAD(-)
AUDIO HEAD(W)
AUDIO HEAD(R)
GND
AUDIO ERASE IN
6
5
4
3
2
1
(TO A/C HEAD)
P4002
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE VIDEO MAIN SIGNAL PATH IN REC MODE
75
R3212
(REAR JACK)
K2HA408B0069
JK3201
TL3002 TL3003 TL4505
OUT
VIDEO
OUT
AUDIO
IN
VIDEO
IN
AUDIO
8 7 6 5 4 3 2 1
6V470
C3051
(AMP)
2SB709A
Q3202 270
R3023
680
R3022
68
µ
L3304
16V47
C3050
0.1
C3049
A1
A2
A3
A4
A5
A7
A8
RFC AUDIO OUT
FM MUTE
TRACKING ENV.
MESECAM
HEAD SW
IIC DATA
IIC CLOCK
R
S
S
S
S
S
S
R RFC VIDEO OUT
S VIDEO OUT
R AV 12V
R :TO POWER SUPPLY/RF SECTION
S :TO SYSTEM CONTROL & SERVO SECTION
11 10
H
9 8 7 6 5 4 3 2 1
G
F
E
D
C
B
A
NV-MV21GN/GC/GCS/GCSX/EE/GCU/GH
LUMINANCE & CHROMINANCE/AUDIO SECTION SCHEMATIC DIAGRAM
WHEN REPLACING ANY OF THESE COMPONENTS,USE ONLY THE SAME TYPE.
COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY.
IMPORTANT SAFETY NOTICE:
ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR