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R :TO POWER SUPPLY/RF SECTION
VIDEO MAIN SIGNAL PATH IN REC MODE A6 A1 A2 A3 A4 A5
S :TO SYSTEM CONTROL & SERVO SECTION
A :TO Hi-Fi AUDIO SECTION VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
H I :TO INPUT/OUTPUT SECTION AUDIO MAIN SIGNAL PATH IN REC MODE TW3001
D :TO DECODER SECTION
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE C3042 5.0
1
Q3001 2.2 R3010 C3028
R3009 R3011
2SD601A 15K 10K 50V4.7 100
(AMP)
1.5
2.5 0 0 2.8 2.3 2.7 2.8
80 79 78 77 76 75 74
B-Y
INVERT

G S
S
SYS IIC DATA
MUTE H
A5
A4
C3027
50V1
4.9 CR DET
S HEAD SW A3 81 TANK COME
S MESECAM DET H A2
S TRACKING ENV. A1
S A FSC MESECAM
0
82 DET
R3017
1K
C5007
1.3 R COLOR DET DET
P4002 0.1 LEVEL
(3.3) DETECTOR
(TO A/C HEAD) 83
AUDIO ERASE IN 1 T4001
EQQ7QF024P P
GND 2 R4014 C4020 L5001
AUDIO HEAD (R) 3 16K 220P 68u 5.2
AUDIO HEAD (W) 4 3 4 84 ENVDET HPF
CTL HEAD (-) 5
C5005 C5006
F CTL HEAD (+) 6 0.1 6V47 C5004
0.01 2.4
2 B6 85
0.3
C3021 (4.6)
0.022 R4017 0.3
3300 (-0.8) Q4005 2.4 SP2
S CTL HEAD (+) 1 6 2SD602A B5 86
S CTL HEAD (-) (OSC) CH2
C5003 SP2
REC
0.01 2.4 CH1 MUTE
B4 87
P4001
(TO FULL ERASE HEAD) C4022 SP1
FULL ERASE OUT 1 1500P
FULL ERASE IN 2 88
SP1 VCA
C4024
E 0.022 C5002
0.01
2.3
(0) EXT
B3 89

R BIAS 5V
R GND 2.3 INT
R4020 C4026 R4019 C4025 5.3 (0) SP2
R GND (SYS) 4700 16V10 6800 10V22 B2 90
5.3 SP
R GND (A) (4.4) Q4006
R GND (HA) 2SB710A C5001 2.3
SP2 CH2
R GND(V) (ERASE HEAD 0.01
R4018 DRIVE) (0)
R GND (NA) 4700 B1 91 SP
0.3 CH1
5.3 (4.9)
(0) SP1
L4002 EXT INT
0 5.2
(4.8) QR4005 68u 92
S BIAS H UN2212 SP1
D (BIAS H :ON)
C4023 R4008
330K
C4012
50V4.7
10V47 0.5
93

C4011
8200P 2.5
94 FH
P5001 TRAP
(TO CYLINDER UNIT) SP ON
R4007
LP/EP R 1 B1 10K LB4003
LP/EP COM 2 B2 J0JBC0000070 PREAMP
2.5
LP/EP L 3 B3 95
SP R 4 B4
C4009
SP COM 5 B5 C4008 LB4001 6V22
REC ON R P
SP L 6 B6 25V3.3 J0JBC0000070 2.5
GND (HA) 7 96
AUDIO HEAD L 8
C4003 R4003 C4004 LB4002
C AUDIO HEAD COM
AUDIO HEAD R
9
10
4700P 22K 1200P 0
EP ON
0
97
0
R4001 R4002
3300 0
QR4001 100K R4004
VCA
UN2211 220 2.6 REC
DET
(PAL EP H :ON) 98 EQ
C4001
6V100
A AUDIO HEAD R R4006 C4006
A AUDIO HEAD COM 22K 25V4.7
A AUDIO HEAD L 99

C4005
6V22 2.6
100
C3071
B 0.1
5.0 BAND
0 GAP
0 R4015 0.7
S PAL EP H (4.8) QR4002 4700 (-24.5) Q4003
S D.A.REC H UN2111 2SD114900L 1 2 3 4 5 6 7
(D.A.REC H :OFF) (PB:ON) IC3001 0 0 0 5.2 2.1 2.6 2.8
D TUNER AUDIO (N) B7 HA118425F
A AUDIO IN (N) B8 5.3 0
(0) (-15.9) C4016 C4017 C4018 C4019
A AUDIO OUT (N) B9 R4016 L4001 0.1 50V1 16V10
0.7 16V10
2200 (-24.0) Q4004 0
2SD601A
(PB:ON)
C4013 C4014 R4013
0.01 6V47 100
R4009 R4011 R4012 R4010
33K 24K 820 10K

A R PS 5V
R VIDEO 5V
B7 B8 B9


NOTE:THE MEASUREMENT MODE OF THE DC VLOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE NV-HV65EC,HV60EB/EBL/EC/EP,HV55EC,HV50EC
WITH PAL COLOUR SIGNAL.(SP MODE) WITH PAL COLOUR SIGNAL.(SP MODE) LUMINANCE & CHROMINANCE/AUDIO SECTION SCHEMATIC DIAGRAM
1 2 3 4 5 6 7 8 9 10