8.5.
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
:TO POWER SUPPLY/RF SECTION
:TO SYSTEM CONTROL & SERVO SECTION
:TO Hi-Fi AUDIO SECTION
:TO TIMER SECTION
10
11
12
C4026
10V22
R4027
3300
C4030
6V220
L4003
68u
R4028
2700
Q4005
2SB710
C4028
0.022
CTL HEAD (+)
CTL HEAD (-)
SHORT DET
BIAS
S
S
S
S
FULL ERASE OUT
FULL ERASE IN
1
2
P4002
(TO FULL ERASE HEAD)
C4029
1500P
3
T4002
EQQ7QF024P
2
C4031
0.022
1
4
6
R4029
3300
Q4006
2SD602A
2
GND
1
AUDIO ERASE IN
P4003
(TO A/C HEAD)
3
A.HEAD (R)
4
A.HEAD (W)
5
CTL HEAD (-)
6
CTL HEAD (+)
C4032
220P
R4030
8200
:TO INPUT/OUTPUT SECTION
R4026
4700
2
1
3
4
5
6
7
8
P3502
(TO CYLINDER UNIT)
9
10
A15
A16
A18
A19
A20
S
D.A.REC
S
PAL EP
R
R
R
BIAS 5V
VIDEO 5V
GND
QR4003
UN2111
VIDEO MAIN SIGNAL PATH IN REC MODE
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
AUDIO MAIN SIGNAL PATH IN REC MODE
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
A
AUDIO HEAD COM
A
AUDIO HEAD L
AUDIO HEAD R
A
LP R
LP COM
LP L
SP R
SP COM
SP L
GND
AUDIO HEAD L
AUDIO HEAD COM
AUDIO HEAD R
A17
A11
S
MUTE
A10
AUDIO IN (N)
A
A
AUDIO OUT (N)
A9
A8
FM MUTE
A
R
TUNER AUDIO (N)
A7
A6
CURR. EMPH
S
S
D.REC
A5
A4
TRACKING ENV.
S
S
ENV. SELECT
A3
A2
H.AMP SW
S
S
HEAD SW
A1
R4009
2200
R4010
2200
Q4001
2SD601A
Q4002
2SD601A
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
NC
NC
NC
NC
NC
NC
NC
GND
GND
HEAD AMP SW
HEAD SW
IC3501
AN3368SB
+
HA1
-
L
H
HA2
-
L
H
HA3
-
H
L
-
HA4
+
H
L
CHROMA
AMP
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
NC
NC
NC
NC
CURR.EMPH
NC
NC
GND
NC
VCC
AT
ZAP
CMP
DET
DET
A2
A1
C3003
1000P
C3002
1000P
A19
A20
A16
LB3501
VLP0147
C3506
0.1
A18
LB3502
VLP0147
C3507
0.1
LB3503
VLP0147
C3508
0.1
A17
A15
LB3504
VLP0147
C3509
0.1
R4001
1K
QR4001
UN2212
C4001
2200P
A3
C3503
0.01
A4
A5
A6
C3505
0.01
R3501
100
C3510
0.1
C3511
0.1
QR3502
UN2212
R3503
390
R3504
300
C3502
0.01
C3501
6V47
L3501
33u
B1
B2
B3
R3506
360
QR4005
UN2113
R4022
560
LB4908
0
C4946
2200P
A11
A10
A9
A8
A7
QR4002
UN2211
C4009
1
R4011
470
C4010
0.027
(D.A.REC
(AUDIO ERASE DRIVE)
(OSC)
(PB:ON)
(PB:ON)
TW2001
TW3030
TW3001
(BUFFER)
5.0
5.0
(4.1)
0.4
(4.9)
0.3
(-0.6)
0.4
(4.7)
0.7
(-23.1)
0(3.6)
0
(-14.9)
0.7
(-23.1)
5.0(-23.0)
0
(4.9)
5.0
0
0
2.4
0
0
(2.7)
0.7
(2.9)
0.7
(2.9)
0.7
(2.4)
0.7
(2.4)
0
(2.5)
0
0
0
0
0
0
0
0
5.0
0
4.9
0.8
(3.4)
0
1.4
2.4
(0)
2.7
(1.9)
3.9
(2.2)
0
0
(4.9)
0
0
0
0
0
0
0
0
-0.4
(-0.1)
0
0
0
R
S
A
I
T
L
L
H
H
H
H
H
:OFF)
H
LP H
REC H
(LP
:ON)
H
:ON)
(PAL EP H
:ON)
(PAL EP H
WITH PAL COLOUR SIGNAL.(SP MODE)
NOTE:THE MEASUREMENT MODE OF THE DC VLOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE
NV-FJ632EE
LUMINANCE & CHROMINANCE/AUDIO SECTION SCHEMATIC DIAGRAM
36
Summary of Contents for NV-FJ632EE
Page 1: ...ORDER NO VRD0203011C2 Video Cassette Recorder NV FJ632EE Z MECHANISM SPECIFICATIONS 1 ...
Page 7: ...7 ...
Page 10: ...5 install the Cylinder Stator Unit 6 Tighten 2 screws A Fig S7 10 ...
Page 21: ...4 REMOVAL OF THE MAIN C B A Remove 4 screws F Unlock 4 Tabs G Fig D5 21 ...
Page 23: ...5 SERVICING POSITION Fig D7 23 ...
Page 29: ...3 3 8 CIRCUIT BOARD LAYOUT 4 ABBREVIATIONS 29 ...
