Panasonic NV-FJ623EC, Руководство по обслуживанию

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8.5. LUMINANCE & CHROMINANCE/ AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM
0
0
0 (-0.1)
-0.4
0
0
0
0
0
0
0
0
(4.9)
0
0
(2.2)
3.9
(1.9)
2.7
(0)
2.4
1.4
0
(3.4)
0.8
4.9
0
5.0
0
0
0
0
0
0
0
0
(2.5)
0
(2.4)
0.7
(2.4)
0.7
(2.9)
0.7
(2.9)
0.7
(2.7)
0
0
2.4
0
0
5.0
(4.9)
0
5.0(-23.0)
(-23.1)
0.7
(-14.9)
0
0(3.6)
(-23.1)
0.7
(4.7)
0.4
(-0.6)
0.3
(4.9)
0.4
(4.1)
5.0
5.0
(PAL EP :ON)
(BUFFER)
:ON) (LP
TW3001
TW3030
(PAL EP :ON)
TW2001
(PB:ON)
(PB:ON)
:OFF)
(OSC)
(AUDIO ERASE DRIVE)
(D.A.REC
0.027
C4010
470
R4011
1
C4009
UN2211
QR4002
A7 A8 A9 A10 A11
2200P
C4946
0
LB4908
560
R4022
UN2113
QR4005
360
R3506
B3
B2
B1
33u
L3501
6V47
C3501
0.01
C3502
300
R3504
390
R3503
UN2212
QR3502
0.1
C3511
0.1
C3510
100
R3501
0.01
C3505
A6
A5
A4
0.01
C3503
A3
2200P
C4001
UN2212
QR4001
1K
R4001
0.1
C3509
VLP0147
LB3504
A15
A17
0.1
C3508
VLP0147
LB3503
0.1
C3507
VLP0147
LB3502
A18
0.1
C3506
VLP0147
LB3501
A16
A20
A19
1000P
C3002
1000P
C3003
A1
A2
DET
DET
CMP
ZAP
AT
VCC
NC
GND
NC
NC
CURR.EMPH
NC
NC
NC
NC
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
AMP
CHROMA
L
H
+
HA4
-
L
H
-
HA3
H
L
-
HA2
H
L
-
HA1
+
AN3368SB
IC3501
HEAD SW
HEAD AMP SW
GND
GND
NC
NC
NC
NC
NC
NC
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
2SD601A
Q4002
2SD601A
Q4001
2200
R4010
2200
R4009
A1 HEAD SW S
S
H.AMP SW A2
A3
ENV. SELECT S
S
TRACKING ENV. A4
A5
D.REC S
S
CURR.EMPH A6
A7
TUNER AUDIO (N) R
A
FM MUTE A8
A9
AUDIO OUT (N) A
A AUDIO IN (N)
A10 MUTE S
A11
A17
AUDIO HEAD R
AUDIO HEAD COM
AUDIO HEAD L
GND
SP L
SP COM
SP R
LP L
LP COM
LP R
A AUDIO HEAD R
AUDIO HEAD L A
AUDIO HEAD COM A
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE AUDIO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE VIDEO MAIN SIGNAL PATH IN REC MODE
UN2111
QR4003
GND
VIDEO 5V
BIAS 5V
R
R
R
PAL EP S
D.A.REC S
A20
A19
A18
A16
A15
10
9
(TO CYLINDER UNIT)
P3502
8
7
6
5
4
3
1
2
4700
R4026
:TO INPUT/OUTPUT SECTION
8200
R4030
220P
C4032
CTL HEAD (+) 6
CTL HEAD (-) 5
A.HEAD (W) 4
A.HEAD (R) 3
(TO A/C HEAD)
P4003
AUDIO ERASE IN 1
GND 2
2SD602A
Q4006 3300
R4029
6
4
1
0.022
C4031
2
EQQ7QF024P
T4002
3
1500P
C4029
(TO FULL ERASE HEAD)
P4002
2
1
FULL ERASE IN
FULL ERASE OUT
S
S
S
S
BIAS
SHORT DET
CTL HEAD (-)
CTL HEAD (+)
0.022
C4028
2SB710
Q4005
2700
R4028
68u
L4003
6V220
C4030
3300
R4027
10V22
C4026
12 11 10
:TO Hi-Fi AUDIO SECTION
:TO SYSTEM CONTROL & SERVO SECTION
:TO POWER SUPPLY/RF SECTION
H
9 8 7 6 5 4 3 2 1
G
F
E
D
C
B
A
R
S
A
I
L
L
H
H
H
H
H
LP H
REC H
H
H H
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-FJ623EC/ECN
LUMINANCE & CHROMINANCE/AUDIO SECTION SCHEMATIC DIAGRAM
36