Panasonic NV-SJ420EG, Service Manual

Page: 54 / 125

H
H
H
H
H
H
H
L
H
L
B1
I
UN2215
QR4004
0.027
C4010
470
R4011
1
C4009
UN2211
QR4002
A7 A9 A10 A11
560
R4022
UN2113
QR4005
330
R3506
B3
B2
33u
L3501
6V47
C3501
0.01
C3502
270
R3504
680
R3503
0.1
C3511
0.1
C3510
100
R3501
0.01
C3505
A6
A5
A4
0.01
C3503
A3
2200P
C4001
UN2212
QR4001
100P
C4033
1K
R4001
UN2215
QR4008
UN2215
QR4009
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
LP
GND
NC
REC
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
22K
R4013
16V10
C4027
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 I
A9 AUDIO OUT R
I AUDIO IN
A10 MUTE S
A11
A17
GND
SP L
SP COM
SP R
LP L
LP COM
LP R
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
I :TO INPUT/OUTPUT SECTION
10K
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
0.15
C4031
2
EQQ7QF026P
T4002
3
4700P
C4029
(TO FULL ERASE HEAD)
P4002
2
1
FULL ERASE IN
FULL ERASE GND
S
S
S
S
S
FULL ERASE
BIAS
SHORT DET
CTL HEAD (-)
CTL HEAD (+)
0.022
C4028
2SB710
Q4005
2700
R4028
68u
L4003
6V220
C4030
3300
R4027
10V22
C4026
MA165
D4001
MUN2212
QR4006
4700
R4024
10V22
C4021
6800
R4023
2SB710
Q4003
68u
L4002
6V47
C4024
0.022
C4022
2SD602A
Q4004
6800
R4025
EQQ7QF025P
T4001
2200P
C4023
0.022
C4025
6
4
1
2
3
12 11 10
:TO TIMER SECTION T
S :TO SYSTEM CONTROL & SERVO SECTION
:TO POWER SUPPLY/RF SECTION R
H
9 8 7 6 5 4 3 2 1
G
F
E
D
C
B
A
H H H
H
H
H
0
0
0
(-0.1)
-0.4
0
(-0.1)
-0.4
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
0
0.2(15.0)
0.3
0
5.0
(4.9)
0
5.0(-23.0)
(-23.1)
0.7
(-14.9)
0
0(3.6)
(-23.1)
0.7
(4.2)
5.1
(4.8)
0
(0)
5.1
(5.0)
0.3
5.0
(-1.1)
0.3
(4.8)
0.3
5.0
(4.1)
5.0
(4.9)
0.4
(-0.6)
0.3
(4.7)
0.4
(MUTE)
(PAL EP :ON)
(BUFFER)
TW3001
TW3030
(PAL EP :ON) (PAL EP :ON)
:ON) (PAL EP
TW2001
(PB:ON)
(PB:ON)
:OFF)
(D.A.REC
(OSC)
(AUDIO ERASE DRIVE)
(FULL ERASE :ON)
DRIVE)
(FULL ERASE
(OSC)