Panasonic NV-SJ420B, Руководство по обслуживанию

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H
H
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H
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
150K
R4922
150K
R4923
GND
VIDEO IN
VIDEO OUT
GND
GND
BLANKING
RED
GND
GND
GREEN
IIC CLOCK
GND
PB +12V
BLUE
AUDIO IN
GND
GND (A)
AUDIO OUT
AUDIO OUT
AUDIO IN
GND
VIDEO IN
VIDEO OUT
GND
GND
BLANKING
RED
GND
GND
GREEN
CONTROL
GND
PB +12V
BLUE
AUDIO IN
GND
GND (A)
AUDIO OUT
AUDIO OUT
IIC DATA
AUDIO IN
GND PS 5V GND
5V
N.SW
GND
GND 12V GND
CLAMP
AMP
BUF BUF BUF
CTL 1
EXT
C B
SW2
VIDEO
A D
C B
SW2
AUDIO
A D
CLAMP CLAMP
FLT
RIPPLE
V REF
CTL 2
EXT
CONTROL
SERIAL
INTERFACE
IIC BUS
SAVE
POWER
CLAMP
BUF
AMP
SW3
AUDIO
A
B
C
6dB
SW3
VIDEO
A
B
C
OR
AMP
SW1
AUDIO
A
B
BUF
C
OUT
FSS
A
SW1
VIDEO
6dB
C
B
CLAMP
0.1
C4917
1
2
3
4
5
6
(AV3)
K2HA204B0070
JK4904
IN
VIDEO
IN
AUDIO
0
L4906
220
R4944
75
R4942
470P
C4947
TV
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TW4906
20
(AV1)
K1FB121B0003
JK4903
1
3
5
7
9
11
13
15
17
19
21
2
4
6
8
10
12
14
18
16
DECODER/EXT
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
(AV2)
K1FB121B0003
JK4902
20
18
16
14
12
10
8
6
4
2
21
19
17
15
13
11
9
7
5
3
1
MA4051NM
D4901
MA4051NM
D4902
B11 B12 B6
(PROG :ON)
(PROG :ON)
UN2215
QR4904
UN2215
QR4905
75
R4908
75
R4911
5600
R4906
5600
R4907
180P
C4903
47P
C4908
47P
C4907
220
LB4904
1000P
C4906
4700
R4903
(RGB OFF :ON)
UN2212
QR4903
(RGB ON:ON)
2SD601A
Q4903
75
R4914
75
R4913
TW3002
TW3003
0.22u
L4901
47P
C4910
47P
C4909
TW4902
TW4907
5600
R4916
5600
R4919
180P
C4913
220
LB4906
1000P
C4914
A10
A11
A7
A4
A9
A8
A5
A6
A3 A2
(AV1 PB :ON)
2SD601A
Q4901
22K
R4909
470K
R4910
15K
R4945
22K
R4946
470
R4902
MA165
D4904
0.1
C4945
50V1
C4943
B4 B3 B1 B12 B11
0
LB4908
2200P
C4946
TUNER AUDIO V
OSD IIC CLOCK S
OSD IIC DATA S
V B5 VIDEO IN
AUDIO OUT B4 V
B3 AUDIO IN V
0.1
C4936
0.1
C4939
0
L4904
0.1
C4941
0.1
C4928
100
R4921
50V1
C4924
0.1
C4922
A9 A8
15K
R4904
22K
R4905
470
R4915
50V1
C4918
100
R4917
AV2 PB 12V S
( )
LA73020M
IC4901
WITH PAL COLOUR SIGNAL.(SP MODE)
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE
11 10
10K
R4941
A1 A11 A10 A7 A6 A5
0.1
C4916
MA165
D4903
0.1
C4919
(AMP)
2SB709A
Q4904
470
R4926
1K
R4928
1K
R4927
R PS 12V
68u
L4903
6V220
C4926
0.1
C4925
R PS 5V
68u
L4902
6V220
C4921
0.1
C4920
R N.SW 5V
A1
A2
A3
A4 PROJ. 50 S
AV1 PB 12V S
AV1 PB S
S
VIDEO OUT
220
R4938
B5 B2
0.1
C4942
16V47
C4940
16V47
C4938
0.1
C4937
B6
B2
B1
SLEEP S
TUNER AUDIO R
TUNER VIDEO R
PROG. S
GND (A)
GND
R
R
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
G
F
R
V
S
9 8
:TO POWER SUPPLY/RF SECTION
ORDER A PART,PLEASE REFER TO PARTS LIST. ORDERING.WHEN YOU
DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR NOTE:
WITH PAL COLOUR.(SP MODE)
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS ON THIS DIAGRAM IS RECORD MODE
E
D
C
B
A
7 6 5 4 3 2 1
:TO SYSTEM CONTROL & SERVO SECTION
:TO LUMINANCE & CHROMINANCE/AUDIO SECTION
3.4
0
0
0.3
0.3
(0.3)
0 1.6 1.6 3.4 5.7 5.1 12.3 1.8 10.9 5.7 6.2 2.3 5.7 4.8 4.8 0
(0)
11.3
2.3 4.9 5.1 0 5.8 2.1 5.2 1.8 5.1 0 5.8 2.2 2.2
0.6
1.3
(0)
11.7
(0)
12.3
12.3
4.8
0.3
0
4.8
0
0.3