Panasonic NV-SJ220EG, Service Manual

Page: 40 / 79

:TO LUMINANCE & CHROMINANCE/AUDIO SECTION
:TO SYSTEM CONTROL & SERVO SECTION
1 2 3 4 5 6 7
A
B
C
D
E
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS ( ) ON THIS DIAGRAM IS RECORD MODE
WITH PAL COLOUR.(SP MODE)
NOTE: DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR
ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
:TO POWER SUPPLY/RF SECTION
8 9
S
V
R
F
G
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
R
R GND
GND (A)
S PROG.
R TUNER VIDEO
R TUNER AUDIO
S SLEEP
B1
B2
B6
C4937
0.1 C4938
16V47 C4940
16V47 C4942
0.1
B2 B5
R4938
220
VIDEO OUT S
S AV1 PB
S AV1 PB 12V A3
A2
A1
N.SW 5V R
C4920
0.1 C4921
6V220
L4902
68u
PS 5V R
C4925
0.1 C4926
6V220
L4903
68u
PS 12V R
R4927
1K
R4928
0:A/B
1K:C/D
R4926
470
Q4904
2SB709A
C4919
0.1 D4903
MA165 C4916
0.1
A5 A6 A7 A10 A11 A1
10 11
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
IC4901
LA73020M
S AV2 PB 12V
R4917
100
C4918
50V1
R4915
470
R4905
22K
R4904
15K
A8 A9
L4904
0
R4901
470
C4922
0.1 C4924
50V1
R4921
100
C4928
0.1
C4941
0.1
C4939
0.1 C4936
0.1
V AUDIO IN B3
V B4 AUDIO OUT
VIDEO IN
B5 V
S OSD IIC DATA
S OSD IIC CLOCK
V TUNER AUDIO
C4946
2200P
LB4908
0
R4924
100
C5
C3
C4
B11 B12 B1 B3 B4
C4943
50V1 C4945
0.1
D4904
MA165 R4902
470
R4946
22K
R4945
15K
R4910
470K
R4909
22K
Q4901
2SD601A
A2 A3
C4927
6V470
R4925
1K
A6
A5
C5
A8
C4
A9
C3
C2
A7
A11
A10
C4914
2200P:A/B
1000P:C/D
LB4906
220
C4913
100P:A/B
180P:C/D
R4919
10K:A/B
5600:C/D
R4916
10K:A/B
5600:C/D
C4909
47P
C4910
47P
L4901
0.22u
R4913
75
R4914
75
Q4903
2SD601A
QR4903
UN2212
R4903
4700
C4906
1000P
LB4904
220
C4907
47P C4908
47P
C4903
180P
R4907
5600
R4906
5600
R4911
75
R4908
75
QR4905
UN2215
QR4904
UN2215
B6 B12 B11
D4902
MA4051NM D4901
MA4051NM
1
3
5
7
9
11
13
15
17
19
21
2
4
6
8
10
12
14
16
18
20
JK4902
K1FB121B0003
(AV2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
DECODER/EXT
16
18
14
12
10
8
6
4
2
21
19
17
15
13
11
9
7
5
3
1
JK4903
K1FB121B0003
(AV1)
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
TV
C4917
0.1
CLAMP
B
C
6dB
VIDEO
SW1
A
FSS
OUT
C
BUF
B
A
AUDIO
SW1
AMP
OR
C
B
A
VIDEO
SW3
6dB
C
B
A
AUDIO
SW3
AMP
BUF
CLAMP
POWER
SAVE
IIC BUS
INTERFACE
SERIAL
CONTROL
EXT
CTL 2
V REF
RIPPLE
FLT
CLAMP CLAMP
D A
AUDIO
SW2
B C
D A
VIDEO
SW2
B C
EXT
CTL 1
BUF BUF BUF
AMP
CLAMP
GND 12V GND
GND N.SW
5V GND PS 5V GND
AUDIO IN
IIC DATA
AUDIO OUT
AUDIO OUT
GND (A)
GND
AUDIO IN
BLUE
PB +12V
GND
IIC CLOCK
GREEN
GND
GND
RED
BLANKING
GND
GND
VIDEO OUT
VIDEO IN
GND
AUDIO IN
AUDIO OUT
AUDIO OUT
GND (A)
GND
AUDIO IN
BLUE
PB +12V
GND
IIC CLOCK
GREEN
GND
GND
RED
BLANKING
GND
GND
VIDEO OUT
VIDEO IN
GND
R4923
150K
(C/D) (A/B)
R4922
150K
(A/B)
(C/D)
C4947
0
R4942
0
(A/B)
(A/B) (A/B)
R4941
10K
C1
C2
C1
(A/B)
(C/D)
IIC DATA
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
H
H
H
TW4902
TW3003
TW3002
TW4906
(RGB ON:ON)
(RGB OFF :ON)
(PROG :ON)
(PROG :ON)
(AMP)
(AV1 PB :ON)
TW4907
2.2 2.2
11.3
(0)
5.8 0 5.1 1.8 5.2 2.1 2.1 0 5.1 4.9 2.3
0 4.8 4.8 5.7 0
(0.3) 2.3 6.2 0 10.9 1.8 12.3 5.1 3.4 3.4 1.6 1.6
0.6
1.3
12.3
11.7
(0)
12.3
(0)
3.4
0
0
0.3
0.3
0
0.3
4.8
0
0.3
4.8
H
H
H
H