Panasonic NV-FJ623EC, Service Manual

Page: 106 / 152

: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 SIGNAL.(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
:TO Hi-Fi AUDIO SECTION
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
S SLEEP
B1
B3
C4937
0.1 C4929
0.1 C4930
0.1 C4942
0.1
B1 B2
R4938
220
RFC VIDEO OUT R
S AV1 PB
S AV1 PB 12V
A AUDIO OUT1 (R)
A AUDIO OUT1 (L)
A AUDIO IN1 (L)
A AUDIO IN1 (R)
A AUDIO OUT2 (R)
A AUDIO OUT2 (L)
A AUDIO IN2 (L)
A10
A11
A9
A8
A7
A6
A4
A3
A2
A12
A AUDIO IN2 (R) A13
N.SW 5V R
C4920
0.1 C4921
6V220
L4902
68u
PS 5V R
C4925
0.1 C4926
6V220
L4903
68u
PS 12V R
R4928
0
R4926
100
Q4904
2SB709A
C4919
0.1 D4903
MA165 C4916
0.1
A14 A15 A16 A17 A18 A1
R4941
10K
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
LA73021M
S AV2 PB 12V
R4915
470
R4905
22K
R4904
15K
C4923
0.1
C4941
0.1
L4904
0
VIDEO IN B2 V
S OSD IIC DATA
S OSD IIC CLOCK
B6 B7
D4904
MA165 R4902
470
R4946
22K
R4945
15K
R4910
470K
R4909
22K
Q4901
2SD601A
A3 A4
A15
A14
A8
A9
A6
A7
A10
A12
A16
A18
A17
C4915
470P C4914
470P
LB4906
220
LB4905
220
C4913
470P C4912
470P
R4918
330
R4916
330
C4909
47P C4910
47P
L4901
0.22u
R4913
75
R4914
75
Q4903
2SD601A
QR4903
UN2212
R4903
4700
C4905
470P C4906
470P
LB4904
220
LB4903
220
C4907
47P
C4908
47P
C4903
470P C4904
470P
R4912
330
R4906
330
R4911
75
R4908
75
QR4905
UN2215
QR4904
UN2215
B3 B7 B6
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
A11
A13
C
EXT
CTL 4
D
EXT
CTL 3
CLAMP
B
C
6dB
SW1
A
FSS
OUT
D
C
CLAMP
A
B
SW3
6dB
CLAMP
POWER
SAVE
IIC BUS
INTERFACE
SERIAL
CONTROL
EXT
CTL 2
V REF
RIPPLE
FLT
CLAMP CLAMP
E A
B
SW2
EXT
CTL 1
BUF BUF
AMP
CLAMP
GND 12V GND
GND
N.SW
5V
GND PS 5V GND
AUDIO IN (R)
IIC DATA
AUDIO OUT (R)
AUDIO OUT (L)
GND (A)
GND
AUDIO IN (L)
BLUE
PB +12V
GND
GREEN
GND
GND
RED
BLANKING
GND
GND
VIDEO OUT
VIDEO IN
GND
AUDIO IN (R)
AUDIO OUT (R)
AUDIO OUT (L)
GND (A)
GND
AUDIO IN (L)
BLUE
PB +12V
GND
IIC CLOCK
GREEN
GND
GND
RED
BLANKING
GND
GND
VIDEO OUT
VIDEO IN
GND
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
TW4901
(AV1 PB :ON)
(AMP)
(PROG :ON)
(PROG :ON)
(RGB OFF :ON)
TW4906
TW3002 TW3003
TW4902
TW4907 TW4903
(RGB ON:ON)
3.4
0
0
0.3
0.3
0
4.8
0.3
0
4.8
0.3
2.2 2.2
11.3
(0)
0 0 0 1.8 5.2 2.1 0 1.8 0 4.9 2.3
0 4.8 4.8 0
(0.3) 0
(0.3) 2.3 6.2 0 10.9 1.8 12.3 0 0 3.4 1.6 1.6
0.6
1.3
11.7
(0)
12.3
(0)
12.3
R4948
10M
C4928
0.1
R4947
100
A2
S VIDEO OUT A1
R4942
0
R
S
V
A
H
H
H
H
H
H
H
NV-FJ623EC/ECN
INPUT/OUTPUT SECTION
SCHEMATIC DIAGRAM