Panasonic NV-SD440EG/ Service Manual page 82

P :TO POWER SUPPLY/RF SECTION(Page:64)
V :TO LUMINANCE & CHROMINANCE/AUDIO SECTION(Page:68)
T :TO TIMER SECTION(Page:65)
V VA H
G
T FRONT VIDEO
V VIDEO IN2
V AUDIO IN2
V CPB H A4
H
V RGB OFF A3
V PROJ.50 A2
V AV1 PB H A1
R4911
0
P UNREG 14V
P GND
C4934
P GND(A)
2200P
F
T FRONT AUDIO
LB4915
VLP0125
P EX.SYSTEM 5V
C4921 C4922
6V100 1
E
V TV H
L4904
33u
C4931 C4930 R4955
10V47 0.1 470
R4956
1K
1.1
V VIDEO OUT
R4957
1K
Q4911
2SB709A
(AMP)
D
L4903
33u
C4937 C4926 C4927
1000P 16V10 0.1
V DEB
V DEA
C
V VIDEO IN1
V TUNER VIDEO
C4925
16V47
P TUNER VIDEO
R4962
330K
H
V PROG
V OSD IIC CLOCK
V OSD IIC DATA
V TUNER AUDIO
LB4910
VLP0125
B
P TUNER AUDIO
C4938
1000P
R4961
3900
P SW -29V
C4933 D4907 C4928 C4929
2200P MA4056NM 16V22 0.1
V AUDIO IN1
V AUDIO OUT
A
1 2
VIDEO MAIN SIGNAL PATH IN REC MODE
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
5.1 0 0 0 0 5.0
16 15 14 13 12 11
VDD Y X X1 X0 A
IC4901
MC14053BFR
Y1 Y0 Z1 Z Z0 INH
1 2 3 4 5 6
0 0
R4952 R4953
100K 100K
5.1 1.7 0 0 0 5.0
16 15 14 13 12 11
VDD Y X X1 X0 A
1.7
IC4902
MC14053BFR
Y1 Y0 Z1 Z Z0 INH
1 2 3 4 5 6
1.7 0
5.1 0 0.2 0.2 1.7
16 15 14 13 12 11
VDD X2 X1 X X0 X3
B1
B2
IC4904
B3
MC14052BFR
B4
Y0 Y2 Y Y3 Y1 INH
1 2 3 4 5 6
0 0 0 0
B5
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS
3 4
AUDIO MAIN SIGNAL PATH IN REC MODE
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
A1
14.6
QR4902
5.0 MUN2111
10 9 (AV1 PB:ON)
0
B C (14.6)
14.6
5.0
(0)
(0)
D4903
1SS254
QR4901
MUN2212
(AV1 PB H :ON)
R4910
910
VEE VSS
7 8
-5.7
R4940 R4939 5.1
68K 330
Q4906
2SB709A
(AMP)
4.4
C4920
2.3
Q4907
16V10
1.9
2SD601A
R4941
(AMP)
120
R4944
47K 1.3
R4943
120
5.0
10 9
B C
5.1
R4946 R4945
68K 330
Q4908
2SB709A
(AMP)
4.4
C4923
2.3
16V10 Q4909
1.9
2SD601A
R4947
VEE VSS (AMP)
120
R4950
7 8
47K
1.3
-5.7
R4949
120
0 0
10 9
DEA DEB 5.1 0 0
8 7 6
VDD
-
+
IC4903
NJM4558M
-
+
VEE VSS VSS
7 8 1 2 3
-5.7 0 0 0
R4958
6800
R4959
2200
B4
( ) 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
WITH PAL COLOUR SIGNAL.(SP MODE)
5 6
A2
R4935 LB4907
100 VLP0147
R4934 C4919
47K 1000P
R4930
5600
R4932
C4916 R4931
5600
180P 150K
LB4908
VLP0147
R4909
5600
R4928
75
R4929
75
R4912
4700
5.0
A3
TW4907
R4920 LB4904
100 VLP0147
R4917 C4908
47K 1000P
TW4902
R4921
5600
R4922
C4907 R4918
5600
180P 150K
LB4905
VLP0147
A4
TW3003 TW3002
R4924
75
R4925
75
5.1
Q4910
-0.5
2SD601A
0 (AMP)
5
-1.1 0.3
R4927
Q4904
47K
0
2SD601A
(PROG
C4924
16V10
4.8
R4926
R4951
47K
4700
4
-5.7
B5 B1 B2
7 8 9
TW4906
JK4903
AV1
VJS3634
(TV)
1 1 AUDIO OUT
2 2 AUDIO IN
3 3 AUDIO OUT
4 4 GND(A)
5 5 GND
6 6 AUDIO IN
7 7 BLUE
C4915 C4914
8 8 PB +12V
47P 47P
9 9 GND
10 10 CONTROL
11 11 GREEN
12 12
13 13 GND
14 14 GND
15 15 RED
16 16 BLANKING
17 17 GND
18 18 GND
19 19 VIDEO OUT
20 20 VIDEO IN
21 21 GND
Q4905
2SD1328
0
(RGB ON:ON)
0
0 0
QR4903
MUN2212
H
(RGB OFF :ON)
AV2
(DECODER/EXT)
1 1 AUDIO OUT
2 2 AUDIO IN
3 3 AUDIO OUT
4 4 GND(A)
5 5 GND
6 6 AUDIO IN
7 7 BLUE
C4913 C4912
8 8 PB +12V
47P 47P
9 9 GND
10 10 IIC CLOCK
11 11 GREEN
R4915
22K 12 12 IIC DATA
13 13 GND
14 14 GND
R4913
15 15 RED
15K
16 16 BLANKING
17 17 GND
18 18 GND
19 19 VIDEO OUT
20 20 VIDEO IN
21 21 GND
D4906 D4905
MA4075M MA4075M
H :ON)
0
Q4903
0
2SD601A
H
(PROG :ON)
4.7
B3
NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS
SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU
ORDER A PART,PLEASE REFER TO PARTS LIST.
10 11