Panasonic NV-HD642EE, Service Manual, Page: 11 / 19

H
H
H
H
H
H
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
AUDIO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN REC MODE
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
4700
R4912
47K
R4950
16V10
C4923
2200P
C4934
0
R4911
2SB709A
Q4911
IIC DATA
GND
VIDEO IN
VIDEO OUT
GND
GND
BLANKING
RED
GND
GND
GREEN
IIC CLOCK
GND
PB +12V
BLUE
AUDIO IN(L)
GND
GND(A)
AUDIO OUT(L)
AUDIO IN(R)
AUDIO OUT(R)
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
1
(DECODER/EXT)
AV2
2
GND
VIDEO IN
VIDEO OUT
GND
GND
BLANKING
RED
GND
GND
GREEN
CONTROL
GND
PB +12V
BLUE
AUDIO IN(L)
GND
GND(A)
AUDIO OUT(L)
AUDIO IN(R)
AUDIO OUT(R)
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
(TV)
AV1
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)
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE
ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR
VLP0147
LB4901
VLP0147
LB4902
VJJ0377
JK4901
OUT(L)
AUDIO
OUT(R)
AUDIO
3
2
1
MA4075M
D4906
MA4075M
D4905
20
18
1
3
5
7
9
11
13
15
17
19
21
2
4
6
8
10
12
14
16
VJS3634
JK4903
20
18
16
14
12
10
8
6
4
2
21
19
17
15
13
11
9
7
5
3
1
A4
75
R4925
75
R4924
15K
R4913
22K
R4915
47P
C4913
47P
C4912
330
R4921
330
R4923
VLP0147
LB4905
A12
A11
A10
470P
C4909
470P
C4907
VLP0147
LB4903
VLP0147
LB4904
100P
C4908
100P
C4906
A9
A8
MUN2212
QR4903
A7
2SD1328
Q4905
75
R4929
75
R4928
VLP0147
LB4908
47P
C4915
47P
C4914
330
R4930
330
R4933
470P
C4918
470P
C4916
A6
A5
VLP0147
LB4906
VLP0147
LB4907
100P
C4919
100P
C4917
A3 A2
2SD601A
Q4903
2SD601A
Q4904
47K
R4926
47K
R4927
120
R4949
120
R4947
2SD601A
Q4909
2SB709A
Q4908
68K
R4946
330
R4945
47K
R4944
16V10
C4920
2SD601A
Q4907
120
R4943
120
R4941
2SB709A
Q4906
330
R4939
68K
R4940
5600
R4909
910
R4910
1SS254
D4903
MUN2111
QR4902
MUN2212
QR4901
A1
6V100
C4921
1
C4922
VLP0125
LB4915
OSD IIC DATA
OSD IIC CLOCK
PROG
V
V
V
MC14052BFR
IC4904
16 15 14 13 12 11 10 9
8 7 6 5 4 3 2 1
2200P
C4935
2200P
C4936
10K
R4937
MUN2212
QR4905
MUN2211
QR4904
2700
R4938
MA700
D4908
CAL
N.SW 5V
25Hz
A.HEAD SW
S
P
V
S
TUNER VIDEO
VIDEO IN 1
V
V
DEA
DEB
V
V
330K
R4962
16V47
C4925
TUNER VIDEO P
VLP0125
LB4910
1000P
C4938
TUNER AUDIO(N)
TUNER AUDIO(N)
V
P
VIDEO OUT V
1K
R4956
1K
R4957
470
R4955
MC14053BFR
IC4902
16 15 14 13 12 11 10 9
8 7 6 5 4 3 2 1
TV V
16V22
C4928
0.1
C4929
3900
R4961
MA4056NM
D4907
2200P
C4933
SW -29V P
100K
R4953
MC14053BFR
IC4901
(HD647)
(HD642)
16 15 14 13 12 11 10 9
8 7 6 5 4 3 2 1
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
10V47
C4931
0.1
C4930
CPB
AUDIO IN 2(R)
AUDIO IN 2(L)
AUDIO OUT 2(L)
AUDIO OUT 2(R)
RGB OFF
AUDIO IN 1(R)
AUDIO IN 1(L)
PROJ.50
AUDIO OUT 1(R)
AUDIO OUT 1(L)
AV1 PB
V
V
V
V
V
V
V
V
V
V
V
V
33u
L4904
1000P
C4937
GND(A) P
P GND
EX.SYSTEM 5V P
P UNREG 14V
FRONT VIDEO T
V VA
VIDEO IN 2 V
11
T :TO TIMER SECTION(Page:59)
:TO LUMINANCE & CHROMINANCE/AUDIO SECTION(Page:62) V
S :TO SYSTEM CONTROL & SERVO SECTION(Page:60)
:TO POWER SUPPLY/RF SECTION(Page:58) P
10 9 8 7 6 5 4 3 2 1
G
F
E
D
C
B
A
H
H
H
H
H
TW4906
TW3002 TW3003
TW4901 TW4902
TW4903 TW4907
5.0
0
0
0
(RGB OFF :ON)
(RGB ON:ON)
(PROG :ON)
0
0
4.7
(PROG :ON)
0
4.8
0.3
1.9
1.3
4.4
(AMP)
(AMP)
2.3
5.1
5.1
2.3
4.4
1.3
1.9
(AMP)
(AMP)
(AV1 PB :ON)
(AV1 PB:ON)
(0)
5.0
(14.6)
0
(0)
14.6
14.6
-5.7
0 0 0 0
0 0 1.7 0.2 0.2
0
5.1
(CAL :ON)
(CAL:OFF)
0
2.8
0
-5.7 0 1.7
5.0 5.0 0 0 0 1.7 5.1
(AMP)
1.1
1.7
-5.7 0
5.0 5.0 0 0 0 0 5.1