Panasonic DMR-EH80VEG, Service Manual

Page: 73 / 178

23.5. VIDEO BLOCK DIAGRAM
DMR-EH80VEG
DMR-EH80VEB
VIDEO 1/2
BLOCK DIAGRAM
L
L
V/Y IN DM
CPN CIN DM
Q6101
Q6102
P.C.B.
DIGITAL
TO
6
P6002
4
P6002
AV2 C
AV2 Y
AV2 V
AV3 V
AV3 C
AV3 Y
AV1 V
EXT CTL1
EXT CTL3
(REAR JACK)
JK3901
AV1
AV2
AV1 V
AV2 V
AV2 Y
AV2 C
6
4
3
AV3 V
AV3 C
AV3 Y
4
7
9
11
17
18
21
22
13
14
15
16
4
3
75
75
75
75
75
75
+
(SYSTEM CONTROL)
IC6001
P.C.B.
DIGITAL
FROM
58
AV2 S IN
IC37501- P6004 P31904
4
10
13
VIDEO IN
(DECODER/EXT)
10
VIDEO IN
(TV) 14
PS6002 PP4600
9
AV3
AV3
6
(FRONT JACK)
JK4600
VIDEO IN 7
PS6002 PP4600
6 95 IC37501-
AV3 S IN
TO
DIGITAL I/F TIMER SECTION
FROM
DIGITAL I/F TIMER SECTION
P31904 P6004
3
PS6002 PP4600
4
PS6002 PP4600
2
4 2
1
6
3
Y
C
S-VIDEO IN
4 2
3 1
6
Y
C
S-VIDEO IN
(FRONT JACK)
JK3802
BUFFER
BUFFER 59 SECAM MIX
52 C V IN C V OUT
Q6103,Q6104
BUFFER
7 D
C
B
A
4
(V SELECT SW)
2
IC3904
H
1
L
L
H
3
5
7
4
(Y SELECT SW)
2
IC3903
H
1
L
L
H
5
3
IC3902
(C SELECT SW)
7
4 2
1
3
5
H
L
H
L
DVD
U/V TUNER
TU7402
18
Q7403
BUFFER
83
P39702
87
P39702
1
2
(REAR JACK)
JK3902
COMMON OUT
DVD/VHS
VIDEO OUT VCR Y
(REAR DVD JACK)
JK35001
S-VIDEO OUT
C
Y
(BLUE)
PB
(GREEN)
Y
(RED)
PR
OUT
VIDEO
BPBOUT DM
GPYOUT DM
RPROUT DM
P39702 P9001
63
P39702 P9001
59
P39702 P9001
55
C OUT DM
Y OUT DM
2dB
2dB
2dB
2dB
2dB
4dB
4dB
4dB
4dB
4dB
8
6
9
4
2
IC35005
(VIDEO BUFFER)
LPF
6.75MHz
LPF
6.75MHz
LPF
6.75MHz
LPF
6.75MHz
8dB
12
13
11
14
15
16
LPF
6.75MHz
P6002 P31902
10
P6002 P31902
8
P39702 P9001
47
P39702 P9001
51
36
10
CLAMP 43
CLAMP 39
CLAMP 35
CLAMP 37
CLAMP 45
CLAMP 41
CLAMP 33
CLAMP 47
a
b
(SW9)
OUT
V
AV4
23
24
I/F TIMER
SECTION
DIGITAL
FROM/TO
B
IIC CLK
IC37501-
Q33501,Q33505
SLICER
29 IC37501-
IIC DATA
1.0V
2.3V
5V
CLAMP
V
TUNER
30
LOGIC
IIC BUS
SDA
89
SCL
88
SLICER
85
OUT
ADC
V/Y
83
OUT
C-ADC
81
TUNER V
AV2 C
AV2 Y
AV2 V
AV3 V
AV3 C
AV3 Y
AV1 V
CIRCUIT
SWITCH
SELECT
OUTPUT
ADC
(VIDEO PROCESSOR)
IC3901
+
LPF
6.75MHz
CLAMP
BPF
6.75MHz
BIAS
93
91
P31902 P9001
P31902 P9001
28
VIDEO OUT
50
DMR-EH80VEG / DMR-EH80VEB
73