Panasonic DMR-EH65EC, Service Manual

Page: 164 / 181

DMR-EH65EC
DMR-EH65EP
ANALOG VIDEO
BLOCK DIAGRAM
V/Y IN DM
CPN CIN DM
1.0V
2.3V
5V
:PB SIGNAL :REC SIGNAL
CLAMP
V
TUNER
30
INTERLACE
PROGRESSIVE/
VIDEO OUT
COMPONENT
Y
PB
PR
5
6
JK3903
4
2
1
3
RED/C 15
VIDEO/Y 19
GREEN 11
AV1
BLUE 7
21PIN JACK
JK3
9
01
AV4
C
Y
S-VIDEO
JK3001
9
10
AV4
VIDEO OUT
JK3001
15
13
(DECODER/EXT)
AV2
VIDEO 19
21PIN JACK
JK3901
TUNER P.C.B.
U/V TUNER
TU7801
18 OUT
VIDEO
K7809
(Except (EP))
(EP)
Q7802
BUFFER
DIGITAL P.C.B.
TO
PP7401 PS7801
2
P59001 P7402
59
63
P7402 P59001
P59001 P7402
83
88
P7402 P59001
P59001 P7402
84
87
P7402 P59001
LOGIC
IIC BUS
SDA
89
SCL
88
SECTION
TIMER
FROM/TO
IIC DATA
IC7501- 30
29 IC7501-
IIC CLK
B Q7501,Q7503-
SLICER SLICER
85
OUT
ADC
V/Y
83
OUT
C-ADC
81
TUNER V
AV2 V/Y
AV2 R/C
AV3 V
AV3 C
AV3 Y
AV1 V
CIRCUIT
SWITCH
SELECT
OUTPUT
ADC
OUT
V
AV2
28
SV2
e
d
c
b
a
OUT
V/Y/C
AV1
26
SV1
e
d
c
b
a
a
b
(SW9)
OUT
V
AV4
24
23
a
b
(SW8)
OUT
C
AV4
22
(SW7)
a
b
OUT
Y
AV4
20
19
OUT
G
AV1
17
6MHz
(SW5)
12MHz
a
b
c
15
OUT
Y
COMP
14
(SW6)
a
b
c
d
OUT
B
AV1
12
OUT
B-Y
COMP
11
6MHz
(SW4)
12MHz
a
b
c
d
OUT
R-C
AV1
9
(SW3)
a
b
c
OUT
R-Y
COMP
7
(SW2)
a
b
c
(SW1)
12MHz
6MHz
c
b
a
DIGITAL VIDEO
BLOCK SECTION
AV4 V
AV4 Y
AV4 C
< R >
< B >
< RGB CPSV >
< G >