Analog Video Block Diagram - Panasonic DMR-EH55EC Service Manual

12.2. Analog Video Block Diagram

MAIN P.C.B.
P59001 P7402 C OUT DM
43
P59001 P7402 Y OUT DM
39
FROM
DIGITAL P.C.B. P59001 P7402 RPROUT DM
DIGITAL VIDEO
47
BLOCK SECTION
P59001 P7402 GPYOUT DM
51
P59001 P7402 BPBOUT DM
55
JK3901
21 PIN JACK
AV1 AV1 VIDEO
20
(TV)
AV3
JK3002
FRONT JACK
S-VIDEO IN
AV3 Y
1 3 3
AV3 C
2 4 4
VIDEO IN
AV3 V
8
7
AV4
JK3001
REAR JACK
AV4 V
14
VIDEO
IN
15
AV4
JK3001
S-VIDEO
S-VIDEO IN
Y AV4 Y
1 3 3
C AV4 C
2 4 4
JK3901
21 PIN JACK
AV2 R/C
RED/C 15
AV2 G
AV2 GREEN 11
(DECODER/EXT)
AV2 B
BLUE 7
AV2 V/Y
VIDEO/Y 20
IC3001
(VIDEO PROCESSOR)
6MHz
91 BIAS
BPF
+
6MHz
93 CLAMP
LPF
CLAMP/
95
BIAS
97 CLAMP
CLAMP/
99
BIAS
AV1 V
33 CLAMP
AV3 Y
41 CLAMP
AV3 C
45 BIAS
AV3 V
37 CLAMP
AV4 V
35 CLAMP
AV4 Y
39 CLAMP
AV4 C
43 BIAS
(SW10)
BIAS b
AV2 R/C
1 CLAMP a
AV2 G
3 CLAMP
AV2 B
5 CLAMP
AV2 V/Y
31 CLAMP
(SW1) (SW2)
6MHz COMP
R-Y
a a
OUT
12MHz b b 7
c c
(SW3)
AV1
a
R-C
b OUT
9
c
d
(SW4)
6MHz COMP
B-Y
a
OUT
12MHz b 11
c
AV1
B
OUT
12
(SW6)
(SW5)
6MHz a COMP
Y
a b
OUT
12MHz b c 14
c d
15
AV1
G
OUT
17
20
AV4
(SW7)
Y
a OUT
19
b
AV4
(SW8)
C
a
OUT
22
b
(SW9)
AV4
a
V
OUT
23
b
24
SV1
a
AV1
b
V/Y/C
c
OUT
d 26
e
SV2
AV2
a
V
b
OUT
c 28
d
e
C-ADC
AV1 V OUT
81
AV3 Y
AV3 C
AV3 V V/Y
ADC
ADC
AV4 V
OUTPUT
OUT
AV4 Y SELECT 83
SWITCH
AV4 C
CIRCUIT
AV2 R/C
AV2 V/Y
TUNER V SLICER SLICER
85
Q7501,Q7503-
SCL IIC CLK
88
IC7501-
IIC BUS
LOGIC SDA IIC DATA
89
IC7501- 30
TUNER
V
CLAMP 30
2.3V
45
DMR-EH55EC / DMR-EH55EP / DMR-EH56EG
:REC SIGNAL :PB SIGNAL
JK3903
2
PR
1
COMPONENT
4
VIDEO OUT
PB
PROGRESSIVE/
3
INTERLACE
6
Y
5
JK3801
21PIN JACK
15 RED/C
7 BLUE
AV1
(TV)
11 GREEN
19 VIDEO/Y
JK3001
S-VIDEO
Y
9
AV4
C
10
JK3001
VIDEO OUT
13
AV4
15
JK3901
21PIN JACK
AV2
19 VIDEO
(DECODER/EXT)
CPN CIN DM P7402 P59001
63
V/Y IN DM P7402 P59001
59
TO
P7402 P59001 DIGITAL P.C.B.
< R >
88 DIGITAL VIDEO
BLOCK SECTION
P7402 P59001
< G >
83
B
P7402 P59001
< B >
87
FROM/TO
P7402 P59001
TIMER < RGB CPSV >
84
SECTION
29
TU7801
(EP) U/V TUNER
Q7802
PP7401 PS7801
BUFFER 18
2
5V
(Except (EP))
1.0V K7809
TUNER P.C.B.
DMR-EH55EC/EP,EH56EG
Analog Video Block Diagram
VIDEO
OUT