Analog Video Block Diagram - Panasonic DMR-EX77EG Service Manual

11.2. Analog Video Block Diagram

MAIN P.C.B.
P59001 P7402 C OUT DM
55
P59001 P7402 Y OUT DM
51
FROM P59001 P7402 RPROUT DM
DIGITAL P.C.B.
59
P59001 P7402 GPYOUT DM
63
P59001 P7402 BPBOUT DM
67
JK3901
21 PIN JACK
AV1 AV1 VIDEO
20
(TV)
DEC_DT_Y_IN
PS90002 P7412 DEC Y OUT
7
FROM
BACK END P.C.B.
PS90002 P7412 DEC C OUT DEC_DT_C_IN
5
S-VIDEO IN
AV3
AV3 Y
JK3802
1 3 3
FRONT JACK
AV3 C
2 4 4
AV3
VIDEO IN
AV3 V
JK3801
7
FRONT JACK
6
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
DT Y IN
47 CLAMP
+
DT C IN
48 BIAS
(SW17C)
AV3 Y
a
41 CLAMP
b
AV3 C
45 BIAS
AV3 V
37 CLAMP
(SW10)
BIAS b
AV2 R/C
1 CLAMP a
AV2 G
3 CLAMP
AV2 B
5 CLAMP
AV2 V/Y
31 CLAMP
DMR-EX77EG / DMR-EX77EC / DMR-EX77EC1 / DMR-EX77EB / DMR-EX87EG / DMR-EX87EC / DMR-EX87EC1 / DMR-EX87EB
(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)
COMP
6MHz a
Y
a b
OUT
12MHz b c 14
c d
15
AV1
G
OUT
17
20
(SW17Y)
a (SW7)
Y
a OUT
19
b
b
(SW8)
C
a
OUT
22
(SW17V) b
a (SW9)
a
V
b OUT
23
b
24
SV1
a
AV1
b
V/Y/C
c
OUT
d 26
e
SV2
a AV2
V
b
OUT
c 28
d
e
DT_Y
DT_C
C-ADC
AV1 V OUT
81
AV3 Y
AV3 C
AV3 V V/Y
ADC
ADC
OUTPUT
OUT
SELECT 83
SWITCH
CIRCUIT
AV2 R/C
AV2 V/Y
TUNER V SLICER
85
Q7501,Q7503-
SCL IIC CLK
88
IC7501-
IIC BUS
LOGIC
SDA IIC DATA
89
IC7501- 30
TUNER
V
CLAMP 30
47
:REC SIGNAL :PB SIGNAL
JK3903
2
PR
COMPONENT
3
VIDEO OUT
PB
PROGRESSIVE/
INTERLACE
4
Y
1
JK3901
21PIN JACK
15 RED/C
7 BLUE
AV1
(TV)
11 GREEN
19 VIDEO/Y
JK3001
S-VIDEO
Y
9
OUT
C
10
JK3001
VIDEO OUT
13
OUT
15
JK3901
21PIN JACK
AV2
19 VIDEO
(DECODER/EXT)
CPN CIN DM P7402 P59001
75
V/Y IN DM P7402 P59001
71
P7402 P59001
TO
< R >
88 DIGITAL P.C.B.
P7402 P59001
< G >
83
B
P7402 P59001
< B >
87
FROM/TO
P7402 P59001
TIMER < RGB CPSV >
84
SECTION
29
TU7801
U/V TUNER
VIDEO
17
OUT
5V
18 IFD_OUT1
2.3V
19 IFD_OUT2
1.0V
IF OUT [-]
P7412 PS90002
2
TO
BACK END P.C.B.
IF OUT [+] P7412 PS90002
1
DMR-EX77EG/EC/EC1/EB,
EX87EG/EC/EC1/EB
Analog Video Block Diagram