S3.3. Analog Video Block Diagram; S3.3.1. Analog Video Block Diagram (1 - Panasonic DMR-EZ49VEG Service Manual

S3.3. Analog Video Block Diagram

S3.3.1. Analog Video Block Diagram (1)

MAIN P.C.B.
P59001 P9703 P9103 P6003 C OUT DM
55 8
P59001 P9703 P9103 P6003 Y OUT DM
51 9
FROM
P59001 P9703 P9103 P6003 RPR OUT DM
DIGITAL
59 6
P.C.B.
P59001 P9703 P9103 P6003 GPY OUT DM
63 5
P59001 P9703 P9103 P6003 BPB OUT DM
67 4
JK3901
21 PIN JACK
AV1 AV1 VIDEO
16
(TV)
Q6103,Q6104
FROM
SYSTEM
VHS V Y OUT
C V OUT BUFFER
CONTROL &
IC6001- 52 AMP
SERVO
SECTION
S-VIDEO IN
AV3
AV3 Y PP4801 PS6002
JK4802 1 3 3
10
FRONT JACK
AV3 C
2 4 4
PP4801 PS6002
8
AV3
VIDEO IN
AV3 V PP4801 PS6002
JK4801
7
3
FRONT JACK
6
FRONT JACK P.C.B.
PS9001 P7401
5
FROM
Backend P.C.B.
PS9001 P7401
7
JK3902
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
IC3901
(A/V SIGNAL PROCESSOR)
ENC C IN
6MHz
91 BIAS
BPF
+
ENC Y IN
6MHz
93 CLAMP
LPF
R-Y IN CLAMP/
95
BIAS
Y IN
97 CLAMP
B-Y IN CLAMP/
99
BIAS
AV1 V
33 CLAMP
VCR Y IN
47 CLAMP
+
VCR C IN
48 BIAS
(SW17C)
AV3 Y
41 CLAMP a
b
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)
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
b AV1
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
AV4 V
OUTPUT
OUT
AV4 Y SELECT 83
SWITCH
AV4 C
CIRCUIT
AV2 R/C
AV2 V/Y
TUNER V SLICER
85
SCL
88
IC9701-
IIC BUS
LOGIC
SDA
89
IC9701-26
TUNER V
V OUT
CLAMP 30
S-9
:REC SIGNAL
JK3901
21PIN JACK
15 RED/C
7 BLUE
11 GREEN
19 VIDEO/Y
JK4901
VIDEO OUT
4
1
JK3902
21PIN JACK
19 VIDEO
CPN C IN DM P6003 P9103 P9703 P59001
1 75
V/Y IN DM P6003 P9103 P9703 P59001
2 71
P6002 P9102 P9703 P59001
< R >
17 88
P6002 P9102 P9703 P59001
< G >
19 83
P6002 P9102 P9703 P59001
< B >
18 87
P6002 P9102 P9703 P59001
FROM/TO
< RGB CPSV >
IIC CLK DIGITAL IF PCB 16 84
25 TU7801- 9 TIMER SECTION
P6002 P9102
IIC DATA 8
FROM/TO
TU7801- 9
SYSTEM CONTROL &
SERVO SECTION
5V
2.3V
1.0V
FROM
MAIN P.C.B.
TU7801- 17
TUNER
SECTION
DMR-EZ49VEG/EC/EB
Analog Video (1/2) Block Diagram
:PB SIGNAL
AV1
(TV)
OUT
AV2
(DECORDER TEXT)
TO
DIGITAL P.C.B.