Panasonic DMR-EH75VP Service Manual page 234

IC3001
(AUDIO/VIDEO SIGNAL PROCESSOR)
TU7401
U/V TUNER PACK
ATT
VIDEO OUT 18 15
-6dB
ATT
17
-6dB
ATT
19
-10dB
ATT
21
-10dB
23
26 GCL
33
35 GCL
A
37 GCL
38 LPF
40
Y-CCD
49
DELAY
51
36
C3005,L3002
PEAKING
12
FILTER
B
C 9
8
SUB
LPF
67
X3002
3.58MHz
69
TO
AUDIO SECTION
65
FSC
IC4501-
45
53
TO
SYSTEM CONTROL SECTION
Q3001
FSC
BUFFER 63
IC6001-
48
TO
SYSTEM CONTROL SECTION
SVHS PB DET H
20
IC6001- 61
D
DMR-EH75VP
Analog Video Block Diagram
SD
ATT
-4dB
HPF
SD
R
VIDEO
AGC R
ATP
P
R
NON-LINEAR
Y-LPF
DE-EMPHASIS
P
R
SQPB
P SQPB
EQ
SQPB
DO/REC
Y-NOISE HP-NC PHASE
REDUCTION COMPARATOR
TRAP-NC
DO
NON-LINEAR
DEH
EMPHASIS
ET LPF
REC FBC+ALC
PB AGC+APL
MAIN
DE-EMPHASIS
MAIN EMPHASIS
fo/DEVIATION FM
CARRIER OFFSET
ADJUSTMENT MODULATION
W.C/D.C
DEMO DLIM G-EQ
X'TAL
VCO
OSCILLATOR
SQPB SQPB
FM
P-EQ
AGC
2FSC
SQPB
DL
C CLOCK
TO C CCD
DRIVER
S-PB
DET
:DVD VIDEO EE SIGNAL
EXT
2MHz
LPF
INT
P
ACC
R
CLEAR
SQUELCH
SYNC
FEED BACK NTSC/PAL
CLAMP CONVERTER
VIDEO ALC
P
APC SW
R
R P
PB APC
PILOT
ADD
KILLER
BPF
REC APC
B.D
ACC SW
PILOT
ERASE
ACC DET
MIX
B.E LEVEL
CHROMA
ADJUST
ACC DET
P
R
NO FREC TRAP
FREC
TRAP
REC
FILTER
REC
+
VCA
MUTE
R
629MHz
TRAP
P
:REC SIGNAL :PB SIGNAL
76
6dB C-
AMP SQUELCH
V-AMP 29
COLOUR
KILLER
R
MAIN R
C LPF2
CONV 2
VCA 57
P
P
+
C CCD 55
R
R P
MAIN
46
CONV 1
P
CCD
45
LPF
4.43PAL MPAL
CONV DELAY
+
C LPF1
DATA 74
CHROMA COLOUR
CLOCK 73
ACC KILLER
C-ACC:ON
fh HPF
CTL TRAP
THROUGH
H SW 80
REC TRAP/ C-
Hi-Fi TRAP DELAY
SP2 85
SP2
CH2
86
CH1
SP1
SP1 87
SP
EP2 89
EP
EP2
CH2
90
CH1
EP1
EP1 91
TW3001
VIDEO
ENVE
TO
SYSTEM CONTROL SECTION
Q3004
OSD V IN
AMP
IC6001-
50
TO/FROM
SYSTEM CONTROL SECTION
IIC DATA
IC6001- 72
IIC CLOCK
IC6001-
71
FROM
SYSTEM CONTROL SECTION
HEAD SW
IC6001-
18
P3001
SP L
6
TO/FROM
P3001
SP COM DD CYLINDER
5
VIDEO HEAD
P3001
SP R
4
P3001
EP L
3
TO/FROM
P3001
EP COM DD CYLINDER
2
VIDEO HEAD
P3001
EP R
1
DMR-EH75VP
Analog Video Block Diagram