Panasonic DMR-EH75VP Service Manual page 62

DMR-EH75VP
TU7401
U/V TUNER PACK
VIDEO OUT 18
A
C3005,L3002
PEAKING
FILTER
B
C
X3002
3.58MHz
TO
AUDIO SECTION
FSC
IC4501- 45
TO
SYSTEM CONTROL SECTION
Q3001
FSC
BUFFER
IC6001- 48
TO
SYSTEM CONTROL SECTION
SVHS PB DET H
IC6001- 61
D
DMR-EH75VP
Analog Video Block Diagram
IC3001
(AUDIO/VIDEO SIGNAL PROCESSOR)
ATT ATT SD
15
-6dB -4dB
HPF
SD
ATT
17
-6dB
R
VIDEO
AGC R
ATT
19
-10dB
ATP
P
ATT
21
-10dB
23
R
26 GCL
NON-LINEAR
Y-LPF
DE-EMPHASIS
P
33
R
SQPB
P SQPB
35 GCL
EQ
SQPB
DO/REC
Y-NOISE HP-NC PHASE
REDUCTION TRAP-NC COMPARATOR
37 GCL
DO
38 LPF
NON-LINEAR
DEH
EMPHASIS
40
Y-CCD
49
DELAY
51
ET LPF
36
REC FBC+ALC
PB AGC+APL
MAIN
12
DE-EMPHASIS
MAIN EMPHASIS
fo/DEVIATION FM
9 CARRIER OFFSET
ADJUSTMENT MODULATION
W.C/D.C
8
SUB
DEMO DLIM G-EQ
LPF
67
X'TAL
VCO
OSCILLATOR
69
SQPB SQPB
FM
P-EQ
AGC
65 2FSC
SQPB
DL
C CLOCK
53 TO C CCD
DRIVER
63
S-PB
20
DET
:DVD VIDEO EE SIGNAL
EXT
2MHz
LPF
INT
P
ACC
R
CLEAR
SQUELCH
SYNC
FEED BACK NTSC/PAL
CLAMP CONVERTER
VIDEO ALC
R
P
APC SW
R
P
R P
PB APC
R
PILOT
ADD
KILLER
P
BPF
REC APC
4.43PAL MPAL
B.D
CONV DELAY
ACC SW
PILOT
ERASE
CHROMA
ACC
ACC DET
C-ACC:ON
MIX
B.E LEVEL
CHROMA
ADJUST
ACC DET
THROUGH
P
REC TRAP/
Hi-Fi TRAP
R
NO
FREC TRAP
FREC
TRAP
REC
FILTER
REC
+ VCA
MUTE
SP
EP
R
629MHz
TRAP
P
62
:REC SIGNAL :PB SIGNAL
76
TW3001
VIDEO
6dB C-
ENVE
AMP SQUELCH
Q3004
V-AMP 29 AMP
COLOUR
KILLER
MAIN R
C LPF2
CONV 2
VCA 57
P
+
C CCD 55
R P
MAIN
46
CONV 1
CCD
45
LPF
+
C LPF1
DATA 74
COLOUR
CLOCK 73
KILLER
fh HPF
CTL TRAP
H SW 80
C-
DELAY
SP2 85
SP2
CH2
86
CH1
SP1
SP1 87
EP2 89
EP2
CH2
90
CH1
EP1
EP1 91
DMR-EH75VP
Analog Video Block Diagram
TO
SYSTEM CONTROL SECTION
OSD V IN
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