Panasonic DMR-EH80VEG Service Manual page 74

DMR-EH80VEG / DMR-EH80VEB
VTR
TU7401
U/V TUNER PACK
VIDEO OUT 18
A
C3005,R3003,L3001
PEAKING
FILTER
B
X3002
3.58MHz
TO
AUDIO SECTION
C
FSC
IC4501- 45
TO
SYSTEM CONTROL SECTION Q3002
FSC
BUFFER
IC6001- 48
D
IC3001
(AUDIO/VIDEO SIGNAL PROCESSOR)
P
ATT ATT SD
15
-6dB -4dB
HPF
R
SD
ATT
17
-10dB
VIDEO R
AGC R FEED BACK
CLAMP
ATT
19
-10dB
ATP
VIDEO ALC
P
ATT
21
-10dB
23
R
26 GCL
NON-LINEAR
Y-LPF
DE-EMPHASIS
P
33
R
SQPB
SQPB
P
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 629MHz
P-EQ
AGC TRAP
65 2FSC
SQPB
DL
C CLOCK
53 TO C CCD
DRIVER
63
:DVD VIDEO EE SIGNAL
EXT
2MHz
LPF
INT
ACC
CLEAR
SQUELCH
SYNC
NTSC/PAL COLOUR
CONVERTER KILLER
R
P
MAIN
APC SW
CONV 2
R
P
R P
+
PB APC
R
PILOT
ADD
MAIN
KILLER
CONV 1
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
INT
P
EXT
74
:REC SIGNAL :PB SIGNAL
76
TW3001
EXT
VIDEO
6dB C-
ENVE
AMP SQUELCH
INT
V-AMP 29
43
R
C LPF2
VCA 57
P
C CCD 55
R P
46
CCD
45
LPF
TO/FROM
SYSTEM CONTROL SECTION
+
C LPF1
IIC DATA
DATA 74
IC6001-
COLOUR IIC CLOCK
CLOCK 73
KILLER IC6001-
FROM
SYSTEM CONTROL SECTION
fh HPF
CTL TRAP
HEAD SW
H SW 80
IC6001-
C-
DELAY
SP2 85
SP2
SP L
CH2
86 SP COM
CH1
SP R
SP1
SP1 87
EP2 89
EP2
LP/EP L
CH2
90 LP/EP COM
CH1
LP/EP R
EP1
EP1 91
72
71
18
P5001
6
TO/FROM
P5001
DD CYLINDER
5
VIDEO HEAD
P5001
4
P5001
3
TO/FROM
P5001
DD CYLINDER
2
VIDEO HEAD
P5001
1
DMR-EH80VEG
DMR-EH80VEB
VIDEO 2/2
BLOCK DIAGRAM