Panasonic PV-V4525S - Page 34

SP2
SP2
SP1
SP1
SP2
SP2
SP1
SP1
CH2
CH1
CH2
CH1
SP
SP
SQUELCH
NTSC/PAL
CONVERTER
COLOUR
KILLER
MAIN
CONV 2
+
MAIN
CONV 1
R
P
R
P
R
P
R
P
RP
PILOT
ADD
BPF
B.D
PILOT
ERASE
DELAY
C LPF1
6dB
AMP
C-
SQUELCH
V-AMP
C LPF2
VCA
C CCD
CCD
LPF
+
COLOUR
KILLER
fh HPF
CTL TRAP
CHROMA
ACC
B.E
MIX
LEVEL
ADJUST
REC TRAP/
Hi-Fi TRAP
P
R
C-
DELAY
FREC TRAP
C-ACC:ON
THROUGH
NO
FREC
TRAP
+
REC
MUTE
VCA
29
57
55
46
45
85
86
87
89
90
91
ATT
-6dB
ATT
-4dB
ATT
-10dB
ATT
-10dB
VIDEO
AGC
HPF
2MHz
LPF
ACC
CLEAR
SYNC
FEED BACK
CLAMP
VIDEO ALC
NON-LINEAR
DE-EMPHASIS
SQPB
EQ
APC SW
PB APC
KILLER
REC APC
ACC SW
ACC DET
CHROMA
ACC DET
REC
FILTER
FM
MODULATION
fo/DEVIATION
ADJUSTMENT
REC FBC+ALC
PB AGC+APL
ET LPF
MAIN
DE-EMPHASIS
MAIN EMPHASIS
CARRIER OFFSET
W.C/D.C
SUB
LPF
DEMO DLIM G-EQ
X'TAL
VCO
OSCILLATOR
SQPB
DL
P-EQ
S-VHS
DET
FM
AGC
629MHz
TRAP
R
P
INT
EXT
SQPB
SQPB
GCL
P
R
Y-LPF
R
P
SQPB
SQPB
DO/REC
DO
R(SVHS)
R(SVHS)
GCL
GCL
LPF
Y-CCD
DELAY
Y-NOISE
REDUCTION
HP-NC
TRAP-NC
PHASE
COMPARATOR
DEH
NON-LINEAR
EMPHASIS
15
17
19
23
26
33
35
37
38
40
49
51
36
12
9
67
63
20
8
PEAKING
FILTER
L3012,
C3012
S-VHS PB (H)
TO SYSTEM CONTROL
SVHS
SVHS
R
ATP
R
P
P
R
EXT
INT
P5002
6
P5002
5
P5002
4
P5002
3
P5002
2
P5002
1
TO/FROM
DD CYLINDER
VIDEO HEAD
TO/FROM
DD CYLINDER
VIDEO HEAD
SP L
SP COM
SP R
SLP L
SLP COM
SLP R
IC3001
(AUDIO/VIDEO SIGNAL PROCESSOR)
R
P
LPF
EXT
INT
TUNER VIDEO
TO/FROM TUNER
TP3001
AMP
Q3301
52 50
IC6001
OSD
SIGNAL
PROCESS
Q3030
BUFFER
REC VIDEO SIGNAL PB VIDEO SIGNAL
VIDEO
IN
VIDEO
OUT
JK3001
(REAR JACK)
JK3002
(FRONT JACK)
7
VIDEO
IN
69
X3001
FSC
TO SYSTEM CONTROL Q3060
BUFFER
TP6008
TP6010
74
73
IIC DATA
IIC CLOCK
TO/FROM SYSTEM CONTROL
VIDEO OUT
SP(L)
HIFI FSC
TO Hi-Fi AUDIO
Q3012
FROM SYSTEM CONTROL
80 VIDEO HSW
FROM SYSTEM CONTROL
VIDEO SIGNAL PATH BLOCK DIAGRAM
VIDEO SIGNAL PATH BLOCK DIAGRAM
PV-V4525S/PV-V4535S-K/PV-455S-K
1.1Vp-pV1
0.5V
20µs
REC/PB
1.0Vp-pV1
0.5V
20µs
REC
0.5Vp-pV1
0.2V
20µs
REC
1.5Vp-pV1
0.5V
20µs
REC/PB
0.3Vp-pV1
0.1V
20µs
REC/PB
0.45Vp-pV1
0.2V
20µs
REC/PB
0.5Vp-pV1
0.2V
10ms
REC/PB
1.4Vp-pV1
0.5V
5ms
REC
PV-V4525S / PV-V4535S-K / PV-455S-K
34