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VIDEO SIGNAL PATH BLOCK DIAGRAM
MAIN C.B.A.
UHF/VHF TUNER UNIT
IC3001
(VIDEO SIGNAL PROCESS)
RF
TUNER
5
17
VIDEO
VIDEO
VIDEO
19
IN2
VIDEO
17
IN1
21
V1
1.0Vp-p
0.5V
20µs
Q3001
BUFFER
29
V1
1.5Vp-p
0.5V
20µs
VIDEO
OUT
Q6009
BUFFER
NOT USED
Q3002
BUFFER
Y
S-VIDEO
C
OUT
Y OUT
PB/CB
OUT
PR/CR
OUT
A
23
26
33
35
YNR
Y-LPF
ATT
DEH
(-10dB)
INPUT
SELECT
ATT
0.2V
(-10dB)
ATT
VIDEO
BE
(-10dB)
HPF
ACC
BPF
AGC
BD
R
NL.EMPH
FBC
P
NL.DE EMPH
ALC
CLEAR
SYNC
MAIN
SQUELCH
DE EMPH
6dB AMP
Y-LPF
C.SQUELCH
NP,NC
6dB AMP
YNR
CLAMP
35
33
IC6001
(VIDEO SIGNAL PROCESS)
TP6010
50
A
OSD
SIGNAL
52
V1
440mVp-p
V1
PROCESS
56
IC3002
(SW)
0.2V
20µs
0.5V
6
2
4
1
(FROM IC6001-59)
DVD SELECT(H)
57
55
46
45
V1
440mVp-p
CCD
V1
0.44Vp-p
20µs
MAIN
0.2V
20µs
CONV1,2
MAIN EMPH
FO / DEV ADJ
CARRIER OFFSET
FM MOD
REC FILTER
S-DET
W.C / DC
S
P
SUB
G
EQ
DEMO
DLIM
LPF
EQ
N
MAIN
CTL TRAP
BPF
DELAY
TRAP
CONV1.2
FH HPF
B.E
B.D
ACC
N
P
C.K
12
63
69
1.0Vp-p
(FROM IC6001-81)
Q3014
SP(L)
20µs
Q3003
BUFFER
REC VIDEO SIGNAL
0.5V
SP2
86
SP2
85
CH2
CH1
SP1
C.BDL
LPF
SP1
629
87
TRAP
SP2
90
SP
629
FM AGC
SP2
TRAP
SP
89
CH2
CH1
SP1
SP1
2M
91
LPF
B
OSC
67
20
83
28
80
74
73
(FROM IC6001-71)
IIC CLOCK
X3001
(FROM IC6001-72)
IIC DATA
(FROM IC6001-18)
VIDEO HEAD SW
(FROM IC6001-13)
V LOCK PULSE
(TO IC6001-9)
TRACKING ENVELOPE
(TO IC6001-85)
S-VHS PB(H)
(TO IC6001-48)
FSC
Q3005
(TO IC4201-45)
BUFFER
1/4 OSC
(FROM IC6001-23)
Q4172
HIFI ADJUSTMENT(H)
PV-D4734S/PV-D4744/PV-D4744S/PV-D4754S/PV-D4734S-K/PV-D4744S-K/PV-D4754S-K
PB VIDEO SIGNAL
V1
1.3Vp-p
5ms
CYLINDER UNIT
P3501
VIDEO SP
6
L HEAD
P3501
5
VIDEO SP
P3501
R HEAD
4
P3501
VIDEO SLP
3
L HEAD
P3501
2
VIDEO SLP
P3501
R HEAD
1
B
V1
5.0Vp-p
2V
5ms
P5001
DVD VIDEO
17
P5001
DVD S-Y
9
P5001
DVD S-C
FROM
11
DVD II
BLOCK
P5001
DVD Y
DIAGRAM
19
P5001
DVD PB
21
P5001
DVD PR
23
VIDEO SIGNAL PATH BLOCK DIAGRAM
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