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Data Clock
11
12
BUS
to BUS Line
Interface
PIF
VIF AMP
In1
5
IF In
SAW
VIF 1
VIF 2
VIF 3
6
PIF
In2
IF AGC
9V
Drive
RF
2ndIF
RF AGC
4
AGC
AGC
+
Out
RF AGC
Delay
6bit
IF AGC
Def
1bit
IF VCC
8
+
+
-
(6 Vcc)/7
IF
GND
7
0.022u
10p
SIF.Out
52
Snd
Det
Amp
Video
Det
Sound
Trap
Video.Level
IF
AGC
Buzz
Canceller
-π/4
+π/4
To
BUS
APC
Det
3
PIF
330
AGC
0.47u
SIF
APC
Filter
SIF.In
53
54
500K
Det
Sound
500K
Amp
BPF
BPF
SIF
VCO
pre-
SIF. Sys
scaller
2bit
APC
Det
OSC
C/D
Amp
IF
B/N
Ident
BUS
INV
3bit
Chroma
VCO
Lock
Det
Counter
To
BUS
Chroma
VIF
Counter
VCO
PLL Pull-in SW
50
48
49
VCO
VCO
APC
COIL1
COIL2
Filter
+
VCO.Coil
1K
1000p
0.01u
LIM
FM Gain
AMP
1bit
FM
Det
+
Amp
-
FM.Level
5bit
+
-
2.5V
Chroma
C/D
To
Input
VOLUME
Select
(ATT)
A.Fil.Def
VOLUME
A.SW
Filter
1bit
VOLUME
A.MUTE
D/A
1bit
VIF
VCO
Ident
Alignment
Phase
Reset
VIF.Sys
Detector
Pulse
2bit
Deem-TC
1bit
FM
De-
Out
2
emph
9
+
FM
FM Mute
Filter
1 bit
Video
Out
46
Audio in
+
51
10u
1
Audio.out
1bit
VOLUME
7bit
47
VCO
+
Filter
VCO
Vcc
AFT
AFT
10
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