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IC3001 (AUDIO/VIDEO SIGNAL PROCESSOR)
FIXED TO INT IN
THES MODELS BY
EXT PIN53
2MHz
LPF
EXT
INT
P 6dB C-
ATT ATT SVHS AMP SQUELCH
15 -6dB -4dB ACC
HPF INT
R
SVHS
17 ATT CLEAR SQUELCH V-AMP 29
-10dB SYNC
VIDEO R
AGC R FEED BACK NTSC/PAL COLOUR
ATT CLAMP CONVERTER KILLER
19 -10dB ATP
VIDEO ALC
P
R R
ATT MAIN R
21 -10dB CONV 2 C LPF2
VCA 57
P P
P
R P
23 +
C CCD 55
SVHS+L SECAM PILOT R
R NON-LINEAR ADD MAIN R P
26 GCL DE-EMPHASIS CONV 1 46
SECAM DELAY
Y-LP F +SSEQ
SVHS+L SECAM P
P BPF
R CCD
SQPB LPF 45
33
P SQPB B.D 4.43PAL MPAL
EQ CONV DELAY
SQPB
R(SVHS)
C LPF1 +
PILOT
R(SVHS) ERASE
APC SW
35 GCL
DO/REC
Y-NOISE HP-NC PHASE
REDUCTION COMPARATOR PB APC
TRAP-NC CHROMA COLOUR
37 GCL ACC KILLER
DO
L SECAM
MIX C-ACC:ON
KILLER B.E LEVEL
38 LPF ADJUST fh HPF
NON-LINEAR CTL TRAP
DEH L SECAM
EMPHASIS THROUGH
40 REC APC
P
REC TRAP/ C-
Y-CCD Hi-Fi TRAP DELAY
49 DELAY R
ACC SW
51 NO FREC TRAP
ET LPF FREC
TRAP
ACC DET
36
L3002, REC FBC+ALC SP2 85
C3005 PB AGC+APL CHROMA L SECAM
PEAKING MAIN ACC DET
FILTER 12 DE-EMPHASIS L SECAM LPF
SP2
P5001
SP L
CH2 6
P5001 TO/FROM
MAIN EMPHASIS 86 SP COM DD CYLINDER
fo/DEVIATION FM REC 5 VIDEO HEAD
9 CARRIER OFFSET ADJUSTMENT MODULATION FILTER
W.C/D.C CH1 P5001
SP R
4
SP1
8
REC
+ VCA SP1 87
MUTE
SUB
LPF DEMO DLIM G-EQ
SP
71
X'TAL SP2 89
X3001 VCO
OSCILLATOR SP
R
69 SQPB INT SP2
SQPB FM 629MHz P5001
P-EQ AGC TRAP CH2 LP/EP L
3
P P5001 TO/FROM
65 2FSC 90 LP/EP COM DD CYLINDER
SQPB EXT 2 VIDEO HEAD
DL CH1 P5001
LP/EP R
1
SP1
53 C CLOCK TO C CCD EXTERNAL PB LUMINANCE
DRIVER SIGNAL INPUT LINE
(NOT USED IN THESE MODELS)
SP1 91
TO SYSTEM CONTROL
S-VHS DET H 20 S-VHS
DET
NV-HV51EC
NV-HV61EG/EC/EB/EBL/EP
NV-HV66EG
VCR LUMINANCE & CHROMINANCE 2/2
BLOCK DIAGRAM