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2. Tu/IF Block Diagram 3. Y/C Block Diagram
1) PB Mode
PB
RF
15 21
74 57 59 52 54 51 61 72 71
IC201 TA1238F
ACC MAIN 46
CONV C. COMB LPF Y
82
DELAY 45
C LPF
85 43
IC301 41
SP 'B' PB 88
LA71598M
NL Y/C
SP 'A' PB 91 YNR
DE EMP MIX
PB FM FM
AGC DEM
SUB LPF
V. ENV 93 LPF
DOUBLE
PB EQ
LIMIT
CLAMP 60dB AMP
10 11 18 17 21 20 23 24 28 29
PB MAIN
PEAKING DE-EMPH
COLOR V.H S/W
ROTARY
CLOCK DATA C SYNC
V.OUT(TO MICOM)
2) REC Mode
15
71 72 61 51 52 54 57 59 IC201
TA1238F
IC 301 24
LA71598M COMB C. COMB 46
Y
BPF AMP DELAY
BPF1 45
84 CCD
43
LPF YNR
41
SP REC
(TO DRUM) 90 + 34
DETAIL Y-LPF
36 V. IN 2
ENH
REC FM 38 V. IN 1
EQ
S/W
NL EMPH FBC
32
FM W/D
MOD CLIP AGC 31 S/W V.OUT
10 11 18 19 23 24 28 29 30
MAIN
EMPH
(From Power)
COLOR V. II S/W CLOCK C. SYNC REC 'H'
ROTARY DATA V.OUT(TO MICOM)
3-19 3-20