LG EC970W - Y;C Block Diagram; Hi-Fi Block Diagram

3-26 3-27
3. Y/C Block Diagram
(PB MODE)
90
93
96
84V.ENV
87
70
V.H.SW C.ROTARY DATA CLOCK V.OUT (MICOM)
69 68 67
C-Delay
(1H/2H)
BPF
MAIN
CONV
ACCC LPF
CCD
LPF
ACC
DET
CNC
2521
IC301
LA71750M
PB FM EQ FM OEM
PB FM
AGC
MAIN
DE EMP
Y-LPF
YNR
SUB LPF
60dB AMP
Y/C MIX
65 63 61
46
43
Y-Delay
79 78
(REC MODE)
80
REC'H' V.H.SW C.ROTARY DATA CLOCK
V.O UT MICOM V.IN4 FRONT V.IN3 DEC
79 78 76 75 70 69 68 67 65 59 58 54 52
50 V.IN2 S1
V.IN1 TUNER
48
46
43
33
32
31
CLK-IN
2928
4.43MHz
2721
95
94
89
88
Killer C-LPF ACC
BPF
Main
Conv
Main
Conv
DETAIL
ENH
NL
EMPHA
W/D
CLIP
IC301
LA71750M
UP REC
SP REC
(To Drum)
(To Drum)
W/D
CLIP
REC
FM EQ
Y-LPF FBC
AGC
SW
Y-DELAY
KILL DEC
REC APC
VX02 VX02
COMP
AMP
1H/2H
DELAY
YNR
4. Hi-Fi Block Diagram
1 2 3 4 5 6 7 8 9
10
13 16 17 19 20 21
353637
22
32 33 31 30 29 28 27 26 25 24 23
Audio input Block
• Tuner • F.A/V • A/V1
Modulator A.out (To Tuner)
Audio Out
Normal A.out (To AVCP) Normal A.IN (From AVCP)
Hi-Fi PNR Block
Hi-Fi REC Block
A B
IC801