LG GC260W, Service Manual

Page: 37 / 122

3-26 3-27
3. Y/C Block Diagram
(PB MODE)
90
93
96
84 V.ENV
87
70
V
.H.SW
C.ROT
AR
Y
D
ATA
CLOCK V
.OUT
(MICOM)
69 68 67
C-Delay
(1H/2H)
BPF
MAIN
CONV
ACC C LPF
CCD
LPF
ACC
DET
CNC
25 21
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.ROT
AR
Y
D
ATA
CLOCK
V
.OUT
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
29 28
4.43MHz
27 21
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
35
36
37
22
32 33 31 30 29 28 27 26 25 24 23
Audio input Block • T
uner
• F
.A/V
• A/V1
Modulator A.out (T
o T
uner)
Audio Out
Normal A.out (T
o A
VCP)
Normal A.IN (From A
VCP)
Hi-Fi PNR Block
Hi-Fi REC Block
A B
IC801