Y/C Block Diagram - Zenith XBV613 - DVD/VCR Combination Service Manual

3. Y/C BLOCK DIAGRAM

(PB Mode)
59 58 57 55 54 53
ENV AUDIO C-ROT
DET MUTE RF-SW
HA SW IN
ACC
64
DET
EP PB 'A'
65
P
EP PB 'B' 67
P
C-LPF
CONV
4.21M
BPF
SUB
SP PB 'B' CONV
72
P
SP PB 'A' 74 P
OUT
39
CCD CLAMP 37
36
IN
VCA
CNC
34
CLAMP
3.58M
BPF2
MAIN
ACC 3.58M
AMP BPF1
ACC
YNR
DET
COMB
CLAMP
Y
LPF
Y/C
MIX
V.OUT
6dB 26
DOUBLE FM SUB
LIM DEM LPF
MAIN
DE-EM
FM PB
AGC FM-EQ
22
21
B
(REC Mode)
EP REC
SP REC
3-23 3-24
57 55 54 53 51 50 49 48 47
320FH
SERIAL VX01 SLD
VCO
DECODER
REC REC
APC APC
66 R
BGA
MAIN B-UP
C-LPF
69
CONV AMP
ACC
AMP
70
4.21M
BPF ACC
DET
SUB DETAIL
CLAMP
ENH
CONV
LPF
MAIN
NL
73 R EMPHA
EMPHA
FM
MOD
REC
FM-EQ
OUT
39
38
37
CCD CLAMP
IN
36
VCA
34
CLAMP
IC302
TU/LINE1
SW
32
BLOCK
3.58M
VIDEO
BPF1
AGC
DVD
30
YNR
COMB
Y
LINE2
28
V.OUT
26
22
B 21
20