Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM
30
2
22
32
10
21
67
65
7
9
36
6
8
34
55
54
53
57
4
3
5
78
76
H.AMP
SW
REC AMP
CP4502
6
5
4
AUDIO REC
AUDIO PB
CTL+
HEAD
AUDIO
CONTROL
3
2
1
AE HEAD(+)
AE HEAD(-)
CTL-
CTL+
CTL-
Y/C/AUDIO/HEAD AMP IC
IC4501
LA71205M-MPB
39
Q4509
BUFFER
TIMMING
CCD
OUT
DRIVER
CLAMP
37
58
60
59
24
66
H.SW
72
73
74
H.SW
H
L
H
L
H
L
PB.EE
P
R
WC
DC
NL
EMPHA
REC
FM-EQ
FM
MOD
P
R
AGC
AMP
KIL
FM
AGC
DELAY
PB
FM-EQ
PB
PHASE-EQ
P
R
C-LPF
GCA
B-UP
AMP
ACC
AMP
Main
CONV
3.58M
BPF2
AUTO BIAS
P
R
KIL
B.D.
PB
AMP
3.58M
BPF1
DOUBLE
LIM
FM
DEM
SUB
LPF
V/I
CONV
P
R
Y-LPF
YNR/
COMB
N.L.
DEEM
NC1
Y/C MIX
SYNC
SEP
VCA
CLAMP
1/2
FBC
Chara
INS.
6dB
P
R
P
R
V-AGC
L4502
CLAMP
EQ
AMP
LINE
AMP
MUTE
ALC
Y/C_CS
Y/C_DATA
Y/C_CLK
H. AMP_SW1
C. ROTARY
H. SW
ENV. DET
COMP
DUMMY_V. SYNC
AUX_V[F/R]
TUNER_VIDEO
NORMAL_A
Y/C_AUDIO
2
3
1
5
Q4505
BIAS CTL
11
4
AUDIO
MUTE
H.AMP SW
C ROT
RF SW IN
ENV DET
COMP
OUT
Q4504
BIAS OSC
Q4503
SW
Q4501, Q4502
AUDIO PB SW
HF1
HF2
Hi-Fi/
DEMODULATOR
HF_COM
COIL, BIAS OSC
X4501
3.579545MHz
VX01
50
49
PULL
41
Q4507
BUFFER
DIGITAL
COMB/FILTER
MICON
Hi-Fi/
DEMODULATOR
80
SERIAL
DECODER
VCR_A_MUTE
V.REC_ST_H
LPF
ALC
DET
P
R
MICON
MICON
VIDEO OUT
EP/LP-CH1 (R)
EP/LP-CH2 (L)
CP4501
6
5
4
SP-CH1 (R)
SP_COM
SP-CH2 (L)
CYL
3
2
1
EP/LP_COM
HF2 (L)
HF_COM
HF1 (R)
7
8
9
FE HEAD (HOT)
FE HEAD (GND)
FE HEAD
2
1
CP4503
DETAL
ENH
28
DVD_VIDEO
FSC
26
Y/C_VIDEO
Q4511
BUFFER
DVD IN/OUT
Q4506
AMP
Y/C_VIDEO
V SYNC
CHROMA/IF
P.CON+5V
REGULATOR
E-3
E-4
