Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM
91
90
H.AMP
8
9
SCL
SDA
H_SW
73
74
80
83
ENV. DET
V.REC_ST-H
ENV
DET
HPF
1
5
6
AE HEAD (–)
AUDIO REC
AUDIO PB
CP4505
HEAD AUDIO
CONTROL
96
Q4506,
Q4507
PB SW
MICON
1
3
6
5
4
DVD_VIDEO
PRE
AMP
98
REC
EQ
VCA
P
R
LINE
AMP
P
R
2MLPF
P/Q EQ
R
40
Y/C/AUDIO/CCD/HEAD AMP IC
IC4501 HA118225F
OSC
Q4502
NORMAL A.
REC ST SW
Q4501
V. SYNC
MICON
Y/C_AUDIO
6
NORMAL_A
1
86
87
SUB
LPF
COIL, BIAS OSC
L4503
REC_TU_V
CYL
HF2
HF_COM
HF1
3
2
1
EP/LP-CH1 (R)
EP/LP_COM
EP/LP-CH2 (L)
CP4501
4
5
6
7
8
9
SP-CH1 (R)
SP_COM
SP-CH2 (L)
HF1 (R)
HF_COM
HF2 (L)
2
AE HEAD (+)
1
FE HEAD (GND)
CP4503
2
FE HEAD (HOT)
REAR_V_IN
89
85
C_SYNC
REC
MUTE
MAIN
DE-EM
FM
AGC
629
TRAP
69
71
X101
4.433619MHz
XTAL VCO/OSC
P
REC
Fillter
NL
E MPH
DEM
HPF
DLIM
DEM0
P
R
Y-LPF
N.L
DE-EM
33 35
GCL
37
GCL
LPF
38
Y CCD
49
51 36
YLR
REC+DO
DO
29
V AMP
SQUELCH
Clear
SYNC
V FBC/
VALC
P
R
28
V FBC/
VALC
23
26
GCL
ACC
R
P
CLPF1
FH HPF
CT1 Trap
REC Trap
HiFi Trap
C-DL
R
P
Main
Conv1
R
P
LPF
Trap
R
P
Main
Conv2
BPF
Pilot
Erase
B.D.
NP-
CONV
C.K.
45
46
57
55
CCD
LPF
CCD
VCA
17
21
19
R
P
C LPF2
CK
R
P
L-DET
42
43
31
Y/C VIDEO
T'TEXT/ HI-FI/
SOUND AMP
15
FRONT_V_IN
Q4606
BUFFER
T'TEXT/ HI-FI/
SOUND AMP
T'TEXT/ HI-FI/
SOUND AMP
DEMODULATOR/
21PIN/STEREO
DVD
17
5
4
PDC/VPD DECORDER IC
IC4502 SDA5650/X
SDA
SCL
CUBS
AMP
Q4607
V.REC ST SW
Q4505
E-5
E-6