
Y/C/AUDIO/CCD/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
CP4002
6
5
4
AUDIO PB
AUDIO REC
CTL+
HEAD
AUDIO
CONTROL
3
2
1
AE HEAD(-)
AE HEAD(+)
CTL-
CTL+
CTL-
Y/C/AUDIO/CCD/HEAD AMP IC
IC4001
LA71205M-MPB
39
Q4010
BUFFER
TIMMING
CCD
OUT
DRIVER
CLAMP
37
58
60
59
24
26
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
T4001
CLAMP
EQ
AMP
LINE
AMP
MUTE
ALC
Y/C_CS
IIC_DATA
IIC_CLK
H. AMP_SW
C. ROTARY
H. SW
ENV. DET
COMP
DUMMY_V. SYNC
OSD_V
FRONT_V_IN
TUNER_V
FRONT_A_IN_L
FROM_NORMAL_A
6
2
3
1
5
Q4005
BIAS CTL
11
4
P. CON + 5V
H.AMP SW/
AUDIO
MUTE
C ROT
RF SW IN
ENV DET
CONP
OUT
Q4006
BIAS OSC
Q4003
SW
Q4001, Q4002
AUDIO PB SW
COIL, BIAS OSC
X4001
100CT3R508
VX01
50
49
PULL
41
Q4012
BUFFER
TUNER
SYSCON/SERVO
80
SERIAL
DECODER
AUDIO_MUTE-H
V.REC_ST-H
LPF
ALC
DET
P
R
SYSCON/SERVO
SYSCON/SERVO
FSC
EP/LP-CH1 (R)
EP/LP-CH2 (L)
CP4001
6
5
4
SP-CH1 (R)
SP_COM
SP-CH2 (L)
CYL
3
2
1
EP/LP_COM
FE HEAD (HOT)
FE HEAD (GND)
FE HEAD
2
1
CP4003
DETAL
ENH
TUNER_A
28
RESR_V_IN
RESR_A_IN
E-1
E-2
AUDIO SIGNAL (PB)
AUDIO SIGNAL(REC)
RECORD LUMINANCE SIGNAL
PLAYBACK LUMINANCE SIGNAL
RECORD COLOR SIGNAL
TUNER VIDEO SIGNAL
PLAYBACK COLOR SIGNAL