Memorex MVDT2002SM Service Manual page 156

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