Memorex MVT2195 Service Manual page 17

CP4001
SP-CH2 (L)
2
CYL
3 SP_COM
4 SP-CH1 (R)
CP4003
1 FE HEAD (HOT)
FE HEAD
2 FE HEAD (GND)
CP4002
AUDIO PB
6
5 AUDIO REC
4 CTL+
HEAD AUDIO
CONTROL
3 CTL-
2 AE HEAD(-)
1 AE HEAD(+)
E-3
Y/C/AUDIO/HEAD AMP/IN/OUT BLOCK DIAGRAM
X4001
3.579545MHz
Y/C/AUDIO/CCD/HEAD
AMP IC
IC4001
LA71067M-MPB
62 61 51
PULL
VX01
TIMMING
L
85
H.SW
REC
H FM-EQ
84
AGC
AMP
83
C-LPF
H
P R
82
H.AMP
SW
GCA
88
L
R
P
FM
89
AGC
90
DELAY
H
PB
H.SW
FM-EQ
91 L
PB
DOUBLE
PHASE-EQ
LIM
7 REC AMP
5
6
AUTO BIAS
EQ
AMP
4
PB.EE
99 1
3 2
T4001
Q4005
BIAS CTL
5 2
6 3
Q4006
BIAS OSC P. CON + 5V
1
4
Q4003
Q4001, Q4002
SW
AUDIO PB SW
Q4009
BUFFER
NC
49
53 47
OUT
CLAMP
DRIVER CCD
NL
FM WC DETAL
MOD EMPHA ENH
DC
V/I
KIL
CONV
P
Y-LPF
R
Main 3.58M
B-UP
AMP CONV BPF2
P
ACC
AMP 3.58M
BPF1
R
KIL
PB
B.D.
AMP
FM SUB
DEM
LPF
V-AGC
P
LINE
ALC
AMP
MUTE
SYNC
SEP
42 38
96 98 97 80 76
100
59
55
30
19
CLAMP 25
P
28
Q4011
R
TRICK PB
74
SW
YNR/ VCA 46
COMB
CLAMP
44
N.L. Q4008
DEEM
36 EP SW.
Y/C R/P 16
NC1
AUDIO R/P
17
Y/C MIX C ROT 14
1/2
RF SW IN 13
P
AUDIO
12
FBC
MUTE
H.A R/P 11
R
ENV DET
93
Chara
31
INS.
R
Q4007
6dB
35 BUFFER
34
2 3
L4004
SP/LP/EP-H
MICON/
INPUT_SEL
OPERATION/
TRICK_PB-H/EE-H DECK
DOC_XO_CTL
REC/EE/PB
C. ROTARY
H. SW
VCR_A_MUTE
MICON/
OPERATION/
V. REC_ST-H
DECK
ENV. DET
DUMMY_V. SYNC
SD_VIDEO
TV
H. SYNC
MICON/
FRONT_AUDIO
OPERATION/
FRONT_VIDEO
DECK
TU_VIDEO
TU_AUDIO
TV
CHROMA_VIDEO
Y/C_AUDIO
MICON/
CTL+
OPERATION/
CTL-
DECK
E-4