Y/C/Audio/Ccd/Head Amp - Memorex MVR2040A Service Manual

CP4001
1 EP/LP_CH2 (L)
2 EP/LP_COM
3 EP/LP_CH1 (R)
4 SP-CH2 (L)
CYL SP_COM
5
6
SP-CH1 (R)
7
8
9
1 FE HEAD (HOT)
FE HEAD
2
FE HEAD (GND)
CP4002
6
AUDIO PB
5 AUDIO REC
HEAD
4
CTL+
AUDIO
3 CTL-
CONTROL
2 AE HEAD(-)
AE HEAD(+)
1
E-1
Y/C/AUDIO/CCD/HEAD AMP BLOCK DIAGRAM
X4001
3.579545MHz
Y/C/AUDIO/CCD/
HEAD AMP IC
IC4001
LA71077BM-MPB
62 51
61
PULL
VX01
TIMMING
L
85
H.SW
REC
H FM-EQ
84
AGC
AMP
83
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 2 1
3
T4001
Q4005
5 2 BIAS CTL
6 3
Q4006
BIAS OSC P.CON+5V
4 1
Q4001, Q4002 Q4003
AUDIO PB SW SW
Q4007
BUFFER
Q4008
BUFFER
Q4009
BUFFER
49
53 47
OUT
CLAMP
DRIVER CCD
NL
FM WC DETAL
MOD DC EMPHA ENH
V/I
KIL
CONV
C-LPF
Y-LPF
B-UP Main 3.58M
CONV BPF2
AMP
P
ACC
3.58M
AMP
BPF1
R
KIL
PB
B.D.
AMP
FM SUB
DEM LPF
V-AGC
P
LINE
AMP ALC
MUTE
96 98 97 42 40
100 78 76
59
55
30
19
CLAMP 25
P
P
28
R
R
YNR/ VCA 46
COMB
44
CLAMP
N.L.
DEEM
Y/C R/P 16
17
AUDIO R/P Q4004
NC1
COMP OUT 94 BUFFER
14
Y/C MIX C ROT
1/2
13
RF SW IN
P
AUDIO
12
FBC
MUTE
11
H.A R/P
R
ENV DET 93
15
H.A SW
Chara
R
INS.
31
6dB
35
SYNC
34
SEP
4FSC
SP/LP/EP-H
SYSCON/
INPUT_SEL
SERVO/DECK
TRICK_PB-H/EE-H
DOC_XO_CTL
REC/EE/PB
COMP
C.ROTARY
H.SW
AUDIO_MUTE-H
SYSCON/
V.REC_ST-H
SERVO/DECK
ENV.DET
H.AMP_SW
DUMMY_V.SYNC
OSD_V
C.SYNC
FSC
FRONT_V_IN
TUNER_V
TUNER
TUNER_A
FRONT_A_IN-L
FROM_NORMAL_A
CTL+
SYSCON/
SERVO/DECK
CTL-
E-2