Y/C/Audio/Ccd/Head Amp; Regulator; Tuner/Jack; Dvd/Hdd In/Out - Memorex MVD4540 Service Manual

CP101
EP/LP-CH2 (L)
1
EP/LP_COM
2
EP/LP-CH1 (R)
3
SP-CH2 (L)
4
5 SP_COM
CYL
6 SP-CH1 (R)
HF2 (L)
7
8 HF_COM
HF1 (R)
9
HF1
HI-FI/
HF_COM
DEMODULATOR
HF2
CP103
1 FE HEAD (HOT)
FE HEAD
2
FE HEAD (GND)
CP102
AUDIO PB
6
5 AUDIO REC
HEAD
CTL+
4
AUDIO
CONTROL
3
CTL-
2 AE HEAD(-)
1 AE HEAD(+)
E-3
Y/C/AUDIO/CCD/HEAD AMP BLOCK DIAGRAM
X101
3.579545MHz
Q109
BUFFER
Y/C/AUDIO/CCD/HEAD AMP IC
IC101
LA71205M-MPB
50 49
PULL
VX01
TIMMING
L
67
H.SW
REC
FM-EQ
H
66
AGC KIL
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
11 5 4 3
COIL, BIAS OSC
L101
Q105
5 2
BIAS CTL
6 3
Q104
BIAS OSC
4 1
Q103
Q101, Q102
SW
AUDIO PB SW
Q107
BUFFER
39
41
37
OUT
DRIVER CCD CLAMP
WC NL DETAL
FM
DC EMPHA ENH
MOD
V/I
CONV
P
Y-LPF
R
3.58M
Main
B-UP
BPF2
AMP CONV
P
ACC
3.58M
AMP
BPF1
R
KIL PB
B.D. AMP
FM
SUB
DEM LPF
LINE
AMP
V-AGC
LPF
R
P
P
ALC
ALC
DET
MUTE
SYNC
SEP
10 30
2 80 78 76 32 28
55
SERIAL
54
DECODER
53
22
CLAMP
P
21
R
YNR/ VCA 36
COMB
CLAMP 34
N.L.
DEEM
NC1
AUDIO
58
MUTE
HA SW
Y/C MIX
1/2
C ROT
57
P RF SW IN
FBC
R
ENV DET 59
Chara
INS. CONP 60
R
OUT
24
25
6dB
26
Q106
BUFFER
Y/C_CS
SYSCON
Y/C_DATA
Y/C_CLK
H. AMP_SW
C. ROTARY
H. SW
AUDIO_MUTE-H
SYSCON
ENV. DET
COMP
DUMMY_V. SYNC
C.SYNC
Y/C_VIDEO_OUT
FSC

TUNER/JACK

FRONT_V_IN
TU/REAR_V_IN
TO_NORMAL_A
HI-FI/
FROM_NORMAL_A
DEMODULATOR
FSC
DVD/HDD/
DVD V OUT
IN/OUT
P. CON + 5V

REGULATOR

V.REC_ST-H
SYSCON
CTL+
CTL-
E-4