Y/C/Audio/Head Amp; Micon - Toshiba MW20F51 Service Manual

CP4501
1 EP/LP-CH2 (L)
EP/LP_COM
2
EP/LP-CH1 (R)
3
SP-CH2 (L)
4
CYL 5 SP_COM
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)
CP4502
6 AUDIO REC
AUDIO PB
5
HEAD
CTL+
4
AUDIO
3
CTL-
CONTROL
2 AE HEAD(+)
1 AE HEAD(-)
E-5
Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM
X4501
3.579545MHz
Y/C/AUDIO/HEAD AMP IC
IC4501
LA71205M-MPB
50 49
VX01
TIMMING
L
67
H.SW
H
66
AGC
AMP
H
P
R
65
H.AMP
SW
72
L
R
FM
AGC
73
DELAY
H
PB
H.SW
74 FM-EQ
L
PB
PHASE-EQ
9
REC AMP
7
8
AUTO BIAS
EQ
AMP
6
PB.EE
Q4506
AMP
11 5
COIL, BIAS OSC
L4502
Q4505
5 2 BIAS CTL
3
Q4504
BIAS OSC
4 1
Q4503
Q4501, Q4502
AUDIO PB SW SW
Q4507
Q4509
BUFFER
BUFFER
39
41 37
PULL
OUT
DRIVER CCD CLAMP
NL DETAL
WC
FM
REC
ENH
EMPHA
DC
MOD
FM-EQ
V/I
KIL
CONV
C-LPF
Y-LPF
Main
3.58M
B-UP
GCA
CONV
BPF2
AMP
P
P ACC
3.58M
AMP
BPF1
R
KIL
PB
B.D.
AMP
DOUBLE FM
SUB
DEM LPF
LIM
LINE
V-AGC
A
MP
LPF
R
P
ALC
ALC
DET
MUTE
4 3 2 10 80 78 76 32 30 28
55
SERIAL
54
53
DECODER
CLAMP 22
P P
21
R R
VCA 36
YNR/
COMB
CLAMP 34
N.L.
DEEM
NC1 H.AMP SW/
58
AUDIO
MUTE
Y/C MIX
1/2
C ROT
57
P RF SW IN
FBC
R
59
ENV DET
Chara
COMP 60
INS.
P
R
OUT
24
Q4511
SYNC
6dB
26
BUFFER
SEP
23 44 52 68 77
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
Y/C_VIDEO
DIGITAL
AUX_V[F/R]
COMB FILTER
TUNER_VIDEO
REGULATOR
P.CON+5V_A
NORMAL_A
Hi-Fi/
Y/C_AUDIO
DEMODULATOR
FSC
DVD IN/OUT
DVD_VIDEO
V SYNC
CHROMA/IF
V.REC_ST_H
CTL+ MICON
CTL-
E-6