Y/C/Audio/Head Amp; Micon - Toshiba MW20F52 Service Manual

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