Y/C/Audio/Head Amp Block Diagram - Toshiba MW20H63 Circuit Diagrams

CP4501
1 EP/LP-CH2 (L)
EP/LP_COM
2
3 EP/LP-CH1 (R)
SP-CH2 (L)
4
5 SP_COM
CYL
SP-CH1 (R)
6
7 HF2 (L)
8 HF_COM
HF1 (R)
9
HF1
Hi-Fi
HF_COM
HF2
CP4503
1 FE HEAD (HOT)
FE HEAD
2
FE HEAD (GND)
Q4506
CP4502
AUDIO REC
6
AUDIO PB
5
HEAD
4 CTL+
AUDIO
3 CTL-
CONTROL
2
AE HEAD (+)
1 AE HEAD (-)
F-5

Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM

X4501
3.579545MHz
Q4507
Y/C/AUDIO/HEAD AMP IC
IC4501
LA71206M-MPB-E
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
FM-EQ
74 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 BIAS CTL
2
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
V/I
KIL
CONV
P
C-LPF
Y-LPF
R
B-UP Main
3.58M
GCA
CONV
AMP BPF2
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
3 10 32 30 28
2 80 78 76
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
44
23 52 58 77
Y/C_CS
MICON
Y/C_DATA
Y/C_CLK
H. AMP_SW1
C. ROTARY
H. SW
VCR_A_MUTE
MICON
ENV. DET
COMP
DUMMY_V. SYNC
Y/C_VIDEO
DVD_VIDEO
TUNER/DVD IN/OUT/
COMB FILTER
MONI_CVBS
P.CON+5V REGULATOR
NORMAL_A
Hi-Fi
Y/C_AUDIO
FSC
TUNER/DVD IN/OUT/
DTV_CVBS
COMB FILTER
CHROMA/IF
V SYNC
V.REC_ST_H
CTL+ MICON
CTL-
F-6