Toshiba W-707 - Page 106

7-6. Video and Conventional Audio Block Diagram
Fig. 7-6-1
PLAY AUDIO
REC AUDIO
REC VIDEO
PLAY VIDEO
17
VXO / XO
19
APC
DET
21
C–ACC
DET
B–ACC
DET AMP
B–ACC
SUB
LPF
B–EMPH
DE–EMPH
REC–C–LEV
TIME
Y / C
BPF
MAIN
CH
ACC
TRAP
PB–C
LPF
24
26
28
C–COMB 30
64
CONV
MAIN REC C
LPF
CLAMP
1H
DELAY
VCO
35
4Fsc
NL–EMPH
DE–EMPH
37
DOC
YNR
GCA
42
SYNC
SEP
44 46 47
CLAMP
MUTE
PV / PH
49
DPE
MAIN
LPF
CLAMP
PB
51 53
DET
AGC MAIN
EMPH
O / C
W / C
CLAMP
15
FM–MOD
55
EQ
REC FM
62
LPF
SUB
D.LIM
EQ
PB–FM
58 59 65 63
C TRAP
DET
AGC
DET
FM–AGC
DET
DOC
DET
S / N
JUDGE
8
4 2
DEMOD
FM
MUTE
BIAS
76
TRAP
fH
MUTE
REC
73
74
78
68
PB
PB
9dB
REC
AMP
DIV
ALC
AMP
AMP
R
P
R P
AMP
PB
ACK
P R
P R
AGC
AMP
P R
R
P
R P
R
P
P
R
R
P
P
R
ACK
PB / SP
/ TRICK
P R
P
16dB
X401
SP–B
VIDEO
4
5
SLP–A
SP–A
P101
SLP–B
MAIN
DE–EMPH
REC Y–C
PB Y–C
DE–EMPH
CIRCUIT
AUDIO PB / REC
FE HEAD
AE HEAD
BIAS
GENERATOR
SWITCH
HEAD
5
4
6
2
AUDIO REC
AUDIO PB
CONVENTIONAL AUDIO PB
CONVENTIONAL AUDIO REC
TUNER AUDIO (N)
HIFI AUDIO
Q206
VIDEO IN
RF
RF
VIDEO OUT
P990
VIDEO OUT
P990
LINE1 VIDEO IN
Q210
5V
OSD VIDEO
PV / PH / BLK
COMP SYNC
REC (H)
TO SERVO / LOGIC
Y / C SIGNAL PROCESSOR
TA1251BF
IC201
CONVENTIONAL AUDIO CIRCUIT
CYLINDER
PLAYBACK
COLOR
SIGNAL
PLAYBACK Y SIGNAL
TO
39
40
ANR
1
CONTROL
MUTE
A.MUTE
2
3
SP
SLP
EQ
+
–
+
–
10
9
IC101 TA8894BF
7
P990
LINE2 VIDEO IN
1
3
ICF01 MM1113XB
PRE–EMP
REC
77
79
75
MUTE