Y/C/Audio/Head Amp/In/Out Block Diagram - Toshiba MV19K2R Service Manual

CP4001
SP-CH2 (L)
2
CYL
3 SP COM
4
SP-CH1 (R)
CP4003
1 FE HEAD (HOT)
FE HEAD
2 FE HEAD (GND)
CP4002
AUDIO PB
6
AUDIO REC
5
4 CTL+
A/C HEAD
3 CTL-
2 AE HEAD(-)
1 AE HEAD(+)

Y/C/AUDIO/HEAD AMP/IN/OUT BLOCK DIAGRAM

X4001
3.579545MHz
Y/C/A/CCD/H.AMP
IC4001
LA71067SM-MPB
62 51
61
PULL
VX01
TIMMING
L
85
H.SW
REC
FM-EQ
H
84
AGC
AMP
83
H
P R
82
H.AMP
SW
88
L
R
P
FM
89
AGC
90
DELAY
H
PB
H.SW
FM-EQ
91 L
PB
DOUBLE
PHASE-EQ
LIM
7 REC AMP
5
6
AUTO BIAS
EQ
AMP
4
PB.EE
99 3 2
T4001
Q4005
5 2 BIAS CTL
6 3
Q4006
BIAS OSC P.CON+5V
4 1
Q4003
Q4001, Q4002
AUDIO PB SW SW
Q4009
BUFFER
NC
49
53 47
OUT
DRIVER CCD CLAMP
NL DATAIL
FM WC
DC EMPHA ENH
MOD
V/I
KIL
CONV
C-LPF
Y-LPF
Main 3.58M
B-UP
GCA AMP CONV BPF2
P
ACC
3.58M
AMP
BPF1
R
KIL PB
B.D.
AMP
FM SUB
DEM
LPF
V-AGC
LINE
AMP
ALC
MUTE
40
1 80 78 76 38 42
100 96 98 97
NC NC
2 3
L4004
59
55
30
19
CLAMP 25
P P
28
R
R
YNR/ VCA 46
COMB
CLAMP
44
N.L.
DEEM
Y/C R/P 16
NC1
AUDIO R/P
17
Y/C MIX C ROT 14
1/2
13
RF SW IN
P
AUDIO
12
FBC
MUTE
H.A R/P 11
R
ENV DET
93
Chara
31
INS.
P
R
Q4007
6dB
35
BUFFER
Q4212
SYNC
34 BUFFER
SEP
J701
2
4
SP/LP/EP-H
MICON/
INPUT_SEL
OPERATION/
DECK
TRICK_PB-H/EE-H
DOC_XO_CTL
REC/EE/PB
C.ROTARY
H.SW
VCR_A_MUTE
MICON/
V.REC_ST-H
OPERATION/
DECK
ENV.DET
DUMMY_V.SYNC
SD_VIDEO
P. CON + 5V
TU_AUDIO
SD_VIDEO
TV
Y/C_AUDIO
TU_VIDEO
MICON/
CTL+
OPERATION/
CTL- DECK