Toshiba MV19K2 Service Manual page 38

CP4001
SP CH1 (R)
6
5 SP COM
4
SP CH2 (L)
CYL
3 EP/LP CH1 (R)
2 EP/LP COM
1 EP/LP-CH2 (L)
Q4004
BUFFER
COMP
SCL
SDA
MICON/
H.SW
POWER
CTL-
CTL+
Q4003
SW
Q4001, Q4002
AUDIO PB SW
CP4005
6
AUDIO PB
5
AUDIO REC
HEAD
4 CTL+
AUDIO
CONTROL
3 CTL-
BIAS OSD
L4003
2
AE HEAD(-)
1 AE HEAD(+)
CP4004
2
FE HEAD (GND)
FE HEAD
1 FE HEAD (HOT)
Y/C/AUDIO/HEAD AMP/IN/OUT BLOCK DIAGRAM
Y/C/A/H.AMP
IC4001
LA71170M-MPB
82
ENV
DET
84
85
COMP
94
OUT
88
PB_FM
AGC
90
REC FM
AGC2
91
23
DECODER
SERIAL
24
CTL
30
PB EQ
100
P
R
1
PB/EE
LINE
AMP
AMP
3
EQ
AUTO REC
4
MUTE
BIAS AMP
11
99 5 6 7 98 96
Q4005
5 2 DRIVER
4 3
Q4006
BIAS OSC
64 63 61
71 72
R
P
KIL
DET VXO
KIL R
APC APC
PB REC
P
COMB
BEFORE
AMP
PB BGA
BEFORE
AFTER
320FH
P
R
P
VXO PB BGA
VCO
AFTER
XO
Sub REC
R
CONV BGA
C-LPF
Main P
CONV B_UP
AMP
ACC
R
BPF2
REC
FM FM
FM-AGC
DEM DEM
S-EQ
S W/D DOUBLE NL DETAIL
CLIP LIM EMPHA ENH
PB_FM
TH
N
EQ
ALC
ALC
DAT
P R
97 76 78 80 18 19
17
Q4007
AMP
15.6KHz TRAP
L4001
6
IN OUT
4
Q4010
BUFFER
59 57 54 52 51
C COMB
CLK
49
-IN
Y_DELAY 46
45
Q4012
BUFFER
P CLAMP 43
R
NL DE
EMP
Y.N.R
41
R P
N.C.1
R P
38
PIC_CTL
ANR
36
34
Y/C
P 1/2
R MIX
FBC
32
SYNC
EE
SEP
31
AGC
Q4011
29
6DB
CLAMP
Y-VCC
16
21 20
Q4212
Q4009 Q4013
SW
BUFFER
5 3 2
J4201
IN OUT
1
GND GND
TU_VIDEO
TU_AUDIO
Y/C_AUDIO
TV
BUFFER
Y/C_VIDEO
SD_VIDEO
Q4210
MUTE SW
BUFFER EXT_MUTE
MICON/
POWER
V.REC_ST_H
FRONT_VIDEO
FRONT_AUDIO