Toshiba SD-V280 - Page 129

ABC D E F GH
ABC D E F GH
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
TUNER VIDEO SIGNAL
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
PLAYBACK LUMINANCE SIGNAL
PLAYBACK COLOR SIGNAL
RECORD LUMINANCE SIGNAL
RECORD COLOR SIGNAL
IC101
LA71205M-MPB
Y/C/AUDIO/CCD/HEAD AMP IC
1 10111213141516
17 18 192 20
21 22 23 24 25 26 27 28 29
3
30 31 32 33 34 35 36 37 38 39
4
40
414243444546474849
5
50515253545556575859
6
60
616263646566676869
7
70717273747576777879
8
80
9
L106_1
22uH 0305
L107
22uH
0305
L102
100uH
0305
L105_1
22uH
0305
L104_1
22uH 0305
X101
3.579545MHz
Q105
KTA1266
BIAS CTL
Q107
2SA1037AK
BUFFER
Q106
2SA1037AK
BUFFER
W820
TP101
V.ENV
W824
W829(W186)
Q109
2SC2412K
BUFFER
Q104
KTC3203_Y
BIAS OSC
Q102
KTC3198
AUDIO
PB SW
Q101
KTC3198
AUDIO
PB SW
C138
150V YK
C134
150V YK
C133
150V YK
C137
150V YK
C151 150V KA
C142
4716V YK
C146
150V KA
C148 150V KA
C152
4716V YK
C135
0.2250V YK
C136
2235V YK
C119
1050V YK
C110
4716V YK
C132
150V YK
R139
12K
R138
22K
R115
820
R129
1.8K
1/4W
R133
8.2K
R105
10K
R131
1.5K
R136
22K
R137
12K 1/4W
R113
270
R142
820
R119
2.2K
R117
6.8K
R103
10K
R102
10K
R124
82K
R122
100K
R104
6.8 1/4W
R108
22K
R132
3.3K
R106
6.8K
R107
3.3K
R123
2.2K 1/4W
R127
680K
R116
15K
R114
18K
R101
560
R112
330K
R111
12K
R110
15K
R121
1K1/4W
R120
220
C172 22P CH
C114
0.1 B
C145 0.022 B
C147
0.022 B
C129 22PCH
C128 39PCH
C162
0.1 B
C158
0.1 B
C121
0.0027 B
C126 0.1 B
C125
390P B
C127 150P CH
C130 0.1 B
C144
0.01 B
C156
0.1 F
C141
0.01 B
C143
0.1 F
C109
0.1 B
C106
0.01 B
C107
0.015 B
C154
0.1 B
C122
0.0012 B
C166
0.068 B
C165
0.047 F
C169
0.047 F
C101 0.022100V MKT
C139
0.1 F
C116
0.1 F
C118
0.01 B
C155
0.1 B
L101
1626009
COIL,BIAS OSC
1
2
34
5
6
C105_1
226.3V KA
C120
150V KA
C115
3325V YK
C124
150V YK
C131
1006.3V YK
C104
2206.3V YK
C123
4.750V YK
C112
2206.3V YK
C163_1
476.3V KA
C103_1
226.3V KA
C140
4.750V KA
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
DURING PLAYBACK.
MEASURED WITH THE DIGITAL TESTER
NOTE:THE DC VOLTAGE EACH PART WAS
CP103
TMC-T02X-E1
1
2
CP102
IMSA-9604S-06Z14
1
2
3
4
5
6
CP101
TOC-C09X-A1
1
2
3
4
5
6
7
8
9
Q103
KRA103SRTK
SW
CAUTION: DIGITAL TRANSISTOR
CD102
122F061502
FFC
COMP
H.SW
ENV.DET
P.CON+5V
H.AMP_SW C.ROTARY
Y/C_CS
Y/C_DATA
Y/C_CLK
P.CON+5V
AUDIO_MUTE-H
DVD_V_OUT
FSC
P.CON+5V
GND
TU/REAR_V_IN
Y/C_VIDEO_OUT
FSC
TO_NORMAL_A FRONT_V_IN
FROM_NORMAL_A
HF1
HF_COM
HF2
Y/C_CLK
Y/C_DATA
Y/C_CS
DUMMY_V.SYNC
V.REC_ST-H
C.ROTARY
AUDIO_MUTE-H
CTL-
P.CON+5V
CTL+
H.AMP_SW
TU/REAR_V_IN
COMP
ENV.DET
H.SW
FRONT_V_IN
C.SYNC
DVD_V_OUT
Y/C_VIDEO_OUT
C.SYNC
P.CON+5V DUMMY_V.SYNC
P.CON+5V
TO_NORMAL_A
P.CON+5V
V.REC_ST-H
CTL+
CTL-
FROM_NORMAL_A
GND
HOT
(VCR PCB)
Y/C/AUDIO/CCD/HEAD AMP SCHEMATIC DIAGRAM
FROM/TO VCR SYSCON
FROM/TO OPERATION/DISPLAY
FROM/TO TUNER/JACK
FROM/TO DVD I/O
TO FE HEAD
FROM/TO HEAD AUDIO CONTROL
FROM/TO CYL
FROM/TO HI-FI/DEMODULATOR
FROM/TO REGULATOR
H-14H-13
2.80.22.6
2.602.01.41.11.14.80.82.32.3
0
2.32.32.32.32.32.3
3.23.3
NC
4.12.14.8 4.8 0 5.2 0 5.2 5.2 5.2 4.9 3.2 4.9 4.9 1.2 2.2 0.8
0
1.6
0
2.5
3.2
3.2
2.6
3.3
2.6
4.1
2.3
2.3
2.1
1.6
3.6
4.1
5.0
4.4
3.2
2.1
NC
2.3
0
2.3
4.9
2.3
0
1.8
1.8
1.8
0
1.6
1.8
5.0
1.8
1.9
1.8
1.6
2.9
2.1
0
3.9
3.3
4.9
1.6
02.2
SYNC
VSS
P
P
R
R
PB-C
PB-C
R
P
P
R
R
HA
GND
CHROMA
DET
DET
KILL
OUT
COMP
HA VCC
DET
ACC
DET
ENV
HA SW
MUTE
AUDIO
IN
RF-SW
C-ROT
C-GND
DECODER
SERAIL
C-VCC
P
R
P
R
R
P
APC
REC
APC
PB
AFC
REC
PR
LPF
PP
P
R
R
CONV
Sub
BPF
4.21M
C-LPF
ACC
DET
AMP
ACC
CONV
Main
AMP
B-UP
BPF2
3.58M
BEFORE
AFTER
P
R
BGA
BGA
BGA
CNC
AMP
PB
P
B.D
BPF1
3.58M
YNR/COMB
TEST
R-EQ
NORMAL
MOD
FM
EMPHA
NL
EMPHA
NL
ENH
DETAIL
CLAMP
Y-LPF
DEEM
N.L.
NC1
MIX
Y/C
AGC
VIDEO
1/2
FBC
P
R
Y-GND
FIL
AGC
FM
Q-ADJ
EQ
PHASE
fo-ADJ
EQ
PHASE
SLD
VCO
320FH
VX01
B
5V
ALWAYS
VCP
CLAMP
VCA
VCA
IN
OUT
VSS
CCD
CLAMP
AUTO-BIAS
DRIVER
OUTTIMMING
PLL
CLOCK
4FscVDD
3
2
1
4V
REG
TC1
BAL
TC2
AGC
QV/QH
6DB
SEP
SEP
V.SYNC
Y-VCC
4.7K
MAIN
FIL
EMPHA
DET
S
B
LPF
SUB
DEM
FM
DOUBBLE
LIM
DE-EM
MAIN
S-EQ
R
P
FM EQ
PB
R
P
SOPB
VHS
AGC
FM
FM-EQ
REC
AMP
LINE
BIAS
AUTO
MUTE
AMP
REC
VREF
PB,EE
PB,EE
DET
PB:EP
REC:LP<EP
L
H
L
H
P
P
R
P
P
R
PRE GND
HA
A-GND
3
2
1
A-VCC
ALC
ALC
AMP
EQ
SP,LP
2.3V
Vref
+
NC
5.2
0
5.2
0
0
0
HF2 (L)
HF1 (R)
EP/LP COM
SP-CH2 (L)
EP/LP-CH2 (L)
5.2
0
5.3
0
0
0.7
0.7
0
0
AE HEAD(-)
AUDIO REC
CTL+
CTL-
AE HEAD(+)
AUDIO PB
FE HEAD(HOT)
FE HEAD(GND)
PCB010
4.8
17
16
19
18
20
NC
VMA251
HF COM
SP-CH1 (R)
EP/LP-CH1 (R)
SP COM
0
4.2
3.6