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Y/C/Audio/Head Amp; Tv Block Diagram - Toshiba MV20P2C Service Manual

Color television/ video cassette recorder
Table of Contents

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SCL
MICON/
SDA
IN/OUT/AV
AT+5V_BACK UP
AT+12V
TU_AUDIO
Y/C/AUDIO/
TU_VIDEO
HEAD AMP
Y/C_AUDIO
TU601
1
SAW FILTER
CF601
4
1
4
3
5
11
Q404
X-RAY
SW.
MICON/
Q403
IN/OUT/AV
X-RAY_TEST
SW.
TH501
2
2
1
1
D518, D520,
F501
D521, D530
AC IN
RECTIFIER
Q507
FEED BACK
FEED BACK
IC502
SW.
TLP621(GR)
E-1
Q602, Q603
Q601
BUFFER
CHROMA/IF IC
IC601 M61250FP
42
53
58
59
RF AGC OUT
63
VIF IN (1)
64
VIF IN (2)
2
AFT OUT
34
X602
3.579545MHz
T501
8
11
Q511
13
SWITCHING
14
Q510
16
SWITCHING
5
3

TV BLOCK DIAGRAM

Q606
REG.
AT+12V
REG.
Q604, Q605
UNREG+8V
REG.
32
47
28
54
49
AUDIO OUT
51
SDA
26
27
SCL
24
FAST BLK
14
R OUT
15
G OUT
16
B OUT
V OUT
5
20
V PLUSE OUT
6
V RAMP FEED BACK
21
B IN
23
R IN
22
G IN
19
10
11
Q508
PROTECT SW
AT+12V
Q505
UNREG+8V
POWER_FAIL
IC501
KIA78R05API
P. CON+5V
5V REG IC
V. OUTPUT IC
IC401 AN5522
THERMAL
PROTECTION
AMP
Q607
PUMP
UP
H-CONTROL
VCC
1
2
3
5
7
Q405
Q406
H-DRIVE
H. OUTPUT
FB401
1
COL
2
+B
6
E180
7
ABL
9
AFC
10
HEA
E180V
Q804
BLUE AMP
Q806
RED AMP
Q805
GREEN
AMP
Q609, Q611
ACL_CANCEL
Q612
CUT OFF SW
SOUND AMP IC
IC351 AN7511
Q503
2
6
PROTECT
DRIVE
8
5
1
4
POWER_FAIL 2
VCR_POWER-H
TV_POWER-H
TV_A_MUTE
MICON/
H_CTL
IN/OUT/AV
DY
3
HV
J801
F
F
S
7
11
V801
CRT
8
6
Y/C/AUDIO/
VD
HEAD AMP
PROTECT
VD
HD
MICON/
OSD_BLK
IN/OUT/AV
OSD_B
OSD_R
OSD_G
AFT_M
2
HEADPHONE JACK
7
J351
1
SP353
SPEAKER
SP351
SPEAKER
MICON/
IN/OUT/AV
E-2

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