Block Diagram - Memorex MT1120S Service Manual

Color television receiver
Table of Contents

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SOUND AMP IC
IC852 AN5829S
14
22 21
23
18 19
3
2
Q852
Q851
BUFFER
BUFFER
J702
2
6
2
6
4
4
2
J704
J703
2
5
3
1
4
VIDEO AMP IC
IC703
NJM2234L
7
6
MEMORY IC
IC199
S-24C02BDP-1A
5
6
TH501
F501
IC506
Q507
TLP621(D4-GR-LF2)
FEED BACK
FEED BACK
SW.
VR501
E-1
TONE CONTROL IC
REGULATOR 9V IC
IC854 M62420SP
IC853 KIA78L09BP-AT
1
3
+12V
9 10
2 19
14
7
20
Q705
Q707
MUTE
MUTE
Q701
MUTE_SW
Q702
MUTE_SW
MICON IC
IC101 OEC7044C
CH DOWN
5
AUDIO MUTE
R
VOL DOWN
G
B
POWER
CVIN
27
KEY1
CH UP
REMOCON
26
KEY2
VOL UP
Xin
3 EXT MUTE
38 AV2
Xout
37 AV1
H. SYNC
36
POWER
V. SYNC
34
SCL 1
32
SDA 1
D501~D504
RECTIFIER
T502
7
Q501, Q502
SW.
3
12

BLOCK DIAGRAM

Q352
MUTE SW.
Q351
MUTE SW.
IF/CHROMA AUDIO IC
TU001
IC601 M61203CFP
IF
AGC
Q610
11
1
55 VREG VCC
BUFFER
62
RF AGC OUT
CF601
SAW FILTER
64
VIF IN
1
VIF IN
42
30
R IN
41
28
G IN
40
20
B IN
12
INV FBP OUT
17
29
OS101
V PULSE OUT
10
1
10
SDA
2
AT+5V
5
SCL
19
3
6
FPB IN
X101
20
13
POWER ON CONT
CSTS0800MG03-T2
1
17 V OUT
2
2
VIF Vcc
PUMP UP
VCC
1
7
3
STEREO+5V
IC351 LA4600
8
VIF VIDEO OUT
57
SOUND
10
AMP IC
X' TAL
32
X602
3.579545MHz
Q706
BUFFER
R OUT
14
G OUT
15
B OUT
16
TV/Y IN
36
33
8.7V REG OUT
5.7V REG OUT(FOR CPU)
41
40
Y SW OUT
H OUT
7
5V REG
39
V-OUT IC
Q402
IC401
LA78040
-
AMP
Q401
+
H. OUTPUT
2
6
5
Q601
Q604
REG
REG
TUNER+5V
Q605
REG
3
SPEAKER
SP355
1
SPEAKER
SP354
Q801
RED OUT
Q802
GREEN OUT
Q803
BLUE OUT
Q606
REG
Q603
AT+10V
AT+5V
BUFFER
11
6
8
H. DRIVE
B
G
R
Heater
10
F
7
DY
FB401
3
10
1
F
FBT
9
S
HV
5
4
+12V
2
CRT
V801
E-2

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