Block Diagram - Memorex MT2274A Service Manual

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CH. DOWN
VOL. DOWN
CH. UP
VOL. UP
POWER
OS101
1
TU001
12
11
10
13
17
IC501
Q504
T501
PS2561AL1-1-V(W)
RELAY DRIVE
3
13
D501~D504
RECTIFIER
8
15
5
Q501
SWITCHING
RELAY
RY501
F501
AC IN
E-1
MICON/CHROMA IC
IC101 OEC7091C
RGB Proc.2
66
OSD SW
CONTRAST BRIGHTNESS
67
68
I/O
69
IIC
RGB Proc.1
70
TIM
RGB MATRIX
INT
COLOR CONT
PWM
78
AD
OSD
66
ROM
RAM
62
Q507
FEED BACK
FEED BACK
SDA SCL
SW
MEMORY IC
Q502
IC199 AT24C04N-10SU-2.7
BUFFER
SOUND DECORDER IC
IC901 AN5829S
2
14
J701
J712
3
2
23
21
22
2
24
J711

BLOCK DIAGRAM

J705
24 26
20
29
Chroma Proc.
ACC/C-BPF
APC/KILLER
MCU
TINT/DEMO
CLK
Ver.Proc.
Ver SYNC SEP
Ver.COUNT DOWN
V RAMP
56
58
57
37
38
V-OUT IC
IC401 LA78041
5
6
PUMP UP
7
1
2
2
3
4
6
SOUND AMP IC
J710
IC1001 AN17805A
2
5
3
4
6
30
50
RGB OUTPUT Stage
DRIVE
51
CUT OFF
52
HV BLK
Q607
H.CTL
Hor.Proc.
46
SYNC SEPA/Hor. VCO
45
Hor.COUNT DOWN
AFC-1/H COINCIDENT
Q402
AFC-2 H PHASE
H. DRIVE
Q401
VCXO
H. OUTPUT
16
X601
3.579545MHz
-
AMP
+
VCC
2
6
5
1
2
3
12
9
SPEAKER
7
SP1001
Q801, Q804
RED AMP
Q803, Q805
GREEN AMP
Q802, Q806
BLUE AMP
11
6
8
B
G
R
CRT
Heater
V801
10
7
F
DY
FB401
9
10
F
S
HV
E-2

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