Block Diagram - Memorex MT2252 Service Manual

SOUND DECORDER IC
IC852 AN5829S
18 19 14 22 21
5
6
CH DOWN
VOL DOWN
POWER
CH UP
VOL UP
Q403 Q101
X-RAY X-RAY
TEST SW. TEST SW.
TH501
F501
IC506
Q507
LTV-817M-VB
FEED BACK
FEED BACK
SW.
VR502
E-1
TONE CONTROL IC
9V REG. IC
IC854 M62420SP
IC853 KIA78L09BP-AT
3
1
9 10 2 19 14 7 20
MEMORY IC
SDA
IC199
S-24C02BDP-1A
SCL
MICON IC
IC101 OEC7044C
5 TV MUTE
RED R 42
GREEN G 41
27 KEY1 BLUE B 40
CVIN 17
26 KEY2
10
REMOCON
P. FAIL
9
19
Xin
X101
EF0EC8004T4
34
SCL 1
20
Xout
32
SDA 1 1
H. SYNC
2
V. SYNC
29
X-RAY
35
DEGAUSS_H
30 X-RAY_TEST Q608
POWER 36 SW TCHING
RY501
RELAY
D501~D504
RECTIFIER
T501
7
5
1 3 14
SW REG. IC
12
IC501
STR-G6624
AT+10V
Q504
RELAY DRIVE

BLOCK DIAGRAM

+12V
Q351
MUTE SW
CHROMA IC
TU001
IC601 M61206FP
IF AGC
11 1
50 AUDIO OUT
62
RF AGC OUT
CF601
SAW FILTER
64 VIF IN
1 VIF IN
30 R IN
G IN
28
20 B IN
12 INV FBP OUT
29 V PULSE OUT
OS101
1
10 SDA
2
5 SCL
3
6 FPB IN
13 POWER ON CONT
17 V OUT
2
VIF Vcc
PUMP UP
VCC
1 7 3
STEREO+5V
IC351 LA4600
8
SOUND
10
AMP IC
10
X602
3.579545MHz
X' TAL 32
57
VIF VIDEO OUT
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
LA78041
-
AMP
Q401
+
H. OUTPUT
2 6 5
Q601 Q604
5V REG
5V REG
TUNER+5V
Q605
5V REG
3
9 SPEAKER
SP351
1
Q801
RED OUT
Q803
GREEN OUT
Q802
BLUE OUT
Q606
REG
Q603
AT+10V
AT+5V
5V REG
11 6 8
H. DRIVE
B G R
Heater
10
F 7
DY
DY801
FB401
3
10
1
F
FBT
S
9
HV
5
4 +12V
2
CRT
V801
E-2