Memorex MT2252 Service Manual page 20

A B
FROM/TO CHROMA
8
CLAMP
G.OUT
B.OUT
R.OUT
V_FEEDBACK
V_OUT
ABCL
H_SYNC
H_OUT
7
FBT+8V
GND
6
R401
5
100K +-1%
FROM/TO MICON/TUNER
D402
X-RAY
HZ11B1L
X-RAY_TEST
15
C439
500V 22P SL
H.DRIVE
Q402
27.0
4
2SC2621
5013001
0.3
0
S802Y
R440
3.3K 5W 160V
W812
3
L406
18uH
C416 R428
200V 0.027 PP 8.2 1/2W
TO SOUND
+12V
2 FROM POWER
+B
GND
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-5
C
DEFLECTION/CRT SCHEMATIC DIAGRAM
V-OUT IC IC401 LA78041
THERMAL
PROTECTION
PUMP
UP
+
AMP
-
VCC GND
1 2 3 4 5 6 7
14
3.9 26.1 2.2 0 13 26 39
18
R418_2
R420_1
22K +-1%
6.8K 1/4W
HS401
763WAA0104
X-RAY TEST SW.
Q403
16.0 DTA144EKA
C410
9.6 16.1
0.0022 B
R424 R409
D411
12K +-1% 6.2K +-1% AU02A-EIC
C437_1
250V 0.56 PMS
W843
T401
17
112.0 COL
H.OUTPUT
1
114.0
Q401
2SD2499(LBOEC1) 128.0
0 128.0
VIDEO
6
16
0
0
B+
2
0
C446 AFC
C401_1
9
HEA
0
TER
1 MHE 220P B
10
0
GND
R422 8
0.3
E12
6.8K 1/2W 4
-0.1
E25
3
W814
D408
AU02A-EIC
C448
D404 250V 10 YK
AU02A-EIC
NOTE:
THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D E
(MAIN PCB)
CP802A CD802
51048-0510 2E053701
GND
GND 5
CLAMP
CLAMP 4
G.OUT
G.OUT 3
B.OUT
B.OUT 2
R.OUT
R.OUT 1
K001
MG801
8115529
29MMSTAR
K002 CD801
8115529 8M82025A
K003
8115529
V801
A63AFW36X
5 7 1
11
B
6
D403
G
8
R
19
11E1-EIC
10
9
DY801
3321 203 00040
4 4
3 3
2 2
1 1
C433
35V 470 YK
R429
4.7 2W
FB401 3225010F
HV
F
SCREEN
S
GND
005P-2100
11
ABL
7
0
GND
8
-27.0
E8
5
D407 AU02A-EIC
C406
500V 0.0022 B
R445
CP803A
100K 1/4W 51052-0400
HEATER HEATER
4
GND GND
3
GND GND
2
180V
180V
1
CD803
2E044101
PCB010
TMX458
CAUTION: SINCE THESE PARTS MARKED BY ARE
ATTENTION: LES PIECES REPAREES PAR UN
CRITICAL FOR SAFETY,USE ONES
DANGEREUSES AN POINT DE VUE SECURITE
DESCRIBED IN PARTS LIST ONLY
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D E
F G
CP802B
51048-0510
GND
5 GND
CLAMP
4 CLAMP
G.OUT
3 G.OUT
B.OUT
2 B.OUT
R.OUT
1 R.OUT
CP801
TS-80P-02-V1
1
1
2 2
BLUE OUT
GREEN OUT
RED OUT
Q803
Q801
2SC4217
2SC4217
3.2 3.2
3.2
100.6 98.4 95.4
2.7 2.7
2.7
CC006
TP-1S-05
20 22
R G B
FOCUS
1
CP806
W838
96.4
6.4
0
101.6
CP803B
51052-0400
99.6
HEATER
4
GND
3
GND
2
180V
1
PCB110
TCX318
CAUTION: DIGITAL TRANSISTOR
ETANT
F G
H
8
7
Q802
2SC4217
6
21
5
4
3
J801
CVT3275-5102
0
2
R.SIGNAL
G.SIGNAL
B.SIGNAL
DEFLECTION SIGNAL
1
H
G-6