25" Deflection Circuit - Zenith TVBR1342Z Service Manual

1 2
G
1
FROM/TO CHROMA
F
CP820_1 (CP601)
8283_1312_00_000
1 SOUND+B
2 SOUND_GND
3 H.OUT
4 GND
5 V.FEEDBACK
6 V.OUT
TO SHEET 22
7 ACL
R412
8 H.PULSE
E
1K
9 TV_POWER_H
10 POWER_FAIL
11 X-RAY_TEST W819
12 NC
13 DEGAUSS_H
D
C
FROM/TO TV POWER
P.CON+111V
TV.POWER_H
SOUND+B
SOUND_GND
TO SHEET 19
DEGAUSS_H
POWER_FAIL
+B
GND
W811
B PROTECTOR
Q402
2SC1815Y
4.6
A
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL
REPLACE ONLY WITH PART NUMBERS SPECIFIED.
3 4
V.OUTPUT IC
IC401 LA78041
THERMAL PROTECTION
-
AMP
+
PUMP UP
Vcc GND
2 3 4 5 6 7
3.9 25.5 1.3 0 12.9 24.8 3.9
C412
500V 22P pF
R416
R413
P/L+-1% 6.8K +-1%
15
HS401
763WAA0089
18
R449
T401
5013001
17
P/L
C416
31.0 0 W816
P/L NC
0.2
31.0
0.5 22.3 1.3
H-DRIVE
0
HS402
Q405
763WAA0111
2SC2621
0
0
0
SWITHING 18.5
0
Q403
DTC114TS
R440
SWITHING
18.5
Q404
P/L
2SA1015Y
TP403
003P-2100
15.1 18.5
W854
D409 R442
12K 1/4W
HZ11B3L
+-1%
W814 TP404
003P-2100
.

25" Deflection Circuit

5 6
This schematic
applies to the
following model
only:
TVBR2542
16
W826
C431
250V 22 uF
247.6
W838
1.3
H.OUTPUT
0
Q406
2SD2335(LS)
D411
RMPG06J
D412
RMPG06J
5-20 P/L = See parts list for part description
7 8 9
TO DY
DY801_1
7M062505
CP401_1
TS-80P-04-V1
4 4
3 3
2 2
1 1
FB401_1 3225010F
K001
COL
8115529
1 HV
K002
MG801
29MMSTAR 8115529
+180V
6
F K003
8115529
S
GND
V801
11
A63AHC26X
B+ ABL
2 7
9
AFC HEATER
9 10
10
R
8
GND GND
8 5 NC G
6
B
+25V
11
+14V
3 4
NC 5 7 1
21
CD802
8M82025A
TO CRT
FOCUS
SCREEN
R452
11 W
R450
TO SHEET 25
P/L
CP803A
51052-0500
CC005 CC004
TP-1S-05
TP-1S-05 180V 180V
5
NC 4
GND GND
3
GND GND
2
HEATER HEATER
1
CD803
2E054402
C439
220P uF
R423
10K 1/4W
R453
150K 1/4W W837
PROV = Provisional
10
15 0.5V 5ms/div
16
1V 10ms/div
17 5V 20µs/div
TO CRT
18 0.5V 20µs/div
TVBR2000 SHEET 20