Hitachi 61HDX98B Manual page 30

DP-85 DEFLECTION POWER SUPPLY SHUTDOWN DIAGRAM
TP91
DP11
13
CP16
IP01
ShutDown Pin (7)
on Power Supply
Driver &
Output IC
200V Short Det.
DP37
220V
DP35 ?
Heater
DP30
13V
DP31
28V
DP27
DP26
RP45 RP44
-M28V +28V
-28V Loss Det.
Deflection B+ 130V V1
RP31
0.47
QP04
DP17
DP19
IP06
Photocoupler
Excessive High
DP36
DP35 May Not Be in Set.
QP06
13V Short Det.
28V Short Det.
DP29
DP28
RP41 RP40
-M13V +13V
-13V Loss Det.
6
Q777
1
Deflection B+ (130V)
Excessive Current Det.
DP18
DP23
QP05
ShutDown
S.C.R.
Voltage Det.
DP25 DP34
X-RAY
PROTECT
DP33
DP32
RP42
Heater from Def. Power Supply. Goes
to CRT's
Heater To High Det.
D759
7
C769
8
T752
H.Blk
Deflection B+ 130V
Deflection B+ (130V)
Excessive Voltage Det.
Deflection Flyback
Excessive Current Det.
Flyback
RH23
TH01
1.2
9
QH03
10
DH24
5
DH31
QH07
DH30
QH06
High Voltage Stability Too
D754
D753
Q754
D757 D756
Deflection Transformer
Inoperative Det.
Heater
DH25
Doesn't
go to
DH26
CRT's
DH27
Heater Loss Det.
High Det.
Side Pin Failure High
Det.
D760
Side Pin
Failure
Low Det.
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