Zenith IQC50H94 Technical Training Manual - Circuit
Manual is about: 2000 C-Line Projection TV
of
98
29
CIRCUIT
DESCRIPTION
T901
Switch Mode
Transformer
SBY+7
PQS2
+29V
+29 to
Audio
Circuit
PQU1
Common-Action
Shutdown
Input
AC
I902
Opti-
Coupler
OCP
I903
Opti-
Coupler
CAS
1
3
Drain
I901
Switch
Mode
IC
Protect
Regulate
4
+28V
+35V
17
14
11
2
8
S903
Relay
S902
Relay
SW+35
PQS1
D912
G
D927
G
I905
I906
I907
SBY+11
PQD2 &
PQS1
SW+5
PQS2
I908
SW+12
PQD2
D949
G
D931
G
S901
AC Relay
To Main Power
Supply PQD1
Q905
Q901
D902
D903
R
5
Gnd
Vin
ZP94/95 SERIES CHASSIS STBY POWER SUPPLYCIRCUIT
Q902
Q910
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