Power Supply; Ouput Voltage - Hitachi 50C10 Service Manual

Lcd rear projection television
Table of Contents

Advertisement

IV. POWER PWB
1 . P o w e r s u p p l y
1 .1 Output voltage:
Description
No.
1
SBY+5V
SW+15.5V
2
3
SW+10V
SW+5.5V(1)
4
SW+5.5V(2)
5
6
SW+1.8V
SW+35V
7
8
AUDIO+29V
9
FAN+10V
FAN+12V
10
11
LAMPPOWER
Measuring conditions
L i n e v o l t a g e : A C 1 0 8 - 1 3 2 V (No.11 is measured with AC120V)
R e c e i v e H I T A C H I c i r c l e p a t t e r n s i g n a l
B r i g h t n e s s · · · · · · M A X
C o n t r a s t · · · · · · · · · M A X .
P r e h e a t a t l e a s t 5 m i n . b e f o r e b e i n g c h e c k e d .
( 2 ) I m p e r f e c t r a s t e r
T h e r e s h o u l d n o t b e a n y i m p e r f e c t r a s t e r .
Measuring conditions
Supply AC1088V from AC stabilizing power supply
Receive HITACHI circle pattern signal.
Contrast and Brightness: Factory Reset condition
BACK TO ADJUSTMENTS
Measuring point
+ side
- side
PPS1(12)
PPS1(4)
PPD(1),(2)
PPD(3),(4)
PPS1(2),(3)
PPS1(5)
PPS1(8),(9)
PPS1(6)
PPS1(10),(11)
PPS1(7)
PPS2(1),(2)
PPS2(3),(4)
PPS1(1)
PPS1(4)
PPAB(1)-(3)
PPAB(4)-(6)
PPF2(2)
PPF2(3)
PPF3(2)
PPF3(3)-(5)
PPL(1)
PPL(2)
93
Line voltage [V]
5.0
+/-0.5
16
+/-1.0
10
+/-0.5
5.5
+/-0.3
5.5
+/-0.3
1.99
+/-0.07
35
+/-2.0
31.7
+/-1.0
10
+/-0.5
11.7
+/-0.5
320
+/-10.0
LC37/LC37F

Advertisement

Table of Contents
loading

This manual is also suitable for:

50c10e50v500aLc37nLc37j

Table of Contents