Zenith Z-171 Series Service Manual page 81

Page
6-7
System Checkout and Troubleshooting
the one shown in Figure 6-3 and is value
equal approximately 300 VAC peak . to
peak at 500 cycles/second? In 1m
CAUTION: Do not remove the P3 connector when the power is on. To
do so will damage the LCD assembly.
1m Replace the DC power board and return
to step 1.
In Replace the backlight and return to step
1.
02 04 06 08 010
<)
c>.
<>
<:r
P6
+12V 1
0
GND 2
0
GND 3
0
+5V 4
0
+ 12V 5
0
GND 6
0
GND 7
0
+5V 8
0
DC POWER
BOARD
Figure 6-2: DC Power Board