Ciruit - Zenith P60W26 Series Service Manual

1 2
G
P15
P1003B
F
P14
FANGND
ALARM
VCC
P13 P1807
E P12
P9
P8
D
P7
C
P6
P21
B
P20
P19
P16
A
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL
PV154 - 923-03493
REPLACE ONLY WITH PART NUMBERS SPECIFIED.
3 4
P5
FAN
FAN
FAN PWB
FAN
P1
.
5 6
5V
5V
P6 5V
5V
5VA
5VA GND
5VA GND
5VA GND
GND
GND
GND
GND
12V
GND
GND
12V
12V
GND
GND
GND
5V
5V
5V
24V FANGND
24V FANVCC
GND GND
GND GND
12V
12V
GND
GND
N/C
GND
5V NOMI
5V
VSVA ON
5V
GND
5V
Not Used ST-BY5V
P-CTL
N/C
5V NOMI A/C ON
VSVA ON
GND
A-B+
ST-BY5V
A-GND
P-CTL
A/C ON
REMOTE
GND
5VST
GND
LED RED
LED GRN
SW1
SW2
SW3
SW4
NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC,
22
CHANNEL 5, AND NSTC COLOR BARS.
7 8
+
VA ADJ
5V
5V
GND
GND
TP5 (GN)
TP6 (VA)
+75VA
+75VA
VA GND
VA GND
CN12 CN11 CN10 CN9
VS GND
VS GND
N/C
+180VS
+180VS
+180VS
5V
GNDVS
5V
GNDVS
CN1
GND
N/C
GND
VS180V
VS180V
+75VA
15V
+75VA
GND
VA GND
GND
CN2
VA GND
5V
VS GND
VS GND
N/C
+
+180VS
+180VS
+180VS
+180VS +180VS
+180VS +180VS
TP1 (380V) TP2 (GND)
N/C N/C
CN3
N/C N/C
VS GND VS GND
VS GND VS GND
+92VS +92VS
N/C N/C
N/C N/C
+230V / V-SETUP +230V / V-SETUP
A/C IN
P60W26 - SHEET 22
9 10
CN8
CN7 P12
GNDVS
GNDVS
N/C
VS180V
VS180V
15V
GND
GND
5V
P11
A/C SWITCH ASSY