Figure 82 - Program Card 031-03601-002; Figure 83 - Microboard - York YK-EP B Operation & Maintenance Manual

SECTION 5 - SERVICE

FIGURE 82 - PROGRAM CARD 031-03601-002

+5.0V Load to Switch Baseboard
FIGURE 83 - MICROBOARD (031-03630-007 DC POWER SUPPLY TEST POINTS
218
031-03601-002
Z.OPT.01.00.012
Measure the power supply voltages with a Digital Volt
Meter in reference to Ground at TP1 or TP11.
TEST
VOLTAGE
POINT
+5VDC TP3
+12VDC TP4
-12VDC TP33 -11.5 to -12.5VDC
+24VDC TP35 +22.4 to +26.7VDC
+3.3VDC TP2
VCC TP15 +4.92 to +5.28VDC
+5VA TP10 +4.95 to +5.05
Battery n/a
LD22058
FORM 160.87-OM1
ISSUE DATE: 8/24/2018
VOLTAGE RANGE FUSE
+4.92 to +5.28VDC F1 (5A) CR56
+11.58 to +12.5VDC F2 (5A) CR57
F3 (5A) CR58
F4 (4A) CR59
+3.25 to +3.43VDC n/a
n/a
n/a
+2.95 to +3.45 n/a
JOHNSON CONTROLS
LED
CR62
n/a
CR61
n/a