Overvoltage Diode Check; Resistor Check (Pcb Versions 4512 108 0862X / 0934X) - Philips Optimus Manual

MINUS PLUS
E1 C1 21.5 - 22kΩ
E2,3,4 C2,3,4
Ex Cx
The table below shows values of IGBT gate - emitter resistances.
Converter working OK and completely assembled.
Q100 kV-power PCB 4512 108 0862x / 0934x
MINUS PLUS
G1 E1 3.8kΩ ±10%
G2,3,4 E2,3,4
Gx Ex
▪ Record the conditions in the checklist (last pages).
4.2.3

Overvoltage diode check

Cathode = heat sink plate
MINUS PLUS
Cathode Anode
V500 V500
V501,2,3 V501,2,3
Cathode V5xx Anode V5xx
▪ Record the conditions in the check list (last pages).
4.2.4

Resistor check (PCB versions 4512 108 0862x / 0934x)

▪ Check 2 groups of 3 parallel resistors:
R506 / 507 / 508
and
R509 / 510 / 511
With 39Ω ±5% per group. Each resistor must have a resistance of 13Ω ±5%.
▪ Record the conditions in the checklist (last pages).
12
Ω ➜
∞
0Ω < 200mV
Ω PLUS
G1
G2,3,4
0Ω Gx
➜
310mV ±10%
0
CSIP Level 1 (08.0)
© 2008 Koninklijke Philips Electronics N.V.
ALL RIGHTS RESERVED
Converter test kit OPTIMUS for OPTIMUS 50/65/80 gen‐
erators release 3.x with converters 4512 104 7231x
PLUS MINUS
E1 C1
E2,3,4 C2,3,4
Ex Cx
MINUS Ω
E1 4.2kΩ ±10%
E2,3,4
Ex 0Ω
PLUS MINUS
Cathode Anode
V500 V500
V501,2,3 V501,2,3
Cathode V5xx Anode V5xx
Ω
16.5kΩ ±10% 300mV ±10%
0Ω < 200mV
➜
∞
0
Conv test Optimus
➜