43
OPERATING PROCEDURE
PHOTOS&ILLUSTRATION
17. Removing the interface circuit board (I.F.) : Figure 2
(1) Remove 2 Interface board cover fixing screws (4x10).
(2) Remove all lead wire connectors (CNIF1, CNIF2, CNIF3,
CNIF4) on interface circuit board (I.F.).
(3) Remove interface circuit board from the C.B. base.(5 supports)
18. Removing the controller circuit board (C.B.) : Figure 2
(1) Remove all lead wire connectors on controller circuit board (C.B.).
CNF1,CNDC,CNAC,CN2,CN4,CN52C,CN3S,CNDM,CN51
21S4,SV2,63H,63HS,LEV-A,LEV-B,
TH32,TH7/6,TH3,TH4
(2) Remove controller circuit board from the C.B. base.(5 supports)
19. Removing the noise filter circuit board (N.F.) : Figure 2, Photo 14
(1) Remove E2,CN5,LO,NO lead wire connectors from noise
filter circuit board (N.F.).
(2) Remove E1 lead wire connector from electrical parts box.
(3) Remove L, N lead wire connectors from terminal block (TB1).
(4) Remove 4 screws (4x10) for fixing the C.B. base and
detach the C.B. base from the electrical parts box.
(5) Remove CNAC1, CNAC2, E1, LI, NI lead wire connectors
from noise filter circuit board (N.F.).
(6) Remove noise filter circuit board from the C.B. base.
(11 supports)
20. Removing the power circuit board (P.B.) : Figure 2, Photo 15
(1) Remove CN2, CN4, CNDC lead wire connectors from con-
troller circuit board (C.B.).
(2) Remove LO, NO, CN5 lead wire connectors from noise
filter circuit board (N.F.).
(3) Remove 4 screws(4x10) for fixing the C.B. base and detach
the C.B. base from the electrical parts box.
(4) Remove all lead wire connectors on power circuit board (P.B.).
CNAF, CN2, CN3, CN5, CN4, CNDC
TABU, TABV ,TAVW, TABT, TABS, TABP1, TABN1, TABN2
(5) Remove power circuit board from the electrical parts box.
(3 supports and 4 screws ( 2 screws (3x12) + 2screws
(4x18))
21. Removing the active filter module (ACTM) : Figure 2, Photo15
(1) Remove CN2, CN4, CNDC lead wire connectors from con-
troller circuit board (C.B.).
(2) Remove LO, NO, CN5 lead wire connectors from noise
filter circuit board (N.F.).
(3) Remove 4 screws (4x10) for fixing the C.B. base and detach
the C.B. base from the electrical parts box.
(4) Remove all lead wires on active filter module (ACTM).
L1, L2, P, Io, +, -, CNAF (4 wires)
(5) Remove the active filter module (ACTM) from the electrical
parts box.(2 screws (4x14))
22. Removing the reactor (DCL) : Figure 2, Photo16
(1) Remove 4 reactor fixing screws (4x16) to detach the reac-
tor (DCL).
(2) Disconnect L1,L2 lead wire from active filter module
(ACTM).Remove reactor wire from wire supoort.
23. Removing the thermistor <HEATSINK> (TH8) : Photo 15
(1) Remove CN2, CN4, CNDC lead wire connectors from con-
troller circuit board (C.B.).
(2) Remove LO, NO, CN5 lead wire connectors from noise
filter circuit board (N.F.).
(3) Remove 4 screws(4x10) for fixing the C.B. base and detach
the C.B. base from the electrical parts box.
(4) Remove all lead wire connectors on power circuit board (P.B.).
CNAF,CN2,CN3,CN5,CN4,CNDC
TABU,TABV,TAVW,TABT,TABS,TABP1,TABN1,TABN2
(5) Remove power circuit board from the electrical parts box.
(3 supports and 4 screws( 2 screws(3x12) + 2screws(4x18))
(6) Remove the thermistor<HEATSINK> from the electrical
parts box. (1 screw(3x12)
Photo 14
Photo 15
Photo 16
Active filter module(ACTM)
Power circuit board
(P.B)
Wire support
Terminal block
(TB1)
Lead wire
for heatsink
thermistor
Reactor(DCL)
Noise filter circuit board (N.F.)
Figure 2
Electrical
parts box
Active filter module (ACTM)
Power curcuit board (P.B.)
C.B. base
Interface circuit
board (I.F.)
Noise filter circuit
board (N.F.)
Controller
circuit board
(C.B.)
Reactor (DCL)
Summary of Contents for PUHZ-W90VHA
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