Toshiba MMY-MAP0804HT5P - Comp-IPDU P.C. Board (MCC-1596) Replacement Procedure

13-2-4.Compressor IPDU Replacement Procedure
This board is commonly installed in different models before shipment. Set the dip switch (SW800) setting of the
service board to the switch setting before replacement.
Replacement Steps:
(1) Turn off the power supply of the outdoor unit and allow at least 1 minute for the capacitor to discharge. Confirm
that the light of the LED (D800) fades away.
(2) Remove all the connectors and 8 screws of the terminals (
1) connected to the Compressor IPDU. (Remove the
connectors by pulling the connector body. Do not pull the wire. Screws are to be re-used after procedure).
(3) Remove all the 5 screws (
2) which secures the Compressor IPDU to the Heat sink.
(These screws are to be re-used after procedure.)
(4) Remove the Compressor IPDU from the four spacers (
3) by pinching the top of the spacers by round-nose
pliers.
(5) Confirm that no dirt or damage is on the insulation sheet (flesh color) on the heat sink. As it can reduce the heat
transfer efficiency, and can cause a breakdown. If the insulation sheet comes off the heat sink, re-apply the
insulation sheet as shown in the following figure.
Part code Description Applicable model P.C. board type code Product code
43T 6V 408 Comp-IPDU P.C. boardMMY-MAP0804HT5 P(JP)
MMY-MAP1004HT5 P(JP)
MMY-MAP1204HT5 P(JP)
MMY-MAP1404HT5 P(JP)
MMY-MAP1604HT5 P(JP)
MCC-1595 ASM-PCB (A3IPDU)
Compressor IPDU
(MCC-1595)
Compressor IPDU
1 Red wire
1 WHITE wire
3
SW800
D800
3
3
2 Screw
2
2
1 RED wire
1 WHITE wire
1 BLACK wire
1 BLACK wire
2 Screw
1
1
Pinch this part by
round-nose pliers for
removing the PCB.
Spacer 3
(4 are in packed in this
service assembly)
CN203 CN202
CN201
C13
CN03
CN02
C14
CN05
C12
C11
CN01
CN04
２３４１
ＯＮ
DB03
DB02
DB01
Q201
Ex. MMY-MAP1004HT5P
Remove the
PCB
Insulation sheet (flesh color)
Spread it on the heat sink
* Reuse the insulation sheet.
Using a little heat transfer paste
on the heat sink will make easier
to install, because the insulation
sheet will stick to the heat sink.
CN203
CN202
CN201
C13
CN03
CN02
C14
CN05
C12
C11
CN01
CN04
２３４１
ＯＮ
DB03
DB02
DB01
Q201
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