Toshiba MMU-P0121H Service Manual page 132

3-7-3-7. Method of how to change interface control
P.C. board
This service P.C. board is common to all models.
Change the P.C. board according to the following method.
Method
(1) Turn off the power supply of the outdoor control unit.
(2) Pinch off all connectors and faston terminals connected to the interface P.C. board.
(Pinch off the connector without grasping the leads.)
(3) Remove the interface P.C. board from the seven supporters.
(4) Cut the jumper(s) of the P.C. board according to the
below table.
(5) Set the P.C. board in the outdoor control unit after
setting the jumper(s). (Make sure the P.C. board is
inserted surely in the supporters.)
(6) Insert the connectors and the faston terminals.
(Confirm there is no mis-insertion.)
(7) If parts on the P.C. board bend by the P.C. board
exchange. Correct them and make sure they don't
come in contact with other parts.
(8) After putting a cover on the outdoor units, turn on the
power supply and confirm the operating.
Inverter model
No. Model
1 MMY-M1001T8
2 MMY-M0801T8
3 MMY-M1001HT8
4 MMY-M0801HT8
MMY-MP1001HT8
5
MMY-MP1001HT7
MMY-MP0801HT8
6
MMY-MP0801HT7
7 MMY-MP1001T8
8 MMY-MP0801T8
Fixed-speed unit model
No. Model
1 MMY-M10018
2 MMY-M08018
3 MMY-M06018
4 MMY-M1001H8
5 MMY-M0801H8
6 MMY-M0601H8
MMY-MP1001H8
7
MMY-MP1001H7
MMY-MP0801H8
8
MMY-MP0801H7
MMY-MP0601H8
9
MMY-MP0601H7
10 MMY-MP10018
11 MMY-MP08018
12 MMY-MP06018
J02 J05 J06
— — —
— — —
— — —
— — —
Cut — —
Cut — —
Cut — —
Cut — —
J02 J05 J06
— Cut —
— Cut —
— Cut Cut
— Cut —
— Cut —
— Cut Cut
Cut Cut —
Cut Cut —
Cut Cut Cut
Cut Cut —
Cut Cut —
Cut Cut Cut
3-129
J05
CN502 CN507
IC500
J07
CN506
J08
J09
CN505
IC802
J02
J06
J22
IC603
IC300 IC301
J07 J08 J09
— — —
Cut Cut —
— — —
Cut Cut —
— — —
Cut Cut Cut
— — —
Cut Cut Cut
J07 J08 J09
— — —
Cut Cut —
Cut — Cut
— — —
Cut Cut —
Cut — Cut
— — —
Cut Cut —
Cut — Cut
— — —
Cut Cut —
Cut — Cut
SN 4316V105
SN 4316V106
IC100
IC700
IC602
IC801
IC604
IC302
IC303 IC706 IC304
SN 4316V105
J22 P.C. board
Cut MMY-INV
Cut MMY-INV
— MMY-INV
— MMY-INV
— MMY-INV
— MMY-INV
Cut MMY-INV
Cut MMY-INV
SN 4316V106
J22 P.C. board
Cut MMY-E-P
Cut MMY-E-P
Cut MMY-E-P
— MMY-E-P
— MMY-E-P
— MMY-E-P
— MMY-E-P
— MMY-E-P
— MMY-E-P
Cut MMY-E-P
Cut MMY-E-P
Cut MMY-E-P