Toshiba RAV-SM563UT-E Service Manual page 137

No. Part name
„
Control P .C. 1) Disconnect lead wires and connectors
board assembly
2) Remove the inverter box (Metal plate).
3) Remove the control board assembly from
NOTES:
1. CN300, CN301 and CN701, etc. at the
2. Remove 4 hooking claws of P .C. board
4) Take off 3 screws fixing the heat sink and
NOTE:
When mounting a new board, check that the
board is correctly set in the groove of the
base holder of P .C. board base.
Attach the P .C. board so that the heat sink
comes securely contact with the metal
sheet.
Procedure
connected from the control P .C. board
assembly to other parts.
1. Lead wires
• Connection with the power terminal
block: 3 wires (Black, White, Orange)
• Earth wire: 1 wire (Black)
2. Connectors
• Connection with compressor:
Remove 3P connector.
• Connection with reactor:
Remove the relay connectors from
P07, 08 (2P , White) and P12, 13 (2P ,
Yellow)
CN300 : Outdoor fan (3P , White)
CN301 : Position detection (5P , White)
CN701 : 4-way valve (3P , Yellow)
CN600 : TE sensor (2P, White)
CN601 : TD sensor (3P, White)
CN603 : TS sensor (3P, White)
CN602 : TO sensor (3P , White)
CN500 : Case thermo. (2P , White)
CN703 : PMV (6P , White)
P .C. board base.
(Remove the heat sink and the control
board assembly as they are screwed.)
control board assembly side are connec-
tors with locking function. Therefore,
remove the connector while pushing the
part indicated by an arrow mark.
base, and remove upward the heat sink
with hands.
main control board assembly side, and
replace the board with a new one.
– 137 –
Remarks
Take off
earth screws.
Power line
Inverter box
(Metal sheet)
Control P.C.
board assembly
P.C. board base
Hooking claws
(4 positions)
Control P.C.
board assembly
P.C. board base
Heat sink Inverter box
(Metal sheet)