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- 7 -

Def control Assy consists of Defrost Thermostat and FUSE–M.
Defrost Thermostat functions to defrost automatically and it
is attached to metal side of the Evaporator and senses
Temp.
Fuse-M is a kind of safety device for preventing over-
heating of the Heater when defrosting.
At the temperature of 77°C, it stops the emission of heat
from the Heater.
1. Pull out the Shroud after removing the Grille.
2. Separate the connector connected with the Def Control

Assy and replace the Def Control Assy after cutting the
Tie Wrap and removing the Holder Fuse. (Figure 14)

3-5-1 Freezer room lamp
1. Unplug the power cord from the outlet.
2. Remove the room lamp lid by taking down while pulling it

forward with your hand after inserting finger into the
inside hole as shown in (figure 16).

3. Remove the lamp by turning it counterclockwise.
4. Assemble in reverse order of disassembly. Replacement

bulb must be the same specication as original.

3-5-2 Refrigerator room lamp
1. Unplug the power cord from the outlet.
2. Remove refrigerator shelves.
3. Remove the room lamp lid by taking down while pulling

forward with your hands as shown in (figure 17).

4. Turn the lamp counterclockwise.
5. Assemble in reverse order of disassembly. Replacement

bulb must be the same specification as original.

1. First, remove all shelves in the refrigerator and Control

Box-R by loosening 1 screw.

2. Loosen 2 screws fixing the Control Box-R to the Inner

Case after detaching the cap screw.

3. Remove the Control Box-R by pulling it downward.

SHROUD-F

FAN

DEF-THERMO

FUSE-M

HOLDER FUSE

FREEZER ROOM LAMP

REFRIGERATOR ROOM LAMP

CONTROL BOX-R

COVER LAMP-R

MULTI FLOW 
DUCT

▼

The parts of refrigerator and the shape of each part are subject to change in different localities.

▼

Capacitors and fuse are optional parts.

- 37 -

324A

106A

304A

406B

104A

106A

315A

103B

103A

283B

105A

282B

282A

103C

281B

501F

323B

328A

329C

420A

319A

301A

315B

315B

315C

418A

318A

314A

307A

312A

317A

310A

120A

327A

129A

151E

151F

158A

158B

409A

409B

281A

604G

407A

319C

604E

158C

610E

501A

501K

(501B,C)

410G

411A

328B

401A

309A

308A

120B

*

282J

- 38 -

151A

155B

151A

154A

149C

125A

149A

205A

330B

405C

404A

329A

405A

205A

241A

241D

241A

233A

230A

203A

200A

210A

210B

149B

140A

241B

231A

201A

233B

332A

235A

234B

131A

131C

503B

503C

212A

212B

503A

243A

243B

244B

244A

212G

The following description is basically for GR-T632/GR-T692. For the other models, refer to the diagram of the entire PCB
circuit.

1. When the appliance is plugged in, it is set to ‘Medium’.  Each time the button is pushed, it is set to 

→

→

→

→

→

’Medium’ in order.

2. When the power is initially applied or restored after a power failure, it is automatically set to ‘Medium’.

- 16 -

TEMP(˚C)

-2

0.5

2.5

3

4.5

ROOM

REFRIGERATOR

▼ 

FOR R-B52DZ/R-B55DZ