Sanyo CL4232, C4232 Continuity of fuse on P.C.B. Ass’y, Method Used to Replace Fuse on PCB Ass’y

12. SERVICE PROCEDURES

6Continuity of fuse on P.C.B. Ass’y

•Check for continuity using a multimeter as shown in Fig. 19.

NOTE

Method Used to Replace Fuse on PCB Ass’y

1.Remove the PCB Ass’y from the electri- cal component box.

2.Remove the fuse from PCB Ass’y using pliers while heating the soldered leads on the back side of the PCB Ass’y with a soldering iron (30W or 60W). (Fig. 20)

3.For replacement, insert a fuse of the same rating to the intended position and solder it.

(Allow time to radiate heat during sol- dering so that the fuse does not melt.)

When replacing the CAUTION fuse, be sure not to

break down the varis- tor.

4)Thermistor Characteristic Curve

Fuse

1042_X_S

Fig. 19

Soldering iron

PCB Ass’y

Fuse Varistor

Pliers

1043_X_S

Fig. 20

1Room temp. sensor (KTEC-35)

	10
	9
)	8
(kn
		7
Resistance
		6
		5
	4

3

2

1

50 59 68 77 86 95 104

Temperature (°F)

1044_M_I

Resistance (kn )

1Coil sensor (PBC-41E)

40

35

30

25

20

15

10

5

0

–4 5 14 23 32 41 50 59 68

Temperature (°F) 1045_M_I

SM830078

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