SR-DF101WTQ, SR-DF181 - Panasonic Home Appliance Service Manual (repair manual). Page 14

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19
8  Inspection method of components on control board
RL
Relay
Inspection method
Qualifi ed Defective
Connect TP[G]-[RL1], 
and check if the power 
c o n s u m p t i o n   i s   t h e 
rated cooking power.
Yes
No
Unplug the power and 
check if the resistance 
between TP [A1] and 
[RL5] is 
∞ Ω?
N o t e   1 :   D i s c o n n e c t 
t h e   c o n n e c t o r   C N 3 
before measuring the 
resistance.
Note 2: Connect one 
end of TP [A1] to the 
positive terminal.
Yes
No
LED5
LED
Detection 
method
Qualifi ed Defective
If LED5 lights up 
when it is short-
circuited between 
TP [G] and [L5]?
Yes
No
X1
Crystal
Detection 
method
Qualifi ed Defective
Output 8 MHZ 
between TP 
[G] and [X1]?
Yes
No
LED4
LED
Detection 
method
Qualifi ed
Defective
If LED4 lights 
up when it is 
short-circuited 
b e t w e e n   T P 
[G] and [L4]?
Yes
No
SW2
Tact switch
Detection 
method
Qualifi ed
Defective
H o l d   d o w n 
S W 2   a n d 
m e a s u r e   i f 
the resistance 
between TP 
[VD] and [S2] 
is 0 
Ω?
Yes
No
LED3
LED
Detection 
method
Qualifi ed Defective
If LED3 lights 
up when it is 
short-circuited 
b e t w e e n   T P 
[G] and [L3]?
Yes
No
SW4
Tact switch
Detection 
method
Qualifi ed Defective
H o l d   d o w n 
S W 4   a n d 
m e a s u r e   i f 
the resistance 
b e t w e e n   T P 
[VD] and [S4] 
is 0 
Ω?
Yes
No
SW1
Tact switch
Detection 
method
Qualifi ed Defective
H o l d   d o w n 
S W 1   a n d 
m e a s u r e   i f 
the resistance 
b e t w e e n   T P 
[VD] and [S1] 
is 0 
Ω?
Yes
No
SW3
Tact switch
Detection 
method
Qualifi ed Defective
H o l d   d o w n 
S W 3   a n d 
m e a s u r e   i f 
the resistance 
b e t w e e n   T P 
[VD] and [S3] 
is 0 
Ω?
Yes
No
LED1
LED
Detection 
method
Qualifi ed Defective
If LED1 lights 
up when it is 
short-circuited 
between TP [G] 
and [L1]?
Yes
No
LED2
LED
Detection 
method
Qualifi ed Defective
If LED2 lights 
up when it is 
short-circuited 
between TP [G] 
and [L2]?
Yes
No
SW5
Tact switch
Detection method Qualifi ed Defective
H o l d   d o w n   S W 5 
and measure if the 
resistance between 
TP [VD] and [S5] is 
Ω?
Yes
No
SW6
Tact switch
Detection method
Qualifi ed
Defective
H o l d   d o w n   S W 6 
and measure if the 
resistance between 
TP [VD] and [S6] is 
Ω?
Yes
No
IP3830_SR-DF101_Eng_19_121224.in章节1:19   章节1:19
2012-12-24   17:19:43
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