Panasonic NN-SD38HSZPE / NN-SD36HBZPE Service Manual ▷ View online
7.4. Simple way of H.V. Inverter/magnetron troubleshooting
Purpose:
Simple way (3/23 seconds rule) of identifying whether it’s Magnetron, Inverter, or others.
Set-up:
The unit under question is connected through the Ammeter as shown below.
Procedure:
Follow the matrix table below to identify the problem source.
Note:
Do not replace both Inverter board and Magnetron simultaneously and automatically without going through this
procedure.
procedure.
Power will:
Ammeter reading is:
To do:
Remedy:
Shut off in 23 seconds
after “Start”.
after “Start”.
1. Between 0.5A and 1.0A.
Check and repair open magnetron circuit Open magnetron wiring between Inverter
and magnetron terminal.
2. Between 1.0A and 2.0A.
Check continuity of D702 in Inverter PCB.
1. D702 shorted
Replace H.V.Inverter
(F606YBA00QP)
(F606YBA00QP)
2. D702 is OK
Replace magnetron
Shut off in 3 seconds
after “Start”
after “Start”
1. Less than 0.5A
Check open circuit: Latch Switch, DPC,
Power Relay and CN701
Power Relay and CN701
Replace
defective
component(s),
or
correct switch, cables and connectors.
7.5. How to check the semiconductors using an OHM meter
21
NN-SD38HS / NN-SD36HB
7.6. H.V. INVERTER MAIN PARTS LIST (F606YBA00QP)
Ref. No.
Part No.
Part Name & Description
Pcs/Set
Remarks
Q701
B1JAEV000003
IGBT
1
C701
ECWHC3B104JA
FILM CAPACITOR
1
0.1µF,1000VDC
C702
ECWF4305N851
FILM CAPACITOR
1
3µF,250VDC
DB701
B0FBBQ000006
RECTIFIER BRIDGE
1
L701
F5020W100AP
CHOKE COIL
1
R702
D0CM562JA002
SAND BAR RESISTOR
1
T701
F609ABA00GP
TRANSFORMER
1
(INCLUDING D701,D702,C706,C707)
D701,D702
B0FBAZ000003
DIODE
2
C706
F0C3F562A002
FILM CAPACITOR
1
5600PF/3KV
C707
F0C3F822A002
FILM CAPACITOR
1
8200PF/3KV
22
NN-SD38HS / NN-SD36HB
8 EXPLODED VIEW AND PARTS LIST
8.1. EXPLODED VIEW
23
NN-SD38HS / NN-SD36HB
8.2. PARTS LIST
NOTE:
1. When ordering replacement part(s), please use part number(s) shown in this part list.
Do not use description of the part.
2. Important safety notice:
Components identified by
mark have special characteristics important for safety.
When replacing any of these components, use only manufacture’s specified parts.
Ref. No.
Part No.
Part Name & Description
Pcs/Set
Remarks
1
F00066W10ZP
CAUTION LABEL
1
2
F10019V00XP
BASE
1
3
F10089W40HPS
RUBBER FOOT
2
4
F1009BB10BBP
CABINET BODY
1
5
F200ABA00EP
OVEN
1
6
F20559V00XP
COVER
1
7
F21316E70XP
PULLY SHAFT
1
9
F290D9W00XP
ROLLER RING (U)
1
10
F30209V10XP
DOOR HOOK
1
12
F31369V00XP
HOOK LEVER A
1
14
F4001BW30BP
DC FAN MOTOR (U)
1
DC12V
16
F4025BA00EP
AIR GUIDE A
1
17
F4144BW30EP
ORIFICE
1
18
F612EBW30BP
D.P.CIRCUIT (HU)
1
LED LAMP INSIDE
19
F61425U30XN
MICRO SWITCH
1
(PRIMARY LATCH SWITCH)
20
F61415U30XN
MICRO SWITCH
1
(SECONDARY LATCH SWITCH)
21
F61785U30XN
MICRO SWITCH
1
(SHORT SWITCH)
22
2M236-M36U35
MAGNETRON
1
23
F606YBA00QP
H.V.INVERTER(U)
1
24
F6585BW30EP
INVERTER BRACKET
1
25
F66629W40HP
GROUNDING PLATE
1
27
F62306V60BP
FUSE
1
10A
29
F63269P00HP
TURNTABLE MOTOR
1
30
F900C9V20ZP
AC CORD W/PLUG
1
31
F61459V00XP
THERMAL CUTOUT
1
150°C OPEN, -20°C CLOSE
32
F21766S10XP
SEAL
1
33
F2034BA00EP
FRONT PLATE BRACKET
1
34
F6726BA00EP
LED COVER
1
39
F607XBW40BP
NOISE FILTER (U)
1
44
XTWFL4+12T
SCREW
2
FOR MAGNETRON
45
XTWBFE4+8D
SCREW
4
FOR CABINET BODY
46
XTWFA4+12LR
SCREW
2
FOR HINGE A
48
F30069V00XP
HINGE A
1
56
F0334BA30ZP
MENU LABEL
1
60
F0007BW40SZP
NAME PLATE
1
SD38HS
60
F0007BW30BZP
NAME PLATE
1
SD36HB
24
NN-SD38HS / NN-SD36HB
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