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VHSO205SS

Figure S-2. Power Unitl Circuit

A-8

A-6

A-3

C-1

C-2

C-3

C-4

D-9

E-3

B-2

B-1

G5NB-1A DC24V

E-1

A-1

D-3

D-5

E-5

A-4

G-3

G-4

G-6

B-3

B-4

A-2

H-6

G-1

DU24D1-1P(M)-R

B-6

B-5

H-2

H-5

H-4

H-3

H-1

H-7

H-8

H-9

G-7

H-10

H-11

H-12

VEE

INT

TURN
OVER

DU24D1-1P(M)-R

COM

SIDE

HEATER

TOP

HEATER

MICRO

OTH

DOOR(B)

DOOR(A)

DUMPER

FAN

MOTOR

DAMPER

MOTOR

JET

MOTOR

D20

D21

RY1

RY2

RY3

RY4

RY5

RY6

DOOR

DUMPER

OTH

SIDE

HEATER

TOP

HEATER

SSR

TURN
OVER

FAN

MOTOR

DAMPER

MOTOR

JET

MOTOR

AC240V/60HZ

Q19

MICRO

OL..TTM

6.8 1W

DTD143ES

G5SB-14 DC24V

D1-D4 1N4002L x4

RTRNPA002WRZZ

D-1

(J1)

(J2)

D-7

DTA143ES

C50

0.01u/50V

C51

0.01u/50V

KIA79L05P

R5 300

G5NB-1A DC24V

(D16)

(D17)

(D18)

(R16)

(R17)

(R18)

(G-2)

G-5

COM

Содержание Professional VHSO205SS

Страница 1: ...RING SERVICE TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY INSIDE FRONT COVER BEFORE SERVICING INSIDE FRONT COVER WARNING TO SERVICE PERSONNEL 3 MICROWAVE MEASUREMENT PROCEDURE 4 FOREWORD A...

Страница 2: ...tion and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the owner e A microwave leakage check to verify compliance w...

Страница 3: ...e high voltage rectifier against the chassis with the use of an insulated screwdriver Whenever troubleshooting is performed the power supply must be disconnected It may in some cases be necessary to c...

Страница 4: ...ially at 20 5 C 68 F in the center of the oven cavity The water container shall be a low form of 600 ml 20 oz beaker with an inside diameter of approx 8 5 cm 3 1 2 in and made of an electrically nonco...

Страница 5: ...s not deformed or warped E There is not any other visible damage with the oven Servicing and repair work must be carried out only by trained service personnel DANGER Certaininitialpartsareintentionall...

Страница 6: ...of Full Power 0 PERCENT No power throughout the cooking time Convection Temperature for Variable Cooking CONVECTION 100 450 F Temp control CUSTOM HELP pad Add a Minute pad SPEED GRILL pad SPEED ROAST...

Страница 7: ...e down and forward Never hold the door handle when moving the oven 2 Oven door with see through window 3 Safety door latches The oven will not operate unless the door is securely closed 4 Door hinges...

Страница 8: ...ensing switch relay RY1 the primary interlock relay RY2 and the secondary interlock switch are activated with the following results The circuits to the turntable motor the cooling fan motor and the hi...

Страница 9: ...4 NOTE When Preheat and Convection isprogrammed continuously afterpreheat theheatingelements operate as follows When one of 100 F to 375 F is selected for the first 1 minute the top and side heating e...

Страница 10: ...s after the thermistor is cut off the LSI turns on the convection fan for three 3 seconds 3 The above procedure is repeated If the difference between the first voltage measured in step 1 and the volta...

Страница 11: ...RG BRN ORG BRN RED BLK ORG BLK ORG BLK ORG RED RED RED ORG ORG ORG BLK RED GRY WHT GRY BLK GRY GRY GRY WHT GRY WHT GRY GRY WHT GRY WHT GRY WHT WHT RED BLU GRY WHT WHT GRY N O COM GRY BLK GRN RED BRN Y...

Страница 12: ...Y GRY WHT GRY WHT GRY GRY WHT GRY WHT GRY WHT WHT RED BLU GRY WHT WHT GRY N O COM GRY BLK GRN RED BRN YLW BLU ORG BLU RED GRN BLK BRN GRN WHT GRN GRN WHT WHT A4 FUSE1 2 5A BLK WHT L L NOISE SUPRESSION...

Страница 13: ...at 311 F 155 C SIDE HEATER THERMAL CUT OUT The thermal cut out located on the thermal cover left is designed to prevent damage to the side heating element unit if an over heated condition develops in...

Страница 14: ...provided on the top and left sides of the oven Next the hot air heats the food on the turntable and leaves the oven cavity through the vent in the center of the oven cavity back side wall Without leav...

Страница 15: ...nts during testing 5 Reinstall the outer case cabinet and theback plate operation is selected by the control unit Microwave Cooking Damper is in the open position because a portion of cool ing air is...

Страница 16: ...s not go into cook cycle when START pad is touched Heating elements do not heat Temperature in the oven cavity is lower or higher than preset Convection cycle runs for 10 minutes then shuts down Conve...

Страница 17: ...onds measuring with a stop watch second hand of a watch or the digital read out countdown 3 Remove the cup from the oven and again measure the temperature making sure to stir the thermometer or thermo...

Страница 18: ...testing 7 Reinstall the outer case cabinet 8 Reconnect the power supply cord after the outer case is installed 9 Run the oven and check all functions TEST PROCEDURES PROCEDURE LETTER COMPONENT TEST D...

Страница 19: ...4 If the monitor fuse is blown when the door is opened check the primary interlock relay secondary interlock switch and monitor switch according to the TEST PROCEDURE for those switches before replac...

Страница 20: ...the oven and check all functions CAUTION IFTHE temperature fuse INDICATESANOPENCIRCUITATROOMTEMPERATURE REPLACE temperature fuse K THERMAL CUT OUT TOP HEATER TEST 1 Disconnect the power supply cord an...

Страница 21: ...out has opened under normal condition replace the same item as in the parts list An open thermal cut out indicates overheating of the side heating element unit Check for restricted air flow to the si...

Страница 22: ...9 Reconnect the power cord into the wall receptacle 10 If 240 volts A C is indicated at the wire leads replace the motor and if 240 volts A C is not indicated check the wire harness and control unit...

Страница 23: ...red wires or across the black and the white wires should be above resistance unless the temperature of the thermal cut out reaches approximately 266 F 130 C The thermal cut out resets automatically a...

Страница 24: ...ll leads removed from components during testing 6 Re install the outer case cabinet 7 Reconnect the power supply cord after the outer case is installed 8 Run the oven and check all functions 2 Control...

Страница 25: ...l unit with an A C voltmeter The meter should indicate 240 volts if not check oven circuit Shut off Cook and Heater Relays Test These relays are operated by D C voltage Check voltage at the relay coil...

Страница 26: ...k it open 3 Discharge high voltage capacitor 4 Disconnect the leads to the primary of the power transformer 5 Ensure that these leads remain isolated from other components and oven chassis by using in...

Страница 27: ...OINT INDICATION OF OHM METER Between N and H Open Circuit Between terminal N and GRY Short Circuit Between terminal H and RED Short Circuit If incorrect readings are obtained replace the noise filter...

Страница 28: ...s shown in the touch control panel circuit 1 Backlight LED function 2 LED function 3 KEY function TOUCH CONTROL PANEL DIAGRAM PREHEAT GRILL ROAST MIN PLUS TMR CLOCK STOP 7 PLUS 6 0 5 9 3 2 CONVECT REC...

Страница 29: ...IES MINUS POULTRY DESSERTS HELP MEATS START GRILL ROAST PREHEAT BREADS BAKE REHEAT DEFROST COMPUCOOK PIZZAS BASIC COOK PWR LEVEL PLUS STOP MIN PLUS SNACKS POPCORN RECIPES CONVECT ENTER SEAFOOD TMR CLO...

Страница 30: ...30 VHSO205SS 8 9 10 11 3 4 1 2 12 13 5 6 HELP CONVECT STOP START DEFROST 9 4 3 8 MINUS 1 6 GRILL BAKE POPCORN BASIC COOK PLUS PREHEAT COOK RECIPES ADD MIN 0 5 7 2 ROAST REHEAT ENTER KEY FUNCTION...

Страница 31: ...the lead wires are not twisted 3 After aluminium foil is removed be careful that abnormal voltage due to static electricity etc is not applied to the input or output terminals 4 Attach connectors elec...

Страница 32: ...melting point of lead free solder Sn Ag Cu is about 220 C which is higher than the conventional lead solder by 40 C and as it has poor solder wettability you may be apt to keep the soldering bit in co...

Страница 33: ...Oven cavity and Heating element WARNING FOR WIRING 2 Make sure that a definite click can be heard when the microwave oven door is unlatched Pull down the door handleinaclosedpositionwithonehand thenpu...

Страница 34: ...6 Disconnect the black wire of the power supply cord from the fuse holder and the white wire from the main wire harness 7 Nip the cord bushing with bushing pliers and release it from the hole of the...

Страница 35: ...age rectifier assembly to the capacitor holder 10 Disconnect the high voltage rectifier assembly from the high voltage capacitor 11 Now the high voltage rectifier assembly is free and also the high vo...

Страница 36: ...Disconnect the power supply cord 2 Remove the outer case cabinet referring to OUTER CASE CABINET REMOVAL 3 Open the oven door and block it open 4 Discharge the high voltage capacitor 5 Remove the back...

Страница 37: ...ngtheconvectionmotor mounting angle to the convection duct 9 Remove the six 6 screws holding the convection motor to the convection motor mounting angle 10 Remove theconvectionmotor from theconvection...

Страница 38: ...each one 1 screw holding the latch hook right and the latch hook left to the oven cavity front plate 6 Withdoorclosed adjustthelatchhookrightandthelatch hook left by moving them back and forth and up...

Страница 39: ...and the door latch heads pass through the latch holes correctly 3 Tighten the screws holding the oven hinge right and the oven hinge left to the bottom plate After adjustment make sure of the followi...

Страница 40: ...A to the door frame 29 Remove the two 2 glass mounting angles A from the door frame 30 To release the two 2 tabs holding the lower end of the front door glass slide the front door glass upward 31 Rele...

Страница 41: ...T WHT GRY CN G CN F RED RED R E D R E D R E D R E D B L K B L K R E D R E D B L K R E D O R G O R G B R N DOOR SENSING SWITCH G R N G R N BRN RED BLK GRN COM N C BLK ORG RED BLU RED 8 7 6 5 4 3 2 1 BL...

Страница 42: ...VS BZ TURN OVER DU24D1 1P M R COM SIDE HEATER TOP HEATER MICRO OTH DOOR B DOOR A DUMPER SW FAN MOTOR DAMPER MOTOR JET MOTOR D1 D2 D3 D4 R6 D20 D21 RY1 RY2 RY3 RY4 RY5 RY6 DOOR SW DUMPER SW OTH SIDE HE...

Страница 43: ...43 VHSO205SS 6 4 5 1 2 3 6 4 5 1 2 3 A B C D E F G H A B C D E F G H Figure S 3 CPU Unit Circuit SP1 R10 3 3K R11 1 5K BZ...

Страница 44: ...r 1 CABINET PARTS 25 GCABDA104WRPZ Back plate 1 26 GDAI A356WRWZ Bottom plate 1 27 GLEGPA092WREZ Leg 2 28 GCABUA976WRPZ Outer case cabinet 1 CONTROL PANEL PARTS 29 DPWBFB151MRU0 Power unit located on...

Страница 45: ...VPA389WREZ Edge cover 3 93 PCUSUA614WREZ Cushion 1 94 PCUSUA609WREZ Cushion 1 95 PCUSUA610WREZ Cushion 1 96 PCUSUA611WREZ Cushion 1 97 PCUSUA612WREZ Cushion 1 98 PCUSUA613WREZ Cushion 1 99 LANGQA581WR...

Страница 46: ...S740P06000 Screw 4 mm x 6 mm 6 144 XHPS740P08K00 Screw 4 mm x 8 mm 12 145 XHTS740P08RV0 Screw 4mm x 8mm 4 146 XOPS740P08000 Screw 4mm x 8mm 4 147 XOTS740P08000 Screw 4mm x 8mm 5 148 XOTS740P12000 Scre...

Страница 47: ...42 148 154 4 67 84 12 1 142 13 129 20 x2 153 64 42 153 148 71 91 x2 x4 120 154 142 40 43 76 119 144 148 70 148 27 27 61 26 148 148 158 15 96 148 79 144 73 61 83 83 81 78 142 x3 144 148 85 148 148 55 1...

Страница 48: ...VHSO205SS 6 4 5 1 2 3 6 4 5 1 2 3 A B C D E F G H A B C D E F G H CONTROL PANEL PARTS DOOR PARTS 30 31 104 113 109 116 108 112 104 110 116 110 111 115 111 115 114 106 103 105 107 102 131 139 x2 x2 30...

Страница 49: ...AD DOOR PROTECTION SHEET PLASTIC BAG TRAY HOLDER 121 SPLASH GUARD 117 HIGH RACK 118 LOW RACK Not replaceable items PACKING CASE Actual wire harness may be different than illustration 117 132 128 134 1...

Страница 50: ...50 VHSO205SS NOTES...

Страница 51: ...51 VHSO205SS NOTES...

Страница 52: ...l system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher COPYRIGHT 2006 BY VIKING ALL RIGHTS RESE...

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