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S-DV990SW

28

1

2

3

4

1

2

3

4

C

D

F

A

B

E

 

4.3  POWER ASSY

4

3

2

1

4

3

2

1

4

3

2

1

4

1

4

3

1

23

1

7

1

A

B

C

OPEN SIDE

OPEN SIDE

OPEN SIDE

4

1

7

1

1

23

1

ATTENTION

1

+6AC

+6AC

GND

VL

VL

VH

VH

-REPLACE FUSE

CAUTION

RISK OF FIRE

7

1

 REFERENCE 491005

DE CHEZ LITTELFUSE INC.

IC3051 N'UTILISER QUE LA

BY LITTELFUSE INC.

#491005 FOR IC3051 MFD.

REPLACE WITH SAME TYPE 

CAUTION

EN CAS REMPLACEMENT DES FUSIBLES

IC3054

IC3053

BOND

BOND

BOND

BOND

BOND

BOND

BOND

BOND

IC31

IC32

IC11

IC12

VL+

VL-

VR+12

VH+

VH-

VH-

VH+

VL-

VL+

VH+

VL+

VL-

VH-

GNDP

GNDS

GNDAC

VP+12

GNDA

GNDREG

GNDF

UN+8

WORD SURFACE

FU4

BOND

AS MARKED.

NE M PF2

I

H

4700 u / 35

2200 u / 50

6800u/25

C42

D41

IC41

KN3001

D32

C37

C34

IC33

C33

D31

C19

C17

C18

C16

R11

D11

C15

C3603

C3602

C3601

R3602

D3603

D3601

CN42

D3602

CN11

CN3052

C13

C14

C11

C12

C31

C32

R31

C41

C35

Q3606

Q3608

W249

W259

W365

H42

W280

W262

W360

W282

W305

W300

W283

W263

W281

W224

W303

W248

W233

W260

W261

W267

W266

W264

W265

W304

W234

W285

W301

W287

0

9

W366

W284

W286

W291

W302

W292

W363

W354

W235

W364

W236

W250

W232

W216

W353

W376

W246

W320

W322

W324

W323

W321

H41

W362

W380

CN3053

W379

IC3051

IC3052

SIDE A

D

POWER ASSY

D

CN3703

A

To Power Transformer

CN3052

CN11

CN51

E

CN3053

B

IC41

IC33

Q3606

Q36

IC3051

IC3052

www. xiaoyu163. com

QQ 376315150

9

9

2

8

9

4

2

9

8

TEL 13942296513

9

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

Q

TEL  13942296513  QQ  376315150  892498299 

TEL  13942296513  QQ  376315150  892498299 

http://www.xiaoyu163.com

http://www.xiaoyu163.com

Summary of Contents for S-DV990SW

Page 1: ...W MYXJI AC220 230V S DV990SW NVXJI AC230V This product does not finction properly when independent to avoid malfunctions be sure to connect it to the prescribed system component s otherwise damage may result Component System Service Manual Remarks XV DV990 RRV2792 S DV990SW RRV2806 RRV2811 S DV990ST DVD CD TUNER POWERED SUBWOOFER SPEAKER SYSTEM This manual For details refer to Important symbols fo...

Page 2: ...ing replacement components rated for voltage wattage etc Replacement parts which have these special safety characteristics are identified in this Service Manual Electrical components having such features are identified by marking with a on the schematics and on the parts list in this Service Manual The use of a substitute replacement component which does not have the same safety characteristics as...

Page 3: ...ances But improper lubrication or applying glue may lead to failures or troubles in the product By following the instructions in this manual be sure to apply the prescribed grease or glue to proper portions by the appropriate amount For replacement parts or tools the prescribed ones should be used 4 Shipping mode and shipping screws To protect the product from damages or failures that may be cause...

Page 4: ... 3 4 POWER ASSY 18 3 5 PRIMARY ASSY 20 4 PCB CONNECTION DIAGRAM 22 4 1 AF and TRADE 1 ASSY 22 4 2 6CH AMP ASSY 26 4 3 POWER ASSY 28 4 4 PRIMARY ASSY 32 5 PCB PARTS LIST 34 6 ADJUSTMENT 36 7 GENERAL INFORMATION 37 7 1 DIAGNOSIS 37 7 1 1 PROTECTION CIRCUIT 37 7 1 2 DISASSEMBLY 39 7 2 IC 41 7 3 CLEANING 41 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6...

Page 5: ...ype Bass reflex floor type antimagnetic Speaker 18 cm cone type Nominal impedence 6 Ω Frequency range 25 2300 Hz Max input 75 W JEITA Dimensions 192 W x 436 D x 395 H cm Weight 12 5 kg Specifications and design subject to possible modification without notice due to improvements http getMANUAL com www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q ...

Page 6: ...f identical designation Screws adjacent to mark on product are used for disassembly For the applying amount of lubricants or glue follow the instructions in this manual In the case of no amount instructions apply as you think it appropriate NOTES 19 22 20 15 1 2 15 2 2 POWERED SUBWOOFER FAN COVER 18 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3...

Page 7: ...otector SHB1097 19 Protection Sheet SHC1790 20 Packing Case See Contrast table 2 21 22 Poly Bag S6 SHL1292 Mark No Description Part No Mark No Symbol and Description S DV990SW MYXJI S DV990SW NVXJI 20 Packing Case SHG2491 SHG2506 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 37631515...

Page 8: ... DIAGRAM 1 5 6 8 9 10 11 12 13 14 21 15 22 20 3 4 7 16 20 17 18 25 25 2 19 26 24 16 5 23 5 23 9 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 9: ...8 NSP 13 Acoustic Absorbent SMV2079 NSP 14 Mesh SNC1188 NSP 15 Cosmetic Board SNK2673 NSP 16 Cosmetic Baffle SNK2672 17 Speaker T16EU92 18 Screw BPZ40P120FZB 19 Screw BPZ35P080FZB 20 Screw BYC40P160FZB 21 Screw BYC40P200FZB 22 Washer WA43F090M080 NSP 23 Gasket SEC1735 NSP 24 Gasket SEC1736 25 Acoustic Absorbent SMT1216 26 Acoustic Absorbent SMT1217 Mark No Description Part No Mark No Symbol and De...

Page 10: ...10 25 25 25 11 4 B 6 7 28 30 31 31 31 32 32 12 20 33 33 35 34 34 34 34 34 34 34 34 34 24 24 24 24 24 24 24 24 24 24 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 11: ...C7427 18 Wood Base AMM7008 NSP 19 PCB Mould AMR1525 20 Rocking Card Spacer ONK1035 NSP 21 SP Label AAX7956 NSP 22 Serial Paper RRW 168 23 Screw SBA1061 24 Screw BBZ30P080FMC 25 Screw BBZ30P200FMC 26 Screw BYC40P140FMC 27 Screw PSC30P080FNI NSP 28 AMP MODULE 6CH AXQ7242 29 6CH AMP ASSY AWM7720 30 DC Fan Motor AXM7025 31 FET Bracket ANG7418 32 Fan Plate ANG7462 33 Heat Sink ANH7166 34 Screw BBZ30P14...

Page 12: ...3103 1 2 BA4558F IC3104 2 2 BA4558F 6 3 2 3 2 IC3104 1 2 BA4558F 5 6 7 IC3103 2 2 BA4558F 5 6 7 IC3004 1 2 BA4558F IC3003 1 2 BA4558F IC3004 2 2 BA4558F 2 3 2 1 5 6 SWN SWP SLN SLP 7 IC3102 1 2 BA4558F 7 1 1 5 6 7 AF ASSY AWU8098 A TRADE 1 ASSY AWU8028 B IC3001 M62446AFP www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 37631...

Page 13: ...1 E D51 RY51 2 2 Note When ordering service parts be sure to refer to EXPLODED VIEWS and PARTS LIST or PCB PARTS LIST www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 14: ...L ROUTE SW ch AUDIO SIGNAL ROUTE FL FL FL FL FL FL FL FL SW SW C SL SL SL SL SL SL FL FL FL SL C C C C C SW SW SW SW SW SW C SL www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 15: ...N3002 C CN3051 D CN3054 D SL SL SL SW C SL SW SW FL FL SW SW SL SL C C SW FL SL C FL FL FL FL FL C C SW SW SW SW SW SW TRADE 1 ASSY AWU8028 B To Speaker The power supply is shown with the marked box http getMANUAL com www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 ...

Page 16: ...CN3001 CN3002 to FAN Motor SL FL SW C SL FL SW C C CN3705 A CN3704 A www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 17: ...TE SW ch AUDIO SIGNAL ROUTE C FL SW SL C Refer to 7 1 1 PROTECTION CIRCUIT The power supply is shown with the marked box www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 18: ...3V 39 21V 25 513V CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO 491005 MFD BY LITTELFUSE INK FOR IC3051 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 19: ...TE SW ch AUDIO SIGNAL ROUTE To Speaker The power supply is shown with the marked box NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE WITH SAME TYPE AND RATINGS ONLY CAUTION www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiao...

Page 20: ...SY E CN3053 D CN11 D 11 619V www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 21: ...MARY ASSY AWU8001 E www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 22: ...W204 W144 W125 W205 W170 W143 W200 W201 W194 W191 W174 W357 CN3704 W117 W173 C3128 C3129 W176 W343 W122 W118 W116 W341 W135 W136 W141 W140 W139 W119 W313 W190 W317 W340 W337 W375 W334 W335 W339 W358 W359 SIDE A A CN3052 D AF ASSY A CN3703 C NOTE FOR PCB DIAGRAMS 1 Part numbers in PCB diagrams match those in the schematic diagrams 2 A comparison between the main parts of PCB and schematic diagrams ...

Page 23: ...RP 5 SWP FRN CP SRN 10 SRP SLN CN SLP GNDD VD 5 GNDA VA 12 VP 8 VP 8 GNDD GNDA GNDD EVOL IN EVOL IN EVOL IN EVOL IN EVOL IN EVOL IN EVOL OUT E EVOL OUT 23 J3705 C3004 C3009 C3010 C3015 C3016 C3021 C3032 C3003 R3036 R3035 C3022 CN3701 C3 C3017 CN3702 CN3705 C3019 C3020 C3043 C3045 CN3601 W148 W160 W184 W131 W183 W155 C3048 W154 W156 W162 W157 W130 W180 W151 W182 W150 W153 W146 W145 W129 W147 W177 W...

Page 24: ...23 R3042 R3043 R3044 C3036 C3034 C3035 C3117 R3126 R3122 R3121 C3115 C3116 R3 R3112 R3018 R3014 R3016 R3012 R3017 R3013 R3015 R3011 C3008 C3007 C3014 R3028 R3024 R3026 R3022 C3013 R3027 R3025 R3023 R3021 C3024 C3033 C3031 R3030 R3019 R3020 R3010 R3009 R3029 C3 R3007 IC3002 IC3003 IC3004 R3095 R3097 R3098 R3094 R3096 C3029 C3028 C3025 C3026 C3030 C3027 R3089 R3090 C3039 C3040 C3041 R3566 C3570 C356...

Page 25: ...R3127 R3109 R3107 R3110 R3108 R3117 R3119 R3124 R3125 R3118 R3120 R3081 R3082 R3142 R3138 R3140 R3136 R3134 R3133 R3135 IC3104 R3132 R3143 R3141 R3139 R3137 R3033 R3032 R3031 R3085 R3084 R3083 R3130 R3131 R3129 C3123 R3086 R3087 R3034 Q3006 Q3001 Q3003 Q3002 Q3007 Q3008 Q3009 Q3081 Q3005 Q3004 Q3101 Q3102 R3046 R3045 C3132 R3158 R3128 R3157 C3133 R3155 R3160 R3144 R3145 R3146 R3147 Q3103 C3131 R31...

Page 26: ... W151 W158 W105 W125 W145 W148 W147 D3323 W172 W171 W107 W173 IC81 C3301 D82 C3652 C3651 D3655 W106 W109 W110 W108 W119 C3508 R3657 Q3654 W192 W122 C3653 W161 W195 W196 W194 W160 CN3002 IC3301 W190 W169 IC3401 W168 D3427 D3428 D3422 W187 W162 D3423 R3519 D3421 W167 R3517 W188 W166 R3417 W163 W150 C3323 C3307 W144 W193 W146 W127 D3426 R3422 R3420 R3419 W191 W197 R3418 W164 D 3 3 9 1 W129 C3408 C350...

Page 27: ...305 R3316 R3305 C3303 R3309 R3532 R3537 R3533 D106 R3543 R3539 R3432 R3438 R3434 R3591 R3424 R3538 R3575 R3451 R3534 R3544 R3540 R3592 D3382 C3506 C3406 Q101 Q102 Q104 Q103 C61 C3505 R3406 R3311 R3312 C3309 R3408 C3404 C71 R3351 C62 R3410 D3343 R109 R67 D102 R65 R3510 R3508 Q63 Q3431 R3431 R3437 R3433 C3405 R3407 R3423 Q3434 R101 Q3501 Q3533 R3391 R3405 Q3401 R3392 C3403 C3510 Q3333 Q3334 R3409 R6...

Page 28: ...25 C42 D41 IC41 KN3001 D32 C37 C34 IC33 C33 D31 C19 C17 C18 C16 R11 D11 C15 C3603 C3602 C3601 R3602 D3603 D3601 C N 4 2 D3602 CN11 CN3052 C13 C14 C11 C12 C31 C32 R31 C41 C35 Q3606 Q3608 W249 W259 W365 H42 W280 W262 W360 W282 W305 W300 W283 W263 W281 W224 W303 W248 W233 W260 W261 W267 W266 W264 W265 W304 W234 W285 W301 W287 0 9 W366 W284 W286 W291 W302 W292 W363 W354 W235 W364 W236 W250 W232 W216 W...

Page 29: ... RY3461 Q3606 Q3608 Q3614 W271 W374 R3621 W306 W307 W308 W229 W285 W241 W269 W254 W270 W287 W290 W293 W268 W294 W289 W288 W275 W252 W272 W251 W273 W291 W219 W217 W292 W237 W235 W228 W236 W231 W239 W218 W230 W276 W297 W298 W310 W309 W253 W311 W242 W243 W244 W255 W355 W312 W278 W257 W279 W277 W353 W274 D3606 W226 W245 W315 W314 CN3054 CN3051 I C 3 0 5 1 IC3052 SIDE A ANP7432 D D CN3706 B CN3054 CN37...

Page 30: ...464 R3458 R3454 R3455 R3456 C3470 C3461 C3463 R3453 C3469 R3463 R3457 C3367 C3368 R3364 R3358 D3351 D3352 R3356 R3355 R3365 C3365 R3366 C3366 C3362 C3364 R3354 C3370 C3369 C3363 C3361 R3363 R3357 R3353 R3601 R3610 R3609 R3607 D3605 Q3351 Q3352 Q3451 Q3452 Q3551 Q3552 Q3601 Q3603 Q3607 Q3609 Q3602 Q3604 Q3605 Q3612 Q3610 Q3615 Q3613 Q3611 D3452 D3552 D3551 D3353 D3354 D3453 D3454 D3553 D3554 D3561 ...

Page 31: ...MUTE RYF 15 GND GNDA 1 CN3052 CN3053 C36 C21 C22 C23 C20 C3301 C3302 C3304 C3303 R3301 R3699 C38 R3052 R3051 SIDE B ANP7432 D D CN3052 CN11 CN3053 607 Q3609 04 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 32: ... C1 C2 C52 C3 L1 H2 H1 H3 H4 H6 H5 CN2 CN1 KN2 S101 S102 Q51 RY51 D52 W371 W115 W188 W377 CN51 W101 W114 T2 W133 W211 W134 W164 W163 W369 W187 W166 W332 W102 W215 W214 W212 W213 W222 W185 W223 W186 W368 W220 W221 W210 W165 W331 W348 W349 W347 W350 W370 W373 W372 SIDE A SIDE A E E ANP7432 D PRIMARY ASSY E To Power Transformer T1 CN1 AC IN AN1 CN3053 D CN51 Q51 NEUTRAL LIVE www xiaoyu163 com QQ37631...

Page 33: ...AR UN AND RATINGS OF FUSE REPLACE WITH SAME TYPE ATTENTION NEUTRAL LIVE CN51 CN1 CN2 8 7 AWU 110 120V 220 230V 240V 110 120V 220 230V 240V D51 R53 R52 D54 R55 R54 Q52 R51 D55 D53 SIDE B SIDE B E E ANP7432 D PRIMARY ASSY E CN1 AN1 CN51 Q52 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ...

Page 34: ...L100M16 C3015 C3016 C3019 C3020 C3043 CEAL100M16 C3045 CEAL100M16 C3032 CEAL101M6R3 C3021 C3022 CEAL221M10 C3048 CEAL470M16 C3037 C3121 C3122 CEAT100M50 C3081 C3082 CEAT220M50 C3038 C3047 C3107 C3108 CEAT470M25 C3118 C3119 CFTLA224J50 C3001 C3002 C3007 C3008 CKSRYB103K50 C3013 C3014 C3025 C3028 C3031 CKSRYB103K50 C3105 C3106 C3113 C3114 C3117 CKSRYB103K50 C3120 CKSRYB103K50 C3023 C3024 CKSRYB104K2...

Page 35: ...1 4PU330J Mark No Description Part No R96 R97 RS1 16S1002F R3323 R3324 R3351 R3423 R3424 RS1 16S1R0J R3451 RS1 16S1R0J R67 R68 RS1 16S2201F R94 R95 RS1 16S2701F R62 RS1 16S330J R65 RS1 16S4700F R47 R48 RS1 16S4701F Other Resistors RS1 16S J OTHERS CN3001 CN3002 23P PLUG AKP7064 CN3651 PLUG 2P KM200SA2 DPOWER ASSY AWU8097 SEMICONDUCTORS IC3051 PROTECTOR 5A AEK7046 IC33 NJM7812FA Q3351 Q3352 Q3451 Q...

Page 36: ... 1SS355 D51 S1WB A 60SD D55 UDZS20B COILS AND FILTERS L1 LINE FILTER ATF7018 TRANSFORMERS T2 POWER TRANSFORMER ATT7078 CAPACITORS C1 C2 0 022F AC275V ACE7022 C3 1000pF AC250V ACG7033 C52 CEAT102M25 RESISTORS All Resistors RS1 16S J OTHERS CN51 7P SOCKET AKP7067 H1 H2 FUSE CLIP AKR7001 RY51 RELAY ASR7027 CN1 CONNECTOR B2P3S VH AN1 AC INLET 1P XKP3041 Mark No Description Part No There is no informat...

Page 37: ...VD 5 R108 27k D104 1SS355 Q106 DTC124EUA Q107 DTA124EUA VP 8 In Normal mode as Q101 Q103 E2 B2 C2 and Q102 Q104 E2 B2 C2 are on the voltage at Point A is about 5 V The voltage at Point B is therefore about the same As Q101 Q103 E C B is off Q102 Q104 E C B is also off 1 When VH VP 15 is short circuited to GND As the voltage at Point B becomes almost ground potential and Q101 Q103 E C B then Q102 Q...

Page 38: ... Normal mode both Q3605 and Q3604 are off 1 When positive DC voltage is generated at the SP terminal When positive DC voltage is generated at the L or R channel and VB of Q3605 becomes higher than that at the operation point Q3606 E C B is turned on and the level of XPROTECT becomes low The microcomputer detects the XPROTECT level and shuts the power to the unit off 2 When negative DC voltage was ...

Page 39: ...s 2 To detach it unfasten those screws 2 When attaching it face its terminal upward 3 Removing the Cosmetic Baffle 1 The cosmetic baffie is attached to the baffle by press fitting To detach it pry it open by inserting a flat blade screwdriver into lower side 4 Removing the Cosmetic Duct 1 The cosmetic baffle those screws are removed when removing the cosmetic duct attached in cosmetic baffle with ...

Page 40: ...le GGD1315 POWER Assy PRIMARY Assy AF Assy Diagnosis AMP MODULE 6CH www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 41: ...e list is basic information and may not correspond exactly to that shown in the schematic diagrams Before shipping out the product be sure to clean the following positions by using the prescribed cleaning tools Position to be cleaned Cleaning tools Fans Cleaning paper GED 008 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ ...

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