Pioneer S-DV900ST Service Manual Download Page 35

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S-DV900SW

R3005-R3008, R3015-R3018

RS1/16S1001F

R3025-R3028

RS1/16S1001F

R3001-R3004, R3011-R3014

RS1/16S2201F

R3021-R3024

RS1/16S2201F

Other Resistors

RS1/16S###J

OTHERS

3701 CABLE HOLDER(4P)

51052-0400

3702 CABLE HOLDER(10P)

51052-1000

CN3601 2P CONNECTOR

5569-02A1

CN3703-CN3705 23P SOCKET

AKP7075

CN3702 20P SOCKET

AKP7129

CN3701 12P CONNECTOR

AKP7131

J3701 JUMPER WIRE

D25PYY0415E

J3702 JUMPER WIRE

D25PYY1015E

PCB BINDER

VEF1040

TRADE 1 ASSY [AWU8028]

OTHERS

3703 CABLE HOLDER(4P)

51052-0400

3704 CABLE HOLDER(10P)

51052-1000

CN3707 13P SOCKET

AKP7070

CN3706 15P SOCKET

AKP7071

6CH AMP (SERVICE) [AZW7283]

SEMICONDUCTORS

IC81

NJM7805FA

IC71

NJM7912FA

IC3301, IC3401

STK402-270

Q3382, Q43

2SA1576A

Q62

2SB1237X

Q111, Q3381, Q63, Q92

2SC4081

Q61

2SD2012

Q3301, Q3302, Q3401, Q3402

2SD2114K

Q3501, Q3502, Q3504

2SD2114K

Q3654

2SD2144S

Q107, Q3653

DTA124EUA

Q3652

DTA124TK

Q106

DTC124EUA

Q3383, Q91

IRFI9Z34G

Q3384

IRFIZ34G

Q3651

RN1901

Q101, Q103

UMB1N

Q102, Q104

UMH1N

D3321-D3326

1SR139-400

D3327, D3328

1SR139-400

D3421-D3426

1SR139-400

D3427, D3428

1SR139-400

D3387, D3388, D3651-D3655

1SS133

D101, D102, D104, D3657, D42

1SS355

D3391, D3392

30PDA20-FC6

D3381, D3382, D3481, D3482

DAN217

D3581, D3582

DAN217

D3389, D3390

MTZJ10C

D98

MTZJ11B

D72

MTZJ15C

D3393, D3394

MTZJ18B/C

D63

MTZJ18C

D3385, D3386

MTZJ36A

Mark No. Description

Part No.

D82

MTZJ7.5C

D91

UDZS18B

D105, D106, D3658

UDZS7.5B

TH111

NCP18WF104J03RB

CAPACITORS

C3305, C3306, C3405, C3406

CCSRCH221J50

C3505, C3506, C62, C97

CCSRCH221J50

C3309, C3310, C3409, C3410

CCSRCJ3R0C50

C3509, C3510

CCSRCJ3R0C50

C3307, C3308, C3407, C3408, C3508

CEAL100M16

C3507

CEAL470M6R3

C72

CEAT100M50

C3651

CEAT101M25

C101, C102

CEAT1R0M50

C3323, C3324, C3423, C3424

CEAT221M50

C3167, C3168, C3178, C3179

CEAT2R2M50

C3301, C3302, C3317, C3318

CEAT2R2M50

C3401, C3402, C3501, C3502

CEAT2R2M50

C3652, C63, C82, C98

CEAT470M25

C3653

CEAT470M35

C3303, C3304, C3403, C3404

CKSRYB102K50

C3503, C3504

CKSRYB102K50

C92

CKSRYB104K16

C71, C81

CKSRYB473K50

RESISTORS

R3317-R3320, R3417-R3420

ACN7122

R3517-R3520 (0.22ohm/2W)

ACN7122

R3327, R3328, R3427, R3428

RD1/4MUF470J

R3387, R3388

RD1/4PU101J

R3657

RD1/4PU330J

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

POWER ASSY [AWU8097]

SEMICONDUCTORS

IC3051 PROTECTOR(5A)

AEK7046

IC33

NJM7812FA

Q3351, Q3352, Q3451, Q3452

2SC4081

Q3551, Q3552, Q3604, Q3605, Q3610 2SC4081
Q3612, Q3615

2SC4081

Q3614

2SD1858X

Q3606, Q3608

DTA123JS

Q3602

UN5112

Q3611, Q3613

UN511L

Q3603

UN5212

Q3601, Q3607, Q3609

UN521L

D3601-D3604, D3606

1SS133

D3351-D3354, D3361, D3451-D3454

1SS355

Mark No. Description

Part No.

Summary of Contents for S-DV900ST

Page 1: ...DV900SW THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL S AND TYPE S Model Type Power Requirement Remarks S DV900SW DAXJI AC110 120V 220 230V 240V 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 DV900 RRV2868 RRV2817 S DV900SW RRV2864 RRV...

Page 2: ...are often not evident from visual inspection nor the protection afforded by them necessarily can be obtained by using 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 S...

Page 3: ...es 5 Lubricants glues and replacement parts Appropriately applying grease or glue can maintain the product performances 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 sh...

Page 4: ...AND SCHEMATIC DIAGRAM 12 3 1 BLOCK DIAGRAM AND OVERALL CONNECTION DIAGRAM 12 3 2 AF and TRADE 1 ASSY 14 3 3 6CH AMP ASSY 16 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 37 7 GENERAL INFORMATION 38 7 1 DIAGNOSIS 38 7 1 1 PROTECTION CIRCUIT 38 7 1 2 DISASSEMBLY 4...

Page 5: ...120 V 220 230 V 240 V 50 60 Hz Power Consumption 172 W Power Consumption in standby mode 0 58 W Powered subwoofer S DV900SW Type 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 mm Weight 12 5 kg Specifications and design subject to possible modification without notice due to improveme...

Page 6: ...nt parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of 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 SUBWOOFE...

Page 7: ...6 7 8 C D F A B E PACKING parts List Mark No Description Part No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Protector SHA2379 16 17 18 Protector SHB1097 19 Protection Sheet SHC1790 20 Packing Case SHG2531 21 22 Poly Bag S6 SHL1292 ...

Page 8: ...D F A B E 2 2 PRODUCT APPEARANCE SECTION POWERD SUBWOOFER RED BLACK FOR SP RED RED BLACK BLACK IN WF CIRCUIT DIAGRAM 1 5 6 8 9 10 11 12 13 14 21 15 22 20 3 4 7 16 20 17 18 25 25 19 26 24 16 5 23 5 23 9 2 Refer to 2 3 AMPLIFIER ASSY ...

Page 9: ...MR1339 NSP 9 Cosmetic Duct SMR1356 NSP 10 Paper Tube 70 SMR1362 NSP 11 Acoustic Absorbent SMV2077 NSP 12 Acoustic Absorbent SMV2078 NSP 13 Acoustic Absorbent SMV2079 NSP 14 Mesh SNC1188 NSP 15 Cosmetic Board SNK2673 NSP 16 Cosmetic Baffle SNK2672 17 Speaker T16EU92 52D 18 Screw BPZ40P120FZB 19 Screw BPZ35P080FZB 20 Screw BYC40P160FZB 21 Screw BYC40P200FZB 22 Washer WA43F090M080 NSP 23 Gasket SEC17...

Page 10: ... B E 2 3 AMPLIFIER ASSY A A 46 37 40 42 41 29 C 2 A 8 18 9 21 36 47 24 27 24 22 17 5 23 23 26 14 15 19 13 19 1 E 3 D 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 16 24 ...

Page 11: ...on Rivet AEC7318 17 Fan Cover AEC7427 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 SERVICE AZW7283 30 DC Fan Motor AXM7025 31 FET Bracket ANG7418 32 Fan Plate ANG7462 33 ...

Page 12: ...4558F 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 6CH AMP SERVICE AZW7283 C NOTES When ordering service parts be sure to refer to EXPLODED VIEWS and PARTS LIST or PCB PARTS LIST The mark found on some component parts indicates the import...

Page 13: ...S DV900SW 13 5 6 7 8 5 6 7 8 C D F A B E POWER ASSY AWU8097 D RY3361 1 3 RY3461 1 3 RY3561 2 3 D41 D31 VH VL VH VL D11 UN 8 PRIMARY ASSY DAXJI AWU8030 E D51 RY51 2 2 ...

Page 14: ...E 3 2 AF and TRADE 1 ASSY A CN3052 D C SW C ch AUDIO SIGNAL ROUTE SL SL ch AUDIO SIGNAL ROUTE FL FL ch AUDIO SIGNAL 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 ...

Page 15: ...2 2k 2 7k 2 2k 2 7k 0 033 0 033 0 033 27k 39k 27k 2 2k 2 7k 2 2k 2 7k 2 2k 0 033 0 047 0 047 0 047 0 047 0 033 18k AF ASSY AWU8098 A B A CN3001 C CN3002 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 ...

Page 16: ...S DV900SW 16 1 2 3 4 1 2 3 4 C D F A B E 3 3 6CH AMP ASSY Non Distortion Circuit 2 3 5 CN3651 CN3001 CN3002 to FAN Motor SL FL SW C SL FL SW C C CN3705 A CN3704 A ...

Page 17: ...7 5 6 7 8 5 6 7 8 C D F A B E C SW C ch AUDIO SIGNAL ROUTE SL SL ch AUDIO SIGNAL ROUTE FL FL ch AUDIO SIGNAL ROUTE SW ch AUDIO SIGNAL ROUTE C FL SW SL C Refer to 7 1 1 PROTECTION CIRCUIT 6CH AMP SERVICE AZW7283 C ...

Page 18: ... D CN51 E CN3703 A CN3707 B CN3706 B FL C SW SW SW SL FL FL FL SW SL C SL C SW 38 43V 24 784V 14 66V 12 112V 15 883V 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 ...

Page 19: ...WU8097 D C SW C ch AUDIO SIGNAL ROUTE SL SL ch AUDIO SIGNAL ROUTE FL FL FL SL SL SL C C C C C SW SW SW SW SW FL FL FL ch AUDIO SIGNAL ROUTE SW ch AUDIO SIGNAL ROUTE To Speaker NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE WITH SAME TYPE AND RATINGS ONLY CAUTION ...

Page 20: ...S DV900SW 20 1 2 3 4 1 2 3 4 C D F A B E 3 5 PRIMARY ASSY E CN3053 D CN11 D 11 619V ...

Page 21: ...S DV900SW 21 5 6 7 8 5 6 7 8 C D F A B E E NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE WITH SAME TYPE AND RATINGS ONLY CAUTION PRIMARY ASSY DAXJI AWU8030 E ...

Page 22: ...W138 W345 W193 W351 W192 W196 8 W172 CN3703 W168 W199 W342 W171 W195 W137 80 W146 W145 W129 W356 W175 7 W203 W202 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 d...

Page 23: ...DF UN 8 UN 8 GNDREG 5 GNDREG XPROTECT TUNER VD 5 VA 12 GNDA GNDM ACPULSE 20 POW ON OFF XPROTECT NC 1 SWN FLN FLP FRP 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 CN360...

Page 24: ... 5 6 7 8 9 10 11 12 CN3701 CN3601 AWU 8 7 AWU8053 R3001 R3003 R3005 C3001 C3002 R3008 R3004 R3006 R3002 IC3001 C3023 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 IC300...

Page 25: ...16 R3123 IC3102 R3116 R3114 R3112 C3112 R3115 R3111 C3111 R3113 C3113 C3114 C3031 R3103 R3101 C3103 C3104 C3102 C3109 C3110 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...

Page 26: ...4 C3424 C91 C3317 C3578 C3423 C3422 D98 D3328 W124 C3501 D3651 D3652 W104 D3653 D3654 W121 W126 D3326 W159 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 W...

Page 27: ...4 C3504 Q3651 Q107 R108 Q106 D42 R3307 R3509 R3507 R3505 Q3532 R3492 D3482 D3481 R3491 Q3432 R3531 C3503 R3545 C3305 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 R3...

Page 28: ...NDP 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 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 W...

Page 29: ...L3462 R3452 L3461 R3461 R3451 L3362 R3362 R3352 R3361 L3361 R3351 D3601 W238 W227 D3602 CN3401 R3622 RY3361 RY3561 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...

Page 30: ...555 C3561 C3563 R3563 R3557 R3553 C3465 C3467 C3468 C3466 C3567 C3565 D3451 C3569 R3465 R3565 R3466 C3462 C3464 R3464 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 ...

Page 31: ...F UN 8 UN 8 20 GNDREG GNDREG XPROT GNDD VD 5 GND VP 3 GNDM 10 VP 12 VA 12 POWON OFF UNE 56 GNDAC 5 ACU RYR AC1 1 XMUTE 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 ...

Page 32: ...W212 W213 Except DFL YPW W214 W215 NE M PF2 Except YPW Except YPW 1 DFL YPW UNE 56 GNDS S101 and S102 R1 C51 AN1 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...

Page 33: ...030 AWU8045 NE M PF2 CAUTION PRIMARY SECONDARY AWU8001 MODELE INDENTIQUE EN INTENSITE REMPLACER PAR LE FUSIBLE PAR 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 CN2 ...

Page 34: ...U8028 2 POWER ASSY AWU8097 2 AF ASSY AWU8098 NSP 1 AMP MODULE 6CH AXQ7242 2 6CH AMP SERVICE AZW7283 Mark No Description Part No AAF ASSY AWU8098 SEMICONDUCTORS IC3002 IC3004 IC3102 IC3104 BA4558F HT IC3001 M62446AFP IC3101 UPC4570G2 Q3004 Q3005 2SC4081 Q3009 UN5112 Q3081 UN511L Q3008 UN5212 Q3006 UN521L D3004 D3006 1SS133 D3003 MTZJ2 7B D3001 D3002 UDZS6 8B D3007 D3030 UDZS8 2B CAPACITORS C3034 C3...

Page 35: ... MTZJ18B C D63 MTZJ18C D3385 D3386 MTZJ36A Mark No Description Part No D82 MTZJ7 5C D91 UDZS18B D105 D106 D3658 UDZS7 5B TH111 NCP18WF104J03RB CAPACITORS C3305 C3306 C3405 C3406 CCSRCH221J50 C3505 C3506 C62 C97 CCSRCH221J50 C3309 C3310 C3409 C3410 CCSRCJ3R0C50 C3509 C3510 CCSRCJ3R0C50 C3307 C3308 C3407 C3408 C3508 CEAL100M16 C3507 CEAL470M6R3 C72 CEAT100M50 C3651 CEAT101M25 C101 C102 CEAT1R0M50 C3...

Page 36: ...R31 RD1 4PU100J R3602 RD1 4PU222J R3621 R3622 RD1 4PU820J Other Resistors RS1 16S J OTHERS 3401 SPEAKER TERMINAL10 P AKE7081 CN3053 7P PLUG AKP7056 CN3051 13P PLUG AKP7059 CN3054 15P PLUG AKP7060 CN3052 23P PLUG AKP7064 H41 H42 FUSE CLIP AKR7001 RY3361 RY3461 RY3561 SP RELAY ASR7008 CN11 CONNECTOR B7P VH KN3001 WRAPPING TERMINAL VNF1084 EPRIMARY ASSY AWU8030 SEMICONDUCTORS Q52 2SC4081 Q51 2SD1858X...

Page 37: ...S DV900SW 37 5 6 7 8 5 6 7 8 C D F A B E 6 ADJUSTMENT There is no information to be shown in this chapter ...

Page 38: ...ted to ground GND 2 2 Short circuit detection circuit for the DVD power Line VP 8 XPROTECT TUNER 6CH AMP C 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...

Page 39: ...06 Q3607 B C E XPROTECT to XPROTECT POWER Assy D R108 27k VD 5 VD 5 6CH AMP C 6CH AMP C Front R ch C SR In 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 mi...

Page 40: ... and remove it 2 Removing the Subwoofer 1 The speaker element is attached to the back board by four external screws 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 Duc...

Page 41: ...S DV900SW 41 5 6 7 8 5 6 7 8 C D F A B E 4 Connect the two jig cables as figure below Jig Cable GGD1315 POWER Assy PRIMARY Assy AF Assy Diagnosis AMP MODULE 6CH ...

Page 42: ...center speaker H 1 Q4 SPRYS Control relay for front speaker H M62446AFP AF ASSY IC3001 The information shown in the 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 ...

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