Pioneer S-DV77 Service Manual
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Pioneer S-DV77 Service Manual

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SPEAKER SYSTEM
S-DV77
S-DV77SW
S-DV77ST
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
S-DV77
MYXJI
NVXJI
This product is component of system.
Component
SPEAKER SYSTEM
POWERED SUBWOOFER
SATELLITE SPEAKER
CONTENTS
1. SAFETY INFORMATION ...................................... 2
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ... 12
4. PCB CONNECTION DIAGRAM ......................... 22
5. PCB PARTS LIST ............................................... 30
6. ADJUSTMENT .................................................... 32
PIONEER CORPORATION
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
c
PIONEER CORPORATION 2001
Power Requirement
AC220-230V
AC230V
System
S-DV77
S-DV77SW
S-DV77ST
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
Service Manual
RRV2473
RRV2473
7. GENERAL INFORMATION ................................ 33
7.1 DISASSEMBLY ............................................ 33
T – ZZR JUNE 2001 Printed in Japan
ORDER NO.
RRV2473
Remarks
Remarks

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  • Page 1 PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2001 T –...
  • Page 2 The use of a substitute replacement component which does Leakage 0.5mA current Device not have the same safety characteristics as the PIONEER tester under recommended replacement one, shown in the parts list in test this Service Manual, may create shock, fire, or other hazards.
  • Page 3 S-DV77, S-DV77SW, S-DV77ST...
  • Page 4 S-DV77, S-DV77SW, S-DW77ST 2. EXPLODED VIEWS AND PARTS LIST • NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. • mark found on some component parts indicates the importance of the safety factor of the part.
  • Page 5 VEM1011 Polyethylene Bag S3 SHL1293 Battery Cover 103RRC14701R AC Power Cord See Contrast table (2) (2) CONTRAST TABLE S-DV77/MYXJI and S-DV77/NVXJI are constructed the same except for the following: Part No. Remarks Symbol and Description Mark S-DV77 S-DV77 /NVXJI /MYXJI...
  • Page 6 S-DV77, S-DV77SW, S-DW77ST 2.2 POWERED WOOFER SECTION...
  • Page 7 S-DV77, S-DV77SW, S-DV77ST (1) POWERED WOOFER PARTS LIST Mark No. Description Part No. Cabinet SMM1943 Cosmetic Duct SMR1336 Paper Tube 70 SMR1348 Duct Ring SMR1339 Damper SER1300 Packing SEC1539 Mesh SNC1188 Acoustic Absorbent SMV2079 (Polyester Fiber) Acoustic Absorbent SMV2077 (Duffel Felt)
  • Page 8 S-DV77, S-DV77SW, S-DW77ST 2.3 SATELLITE SPEAKER SECTION (S-DV77ST/XJI/EW) ÷ CS ASSY (Center) Part name Remarks Part name Remarks Cabinet Packing • • • Acoustic Absorbent Grille Input Terminal Speaker Speaker Wire • • • Label Back Screw (M4 × 8) Damper Screw (M4 ×14)
  • Page 9 S-DV77, S-DV77SW, S-DV77ST ¶ SATELLITE SPEAKER PARTS LIST Mark No. Description Part No. CS ASSY (Center) SMW1657 CS ASSY (Front/Rear) SMW1658 ÷ CS ASSY (Center) ÷ CS ASSY (Front/Rear) ÷ PARTS LIST ÷ PARTS LIST Mark No. Description Part No.
  • Page 10 S-DV77, S-DV77SW, S-DW77ST 2.4 AMPLIFIER ASSY...
  • Page 11 S-DV77, S-DV77SW, S-DV77ST ¶ AMPLIFIER ASSY PARTS LIST Mark No. Description Part No. AF ASS'Y AWU7825 AMP ASS'Y AWU7827 PRI ASS'Y AWU7824 Wood Base AMM7006 Chassis ANA7109 Power Transformer ATS7307 Harness Lifter AEC7296 Wire Saddle AEC7297 Heat Sink Holder ANG7317...
  • Page 12 S-DV77, S-DV77SW, S-DV77ST 3. BLOCKDIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM AND OVERALL CONNECTION DIAGRAM To SIDEL ASSY CN3703 CN3702 GNDALR IC3151 IC3161 IC3001 XMUTE E-VOL IC3601 7,9,10,13 RYFS RYRC TDA7294V SWMUTE V+12R SWMUTE M62446FP IC3171 V+5A 8,15 V–B FDET...
  • Page 13 S-DV77, S-DV77SW, S-DV77ST Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". L ASSY To MOTHER ASSY XV-DV77 CN3704 RY51 – IC3001 E-VOL – IC3004 CN51 CN3705 – M62446FP –...
  • Page 14 S-DV77, S-DV77SW, S-DV77ST 3.2 AF ASSY (1/2) AF ASSY(AWU7825) (FL) (SL)
  • Page 15 S-DV77, S-DV77SW, S-DV77ST : Audio Signal Route (FL) (FL) (FL) (FL) (SL) (SL) : The power supply is shown with the marked box.
  • Page 16 S-DV77, S-DV77SW, S-DV77ST 3.3 AF ASSY (2/2), REG ASSY and TRADE ASSY AF ASSY (AWU7825) REG ASSY (AWU7826) TRADE ASSY (AWU7828)
  • Page 17 S-DV77, S-DV77SW, S-DV77ST...
  • Page 18 S-DV77, S-DV77SW, S-DV77ST 3.4 AMP ASSY AMP ASSY(AWU7827) Front Power Amp (FL) (FL) Rear and Center Power Amp (SL) SW Power Amp : Audio Signal Route...
  • Page 19 S-DV77, S-DV77SW, S-DV77ST (FL) (FL) (SL) (SL)
  • Page 20 S-DV77, S-DV77SW, S-DV77ST 3.5 PRI ASSY PRI ASSY (AWU7824) Other model Use This model Use...
  • Page 21 S-DV77, S-DV77SW, S-DV77ST • NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. CAUTION - REPLACE WITH SAME TYPE AND RATINGS ONLY. PRI ASSY (AWU7824) REK1027 (T3.15AL250v) AC POWER CORD MYXJI : ADG1154 NVXJI : ADG1156...
  • Page 22 S-DV77, S-DV77SW, S-DW77ST 4. PCB CONNECTION DIAGRAM 4.1 AF ASSY AF ASSY 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 To Power Transformer CN3302 and schematic diagrams is shown below.
  • Page 23 S-DV77, S-DV77SW, S-DW77ST N3302 CN3301 SIDE A XV-DV77 SIDEL ASSY CN5081 (ANP7408-A) IC3831 To XV-DV77 CN44 MOTHER ASSY...
  • Page 24 S-DV77, S-DV77SW, S-DW77ST AF ASSY IC3004 IC3005 Q94 Q96 IC3009 IC3001 IC3002 IC3008 IC3003 IC3091 IC37 IC300 Q97 Q91 IC3093 IC3007 IC3092...
  • Page 25 S-DV77, S-DV77SW, S-DW77ST SIDE B (ANP7408-A) IC3091 IC12 IC41 IC32 IC3775 IC3092...
  • Page 26 S-DV77, S-DV77SW, S-DW77ST 4.2 AMP ASSY SIDE A AMP ASSY Q3772 IC3301 CN3052 IC3321 IC3621 Q3714 IC3601 Q3713 CN3702 Q3701 IC3401 Q3702 Q3651 (ANP7048-A) To Satellite Speaker To Satellite Speaker To Subwoofer...
  • Page 27 S-DV77, S-DV77SW, S-DW77ST SIDE B Q3772 Q3774 Q3771 Q3301 IC3301 Q3302 Q3717 Q3716 Q3712 Q3714 Q3711 Q3713 IC3601 Q3705 Q3703 Q3701 Q3706 Q3704 IC3401 Q3701 Q3702 Q3041 Q3042 Q3351 Q3501 Q3651 Q3352 Q3451 Q3551 (ANP7048-A)
  • Page 28 S-DV77, S-DV77SW, S-DW77ST 4.3 PRI, REG and TRADE ASSYS PRI ASSY SIDE A (ANP7048-A) CN3705 To Power Transformer T1 IC361...
  • Page 29 S-DV77, S-DV77SW, S-DW77ST REG ASSY SIDE A SIDE B (ANP7048-A) TRADE ASSY (ANP7048-A) CN41...
  • Page 30 S-DV77, S-DV77SW, S-DV77ST Mark No. Description Part No. Mark No. Description Part No. 5. PCB PARTS LIST • NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. • mark found on some component parts indicates the importance of the safety factor of the part.
  • Page 31 S-DV77, S-DV77SW, S-DV77ST Mark No. Description Part No. Mark No. Description Part No. R9001, R9006 RS1/10S0R0J AMP ASSY R3351, R3352, R3451, R3452, R3551 RS2LMFR22J R3651 RS3LMFR22J SEMICONDUCTORS Other Resistors RS1/16S&&&J IC3321, IC3621 AEK7009 OTHERS IC3301 STK402-040 CN3601 2P CONNECTOR 5569-02A1...
  • Page 32 S-DV77, S-DV77SW, S-DV77ST Mark No. Description Part No. Mark No. Description Part No. TRADE ASSY 6. ADJUSTMENT OTHERS 6P SOCKET 51048-0600 CN44 6P CABLE HOLDER KP200TA6L There is no information to be shown in this chapter.
  • Page 33 S-DV77, S-DV77SW, S-DV77ST 7. GENERAL INFORMATION 7.1 DISASSEMBLY 1. Removing the Amplifier Assy 1) The Amplifier Assy is attached to the cabinet by 6 external screws 1. To detach it, pull down the subwoofer toward the left side. 2) Then unfasten those screws 1 .
  • Page 34 S-DV77, S-DV77SW, S-DV77ST 8. SPECIFICATIONS Amplifier Section Subwoofer ........... 50W (100Hz, 1% T.H.D.,4Ω) Surround (Reference) Front,Center,Rear ..... 30W,per channel(1KHz, 1% T.H.D.,8Ω) Continuous power output (RMS) Subwoofer ......... 65W (100Hz, 10% T.H.D.,4Ω) Surround (Reference) Front,Center,Rear ... 40W,per channel(1KHz, 10% T.H.D.,8Ω) Speaker Section Powered subwoofer Type ......

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