http://www.xiaoyu163.com SAFETY INFORMATION 3 7 63 1515 0 CAUTION This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual.
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http://www.xiaoyu163.com 3 7 63 1515 0 [Important Check Points for Good Servicing] In this manual, procedures that must be performed during repairs are marked with the below symbol. Please be sure to confirm and follow these procedures. 1. Product safety Please conform to product regulations (such as safety and radiation regulations), and maintain a safe servicing environment by following the safety instructions described in this manual.
http://www.xiaoyu163.com 1. SERVICE PRECAUTIONS 3 7 63 1515 0 1.1 SERVICE PRECAUTIONS 1. You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and should keep the safety during servicing by following the safety instructions described in this manual. 2.
http://www.xiaoyu163.com 2. SPECIFICATIONS 3 7 63 1515 0 2.1 SPECIFICATIONS GM-D7500M/XSUC Power output ......200 W RMS × 1 Channel (at Power source ......1 4.4 V DC (10.8 V to 15.1 V 14.4 V, 4 ohm, 20 Hz to allowable) 240 Hz and 1 % THD+N)
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http://www.xiaoyu163.com 3 7 63 1515 0 GM-D7500M/XSEW5, GM-D7500M/XSES, GM-D7500M/XSCN5 Power source ......14.4 V DC (10.8 V to 15.1 V allowable) Grounding system....Negative type Current consumption ..18 A (at continuous power, 4 ohm ) Average current drawn..5.2 A (4 ohm for one channel) 10.3 A (2 ohm for one channel) Back up current ......3.0 mA or less Fuse .........
• For use with an RCA equipped car stereo (standard output of 500 mV), set to the NORMAL position. For use with an RCA equipped Pioneer car stereo, with max. output of 4 V or more, adjust level to match that of the car stereo output.
http://www.xiaoyu163.com 2.3 CONNECTION DIAGRAM 3 7 63 1515 0 Connection diagram connect the male terminal to the power term- inal via the ignition switch. 8 Speaker output terminals Please see the following section for speaker connection instructions. Refer to Connections when using the speaker input wire on the next page.
http://www.xiaoyu163.com 3. BASIC ITEMS FOR SERVICE 3 7 63 1515 0 3.1 CHECK POINTS AFTER SERVICING To keep the product quality after servicing, please confirm following check points. r i f Confirm whether the customer complain has The customer complain must not be been solved.
http://www.xiaoyu163.com 5. DIAGNOSIS 3 7 63 1515 0 5.1 CONNECTOR FUNCTION DESCRIPTION L 13942296513 6. SERVICE MODE There is not information to be shown in this chapter. u163 GM-D7500M/XSUC http://www.xiaoyu163.com...
http://www.xiaoyu163.com 7. DISASSEMBLY 3 7 63 1515 0 Removing the Case (Fig.1) Remove the four screws and then remove the Case. Fig.1 Case Removing the Amp Unit (Fig.2) Remove the two screws. L 13942296513 Remove the nine screws and then remove the Amp Unit. Fig.2 Amp Unit u163...
http://www.xiaoyu163.com 3 7 63 1515 0 Bonding Position GYL1006 GEM1017 Press the thermistor against the transformer and apply an adhesive as the end of the Adhesive thermistor touches the transformer. PRESS T601 L 13942296513 u163 8. EACH SETTING AND ADJUSTMENT There is not information to be shown in this chapter.
http://www.xiaoyu163.com 9. EXPLODED VIEWS AND PARTS LIST 3 7 63 1515 0 OTES : Parts marked by " * " are generally unavailable because they are not in our Master Spare Parts List. The > mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.
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http://www.xiaoyu163.com (1) PACKING SECTION PARTS LIST Mark No. Description Part No. 3 7 63 1515 0 Mark No. Description Part No. Owner's Manual See Contrast table(2) Screw Assy CEA5330 Cord Assy YDE5010 Screw BYC40P180FTB Polyethylene Bag See Contrast table(2) Polyethylene Sheet CNM4338 Unit Box See Contrast table(2)
http://www.xiaoyu163.com 10. SCHEMATIC DIAGRAM 3 7 63 1515 0 10.1 AMP UNIT(GUIDE PAGE) Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST". Large size SCH diagram [BUFFER/ISO] [LPF] [GAIN] [BASS BOOST] Guide page R109...
http://www.xiaoyu163.com 11. PCB CONNECTION DIAGRAM 3 7 63 1515 0 11.1 AMP UNIT NOTE FOR PCB DIAGRAMS AMP UNIT 1.The parts mounted on this PCB include all necessary parts for several destination. For further information for respective destinations, be sure to check with the schematic dia- gram.
http://www.xiaoyu163.com 12. ELECTRICAL PARTS LIST 3 7 63 1515 0 NOTE: Parts whose parts numbers are omitted are subject to being not supplied. The part numbers shown below indicate chip components. Chip Resistor RS1/_S___J,RS1/__S___J Chip Capacitor (except for CQS..) CKS.., CCS.., CSZS..The >...
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http://www.xiaoyu163.com Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. D 930 (A,108,82) Diode 1SS355 R 138 (B,30,81) RS1/10SR223J 3 7 63 1515 0 D 931 (A,108,77) Diode UDZS30(B) R 141 (B,38,88) RS1/10SR472J D 932 (A,116,73) Diode UDZS24(B) R 142 (B,38,59)
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http://www.xiaoyu163.com Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. R 649 (A,167,150) RS1/2PMF121J C 123 (B,34,32) CKSRYB472K50 3 7 63 1515 0 R 650 (A,130,150) RS1/2PMF121J R 651 (A,155,150) RS1/2PMF121J C 124 (B,40,31) CKSRYB103K50 R 652 (A,118,150) RS1/2PMF121J C 125...
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http://www.xiaoyu163.com Circuit Symbol and No. Part No. C 631 (A,84,75) 3 300 uF/50 V CCH1971(P35) 3 7 63 1515 0 C 632 (A,60,75) 3 300 uF/50 V CCH1971(P35) C 633 (B,85,94) CKSRYB104K50 C 634 (B,57,94) CKSRYB104K50 C 635 (B,85,80) CKSRYB104K50 C 636 (B,59,80) CKSRYB104K50...