Nad T 572 AH Service Manual

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Nad T 572 AH Service Manual

Extracted text from Nad T 572 AH Service Manual (Ocr-read)

Page 1

3-17 3-18 NOTES) Warning NOTES) Parts that are shaded are critical NOTES) With respect to risk of fire or NOTES) electricial shock. R1A1 56(2W) '02. 03. 19 R14140A CIRCUIT DIAGRAM 1. POWER(SMPS) CIRCUIT DIAGRAM NOTE : 1. Shaded( ) parts are critical for safety. Replace only with specified part number. 2. Voltages are DC-measured with a digital voltmeter during Play mode. Oscillation abnormal Digitron no Power 3.3V line dead. No Power 8V line dead 5V_A/5V_D, No Power No Power

Page 2

3-19 3-20 5 6 Spindle Servo Loop RF SIGNAL Focus Servo Loop Tracking Servo LoopSled Servo Loop WAVEFORM D201D202 R284 R283 '02. 03. 19 R14135A 2. DVD DSP CIRCUIT DIAGRAM DVD/CD picture audio abnormal µ-com Interface adress CD/DVD picture audio abnormal Focus Servo fail Tracking Servo fail Scratched Disc abnormal Sled Servo fail DRAM Control Disc Detect Error Spindle Servo fail

Page 50

5-1 SECTION 5 REPLACEMENT PARTS LIST MODELS:(A)DMN5025E(T572C), (B)DMN5026N(T572AH) RUN DATE:AUG.20.2002 .MECHANICAL SECTION NSP:Not Service Part S AL LOCA.NO PART NO(LG) A B DESCRIPTION SPECIFICATION REMARKS ASSEMBLY PARTS SECTION A00 6721RH0326A O O DECK ASSEMBLY,VIDEO DPM-2 (DVD-CD R/RW MITSUMI 2LD A01 4931R-0037B O O HOLDER ASSEMBLY CLAMP -SH A02 3041R-0014C O O BASE ASSEMBLY TRAY (DPM1)-SH A03 3041R-0061B O O BASE ASSEMBLY SLED-DAMPER(DVD-CD R/RW MITSUM A04 3041R-0016B O O BASE ASSEMBLY MAIN -SH PARTS SECTION 001 3300R-0547A O O PLATE CLAMP NSP 002 5016H-1016B O O MAGNET CLAMP(LDM-R608,10*5,1*1.5T) NSP 003 4860R-0009A O O CLAMP UPPER NSP 004 4930R-0197A O O HOLDER CLAMP NSP 008 4470R-0047A O O GEAR ASSY RACK 009 4470R-0053A O O GEAR MIDDLE 011 3210R-0041A O O FRAME UP/DOWN 012 5040R-0047D O O RUBBER DAMPER(HARDNESS=30),DARKGREEN 013 6871R-0001K O O PWB(PCB) ASSEMBLY,TOTAL DPM1 JUNCTION DVD-CD R/RW -SH 014 5040R-0047B O O RUBBER DAMPER(E2,5040H-1054A),CHUNPOO 016 4470R-0050A O O GEAR ASSY FEED 020 4470R-0118A O O GEAR WHEEL TRAY 021 4470R-0074A O O GEAR TRAY 022 6871R-3024D O O PWB(PCB) ASSEMBLY,TOTAL DPM1 TRAY -SH 023 4580R-0006A O O ROLLER BASE TRAY 024 4681R-0010D O O MOTOR ASSEMBLY TRAY-SH 025 3040R-0032A O O BASE TRAY (DPM1) NSP 026 3390R-0008A O O TRAY DISC (DPM1) 030 3040R-0031A O O BASE MAIN (DPM1) 031 4470R-0069A O O GEAR SLIDER 032 4470R-0067A O O GEAR MAIN 033 4470R-0070A O O GEAR EXCHANGE 034 4470R-0068A O O GEAR UP/DOWN 035 4470R-0071A O O GEAR LOADING 036 4681R-0012B O O MOTOR ASSEMBLY MAIN -SH 037 4470R-0072A O O GEAR WHEEL MAIN 038 6871R-3026C O O PWB(PCB) ASSEMBLY,TOTAL DPM1 MAIN-MODE -SH SCREW 413 4000R-0006A O O SCREW TAPTITE 3*8(353-025B) 414 4000R-0006B O O SCREW TAPTITE 3X10 FBK(353-025C) 415 1MPC0301118 O O SCREW MACHINE,PAN HEAD #NAME? 416 4404R-0017A O O MECHANISM 3*12*12(88H-0004) 430 1SZZH-1003A O O SCREW, + D2.0 6MM SWRCH16A/NIY 4.5MM 432 1SZZR-0011A O O SCREW, MACHINE .CABINET & MAIN FRAME SECTION ASSEMBLY PARTS SECTION A43 3501RF3434C O BOARD ASSEMBLY FRONT(DMN5026N_T572_AH A43 3501RF3434D O BOARD ASSEMBLY FRONT(DMN5025E_T572_C) A46 6885R-0550G O SUB PWB(PCB) ASSEMBLY DMN5026N EVNT NAD CHANGER SVC A46 6885R-0550H O SUB PWB(PCB) ASSEMBLY DMN5025E EVNT NAD CHANGER SVC A47 6871R-5089A O PWB(PCB) ASSEMBLY,TOTAL DMN5026N HA1UNN IO BLUE PCB A47 6871R-5089B O PWB(PCB) ASSEMBLY,TOTAL DMN5025E HA2DNN IO BLUE PCB NOTES) Warning NOTES) Parts that are shaded are critical NOTES) With respect to risk of fire or NOTES) electricial shock.