Denon PMA-2000IVR Service Manual Download Page 14

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PMA-2000

PARTS LIST OF P.W.B. UNIT ASS'Y

1U-3432 POWER AMP UNIT ASS'Y

Ref. No.

Part No.

Part Name

Remarks

Ref. No.

Part No.

Part Name

Remarks

SEMICONDUCTORS GROUP

IC103

499 0290 007 IC GP1U271X

IC201

263 0743 007 IC NJM2082DD

TR453

274 0151 903 Transistor 2SD2004(P)T105

TR501-504 275 0055 015 Transistor 2SK184C (GR)/(BL)

TR505-508 273 0235 923 Transistor 2SC1841-T(E/F)

TR509-512 271 0304 007 Transistor 2SA1546(M/L)

TR513,514 273 0453 006 Transistor 2SC4001(M/L)

TR515,516 273 0323 000 Transistor 2SC3421 O/Y

TR517,518 273 0442 004 Transistor 2SC4793 (Y)

TR519,520 271 0282 006 Transistor 2SA1837 (Y)

TR525,526 273 0235 923 Transistor 2SC1841-T(E/F)

TR527,528 271 0131 924 Transistor 2SA988-T(E/F)

D101

276 0432 903 Diode 1SS270A TE

D453

276 0432 903 Diode 1SS270A TE

D501,502

276 0432 903 Diode 1SS270A TE

D505-508

276 0432 903 Diode 1SS270A TE

D513-516

276 0432 903 Diode 1SS270A TE

ZD471

276 0470 907 Zener diode HZS11A-1TD

ZD509,510 276 0468 906 Zener diode HZS9B-1TD

ZD511,512 276 0450 901 Zener diode HZS2B-1TD

LD108

393 9584 908 LED SEL2E10C

PT501,502 279 0034 041 Thermistor PTH9M04BD222TS2F333

RESISTORS GROUP

R201,202

241 2422 944 Carbon film 1 kohm 1/4W

RD14B2E102JT(PSNB)

R209,210

241 2427 965 Carbon film 150 kohm 1/4W

RD14B2E154JT(PSNB)

R233,234

241 2423 972 Carbon film 3.6 kohm 1/4W

RD14B2E362JT(PSNB)

R251,252

241 2313 985 Fusible resistor 4.7 ohm 1/4W RD14B2E4R7JFRST

R463

241 2422 944 Carbon film 1 kohm 1/4W

RD14B2E102JT(PSNB)

R471,472

241 2420 904 Carbon film 100 ohm 1/4W

RD14B2E101JT(PSNB)

R473,474

241 2429 963 Carbon film 1 Mohm 1/4W

RD14B2E105JT(PSNB)

R475-478

241 2427 923 Carbon film 100 kohm 1/4W

RD14B2E104JT(PSNB)

R501,502

241 2445 743 Carbon film 3.3 kohm 1/2W

RD05A2H332JF(RMG)

R503-506

241 2424 900 Carbon film 4.7 kohm 1/4W

RD14B2E472JT(PSNB)

R507,508

241 2420 988 Carbon film 220 ohm 1/4W

RD14B2E221JT(PSNB)

R509,510

241 2450 796 Carbon film 1 Mohm 1/2W

RD05A2H105JF(RMG)

R511,512

241 2422 973 Carbon film 1.3 kohm 1/4W

RD14B2E132JT(PSNB)

R513,514

241 2447 741 Carbon film 33 kohm 1/2W

RD05A2H333JF(RMG)

R515,516

241 2444 760 Carbon film 1.2 kohm 1/2W

RD05A2H122JF(RMG)

R517,518

241 2446 001 Carbon film 8.2 kohm 1/2W

RD05A2H822J(RMG)

R519-522

241 2315 983 Fusible resistor 330 ohm 1/4W RD14B2E331GFRST

R523-526

241 2377 947 Carbon film 100 ohm 1/4W(NB)

RD14B2E101JNBST

R529,530

241 2377 921 Carbon film 82 ohm 1/4W(NB) RD14B2E820JNBST

R531,532

244 2068 048 Metal oxide 15 kohm 1W(NB) RS14B3A153JNBS RSFSV

R533,534

241 2424 926 Carbon film 5.6 kohm 1/4W

RD14B2E562JT(PSNB)

R535,536

241 2422 944 Carbon film 1 kohm 1/4W

RD14B2E102JT(PSNB)

R537-540

241 2371 930 Fusible resistor 160 ohm 1/4W RD14B2E161GFRST

R541,542

241 2429 963 Carbon film 1 Mohm 1/4W

RD14B2E105JT(PSNB)

R543,544

241 2423 969 Carbon film 3.3 kohm 1/4W

RD14B2E332JT(PSNB)

R545,546

244 2068 035 Metal oxide 390 ohm 1W(NB) RS14B3A391JNBS RSFSV

R547,548

244 2068 019 Metal oxide 200 ohm 1W(NB) RS14B3A201JNBS RSFSV

R549,550

244 2068 035 Metal oxide 390 ohm 1W(NB) RS14B3A391JNBS RSFSV

R553-556

244 2068 006 Metal oxide 100 ohm 1W(NB) RS14B3A101JNBS RSFSV

R557,558

244 2067 010 Metal oxide 0.1 ohm 2W(NB) RS14B3D0R1JNBF RSFKL

R559,560

241 2380 963 Carbon film 2.2 kohm 1/4W(NB) RD14B2E222JNBST

R565,566

244 2058 074 Metal oxide 22 ohm 1W(NB)

RS14B3A220JNBS RSFSV

R567,568

241 2425 925 Carbon film 15 kohm 1/4W

RD14B2E153JT(PSNB)

R571,572

241 2447 796 Carbon film 51 kohm 1/2W

RD05A2H513JF(RMG)

R573,574

241 2424 984 Carbon film 10 kohm 1/4W

RD14B2E103JT(PSNB)

R575,576

241 2426 908 Carbon film 33 kohm 1/4W

RD14B2E333JT(PSNB)

R585,586

244 2067 007 Metal oxide 10 ohm 2W(NB)

RS14B3D100JNBF RSFKL

R997-999

241 2422 944 Carbon film 1 kohm 1/4W

RD14B2E102JT(PSNB)

VR201

211 0798 103 Variable resistor 100kohm

V14V20FW104K

VR202

211 0834 012 Variable resistor 10kohm

V14V20FA103K

VR203

211 0834 009 Variable resistor 30kohm

V14V20FA303K

VR351

211 0873 002 Variable resistor 30kohm

V1820V30FB303

VR501,502 211 8005 021 Semi fixed resistor 4.7kohm

V06QB472

CAPACITORS GROUP

C101,102

253 8026 703 Ceramic 4700pF/250V(AC)

CK45E2EAC472MC

C103

254 4558 702 Electrolytic 100uF/50V

CE04W1H101MC(RFS)

C121

254 4313 963 Electrolytic 1uF/50V

CE04W1H010MT(ASF)

C151

255 4235 934 Polypropylene film 0.01uF/100V CQ93P2A103JT(NH)

C207,208

255 4237 929 Polypropylene film 56pF/100V CQ93P2A560JT(NH)

C209,210

254 4583 955 Electrolytic 22uF/50V

CE04W1H220MT(ROB)

C211,212

254 4260 980 Electrolytic 10uF/50V

CE04W1H100MT (SME)

C217,218

256 1058 913 Metalized 0.033uF/50V

CF93A1H333JT (JL)

C219,220

254 4260 919 Electrolytic 0.22uF/50V

CE04W1HR22MT (SME)

C221,222

254 4260 906 Electrolytic 0.1uF/50V

CE04W1H0R1MT (SME)

C223,224

254 4260 935 Electrolytic 0.47uF/50V

CE04W1HR47MT (SME)

C225,226

255 4232 924 Polypropylene film 39pF/100V CQ93P2A390JT(NH)

C351

256 1054 001 Metalized 1uF/50V

CF93B1H105K(GSG)

C354

254 3055 918 Electrolytic 10uF/35V

CE04D1V100MBPT (SME)

C355

253 1181 917 Ceramic 0.022uF/50V

CK45F1H223ZT(DD-3)

Note:

The symbol in the column "Remarks" indicate the following destinations.

G1C: China model

G1H: Hong Kong model

G2A: Singapore model

KEU: U.S.A. model

www. xiaoyu163. com

QQ 376315150

TEL 13942296513

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

Summary of Contents for PMA-2000IVR

Page 1: ...ly different from the actual set 16 11 YUSHIMA 3 CHOME BUNKYOU KU TOKYO 113 0034 JAPAN Telephone 03 3837 5321 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 X0141 337 NC 0204 ...

Page 2: ...upply AC 230 V 50 Hz Asia AC220 V 50 Hz China AC Outlets Switched 2 100 W Total Except for China model Unswitched 1 100 W Power Consumption 310 W IEC Dimensions 434 W 180 H 478 D mm 17 3 32 7 5 64 18 13 16 Net Mass 24 0 kg 52 lbs 14 6 oz REMOTE CONTROL UNIT RC 858 Remote control system Infrared pulse system Power supply 3 V DC Two size R03 AAA dry cell batteries External dimensions 56 W 105 H 19 D...

Page 3: ... 1 Remove 8 screws 3 2 Pull out the knob 4 and remove the nut then detach the panel in the arrow direction Nut Front Panel 1 1 1 2 2 1 3 3 3 4 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 4: ...h the Heat Sink Ass y in the arrrow direction Rear Panel Bottom Plate Remove 24 screws 5 and detach it in the arrow direction Bottom Plate 9 6 7 7 8 5 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 5: ...Printing Wiring Board 2 Connect power cord to AC wall outlet and turn POWER switch ON Within 10 seconds turn VR501 Lch and VR502 Rch clockwise so that the DC Voltmeter reads 12 0 5mV 3 Then after 2 minutes warmup adjust VR501 and VR502 so that the DC Voltmeter reads 12 0 5mV 4 And after 10 minutes warmup adjust VR501 and VR502 so that the DC Voltmeter reads 12 0 5mV METHOD OF ADJUSTMENTS DC Voltme...

Page 6: ...WER AMP POWER GND VOLTAGE REGULATOR REC OUT SELECTOR OFF ON EQUALIZER TONE AMP POWER AMP FLAT AMP PROTECTOR RELAY 16V 16V GND 16V 16V GND 16V 16V GND GND 30V 12V 30V GND AC PLUG 80W 8ohm 25 3V 28dB 40dB 40dB 50dB 60dB 70dB 80dB 20dB 20dB 10dB 10dB 0dB 30dB 30dB dBV BLOCK LEVEL DIAGRAM PMA2000 BlockLevel p65 02 03 12 18 49 Page 6 Adobe PageMaker 6 5J Win w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 ...

Page 7: ...RELAY DRIVE 2 P76 O C 3 P75 SO O C 4 P74 SI O C 5 P73 SCK O C 6 P72 O C MUTE STAND BY LED DRIVE 7 P71 INT4 O C MOTOR VOLUME UP 8 P70 INT3 I C REMOTE CONTROL SIGNAL INPUT 9 P07 O C TAPE 2 LED ARELAY DRIVE 10 P06 O C TAPE 1 LED ARELAY DRIVE 11 P05 O C 12 P04 O C AUX 2 LED ARELAY DRIVE 13 P03 O C DVD AUX 1 LED ARELAY DRIVE 14 P02 O C TUNER LED ARELAY DRIVE 15 P01 O C CD LED ARELAY DRIVE 16 P00 O C PH...

Page 8: ...2 R1 R2 E C B LB1639 IC902 1 2 3 4 5 7 8 6 VCC N C VOUT2 VIN1 GND VCONT VOUT1 VIN2 4 6 8 5 1 7 3 2 VIN1 VOUT1 VOUT2 VCC VCONT GND VIN2 N C VREF TOP VIEW PNP Type DTA114ES R1 R2 10kohm 10kohm DTA114ES OTHERS GP1U27X Remote Control Sensor IC103 GND Vcc Vout Head Amp Limiter Amp BPF Detector Comparator Integrator Hysteresis Comparator TOP VIEW Vout Vcc GND TRANSISTORS DTC114ES DTC143ES DTC143ZS DTC14...

Page 9: ... G S 2SK2967 FRONT VIEW G D S DIODES LED included FCH20A15 FRONT VIEW A K A FRH20A15 FRONT VIEW K A K SF0R3G42 A G K PTH9M04BD222TS2F333 FRONT VIEW G A K SEL2E10C Blue TOP VIEW SIDE VIEW SLR 342MG Green THYRISTOR THERMISTOR 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 8924...

Page 10: ...E 10 1U 3432 POWER AMP P W B UNIT Ass y PMA 2000IVR PRINTED WIRING BOARDS w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 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: ...7 6 5 4 3 2 1 A B C D E PMA 2000IVR 11 1U 3130 INPUT P W B UNIT Ass y w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 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 12: ... B UNIT Ass y PMA 2000IVR w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 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 13: ...y be refused l When ordering of part clearly indicate 1 and I i to avoid mis supplying l Ordering part without stating its part number can not be supplied l Part indicated with the mark is not illustrated in the exploded view l Not including Carbon Film 5 1 4W Type in the P W Board parts list Refer to the Schematic Diagram for those parts WARNING Parts marked with this symbol have critical charact...

Page 14: ... Carbon film 1 kohm 1 4W RD14B2E102JT PSNB R537 540 241 2371 930 Fusible resistor 160 ohm 1 4W RD14B2E161GFRST R541 542 241 2429 963 Carbon film 1 Mohm 1 4W RD14B2E105JT PSNB R543 544 241 2423 969 Carbon film 3 3 kohm 1 4W RD14B2E332JT PSNB R545 546 244 2068 035 Metal oxide 390 ohm 1W NB RS14B3A391JNBS RSFSV R547 548 244 2068 019 Metal oxide 200 ohm 1W NB RS14B3A201JNBS RSFSV R549 550 244 2068 035...

Page 15: ...T NH C517 518 255 4252 975 Polypropylene film 270pF 100V CQ93P2A271JT NH2 C519 520 255 4251 976 Polypropylene film 100pF 100V CQ93P2A101JT NH2 C521 524 254 4558 715 Electrolytic 220uF 50V CE04W1H221MC RFS C527 528 255 4251 976 Polypropylene film 100pF 100V CQ93P2A101JT NH2 C529 534 255 4256 955 Polypropylene film 0 01uF 100V CQ93P2A103JT NH2 C537 540 254 4558 715 Electrolytic 220uF 50V CE04W1H221M...

Page 16: ...3G42 RESISTORS GROUP R301 310 241 2428 948 Carbon film 330 kohm 1 4W RD14B2E334JT PSNB R313 314 241 2428 948 Carbon film 330 kohm 1 4W RD14B2E334JT PSNB R607 608 241 2426 924 Carbon film 39 kohm 1 4W RD14B2E393JT PSNB R614 241 2424 984 Carbon film 10 kohm 1 4W RD14B2E103JT PSNB R623 626 244 2052 960 Metal oxide 220 ohm 1W NB RS14B3A221JNBST S R627 241 2423 927 Carbon film 2 2 kohm 1 4W RD14B2E222J...

Page 17: ...JT NH C907 254 4406 702 Electrolytic 3300uF 16V CE04W1C332MC SMG C908 255 4235 934 Polypropylene film 0 01uF 100V CQ93P2A103JT NH C909 254 4368 934 Electrolytic 100uF 25V CE04W1E101MT ASF C910 256 1058 971 Metalized 0 1uF 50V CF93A1H104JT JL C911 255 4235 934 Polypropylene film 0 01uF 100V CQ93P2A103JT NH C913 256 1058 971 Metalized 0 1uF 50V CF93A1H104JT JL C914 254 4260 919 Electrolytic 0 22uF 5...

Page 18: ... PSNB R451 454 244 2058 032 Metal oxide 47 ohm 1W NB RS14B3A470JNBS RSFSV R457 458 241 2420 904 Carbon film 100 ohm 1 4W RD14B2E101JT PSNB F401 402 241 2387 940 Carbon film 4 7 ohm 1 4W NB RD14B2E4R7JT NB CAPACITORS GROUP C401 402 254 4562 701 Electrolytic 47uF 100V CE04W2A470MC ARS 2 C405 406 255 4256 955 Polypropylene film 0 01uF 100V CQ93P2A103JT NH2 C407 408 254 4557 952 Electrolytic 47uF 50V ...

Page 19: ...1 101 109 101 101 109 8 7 6 5 4 3 2 1 A B C D E EXPLODED VIEW 19 19 Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacturer WARNING PMA 2000IVR 4 15 5 2 2 107 8 1 4 1 6 6 13 12 11 1 3 101 112 14 1 5 9 79 57 2 4 19 59 61 63 62 101 60 1 7 119 56 58 107 107 107 83 81 G2A only 87 88 92 101 101 23 106 3 106 93 22 108 110 25 91 91 101 96 101...

Page 20: ...rd holder L50 1 24 411 1346 248 Trans chassis 1 25 462 0089 054 Bush 1 26 105 1339 075 Back panel G1C 1 105 1339 091 Back panel G1H 1 105 1339 062 Back panel G2A 1 105 1411 003 Back panel KEU 1 27 205 1014 218 4P Terminal ass y 2 28 412 4141 003 Trans bracket 1 29 415 9092 017 Teflon plate PT 2 30 513 3457 004 Trans label D 2 31 462 0089 025 Bush 3 32 205 0071 016 Terminal ass y 1 33 477 0018 014 ...

Page 21: ...tion manual KEU 1 208 515 0921 005 S S list EX 1 209 503 1221 109 Cushion ass y 1 210 502 0944 002 Cushion ass y 1 211 501 2019 068 Carton case 2 212 Control card 1 213 513 3540 018 Carton label G1C 1 215 513 9111 001 Color label Gold 1 216 515 0690 404 DEL warranty home KEU 1 Ref No Part No Part Name Remarks Q ty Note The symbol in the column Remarks indicate the following destinations G1C China ...

Page 22: ...0 CW101 10P EH 5P EH CX054 CW055 CY031 CW056 CX103 CX057 5P EH CY057 CX101 CONTROL UNIT 1U 3432 3 FLAT AMP UNIT 1U 3433 MAIN VR UNIT 1U 3432 9 POWER AMP L UNIT 1U 3432 1 POWER AMP R UNIT 1U 3432 2 H P L GND H P R SP MUTE GND SOURCE DIRECT SW UNIT 1U 3432 5 RELAY GND DIRECT NC OUT L GND OUT R IN L GND IN R 15V 15V L GND R 1 2 3 4 5 1 2 3 4 5 1 2 3 1 2 3 4 5 6 15V 15V L GND GND 1 2 3 4 5 15V 15V R G...

Page 23: ...by the manufacture CAUTION Before returning the unit to the customer make sure you make either 1 a leakage current check or 2 a line to chassis resistance check If the leakage current exceeds 0 5 milliamps or if the resistance from chassis to either side of the power card is less than 460kohms the unit is defective WARNING DO NOT return the unit to the customer until the problem is located and cor...

Page 24: ...anufacture CAUTION Before returning the unit to the customer make sure you make either 1 a leakage current check or 2 a line to chassis resistance check If the leakage current exceeds 0 5 milliamps or if the resistance from chassis to either side of the power card is less than 460kohms the unit is defective WARNING DO NOT return the unit to the customer until the problem is located and corrected S...

Page 25: ... by the manufacture CAUTION Before returning the unit to the customer make sure you make either 1 a leakage current check or 2 a line to chassis resistance check If the leakage current exceeds 0 5 milliamps or if the resistance from chassis to either side of the power card is less than 460kohms the unit is defective WARNING DO NOT return the unit to the customer until the problem is located and co...

Page 26: ... by the manufacture CAUTION Before returning the unit to the customer make sure you make either 1 a leakage current check or 2 a line to chassis resistance check If the leakage current exceeds 0 5 milliamps or if the resistance from chassis to either side of the power card is less than 460kohms the unit is defective WARNING DO NOT return the unit to the customer until the problem is located and co...

Page 27: ... by the manufacture CAUTION Before returning the unit to the customer make sure you make either 1 a leakage current check or 2 a line to chassis resistance check If the leakage current exceeds 0 5 milliamps or if the resistance from chassis to either side of the power card is less than 460kohms the unit is defective WARNING DO NOT return the unit to the customer until the problem is located and co...

Page 28: ... by the manufacture CAUTION Before returning the unit to the customer make sure you make either 1 a leakage current check or 2 a line to chassis resistance check If the leakage current exceeds 0 5 milliamps or if the resistance from chassis to either side of the power card is less than 460kohms the unit is defective WARNING DO NOT return the unit to the customer until the problem is located and co...

Page 29: ...ture CAUTION Before returning the unit to the customer make sure you make either 1 a leakage current check or 2 a line to chassis resistance check If the leakage current exceeds 0 5 milliamps or if the resistance from chassis to either side of the power card is less than 460kohms the unit is defective WARNING DO NOT return the unit to the customer until the problem is located and corrected SIGNAL ...

Page 30: ...TION Before returning the unit to the customer make sure you make either 1 a leakage current check or 2 a line to chassis resistance check If the leakage current exceeds 0 5 milliamps or if the resistance from chassis to either side of the power card is less than 460kohms the unit is defective WARNING DO NOT return the unit to the customer until the problem is located and corrected SIGNAL LINE B L...

Page 31: ...acture CAUTION Before returning the unit to the customer make sure you make either 1 a leakage current check or 2 a line to chassis resistance check If the leakage current exceeds 0 5 milliamps or if the resistance from chassis to either side of the power card is less than 460kohms the unit is defective WARNING DO NOT return the unit to the customer until the problem is located and corrected SIGNA...

Page 32: ...acture CAUTION Before returning the unit to the customer make sure you make either 1 a leakage current check or 2 a line to chassis resistance check If the leakage current exceeds 0 5 milliamps or if the resistance from chassis to either side of the power card is less than 460kohms the unit is defective WARNING DO NOT return the unit to the customer until the problem is located and corrected SIGNA...

Page 33: ...acture CAUTION Before returning the unit to the customer make sure you make either 1 a leakage current check or 2 a line to chassis resistance check If the leakage current exceeds 0 5 milliamps or if the resistance from chassis to either side of the power card is less than 460kohms the unit is defective WARNING DO NOT return the unit to the customer until the problem is located and corrected SIGNA...

Page 34: ...acture CAUTION Before returning the unit to the customer make sure you make either 1 a leakage current check or 2 a line to chassis resistance check If the leakage current exceeds 0 5 milliamps or if the resistance from chassis to either side of the power card is less than 460kohms the unit is defective WARNING DO NOT return the unit to the customer until the problem is located and corrected SIGNA...

Page 35: ...s recommended by the manufacture CAUTION Before returning the unit to the customer make sure you make either 1 a leakage current check or 2 a line to chassis resistance check If the leakage current exceeds 0 5 milliamps or if the resistance from chassis to either side of the power card is less than 460kohms the unit is defective WARNING DO NOT return the unit to the customer until the problem is l...

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