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PMA-2000AE

IDLING ADJUSTMENT

IDLING CURRENT

Setup

1. Lay the unit at an ordinary position away from a direct current from an air condition or fan. Do the adjustment at a

temperature between 15°C (59°F) and 30°C (86°F).

2. Set control as follows.

POWER SWITCH

OFF (

VOLUME CONTROL

Fully counterclockwise in the minimum position (

(Main Volume and Semifixed resistors [VR501, VR502])

SPEAKER Terminals

Open: do not connect the speakers, dummy load etc.

Adjustment

1. Remove top cover. And then connect DC Voltmeter to test points of 1U-3707-1 (Lch) and 1U-3707-2 (Rch) Power Amp

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 ±5mV.

3. Then after 2 minutes warmup adjust VR501 and VR502 so that the DC Voltmeter reads 12±5mV.

4. And after 10 minutes warmup adjust VR501 and VR502 so that the DC Voltmeter reads 12±5mV.

DC Voltmeter

Main Volume

1U-3707-2
Power Amp P.W.B. (R)

VR502

1U-3707-1

Power Amp P.W.B. (L)

VR501

Power

Trans

Power

Trans

Содержание PMA-2000AE

Страница 1: ...ている注意事項を必ずお守りください本機の仕様は性能改良のため予告なく変更することがあります補修用性能部品の保有期間は製造打切後 8年です Some illustrations using in this service manual are slightly different from the actual set Please use this service manual with referring to the operating instructions without fail For purposes of improvement specifications and design are subject to change without notice 修理の際は必ず取扱説明書を参照の上作業を行ってください本文中に使用しているイラストは説明の都合上現...

Страница 2: ...erminal headphones terminal microphone terminal input terminal etc is 1MΩ or greater If it is less the set must be inspected and repaired Concerning important safety parts Many of the electric and structural parts used in the set have special safety properties In most cases these properties are difficult to distinguish by sight and using replacement parts with higher ratings rated power and withst...

Страница 3: ...dummy load etc Adjustment 1 Remove top cover And then connect DC Voltmeter to test points of 1U 3707 1 Lch and 1U 3707 2 Rch Power Amp 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 5mV 3 Then after 2 minutes warmup adjust VR501 and VR502 so that the DC Voltmeter reads ...

Страница 4: ...4 PMA 2000AE BLOCK LEVEL DIAGRAM ...

Страница 5: ...I P74 P20 INTS STOP 3 4 0 SO P75 P21 XIN 2 4 1 HSCK P76 P22 XOUT 1 4 2 HSO P77 VDD Power Supply Terminal Reset I O Terminal Test Terminal VDD VSS RESET TEST High Freq Oscillator Connection Terminal XIN P22 P20 I O Port VAREF ALU PSW Stack Pointer Interrupt Control Circuit Program Counter Program Memory ROM Data memory RAM Unviersal register Blank Flag RBS System Control Circuit Standby Control Cir...

Страница 6: ...8 RESET RESET 19 XIN X tal 20 XOUT X tal 21 Vss VAss GND 22 VAREF to VDD 23 P60 I C MODE SETTING INPUT MODE 24 P61 I C 25 P62 I C 26 P63 I C FUNCTION SELECT FUNCTION OR SW INPUT 27 P64 I C 28 P65 O C MUTING SIGNAL INPUT MUTE 29 P66 O C 30 P67 O C 31 P10 INT0 I C PROTECTOR INPUT 32 P11 INT1 I C POWER OFF 33 P12 INT2 O C MOTOR VOLUME DOWN 34 P13 O C 35 P14 O C 36 P15 O C 37 P16 O C 38 P17 O C 39 P20...

Страница 7: ...ONT VIEW B C E FRONT VIEW B C E FRONT VIEW B C E DTC143ES DTC144WS 47kohm 22kohm R1 R2 R1 R2 E C B LB1639 IC902 PQ1CG41H2FZ IC903 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 PNP Type DTA114ES R1 R2 10kohm 10kohm DTA114ES GP1U271XK Remote Control Sensor IC904 GND Vcc Vout Head Amp Limiter Amp BPF Detector Comparator Integrator...

Страница 8: ...ed Green TOP VIEW 2SJ78 FRONT VIEW G S D 2SK373 Y FRONT VIEW S GD 2SK184C GR BL 2SK369 BL GR C FRONT VIEW D 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 SEL2915A Orange TOP VIEW SLR 342MG Green THYRISTOR THERMISTOR RED ANODE CATHODE GREEN ANODE ...

Страница 9: ...9 PMA 2000AE 1U 3707 INPUT CONTROL P W B UNIT PRINTED WIRING BOARD ...

Страница 10: ...10 PMA 2000AE 1U 3708 POWER AMP P W B UNIT 2 ...

Страница 11: ...11 PMA 2000AE 1U 3709 FLAT AMP P W B UNIT ...

Страница 12: ...stability type electrolytic CA Aluminum solid 1A 10V G 2 BP Non polar type electrolytic CS Tantalum electrolytic 1C 16V J 5 HR Ripple resistant type CQ Film 1E 25V K 10 DL For change and discharge CK Ceramic 1V 35V M 20 HF For assuring high requency CC Ceramic 1H 50V Z 80 U UL part CP Oil 2A 100V 20 C CSA part CM Mica 2B 125V P 100 W UL CSA type CF Metallized 2C 160V 0 F Lead wire forming CH Metal...

Страница 13: ...905 DTC143ES 4 7K 4 7K T TR622 00D 269 0020 906 DTC114ES 10K 10K T TR701 704 00D 275 0038 045 2SK369 BL GR C TR901 00D 269 0020 906 DTC114ES 10K 10K T TR902 00D 269 0046 906 DTA114ES 10K 10K T TR903 00D 269 0020 906 DTC114ES 10K 10K T TR904 00D 273 0303 910 2SC1740S S T TR907 00D 273 0303 910 2SC1740S S T TR908 00D 269 0020 906 DTC114ES 10K 10K T TR909 910 00D 269 0046 906 DTA114ES 10K 10K T TR911...

Страница 14: ... 254 4558 702 CE04W1H101MC RFS C319 00D 254 4557 952 CE04W1H470MT RFS C320 00D 255 4256 955 CQ93P2A103JT NH2 C321 322 00D 255 4251 976 CQ93P2A101JT NH2 C603 00D 255 4257 938 CQ93P2A223JT NH2 C604 00D 254 4576 700 CE04W1V222MC RE3 C605 00D 255 4257 938 CQ93P2A223JT NH2 C607 00D 254 4696 910 CE04W1HR22MT R2A C608 609 00D 254 4557 907 CE04W1H010MT RFS C610 00D 254 4701 902 CE04W0J331MT R2A C611 00D 2...

Страница 15: ...5 0343 032 3P CONN BASE KR PH CY051 nsp 00D 205 0276 057 5P EH CON BASE BU CY053 nsp 00D 205 0343 058 5P CONN BASE KR PH CY054 nsp 00D 205 0296 053 5P EH CON BASE YW CY061 nsp 00D 205 0233 061 6P EH CONNECTOR BASE CY062 nsp 00D 205 0321 067 6P CONNE BASE RED CY063 nsp 00D 205 0277 069 6P EH CON BASE RD CY065 nsp 00D 205 0343 061 6P CONN BASE KR PH CY068 nsp 00D 205 0543 065 6P CON BASE YEL CY151 n...

Страница 16: ... 2469 910 RD14B2E362JT AMRS R301 302 00D 241 2473 980 RD14B2E334JT AMRS R471 472 00D 241 2465 943 RD14B2E101JT AMRS R473 474 00D 241 2475 904 RD14B2E105JT AMRS R479 480 00D 241 2467 909 RD14B2E471JT AMRS R501 502 00D 241 2445 743 RD05A2H332JF RMG R503 506 00D 241 2469 949 RD14B2E472JT AMRS R507 508 00D 241 2466 926 RD14B2E221JT AMRS R509 510 00D 241 2450 796 RD05A2H105JF RMG R511 512 00D 241 2468 ...

Страница 17: ...2 C509 510 00D 255 4250 922 CQ93P2A150JT NH2 C515 516 00D 255 6188 005 CQ09S2B103J PPSC C517 518 00D 255 4252 975 CQ93P2A271JT NH2 C519 520 00D 255 4251 976 CQ93P2A101JT NH2 C521 524 00D 254 4558 715 CE04W1H221MC RFS C527 528 00D 255 4251 976 CQ93P2A101JT NH2 C529 534 00D 255 4256 955 CQ93P2A103JT NH2 C537 540 00D 254 4558 715 CE04W1H221MC RFS C541 542 00D 256 8036 006 CF93B2E104K WAG C545 548 00D...

Страница 18: ...SE 4 0A FF101 nsp 00D 202 0040 909 FUSE CLIP TAPE FH101 nsp 00D 202 0040 909 FUSE CLIP TAPE JK301 00D 204 8548 001 4P PIN JACK 18MM JK306 307 00D 204 8530 019 4P PIN JACK JK501 00D 204 8480 004 HEAD PHONE JACK SW RL101 00D 214 0229 008 RELAY FTR H2 TV 8 RL501 502 00D 214 0195 006 RELAY FTR F1 S101 00D 212 1176 002 POWER SWITCH TV 5 S201 00D 212 1163 002 1P PUSH SW 2 6 S602 00D 212 1163 002 1P PUSH...

Страница 19: ... 00D 241 2475 904 RD14B2E105JT AMRS R423 424 00D 241 2466 926 RD14B2E221JT AMRS R425 426 00D 241 2471 940 RD14B2E333JT AMRS R427 428 00D 241 2471 982 RD14B2E473JT AMRS R429 432 00D 244 2058 003 RS14B3A102JNBS RSFSV R433 434 00D 241 2466 968 RD14B2E331JT AMRS R435 436 00D 241 2467 941 RD14B2E681JT AMRS R437 438 00D 241 2475 904 RD14B2E105JT AMRS R439 440 00D 241 2469 965 RD14B2E562JT AMRS R441 442 ...

Страница 20: ...02MC RFS C841 844 00D 254 4515 716 CE04W1H102MC RGO OTHERS PARTS GROUP CX025 026 nsp 00D 205 0453 003 2P VH CONN BASE L CX052 nsp 00D 205 0653 052 5P VH CONNECTOR BASE CX057 nsp 00D 205 0278 055 5P EH CON BASE BK CX068 nsp 00D 205 0543 065 6P CON BASE YEL CY052 nsp 00D 205 0653 052 5P VH CONNECTOR BASE CY055 nsp 00D 205 0233 058 5P EH CONNECTOR BASE CY056 nsp 00D 205 0277 056 5P EH CON BASE RD CY0...

Страница 21: ...6 26 81 80 81 79 80 26 118 118 54 44 43 1 3 101 120 120 49 48 102 37 37 40 40 56 112 72 7 15 35 26 118 101 104 2 15 105 105 51 24 105 109 31 31 57 113 31 39 78 323 324 82 53 113 39 83 83 53 39 16 16 36 23 55 105 114 114 31 31 105 57 106 106 16 41 46 45 76 50 77 77 48 74 76 50 1 5 59 63 2 13 2 14 28 106 105 105 120 101 104 105 120 119 119 2 9 17 111 110 4pcs Twists twice 4pcs Parts marked with this...

Страница 22: ...1 7 00D 233 6553 009 POWER TRANS MINI E2 T 101 1 8 00D 212 4799 004 ROTARY REMOTE SWITCH 1 11 nsp 00D 411 2086 002 FRONT CHASSIS 1 12 nsp 00D 462 0089 054 BUSH 1 13 nsp 00D 412 5253 000 SHIELD PLATE 1 14 nsp 00D 462 0089 012 BUSH 1 15 nsp 00D 411 1346 248 TRANS CHASSIS 1 16 nsp 00D 462 0089 025 BUSH 3 17 nsp 00D 462 0089 038 BUSH 1 18 nsp 00D 105 1650 136 BACK PANEL 1 19 00D 205 1014 221 4P TERMIN...

Страница 23: ... BRACKET 2 73 nsp 00D 479 0021 007 SP WASHER 3 74 00D GEN 6962 TOP COVER SUB 1 75 nsp 00D 209 0325 007 SHORT PIN 2 76 nsp 00D 417 0540 205 CU PLATE 2 77 nsp 00D 477 0096 007 PUSH RIVET 8 78 nsp 00D 415 0847 012 PVC SHEET 1 79 nsp 00D 415 0847 009 PVC SHEET 1 80 nsp 00D 414 0907 001 SAFETY COVER 2 81 nsp 00D 449 0139 105 COVER HOLDER 8 82 00D 342 0027 000 FERRITE CORE 1 83 00D 255 4254 012 CQ93P2A1...

Страница 24: ...5P VH VH CON CORD CN052 313 nsp 00D 204 0519 012 6P EH EH CON CORD CN061 314 nsp 00D 204 0493 015 6P EH EH SHIELD CN063 315 nsp 00D 204 0493 028 6P EH EH SHIELD CN064 316 nsp 00D 204 0379 029 6P KR KR RIBBON 325 CN068 317 nsp 00D 204 0379 032 6P KR KR RIBBON 350 CN062 318 nsp 00D 204 0379 032 6P KR KR RIBBON 350 CN067 319 nsp 00D 204 0379 090 6P KR KR RIBBON 500 CN065 320 nsp 00D 204 0378 017 6P K...

Страница 25: ... supplying or in some case supplying of part may be refused Ref No nsp Part No Part Name Remarks Q ty New 201 nsp 00D 505 8006 019 ENVELOPE 1 202 00D 206 2215 006 AC CORD E1 10A INLET 1 203 00D 511 4369 001 INST MANUAL 1 204 nsp 00D 515 0921 500 S S LIST EX 1 205 00D 399 0992 005 RC998 1 206 BATTERY R03X2 1 207 nsp 00D 504 0192 106 CABINET SHEET 1 208 nsp 00D 502 0944 002 CUSHION ASS Y 1 209 nsp 0...

Страница 26: ...26 PMA 2000AE WIRING DIAGRAM ...

Страница 27: ...S IN OHM k 1 000 OHM M 1 000 000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD p MICRO MICRO FARAD EACH VOLTAGE AND CURRENT ARE MEASURED AT NO SIGNAL INPUT CONDITION CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE 5 NOTICE GND of signal circuit is connected to GND of control cir cuit through chassis In observing signals detaching the INPUT P W B or the CONTROL P W B from the chassis pleas...

Страница 28: ... SCHEMATIC DIAGRAMS 1 3 1U 3707 INPUT CONTROL P W B UNIT For E2 model SCHEMATIC DIAGRAMS 1 3 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H PMA 2000AE E2 model 2 Addition of R701 704 C301 310 C321 C322 C701 C702 C709 C710 and L701 704 ...

Страница 29: ...00AE SIGNAL LINE SCHEMATIC DIAGRAMS 2 3 1U 3708 POWER AMP P W B UNIT For E2 model SCHEMATIC DIAGRAMS 2 3 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H PMA 2000AE E2 model 2 Addition of R479 R480 C477 C478 and C563 570 ...

Страница 30: ...30 PMA 2000AE SIGNAL LINE SCHEMATIC DIAGRAMS 3 3 1U 3709 FLAT AMP P W B UNIT For E2 E1C model SCHEMATIC DIAGRAMS 3 3 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H PMA 2000AE E2 model ...

Страница 31: ... 3 2 FLAT AMP UNIT COMPLEX 1 4 FUSE 4 0A COMPLEX 1 7 POWER TRANS MINI E2 COMPLEX 1 8 ROTARY REMOTE SWITCH COMPLEX 1 11 FRONT CHASSIS STEEL 1 12 BUSH NYLON 1 13 SHIELD PLATE STEEL 1 14 BUSH NYLON 1 15 TRANS CHASSIS STEEL 1 16 BUSH NYLON 3 17 BUSH NYLON 1 18 BACK PANEL STEEL 1 19 4P TERMINAL ASSY COMPLEX 2 22 TERMINAL ASS COMPLEX 1 23 SUPPORT BRACKET L STEEL 1 24 SUPPORT BRACKET R STEEL 1 25 SHIELD ...

Страница 32: ...5 SHORT PIN COMPLEX 2 76 CU PLATE CU 2 77 PUSH RIVET PA 8 78 PVC SHEET PVC 1 79 PVC SHEET PVC 1 80 SAFETY COVER PC 2 81 COVER HOLDER PC 8 82 FERRITE CORE COMPLEX 1 83 CQ93P2A102J NH2 COMPLEX 8 323 VINYL WIRE COMPLEX 1 324 VINYL WIRE COMPLEX 1 SCREW 101 3X8 CBTS B B STEEL 48 102 4X8 CBTS S B STEEL 10 103 3X10 CBTS P B STEEL 8 104 FIXING SCREW STEEL 7 105 3X8 CBTS S B STEEL 27 106 3X8 CUP SCREW STEE...

Страница 33: ...5 34 101 105 101 101 33 38 38 39 71 73 72 70 26 26 81 80 81 79 80 26 118 118 54 44 43 1 3 101 120 120 49 48 102 37 37 40 40 56 112 72 7 15 35 26 118 101 104 2 15 105 105 51 24 105 109 31 31 57 113 31 39 78 323 324 82 53 113 39 83 83 53 39 16 16 36 23 55 105 114 114 31 31 105 57 106 106 16 41 46 45 76 50 77 77 48 74 76 50 1 5 59 63 2 13 2 14 28 106 105 105 120 101 104 105 120 119 119 2 9 17 111 110...

Страница 34: ...OPPER 3 COPPER 4 PET 5 PET 6 PET 7 PAPER 8 PET 9 PET 10 PET 11 PET 12 PET 13 PBT 14 PET 15 PAPER 16 PET 17 COMPLEX 18 PET 19 PET 20 PBT 21 STEEL 22 STEEL 23 STEEL 24 COMPLEX 25 COMPLEX 26 COMPLEX 27 COMPLEX 28 COMPLEX 29 STEEL 30 COPPER No Material 1 PBTP 2 PA 3 PA 4 COPPER WIRE 5 PET 6 PET 7 PET 8 COMPLEX 9 COPPER ALLOY 10 STEEL 11 STEEL ...

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