Denon PMA-2000IVR User Manual

Hi-Fi Integrated Stereo AmplifierSERVICE MANUALMODEL PMA-2000IVRINTEGRATED STEREO AMPLIFIER Some illustrations using in this service manual are sligh

1 51511 81851 51515121 21 311014581 5161811610131101415COMPONENT SIDE87654321ABCDE101U-3432 POWER AMP P.W.B. UNIT Ass'yPMA-2000IVRPRINTED WIRING

111 3106145811 31 111018916131514151615131 31 31 101 111458151212242COMPONENT SIDE87654321ABCDEPMA-2000IVR111U-3130 INPUT P.W.B. UNIT Ass'y

1515110131 3COMPONENT SIDE87654321ABCDE121U-3433 FLAT AMP P.W.B. UNIT Ass'yPMA-2000IVR

13PMA-2000IVRttttlllll ResistorsEx.: RN 14K 2E 182 G FRType Shape Power Resist- Allowable Othersand per- ance errorformancettttssss Resistance1 8 2

14PMA-2000IVRPARTS LIST OF P.W.B. UNIT ASS'Y1U-3432 POWER AMP UNIT ASS'YRef. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Rema

15PMA-2000IVRRef. No. Part No. Part Name RemarksF101 206 1046 043 Fuse 10A KEU 1F108,109 206 1046 027 Fuse 5A KEU 2F108,109 206 1015 016 Fuse 1.25A G2

16PMA-2000IVRRef. No. Part No. Part Name RemarksRef. No. Part No. Part Name Remarks1U-3130H INPUT UNIT ASS'YSEMICONDUCTORS GROUPIC701 263 0322 00

17PMA-2000IVRRef. No. Part No. Part Name RemarksRef. No. Part No. Part Name RemarksC603 255 4257 938Polypropylene film 0.022uF/100VCQ93P2A223JT(NH2)C6

18PMA-2000IVRRef. No. Part No. Part Name RemarksRef. No. Part No. Part Name RemarksSEMICONDUCTORS GROUPTR401-404 275 0042 905 Transistor 2SK373(Y)TPE2

1-8113702711432331052610838103691151063774647101101101481-143115451-27485010110110910136182021201617342-1411131014110110110110139424265666610410410451

2PMA-2000IVRSPECIFICATIONS POWER AMPLIFIER SECTIONRated Output Power:Both channel driven(8 Ω/ohms Load) 80 W + 80 W20 Hz to 20kHz, T.H.D. 0.07 %(

21PMA-2000IVRRef. No. Part No. Part Name Remarks Q'ty83 461 0501 005 Rubber sheet 284 412 2814 015 Card spacer (L=14) 185 417 0540 205 CU plate 2

21PMA-2000IVRPACKING VIEWPARTS LIST OF PACKING & ACCESSORIESRef. No. Part No. Part Name Remarks Q'ty201 505 9102 019 Poly cover 1202 504 910

RELAYGNDDIRECTNCOUT-LGNDOUT-RIN-LGNDIN-RRELAYH/P-MUTEGNDNCRELAYAUX-2COMMON123456123456123456781234567812345678910RELAYAUX-2COMMON+15VGND-15VL-CHGNDR-

12.7V9.5V9.4V8.8V11.5V12.7V11.5V2323SCHEMATIC DIAGRAMS (1/3)1U-3130 INPUT UNITSCHEMATIC DIAGRAMS (1/3)1 2 3 4 5 6 7 8 9 10 11ABCDEFGHNOTICEALL RESISTA

12.7V9.5V9.4V8.8V11.5V12.7V11.5V2323SCHEMATIC DIAGRAMS (1/3)1U-3130 INPUT UNITSCHEMATIC DIAGRAMS (1/3)1 2 3 4 5 6 7 8 9 10 11ABCDEFGHNOTICEALL RESISTA

12.7V9.5V9.4V8.8V11.5V12.7V11.5V2323SCHEMATIC DIAGRAMS (1/3)1U-3130 INPUT UNITSCHEMATIC DIAGRAMS (1/3)1 2 3 4 5 6 7 8 9 10 11ABCDEFGHNOTICEALL RESISTA

12.7V9.5V9.4V8.8V11.5V12.7V11.5V2323SCHEMATIC DIAGRAMS (1/3)1U-3130 INPUT UNITSCHEMATIC DIAGRAMS (1/3)1 2 3 4 5 6 7 8 9 10 11ABCDEFGHNOTICEALL RESISTA

12.7V9.5V9.4V8.8V11.5V12.7V11.5V2323SCHEMATIC DIAGRAMS (1/3)1U-3130 INPUT UNITSCHEMATIC DIAGRAMS (1/3)1 2 3 4 5 6 7 8 9 10 11ABCDEFGHNOTICEALL RESISTA

12.7V9.5V9.4V8.8V11.5V12.7V11.5V2323SCHEMATIC DIAGRAMS (1/3)1U-3130 INPUT UNITSCHEMATIC DIAGRAMS (1/3)1 2 3 4 5 6 7 8 9 10 11ABCDEFGHNOTICEALL RESISTA

11V11V2424SCHEMATIC DIAGRAMS (2/3)1U-3432 POWER AMP UNITSCHEMATIC DIAGRAMS (2/3)1 2 3 4 5 6 7 8 9 10 11ABCDEFGHNOTICEALL RESISTANCE VALUES IN OHM. k=1

3PMA-2000IVRDISASSEMBLY (Do reverse manner when assembling.)Top CoverRemove 14 screws 1, 4 screws 2 and detach the Top Coverin the arrow direction.Top

11V11V2424SCHEMATIC DIAGRAMS (2/3)1U-3432 POWER AMP UNITSCHEMATIC DIAGRAMS (2/3)1 2 3 4 5 6 7 8 9 10 11ABCDEFGHNOTICEALL RESISTANCE VALUES IN OHM. k=1

11V11V2424SCHEMATIC DIAGRAMS (2/3)1U-3432 POWER AMP UNITSCHEMATIC DIAGRAMS (2/3)1 2 3 4 5 6 7 8 9 10 11ABCDEFGHNOTICEALL RESISTANCE VALUES IN OHM. k=1

11V11V2424SCHEMATIC DIAGRAMS (2/3)1U-3432 POWER AMP UNITSCHEMATIC DIAGRAMS (2/3)1 2 3 4 5 6 7 8 9 10 11ABCDEFGHNOTICEALL RESISTANCE VALUES IN OHM. k=1

11V11V2424SCHEMATIC DIAGRAMS (2/3)1U-3432 POWER AMP UNITSCHEMATIC DIAGRAMS (2/3)1 2 3 4 5 6 7 8 9 10 11ABCDEFGHNOTICEALL RESISTANCE VALUES IN OHM. k=1

11V11V2424SCHEMATIC DIAGRAMS (2/3)1U-3432 POWER AMP UNITSCHEMATIC DIAGRAMS (2/3)1 2 3 4 5 6 7 8 9 10 11ABCDEFGHNOTICEALL RESISTANCE VALUES IN OHM. k=1

25Lch SIGNAL LINERch SIGNAL LINE- B LINE+ B LINE87654321ABCDESCHEMATIC DIAGRAMS (3/3)2525SCHEMATIC DIAGRAMS (3/3)1U-3433 FLAT AMP UNITNOTICEALL RESIST

4PMA-2000IVRRear Panel1. Remove 5 screws 6, 6 screws 7 and 2 screws 8.2. Detach the Rear Panel in the arrow direction.Heat SinkAss'yHeat Sink Ass

5PMA-2000IVRIDLING CURRENT Setup1. Lay the unit at an ordinary position away from a direct current from an air condition or fan. Do the adjustmen

6PMA-2000IVR4321 5678DCBAEINPUTREC OUTPRE OUTMAIN INP. AMP DIRECT 0.9V(-1dB)CD etc.135mV(-17.4dB)PHONO MM 2.2mV(-53dB)PHONO MC 0.18mV(-75dB)PHONOCDTUN

SEMICONDUCTORS IC’sTMP87CC46N-4C08 (IC901)7PMA-2000IVR21 22(VASS)VSSVAREF20 23XOUT P60(AIN0)19 24XIN P61(AIN1)18 25RESET P62(AIN2)17 26TEST P63(A

8PMA-2000IVRBA4558 (IC701)NJM2082D (IC201)A OUTPUTA –INPUTA+INPUTVB OUTPUTVB –INPUTB +INPUT1234578612NPN TypeDTC114ESDTC143ZS10kohm10kohm4.7kohm 47koh

9PMA-2000IVR11EQS0631DQ061SS270AHZS2B-1HZS3B-2HZS5C-1HZS9B-1HZS11A-1HZS12A-1HZS30-1MTZJ3.3AMTZJ7.5AMTZJ7.5CMTZJ18ASLR-56VC (Red)TOP VIEW2SJ782SK215FRO