Yamaha HTR-5940BL Service Manual Page 1

SERVICE MANUAL100998IMPORTANT NOTICEThis manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.It has been

RX-V459/HTR-5940/DSP-AX459HTR-593510RX-V459/HTR-5940/DSP-AX459HTR-5935RAV322 REMOTE CONTROL PANELSRAV323RX-V459 (U, C models)HTR-5940 (U, C models)DS

11RX-V459/HTR-5940/DSP-AX459HTR-5935• DIMENSIONS / 寸法図 General / 総合Power Supply / 電源電圧U, C models ...

RX-V459/HTR-5940/DSP-AX459HTR-593512BASIC SETUPMANUAL SETUP1 SOUND MENU2 INPUT MENU3 OPTION MENUROOMSUBWOOFERSPEAKERSETUPCHECK OK?FRONT : LARGECENTER

13RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935 INTERNAL VIEWOPERATION (4) P.C.B.FUNCTION (2) P.C.B. FUNCTION (3) P.C.B. (R, L

14RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935 DISASSEMBLY PROCEDURES / 分解手順 (Remove parts in the order as numbered.)Disconne

15RX-V459/HTR-5940/DSP-AX459HTR-59353. Removal of FUNCTION (1) P.C.B.a. Remove 2 screws (6). (Fig. 2)b. Remove 7 screws (7). (Fig. 4)c. Remove CB200-2

RX-V459/HTR-5940/DSP-AX459HTR-593516 SELF DIAGNOSIS FUNCTION (DIAG)／自己診断機能（ダイアグ）This unit has self diagnosis functions that are intended forinspectio

17RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935Turn on the power while pressing these keys.これらのキーを同時に押しながら、パワーオンする。• Starting

18RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935When there is a history of protection function:The FL display appears as shown b

19RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935温度制限を越えた原因で、プロテクションが働いたことを示します。異常状態のままパワーオンすると、約1秒後にプロテクションが掛かり、電源が切れます。The prot

RX-V459/HTR-5940/DSP-AX459HTR-59352RX-V459/HTR-5940/DSP-AX459HTR-5935WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLEWARNING:

20RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935• Functions in DIAG modeIn addition to the DIAG menu items, functions as listedb

21RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935DIRLC89057DSP(DECODE)(POST PROCESSING)TI D70YA/DPCM1803DRAMFL / FRC / SWSL / SRS

22RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-59352. RAM THROUGHUsing the sub-menu, it is possible to select margin outputor full-

23RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-59354. SPEAKERS SETThe analog switch settings for each sub-menu are asshown in the t

24RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935Reference dataINPUT: DVD ANALOG (Both ch)SUBWOOFER OUTPUT: 50 Hz, Others: 1 kHzI

25RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-59355. XCH INPUTThe signal input through the multi ch input is output.The speaker im

26RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935Initial display / 初期表示All segments OFF / 全セグメント消灯All segments ON (dimmer 100%)

27RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-59358. MANUAL TESTThe test noise based THX is output to the channel speci-fied by th

28RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-593510. AD DATA CHECKThis menu is used to display the A/D conversion value ofthe Mic

29RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935PANEL KEY (K0/K1)(Panel key of main unit) [Remote control code: –]A/D of the key

RX-V459/HTR-5940/DSP-AX459HTR-59353RX-V459/HTR-5940/DSP-AX459HTR-5935無鉛ハンダにはいくつかの種類がありますが、修理時には下記のような無鉛ハンダの使用を推奨します。・Sn+Ag+Cu（錫+銀+銅）・Sn+Cu（錫+銅）・Sn+Zn+

30RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-59351k -1dB/32kThe test tone (1kHz, -1dB/32kHz) is output.1k -1dB/32kテストトーン（1kHz、-

31RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935Mute /32kNothing is output.Mute /32k何も出力されません。XM Tone/32kThe XM tone (32kHz) is

32RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-593516. IF STATUS (Input function status)Using the sub-menu, the status data is disp

33RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935DMD: Decoder mode informationNot applied to these models.DMD：デコーダー情報このモデルには適用されま

34RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-593517. DSP BUS CHECKThis menu is used to self-diagnose whether or not the busconnec

35RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-593521. SOFT SW 21. SOFT SWVIDEO FORMAT: NTSC or PAL can be selected. (SWMODE: Selec

36RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935ZONE2: NOT or EXIST can be selected. (SW MODE:Selectable when FNC has been selec

37RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-593522. SOFTWARE VERSIONThe version, checksum and the port specified by themicroproc

38RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935 AMP ADJUSTMENT / アンプ部調整0.1mV ~ 10.0mV(DC)0.1mV ~ 10.0mV(DC)R1149 (FRONT Lch)R1

39RX-V459/HTR-5940/DSP-AX459HTR-5935 DISPLAY DATANote : 1) Fn ... Filament pin 2) nG ... Grid pin 3) Pn ... Anode pin 4) NP ...

RX-V459/HTR-5940/DSP-AX459HTR-59354RX-V459/HTR-5940/DSP-AX459HTR-5935HTR-5940 (T, K, A, G, E models)DSP-AX459 (J model)HTR-5940 (U, C models)

RX-V459/HTR-5940/DSP-AX459HTR-593540HTR-5935 DISPLAY DATANote : 1) F1, F2 ... Filament pin 2) NP ... No pin 3) NX ... No extend pin

41RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935 IC DATAIC2 : M30625MHP-A98GP (DSP P.C.B.)Microprocessor8(3) (3) (3) (3)8882Por

42RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935IC2 : M30625MHP-A98GP (DSP P.C.B.)Microprocessor12345678910111213141516171819202

43RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935IC2 : M30625MHP-A98GP (DSP P.C.B.)MicroprocessorPowerOnPure DirectStandby Sleep5

44RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935PowerOnNo. Port NameTerminal NameI/OFunctionPure DirectStandby SleepIC2 : M30625

45RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935IC56 : LC89057W-VF4-E (DSP P.C.B)Digital Audio Interface TransceiverInputSelecto

46RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935No. Name I/O Function1 RXOUT O Input bi-phase selection data output pin2 RX0 Is

47RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935IC60 : D70YE101RFP250 (DSP P.C.B)Decoder/Post Processor* No replacement part ava

48RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935IC60 : D70YE101RFP250 (DSP P.C.B)Decoder/Post Processor1234567891011121314151617

49RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935IC60 : D70YE101RFP250 (DSP P.C.B)Decoder/Post ProcessorPIN NO. SIGNAL NAME TYPE(

RX-V459/HTR-5940/DSP-AX459HTR-59355RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459 (U, C models) REAR PANELSRX-V459 (R model)HTR-5935 (U model)

50RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-593511111211311411511611711811912012112212312412512612712812913013113213313413513613

51RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935 PIN CONNECTION DIAGRAM• ICs12425404164658032161171471 124363712251348361812412

52RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-593514711102014715012625110202548124SN74LV157APWRSN74LVU04APWRSN74LV245APWR TRAN TC4

ABCDEFGH I J1234567RX-V459/DSP-AX459/HTR-593553MD/CD-RMD/CD-RMULTI CH INPUTREC OUTXMDIGITALANALOGDVDDVDFL/FRMD/CDRDVRDVRDVDCDPORTABLEAUDIO L/RV-AUXFM/

2ABCDEFGH I J13457RX-V459/DSP-AX459/HTR-5935654DVDCVBSYCYCYCYDVDDTV/CBLDVRDTV/CBLV-AUXDVRDVDYPb/CbPr/CrYYCb CrPb/CbPr/CrL1/L2/L3RX-V459,DSP-AX459,HTR-

ABCDEFGH I J1234567RX-V459/DSP-AX459/HTR-593555OPERATION• See page 73 → SCHEMATIC DIAGRAMDSPPOWERTRANSFORMER• See page 69-71 → SCHEMATIC DIAGRAMDSP• S

2ABCDEFGH I J13457RX-V459/DSP-AX459/HTR-5935656C229C224C210TRIGERRM+TUNEDCMPSCKN/ICXMSCKPCEPMTHPMTCTMTZ2DTEVDTZ2+12DTEXFUNCTION (1)(CB200)RM-/STTMTSDR

ABCDEFGH I J1234567RX-V459/DSP-AX459/HTR-593557DSP P.C.B. (Side B) Lead Free Solder Used• Semiconductor LocationD1 D5D2 D5D3 D5D6 D5D9 D5Ref no. Locat

2ABCDEFGH I J13457RX-V459/DSP-AX459/HTR-5935658IPREXMREESLSWELADRIPLREMsenseXMLSBSRECREADLDSP(CB56)DSP (CB1)HPR/HPHGEHPLOPERATION (1)(W3002)OPERATION

ABCDEFGH I J1234567RX-V459/DSP-AX459/HTR-593559FUNCTION (1) P.C.B. Lead Free Solder Used(Side B)180404124 2565 6411632 1712 113 2411632 1741584158• Se

RX-V459/HTR-5940/DSP-AX459HTR-59356RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459 (A model)RX-V459 (K model)RX-V459 (T model)

2ABCDEFGH I J13457RX-V459/DSP-AX459/HTR-5935660FUNCTION (2) P.C.B. (Side A)FUNCTION (4) P.C.B. (Side A)FUNCTION (3) P.C.B. (Side A)YPB PR YPB PRDVDMON

ABCDEFGH I J1234567RX-V459/DSP-AX459/HTR-593561FUNCTION (2) P.C.B. Lead Free Solder Used(Side B)819161691816918148171691814817• Semiconductor Location

2ABCDEFGH I J13457RX-V459/DSP-AX459/HTR-5935662LROPERATION (1) P.C.B. (Side A)F1F2to TRANSFORMEROPERATION (6) P.C.B. (Side A)OPERATION (3) P.C.B. (Sid

ABCDEFGH I J1234567RX-V459/DSP-AX459/HTR-593563OPERATION (1) P.C.B. (Side B)OPERATION (3) P.C.B. (Side B) Lead Free Solder Used Lead Free Solder Used6

2ABCDEFGH I J13457RX-V459/DSP-AX459/HTR-5935664OPERATION (2) P.C.B. (Side A) OPERATION (2) P.C.B. (Side B)-5V+5VVEIPYIPV/VR1SDA/ICCNVSVIDD/CESSDTNVICV

ABCDEFGH I J1234567RX-V459/DSP-AX459/HTR-593565OPERATION (4) P.C.B. (Side A) OPERATION (4) P.C.B. (Side B) Lead Free Solder UsedOPERATION (5) P.C.B. (

2ABCDEFGH I J13457RX-V459/DSP-AX459/HTR-5935666D1061MAIN (2)(W1002B)+12-12THMPRV1FUNCTION (1)(CB206)RM-RM+TRIGFRECESRFUNCTION (1)(CB207)SLSBESWEFLDSP(

ABCDEFGH I J1234567RX-V459/DSP-AX459/HTR-593567MAIN (1)(CB115)MAIN (1)(CB114)MAIN (1)(W1000A)E+10+18E-18+IPODEEE-10MAIN (1)(W1002A)+12-12THMPRV1MAIN (

2ABCDEFGH I J13457RX-V459/DSP-AX459/HTR-5935668YST P.C.B.(Side A) Lead Free Solder UsedYST_LIMPRI_SWNFSWVSWYST+SWOUTYST--12+B+B-12+12EESWIMAIN (1) (CB

A12345678910BCDEFGH I JKL MNRX-V459/HTR-5940/HTR-5935/DSP-AX459SCHEMATIC DIAGRAMS69★ All voltages are measured with a 10MΩ/V DC electronic volt meter.

RX-V459/HTR-5940/DSP-AX459HTR-59357RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459 (G, E models)RX-V459 (L model)HTR-5940 (U, C models)

A12345678910BCDEFGH I JKL MNRX-V459/HTR-5940/HTR-5935/DSP-AX45970★ All voltages are measured with a 10MΩ/V DC electronic volt meter.★ Components havin

A12345678910BCDEFGH I JKL MNRX-V459/HTR-5940/HTR-5935/DSP-AX45971★ All voltages are measured with a 10MΩ/V DC electronic volt meter.★ Components havin

A12345678910BCDEFGH I JKL MNRX-V459/HTR-5940/HTR-5935/DSP-AX45972★ All voltages are measured with a 10MΩ/V DC electronic volt meter.★ Components havin

A12345678910BCDEFGH I JKL MNRX-V459/HTR-5940/HTR-5935/DSP-AX45973★ All voltages are measured with a 10MΩ/V DC electronic volt meter.★ Components havin

A12345678910BCDEFGH I JKL MN74★ All voltages are measured with a 10MΩ/V DC electronic volt meter.★ Components having special characteristics are marke

A12345678910BCDEFGH I JKL MN75★ All voltages are measured with a 10MΩ/V DC electronic volt meter.★ Components having special characteristics are marke

77RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935 REPLACEMENT PARTS LISTABBREVIATIONS IN THIS LIST ARE AS FOLLOWS:C.A.EL.CHP : C

78RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935Ref. No. Part No. Description Remarks Markets 部 品 名 RankP.C.B. DSP✻ New Parts ＊

79RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935Ref. No. Part No. Description Remarks Markets 部 品 名 RankP.C.B. DSP✻ New Parts ＊

80RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935Ref. No. Part No. Description Remarks Markets 部 品 名 RankP.C.B. DSP✻ New Parts ＊

RX-V459/HTR-5940/DSP-AX459HTR-59358RX-V459/HTR-5940/DSP-AX459HTR-5935HTR-5940 (A model)HTR-5940 (T model)HTR-5940 (K model)

81RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935Ref. No. Part No. Description Remarks Markets 部 品 名 RankP.C.B. DSP & P.C.B.

82RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935Ref. No. Part No. Description Remarks Markets 部 品 名 RankP.C.B. FUNCTION✻ New Par

83RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935Ref. No. Part No. Description Remarks Markets 部 品 名 RankP.C.B. FUNCTION✻ New Par

84RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935Ref. No. Part No. Description Remarks Markets 部 品 名 RankP.C.B. FUNCTION & P.

85RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935Ref. No. Part No. Description Remarks Markets 部 品 名 RankP.C.B. OPERATION✻ New Pa

86RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935Ref. No. Part No. Description Remarks Markets 部 品 名 RankP.C.B. OPERATION✻ New Pa

87RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935Ref. No. Part No. Description Remarks Markets 部 品 名 RankP.C.B. OPERATION & P

88RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935Ref. No. Part No. Description Remarks Markets 部 品 名 RankP.C.B. MAIN✻ New Parts ＊

89RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935Ref. No. Part No. Description Remarks Markets 部 品 名 RankP.C.B. MAIN✻ New Parts ＊

90RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-5935Ref. No. Part No. Description Remarks Markets 部 品 名 RankP.C.B. MAIN✻ New Parts ＊

RX-V459/HTR-5940/DSP-AX459HTR-59359RX-V459/HTR-5940/DSP-AX459HTR-5935HTR-5935 (U model)HTR-5940 (G, E models)DSP-AX459 (J model)

91RX-V459/HTR-5940/DSP-AX459HTR-5935Ref. No. Part No. Description Remarks Markets 部 品 名 RankRef. No. Part No. Description Remarks Markets 部 品 名 RankP.

2ABCDEFGH I J13457RX-V459/HTR-5940/DSP-AX459HTR-5935692J, U, C, R, T, L models K, A, G, E modelsU, C modelsHTR-5935 modelFront Panel Unit56(1)6(4)6(2)

93RX-V459/HTR-5940/DSP-AX459HTR-5935• OVERALL ASS’Y               

2ABCDEFGH I J13457RX-V459/HTR-5940/DSP-AX459HTR-5935694• FRONT PANEL UNIT• FRONT PANEL UNIT✻ New PartsRef. No.Part No. Description Remarks Mark

ABCDEFGH I J1234567RX-V459/HTR-5940/DSP-AX459HTR-593595• AMP UNIT • AMP UNIT✻ New PartsRef. No.Part No. Description Remarks Markets 部 品 名 Rank

2ABCDEFGH I J13457RX-V459/HTR-5940/DSP-AX459HTR-5935696R4R5R6R7R8R9R10R11R12R13R14LED2LED3LED4LED5LED6LTE3271TALED1MMST4403Q1LED7LED8LED9LED10LED11LED

ABCDEFGH I J1234567RX-V459/HTR-5940/DSP-AX459HTR-593597 REMOTE CONTROL RAV307: RX-V459 (R, T, K, A, G, E, L models), HTR-5940 (T, K, A, G, E models)R

RX-V459/HTR-5940/DSP-AX459HTR-593598

99RX-V459/HTR-5940/DSP-AX459HTR-5935RX-V459/HTR-5940/DSP-AX459HTR-593510mmHJ351/4W Type5mmHF851/6W TypeHF451/4W TypeValue 1/4W Type Part No. 1/6W Type

RX-V459/HTR-5940/DSP-AX459HTR-5935