Yamaha DSP-A595a Manual de servicio descargar pdf

SERVICE MANUAL

IMPORTANT NOTICE

This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.

It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA

Products, are already known and understood by the users, and have therefore not been restated.

WARNING: Failure to follow appropriate service and safety procedures when servicing this product

may result in personal injury, destruction of expensive components, and failure of the

product to perform as specified. For these reasons, we advise all YAMAHA product

owners that any service required should be performed by an authorized YAMAHA

Retailer or the appointed service representative.

IMPORTANT:The presentation or sale of this manual to any individual of firm does not constitute

authorization, certification or recognition of any applicable technical capabilities,

or establish a principle-agent relationship of any form.

The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research,

engineering, and service departments of YAMAHA are continually striving to improve YAMAHA products.

Modifications are, therefore, inevitable and specifications are subject to change without notice or obligation

to retrofit. Should any discrepancy appear to exist, please contact the distributor's Service Division.

WARNING: Static discharges can destroy expensive components. Discharge any static electricity

your body may have accumulated by grounding yourself to the ground buss in the unit

(heavy gauge black wires connect to this buss).

IMPORTANT:Turn the unit OFF during disassembly and part replacement. Recheck all work before

you apply power to the unit.

100678

AV AMPLIFIER

DSP-A595a

TO SERVICE PERSONNEL ........................................... 1

REMOTE CONTROL PANELS ....................................... 1

REAR PANELS ............................................................... 2

SPECIFICATIONS....................................................... 3~4

INTERNAL VIEW ............................................................ 5

DISASSEMBLY PROCEDURES .................................... 5

SELF DIAGNOSIS FUNCTION ................................ 6~17

FACTORY PRESET ...................................................... 18

■ CONTENTS

AMP ADJUSTMENT ..................................................... 19

IC DATA .................................................................. 20~30

DISPLAY DATA ........................................................... 31

BLOCK DIAGRAM .................................................. 32~33

PRINTED CIRCUIT BOARD ................................... 34~47

SCHEMATIC DIAGRAM ......................................... 48~53

PARTS LIST ............................................................ 54~67

REMOTE CONTROL TRANSMITTER ......................... 68

1 2 3 4 5 6 ... 57 58

Indice de contenidos

Pagina 1 - DSP-A595a

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

Pagina 2 - ■ REMOTE CONTROL PANELS

9DSP-A595a● Selection by using the remote control unitThe remote control codes in the menu list (see right columnon page 6) correspond to the DSP prog

Pagina 3 - ■ REAR PANELS

10DSP-A595a4. CONTENTS OF DIAGNOSIS FUNCTIONThis section describes the contents of the self diagnosis function in detail. No.1 ANALOG THROUGHThe input

Pagina 4 - ■ SPECIFICATIONS

11DSP-A595aNo.2 DSP THROUGHThe input is automatically discriminated by signal detection and switched with priorities AC-3 (DOLBY DIGITAL)>DTS Digit

Pagina 5

12DSP-A595aNo.3 AC-3/DTS THROUGHThe input is digital signal only. AC-3 (DOLBY DIGITAL) or DTS Digital Surround decoding operation is executed, accordi

Pagina 6 - ■ INTERNAL VIEW

13DSP-A595aNo.5 SPEAKERS SETThe input is automatically discriminated by AC-3(DOLBY DIGITAL)>DTS Digital Surround>PCM Audio>analog. There are

Pagina 7 - SELF DIAGNOSIS FUNCTION

14DSP-A595aNo.6 DISPLAY CHECKCheck program for FL display. The display status will change as follows with submenu operation. The signal isprocessed wi

Pagina 8 - 2. BEGINNING AND CANCELLATION

15DSP-A595aNo.9 AD DATA CHECKThe A/D conversion values of the main CPU which detects key scan, protection, etc. are displayed in % (100%: 5V).All sign

Pagina 9 - 1 DVD/LD DC : 19%

16DSP-A595aNo.10 STATUS FROM DSP MICOMThe status data from the DSP microprocessor is sequentially displayed in a hexadecimal number.All signal process

Pagina 10 - (3) Diagnosis default status

17DSP-A595a11 DVD/LD S-VER:Z08BMain microprocessor check sumDSP microprocessor check sumMain microprocessor versionDSP microprocessor versionOne suff

Pagina 11 - 1 DVD/LD MAIN BYPAS

18DSP-A595a FACTORY PRESETAll of the system settings are initially set from the factory as follows.● INPUT (VIDEO)DVD/LD (DVD/LD)● EFFECT LEVELEFFECT

Pagina 12 - 2 DVD/LD DSP FULL

1DSP-A595a TO SERVICE PERSONNEL1. Critical Components information.Components having special characteristics are marked and must bereplaced with parts

Pagina 13 - 4 DVD/LD EFFECT OFF

19DSP-A595aConfirmation of Idling Current of Main Amplifier•Right after power is turned on, confirm that the voltage across theterminals of R688(Main

Pagina 14 - No.5 SPEAKERS SET

20DSP-A595aIC800 : LC876564A-5M198 bit Main µ-COM IC DATAS47/PF7S46/PF6S45/PF5S44/PF4S43/PF3S42/PF2S41/PF1S40/PF0VDD4S39/PE7S38/PE6S37/PE5S36/PE4S35

Pagina 15 - No.6 DISPLAY CHECK

21DSP-A595aIC800 : LC876564A-5M198 bit Main µ-COMPin PinPort I/O FunctionNo. Name1 P16 FLA-CLK I/O Flash clock2 P17 FLA-I/O I/O Flash input/output3 P

Pagina 16

22DSP-A595aIC800 : LC876564A-5M198 bit Main µ-COMPin PinPort I/O FunctionNo. Name51 VP VP52 S20/PC4 P5 O FL Segment 553 S21/PC5 P6 O FL Segment 654 S

Pagina 17 - No.10 STATUS FROM DSP MICOM

23DSP-A595aIC14 : LC875164A-5K208 bit Sub µ-COMPB7P07P27/INT5P26/INT5P25/INT5P24/INT5P23/INT4P22/INT4P21/INT4P20/INT4P06P05P04P03P02P01P00VSS2VDD2PWM0

Pagina 18

24DSP-A595aPin PinPort I/O FunctionNo. Name1 PA3 CDO I Receive data from DIR22 PA4 /ICDI O Initial clear for DIR23 PA5 /KM1 O Switching DIR2 forced (a

Pagina 19 - ■ FACTORY PRESET

25DSP-A595aIC3 : YM3436DK (DIR2)Digital Format Interface ReceiverPin PinI/O FunctionNo. Name1 DAUX I Auxiliary input for audio data2 HDLT O Asynchrono

Pagina 20 - ■ AMP ADJUSTMENT

26DSP-A595aIC4 : YSS918D-F (AC3D2av)DSP + AC-3 (Digital Dolby)/Pro Logic/DTS Digital Surround DecoderVSSRAMD7RAMD6RAMD5RAMD4RAMD3RAMD2RAMD1RAMD0VDD1R

Pagina 21 - ■ IC DATA

27DSP-A595aIC4 : YSS918D-F (AC3D2av)DSP + AC-3 (Digital Dolby)/Pro Logic/DTS Digital Surround DecoderNo. Name I/O Function1 VDD1 +5V power supply 2 R

Pagina 22

28DSP-A595aIC4 : YSS918D-F (AC3D2av)DSP + AC-3 (Digital Dolby)/Pro Logic/DTS Digital Surround Decoder51 VDD2 +3V power supply52 NONPCM O non-PCM data

Pagina 23 - RDS SELECT 010

2DSP-A595a▼ T model▼ B model▼ G model▼ R model REAR PANELS

Pagina 24 - TOP VIEW

29DSP-A595aIC5 : M5M51288BKJ-20LTEL (1M SRAM)131072-word x 8 bit High Speed Static RAMNCA3A4A5A6A7A8A9A10A11A12A13D1D2D3GND12345678910111213141516VCCA

Pagina 25

DSP-A595a30 DISPLAY DATA● V800 : 16-BT-59GK (V2421800) • GRID ASSIGNMENT • PIN CONNECTION • ANODE CONNECTIONy1PATTERN AREA18P1617P1716P1815P1914P2013

Pagina 26

DSP-A595a32 33 BLOCK DIAGRAM101121206CHSELECTORIC102262527654897222324OPERATIONKEYSW802~806,810~815,817,822~82412422931821275029472311269017467651RES

Pagina 27

DSP-A595aE-34/J-32 E-35/J-33BACDEFHG123456 PRINTED CIRCUIT BOARD (Foil side)P. C. B. DSP P. C. B. DSPRef. No. LocationD1 F3D2 F3D3 G4D4 G4D5 G4D6 G

Pagina 28 - IC4 : YSS918D-F (AC3D2av)

DSP-A595a12515 1025 20343045 40 395560616465 50 36371303150518081100VOVCGLC876564A-5M195VRESETCOMBAMGDATASELCLKRDTDEST/RDOTCETMUTESTMMTSCKIFMGVDNPRV2S

Pagina 29

DSP-A595aE-38/J-36BACDEFHG123456 PRINTED CIRCUIT BOARD (Foil side)E-39/J-37 • J, R and T modelsP. C. B. OPERATION (3) • B and G modelsP. C. B.

Pagina 30

DSP-A595aRRBRARALBLLLERRRERELLLELERRBRARALBLLLEW761#16#16W701RRRERELLLELEW503W504#14#14W803PHONESOUTPUTMAINLBASPEAKERSON OFFB, G models onlyB, G m

Pagina 31 - ■ DISPLAY DATA

DSP-A595aE-42/J-40 E-43/J-41BA CDEFG123456 PRINTED CIRCUIT BOARD (Foil side)P. C. B. MAIN (6)P. C. B. MAIN (3)P. C. B. MAIN (4)P. C. B. MAIN (7)H●

Pagina 32 - ■ BLOCK DIAGRAM

DSP-A595aHE-44/J-42BACDEFG123456 PRINTED CIRCUIT BOARD (Foil side)E-45/J-43P. C. B. INPUT (1)● Semiconductor LocationRef. No.D101D102D103D104IC101I

Pagina 33 - TO: INPUT (3)

DSP-A595aE-46/J-44BACDEFHG123456 PRINTED CIRCUIT BOARD (Foil side)E-47/J-45P. C. B. VIDEOP. C. B. INPUT (4)P. C. B. INPUT (3)● Semiconductor Locati

Pagina 34 - 2V SAMPLE 50ns

3DSP-A595a SPECIFICATIONS AUDIO SECTIONMinimum RMS Output Power Per Channel(Power Amp. Section)MAIN L/R, REAR L/R20Hz to 20kHz, 0.04% THD, 8Ω 65W+65W

Pagina 35 - VOLTAGE SELECTOR

DSP-A595aH47BACDEFG123456 SCHEMATIC DIAGRAM (VIDEO)48E-48/J-46E-49/J-47★All voltages are measured with a 10MΩ/V DC electric volt meter.★Components ha

Pagina 36 - P. C. B. MAIN (2)

A12345678910DSP-A595aBC DE FG H I J K L MN★All voltages are measured with a 10MΩ/V DC electric volt meter.★Components having special characteristics a

Pagina 37 - TO: MAIN (1)

A12345678910DSP-A595aBC DE FG H I J K L MN★All voltages are measured with a 10MΩ/V DC electric volt meter.★Components having special characteristics a

Pagina 38 - P. C. B. INPUT (1)

A12345678910DSP-A595aBC DE FG H I J K L MN★All voltages are measured with a 10MΩ/V DC electric volt meter.★Components having special characteristics a

Pagina 39 - B, G only

A12345678910DSP-A595aBC DE FG H I J K L MN★All voltages are measured with a 10MΩ/V DC electric volt meter.★Components having special characteristics a

Pagina 40 - VIDEO SELECTOR

54DSP-A595aPARTS LIST ELECTRICAL PARTSABBREVIATIONS IN THIS LIST ARE AS FOLLOWS:C. A. EL. CHP : CHIP ALUMI. ELECTROLYTIC CAPC. CE : CERAMIC CAPC.

Pagina 41 - STROBE GENERATOR

55DSP-A595a P. C. B. DSPSchmRefPART NO. Description✻ New Parts✻ New PartsSchmRefPART NO. DescriptionV4035900 P.C.B. DSPCB1 VQ044200 CN.BS.PIN 6PCB3 VQ

Pagina 42 - ■ SCHEMATIC DIAGRAM (MAIN)

56DSP-A595aSchmRefPART NO. Description✻ New Parts✻ New PartsSchmRefPART NO. DescriptionP. C. B. DSP & P. C. B. VIDEOC122 UA952100 C.MYLAR 100pF

Pagina 43 - POWER SUPPLY

57DSP-A595aP. C. B. VIDEO & P. C. B. MAINSchmRefPART NO. Description✻ New Parts✻ New PartsSchmRefPART NO. DescriptionC320 VF467000 C.CE.TUBLR 10

Pagina 44 - ■ SCHEMATIC DIAGRAM (DSP)

58DSP-A595aP. C. B. MAINSchmRefPART NO. Description✻ New Parts✻ New PartsSchmRefPART NO. DescriptionC555 VR325000 C.MYLAR 100pF 100VC556 UR867470 C.EL

Pagina 45 - PARTS LIST

4DSP-A595a● DIMENSIONSUnits: mm (inch)21.5(7/8")435(17-1/8")349.5(13-3/4")391(15-3/8")130(5-3/32")151(5-15/16")20(13/16&

Pagina 46 - P. C. B. DSP

59DSP-A595aP. C. B. MAINSchmRefPART NO. Description✻ New Parts✻ New PartsSchmRefPART NO. DescriptionQ523 iC174020 TR 2SC1740S R,SQ524 iC174020 TR 2SC1

Pagina 47

60DSP-A595aP. C. B. MAIN & P. C. B. INPUTSchmRefPART NO. Description✻ New Parts✻ New PartsSchmRefPART NO. DescriptionRY503 VK438300 RELAY DH24D2

Pagina 48

61DSP-A595aP. C. B. INPUTSchmRefPART NO. Description✻ New Parts✻ New PartsSchmRefPART NO. DescriptionC180 UR837470 C.EL 47uF 16VC181 UR837470 C.EL 47u

Pagina 49 - P. C. B. MAIN

62DSP-A595aSchmRefPART NO. Description✻ New Parts✻ New PartsSchmRefPART NO. DescriptionP. C. B. INPUT & P. C. B. OPERATIONPJ352 VY667700 JACK.PI

Pagina 50

63DSP-A595aSchmRefPART NO. Description✻ New Parts✻ New PartsSchmRefPART NO. DescriptionP. C. B. OPERATIOND811 VD631600 DIODE 1SS133,176,HSS104D812 VM9

Pagina 51

64DSP-A595a✻ New PartsSchmRefPART NO. Description Chip ResistorsRD250000 R.CAR.CHP 0Ω 1/10WRD254470 R.CAR.CHP 47Ω 1/10WRD255100 R.CAR.CHP 100Ω 1/10WR

Pagina 52 - P. C. B. INPUT

65DSP-A595aBACD123456 EXPLODED VIEWB modelG modelJKAss'yVRAss'ySWAss'yVRAss'y(5)(4)(4)(2)(6)(4)(7)(7)(8)(2)(1)(3)(3)(6)(3)(1)

Pagina 53

DSP-A595aRef.No.PART NO.Description Remarks Markets✻ New PartsRef.No.PART NO.Description Remarks Markets✻ New Parts66 67 MECHANICAL PARTS1- 1 V382700

Pagina 54 - P. C. B. OPERATION

DSP-A595a REMOTE CONTROL TRANSMITTERSCHEMATIC DIAGRAM67– – – – : No Code ID# : RAV174/RAV175List of the fixed codeKeyNo.Key NameMODEID #TV Cable/DSS

Pagina 55 - ■ Chip Resistors

5DSP-A595a DISASSEMBLY PROCEDURES(Remove parts in disassembly order as numbered.)1. Removal of Top CoverRemove 4 screws (1) and 4 screws (2) in Fig.

Pagina 56 - ■ EXPLODED VIEW

6DSP-A595a SELF DIAGNOSIS FUNCTION1. PURPOSE AND OPERATIONThe DSP-A595a has a Self Diagnosis Function to locate a faulty part, if any, by inspecting

Pagina 57 - ■ MECHANICAL PARTS

7DSP-A595aSTANDBY/ON+–SETMENUTIME/LEVELINPUT MODE1.2.3.4.5.6.7.EFFECT LEVEL :MUTING : OFFINPUT (VIDEO) : DVD/LD (DVD/LD)CENTER SPEAKER : LARGEREAR SPE

Pagina 58 - Carbon Resistors

8DSP-A595a● History of protection functionEach case of the history of the protection function is displayed as shown below.Appears when the protection