Yamaha-DM-2000-E-Service-Manual-part-2电路原理图.pdf

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1、101 DM2000 F F Pattern side 3NA-V628520-3 1 RadioFans.CN 收音机爱 好者资料库 DM2000 102 to SUB-CN118 12345678 FADER 9 G G FD1 Circuit Board 3NA-V628660-2 1 RadioFans.CN 收音机爱 好者资料库 103 DM2000 CN118 to BRG -CN022 DER 910111213141516 G G Component side 3NA-V628660-2 1 DM2000 104 H H FD1 Circuit Board 3NA-V62866

2、0-3 1 105 DM2000 H H Pattern side 3NA-V628660-3 1 DM2000 106 to SUB-CN119 to BRG -CN023 1718192021222324STEREO FADER FD2 Circuit Board Component side 3NA-V628680-2 1 107 DM2000 FD2 Circuit Board Pattern side 3NA-V628680-3 1 DM2000 108 1 AES/EBU 2TR IN DIGITAL2TR OUT DIGITAL 2 AES/EBU 1 AES/EBU 2 AES

3、/EBU 3 COAXIAL 3 COAXIAL IN 75 to DSP-CN902to DSP-CN901 I I JK1 Circuit Board 3NA-V628590-2 1 109 DM2000 WORD CLOCKTO HOSTTIME CODE INPUT SERIALUSBMTCSMPTEKEYBOARD IN 1OUT2 75 to BRG-CN014 I I Component side 3NA-V628590-2 1 DM2000 110 J J JK1 Circuit Board 3NA-V628590-2 1 111 DM2000 J J Pattern side

4、 3NA-V628590-2 1 DM2000 112 to BRG-CN015 METER (from MB2000) REMOTE THRUOUT MIDI CONTROL to DSP-CN903 K K L L JK2 Circuit Board 3NA-V628620-2 3NA-V628620-3 113 DM2000 CASCADE OUTCASCADE IN OUT MIDI IN to DSP-CN905to DSP-CN904 K K L L 3NA-V628620-2 3NA-V628620-3 Pattern side Component side DM2000 114

5、 to BRG-CN016 to DSP -CN807 to BRG-CN017to DSP-CN803 SLOT3 to DSP-CN806 SLOT6 M M N N OPTCircuit Board 3NA-V628580-2 115 DM2000 to DSP-CN802 SLOT2to DSP-CN801 to DSP-CN805to DSP-CN804 SLOT1 SLOT5SLOT4 M M N N 3NA-V628580-2 Pattern side Component side DM2000 116 O O to SUB -CN115 to SUB -CN111 PN1 Ci

6、rcuit Board 3NA-V628630-2 1 117 DM2000 O O to BRG -CN019 Component side 3NA-V628630-2 1 DM2000 118 P P PN1 Circuit Board 3NA-V628630-2 1 119 DM2000 P P Pattern side 3NA-V628630-2 1 DM2000 120 Q Q to PN3-CN501 to SUB-CN PN2 (1/2) Circuit Board 3NA-V628640-2 1 121 DM2000 to PN3 -CN504 JOY STICK Q Q to

7、 BRG-CN020 to SUB-CN112to SUB-CN113 PN2 (2/2) Circuit Board Component side Component side 3NA-V628640-2 1 DM2000 122 R R PN2 (1/2) Circuit Board PN2 (2/2) Circuit Board Pattern side 3NA-V628640-2 1 123 DM2000 R R Pattern side 3NA-V628640-2 1 DM2000 124 S S to PN2 (1/2)-CN303to PN2 (2/2)-CN305 PN3 Ci

8、rcuit Board 3NA-V628650-2 1 125 DM2000 S S CN305to SUB-CN114 to DA2-CN100 to BRG -CN021 to PN4 (1/2) -CN701 Component side 3NA-V628650-2 1 DM2000 126 T T PN3 Circuit Board 3NA-V628650-2 1 127 DM2000 T T Pattern side 3NA-V628650-2 1 DM2000 128 to PN3-CN503 to CPU-CN108to CPU-CN107SMART MEDIA PN4COM (

9、PN4 (1/2) Circuit Board PN4COM (DS) Circuit Board Component side Component side 3NA-V830050-2 1 PN4COM (PN4 (2/2) Circuit Board 129 DM2000 Pattern side Pattern side PN4COM (PN4 (1/2) Circuit Board PN4COM (DS) Circuit Board 3NA-V830050-2 1 PN4COM (PN4 (2/2) Circuit Board DM2000 130 STEREO OUT to DA2-

10、CN301 L R STCOM (ST) Circuit Board Component side Pattern side 3NA-V628800-1 1 131 DM2000 to DA2-CN501 STUDIO LEVEL STUDIO MONITOR OUT L R STEREO OUTL/R STCOM (STD) Circuit Board Component side Pattern side 3NA-V628800-1 1 DM2000 132 U U to PN2 (1/2) -CN304 to PN3 -CN506 to PN2 (1/2) -CN301 to BRG-C

11、N024to FD2-CN101to FD1-CN101 SUB Circuit Board 3NA-V628530-2 133 DM2000 U U to FL Module (Master) -CN2 not used (for check) to PN1 -CN101 to PN1 -CN103 not used (for debug SUB1 (IC101) to CPU -CN101 3NA-V628530-2 Component side DM2000 134 V V SUB Circuit Board 3NA-V628530-2 135 DM2000 V V 3NA-V62853

12、0-2 Pattern side DM2000 136 POWER ON/OFF to AC IN to Power Supply Unit-CN1 SW Circuit Board Component side Pattern side 3NA-V654390-2 4 137 DM2000 to PN1-CN102 to LAMP1 W W to PN2-CN201 to LAMP2 to METER (DM2000) W W Component side 3NA-V628880-2 2 DC Circuit Board DM2000 138 X X Y Y PNCOM (PN1) Circ

13、uit Board 3NA-V773550-2 2 139 DM2000 to DC-CN302 to PN2-CN203 X X Y Y Component side Pattern side 3NA-V773550-2 2 DM2000 140 to DC-CN303 to PN1-CN101 Z Z a a PNCOM (PN2) Circuit Board 3NA-V773550-2 2 141 DM2000 Z Z a a Component side Pattern side 3NA-V773550-2 2 DM2000 142 INSPECTIONS Perform the Ch

14、eck of DM2000. 1. Preparation 1-1. Condition Conditioned as follows unless specified: WORD CLOCK to be INT 96kHz. Only CH to be checked shall be turned ON. PAN:Center GAIN:MIN PAD:ON INSERT: OFF FADER: NORMAL (0dB) 0dBu = 0.775Vrms 0dBV = 1Vrms = 2.2dBu 0dBFS = 0 decibel full scale Output impedance

15、of oscillator shall be 150. Input impedance of oscilloscope, level gauge shall be over 100k. Noise measuring shall be at 12.7kHz, and be corrected with LPF of 6dB/OCT. (Not average value but effective value should be measured.) Distortion measurement should be performed at 80kHz and corrected with L

16、PF of 6dB/OCT. When checking analogue output, the following conditions shall be added or changed: When measuring maximum output, unless specified, output 0dB from the built-in oscillator. The load of analogue output shall be as follows: INSERTOUT:10k STEREO OUT (XLR):600 STEREO OUT (PIN):10k CONTROL

17、 ROOM MONITOR OUT LARGE: 600 CONTROL ROOM MONITOR OUT SMALL: 600 STUDIO MONITOR OUT:10k OMNI OUT:10k PHONES:8 1-2. Initialization Turn the power supply switch ON while pressing the STORE key to start and initialize the system in accordance with the instruction on the screen. Important data should be

18、 backed up by MIDI dump or Smart Media. (See page.187) 1-3. Main program writing If the program version is not latest, program of the latest version must be installed. qHow to check the program version. Turning ON the power while pressing the UTILITY key will display the version number. wProcedure o

19、f version up a.Prepare Smart Media (3.3V, Capacity: 8MB128MB) and copy the program to be written into the root directory. b.Insert the Smart Media into the MEMORY CARD SLOT while power OFF. c.When powered ON, the count down 5-1 will be displayed on the LCD and the flash memory will be erased and the

20、 program writing executed. d.When the writing completes, the system will be automatically restarted. For the latest main program, please download from the YSISS home page and store into the Smart Media. 2. Check of ANALOGUE IN/OUT at WORD CLOCK INT 96 kHz 2-1. STEREO OUT L/R (XLR) Condition: Input f

21、rom the INSERT IN terminal of CH1. Turn ON the INSERT switch. qGain (L/R common) wf Characteristic (L/R common) Condition: Permissible range of 1kHz to be standard. eDistortion factor (L/R common) rResidual noise (L/R common) Condition: STEREO OUT key to be switched OFF. tLevel gap between L/R Level

22、 gap measured in q to be decided as follows: yCross talk between L and R Condition: PAN to fully lean to the L side. Confirm that the R side also satisfies the above conditions. uMaximum output (L/R common) Condition: Connect hot, cold terminal to GND respectively. Input FrequencyInput LevelSpecifie

23、d Output Level Permissible range 1kHz+4dBu+4dBu+42dBu Input FrequencyInput LevelPermissible range 20Hz+4dBu-1.5 +0.5dB 40kHz+4dBu-1.5 +0.5dB Input FrequencyOutput LevelPermissible range 1kHz+16dBu0.01% or below Permissible range -92dBu or below Permissible range Within 1dB Input FrequencyOutput Leve

24、l (L)Permissible range (R) 1kHz+16dBu-64dBu or below Input FrequencyOutput LevelPermissible range Permissible range (Distortion factor) 1kHz+18dBu+180.5dBu0.01% or below Input FrequencyOutput LevelPermissible range Permissible range (Distortion factor) 1kHz+18dBu+181.0dBu0.02% or below 143 DM2000 2-

25、2. STEREO OUT L/R (PIN) Condition: Input from the INSERT IN terminal of CH1. The INSERT switch to be set to ON. qGain (L/R common) wCharacteristic (L/R common) Condition:Permissible range of 1kHz to be standard. eMaximum output (L/R common) rCross talk between L and R Condition: PAN to fully lean to

26、 the L side. Confirm that the R side also satisfies the above conditions. 2-3. CONTROL ROOM MONITOR OUT LARGE L/R CONTROL ROOM MONITOR OUT SMALL L/R Condition: Input from the INSERT IN terminal of CH1. The INSERT switch to be set to ON. Set the CONTROL ROOM MONITOR LEVEL control to MAX. Set the SMAL

27、L TRIM control to MAX. Set the STEREO key of CONTROL ROOM to ON. Set the SMALL switch to OFF for LARGE measurement and ON for SMALL. qGain (L/R common for LARGE/SMALL) wf Characteristic (L/R common for LARGE/SMALL) Condition:Permissible range of 1kHz to be standard. eDistortion factor (L/R common fo

28、r LARGE/SMALL) Input FrequencyInput LevelSpecified output levelPermissible range 1kHz+4dBu-10dBV-102dBV Input FrequencyInput LevelPermissible range 20Hz+4dBu-1.5 +0.5dB 40kHz+4dBu-1.5 +0.5dB Input FrequencyOutput LevelPermissible range Permissible range (Distortion factor) 1kHz+4dBV+40.5dBV0.02% or

29、below Input FrequencyOutput Level (L)Permissible range (R) 1kHz+2dBV-78dBu or below Input FrequencyInput LevelSpecified output levelPermissible range 1kHz+4dBu+4dBu+42dBu Input FrequencyInput LevelPermissible range 20Hz+4dBu-1.5 +0.5dB 40kHz+4dBu-1.5 +0.5dB Input FrequencyOutput LevelPermissible ran

30、ge 1kHz+16dBu0.02% or below rResidual noise (L/R common for LARGE/SMALL) Condition: STEREO OUT key to be switched OFF. (L/R common for only SMALL) Condition: STEREO OUT key to be switched OFF. tLevel gap between L/R (LARGE/SMALL common) Level gap measured in q to be decided as follows: yCross talk b

31、etween L and R (LARGE/SMALL common) Condition: PAN to fully lean to the L side. Confirm that the R side also satisfies the above conditions. uMaximum output (L/R common for LARGE/SMALL) Condition: Connect hot, cold terminal to GND respectively. 2-4. STUDIO MONITOR OUT L/R Condition: Input from the I

32、NSERT IN terminal of CH1. The INSERT switch to be set to ON. The MONITOR OUT LEVEL control to be set to MAX. The STEREO key of STUDIO to be turned ON. qGain (L/R common) wf Characteristic (L/R common) Condition:Permissible range of 1kHz to be standard. eDistortion factor (L/R common) Permissible ran

33、ge Within 1dB Input FrequencyOutput Level (L)Permissible range (R) 1kHz+16dBu-64dBu or below Input FrequencyOutput LevelPermissible range Permissible range (Distortion factor) 1kHz+18dBu+180.5dBu0.02% or below Input FrequencyOutput LevelPermissible range Permissible range (Distortion factor) 1kHz+18

34、dBu+181.0dBu0.02% or below Input FrequencyInput LevelSpecified output levelPermissible range 1kHz+4dBu+4dBu+42dBu Input FrequencyInput LevelPermissible range 20Hz+4dBu-1.5 +0.5dB 40kHz+4dBu-1.5 +0.5dB Input FrequencyOutput LevelPermissible range 1kHz+16dBu0.02% or below CONTROL ROOM MONITOR LEVELPer

35、missible range MAX-92dBu or below MIN-98dBu or below CONTROL ROOM MONITOR LEVELPermissible range MAX-92dBu or below MIN-100dBu or below DM2000 144 rResidual noise (L/R common) Condition: STEREO OUT key to be switched OFF. tLevel gap between L/R Level gap measured in q to be decided as follows: yCros

36、s talk between L and R Condition: PAN to fully lean to the L side. Confirm that the R side also satisfies the above conditions. uMaximum output (L/R common) Condition: Connect hot, cold terminal to GND respectively. 2-5. OMNI OUT 18 Condition: Input from the INSERT IN terminal of CH1. Turn ON the IN

37、SERT switch. Turn ON BUS18 at ROUTING of CH1. Assign BUS nCH to OMNI nCH with the OUTPUT PATCH key. Turn ON MASTER FADER of BUS 18. The slide switches SW101801 (8 switches) in DA1 circuit board are to be +18dB. qGain (OMNI OUT 18) wf Characteristic (OMNI OUT 18) Condition:Permissible range of 1kHz t

38、o be standard. eDistortion factor (OMNI OUT 18) rResidual noise (OMNI OUT 18) Condition: BUS OUT key to be switched OFF. tLevel gap among the terminals OMNI OUT 18 Level gap measured in q and w to be decided as follows: yCross talk between odd CH/even CH Confirm that the even side also satisfies the

39、 above conditions. uMaximum output (OMNI OUT 18) Condition: Connect hot, cold terminal to GND respectively. 2-6. Output Level Gap Condition: STERO OUT L/R terminal CONTROL ROOM MONITOR OUT LARGE L/R terminal CONTROL ROOM MONITOR OUT SMALL L/R terminal STUDIO MONITOR OUT L/R terminal OMNI OUT 18 term

40、inal (SW101 801(8 switches) in DA1 circuit board are of at +18dB.) The range of the gain gaps measured at 1kHz for these terminals is specified as follows: 2-7. PHONES OUT L/R Condition: Input from the INSERT IN terminal of CH1. The INSERT switch to be set to ON. The PHONES LEVEL control to be set t

41、o MAX. qGain (L/R common) wf Characteristic (L/R common) Condition:Permissible range of 1kHz to be standard. Permissible range Within 1dB Input FrequencyOutput Level (L)Permissible range (R) 1kHz+16dBu-64dBu or below Input FrequencyOutput LevelPermissible range Permissible range (Distortion factor)

42、1kHz+18dBu+180.5dBu0.02% or below Input FrequencyOutput LevelPermissible range Permissible range (Distortion factor) 1kHz+18dBu+181.0dBu0.02% or below Input FrequencyInput LevelSpecified Output Level Permissible range 1kHz+4dBu+4dBu+42dBu Input FrequencyInput LevelPermissible range 20Hz+4dBu-1.5 +0.

43、5dB 40kHz+4dBu-1.5 +0.5dB Input FrequencyOutput LevelPermissible range 1kHz+16dBu0.02% or below Permissible range -92dBu or below Permissible range Within 1dB Input FrequencyOutput Level (odd CH)Permissible range (even CH) 1kHz+16dBu-64dBu or below Input FrequencyOutput LevelPermissible range Permis

44、sible range (Distortion factor) 1kHz+18dBu+180.5dBu0.02% or below Input FrequencyOutput LevelPermissible range Permissible range (Distortion factor) 1kHz+18dBu+181.0dBu0.02% or below Permissible range Within 2dB Input FrequencyInput LevelSpecified output levelPermissible range 1kHz+4dBu-12.8dBu-12.8

45、2dBu Input FrequencyInput LevelPermissible range 20Hz+4dBu-30.5dB 40kHz+4dBu-30.5dB MONITOR OUT LEVELPermissible range MAX-92dBu or below MIN-100dBu or below 145 DM2000 eDistortion factor (L/R common) rResidual noise (L/R common) Condition: The PHONE LEVEL control to be set to MIN. tLevel gap betwee

46、n L/R Level gap measured in q to be decided as follows: yMaximum output (L/R common) Condition: To output 6dB from the built-in oscillator. uCross talk between L and R Condition: PAN to fully lean to the L side. Confirm that the R side also satisfies the above conditions. 2-8. 2TR IN ANALOG 1 L/R Co

47、ndition:Check at the STEREO OUT L terminal (XLR). qGain (L/R common) wf Characteristic (L/R common) Condition:Permissible range of 1kHz to be standard. eDistortion factor (L/R common) rResidual noise (L/R common) Condition: 2TR IN ANALOG 1 terminal to be shorted at 150. tLevel gap between L/R Level

48、gap measured in q to be decided as follows: yCross talk between L and R Condition: Input the signal into the L side. The R side to be shorted at 150. Confirm that the R side also satisfies the above conditions. 2-9. 2TR IN ANALOG 2 L/R Condition:Check at the STEREO OUT L terminal (XLR). qGain (L/R c

49、ommon) wf Characteristic (L/R common) Condition:Permissible range of 1kHz to be standard. eDistortion factor (L/R common) rResidual noise (L/R common) Condition: 2TR IN ANALOG 2 terminal to be shorted at 150. tLevel gap between L/R Level gap measured in q to be decided as follows: yCross talk between L and R Condition: Input the signal into the L side. The R side to be shorted at 150. Confirm that the R side also satisfies the above conditions. 2-10. CH IN 124 (XLR, PHONE)