Yamaha-Audiogram6-ai-sm 电路图 维修手册.pdf

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1、SERVICE MANUAL HAMAMATSU, JAPAN Copyright (c) Yamaha Corporation. All rights reserved. PDF & 08.07 SPECIFICATIONS（総合仕様） .3 PANEL LAYOUT（） .4 DIMENSIONAL DIAGRAM（寸法図） .5 CIRCUIT BOARD LAYOUT（） .5 DISASSEMBLY PROCEDURE（分解手順） .6 LSI PIN DESCRIPTION（LSI 端子機能表） .9 IC BLOCK DIAGRAM（IC 図） .10 CIRCUIT BOARD

2、S（基板図） .11 INSPECTIONS（検査） .14/19 RECORDING USING THE CUBASE AI 4 （Cubase AI 4 使用録音） .24/29 RECORDING USING THE TWE （TWE 使用録音） .34/37 PARTS LIST BLOCK DIAGRAM（） CIRCUIT DIAGRAM（回路図） CONTENTS（目次） USB AUDIO INTERFACE SY011919 20080801 RadioFans.CN 收音机爱 好者资料库 AUDIOGRAM6 2 WARNING Components having spec

3、ial characteristics are marked and must be replaced with parts having specifi cation equal to those originally installed. 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

4、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 compo

5、nents and failure of the product to perform as specified. For these reasons, we advise all Yamaha product owners that all service required should be performed by an authorized Yamaha Retailer or the appointed service representative. IMPORTANT : This presentation or sale of this manual to any individ

6、ual or firm does not constitute authorization certification, recognition of any applicable technical capabilities, or establish a principal-agent relationship of any form. The data provided is belived to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, and

7、service departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitable and changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributors Service Div

8、ision. WARNING : Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires connect to this bus.) IMPORTANT : Turn the unit OFF during disassembly and parts replaceme

9、nt. Recheck all work before you apply power to the unit. WARNING: This product contains chemicals known to the State of California to cause cancer, or birth defects or other reproductive harm. DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT SO EVER!

10、 Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to solder/ flux vapor! If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food. 印部品、安全維持重要部品。交換場合、

11、安全必指定部品使用。 MIC/INST 端子（XLR ）配列、以下。 （IEC60268 規格基） 1: （GND） 、2: （） 、3: （） ） 3 21 MIC/INST jacks (XLR-type) are wired as follows (IEC60268 standard): pin 1: ground, pin 2: hot (+), and pin 3: cold (-). RadioFans.CN 收音机爱 好者资料库 3 AUDIOGRAM6 SPECIFICATIONS（総合仕様） JacksMIC/INST Input Jackx 2 Combo jacks (M

12、ic/HiZ) LINE Input Jacks (L, R)x 2 Phone jacks PHONES Jackx 1 Phone jack STEREO OUT Jacks (L, R)x 1 Phone jacks USB Connectorx 1 USB 1.1 44.1/48 kHz, 16 bit ControlsMIC/INST Switchx 2 MIC: for microphones INST (Hi-Z): for guitars, etc. GAIN Controlx 4 Gain for CH 1-5/6 COMP Controlx 2 Compressor for

13、 CH 1, 2 MONO/STEREO Switchx 1 MONO: CH 1, 2 signals function as independent mono channels. STEREO: CH 1, 2 signals function as a stereo pair. LEVEL Controlx 4 Adjust the level of CH 1-5/6 PHANTOM +48V Switchx 1 48 V, only for CH1 DAW Controlx 1 Adjusts the DAW playback signal MASTER LEVEL Controlx

14、1 Adjusts the overall signal IndicatorsLevel Indicatorsx 1 2 points (green, red) PEAK Indicatorx 4 Red Phantom Powerx 1 Red Powerx 1 Green Power SupplyUSB bus-powered Dimensions (W x H x D)170 x 59 x 192 mm Net Weight760 g Included AccessoriesCubase AI 4 DVD-ROM USB cable Owners Manual General Speci

15、fi cations RadioFans.CN 收音机爱 好者资料库 AUDIOGRAM6 4 PANEL LAYOUT（） q MIC/INST Input Jack w LINE Input Jacks (L (MONO)/R) e STEREO OUT Jacks r PHONES Jack t MIC/INST Switch y GAIN Control u COMP Control i MONO/STEREO Switch o PEAK Indicators !0 LEVEL Controls !1 POWER Indicator !2 PHANTOM +48V (CH1) Swit

16、ch/Indicator (only for channel 1) !3 Level Indicators !4 DAW Control !5 MASTER LEVEL Control !6 USB Connector ? ? ? ? ? ? ? ? ? ? ? ? ? ? q MIC/INST 入力端子 w LINE 入力端子 (L (MONO) /R) e STEREO OUT 出力端子 r PHONES 端子 t MIC/INST 切替 y GAIN u COMP i MONO/STEREO 切替 o PEAK !0 LEVEL !1 POWER !2 PHANTOM +48V (CH1

17、) / ( 1 ) !3 !4 DAW !5 MASTER LEVEL !6 USB 端子 5 AUDIOGRAM6 CIRCUIT BOARD LAYOUT（） MAIN6 PSUSB TOP COVER ASSEMBLY （Ass y） DIMENSIONAL DIAGRAM（寸法図） 56 51 W: 170 D: 192 3 H: 59 38 Unit: mm AUDIOGRAM6 6 DISASSEMBLY PROCEDURE（分解手順） 1. Bottom Cover Assembly (Time required: About 1 minute) 1-1 Remove the f

18、i ve (5) screws marked 110. The bottom cover assembly can then be removed. (Fig. 1) 2. PSUSB & MAIN6 Circuit Boards (Time required: About 7 minutes each) 2-1 Pull out the fi ve (5) level knobs marked 130 from the control panel side. (Fig. 2) 2-2 Remove the bottom cover assembly. (See procedure 1.) 2

19、-3 Remove the four (4) screws marked 80 and two (2) screws marked 90. (Fig. 3) 2-4 Unhook the MAIN6 circuit board from the seven (7) hooks marked A. The shield main and the MAIN6 cir- cuit board on which the PS-USB assembly is installed can then be removed. (Fig. 3, Photo 1) 2-5 Remove the two (2) s

20、crews marked 70. The PS-USB assembly with the cover PS-USB can then be removed from the shield main. (Fig. 4) 2-6 PSUSB Circuit Board 2-6-1 Unsolder the four (4) hooks marked B from the PSUSB circuit board and turn the hooks until they are in the same direction as the notches on the circuit board to

21、 separate the PSUSB circuit board and shield PS- USB. (Photo 2) * To remove the cover PS-USB on the shield PS-USB, detach the two adhesive tapes carefully. (Fig. 5) 110: BIND HEAD B-TIGHT SCREW（B BIND） 3.0X8 MFZN2W3 (WE774300) Fig. 1（図 1） 110 BOTTOM COVER ASSEMBLY （Ass y） 130 x5 Fig. 2（図 2） 1. Assy（

22、所要時間：約 1 分） 1-1 110 5 本外、 Assy 外。 （図 1） 2. PSUSB 、MAIN6 （所要時間：各約 7 分） 2-1 面 130 LEVEL 5 個抜。 （図 2） 2-2 Assy 外。 （1 項参照） 2-3 804本902本外。（図3） 2-4 MAIN6 A （7 箇所） 外、 PS-USB Assy 載 MAIN6 外。 （図 3、写真 1） 2-5 70 2 本外、 PS-USB 共 PS-USB Assy 外。 （図 4） 2-6 PSUSB 2-6-1 PSUSB 半田付 B （4 箇所） 半田取除、 基板切 同向、PSUSB PS-USB 分離。

23、 （写真 2） PS-USB 付PS-USB 外 場合、両面貼付 2 箇所剥 。丁寧剥。 （図 5） Precautions（注意事項） During assembly, pay attention that connectors, cables or the like are not pinched by circuit boards, frames, etc. 組立、基板類注意。 7 AUDIOGRAM6 80: BIND HEAD B-TIGHT SCREW（B BIND） 3.0X8 MFZN2W3 (WE774300) 90: PW HEAD TAPPING SCREW-B（B PW

24、H） 3.0X8 MFZN2W3 (WF00260R) Fig. 3（図 3） 70: BIND HEAD B-TIGHT SCREW（B BIND） 3.0X8 MFZN2W3 (WE774300) Fig. 4（図 4） 9080 SHIELD MAIN （） MAIN6 PS-USB ASSEMBLY （PS-USB Ass y） COVER PS-USB （PS-USB） TOP COVER ASSEMBLY （Ass y） 70 SHIELD MAIN （） MAIN6 PS-USB ASSEMBLY （PS-USB Ass y） COVER PS-USB （PS-USB） Phot

25、o 1（写真 1） SHIELD PS-USB （PS-USB） COVER PS-USB （PS-USB） Adhesive tape （両面） Fig. 5（図 5）Photo 2（写真 2） MAIN6 Hooks (Soldering) （ （半田付） ） B B Hooks (Soldering) （ （半田付） ） PSUSB SHIELD PS-USB （ PS-USB） Hook（） A A A AUDIOGRAM6 8 2-7 MAIN6 Circuit Board 2-7-1 Remove the seven (7) hexagonal nuts marked C and

26、four (4) screws marked 40. The shield main can then be separated from the MAIN6 circuit board. (Fig. 6) 2-7-2 Pull out the seven (7) volume knobs marked 120 and four (4) push buttons marked 140 from the MAIN6 circuit board. (Fig. 6) * The volume knobs and push buttons are not compo- nents of the MAI

27、N6 circuit board. When replacing the MAIN6 circuit board, remove the volume knobs and push buttons and install them on the new MAIN6 circuit board. 40: BIND HEAD B-TIGHT SCREW （B BIND） 3.0X8 MFZN2W3 (WE774300) Fig. 6 ( 図 6) 40 x4 SHIELD MAIN （） MAIN6 Cx7 120 x7 140 140 x2 140 2-7 MAIN6 2-7-1 C 六角 7

28、個 40 4 本外、 MAIN6 分離。 （図 6） 2-7-2 MAIN6 上面、120 VR （小） 7個140HPF4個外。 （図6） VR （小） HPF MAIN6 構成部品 。MAIN6 交換際、 VR （小） HPF 取外新 MAIN6 取付。 9 AUDIOGRAM6 LSI PIN DESCRIPTION（LSI 端子機能表） PIN NO. I/OFUNCTIONNAME PIN NO. I/ONAME PCM2904DBR (X9570A00)STEREO AUDIO CODEC WITH USB INTERFACE DAC analog output for R-cha

29、nnnel DAC analog output for L-channnel Internal analog power supply for PLL Analog ground for PLL Internal analog power supply for PLL Crystal oscillator output Crystal oscillator input Analog ground for oscillator Internal analog power supply for oscillator Test pin, must be connected to GND Test p

30、in, must be left open Digital ground Internal digital power supply Suspend flag, active low (Low: suspend, Hihg: operational) FUNCTION O O - - - O I - - I O - - O VOUTR VOUTL VCCP1I AGNDP VCCP2I XTO XTI AGNDX VCCXI TEST0 TEST1 DGND VDDI SSPND 15 16 17 18 19 20 21 22 23 24 25 26 27 28 USB differentia

31、l input/output plus USB differential input/output minus Connect to USB power (VBUS) Digital ground for USB transceiver HID key state input (mute), active high HID key state input (volume up), active high HID key state input (volume down), active high Must be set to high Internal analog power supply

32、for codec Analog ground for codec ADC analog input for L-channnel ADC analog input for R-channnel Common for ADC/DAC (VCCCI/2) I/O I/O - - I I I I I - - I I - D+ D- VBUS DGNDU HID0 HID1 HID2 SEL0 SEL1 VCCCI AGNDC VINL VINR VCOM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 PSUSB: IC102 AUDIOGRAM6 10 IC BLOCK DIA

33、GRAM（IC 図） BA10339F-E2 (X6266A0R) MAIN6: IC802 Ground Sense Comparator 1 2 3 4 5 6 7 OUT2 OUT1 Vcc -IN1 +IN1 -IN2 +IN2 14 13 12 11 10 9 8 OUT3 OUT4 VEE +IN4 -IN4 +IN3 -IN3 +- +- +- +- 1 1.5A Maximum ON duty 9.1 OSC BLOCK 4 3 2 8 5 6 7 V+ Es GND PWM Logic R SQ Vref 1.25V 2% CD CT Cs SI IN+ Vth=300mV

34、Ipk Sense PWM COMP ERR. AMP 160 1 2 3 4 8 7 6 5 Cs CT GND CD SI V+ IN+ Es NJM2374AM-TE1 (X9482A00) PSUSB: IC401, IC501, IC601 PWM DC/DC Converter NJM072BM-E-TE1 (X4543A01) MAIN6: IC101 Dual Operational Amplifier 1 2 3 4 8 7 6 5 A Output +V A +Input V- V+ B Output B -Input B +Input A -Input +- +- NJM

35、2068MD-TE2 (X3505A00) MAIN6: IC301, IC501 PSUSB: IC201, IC202 Dual Operational Amplifier 1 2 3 4-V 8 7 6 5 Output A+V Non-Inverting Input A -DC Voltage Supply +DC Voltage Supply Output B Inverting Input B Non-Inverting Input B Inverting Input A+- +- NJM4580L (XF195A00) MAIN6: IC703 Dual Operational

36、Amplifier 1 A 2345678 OUT A -IN A +IN A +IN B -IN B OUT B -V+V - + B - + BA4560RF-E2 (X6897A00) MAIN6: IC102104, IC201, IC302, IC502, IC701, IC702, IC801 Dual Operational Amplifier 1 2 3 4-V 8 7 6 5 Output 1+V +Input 1 VEE VCC Output 2 -Input 2 +Input 2 -Input 1 +- +- 1 2 3 4 8 7 6 5 GND EN1 EN2 /OC

37、1 OUT1 OUT2 /OC2 IN BD2056AFJ-E2 (X9691A00) PSUSB: IC301 USB High Side Switch Gate Logic1 TSD1 TSD2 Charge pump1 OCD1 OCD2 SW1 SW2 UVLO 8 3 2 4 1 7 6 5 /OC1 EN1 EN2 GND IN /OC2 OUT1 OUT2 Charge pump2 Gate Logic2 11 AUDIOGRAM6 USB to MAIN6-CN901 PSUSB Circuit Board Component side（部品側） Pattern side（側）

38、 PSUSB: 2NA-WW90300-1 1 CIRCUIT BOARDS（基板図） MAIN6 Circuit Board (X9389D0) .12/13 PSUSB Circuit Board (X9388C0) . 11 Note: See parts list for details of circuit board component parts. 注 : 部品詳細参照。 AUDIOGRAM6 12 MAIN6 Circuit Board to PSUSB-CN702 CH 1 MIC /INST MIC /INST GAIN 1 COMP 1 LEVEL 1LEVEL 2 LE

39、VEL 3/4LEVEL 5/6 MASTER DAW SIGNAL PEAK PHANTOM POWER PHANTOMPHANTOM LR LR PEAK 1 PEAK 2 PEAK 3/4 PEAK 5/6 COMP 2 MONO /STEREO GAIN 2 GAIN 3/4 GAIN 5/6 L CH 2 CH 3 L CH 4 R CH 5 L STEREO OUT R STEREO OUT L STEREO OUT R STEREO OUT L PHONESPHONES CH 6 R R Component side（部品側） MAIN6: 2NA-WM90330-1 2 13

40、AUDIOGRAM6 MAIN6: 2NA-WM90330-1 2 MAIN6 Circuit Board X9389C0 R902 Pattern side（側） AUDIOGRAM6 14 1. Measurement condition 1-1 Environment Temperature (5C 40C) Humidity (30% 90%) 1-2 Power supply Power is supplied from a personal computer. (Powered through USB bus) 2. Electric characteristics 2-0 0 d

41、Bu = 0.775 Vrms 2-1 Preparation Load resistor of each output terminal is as follows: PHONES (L, R) : 40 (3 W or more) Others : 10k 2-2 Unless otherwise specifi ed, the operation elements shall be set as follows, CH INPUT (CH1, CH2) GAIN control : Maximum COMP control : Minimum CH level control : Max

42、imum MIC/INST switch : OFF (MIC) MONO/STEREO switch : OFF (MONO) ST CH INPUT (CH3/4, CH5/6) GAIN control : Maximum CH level control : Maximum MASTER DAW level control : Minimum MASTER level control : Maximum Others PHANTOM switch : OFF 2-3 Use 1 kHz sine wave for input signal unless otherwise specif

43、i ed. 2-4 Signal source impedance should be 150 ohms. 2-5 Power indicator Check that the POWER LED lights when the personal computer is connected. INSPECTIONS GAIN control COMP control CH level control DAW level control MASTER level control MONO/STEREO switch MIC/INST switch CH1CH2CH3/4CH5/6 PHANTOM

44、 switch 15 AUDIOGRAM6 2-6 Gain Check that the output level of each output terminal is within the range shown in the Table 2-6.1 and Table 2-6.2. * Check that the difference in the level between channels is 2.0 dB or less. Table 2-6.1 CH INPUT (CH1, CH2) dBu INPUT Input level GAIN control STEREO OUT

45、LSTEREO OUT R q XLR 1-82.0Maximum-2.0 2.0 w2-38.0Minimum-2.0 2.0-2.0 2.0 q PHONE 1 (L) -82.0Maximum -2.0 2.0 *1 w2 (R)-2.0 2.0 *1 e PHONE (UNBAL) 1-66.0Maximum-2.0 2.0 *2 r2-22.0Minimum-2.0 2.0 *2 *1 Set the MONO/STEREO switch to ON (STEREO). *2 Set the MIC/INST switch to ON (INST). Table 2-6.2 ST C

46、H INPUT (CH3/4, CH5/6) dBu INPUT Input level GAIN control STEREO OUT LSTEREO OUT RPHONES LPHONES R t PHONE 3 L/MONO 5 L/MONO -56.0Maximum-2.0 2.0-14.8 2.0 y 3 L/MONO 5 L/MONO -12.0Minimum-2.0 2.0-2.0 2.0-14.8 2.0-14.8 2.0 u4 R, 6 R-56.0Maximum-2.0 2.0-14.8 2.0 2-7 Frequency characteristics In the si

47、gnal path of q to u in the Table 2-6.1 and Table 2-6.2, check that the output level of each output terminal is within the range of +1.0/-3.0 dB compared with that of 1 kHz when the signal frequency is set to 20 Hz and 20 kHz. (GAIN control: Minimum) * Check that the frequency characteristics is within the range of +1.0/-4.5 dB when the signal frequency is set to 20 Hz and 20 kHz and the GAIN control is at maximum. * In the signal path of y, check only the STEREO