Crate_DSP_Amp_Effects_(07S886)_Schematics电路图.pdf

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1、DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAUTION: TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE TOUCHING INTERNAL PARTS. 1) CAUTION: SHOCK HAZARD!

2、2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE AND 10 MEGOHM DIGITAL VOLTMETER. SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. DCBA 1 FE 1 S

3、ignatures: Checked: Drawn: Sheet Class Code: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Drawing Size: Drawing Type: Schematic Released: REVDateDESCRIPTION E Tolerance: Plot Date: Plot Time: Mon May 06, 2002 A 1 RLB CONTROL ISSUE ADDED DASH -10,-12 & -14 1 0 9-29-00 4-28-00 INITIAL I

4、SSUE RLB RLB D000717 C of Drawing Title: Drawing Number: NONE Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 10-5-99 11880 Borman Drive, St. Louis, MO 63146 Chgd By Appvd by F 07S886-XX 2 DSP EFFECTS BD Date 4 3 DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CA

5、UTION: TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE TOUCHING INTERNAL PARTS. 1) CAUTION: SHOCK HAZARD! 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. CAPACITOR VALUES IN MICR

6、OFARADS, 50V-10% TOL. 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE AND 10 MEGOHM DIGITAL VOLTMETER. SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. DCBA 1 FE 1 Signatures: Checked: Drawn: Sheet Class Code: THE INFORMATION CONTAINED ON THIS

7、DRAWING IS PROPRIETARY TO Drawing Size: Drawing Type: Schematic Released: REVDateDESCRIPTION E Tolerance: Plot Date: Plot Time: Mon May 06, 2002 A 1 RLB CONTROL ISSUE ADDED DASH -10,-12 & -14 1 0 9-29-00 4-28-00 INITIAL ISSUE RLB RLB D000717 C of Drawing Title: Drawing Number: NONE 18 Ecr(s)/Ecn(s)

8、First Used On: ST. LOUIS MUSIC, INC Date: 10-5-99 11880 Borman Drive, St. Louis, MO 63146 Chgd By Appvd by F 07S886-XX 2 DSP EFFECTS BD Date 4 3 RD +5V WR +5V FL2 D18 D15 D16 D13 D12 D10 D9 D6 D7 D4 DMS RD PF7 PF4 FL2 FL1 A13 A10 A7 A4 A1 D14 D13 D11 D10 D8 D13 D10 WR +VIN 1N914 D1 C4 1 50V C7 50 V

9、270 pF C9 0.047 uF 50 V D-GND C11 10 100V D-GND 2 RST ADM809 D-GND R7 10K R3 47 R59 10K RESET +5VDSP FL1 FL0 R38 4.7 DT1 D17 D14 D11 D8 D5 CMS BMS PF6 PF5 R16 100K R40 100K R17 100K A6 A5 FL0 A8 A9 A11 A12 A0 A3 A2 D15 D12 D9 BMS WR D15 D8 D9 D11 D12 D14 RD CMS +5VDSP C57 50 V 0.001 uF R1 1K 5% 1/16

10、 W D2 1N914 C12 16 V 0.47 uF C16 16 V 0.47 uF R36 470K R39 100K C8 0.1 uF 50 V R4 1 C1 22 pF 50 V 2 RST ADM810 5VRST R6 47 5% 1/16 W R15 100K +5VDSP PWD+5VDSP A13 A10 A7 A4 A1 D18 A13 D16 A11 A10 A8 A7 A5 A4 A1 A2 R10 47K C43 0.01 uF 50 V R37 1K C5 50V 1 C6 50 V 270 pF 0.1 uF C10 50 V R58 10K R27 4.

11、7K 5% 1/16 W R60 4.7K D-GND C3 47 pF 50 V RESET PWD R5 47 5% 1/16 W A12 A11 A5 A9 A8 A6 A3 A2 A0 D17 A6 A3 A9 A12 A0 1 2 3 4 J2 Value 2 XTAL_IN 3 XTAL_OUT 5 SDATA_OUT 6 BIT_CLK 8 SDATA_IN 10 SYNC 11 RESET12 PC_BEEP 13 PHONE_IN 14 AUX_L 15 AUX_R 16 VIDEO_L 17 VIDEO_R 18 CD_L 19 CD_GND_SNSE 20 CD_R 21

12、 MIC1 22 MIC2 23 LINE_IN_L 24 LINE_IN_R 27 VREF 28 VREFOUT 29 AFILT1 30 AFILT2 31 FILT_R 32 FILT_L 33 RX3D 34 CX3D 35 LINE_OUT_L 36 LINE_OUT_R 37 MONO_OUT 43 N/C 44 N/C 45 CS0 46 CS1 47 CHAIN_IN 48 CHAIN_CLK 40 N/C 39 LNLVL_OUT_L 41 LNLVL_OUT_R AD1881 C2 22 pF 50 V D-GND SST 29EE512 2 A_16 3 A_14 4

13、A_12 12 A_0 11 A_1 10 A_2 9 A_3 8 A_4 7 A_5 6 A_6 5 A_7 23 A_10 25 A_11 26 A_9 27 A_8 28 A_13 31 A_15 22 CE1 1 N/C 13 I/0_0 14 I/0_4 15 I/0_2 17 I/0_3 18 I/0_4 19 I/0_5 20 I/0_6 21 I/0_7 24 OE 29 WE 30 CE2 AS7C256 D-GND 11 A13 10 A12 9 A11 8 A10 7 A9 6 A8 42 SCLK1 35 SCLK0 33 RFS0 39 RFS1 38 TFS1 40

14、 DR1 87 FL0 85 FL2 86 FL1 31 DT0 34 DR0 37 DT1 32 TFS0 95 BGH 91 PWD 96 PWDACK 44 RESET 52 BR 54 BG 5 A7 4 A6 2 A5 1 A4 100 A3 99 A2 98 A1 97 A0 14 XTAL 16 CLKOUT 13 CLKIN 43 ERESET 45 EMS 50 EINT 46 EE 47 ECLK 48 ELOUT 49 ELIN 93 PF1/MODE_B 30 IRQ2/PF7 29 IRQL1/PF6 27 IRQL0/PF5 26 IRQE/PF4 88 PF3 8

15、9 PF2/MODE_C 94 PF0/MODE_A 83 D22 82 D21 81 D20 79 D19 78 D18 77 D17 76 D16 75 D15 74 D14 73 D13 72 D12 70 D11 69 D10 68 D9 65 D8 64 D7 63 D6 62 D5 61 D4 58 D3 57 D2 56 D1 55 D0 25 CMS 24 IOMS 21 BMS 22 DMS 23 PMS 19 WR 20 RD 84 D23 51 EBR 53 EBG COMMON MODE SPORT0SPORT1 ADDRESS BUS CLOCK IRQS ICE-P

16、ORT DATA BUS BUS CONTROL ADSP-2186 DateDESCRIPTIONEcr(s)/Ecn(s)Chgd ByAppvd byDateREV 211-28-01ADDED DASH -15, -16 AND -17 N00746RLB ADDED -18 AND -19 N00819 3 5-3-02RLB RadioFans.CN 收音机爱 好者资料库 DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAUTION: TO AVOID RISK OF ELE

17、CTRIC SHOCK, REFER SERVICING TO QUALIFIED THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE TOUCHING INTERNAL PARTS. 1) CAUTION: SHOCK HAZARD! 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. 3) VO

18、LTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE AND 10 MEGOHM DIGITAL VOLTMETER. SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. DCBA 1 FE 1 Signatures: Checked: Drawn: Sheet Class Code: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO D

19、rawing Size: Drawing Type: Schematic Released: REVDateDESCRIPTION E Tolerance: Plot Date: Plot Time: Mon May 06, 2002 A 2 RLB CONTROL ISSUE ADDED DASH -10,-12 & -14 1 0 9-29-00 4-28-00 INITIAL ISSUE RLB RLB D000717 C of Drawing Title: Drawing Number: NONE Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC

20、, INC Date: 10-5-99 11880 Borman Drive, St. Louis, MO 63146 Chgd By Appvd by F 07S886-XX 2 DSP EFFECTS BD Date 4 3 DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAUTION: TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED THIS UNIT CONTAINS HAZARDOUS VOLTAGE.

21、 DISCONNECT POWER AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE TOUCHING INTERNAL PARTS. 1) CAUTION: SHOCK HAZARD! 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE AND 10 MEGOHM DIGITAL VOLTMETER.

22、 SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. DCBA 1 FE 1 Signatures: Checked: Drawn: Sheet Class Code: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Drawing Size: Drawing Type: Schematic Released: REVDateDESCRIPTION E Tolerance:

23、Plot Date: Plot Time: Mon May 06, 2002 A 2 RLB CONTROL ISSUE ADDED DASH -10,-12 & -14 1 0 9-29-00 4-28-00 INITIAL ISSUE RLB RLB D000717 C of Drawing Title: Drawing Number: NONE 18 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 10-5-99 11880 Borman Drive, St. Louis, MO 63146 Chgd By Appvd by

24、 F 07S886-XX 2 DSP EFFECTS BD Date 4 3 +5V +5V PWB1 +VIN PF7 PF4 VIDEO_R D6 D-GND L1 FERRITE 50 V 0.001 C40 R46 220 R43 220 C23 0.001 50 V50 V 0.001 C38 PF6 DT1 D-GND D-GND +5VA/D R22 100R23 100 100K R32 D5 R25 100 D7 D4 100K R34 0.1 uF 50 V C22 C32 10 100V D-GND R48 220 R50 100K 0.1 uF C33 50 V PF5

25、 R52 100K R54 100K 10 100V C20 C34 50 V 0.1 uF C35 50 V 0.1 uF C24 0.1 uF 50 V C25 0.1 uF 50 V 1 2 3 4 5 6 J3 Value C27 0.01 uF 50 V C51 50 V 0.001 C52 50 V 0.001 C29 0.01 uF 50 V 100K R35 C30 0.1 uF 50 V R55 10 5% 1/8 W 50 V C41 0.1 uF +5V +5VDSP 0.001 C39 50 V R45 220 R56 10 5% 1/8 W L3 FERRITE D-

26、GND D-GND R24 100 0.01 uF C44 50 V D-GND 50 V C56 0.001 uF C21 0.1 uF 50 V 1N914 D9 1 IN 3 +5_OUT 2 GND 7805 1N914 D8 R47 220 R51 100K R53 100K C37 0.001 uF 50 V C36 0.01 uF 50 V FERRITE L4 C26 0.1 uF 50 V C28 0.01 uF 50 V C45 0.01 uF 50 V AUX_R C46 50 V 0.001 C53 50 V 0.001 100K R33 C54 0.1 uF 50 V

27、 C31 0.1 uF 50 V 50 V C13 0.1 uF DateDESCRIPTIONEcr(s)/Ecn(s)Chgd ByAppvd byDateREV 211-28-01ADDED DASH -15, -16 AND -17 N00746RLB ADDED -18 AND -19 N00819 3 5-3-02RLB RadioFans.CN 收音机爱 好者资料库 DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAUTION: TO AVOID RISK OF ELECT

28、RIC SHOCK, REFER SERVICING TO QUALIFIED THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE TOUCHING INTERNAL PARTS. 1) CAUTION: SHOCK HAZARD! 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. 3) VOLT

29、AGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE AND 10 MEGOHM DIGITAL VOLTMETER. SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. DCBA 1 FE 1 Signatures: Checked: Drawn: Sheet Class Code: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Dra

30、wing Size: Drawing Type: Schematic Released: REVDateDESCRIPTION E Tolerance: Plot Date: Plot Time: Mon May 06, 2002 A RLB CONTROL ISSUE ADDED DASH -10, -12 & -14 1 0 9-29-00 4-28-00 INITIAL ISSUE RLB RLB D000717 C of Drawing Title: Drawing Number: NONE Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, I

31、NC Date: 10-5-99 11880 Borman Drive, St. Louis, MO 63146 Chgd By Appvd by F 07S886-XX 2 DSP EFFECTS BD Date 4 3 DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAUTION: TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DI

32、SCONNECT POWER AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE TOUCHING INTERNAL PARTS. 1) CAUTION: SHOCK HAZARD! 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE AND 10 MEGOHM DIGITAL VOLTMETER. SE

33、RVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. DCBA 1 FE 1 Signatures: Checked: Drawn: Sheet Class Code: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Drawing Size: Drawing Type: Schematic Released: REVDateDESCRIPTION E Tolerance: Plo

34、t Date: Plot Time: Mon May 06, 2002 A 3 RLB CONTROL ISSUE ADDED DASH -10, -12 & -14 1 0 9-29-00 4-28-00 INITIAL ISSUE RLB RLB D000717 C of Drawing Title: Drawing Number: NONE 18 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 10-5-99 11880 Borman Drive, St. Louis, MO 63146 Chgd By Appvd by F

35、 07S886-XX 2 DSP EFFECTS BD Date 4 3 EE RD +5V WR +5V FL2 BG D18 D15 D16 D12 D13 D10 D9 D6 D7 D3 D4 D1 D0 DMS RD EBG ELIN PF7 PF4 D14 D13 D11 D10 D8 0.001 uF C58 50 V +5V D5 1N914 R26 1K D2 1N914 1N914 D1 .01 R14 50 V C4 1 50V C7 50 V 270 pF C9 0.047 uF 50 V D-GND C11 10 100V D-GND 2 RST ADM809 R7 1

36、0K D-GND R3 47 R59 220 RESET SCLK1 +5VDSP FL1 FL0 R38 4.7 D17 D11 D14 D8 D5 D2 CMS BMS ELOUT EINT EBR ECLK ERESET EMS PF5 PF6 R40 100K R16 100K R17 100K D15 D12 D9 BMS WR 1 2 3 4 5 6 7 8 J2 Value R57 100 5 1/16 W D6 1N914 C57 50 V 0.001 uF R37 1K R1 1K 5% 1/16 W C16 16 V 0.47 uF R39 100K R4 1 C8 0.1

37、 uF 50 V C1 22 pF 50 V 2 RST ADM809 5VRST R6 47 5% 1/16 W R15 100K +VIN +5VDSP PWD+5VDSP DR1 DT1 A13 A10 A7 A4 A1 D18 A13 D16 A10 A11 A8 A7 A4 A5 A1 A2 0.001 uF C59 50 V 1N914 D7 C43 0.01 uF 50 V R10 47K R36 470K C17 1/8W 1 C5 50V 1 C6 50 V 270 pF 0.1 uF C10 50 V R58 10K R27 4.7K 5% 1/16 W R60 4.7K

38、RFS1 C3 47 pF 50 V D-GND R5 47 5% 1/16 W PWD RESET A12 A11 A5 A9 A8 A6 A3 A2 A0 D17 A3 A6 A9 A12 A0 C12 16 V 0.47 uF 2 XTAL_IN 3 XTAL_OUT 5 SDATA_OUT 6 BIT_CLK 8 SDATA_IN 10 SYNC 11 RESET12 PC_BEEP 13 PHONE_IN 14 AUX_L 15 AUX_R 16 VIDEO_L 17 VIDEO_R 18 CD_L 19 CD_GND_SNSE 20 CD_R 21 MIC1 22 MIC2 23

39、LINE_IN_L 24 LINE_IN_R 27 VREF 28 VREFOUT 29 AFILT1 30 AFILT2 31 FILT_R 32 FILT_L 33 RX3D 34 CX3D 35 LINE_OUT_L 36 LINE_OUT_R 37 MONO_OUT 43 N/C 44 N/C 45 CS0 46 CS1 47 CHAIN_IN 48 CHAIN_CLK 40 N/C 39 LNLVL_OUT_L 41 LNLVL_OUT_R AD1881 C2 22 pF 50 V D-GND SST 29EE512 D-GND 11 A13 10 A12 9 A11 8 A10 7

40、 A9 6 A8 42 SCLK1 35 SCLK0 33 RFS0 39 RFS1 38 TFS1 40 DR1 87 FL0 85 FL2 86 FL1 31 DT0 34 DR0 37 DT1 32 TFS0 95 BGH 91 PWD 96 PWDACK 44 RESET 52 BR 54 BG 5 A7 4 A6 2 A5 1 A4 100 A3 99 A2 98 A1 97 A0 14 XTAL 16 CLKOUT 13 CLKIN 43 ERESET 45 EMS 50 EINT 46 EE 47 ECLK 48 ELOUT 49 ELIN 93 PF1/MODE_B 30 IR

41、Q2/PF7 29 IRQL1/PF6 27 IRQL0/PF5 26 IRQE/PF4 88 PF3 89 PF2/MODE_C 94 PF0/MODE_A 83 D22 82 D21 81 D20 79 D19 78 D18 77 D17 76 D16 75 D15 74 D14 73 D13 72 D12 70 D11 69 D10 68 D9 65 D8 64 D7 63 D6 62 D5 61 D4 58 D3 57 D2 56 D1 55 D0 25 CMS 24 IOMS 21 BMS 22 DMS 23 PMS 19 WR 20 RD 84 D23 51 EBR 53 EBG

42、COMMON MODE SPORT0SPORT1 ADDRESS BUS CLOCK IRQS ICE-PORT DATA BUS BUS CONTROL ADSP-2186 DateDESCRIPTIONEcr(s)/Ecn(s)Chgd ByAppvd byDateREV 211-28-01ADDED DASH -15, -16 AND -17 N00746RLB ADDED -18 AND -19 N00819 3 5-3-02RLB RadioFans.CN 收音机爱 好者资料库 DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE

43、BY QUALIFIED PERSONNEL. CAUTION: TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE TOUCHING INTERNAL PARTS. 1) CAUTION: SHOCK HAZARD! 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL

44、. CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE AND 10 MEGOHM DIGITAL VOLTMETER. SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. DCBA 1 FE 1 Signatures: Checked: Drawn: Sheet Class Code: THE INFO

45、RMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Drawing Size: Drawing Type: Schematic Released: REVDateDESCRIPTION E Tolerance: Plot Date: Plot Time: Mon May 06, 2002 A RLB CONTROL ISSUE ADDED DASH -10, -12 & -14 1 0 9-29-00 4-28-00 INITIAL ISSUE RLB RLB D000717 C of Drawing Title: Drawing Numbe

46、r: NONE Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 10-5-99 11880 Borman Drive, St. Louis, MO 63146 Chgd By Appvd by F 07S886-XX 2 DSP EFFECTS BD Date 4 3 DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAUTION: TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICIN

47、G TO QUALIFIED THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE TOUCHING INTERNAL PARTS. 1) CAUTION: SHOCK HAZARD! 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. 3) VOLTAGES ARE MEASURED WITH 1

48、MEGOHM OSCILLOSCOPE AND 10 MEGOHM DIGITAL VOLTMETER. SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. DCBA 1 FE 1 Signatures: Checked: Drawn: Sheet Class Code: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Drawing Size: Drawing Type:

49、Schematic Released: REVDateDESCRIPTION E Tolerance: Plot Date: Plot Time: Mon May 06, 2002 A 4 RLB CONTROL ISSUE ADDED DASH -10, -12 & -14 1 0 9-29-00 4-28-00 INITIAL ISSUE RLB RLB D000717 C of Drawing Title: Drawing Number: NONE 18 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 10-5-99 11880 Borman Drive, St. Louis, MO 63146 Chgd By Appvd by F 07S886-XX 2 DSP EFFECTS BD Date 4 3 +5V +VIN PF7 PF4 DT1 D-GND L1 FERRITE 50