Crate_BT-220H_Preamp_(07S662)_Schematics电路图.pdf

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1、5-13-04 C R01247RLB 1 4 CAUTION: ABCD Tolerance: Plot Time: Plot Date: E F 4 2 NOTES: 1 Checked: Drawn: Released: REVDate Sheet1of NONE 2 Date: 6-19-03 Appvd by 3 1 ABCDEF 2 Mon May 17, 2004 Drawing Title: 1901 Congressional, St. Louis, MO 63146 ST. LOUIS MUSIC, INC 3 Signatures: Drawing Number: 07S

2、662 BASS PREAMP First Used On: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Ecr(s)/Ecn(s)Chgd ByDate 1) CAUTION: SHOCK HAZARD! Drawing Type: Schematic Drawing Size: CHANGED C61, C62 TO 22uf CONTROL ISSUE TOUCHING INTERNAL PARTS. Class Code: RLB DESCRIPTION 3) VOLTAGES ARE MEASURED WIT

3、H 1 MEGOHM OSCILLOSCOPE 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. AND 10 MEGOHM DIGITAL

4、 VOLTMETER. THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. 5-13-04 C R01247RLB 1 4 CAUTION: ABCD Tolerance: Plot Time: Plot Date: E F 4 2 NOTES: 1 Checked: Drawn: Released: REVDa

5、te Sheet1of NONE 2 Date: 6-19-03 Appvd by 3 1 ABCDEF 2 Mon May 17, 2004 Drawing Title: 1901 Congressional, St. Louis, MO 63146 ST. LOUIS MUSIC, INC 3 Signatures: Drawing Number: 07S662 BASS PREAMP First Used On: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Ecr(s)/Ecn(s)Chgd ByDate 1)

6、CAUTION: SHOCK HAZARD! Drawing Type: Schematic Drawing Size: CHANGED C61, C62 TO 22uf CONTROL ISSUE TOUCHING INTERNAL PARTS. Class Code: RLB DESCRIPTION 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. AND BE SURE POWER SUPPLY IS DISCHARGED B

7、EFORE THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. AND 10 MEGOHM DIGITAL VOLTMETER. THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYO

8、ND THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. M G 16 15 13 12 10 9 7 6 4 3 1 +9 -9 +15 0 -15V 14 17 11 8 2 5 -12 S G H A TEST POINT 120VAC R 100mV450Hz 250Hz18V 800mV 260mV 3V 3.5V 180mV WAVE SHAPE A.C. p-p 17V -55V 7.5V .7V 15V D.C. 6 5 7 TLO-72 R14 10K 100K R61 R40 4.7K C41 1 C1 .0

9、47 220K R2 +15V 220 35V C17 1 Q 2 Q 5 DATA 6 SET 4 RESET 3 CLK U12:A CD4013B R49 220K TP7 C37 .22 6 5 7 TLO-72 R59 22K R56 10K R52 100K 6 5 7 TLO-72 C38 470 pF 10K R89 C60 1 50 V C46 .22 6 5 7 TLO-72 D23 1N914 R63 2.2K 1 C49 R51 2.2K 1/4W C3 220 pF CW P10 10KL OCTAVE .0033 100V C48 R64 100K C13 .002

10、2 C11 .01 R20 15K R5 1K 10 C5 TP1 C57 .1 50V G S D Q10 J175 2N5088 Q2 C14 56 pF R18 1K 1 C10 Q1 MPS-A13 +15V 1M R69 C CW SHAPE P1 50KL R7 22K R9 22K .1 50V C55 .1 C56 50V R80 1M C7 .015 50V D3 YEL LIMIT C9 56 pF TP5 2 3 1 TLO-72 10K R10 H R44 4.7K TP6 450Hz27V 180mV 1.5V 55V -17V +/-4V .7V TI TCTC T

11、OTO TI SW2:A 0dB/-15dB S D G J175 Q7 R37 100K 1 2 3 J21 13 Q 12 Q 9 DATA 8 SET 10 RESET 11 CLK U12:B CD4013B D20 1N746ARL R54 100K 2.2K R88 TP8 2.2 C4 R48 47K R62 100K Q3 2N5088 CW P4 10KL LEVEL C12 .1 50V R68 1K 1/4W R47 47K D22 1N914 R19 1K 2 3 1 TLO-72 C53 2.2 TP2 2 1.8K R27 1/4W 5per .1 50V C8 R

12、8 6.8K CW P11 50KL LEVEL C52 3.3 C16 10 2 3 1 TLO-72 CH_GND1 LIMIT_LED .4 RIPPLE CHANNEL A SELECTED CHANNEL B SELECTED CHANNEL B SELECTED CHANNEL A SELECTED CHANNEL A SELECTED CHANNEL A SELECTED SPECIAL CONDITIONS GAIN B, TONES 5, OCTAVE 0, & MASTER 10 GAIN A 10, SHAPE 5, A LEVEL 5, R57 22K R58 10K

13、+15VX 50V C43 .015 R50 150K 2 3 1 TLO-72 R34 1K 2 3 1 TLO-72 56 pF C2 1N914 D2 220 R38 .015 50V C45 R60 22K 2.2 C54 R81 1M C50 1 R55 10K C39 56 pF C6 .0033 100V D21 1N914 R6 22K C40 2.2 CW P6 50KL HIGH R79 1M 1/4W 5per TP3 CW P3 50KL LO MID R21 22K R15 2.2K R3 15K R11 22K G S D J175 Q9 CW P9 10KL MA

14、STER 10K R12 .4 RIPPLE CHANNEL A SELECTED CHANNEL B CLEAN, 500Hz INPUT 80mV p-p .1 C44 50V TP10 C42 .015 50V R35 1M D5 1N746ARL R53 220 TP9 1K R39 D1 1N914 22K R1 +15V R67 1K 1/4W R36 10K G DS J175 Q5 G SD Q4 J175 6 5 7 TLO-72 2N5210 Q6 TP4 CW P5 50KL HI MID CW P2 50KL LOW R16 6.8K 2 3 1 TLO-72 47K

15、R22 R4 1K C15 .022 R66 6.8K 6.8K R65 G S D Q8 J175 6 5 7 U5:B TLO-72 B R17 22K DUAL RCA J18 CW P12 250KLGAIN I CC OO I SW2:B MUTE T/S J1 RadioFans.CN 收音机爱 好者资料库 5-13-04 C R01247RLB 1 4 CAUTION: ABCD Tolerance: Plot Time: Plot Date: E F 4 2 NOTES: 1 Checked: Drawn: Released: REVDate Sheet2of NONE 2 D

16、ate: 6-19-03 Appvd by 3 1 ABCDEF 2 Mon May 17, 2004 Drawing Title: 1901 Congressional, St. Louis, MO 63146 ST. LOUIS MUSIC, INC 3 Signatures: Drawing Number: 07S662 BASS PREAMP First Used On: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Ecr(s)/Ecn(s)Chgd ByDate 1) CAUTION: SHOCK HAZAR

17、D! Drawing Type: Schematic Drawing Size: CHANGED C61, C62 TO 22uf CONTROL ISSUE TOUCHING INTERNAL PARTS. Class Code: RLB DESCRIPTION 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE THAT EXPLAINED

18、 IN THE OPERATING INSTRUCTIONS. TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. AND 10 MEGOHM DIGITAL VOLTMETER. THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THIS SCHEMATIC IS

19、 PROVIDED FOR USE BY QUALIFIED PERSONNEL. 5-13-04 C R01247RLB 1 4 CAUTION: ABCD Tolerance: Plot Time: Plot Date: E F 4 2 NOTES: 1 Checked: Drawn: Released: REVDate Sheet2of NONE 2 Date: 6-19-03 Appvd by 3 1 ABCDEF 2 Mon May 17, 2004 Drawing Title: 1901 Congressional, St. Louis, MO 63146 ST. LOUIS MU

20、SIC, INC 3 Signatures: Drawing Number: 07S662 BASS PREAMP First Used On: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Ecr(s)/Ecn(s)Chgd ByDate 1) CAUTION: SHOCK HAZARD! Drawing Type: Schematic Drawing Size: CHANGED C61, C62 TO 22uf CONTROL ISSUE TOUCHING INTERNAL PARTS. Class Code: RL

21、B DESCRIPTION 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED CAPACITOR VALUES IN MICRO

22、FARADS, 50V-10% TOL. AND 10 MEGOHM DIGITAL VOLTMETER. THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. S R +15V M -15V -50V D +15V +15VB +50V +50V +15V C +15V CHAN +15VX J33 1 -15V

23、B 1 R91 8.2K 1 1 R83 2.2K 1 .0033 C24 250V 5 -50V D +15V -15V LIMIT_LED J36 J20 J34 4700 C36 80V 4700 C35 80V TP14 TIPRING 15V 1N4744ARL D11 R70 2.2K R72 470 TP16 +15V +15V TP11 +15V -15V Q12 MPS-A13 -15VX 100 35V C51 100 C47 35V A J17 1 1 F1 5 A SB 2 3 1 U9:A TLO-72 R95 270 1/4W 5per C62 22 50V 2 1

24、 3 J19 BAL LINE OUT .0033 C19 250V 3 J7 4 -50V J35 R76 47K 1N4744ARL 15V D10 .047 C22 100V TP17 B R77 47K R71 47K R73 2.2K .1 C30 50V .047 C26 100V +15V C59 .1 50V R78 470K TP12 PWR_AMP_IN PWR_AMP R93 22K .047 C63 100V 22K R92 OUTPUTS J16 4.7K 1/2W 5per R24 J23 J14 J9 J12 SW J22J11 J10 PWR_AMP_IN PW

25、R_AMP 3 2 1 J5 R23 620 10W 5per C18 .22 100V R25 620 10W 5per C29 .22 100V R26 620 10W 5per J27 220 1/4W 5per R105 SLV_SW R109 22 1/4W 5per 100 C25 35V R108 22 1/4W 5per 100 C27 35V MPS-A13 Q14 Q13 2N5088 R75 470 C58 .1 50VD24 RED 1.5K R74 CW BAL LINE OUT P7 10KL J32 1.5K R90 R94 270 1/4W 5per FC1 F

26、USE CLIP FC2 FUSE CLIP 6 5 7 U9:B TLO-72 C61 22 50V J3 SEND J4 RETURN TI TCTC TOTO TI SW3:A PRE/POST 2.2K R84 D9 GRN J15 J13 J26 PRE AMP OUT J2 POWER AMP IN 1 2 3 RC3 FLAT CABLE 1 2 J24 J29 R13 620 10W 5per TP15 820 1W 5per R106 SLVE_SW SLEEVE TIP_SW RING RING_SW TIP FOOTSWITCH J30 J6 SPEAKER 1 2 3 4 5 RC1 LEOCO RIBBON .047 C23 100V MPS-A13 Q11 TP13 1 2 3 4 5 6 J28 J8 SPEAKER O C I O C I DPDT DUAL SW1 1 2 3 4 5 6 7 RC2 FLAT CABLE I CC OO I SW3:B GND/LIFT SLVE_SW SLEEVE TIP_SW RING RING_SW TIP J25 HEADPHONES RadioFans.CN 收音机爱 好者资料库