Crate_palominov8 电路图 维修原理图.pdf

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1、12/11/03 C A 4 CAUTION: ABCD Tolerance: Plot Time: Plot Date: E F 4 2 NOTES: 1 Checked: Drawn: Released: REVDate Sheet1of NONE 1 Date: 12/10/03 Appvd by 3 1 ABCDEF 2 Mon Jun 20, 2005 Drawing Title: 11880 Borman Drive, St. Louis, MO 63146 ST. LOUIS MUSIC, INC 3 Signatures: Drawing Number: 07S482 PWA

2、- 5WATT TUBE AMP 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: INITIAL ISSUE TOUCHING INTERNAL PARTS. Class Code: REM DESCRIPTION 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE

3、2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/8W-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 VOLTMETER. THIS UNIT CO

4、NTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. 12/11/03 C A 4 CAUTION: ABCD Tolerance: Plot Time: Plot Date: E F 4 2 NOTES: 1 Checked: Drawn: Released: REVDate Sheet1of NONE 1 Date: 12/10/03

5、 Appvd by 3 1 ABCDEF 2 Mon Jun 20, 2005 Drawing Title: 11880 Borman Drive, St. Louis, MO 63146 ST. LOUIS MUSIC, INC 3 Signatures: Drawing Number: 07S482 PWA - 5WATT TUBE AMP First Used On: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Ecr(s)/Ecn(s)Chgd ByDate 1) CAUTION: SHOCK HAZARD!

6、Drawing Type: Schematic Drawing Size: INITIAL ISSUE TOUCHING INTERNAL PARTS. Class Code: REM DESCRIPTION 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/8W-5% TOL. AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE THAT EXPLAINED IN THE OPERATING INSTRUCTIO

7、NS. 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 PROVIDED FOR USE BY QUALIFI

8、ED PERSONNEL. J7 C22 16V 220 C21 220 16V 1N4007 1KV PIV D4 1N4007 1KV PIV D3 R1 1M 1/2W 1% 220 16V C20 1N914 D7 220 C19 16V 1N914 D5 1N4007 1KV PIV D2 1N4007 1KV PIV D1 J6 R4 22K .047 100V C3 220 pF 100V C2 .22 C4 .1 C26R19 1K 200V 56 pF C5 1.5K 1/2W 1% R10 24 93 1 J2:A 9-PIN C24 .0033 250V J13 CW 2

9、50K L SHAPE P2 100 pF 200V C9 R21 221K 1/2W 1% C13 22 EL84 C15 10 450V BLUE J4 C25 10 450V 2 1 J19 RED J5 1N914 D10 75V PIV 1 2 3 J8 6 5 7 TLO-72 IC1:B CW P3 250K A GAIN 1 2 3 4 5 J9 R7 100K .1 C6 1% 100K 1/2W R9 C7 22 22.1K 1/2W 1% R11 221K 1/2W 1% R12 CW LEVEL P1 10K L R6 100K 1/2W 1% 1.5K 1/2W 1%

10、 R15 .047 400V C14 R16 221K 1/2W 1% 9 2 3 7 45 J3 9-PIN 10K 2W R18 NOT ON PWA NOT ON PWA NOT ON PWA 1N914 D8 1N914 D6 47K R3 2 3 1 IC1:A TLO-72 1K R2 .1 C1 R5 2.2K D9 1N914 75V PIV J11 J12 J18 .0022 100V C12 47K R8 C10 100V .01 J15 FUSE CLIP FC2 R17 2W 100 75 98 6 J2:B 9-PIN C11 .0047 100V C16 63V 220 C18 100 450V INPUT J1 C23 250V .0033 J10 C8 .047 400V SLVE_SW SLEEVE TIP_SW RING RING_SW TIP J17 LINE OUT J14 221K 1/2W 1% R13 R14 100K 1/2W 1% 1K 2W R20 FUSE CLIP FC1 收音机爱好者资料库 Ra d i o Fa n s .CN