Ampeg_PB250a_Portabass_Interconnect_Schematic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: Fri Sep 13, 2002 0 5-9-02 1 RLB ADDED -03 1 9-13-02 CONTROL ISSUE RLB N00967 C of Drawing Tit

4、le: Drawing Number: NONE 1 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 8-10-01 11880 Borman Drive, St. Louis, MO 63146 Chgd By Appvd by F PB250a 07S593-XX 2 BASS AMP Date 4 3 4 R101 J125 J124 J119 J113 J109 J107 J105 J104 J102 J101 D106 D105 D102 D101 C118 C117 C114 C112 C110 C107 C105 C

5、104 C102 C101 .4A - - - - - - - - - - - - - - - - - - - - - - - - - - - - .4A - - - - 8 PIN - - - - - 4 PIN - - .1uF .1uF .1uF .1uF 1.5uF - - 4 4 4 LIMIT GND 4 4 4 J129 J120 J111 J106 J103 D108 D103 C119 C116 C111 C106 C103 .4A - - - - - - -01 - - - - - - .4A - - - - - .1uF .1uF - -03 PWR AMP IN - P

6、WR AMP IN + FX SEND RING FX SEND TIP LINE OUT - PRE BAL OUT 4 FAN 4 4 FAN- FAN+ GND N/U N/U PWR AMP IN - PWR AMP IN + 4 FAN+ GND LIMIT GND GND ICL101 SW101 20 ohm 8 PIN SPEAKON 4 PIN IN4007 IN4007 .1uF .1uF 1500uF .1uF .1uF 1.5uF .047uF .047uF 20 ohm IN4007 IN4007 1500uF .047uF .047uF XFMR IN C102 1

7、00V 100V C107 R101 10W 10per 100V C105 FX RETURN PRE GND LIMIT GND GND FAN- N/U N/U PWR AMP IN - PWR AMP IN + R103 511 1per ICL102 JWOPT1 114BPC IN4007 IN4007 .1uF .1uF 1500uF REF DES .047uF C108 .047 100V 114BPC IN4007 IN4007 1500uF -02 .047uF O I C SW103:A C116D105 C119 D106 J132 J133 J122 J123 J1

8、31 J128 J127 J126 C112 C111 35V C118 C114 35V D107 1N4007TR 1KV PIV D104 1N4007TR 1KV PIV 1 2 3 4 J118 1 2 3 4 J101 1 2 3 4 J104 J102 J105 R104 511 1per C109 .047 100V O I C SW103:B 1 2 3 J117 ICL101 J119 J134 J121 J130 2 GND 1 IN 3 +15V_OUT 7815 1 GND2 IN 3 -15V_OUT 7915 POST BAL/LINE OUT + .25A .2

9、50 TAB AC CONN BKT 11 PIN 2 PIN SPEAKON 4 PIN JUMPER .047uf .047uf SPKR OUT B RING_SW TIP_SW SLEEVE TIP RING J103 SPKR OUT B C103 100V 100V C101 SPKR OUT A SPKR OUT A/ MONO-BRIDGED C106 100V 100V C104 D101 STEREO/MONO O I C SW101:B 2 1 J109 D102 JWOPT2 RING_SW TIP_SW SLEEVE TIP RING 114BPC J108 #2 #

10、8 #7 #9 #4 4:1 T101 O I C SW102:B O I C SW102:A 47 R102 .25A .250 TAB .250 TAB 12 PIN 114BPC JUMPER JUMPER J120 .047uf J125 J129 1CHASSIS_GND1 D108 2 1 3 J114 XLR M V D103 C110 C117 RING_SW TIP_SW SLEEVE TIP RING J106 1 2 3 4 5 6 7 8 9 10 11 J113 L100-8H O I C SW101:A 1 2 3 4 5 6 7 8 9 10 11 12 J107 L100-8H JWOPT1 CW P101 2K A RING_SW TIP_SW SLEEVE TIP RING J112 114BPC J124 AC LINE CONNECTOR ICL102 10 C113 35V 10 C115 35V 1 2 3 4 5 6 7 8 9 10 11 12 J111 L100-8H RING_SW TIP_SW SLEEVE TIP RING 114BPC J110 4 SEE TABLE FOR COMPONENT VALUE 3 3 RadioFans.CN 收音机爱 好者资料库