Crate_GTX-212_(07S195,_07S279)_Schematics电路图.pdf

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1、2007 LOUD Technologies Inc. All rights re served PWA DSP Guitar Amplifi er PCB SchematicsPAGE 1 GTX212 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

2、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. SERVICE PER

3、SONNEL. 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: Plot Date: P

4、lot Time: Thu Jun 26, 2003 0 11/27/02 1 REM CHGD C36 FROM .1 TO .O1 UF . 1 6/26/03 CONTROL ISSUE REMN01177 C of Drawing Title: Drawing Number: NONE 2 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 8/30/02 11880 Borman Drive, St. Louis, MO 63146 Chgd ByAppvd by F GTX212d 07S195-XX 2 PWA - DS

5、P GUITAR AMP Date 4 3 9 * 5 4 3R 8 7 6 2 1 TP C 30Vpp 9.8Vpp 5Vpp 7.2Vpp GND-CH D -16V +16V IB J8 B C2 D +16V 4.8Vpp 9.8Vpp 3.3Vpp 18Vpp .48Vpp C9 .22 R5 15K C3 .0068 100V R4 680K REPLACE WITH JUMPERS ON DSP VERSIONS 0 R90 R80 6.8K E .22 C4 C29 56 pF 200V R46 1K C32 2.2 6 5 7 IC3:B TLO-72 .015 C10 A

6、 R2 22K R11 2.2K R88 0 R47 4.7K R72 12K D4 1N746ARL 3.3V S D G J112 Q21 47K R64 R109 4.7K G S D Q25 J175 TP3 R10 10K 4.7K R14 D32 1N4002TR 100V PIV G S D J175 Q29 R112 10K C2 R17 4.7K C15 2.2 .1 100V C63 1000 C64 16V 10K R92 TP7 R113 1M 7 5 6 IC2:B TLO-72 6 1 2 3 4 5 J10 JOW1 R115 47K 1N914 D9 22K R

7、91 C60 .0022 100V 10K R30 C42 2.2 CW P4 10K A LOW +16V T C31 .1 50V G S D Q7 J175 .015 C27 100V C19 .01 .001 100V C33 27K R48 B2 R106 1M .22 C17 D1 1N914 6 5 7 TLO-72 IC5:B C1 .47 CW 500 A P9 MID 1.5K R1 C5 .1 C7 1 G S D J175 Q1 680 R9 REPLACE WITH JUMPER ON DSP VERSIONS D31 1N4002TR 100V PIV C49 1

8、6 5 7 IC4:B TLO-72 Q6 2N5210 1N914 D6 R26 22K 47K R89 D10 1N914 R38 1K 1 C20 C13 .22 CW 500 A P13 MID CW HIGH P5 10K L TP8 2 3 1 TLO-72 IC3:A 10K R52 Q31 2N5087 C18 .0056 100V R57 15K 1N914 D16 C24 2.2 4.7K R22 30Vpp30Vpp 8Vpp 5.2Vpp .18Vpp 6.2Vpp 5.2Vpp A 1.5Vpp 5Vpp3Vpp 3.2Vpp3.6Vpp 2.5Vpp 5.2Vpp

9、.48Vpp.48Vpp CONDITION A CONDITION B CONDITION C +40V .047 C8 100V 1N914 D2 J1 INPUT S D G Q26 J112 E 2 3 1 IC5:A TLO-72 47K R94 R84 100K C34 2.2 R59 47K C47 1 CW 10K A P8 LOW C52 .047 100V C56 100V .0015 CW P10 10K L HIGH C2 .0033 100V R12 10K R3 22K R7 22K D3 1N746ARL 3.3V C71 .0033 100V C6 10 35V

10、 TP1 D34 1N4002TR 100V PIV I J2 R75 47K C50 .001 100V C53 56 pF 200V B R77 47K R73 100K R34 47K 47K R28 4.7K R16 G S D Q3 J175 TP4 DISTORTION CHANNEL R58 10K R68 1M R56 47K 1N754ARL D39 G S D J175 Q16 3 2 1 IC4:A TLO-72 C38 .001 100V 2.2K R99 JOW2 C23 1 C25 .47 R43 22K R45 4.7K TP5 R51 1M C30 .0047

11、100V R29 4.7K 0 R82 R6 6.8K R42 150K C46 2.2 R76 10K CW 100K RA P7 LEVEL CLEAN CHANNEL TP6 R18 1.5K 2 3 1 IC1:A TLO-72 6 5 7 TLO-72 IC1:B 1M R8 S D G Q4 J112 2 3 1 IC2:A TLO-72 CW 10K A P6 OVERDRIVE LEVEL CW P1 10K L OVERDRIVE GAIN TP2 D33 1N4002TR 100V PIV 10 R107 1/2W R116 47K G S D J175 Q2 R21 47

12、K 2N5210 Q8 .01 C82 100V CW SOLO GAIN 10K L P2 G DS Q24 J175 D20 1N914 R118 10K R78 22K R44 1.5K .01 C81 100V R41 2.2K CW 10K L SHAPE P3 C68 .22 J11 2_PWRAMP CW P12 10K A SOLO LEVEL RadioFans.CN 收音机爱 好者资料库 2007 LOUD Technologies Inc. All rights re served PWA DSP Guitar Amplifi er PCB SchematicsPAGE

13、2 GTX212 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

14、 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. SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. DCBA

15、 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: Plot Date: Plot Time: Thu Jun 26, 2003 0 11/27/02 2 Checked By REM CHGD C36 FROM .1 TO .O1 UF . 1 6/26/03

16、CONTROL ISSUE REMN01177 C of Drawing Title: Drawing Number: NONE 2 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 8/30/02 11880 Borman Drive, St. Louis, MO 63146 Chgd ByAppvd by F GTX212d 07S195-XX 2 PWA - DSP GUITAR AMP Date 4 3 0V -.67V A DC 34V - S+ R -16V +16V -10V 15 13 12 11 10 +16V 0

17、V OR +10V+10V 0V +10V -34V .048V 1.4V .048V -16V-16V B D -40V 2_PWRAMP E +16V +16V +40V 100V BLK -40V +40V +40V -40V +16V S- T D27 1N914 Q17 MPS-A55 E R117 4.7K 1N746ARL 3.3V D25 R74 1.5K R71 1M .01 C41 100V +16V 1 2 3 4 J4 -10V A ACTP 14 1N914 D36 .01 C37 100V +16V +16V R32 4.7K +10V0V CB R102 33K

18、R53 100K A .01 C73 100V C R19 2.2K R70 22K JOW6 10 1/2W R62 TP10 J19 J17 230V 120V 240V J17 J20 J19 330 R40 J28 J26 J27 D14 1N914 +40V C76 .1 100V TP12 C21 1 +40V 3.3K R31 1/2W C78 .1 100V -40V Q15 TIP-147 D21 1N914 D13 1N914 TIP-142 Q11 4700 C70 -40V 4700 C67 R85 .47 5W 4.7 R20 +40V .1 100V C66 R95

19、 220 5W .1 100V C69 R96 220 5W 10 R97 1/2W .047 C59 100V C26 35V 47 100 35V C12 100 35V C14 -16V R55 33K R79 1K R81 470 D22 1N914 2.2K R98 1M R54 10K R67 10K R25 R108 1K R15 47K C74 .047 100V 3.3K R110 S D G Q10 J112 R69 47 R49 680 220 C45 330 R100 R104 .1 5W R65 27K R13 1.5K R63 220 1/2W C77 .1 100

20、V C39 1 C22 220 pF 100V 2N5088 Q9 C79 .1 100V 220 pF C43 100V MR-752 200V PIV D12 Q23 TIP-147 TIP-142 Q5 .047 100V C28 + .047 100V C44 4 W 1 2 3 4 5 6 7 8 9 10 11 J21 D CLEAN SOLO B 1.8Vpp RIPPLE 32Vpp 35Vpp 35Vpp .65Vpp WHITE J22 J13 OPT1 S+ C75 1 C65 1 D24 1N914 -16V D18 GRN CLEAN B OVERDRIVE 1.1V

21、pp MPS-A55 Q27 D37 1N914 R105 1M R103 33K C48 .1 R27 2.2K FOR DSP VERSIONS SEE BOM C36 .01 D19 1N914 J25 J24 LINE R66 47 C35 220 pF 100V C51 220 1.8Vpp RIPPLE EXPORT WIRING BLUE GRAY/WHT BROWN J23 OPT3 OPT2 J13 J22 ICL1 3A R60 4702N5087 Q18 R36 220 R39 470 10 C57 35V .001 100V C11 C40 220 pF 100V R2

22、4 1.5K 1/2W 06a195-01/02 120 WATT/ 65 WATT D28 1N5353B 16V 1N5353B D29 16V ON 120W VERSIONS ONLY R83 .47 5W S- TO SPEAKERJ15 MR-752 200V PIV D5 TP13 I CC OO I S2 CLEAN/OVERDRIVE R50 2.2K I CC OO I S1 SOLO/OVERDRIVE +16V B2 Q22 MPS-A13 MPS-A13 Q28 D8 RED SOLO MPS-A13 Q13 R86 2.2K J29 D7 YEL OVERDRIVE

23、 Q14 2N5087 2N5087 Q20 D23 1N914 MJE-340 Q19 REPLACE WITH 0.2 OHM, 5W ON 60W VERSIONS ONLY J23 2 13 5 4 CT T1 R61 220 D17 1N914 R101 100 CW AP1 500 MPS-A06 Q12 TP11 .047 100V C16 TP14 TP15 4.7 R37 J5 R33 .47 5W R23 .47 5W SWITCHING LOGIC ISOLATED TABS PARK THE THREE DESIRED LINE VOLTAGE. CONNECT APP

24、ROPIATE TEST POINT CONDITIONS FOR POWER AMP: UNUSED LEADS ON J26, J27, & J28. XFMR LEAD TO J17 FOR GBPC602 D35 NEUTRAL 1kHz SINE WAVE INPUT INTO INSERT TIP, 4 OHM LOAD RadioFans.CN 收音机爱 好者资料库 2007 LOUD Technologies Inc. All rights re served PWA DSP Guitar Amplifi er PCB SchematicsPAGE 3 GTX212 DCBA

25、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) UN

26、LESS 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 Signat

27、ures: 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: Thu Apr 17, 2003 0 3/12/01 1 WFB PWB FROM -01 TO -02. ADDED TUNER CIRCUIT .1 CAPS TO DIODE BRIDGE.

28、 ASSY -02 TO -03 ADDED -01 ASSY. ADDED -04, -05 ASSY 2 1 3/7/02 10/24/01 CONTROL ISSUE WFB REM N00769 N00679 C of Drawing Title: Drawing Number: NONE 2 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 8/11/00 11880 Borman Drive, St. Louis, MO 63146 Chgd ByAppvd by F 07S279-XX 2 PWA - GUITAR A

29、MP 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. DISCONNECT POWER AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE TOUCHING INTERNAL PARTS. 1) CAUTION: SH

30、OCK 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. SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. D

31、CBA 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: Plot Date: Plot Time: Thu Apr 17, 2003 0 3/12/01 1 WFB PWB FROM -01 TO -02. ADDED TUNER CIRCUIT .1 CAPS

32、 TO DIODE BRIDGE. ASSY -02 TO -03 ADDED -01 ASSY. ADDED -04, -05 ASSY 2 1 3/7/02 10/24/01 CONTROL ISSUE WFB REM N00769 N00679 C of Drawing Title: Drawing Number: NONE 2 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 8/11/00 11880 Borman Drive, St. Louis, MO 63146 Chgd ByAppvd by F 07S279-XX

33、 2 PWA - GUITAR AMP Date 4 3 8 7 4 3 2 1 TP 8 8 8 8 6 5 8 37-072-01 37-072-01 37-072-01 37-072-01 6Vpp 6Vpp 5Vpp 6.4Vpp 5.2Vpp .48Vpp D 4 4 4 4 -16V +16V E B A B A B C +40V 37-072-01 Part Number 2.8Vpp 12Vpp C9 .22 C3 .0068 100V R5 15K 4 -16V+16V 680K R4 R80 6.8K C1 .47 +16V R90 CW 10K L P10 HIGH .2

34、2 C4 R94 47K R46 1K C29 56 pF 200V 6 5 7 TLO-72 IC3:B C32 2.2 C10 .015 R2 22K R11 2.2K R47 4.7K D4 1N746ARL 3.3V 0 R88 R64 47K R79 4.7K 100V .047 C52 TP3 R14 4.7K R10 10K 1N4002TR D31 100V PIV R92 6.8K JOW1 R17 4.7K C15 2.2 TP16 R84 100K TP7 1N914 D6 6 5 7 TLO-72 IC2:B R77 47K Q8 2N5210 D R58 10K 2

35、3 1 IC4:A TLO-72 1 C20 1N914 D10 2.2 C42 R68 1M 330 R35 CW 10K A LOW P4 R56 2.2M +40V C38 10 35V G S D Q7 J175 .01 C19 100V .015 C27 C18 .0056 100V R48 27K .001 100V C33 C17 .22 C24 2.2 4.7K R22 1N914 D1 1 2 3 J18 TO TUNER CW P9 500 A MID 6 5 7 TLO-72 IC5:B .1 C5 1.5K R1 G S D J175 Q1 R9 680 C7 1 CW

36、 LEVEL 100K RA P7 CW 10K L P1 GAIN 1 R76 10K 2 3 1 IC5:A TLO-72 1N4002TR D32 100V PIV C49 1 100V .1 C63 16V 1000 C64 6 5 7 TLO-72 IC4:B Q6 2N5210 R91 22K 22K R26 R78 22K R30 10K 1K R38 D20 1N914 CW P5 10K L HIGH D15 1N914 C68 .22 C31 .047 100V 2 3 1 TLO-72 IC3:A 680K R52 IC5 IC4 IC2 IC1 Power Table

37、8Vpp 6Vpp 8Vpp6Vpp 2.8Vpp 7Vpp .55Vpp 16Vpp5.4Vpp .48Vpp1.5Vpp CONDITION A CONDITION C CONDITION B +16V B IC3 RefDes 14Vpp 9Vpp 5Vpp 100 C62 35V DOMESTIC VERSION ONLY -01, -03, -06, -07 DNP FOR -04, -05 C8 .047 100V +40V R6 6.8K TIP SLVE_SW TIP_SW SLEEVE J1 INPUT D2 1N914 2.2 C34 C47 1 CW 10K A P8 L

38、OWR59 47K 100V .0015 C56 CW P6 10K A LEVEL 22K R72 S D G Q4 J112 C2 .0033 100V R3 22K R12 10K D3 1N746ARL 3.3V R7 22K C6 10 35V TP1 1N4002TR D33 100V PIV J8 R107 10 1/2W J11 CW 10K L P11 LEVEL S D G Q21 J112 C53 56 pF 200V C60 .0022 100V G S D Q25 J175 R73 100K R34 47K R28 47K R16 4.7K D9 1N914 TP4

39、+16V R99 2.2K G S D Q16 J175 R41 2.2K R43 22K C25 .47 CW 10K L P3 SHAPE TP5 C30 .0047 100V R111 220 C46 2.2 R82 R42 150K CLEAN CHANNEL S D G J112 Q26 TP6 R8 1M R18 1.5K 6 5 7 TLO-72 IC1:B 2 3 1 IC2:A TLO-72 2 3 1 IC1:A TLO-72 TP2 1N4002TR D34 100V PIV C50 .001 100V R75 47K R89 47K S G D Q24 J175 R21

40、 47K G S DQ2 J175 CW 10K L P2 GAIN 2 TP9 TP8 R45 10K C23 1 R29 4.7K R44 1.5K R57 15K TEST POINT CONDITIONS 1 2 3 CONDITION A : CHANNEL A, GAIN ONE SELECTED, GAIN 1 10, LOW & HIGH 5, LEVEL 10, 1kHz 40mV SINE WAVE INPUT CONDITION B : CHANNEL A, GAIN TWO SELECTED GAIN 2 10, LOW & HIGH 5, LEVEL 10, 1kHz

41、 40mV SINE WAVE INPUT CONDITION C : CHANNEL B, LEVEL 10, LOW, MID, HIGH 5 1kHz 130mV SINE WAVE INPUT 1 2 3 4 J10 PROC. SIGNAL UNPROC. SIGNAL +V FOR DSP BOARD SLVE_SW SLEEVE TIP_SW RING RING_SW TIP J2 INSERT JACK OVERDRIVE CHANNEL 2_PWRAMP R79 = 12K OHM 1/4W VERSIONS -04, -05 G S D Q3 J175 DSP VERSIO

42、N (USES 06A279-02 PWB) : ASSY # 07-279-01 65 WATT VERSION ASSY# 07-279-03 120 WATT VERSION ASSY# 07-279-04 65W EURO VERSION ASSY# 07-279-05 120W EURO VERSION ASSY# 07-279-06 65W TUNER VERSION ASSY# 07-279-07 120W TUNER VERSION Spare Gate Table Last Used AP1 C79 D38 HS2 IC5 ICL1 INS8 J28 JOW4 JW90 NU

43、T2 P11 PWB1 Q27 R111 S3 SCRW6 Not Used C54, C55, C58, C61 D7, D8, D11, D26, D30 J6, J7, J9, J14, J16, J17 JOW3 JW7, JW16 R27, R87, R93, R109 Spare Gates DateDESCRIPTIONEcr(s)/Ecn(s)Chgd ByAppvd byDateREV 304/17/03 ADDED -06, -07 CONFIG N01172WFB RadioFans.CN 收音机爱 好者资料库 2007 LOUD Technologies Inc. Al

44、l rights re served PWA DSP Guitar Amplifi er PCB SchematicsPAGE 4 GTX212 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

45、 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. SERVICE PERSONNEL. DO NOT PERFORM ANY SER

46、VICING 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: Plot Date: Plot Time: Thu Apr 17, 2003 0 3

47、/12/01 2 WFB PWB FROM -01 TO -02. ADDED TUNER CIRCUIT .1 CAPS TO DIODE BRIDGE. ASSY -02 TO -03 ADDED -01 ASSY. ADDED -04, -05 ASSY 2 1 3/7/02 10/24/01 CONTROL ISSUE WFB REM N00769 N00679 C of Drawing Title: Drawing Number: NONE 2 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 8/11/00 11880

48、Borman Drive, St. Louis, MO 63146 Chgd ByAppvd by F 07S279-XX 2 PWA - GUITAR AMP 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. DISCONNECT POWER AND BE

49、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. 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: