background image

A

C

NC

E

C

B

4N35

U1

1

2

3

4

5

6

1N4004

D30

4.7V

1N750

ZD10

220R

R80

1

A

C

NC

E

C

B

4N35

U2

1

2

3

4

5

6

1N4004

D31

4.7V/500mW

1N750

ZD11

220R

R81

2N2

16v

C20A

D23A

D22A

4u7

10v

C26A

39R

R58A

39R

R63A

4U7

10V

C25A

MJE340

Q18A

MJE350

Q19A

47R

R62A

MJE350

Q41

47R
R61A

330u

16v

C29A

MJE340

Q40

200R

R84

200R

R82

200R

R83

220K

2WATT

R60A

SHEET   OF

YORKVILLE

NAME:

PCB#&VER:

MODELS:

SCH VERSION:

TITLE:

DATE:

1

M1146

.

AP4040

M1146.SCH

AUG/30/99

OUTPUT-BD

1.30

2

10R

R59A

4

10p

200v

C23A

21K5:1%

R55A

D21A

D20A

D19A

MJE340

Q16A

MJE350

Q15A

D18A

D17A

150R

R57A

10R

R65A

BC550

Q17A

BC560

Q14A

17K8:1%

R56A

3K

R43A

2K

R53A

1K5

R51A

4K7

R50A

1K5

R47A

4K7

R46A

1K

R45A

1K

R44A

56K

R42A

56K

R38A

MPSA92

Q13A

MPSA42

Q12A

7K5

R41A

7K5

R39A

10p

200v

C22A

D16A

D15A

D13A

D14A

220R

R40A

22u

16v

C19A

22u

16v

C18A

10u

160V

C28A

10u

160V

C27A

10R

R66A

150R

R64A

MJL1302A

Q6

10K

R70A

4700U

80V

C25

220R0:FP1%

R51

249R:1%

R5

BC550

Q1

BC550

Q4

BC560

Q2

BC560

Q3

2R2

R3

2R2

R4

150R

R7

150R

R15

4K7

R10

CW

10K

LIN

RT1

1N

C2

470P

C4

12K

R8

249R:1%

R9

249R:1%

R19

12K

R16

39R

R12

39R

R14

MJL3281A

Q5

S

G

D

N

MTP10N15L

Q11

22R

R11

27K

R13

10K:1%

R6

39R

R1

249R:1%

R17

10K:1%

R18

22u

10v

C3

22u

10v

C5

1W

16v

ZD9

16v

1W

ZD8

68R

R2

120v

1n5

C1

91K

R36

27K

R37

0R47

1W

R85

27K

R38

91K

R39

0R15

5W

R52

0R15

5W

R53

0R1

5W

R57

0R1

5W

R56

0R1

5W

R59

0R1

5W

R58

0R1

5W

R61

0R1

5W

R60

BAV21

D11

BAV21

D10

270R

R34

270R

R50

MR854

D15

MR854

D14

MR854

D13

MR854

D22

5

P

S

G

D

IRF9520

Q12

12V

500mW

ZD4

12V

500mW

ZD5

330u

16v

C6

330u

16v

C7

200v 2n2

C15

1K

R46

3K6

5W

R29

3K6

5W

R45

620R

R30

200v 4N7

C9

MR854

D21

6

100v 2N2

C10

39R

R31

100v 470p

C16

39R

R47

MR854

D19

MR854

D18

1K

R35

MR854

D17

D7

220R0:FP:1%

R55

BC550

Q9

BC560

Q10

2R2
R27

2R2
R41

MR854

D16

MT1

G

MT2

MBS4992

Q29

D1

D2

D4

D3

470R

R26

470R

R43

16v 22n

C12

16v 22n

C13

3K

R20

3K

R22

7

4K7
R42

BC550

Q8

220K

R25

220K

R24

1U

10v

C8

4K7

R23

D5

350V

2N6517

Q7

2K2

R21

330R

R74

2K

R73

MT1

MT2

G

TRIAC_MAC224

Q30

20K

R35A

16v

10u

C21

33K
R64

10R

R65

39R

R32

39R

R48

1R

0.5W

R28

1R

0.5W

R44

120v 220n

C11

120v 220n

C14

20K

R40B

3R9

2W

R62

150v

10n

C19

BP1

BP2

16V
500mW
ZD7

MR854

D20

TP4

TP5

TP7

TP6

TP9

TP10

TP1

D9

TP8

18K

R70

4uH

L1

5R6

5W

R63

3

3K3

R68A

47K

R205

10u

120v

BC550

Q20A

BC560

Q21A

3K3

R69A

10K

R67A

4700U

80V

C22

4700U

80V

C23

4700U

80V

C24

39R

16v

1W

1R

1W

R49

1R

1W

R33

YS6927

Q21

YS6900

Q20

YS6927

Q28

YS6900

Q18

YS6927

Q26

YS6900

Q16

0R1

5W

0R1

5W

YS6927

Q24

YS6900

Q14

YS6900

Q13

YS6900

Q19

YS6900

Q17

YS6900

Q15

YS6927

Q23

MR854

YS6927

Q25

MR854

YS6927

Q27

MR854

YS6927

Q22

MR854

1K

R40

MR854

MR854

50V 22n

C30

BC560

4K7

BC550

10U

63V

C32

33V
1N5257

ZD13

4V7
1N750

ZD12

1R

0.5W

120v 220n

3R9

2W

150v

10n

2+

2-

1+

1-

A/BRIDGED

SPEAKON

2+

2-

1+

1-

B

SPEAKON

MR854

33R

R72A

33R

R71A

16V

33u

C31A

16V

33u

C30A

MBS4992

NC MT1

MT2

MT1 MT2

G

MAC224

BF871

B C E

BF872

MJL1302A
MJL3281A

E

C

B

22K

0.5W

R69

22K

0.5W

R68

22K

0.5W

R66

22K

0.5W

R67

BC550C

C B E

BC560C

VIEW

BOTTOM

B

E

YS6900
YS6927

MJE340

E CB

MJE350

MTP10N15L

MTP23P06

S

D

G

4K7

R72

E B C

2N6517

2N5551

E B C

2N5401

IN

OUT

REF

AS35

8

3K6

5W

3K6

5W

4700U

80V

C28

4700U

80V

C27

4700U

80V

C26

IN

REF

OUT

AS35

Q31

1

2

3

4700U

80V

C29

2K

R49A

50V 22n

C31

10

9

8

7

6

5

4

3

2

1

#

DESCRIPTION OF CHANGE

VER#

DATE

MODEL(S):-

D

D

D

D

D

AUG/30/99

JUL/12/99

.

AUG/26/98

DEC/97

V

V

V

V

V

1.30

1.20

.

1.10

1.00

N

N

N

N

N

BRIDGED_SPKON_B->A

SPKON_JACKS_ADDED

ACROSS_R57A_AND_ACROSS_R64A

PC#5806_ADD_33u/16V_33R_IN_SERIES

FIRST_PRODUCTION

AP4040

M1146.SCH_DATABASE_HISTORY

100K

R71

CLIP

CLIP

CLIP

+F15

+F15

NFB

-F15

-F15

TSENS

-145

-145

-145

-145

+78

+78

+78

+78

+78

CLIM

CLIMCLIM

PRTCT

GND

GND

GND

-78

-78

-78

-78

+145

+145

+145

+145

SIG

TO POWER MODULE B

FP

FP

FP

FP

FP

FP

1.6 WATTS

16mA

4 WATTS

75mA IDLE

1.6 WATTS

16mA

TO HEATSINK

ISOTHERMAL

4 WATTS

75mA IDLE

B- B+

OUTPUTS

BETWEEN TESTPOINTS 8 & 9

ADJUST FOR 3 TO 5 MILLIVOLTS

IDLE CURRENT

4v ACROSS R5

OUTPUTS

4v ACROSS R17

4v ACROSS R5

OUTPUTS

M1146

Содержание ap4020 ys4020

Страница 1: ...ayout 4 Service Kit M1146 m1126 5 Power Amp Module AP4020 U S A Yorkville Sound Inc 4625 Witmer Industrial Estate Niagara Falls New York 14305 USA Voice 716 297 2920 Fax 716 297 3689 WORLD HEADQUARTERS CANADA Yorkville Sound 550 Granite Court Pickering Ontario L1W 3Y8 CANADA Voice 905 837 8481 Fax 905 837 8746 Quality and Innovation Since 1963 Printed in Canada WEB www yorkville com MODEL TYPE YS4...

Страница 2: ...lacement of the obsolete outlet The AC supply cord should be routed so that it is unlikely that it will be damaged If the AC supply cord is damaged DO NOT OPERATE THE UNIT Unplug this apparatus during lightning storms or when unused for long periods of time Service The unit should be serviced only by qualified service personnel AVIS AFIN DE REDUIRE LES RISQUE DE CHOC ELECTRIQUE N ENLEVEZ PAS LE CO...

Страница 3: ...6 8701 4 40 KEPS NUT ZINC 20 4832 1 4W 22K 5 T R RES 6 7004 2SA2121 0 TO3P PNP TRAN TK 2 8793 4 40 HEX NUT ZINC 3 6118 1 4W 22K 5 MINI T R RES 1 7005 2SC5949 0 TO3 NPN TRANSISTOR TK 2 8760 6 32 KEPS NUT TIN PLATED 64 4833 1 4W 27K 5 T R RES 1 6745 LM13600N IC XCONDUCTANCE AMP 2 8800 6 32 KEPS NUT ZINC 4 4840 1 4W 33K 5 T R RES 3 6840 MC33078P IC DUAL OP AMP 5 8854 6 32 X 1 4 0 D HEX NUT ZINC CLEAR...

Страница 4: ...iting the audio signal at U2 The charging attack and discharging release times of the limiter are 80mS and 3 5 seconds respectively Resistors R50 and R7 provide the charging path and resistor R51 provides the dis charge path The limiter can be defeated by placing the limiter switch S2 in the in position which disconnects Q5 and the charging discharging circuitry from V The activity LED circuit con...

Страница 5: ...ction of D19A D20A and D23A The signal at the junction of R61A and R62A drives the succeeding current amplifier Current Amplifier Section The current amplifier receives a high voltage audio signal from the voltage amplifier and provides the current drive necessary to drive speaker cabinets The current amplifier is a two tier complimentary output driver design controlled by a complimentary darlingt...

Страница 6: ...uced to about 6 volts measured dri ving an 8 ohm load Zener ZD8 protects the gate source junction of Q11 and also pro vides a supply current path through R29 for the floating battery NOTE The Power supply voltages given are those when the amplifier is not driving a speaker load This will allow yo to check the tier switching with the cover of the amplifi er off and the amplifier therefore running c...

Страница 7: ... occurs With the voltage amplifiers now disabled there is no signal driving the output transistors Q13 to Q28 The current limit circuit protecting the output transistors Q13 to Q28 turns off and D204 and or D205 are not forward biased and Q202 turns off Through Q203 and Q201 the relay is turned back on and the voltage amplifiers are now active again dri ving the output transistors If current limit...

Страница 8: ...n cables have been cut or pinched through their insulation If the fan is running at full speed at power up this usually indicates a problem with the fan circuitry on the M1127 board but it can also be caused by M1126 cir cuit problems A damaged AS35 temperature sensor located under the M1126 heatsinks can cause erratic fan behavior No output on either or both channels could be caused by intermitte...

Страница 9: ...2 4390 10K Channel A R33 1 4W MINI 10K R48 1 4W MINI 10K R30 1 4W MINI 1K TO92 BC560C Q4 5102 R52 1 4W MINI 1K 1 4W 22M R65 1 4W 22M R15 R17 1 4W MINI 4K7 R61 1 8W FLMP 249R 100V C7 100N 100V C6 100N R27 1 4W MINI 47K R136 1 4W 1K2 C2 100V 220P R5 1 4W MINI 8M2 R4 1 4W MINI 470K 1N5225B 3V0 ZD3 0W5 C18 100V 47P C21 63V 220N R41 1 4W MINI 1K R39 1 4W 15K R44 1 4W MINI 1K RED LD6 L Clip 5906 BC560C ...

Страница 10: ...K LM13600N 4K7 RED 100N 78K7 14K7 249R 249R 47K 62K 4148 620R 249R 14K7 220R 470R 220P 15K 220P 100K 47K 249R 47P 82K 1K2 BC560C 220R 249R GRN 10K 15K 15K BC560C 22M MPSA63 LM13600N 10K AUD 10K AUD 21in 14C LCLP RCLP LVGND RSIG RREF LREF BRPRTCT ACT RREF LREF V V RSPRE RSIG LIMABLE AP4020 4040 6V00 LSPOST PRTCT V V LSPRE RSPOST M1128 LSPOST R17 R8 X17 R37 X22 X19 R18 R25 LD6 R28 C127 R19 C37 R55 C...

Страница 11: ...RIPTION OF CHANGE M1128 DRILL HISTORY AP 4020 3 5 4 2 1 DATE MODEL S VER DESCRIPTION OF CHANGE M1128 PCB_DATABASE_HISTORY AP 4020 OCT 97 1 00 FIRST PRODUCTION APR 17 98 2 00 5664 RIBBON CABLE CONNECTIONS CHANGED FOR PROTECT CIRCUIT DEC 09 98 3 00 PC 5736 TRACES CHANGED POT SUPPORT SCREWS ADDED ...

Страница 12: ... 100V S1 B FILTER SW C33 68N 100V C34 68N 100V 1 4W R23 0 1 9K76 C9 220P 100V 4148 D7 U3 A MC33078P 8 V 4 V U4 C 8 V 4 V U3 C MC33078P U4 B C13 100V 100N S T R J4 S T R J3 C15 100N 50V COM M R L MONO STEREO BRIDGED 3705 S3 D 1 4W R6 33K U4 A MC33078P 1 8W R112 10R C16 100N 50V W1 3570 U1 B MC33078P COM M R L 3705 S3 A MONO STEREO BRIDGED 13 10 7 4 1 9 11 12 8 2 3 5 6 VER MODEL S DATE DESCRIPTION O...

Страница 13: ...19 10K0 WITH JUMPER X119 PC 6873 REDO SOLDERMASK M1129 Database History CONVERT TO PCAD2002 PC 6944 ROUTE GAUGE PC 6914 ADD TARGETS AUG 15 2005 5 2 6 3 4 1 DATE MODEL S VER DESCRIPTION OF CHANGE D V N D D D V V V N N N M1129 DRILL HISTORY APR 03 2003 V06 N AUG 15 2005 V07 CONVERT TO PCAD2002 AP2020 AP4020 AP4040 AM1CE LIMITER FILTER SW GND LIFT LINE_IN 3436 3417 3436 3436 6435 3705 9K76 10K0 9K76 ...

Страница 14: ...2 2 W35 B 12 R214 8K2 1 2W 1 4W R216 1K 0W5 18V0 ZD208 MJF6668 Q205 4148 D201A 16V 33U C202A D202A 4148 C205 100U 25V C TO 221D MJF6388 B E MJF6668 B E TO 92 BC560C C BC550C 6 W36 F 8 3 W36 C 8 230 VAC 50 Hz LINE BROWN BLACK LEAD TO 245VAC INPUT VOLTAGE FOR 230VAC INPUT VOLTAGE OPERATION TRANSFORMER SHOWN WIRED FOR WHITE WC18 BLUE WC10 WC6 YELLOW WC3 GREY WC14 7 W36 G 8 8 W36 H 8 5 W36 E 8 1 W36 A...

Страница 15: ...BC550C RELAY 1A PC C RELAY 2C 12V00 TP9 TP10 X1 X39 R245 ZD211 X23 X5 ZD210 R234 R226 W34 GRN ZD205 X10 W7 RED D202B R204B X21 R202B X17 X26 X25 R2 W32 TRANS PRIM BLACK Q210 R238 R240 R244 C216 R243 D240 W30 WHITE AC C1 W4 YELL R242 W13 BRIDGE W3 YELL W24 BRIDGE W8 RED W26 YEL XFRM CT W2 WHT W1 C210 W6 BLUE 100V W10 BLACK W11 BLACK C207 D201B C214B C202B R203B DUMMY X16 C206 C205 C201A C201B C215 ...

Страница 16: ......

Страница 17: ...10R MBS4992 Q29 A 1 1_ Function J2 A 3628 SPEAKON 4C 2 2_ Function J1 B 3628 SPEAKON 4C 1 1_ Function J1 A 3628 SPEAKON 4C 1 4W R64A FUSIBLE 101R0 VCC GND OUT AS35FN Q31 1 4W R51A 1K5 BC550C Q17A 1 4W R42A 39K 2N5401 Q13A 1 4W R71 100K D21A 4148 4148 D15A 4148 D16A 1 4W R41A 7K5 1 4W R44A 1K 4148 D19A D20A 4148 1 4W R47A 1K5 1 4W R49A 2K 1 4W R57A FUSIBLE 101R0 1 4W R84 FLMP 200R 1 4W R2 68R 1 4W ...

Страница 18: ...U 63V 4 U H 10K 1 2W 1 2W 10K 10K 1 2W MBS4992 10K 1 2W MR854 2K 39R0 4148 47K 3K3 180K 4N35 1R 1 2W 33V0 TO220 Watts IRF630NPBF MR854 MR854 MR854 14V0 BC550C 13K 22U 50V 6800U 63V 63V 6800U 6800U 63V 6800U 63V MJ21195 5 0W 0R1 5 0W 0R1 MJ21195 MJ21196 4148 160V 10U MJE340 BC550C 10U 63V 16V0 6800U 63V 5 0W 0R1 MJ21195 MJ21195 MJ21196 5 0W 0R1 25V 330U BC550C 22N MJ21196 MJ21195 MJ21195 Body MJ211...

Страница 19: ...MJE340 MJE350 N C MT1 MT2 MBS4942 MAC224 MJL3281A MJL1302 E C B TO 92 MPSA63 MPSA43 MPSA13 2N5551 MPSA56 2N5401 2N6517 11 8 5 2 12 9 6 13 10 7 3 4 1 MAY 16 03 JAN 24 02 MAY 31 01 8 30 8 10 7 00 PC 6607 C10 C15 C20A 5427 5208 2n2 400V PC 6506 ZD10 ZD11 4V7 3V0 PC 6381 ADD C33 C34 R86 R87 PC 6385 C2 C4 1n 2n2 D D D D SEP 2004 AUG 12 99 V 8 20 V 8 00 6 00 N REDO SOLDERMASK PC 6514 Q13 Q20 6900 6909 Q...

Страница 20: ...te for one s lack of electronic capability Before starting look at the board for repair and locate the version number It is very important that you follow the procedure for the appropriate circuit board version number A complimentary service manual for the AP4020 power amplifier is sup plied with this M1146KIT STEP 1 Locate the assembly drawing for the version number printed on the M1146 or M1126 ...

Страница 21: ... there is still a damaged part on the board instantly turn ing it on could blow up the board and you would be back where you started Connect the power wires and ground to the power supply Connect a digi tal multimeter to test pins 8 and 9 to measure the bias quiescent current and place a scope probe on the speaker output Be sure to turn the quies cent current trimpot RT1 fully counter clockwise No...

Страница 22: ...1146 KIT 1N5242B 1N5242B 6450 6450 M1146 KIT 6854 5113 5114 5260 5260 5102 5102 5102 5102 5102 5101 5101 5101 5101 5101 5101 6444 MAC224 4 4749 0R15 5 WATT 4749 0R15 5 WATT 4745 0R1 5 WATT 4745 0R1 5 WATT 4745 0R1 5 WATT 4745 0R1 5 WATT 6990 MJL3281A 6989 MJL1302A 6874 6873 MJE350 MJE340 4974 4973 4607 4607 4645 4645 6201 6201 6201 4911 4911 4804 4804 4973 4977 4977 4982 4982 4591 4593 4593 4606 4...

Страница 23: ...0K R25 220K R24 1U 10v C8 4K7 R23 D5 350V 2N6517 Q7 2K2 R21 330R R74 2K R73 MT1 MT2 G TRIAC_MAC224 Q30 20K R35A 16v 10u C21 33K R64 10R R65 39R R32 39R R48 1R 0 5W R28 1R 0 5W R44 120v 220n C11 120v 220n C14 20K R40B 3R9 2W R62 150v 10n C19 BP1 BP2 16V 500mW ZD7 MR854 D20 TP4 TP5 TP7 TP6 TP9 TP10 TP1 D9 TP8 18K R70 4uH L1 5R6 5W R63 3 3K3 R68A 47K R205 10u 120v BC550 Q20A BC560 Q21A 3K3 R69A 10K R...

Страница 24: ...D30 1N4004 J18 J17 R82 200R Q29 MBS4992 L 1 4uH R33 1R 1W C14 220N 250V 22N D20 MR854 R36 91K ZD10 4V7 WC6 J10 EY3 EY9 R70 18K R67A 10K Q5 MJL3281A ZD11 4V7 R55 220R0 R28 1 2W 1R D15A 4148 R68 22K 0 5W ZD13 33V R40B 20K C30 22N J14 EY2 R69 22K 0 5W R40 1K C19 10N 250V R50 270R R43 470R D17A 4148 C8 1U 63V EY5 D31 1N4004 R80 220R 1 2 R32 39R C 2 9 5896 80V 4700u R39A 7K5 R41A 7K5 R9 249R R38A 56K R...

Страница 25: ...M1127 5 00 R E D G R EY G R EY AP4020CE AC WIRING OCT 24 2000 GREEN YELLOW 1196E 680n N L 4 17 17 15 17 WHITE BLACK GREY YELLOW RED RED GREY SHOWN WIRED FOR 230V BROWN BLACK BROWN BLUE ...

Страница 26: ...M1127 5 00 R E D G R EY G R EY AP4020CE AC WIRING OCT 24 2000 GREEN YELLOW 1196E 680n N L 4 17 17 15 17 WHITE BLACK GREY YELLOW RED RED GREY SHOWN WIRED FOR 245V BROWN BLACK BLUE BROWN ...

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