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of

Filename:

PCB#

Sheet

4

1

Product

Date:

Rev:

YsType:YsType

M1350V02sch.sch2002

M1350

Wed Aug 04, 2010

AMP

V02

Product

of

Filename:

PCB#

Sheet

4

1

Product

Date:

Rev:

YsType:YsType

M1350V02sch.sch2002

M1350

Wed Aug 04, 2010

AMP

V02

Product

1/

4W

1K0

R34

MINI

4148

D53

4148

D55

5.

0W

390R

R50

.

4148

D58

4148

D54

INPUTS[O10]

INPUTS[O9]

C6

100V

10P

4148

D46

R25

1/4W

MINI

47R

4148

D32

4148
D28

MR854 

D2

W25

RED

W27

H/PHONE AG

GRN

63V

C10

4U7

1/

4W 33K

R56

.

3425

S8:A

LIMITER

R48

1/4W

.

1K3

3425

S8:B

LIMITER

1/

4W 45K3

R45

.

R190
1/4W

MINI

1K0

50V

C37

10N

63V

C25

1U

1/

4W

2K87

R141

.

R157
1/4W

.

14K0

R158
1.0W

.

3K9

C53

16V

33U

R26

1/4W

MINI

47R

1/

4W 17K8

R143

.

50V

C5

100N

4148

D52

C63

100V

100P

TO92

Q15

5101

BC550C

4148

D48

TO92

Q18

5102

BC560C

R225
1/4W

.

100R

R224
1/4W

.

100R

BAV21
D86

1/

4W 324R0

R148

0.1%

1/

4W 3K16

R142

.

NTC
10K

R160:A

6467

1/

4W 33K

R123

.

1/

4W 270K

R124

.

1/

4W 324R0

R147

0.1%

R38

1/8W

FLMP

100R0

1/

8W 22R1

R149

FLMP

1N5254B   

D26

0W5
27V0

1N5254B   

D25

0W5
27V0

1/

4W 6K8

R135

.

1/

4W 4K12

R144

.

1/

8W 22R1

R146

FLMP

BAV21
D3

R36

1/8W

FLMP

100R0

R39

1/8W

FLMP

100R0

R2

1/4W

.

150R

R156
1/4W

.

150R

R213
1/4W

.

150R

R155
1/4W

.

150R

BAV21
D4

1.

0W

4K7
R62

.

MR854 

D6

MR854 

D7

5.

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R199

.

5.

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R198

.

MR854 

D1

G

S

D

IRL2910
Q2
6966
TO220

4148

D5

25V

C23

100U

1N4745A   
ZD22

1W0

16V0

W33
RED

D73

1N5402

C44

16V

10U

100V

C36

22N

2.

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R202

.

1N5402

D74

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R43

1/2W

.

47R

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RED

W17

RED

C32

250V

680N

W26

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X-OVER
BOARD

X97

TO92

Q26

MPSA56

5104

1/

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R28

FUSIBLE

2

1

4N35

6880

U4:A

6

5

4

4N35

U4:B

6880

TO92

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5106

MPSA63

1/

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R151

MINI

100V

C60

220P

BAV21
D85

TO92

BC550C

Q23
5101

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1/

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R187

.

1/

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R145

.

4148
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D18

1.

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R67

.

MJH11017

6802

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DS

G

P

IRF4905
Q50
6953
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MJH11018

6779

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1N4745A   
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.

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.

1/

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R161

.

4148

D51

TP2

M

Lin
4520

10K

RT1
BIAS

ADJUST BIAS BETWEEN TP1 AND 
TP2  TO 7mV COLD  8mV HOT.

1/

4W 10K0

R152

.

4148

D47

R35

1/4W

.

10K0

ZD50

0W5

1N5225B   

3V0

R138
1/4W

.

4K12

R206
1/4W

.

100K

1/

8W 681R

R140

FLMP

U6:B

MC33078P

TO92

Q27
5122

J109

100V

C84

220P

50V

C35

10N

1/

4W 11R

R27

FUSIBLE

C83

16V

33U

R1

1/4W

FUSIBLE

33R

R154
1/4W

.

100R

C78

50V

470P

C79

100V

47N

TO92

Q17

5104

MPSA56

1/

4W 2K7

R214

.

C80

100V

47N

R159
1/4W

.

200R

R210
1/4W

FUSIBLE

33R

C77

50V

470P

1N4745A   
ZD25

1W0

16V0

1.

0W

4K7
R59

.

G

S

D

IRL2910
Q1
6966
TO220

R42

1/2W

.

47R

MJH11017

6802

Q49

TO218

25V

C24

330U

Q10:A

MBS4992

5190

TO92

5.

0W 0R15

R196

.

G

MT1

M

T2

6517

TO220

Q11

R44

1.0W

FLMP

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R49

1.0W

FLMP

10R

5.

0W 0R15

R197

.

25V

C22

330U

TP1

MJH11018

6779

Q47

TO218

1N4745A   
ZD24

1W0

16V0

R37

1/8W

FLMP

100R0

R102
5.0W

.

10R

S

T

R

Gold Gold Gold

J8
HEADPHONE

W12

BLK

SP3

WOOFER

W34

TWEETER

YEL

4148

D49

8

V+

4

V-

U6:C

1/

4W 5K36

R153

.

R207
1/4W

.

100K

BC550C

Q16
5101

TO92

R208
1/4W

FUSIBLE

33R

1N4745A   
ZD27

1W0

16V0

1.

0W

4K7
R68

.

TO92

Q19
5102

BC560C

R211
1/4W

FUSIBLE

33R

TO92

Q14

5103

MPSA06

1/

4W 270R

R139

MINI

1/

4W 10R

R162

FLMP

1N4745A   
ZD26

1W0

16V0

OUTPUT
BOARD

L3

3820

4UH

S4

.

W32

SW

BLK

W47

BLK

S

T

R

-

-

-

J1

SPKR OUT 

1+

1_

SPEAKON 4C H

J11:A

2+

2_

SPEAKON 4C H

J11:B

SP1

HORN

SP2

WOOFER

W28

WOOFER

RED

S

T

R

-

-

-

J3

SPKR OUT

U6:A

MC33078P

DS

G

P

TO220

6953

Q51

IRF4905

Summary of Contents for Trainor DB300

Page 1: ...e Court Pickering Ontario L1W 3Y8 CANADA Voice 905 837 8481 Fax 905 837 8746 Quality and Innovation Since 1963 Printed in Canada SERVICE MANUAL DB300 DB300T DB300H MODEL TYPE YS1071 Low Mid Hi Mid Treble Bass MASTER 0 4 6 1 3 7 9 2 8 5 10 Tuner Limiter Line Out Pre EQ Post EQ Inputs 0 6 Mute Gain 400 Hz Scoop 15 0 15 0 5 10 Phones On Power Clip Out In 0 5 10 15 0 15 15 0 15 15 0 15 Passive Active ...

Page 2: ... spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped AVIS AFIN DE REDUIRE LES RISQUE DE CHOC ELECTRIQUE N ENLEVEZ PAS LE COUVERT OU LE PANNEAU ARRIERE NE CONTIENT AUCUNE PIECE REPARABLE PAR L UTILISATEUR CONSULTEZ UN TECHNICIEN QUALIFIE POUR L ENTRETIENT Instructions relatives au risque de feu choc élect...

Page 3: ... BLK BEAD NPO 2 9922 BLACK KNOB FROM SEIKAKU 1 8801 6 32 X 3 8 PAN PH TAPTITE JS500 17 5197 220P 100V 2 CAP T R RAD CER 2NPO 2 3428 8 3 18 SJT AC LINE CORD REMOVABLE 1 8829 6 32 X 3 8 FLAT PH TAPTITE BO C HEA 13 5408 _47P 100V 10 CAP T R BEAD NPO 1 3826 STRAIN RELIEF HEYCO 1150 1 8784 6 X 7 16 PAN QUAD FRAME BLACK PHOS 4 5410 100P 100V 10 CAP T R BEAD NPO 9 8268 TRAYNOR LOGO PLASTIC NICKEL PLATING...

Page 4: ...C DUAL OP AMP 1 8841 10 32 KEPS NUT TIN PLATED 4 8663 11 64 NYLON SPACER MICRO PLASTIC 1 5190 MBS4992 TO92 8V5 DIAC T R 1 8797 5 16 18 KEPS NUT JS500 1 8866 6 NYLON SPACER OD 250XID 140X 187 8 6467 _10K 10 THERMISTOR TO 92 NTC 4 4022 ELASTOMER PAD 2 TO218 4 TO220 4 3751 SNAP IN 5 16 SPACER RICHCO 4 6517 STM BTB 600BRG TO220 A TRIAC 600V 1 8581 CUSTOM PBL TRANSISTOR SPACER 4 3851 1 2 PCB PLASTIC SP...

Page 5: ...P BLK BEAD NPO 2 9922 BLACK KNOB FROM SEIKAKU 1 8801 6 32 X 3 8 PAN PH TAPTITE JS500 17 5197 220P 100V 2 CAP T R RAD CER 2NPO 2 3428 8 3 18 SJT AC LINE CORD REMOVABLE 1 8829 6 32 X 3 8 FLAT PH TAPTITE BO C HEA 11 5408 _47P 100V 10 CAP T R BEAD NPO 1 3826 STRAIN RELIEF HEYCO 1150 1 8784 6 X 7 16 PAN QUAD FRAME BLACK PHOS 4 5410 100P 100V 10 CAP T R BEAD NPO 9 8268 TRAYNOR LOGO PLASTIC NICKEL PLATIN...

Page 6: ...xternal Speaker Buffer TRS 1 4 inch From Rectified AC Line Power Off Speaker Mute TRS 1 4 inch EFX Return EFX Send Effects Loop rear Mute Circuit Monitor In rear Post EQ Pre EQ Balanced Line Out rear Scoop MUTE SWITCH Buffer TRS 1 4 inch EQ Hi Mid Limiter Switch front Master Tw Defeat rear GND Sw rear Limiter Tweeter 8 ohms Phones Speakers 4 ohms min 0 dB Unbalanced Input for passive electronics 6...

Page 7: ...7 TO92 Q26 MPSA56 5104 1 4W 11R R28 FUSIBLE 2 1 4N35 6880 U4 A 6 5 4 4N35 U4 B 6880 TO92 Q20 5106 MPSA63 1 4W 120R R151 MINI 100V C60 220P BAV21 D85 TO92 BC550C Q23 5101 BAV21 D17 1 4W 6K8 R187 1 4W 4K12 R145 4148 D27 100V C87 220P 100V C88 220P BAV21 D18 1 0W 4K7 R67 MJH11017 6802 Q48 TO218 D S G P IRF4905 Q50 6953 TO220 MJH11018 6779 Q46 TO218 1N4745A ZD23 1W0 16V0 R29 1 4W 10K0 2 0W 2R R230 1 4...

Page 8: ...2 1 4W FLMP 10R C31 50V 22U R57 1 8W FLMP 681R R81 1 4W 4K99 R4 1 4W MINI 270R S2 B J4 BAL LINE OUT R47 1 4W 220R R40 1 4W 220R R30 1 4W 33K U1 E U15 B TL072 4148 D22 63V C26 100N 4 V 8 V U5 C 1 4W 100K R127 63V C42 100N M 5B LIN 4417 10K MASTER P2 A 8 V 4 V U8 C 63V C200 100N 63V C101 100N 8 V 4 V U16 C 1 4W 100K R82 63V C67 100N S6 B R84 1 4W 4K7 R120 1 4W 10K0 R180 1 4W 2K49 50V C81 12N R175 1 ...

Page 9: ...6 C TO 221D MJF6388 B E MJF6668 B E TO 92 BC560C C BC550C S G TO 92 2N5638 D J109 6804_PC 4 W49 D 4 3 W49 C 4 4148 D8 ORANGE BROWN TRANSFORMER SECONDARY FEMALE CONNECTOR W1 B 2 1N5225B 3V0 D14 0W5 1 4W 2K49 R105 1 4W 1K3 R111 R114 A NTC 10K 6467 1 4W 78K7 R110 W30 GRN CHASSIS GND W10 SW WHT CE T 2 5AMP 230V CSA 5 AMP 120V U13 B NE5532N 4148 D9 1 W49 A 4 2 W49 B 4 WHITE YEL BLK BLACK 6882_PC W1 A 2...

Page 10: ...HI MID P6 A 4453 C40 50V 4N7 C33 100V 47N 1 4W 1K0 R32 MINI 63V C52 1U R167 1 4W 2K R55 1 4W 4K99 R19 1 4W 7K5 R113 1 4W MINI 20K0 U3 C MC33079P 11 V 4 V U2 E 4 V 11 V U3 E 63V C29 100N 50V C17 33N R24 1 4W MINI 1K0 50V C18 2N2 R232 1 4W 220R R132 1 4W 2K R75 1 4W 3K3 R21 1 4W MINI 1K0 U3 A MC33079P R169 1 4W MINI 1K0 R69 1 4W 100K C9 16V 10U 63V C259 100N 63V C69 100N R17 1 4W 3K3 M 50K B TREBLE ...

Page 11: ...OR DB300H V02 BLK RED V02 4 5 FAN DB300 M1350 5 5 V02 1 5 M1350 2 5 RED BLK M1350 M1350 3 5 DB300 V02 V02 DB300 DB300 DB300 M1350 INTO WAVE R64 R71 X85 X29 X101 D52 D51 ZD50 R27 R35 X56 D36 X97 R135 D25 R185 R171 R145 D32 R186 D23 C34 D58 D26 R155 X13 C3 D19 R147 R115 R66 R88 Q19 R30 R67 X11 C1 X107 R23 R47 R38 R18 R13 X69 R31 R73 C12 D16 C45 X90 X48 X88 X81 C14 C39 R173 C33 X76 X61 R22 X24 D10 R9...

Page 12: ...45 7_INSERT PUSHBUTTON KNOB ON SWITCH S2 S6 S7 AND S8 BEFORE INSERTING NTO PCB USE JIG AS SHOWN IN PIC 1 8_DO NOT STUFF P7 J10 U14 R102 OR C32 FOR DB300H 9_INSERT JUMPER IN PIN 2 AND PIN 3 OF P7 FOR DB300H 10_PCBSA DO NOT BREAK OUT BOARD BEFORE TESTING Remove this piece Break this connection here PCB Sil pad Inner heatsink Outer heatsink 8581 TO220 parts 8841 3977 Yellow spring Inner heatsink 8581...

Page 13: ......

Page 14: ... 2W 6 CIR 1U 1R 1 0W 33P 275V 22N 6A2 220P 4UH NE5532N 4700U 50V Yellow 0R15 5 0W 0R15 5 0W 6A2 4700U 50V 150R TO218 MJH11017 TO218 MJH11018 390R 5 0W 5600U 100V 5600U 100V BLK RED FAN RED BLK DB300 X24 D10 R91 X34 X4 D15 R97 R98 X91 X1 X95 T6 3 AMP X40 R49 X8 X41 R96 R94 D11 R95 R90 R92 X66 X96 X23 X43 X16 D38 D39 X30 X17 C C 0 R210 X55 W19 W44 BLK X9 D21 D14 C64 R130 Copper Tie Here C57 D20 C56 ...

Page 15: ...NYS224 WOOFER WOOFER W34 W34 YEL W31 SW W28 RED W28 RED TIP NYS224 TIP NYS224 TWEETER TWEETER WOOFER W32 W32 W28 TWEETER SPKR TWEETER W31 SW ON ON SW BOTTOM VIEW W34 YEL SLEEVE SLEEVE Z1080 Z1080 W31 SW 3826 STRAIN RELIEF W34 W31 SW SW BOTTOM VIEW 3826 STRAIN RELIEF 3826 STRAIN RELIEF 3826 STRAIN RELIEF 3698 SW DB 300 V100 3698 SW DB 300 V100 3702 SW 3751 SPACER 3751 SPACER 3751 SPACER Z1080 3751 ...

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