SPHINX PROJECT TEN Service Manual Download Page 21

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SPHINX

Project Ten Service Manual

Project 10 amplifier right

R400
2K21

R401
47K5

R403
2K21

R405
1K50

R407
2K21

R404
1K00

R406
182R

R414
681R

R411
100R

R416
100R

R402
22K1

R409
3K32

R417
10R0

R408
221R

T401
K389

T404
C2240

T402
C2240

T403
C2240

T406
C2240

T408
C2240

T409
C2240

T424
C2240

T419
C2240

T414
C2240

T415
C2240

T420
C2240

T416
C2240

C401
330P

LD401

LD402

LD403

GND

T413
A970

T421
A970

T423
A970

T417
A970

T407
A970

T418
A970

T410
A970

T422
A970

T405
A970

C400
220P

C422
47P

C402

22P

GND

R413
100R

R415
100R

R410
10K0

R412

47K5

GND

P401
200

R418

221

R419

47R5

R420

47R5

R421

1K00

R424
10K0

C407
1N

GND

R422

10R0

R431
1K00

R426
1K00

R439
47R5

R436
47R5

R425

10K

R429
221R

R441
1K00

R437
1K00

R433
47R5

R435

1K00

R442
47R5

R432
1K00

R434

1K00

R428

10K

R438
1K00

R430
221R

R440
1K00

R423

10R0

R427
1K00

C403
100N

C404
100N

C405
1000U

C409

1000U

C406
47U

C410
47U

C412
47U

C408
47U

C413
47U

C411
47U

Z401
16V

LD404

Z402
16V

LD405

C414
330P

C415
330P

R446
47R5

R447
1K82

R465

47K5

T425
A1145

T426
C2705

R449
332R

LD408

LD406

D401

R450
332R

R451
3K92

R455
47R5

R452
4K75

P402

10K

C420
10U

OPTO401A

SFH601-3

R443

10R

C416

33P

C417
220P

GND

LD407

LD409

R448
95K3

R471
1R0

R467
1R0

R476

10R0

R472

10R0

R475

10K0

R474

10K0

R477
1R0

R463
47R5

R458
47R5

R466

10R0

R469

10K0

R468

10K0

R470

10R0

R460
221R

R454

47R5

R464

221R

R459

221R

R456
6R81

R457
6R81

R461
6R81

R462
6R81

R453

47R5

T433
A1302

T432
A1302

T431
A1306

T429
C3298

T434
C3281

T435
C3281

T427
C3423

T428
A1360

C423

100P

C424

100P

R473
1R0

R478
15R/4W

D402
1N5407

D403
1N5407

C421
100N

GND

PRE-R

GND

OUT-R

-44V

+44V

from volume board

to output relay

+44V

-44V

GND

+15V

-15V

IN-R

OUT-R

+44V

+15V-R

GND

-15V-R

-44V

IN-R

+15V-R

OUT-R

-15VR-

P401

P402

OFFSET

BIAS

POT.METER

FUNCTION

T430
BC517

T412
BD902

BD901

Summary of Contents for PROJECT TEN

Page 1: ...1 SERVICE MANUAL PROJECT TEN INTEGRATED STEREO AMPLIFIER...

Page 2: ...Protection modes 9 Short Circuit 9 Standby mode 9 Necessary Equipment 9 8 ADJUSTMENT PROCEDURES 10 Bias 10 Offset 11 9 PROBLEMS AND SOLUTIONS 12 10 DIAGRAMS AND PARTS LISTS 13 Connection diagram bias...

Page 3: ...audio components preferably other Sphinx components 1 UNPACKING Before leaving the factory every Project Ten is subjected to stringent and extensive technical and exterior quality inspection This ensu...

Page 4: ...is indicated by the red LED When the component is active the LED will be green 3 MUTE Press this button to temporarily mute the sound The red LED will light 4 CD To select the CD input 5 TUNER To sele...

Page 5: ...nect the XLR signal cable balanced cable from the right output of the signal source for Input 2 19 BALANCED LINE 2 LEFT To connect the XLR signal cable balanced cable from the left output of the signa...

Page 6: ...d by 3 Pressing this green button mutes the outputs temporarily and you will not hear any sound The red LED will be illuminated Another press on this button un mutes the outputs 4 TAPE MONITOR Use thi...

Page 7: ...d for the other system components How to operate the Remote Control with the different Sphinx components will be explained in the corresponding User Manual of each component Batteries The four batteri...

Page 8: ...Line 2 1x Line 1 1x CD 1x Tuner 1x Tape level nominal 0 15 V 16 5 dBV for 60 W into 8 impedance 20 k 3 k balanced Outputs cinch 1x Tape level 10 V max 20 dBV 1 20 000 Hz THD 0 01 headphones 1x 6 3 mm...

Page 9: ...The bias current for the Left and Right amplifiers is reduced to 0 mA thus greatly decreasing the operating temperature Necessary Equipment To properly service the Project Ten you need some specific m...

Page 10: ...marked The power transistors are mounted underneath the heatsinks Bias With this procedure you set the proper bias level for the power transistors This ensures their Class A operation at low power lev...

Page 11: ...he amplifier ON and wait until it has reached the proper working temperature this takes an hour Set the millivolt meter to the DC range Place the measurement clips of the meter over the output termina...

Page 12: ...r the info in this table This table can then be used for future reference Please also send by fax or e mail the specific information to the Sphinx International Service Department see page 3 this info...

Page 13: ...rts lists if applicable Connection diagram bias adjustment 14 Connection diagram offset adjustment 15 Connections main board and display board of Project 10 16 General overview Project 10 17 Project 1...

Page 14: ...Ten Service Manual 14 Connection diagram bias adjustment out1 out2 inp2 inp1 gnd THD Amplitude Frequency Oscillator THD out THD ANALYZER out1 out2 inp2 inp1 Scoop SWITCH BOX Right Left Amplfier 30x A...

Page 15: ...rvice Manual 15 Connection diagram offset adjustment out1 out2 inp2 inp1 gnd THD Amplitude Frequency Oscillator THD out THD ANALYZER out1 out2 inp2 inp1 Scoop SWITCH BOX Right Left Amplfier 30x A B Pr...

Page 16: ...2V 5V GND L1 L2 TU CD TM TS STB MU VOL1 VOL2 12V SW PJ10 main board PJ10 control board IN L IN R PRE L PRE R GND VOL1 VOL2 IN L IN R PRE L PRE R GND VOL1 VOL2 PJ10 volume board IN L IN R PRE L PRE R G...

Page 17: ...L OUT R MU 12V 5V 44V GND 44V MUTE STB TM L1 CD L2 TU OUT L OUT R MU 12V GND IN L IN R OUT L OUT R MUTE 15V L 15V R 15V R 15V L 12V GND IN L IN R OUT L OUT R MUTE 15V L 15V R 15V R 15V L 12V 5V 44V 44...

Page 18: ...PTO101 R112 1K00 OUT L OUT R 35V 8 X 220pF STYROFLEX 125Vof160V op onderzijde solderen D101 t m D106 1N4148 GND 12V GND 44V 12V 5V GND 44V D107 6V8 12V SW CN103 CN104 CN105 CN106 CN107 CN108 T102 BD88...

Page 19: ...SPHINX Project Ten Service Manual 19 Project 10 volume board M P801A solderconnectiononvolumeboard P801B P801C solderconnectiononmainboard PRE R PRE L IN R IN L GND VOL1 VOL2...

Page 20: ...R223 10R0 R227 1K00 C203 100N C204 100N C205 1000U C209 1000U C206 47U C210 47U C212 47U C208 47U C213 47U C211 47U Z201 16V LD204 Z202 16V LD205 C214 330P C215 330P R246 47R5 R247 1K82 R265 47K5 T225...

Page 21: ...00 R423 10R0 R427 1K00 C403 100N C404 100N C405 1000U C409 1000U C406 47U C410 47U C412 47U C408 47U C413 47U C411 47U Z401 16V LD404 Z402 16V LD405 C414 330P C415 330P R446 47R5 R447 1K82 R465 47K5 T...

Page 22: ...1 12 13 14 15 16 17 18 CN1 LINE2 VOL1 LINE1 VOL2 TUNER 5V CD 5V TAPE MON STANDBY GND GND GND 12V SW T SENSOR 12V LED 12V LED MUTE IN1 1 IN2 2 IN3 3 IN4 4 IN5 5 IN6 6 IN7 7 IN8 8 GND 9 OUT8 11 OUT7 12...

Page 23: ...of Project 10 Because there is a significant image quality loss during the conversion of the drawings the PCB drawing is located in a separate file This file is in PDF format Adob Acrobat 3 0 Reader P...

Page 24: ...apacitor C115 6800uF 50V Electrolytic capacitor C116 6800uF 50V Electrolytic capacitor C2 33pF Ceramic capacitor C200 220pF Styroflex capacitor C201 330pF Styroflex capacitor C202 22pF Ceramic capacit...

Page 25: ...itor C415 330pF Styroflex capacitor C416 33pF Styroflex capacitor C417 220pF Styroflex capacitor C420 10uF Electrolytic capacitor C421 100nF MKT capacitor C422 47pF Styroflex capacitor C423 100pF Styr...

Page 26: ...D202 LED red LED red LD203 LED red LED red LD204 LED red LED red LD205 LED red LED red LD206 LED red LED red LD207 LED red LED red LD208 LED red LED red LD209 LED red LED red LD3 LED red LED red LD4 L...

Page 27: ...0 2K21 Resistor MRS25 R201 47K5 Resistor MRS25 R202 22K1 Resistor MRS25 R203 2K21 Resistor MRS25 R204 1K00 Resistor MRS25 R205 1K50 Resistor MRS25 R206 182R Resistor MRS25 R207 2K21 Resistor MRS25 R20...

Page 28: ...istor MRS25 R252 4K75 Resistor MRS25 R253 47R5 Resistor MRS25 R254 47R5 Resistor MRS25 R255 47R5 Resistor MRS25 R256 6R81 Resistor MRS25 R257 6R81 Resistor MRS25 R258 47R5 Resistor MRS25 R259 221R Res...

Page 29: ...tor MRS25 R414 681R Resistor MRS25 R415 100R Resistor MRS25 R416 100R Resistor MRS25 R417 10R0 Resistor MRS25 R418 221R Resistor MRS25 R419 47R5 Resistor MRS25 R420 47R5 Resistor MRS25 R421 1K00 Resis...

Page 30: ...Resistor MRS25 R465 47K5 Resistor MRS25 R466 10R0 Resistor MRS25 R467 1R0 Resistor MRS25 R468 10K0 Resistor MRS25 R469 10K0 Resistor MRS25 R470 10R0 Resistor MRS25 R471 1R0 Resistor MRS25 R472 10R0 R...

Page 31: ...Transistor T205 2SA970 Transistor T206 2SC2240 Transistor T207 2SA970 Transistor T208 2SC2240 Transistor T209 2SC2240 Transistor T210 2SA970 Transistor T211 BD901 Transistor T212 BD902 Transistor T213...

Page 32: ...nsistor T413 2SA970 Transistor T414 2SC2240 Transistor T415 2SC2240 Transistor T416 2SC2240 Transistor T417 2SA970 Transistor T418 2SA970 Transistor T419 2SC2240 Transistor T420 2SC2240 Transistor T42...

Page 33: ...SPHINX Project Ten Service Manual 33 Designator Part Type Description Z201 16V Zener diode Z202 16V Zener diode Z401 16V Zener diode Z402 16V Zener diode...

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