Crown XLS 1000 Series Скачать руководство пользователя страница 49

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R998

OPEN

A 4

R999

A11368-20010

RES, 2.0 KOHM 1/16W 1% 0603

A 4

RT1

140098-1

THERMISTOR, 10K NTC 1% 0603

I 1

RT101

140098-1

THERMISTOR, 10K NTC 1% 0603

F 2

RT201

140098-1

THERMISTOR, 10K NTC 1% 0603

H 1

RT901

138466-1

PRP, 101103-1 PTC .125

O 1

S901

132498-1

SWITCH, DPST PUSHBUTTON VDECSA

N 2

T901

141650-1

XFMR, MAIN XLS3 402 120V/240V

K 1

TP1

OPEN

A 4

TP901

OPEN

O 3

TP902

OPEN

N 3

TP903

OPEN

N 3

TP904

OPEN

I 3

TP905

OPEN

N 4

140419-1

IC, RUBY SOP64 SMD

C 2

C 8262-5

IC, OPAMP DUAL LONOIS 33078 SO8

B 2

141744-1

IC, REG 12V 500MA 78M12C TO-263

F 2

U101

C 9012-3

OP AMP, QUAD LO NOISE MC33079D

B 2

U102

141643-1

IC, DRV PWM IRS20957S

E 3

U201

C 9012-3

OP AMP, QUAD LO NOISE MC33079D

D 2

U202

141643-1

IC, DRV PWM IRS20957S

G 1

U901

141369-1

IC, REG ADJ LNK302DN SO8

O 3

U902

141572-1

IC, DRV SMPS FAN7387 SO8

M 2

U903

126559-1

COMPARATOR, LM393 SO-8 DUAL

M 3

U904

133552-1

OP AMP, LM358 LOW PWR DUAL S08

C 4

U905

138341-1

IC, TL494 PWM CTRL SO-16

B 4

U906

141638-1

IC, OPTOCOUPLER

J 3

WP1

141672-1

CBL, 16AWG BRN 2.1" STRP FLG

Q 4

WP2

141671-1

CBL, 16AWG BRN 2.6" STRP FLG

P 4

Z901

134606-2

JUMP, 14AWG CU TIN BUS .210" X.225"

N 1

Содержание XLS 1000 Series

Страница 1: ...XLS1000 2500 Service Manual 142195 1 4 10...

Страница 2: ...mplifier twice the output voltage twice the power is realized In BRIDGE mode Crossover XOVER filters are not allowed since the same audio is required for both output channels INPUT Y Channel 1 input t...

Страница 3: ...cessing with Channel 1 being Lowpass and Channel 2 being Highpass The crossover frequency is determined by the FREQ choice CLIP COMPRESSOR Allows the clip compressor for each channel to be either turn...

Страница 4: ...e POWER SUPPLY TEMP LOW VOLTAGE RAIL Displays the Power Supply Heatsink Temperature and the Low Voltage rail in volts AMPLIFIER CHANNEL TEMP Displays the heatsink temperature for the power devices of...

Страница 5: ...0 3 Processor Watchdog Fail Firmware error where watchdog timeout has not been attended 0 4 Power Fail Power Sequencing of the Power Supply has failed 1 1 LCD POST Fail Initialization of LCD failed 1...

Страница 6: ...ty of the LCD Buttons and Fan once the amplifier is assembled The self test is initiated by holding down the PREVIOUS middle button during power up The amplifier enters a test mode where all of the fr...

Страница 7: ......

Страница 8: ...h U601 U600 A B form a differential to single ended gain stage with a gain of 3 54dB See Gain Block Diagrams below The output of U600B drives the input of U601 which is a unity gain amplifier that sel...

Страница 9: ...S1500 2000 2500 For the XLS1000 R618 619 R621 623 form a voltage divider and bias network into the TI DSP CH2 _DSP_AD In the case of the XLS1500 2500 R613 614 R617 R620 form the voltage divider and bi...

Страница 10: ...S3202 is an integrated converter and DSP that provides all of our signal processing at an affordable cost The IC is powered from 3 3V and uses 200mA Clock Generation The amplifier runs from a single c...

Страница 11: ...This provides 48KHz sampling of the Ruby clip events into the DSP for the clip compressor Serial Communications The TAS3202 has two I2C channels I2C1 and I2C2 for external communications and booting...

Страница 12: ...atsink for the secondary diodes Vcc of the power supply The TLC adjusts the gain at a rate of 1 25dB C at temperatures greater than 75 C The TLC takes the worst case of the three thermistor readings a...

Страница 13: ...signal is taken post crossover inverted and sent to CH2 output This ensures that the gains are matched and that the same signal is on both outputs CH2 CH1 When in Bridge mode both channel s clip sign...

Страница 14: ......

Страница 15: ...ocessor interfacing for various controls and monitoring is via this interface LCD Interface The LCD is purchased as a module and has an interface composed of an Enable Read Write Register Select and D...

Страница 16: ...cessor lights the output 20dB 10dB and CLIP LED s as required PWM DeadTime Control Although not presently used the processor has the capability of changing the switching deadtime of the PWM amplifier...

Страница 17: ...26623 1 47UF 16V 6 3X5 5MM 20 SMT C 2 C505 A11369 101J1 100PF 50V 5 NPO 0603 A 2 C506 A11369 101J1 100PF 50V 5 NPO 0603 A 2 C507 A11369 472J2 CAP 4700PF 5 50V SMT 0805 A 3 C508 126623 1 47UF 16V 6 3X5...

Страница 18: ...F 25V 10 X7R 0603 F 2 C700 135505 1 CAP 0 1UF 25V 10 X7R 0603 F 2 C701 135505 1 CAP 0 1UF 25V 10 X7R 0603 F 2 C702 135505 1 CAP 0 1UF 25V 10 X7R 0603 G 2 C703 135505 1 CAP 0 1UF 25V 10 X7R 0603 G 2 C7...

Страница 19: ...F 16V 10 X7R 0402 D 3 C750 141914 104KB CAP 100NF 16V 10 X7R 0402 E 2 C751 141914 104KB CAP 100NF 16V 10 X7R 0402 F 3 C752 141914 104KB CAP 100NF 16V 10 X7R 0402 E 2 C753 141914 104KB CAP 100NF 16V 10...

Страница 20: ...3 PWB1 141557 4 PWB XLS3 DISPLAY Q600 C 7448 1 MMBT3904 CHIP NPN F 2 R500 A11371 2250 RES 2 2 MOHM 1 16W 5 0603 F 2 R501 A11368 49910 RES 4 99 KOHM 1 16W 1 0603 F 2 R502 A11368 10020 RES 10 0 KOHM 1 1...

Страница 21: ...RES 10KOHM 0 063W 0 1 0603 THNF G 1 R607 140467 10020 RES 10KOHM 0 063W 0 1 0603 THNF G 2 R608 A11368 10000 RES 100 OHM 1 16W 1 0603 G 2 R609 A11368 66511 RES 6 65 KOHM 1 16W 1 0603 G 2 R610 138593 1...

Страница 22: ...0603 E 2 R719 A11368 33R20 RES 33 2 OHM 1 16W 1 0603 E 3 R720 A11368 33R20 RES 33 2 OHM 1 16W 1 0603 E 3 R721 A11368 10010 RES 1 0 KOHM 1 16W 1 0603 E 2 R722 A11368 10020 RES 10 0 KOHM 1 16W 1 0603 D...

Страница 23: ...33R20 RES 33 2 OHM 1 16W 1 0603 C 3 R767 A11368 33R20 RES 33 2 OHM 1 16W 1 0603 C 3 R768 A11368 10000 RES 100 OHM 1 16W 1 0603 E 2 R769 A11368 10000 RES 100 OHM 1 16W 1 0603 E 2 R772 A11368 24910 RES...

Страница 24: ......

Страница 25: ...607 4700PF 5 R613 825 R614 825 R 633 10K C 706 10V 10 C 707 100N F 16V C 518 16V 47 C519 16V 47 C 618 16V 47 C619 16V 47 C604 16V 47 R 509 6 65K R 609 6 65K R 610 A 3 2 1 4 10K R 510 A 3 2 1 4 10K R 5...

Страница 26: ...1 62 63 64 STM32F101C8T6 FB702 FB703 C 757 100N F 16V C 756 100NF 16V C 759 100N F 16V C717 100NF 16V C 719 100N F 16V C 716 100N F 16V C 723 100N F 16V C 724 100N F 16V C 764 16V 100NF C 727 100N F 1...

Страница 27: ...ck signal at the junction of R108 and R115 This combined signal connects to the error amplifier opamp inside the Ruby IC U1 at pin 61 We will go into detail of the Ruby IC a little later but for now l...

Страница 28: ...be pulled high This line is an open collector output input on Ruby so an external source can pull the pin low to inhibit PWM switching Q101 or the Ruby IC can pull the line low in case of a Ruby dete...

Страница 29: ...order for Ruby to function it must be provided a clock signal on pins 5 and 6 This is a 384KHz signal that is provided by the APM It must be powered by 5VDC at pins 29 30 38 and 59 Pins 12 and 13 pro...

Страница 30: ...itors but the main difference in the amplifier section between the 1000 1500 and the larger 2000 2500 is in the output stage topology Were the 1000 1500 uses the MOSFET body diode to carry the current...

Страница 31: ...EORY OF OPERATION Note Any component references will be to the 141576 4 thru 141583 4 141607 5 thru 141610 5 and 142028 3 thru 142031 2 PWAs Later PWAs should be compatible except where additions have...

Страница 32: ...C956 begin charging thru the PTC RT901 This PTC limits the inrush current eliminating circuit breaker trips at turn on After the charging cycle is complete the soft start relay K901 bypass the PTC Bi...

Страница 33: ...ank forces the load current to be drawn in half sinewave portions Thus the current drops to near zero before the IGBTs gate is turned off This is a form of zero current turn off which greatly reduces...

Страница 34: ...under voltage lockout is formed by R943 R944 Its purpose is to prevent the converter from starting when the supply voltage is too low to for the internal 5V reference U905 pin 14 to maintain regulati...

Страница 35: ...slow responding so that it does not react to the impulsive motor currents drawn by the brushless DC fan motor This isolates LV supply from these noise currents yet precisely regulates the fan to desi...

Страница 36: ...2 A11369 391F2 CAP 390PF 1 50V 0805 B 2 C123 A11369 391F2 CAP 390PF 1 50V 0805 B 2 C124 A11369 391F2 CAP 390PF 1 50V 0805 B 2 C125 OPEN B 3 C126 OPEN B 2 C127 OPEN B 2 C128 A11369 681J2 680 PF 50V 5 N...

Страница 37: ...5 C175 135224 1 001UF 10 500V X7R MLC 1206 F 3 C176 102438 150J2 CAP 15PF 5 200V NPO 0805 A 2 C198 135505 1 CAP 0 1UF 25V 10 X7R 0603 B 2 C199 135505 1 CAP 0 1UF 25V 10 X7R 0603 B 2 C200 135505 1 CAP...

Страница 38: ...19 1 CAP 1 0UF 25V X7R 10 0805 G 1 C244 139719 1 CAP 1 0UF 25V X7R 10 0805 G 1 C245 130561 1 10UF 25V 20 ALUM ELEC SMT T R G 1 C246 A10434 104KD CAP 0 1UF 250V 10 PEST RAD K 4 C247 A10434 104KD CAP 0...

Страница 39: ...EC RAD SNAP IN M 2 C913 A11427 104K2 1UF 50V CHIP CAP 10 0805 X7R O 3 C914 130561 1 10UF 25V 20 ALUM ELEC SMT T R O 3 C915 141679 1 CAP 47UF 35V 20 ELEC RAD N 3 C916 139719 1 CAP 1 0UF 25V X7R 10 0805...

Страница 40: ...0 X7R 0603 M 3 D1 135343 1 DIODE DUAL MMBD4148SE SOT 23 K 1 D2 137118 1 DIODE 30V 200MA DUAL SCHOTTKY D 1 D10 125593 1 DIODE SCHOTTKY 40V 1A SMA I 3 D11 125593 1 DIODE SCHOTTKY 40V 1A SMA I 3 D100 142...

Страница 41: ...FB107 125846 1 FERRITE BEAD 600 OHM 5A 0805 B 5 FB108 125846 1 FERRITE BEAD 600 OHM 5A 0805 B 5 FB200 125846 1 FERRITE BEAD 600 OHM 5A 0805 C 3 FB201 125846 1 FERRITE BEAD 600 OHM 5A 0805 D 5 FB202 12...

Страница 42: ...0X12 7 SMD C 3 P901 138320 1 IEC ISA RA PC MNT P 6 PWB1 141574 4 PWB XLS1000 XLS1500 AMP PS A 1 Q101 C 7448 1 MMBT3904 CHIP NPN D 1 Q102 C 7448 1 MMBT3904 CHIP NPN C 3 Q103 142058 1 PRP 141630 1 FDP52...

Страница 43: ...C 1 R11 A11368 10R00 RES 10 OHM 1 16W 1 0603 C 2 R12 A11368 10R00 RES 10 OHM 1 16W 1 0603 C 2 R13 A11368 30110 3 01KOHM 1 16W 1 0603 T R C 2 R14 A11368 10030 RES 100 0 KOHM 1 16W 1 0603 B 2 R15 A11368...

Страница 44: ...RES 2 0 KOHM 1 16W 1 0603 A 2 R132 A11368 13721 13 7K 1 10W 1 SMD 0805 T R A 2 R133 A11368 11821 RES 11 8K 0 10W 1 0805 A 3 R134 A11368 59010 RES 5 9 KOHM 1 16W 1 0603 A 2 R135 A11368 27411 2 74KOHM...

Страница 45: ...I 5 R199 A11368 16204 RES 162 OHM 0 5W 1 2010 I 5 R201 A11371 8205 82 OHM 1W 5 SMD 2512 D 5 R202 A11368 69800 RES 698 OHM 1 16W 1 0603 D 1 R203 A11368 17810 RES 1 78KOHM 0 063W 1 0603 D 1 R204 A11368...

Страница 46: ...D 1 R247 A11368 10R00 RES 10 OHM 1 16W 1 0603 C 3 R248 A11368 49910 RES 4 99 KOHM 1 16W 1 0603 D 1 R249 A11368 10020 RES 10 0 KOHM 1 16W 1 0603 C 2 R250 A11368 40230 RES 402KOHM 0 0625W 1 0603 F 2 R2...

Страница 47: ...J 4 R315 A11368 16204 RES 162 OHM 0 5W 1 2010 J 4 R316 A11368 16204 RES 162 OHM 0 5W 1 2010 J 5 R317 A11368 16204 RES 162 OHM 0 5W 1 2010 J 5 R318 A11368 16204 RES 162 OHM 0 5W 1 2010 J 5 R319 A11368...

Страница 48: ...1 0603 N 3 R927 A11368 12131 121KOHM 0 10W 1 CHIP 0805 N 3 R928 A11368 20031 200K 0 1W 1 SMD CHIP 0805 N 3 R929 A11368 20031 200K 0 1W 1 SMD CHIP 0805 N 3 R930 A11368 40201 402 OHM 1 0805 RES T R K 1...

Страница 49: ...C 8262 5 IC OPAMP DUAL LONOIS 33078 SO8 B 2 U3 141744 1 IC REG 12V 500MA 78M12C TO 263 F 2 U101 C 9012 3 OP AMP QUAD LO NOISE MC33079D B 2 U102 141643 1 IC DRV PWM IRS20957S E 3 U201 C 9012 3 OP AMP Q...

Страница 50: ...COMPONENT MAP XLS1000 1500 MAIN PWA...

Страница 51: ...390PF C239 1 390PF C139 1 390PF C138 1 390PF C137 1 390PF R203 1 78K R103 1 78K R319 34 8K 0 10W R419 34 8K 0 10W R139 34 8K 0 10W R239 34 8K 0 10W R118 75 R115 5 49K R123 0 5 R124 6 81K R211 1K R407...

Страница 52: ...1 R170 7 5K 1W 5 C146 10 250V 0 1 C246 10 250V 0 1 K201 1 2 3 4 5 C G N D 2 L101 1 2 3 4 10UH C173 10 250V 0 1 C147 10 250V 0 1 L102 1 4 1UH C152 0 001 500V C148 10 250V 0 1 C149 10 250V 0 1 C150 10 2...

Страница 53: ...R941 4 99K R939 100K R920 511 R912 49 9 R937 0 10W 402 R938 4 99K R936 0 10W 402 R917 100K R922 4 99K R940 49 9K 0 10W R943 49 9K 0 10W R947 2 49K R908 2K R945 49 9 R928 200K 0 10W R929 200K 0 10W R9...

Страница 54: ...5 FB207 IN_CH2 C206 100PF FB205 J3 1 2 3 R101 82 1W 5 R201 82 1W 5 C102 100PF C103 100PF C104 100PF C105 100PF C115 100PF C215 100PF C202 100PF C203 100PF C204 100PF C205 100PF FB206 C274 100PF C174 1...

Страница 55: ...X7R 0603 B 2 C100 135505 1 CAP 0 1UF 25V 10 X7R 0603 B 7 C101 135505 1 CAP 0 1UF 25V 10 X7R 0603 B 7 C102 A11369 101J2 100 PF 50V 5 NPO MLC 0805 T R A 7 C103 A11369 101J2 100 PF 50V 5 NPO MLC 0805 T R...

Страница 56: ...V X7R 10 0805 E 4 C145 130561 1 10UF 25V 20 ALUM ELEC SMT T R E 4 C146 A10434 104KD CAP 0 1UF 250V 10 PEST RAD I 6 C147 A10434 104KD CAP 0 1UF 250V 10 PEST RAD H 6 C148 A10434 104KD CAP 0 1UF 250V 10...

Страница 57: ...NPO MLC 0805 T R D 7 C208 A11369 472J2 CAP 4700PF 5 50V SMT 0805 D 1 C209 A11369 472J2 CAP 4700PF 5 50V SMT 0805 D 1 C210 A11369 222F2 CAP 2200PF 50V NPO 1 0805 D 2 C211 A11369 222F2 CAP 2200PF 50V NP...

Страница 58: ...00V X7R MLC 1206 K 6 C253 135224 1 001UF 10 500V X7R MLC 1206 K 7 C254 103429 474K8 CAP 470NF 250V 10 X7R 1812 H 2 C255 103429 103J5 0 01UF 250V 5 X7R 1206 T R G 3 C256 103429 103J5 0 01UF 250V 5 X7R...

Страница 59: ...CAP 1 0UF 25V X7R 10 0805 M 3 C917 A11427 103K1 0 01UF 50V 10 X7R MLC 0603 M 3 C918 A11427 104K2 1UF 50V CHIP CAP 10 0805 X7R M 3 C919 135505 1 CAP 0 1UF 25V 10 X7R 0603 M 2 C920 135505 1 CAP 0 1UF 2...

Страница 60: ...0V CHIP CAP 10 0805 X7R C 6 C999 135505 1 CAP 0 1UF 25V 10 X7R 0603 K 5 D1 135343 1 DIODE DUAL MMBD4148SE SOT 23 K 1 D2 137118 1 DIODE 30V 200MA DUAL SCHOTTKY D 1 D10 125593 1 DIODE SCHOTTKY 40V 1A SM...

Страница 61: ...5A 0805 C 3 FB101 125846 1 FERRITE BEAD 600 OHM 5A 0805 A 7 FB102 125846 1 FERRITE BEAD 600 OHM 5A 0805 A 7 FB103 125846 1 FERRITE BEAD 600 OHM 5A 0805 B 7 FB104 125846 1 FERRITE BEAD 600 OHM 5A 0805...

Страница 62: ...P 1 L101 141635 1 IND 10UH 30A 5 T157 2 TH G 5 L102 133326 2 INDUCTOR 1UH ADJUSTABLE H 6 L201 141635 1 IND 10UH 30A 5 T157 2 TH I 4 L202 133326 2 INDUCTOR 1UH ADJUSTABLE K 6 L901 141736 1 IND CM 1MH...

Страница 63: ...N308P SOT23 B 6 Q909 C 7448 1 MMBT3904 CHIP NPN B 6 Q910 C 7448 1 MMBT3904 CHIP NPN M 3 Q911 125798 1 XSTR MMBT3906 LT3 10K REEL D 1 Q912 C 7448 1 MMBT3904 CHIP NPN D 1 R3 A11368 10R00 RES 10 OHM 1 16...

Страница 64: ...A11368 90900 RES 909 OHM 1 1 16W 0603 B 2 R118 A11368 75R00 RES 75 OHM 1 16W 1 0603 B 3 R119 A11368 10000 RES 100 OHM 1 16W 1 0603 B 3 R120 A11371 0R00 RES 0 OHM 0603 50 MILOHM MAX B 3 R121 OPEN B 3...

Страница 65: ...68 38325 RES 38 3KOHM 1W 1 2512 E 5 R162 A11368 20010 RES 2 0 KOHM 1 16W 1 0603 D 4 R163 A11368 40225 RES 40 2 KOHM 1W 1 2512 E 5 R164 A11368 3R011 RES 3 01 OHM 1W 1 0805 E 5 R165 A11368 10020 RES 10...

Страница 66: ...N D 3 R222 A11371 0R00 RES 0 OHM 0603 50 MILOHM MAX D 2 R223 A11371 0R00 RES 0 OHM 0603 50 MILOHM MAX D 2 R224 A11368 68110 RES 6 81KOHM 0 0625W 1 0603 D 2 R225 A11368 20000 RES 200 OHM 1 16W 1 0603 D...

Страница 67: ...020 RES 10 0 KOHM 1 16W 1 0603 C 2 R266 A11368 10R00 RES 10 OHM 1 16W 1 0603 D 2 R267 A11368 3R011 RES 3 01 OHM 1W 1 0805 G 1 R268 A11368 10010 RES 1 0 KOHM 1 16W 1 0603 B 2 R269 A11368 10020 RES 10 0...

Страница 68: ...2010 J 6 R323 A11368 22104 RES 221 OHM 0 5W 1 2010 J 7 R324 A11368 22104 RES 221 OHM 0 5W 1 2010 J 7 R325 A11368 22104 RES 221 OHM 0 5W 1 2010 J 7 R326 A11368 22104 RES 221 OHM 0 5W 1 2010 J 7 R327 A...

Страница 69: ...10R01 10 OHM 1W 1 0805 T R ROHS M 3 R916 A11368 10003 100 OHM 0 25W 1 1210 T R M 1 R917 A11368 10030 RES 100 0 KOHM 1 16W 1 0603 K 5 R918 A11368 30120 RES 30 1 KOHM 1 16W 1 0603 K 4 R919 A11368 20020...

Страница 70: ...T201 140098 1 THERMISTOR 10K NTC 1 0603 H 1 RT901 138466 1 PRP 101103 1 PTC 125 P 2 S901 132498 1 SWITCH DPST PUSHBUTTON VDECSA N 2 T901 141666 1 XFMR MAIN XLS2500 120V 240V K 3 TP1 OPEN A 6 TP901 OPE...

Страница 71: ...COMPONENT MAP XLS2000 2500 MAIN PWA...

Страница 72: ...5 120PF C125 OPEN C228 1 680PF C136 100PF C129 5 120PF R118 75 R219 100 R223 0 5 R124 6 81K R220 0 5 R319 34 8K 0 25W R122 0 5 R217 909 R129 6 81K R127 6 81K R126 6 81K R128 562 R125 200 R216 909 R218...

Страница 73: ...1 0 50W R258 1 65K 0 10W R260 4 99K R303 49 9 R273 0 91 0 50W 5 R271 0 91 0 50W 5 R270 0 91 0 50W R305 49 9 R405 49 9 R412 221 0 50W R421 221 0 50W R299 221 0 50W R427 221 0 50W R426 221 0 50W R294 22...

Страница 74: ...700P F C910 275VA C 4700P F D915 4148SE Z901 K901 1 2 4 3 L902 1 2 3 4 1MH C905 275VAC 4700PF C906 275VAC 4700PF C924 5 500V 100P F L904 1 2 3 4 2 7UH TP 903 OPE N TP901 OPE N TP902 OPE N TP905 OPEN D...

Страница 75: ...100PF C103 100PF C104 100PF C105 100PF C115 100PF C215 100PF C202 100PF C203 100PF C204 100PF C205 100PF C174 100PF C274 100PF C106 100P F C107 100P F C206 100P F C207 100P F R101 82 1W 5 R201 82 1W 5...

Страница 76: ...3 by Victor Marquis NEW XLS series Overview Page 1 of 6 Introduction to the new XLS family of amplifiers Consisting of the XLS1000 XLS1500 XLS2000 XLS2500 Very efficient very powerful and very lightwe...

Страница 77: ...frequencies are the following Red were shown on the above plot 50 53 56 59 63 66 70 74 79 83 88 94 99 105 111 118 125 132 140 149hz 157 167 177 187 198 210 223 236 250 265 281 297 315 334 354 375 397...

Страница 78: ...ed to the mid s and highs This is fully adjustable by varying the ch2 level control Audio Precision 01 13 10 10 05 25 XLS2500 Cross over points skipping 3 for clarity Crossover test at27 Ch1 Low pass...

Страница 79: ...s is one step in efficiency above that At almost 80 efficient this about 90 power supply and 90 amplifier At idle the amplifier only consumes 35Watts While the output stage active Sleep mode is not ne...

Страница 80: ...load currents are occurring at amp out Voltages near zero The dissipations would be very high Here I am driving very low frequencies into a large 60hz transformer and since I am less than 30hz the tr...

Страница 81: ...customers will never run this much power for this sustained time Additionally the voice coils would have heated up and become like 4 ohm resistors Here are the max temperatures inside any of the drawn...

Страница 82: ...1 LCD POST Fail Initialization of LCD failed 1 2 LCD Communications Fail MCU unable to communicate with LCD Can occur anytime as opposed to POST These error codes are unique and based upon a Major an...

Страница 83: ...s not expected to deviate significantly in the future There is also a list of signals in Table 1 below Figure 2 LCD portion of APM schematic Pin Signal Function 1 DGND 2 5VD SUPPLY V FOR LOGIC 3 2397...

Страница 84: ...LCD need to be looked at with the scope according to the order in the flowchart A scope set with 2 V div and 5 sec div should be able to capture the toggling on the lines identified in the flowchart A...

Страница 85: ...BAD U706 MICROPROCESSOR INTERMITTENT CONNECTION LCD_EN LCD PIN6 TOGGLE OPEN SHORT U706 PIN 53 LCD_RW LCD PIN5 TOGGLE LCD_D4 D7 LCD PINS 11 14 TOGGLE LCD_RS LCD PIN4 TOGGLE BAD LCD Y N Y Y Y Y N N N N...

Страница 86: ...LCD and identify the issue Most likely there will be an unsoldered pin or shorted pins on the micro There is a smaller chance there could be a broken path between the pins on the micro and the LCD he...

Страница 87: ...layout Figure 8 U706 portion of schematic PIN1 PIN51 LCD_RS PIN33 LCD_D4 U706 LCD PINS LCD_EN 53 LCD_RW 52 LCD_RS 51 LCD_D7 36 LCD_D6 35 LCD_D5 34 LCD_D4 33 U706 LCD PINS LCD_EN 53 LCD_RW 52 LCD_RS 5...

Страница 88: ...R 230 240V XXLS1500 34 IN XLS 1500W AMP W XOVER LIMTR 230 240V XXLS1500 34 AU XLS 1500W AMP W XOVER LIMTR 230 240V XXLS2000 0 US XLS 2000W AMP W XOVER LIMTR 120V XXLS2000 2 EU XLS 2000W AMP W XOVER LI...

Страница 89: ...PWA XLS2500 220V AMP PS 142031 x PWA XLS2500 240V AMP PS 141558 x PWA XLS DISPLAY 1500 2000 2500 PWB s 141557 3 PWB XLS DISPLAY 141574 3 PWB XLS1000 1500 AMP PS 141601 4 PWB XLS2000 2500 AMP PS AUX TE...

Страница 90: ...XFMR MAIN XLS1500 220V 141662 1 XFMR MAIN XLS2000 100V 141663 1 XFMR MAIN XLS2000 120V 240V 141664 1 XFMR MAIN XLS2000 220V 141665 1 XFMR MAIN XLS2500 100V 141666 1 XFMR MAIN XLS2500 120V 240V 141667...

Страница 91: ...APPENDIX D XLS1000 1500 ASSEMBLY DRAWING...

Страница 92: ......

Страница 93: ...APPENDIX E XLS2000 2500 ASSEMBLY DRAWING...

Страница 94: ......

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