Bose PackLite A1 Скачать руководство пользователя страница 22

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ELECTRICAL PART LIST

Power Supply / Amplifier PCB Assembly

Miscellaneous

Reference

Designator

Description Vendor

Part

Number

Note

F100

FUSE, T6.3A/125V, TE5-T, PSE/UL
(120V UNITS)

5120-1094+0 3,

F100

FUSE, T3.15A, 250V, 8.5X8, VDE/UL/SEMKO,
TR5-T (220-240V UNITS)

5120-0087+0 3,

F200

0 OHM, RMG, 1206, 1/8W, 1%

4721-000A+6

3, 4

MOV1

VARISTOR, 175V, SIOV-S05K175
(NON-ROHS UNITS)

4735-0002+0 3,

MOV2

VARISTOR, 175V, SIOV-S05K175
(NON-ROHS UNITS)

4735-0002+0 3,

MOV

VARISTOR, 320V, 10%, SIOV-S10K320
(ROHS COMPLIANT UNITS)

4735-0003+0 3,

THERMISTOR, NTC, 100K, 5,% B5,
7620C0104J162, 0805, EPCOS

5202-0019+0 4

N100

NTC THERMISTOR, 5 0HM, 4A, NIOSP005L,
UL/CSA/VDE

5202-0010+0 3,

N101

NTC THERMISTOR, 5 0HM, 4A, NIOSP005L,
UL/CSA/VDE

5202-0010+0 3,

N200

THERMISTOR, PTC, 1K, 0805, 90 DEG, EPCOS

5202-0011+0

N201

THERMISTOR, PTC, 1K, 130 DEG, 0805,
EPCOS

5202-0021+0 4

S100

WJ, #23, 120/220-240V SELECTOR JUMPER.
(USED ON 120V UNITS ONLY)

635N-0001-0 4

S302 WJ,

#23

635N-0001-0 4

TRAFO200

TRANSFORMER, SWITCHING, ETD29

1806-3898+0

3, 4

CON300

WAFER, 3P, P7.92/11.88, STRAIGHT

2101-3097+0

3, 4

CON301

WAFER, 4P, P3.96 (NON-ROHS UNITS)

2101-3053-0

CON301

WAFER, 4P, P3.96 (ROHS COMPLIANT UNITS)

2101-3053+0

J301 6

PIN,

2102-060S+003

J302 6

PIN,

2102-060S+003

J303

WAFER, 3P, P2.0, ST, MALE

2101-3008+0

JP1

WIRE JUMPER, ROLLER FORM, D=0.6MM
(ROHS COMPLIANT UNITS)

635N-0002+0 4

JP2

WIRE JUMPER, ROLLER FORM, D=0.6MM
(ROHS COMPLIANT UNITS)

635N-0002+0 4

Содержание PackLite A1

Страница 1: ...30 33 Test Procedures 33 34 Figure 3 Amplifier SMPS PCB Non RoHS Topside Etch Layout 35 Figure 4 Amplifier SMPS PCB Non RoHS Internal Etch Layer 1 Layout 35 Figure 5 Amplifier SMPS PCB Non RoHS Inter...

Страница 2: ...MEASUREMENTS NOT WITHIN THE LIMITS SPECIFIED HEREIN INDICATE A POTENTIAL SHOCK HAZARD THAT MUST BE ELIMINATED BEFORE RETURNING THE UNIT TO THE CUSTOMER B Insulation Resistance Test Cold Check 1 Unplug...

Страница 3: ...A1 is used together with the Cylindrical Radiator loudspeaker no time consum ing adjustments are required The components act as a system and automatically adjust bass output for more level and headro...

Страница 4: ...t 250W RMS 8 ohm loudspeaker with a power rating of at least 125W RMS 4 INPUT connector Accommodates a TRS balanced or TS unbalanced plug INPUT can be connected to either of the following Bass Line OU...

Страница 5: ...rom the OUTPUT connector on the A1 to a B1 bass mod ule If desired connect a second B1 to the first B1 5 Set the A1 power switch to ON I CAUTION Do not connect more than two B1 bass modules to an A1 a...

Страница 6: ...ctor on the first A1 amplifier to the INPUT connector of the next A1 amplifier 5 Connect a B1 bass module to the OUTPUT connector on each A1 amplifier If desired connect a second B1 to the first B1 6...

Страница 7: ...head unit preamp digital modeler or studio console line output You can use either a balanced TRS or unbalanced TS connection The amplifier will sense the type of connection and automatically adjust th...

Страница 8: ...ed 110k ohms balanced Input clipping 10 Vrms 22 dBu Frequency response 20 Hz to 20 kHz 0 5 dB THRU output type Balanced unbalanced dependent on INPUT connection type Output circuitry Class D Protectio...

Страница 9: ...s that connect to conductive floor mats Avoid touching the leads or contacts of ESDS devices or PC boards even if properly grounded Handle boards by the edges only Transport or store ESDS devices in E...

Страница 10: ...280x150x70 287554 4201 1000 1 1 5 PackLite Amplifier Assembly REF 1 6 Filler Lower 292x167x46 291588 1450 8840 1 1 7 Power Cord 120V US Canada 263453 1 3 Power Cord L 2 5M 230V Europe 173352 7012 6980...

Страница 11: ...INP 1 2 10 HOUSING CHASSIS LOWER ALUM 266x140x28mm 1405 6601 0 1 4 11 WASHER SPRING M3X0 9X5 5 YZ AMP PS PCB 2607 3009 0550 4 4 12 SCREW CHASSIS 2944 3012 3000 4 4 13 LABEL SAFETY 120V Units LABEL SA...

Страница 12: ...12 Figure 2 PackLiteTM A1 Amplifier Exploded View...

Страница 13: ...1 4720 912A J 4 R20 4 7 OHM RWR 5W 5 RL 474B 4R7J 5 3 4 R21 64 9K RMG 0603 1 16W 1 4723 6492 P 4 R22 0 OHM RMG 0805 1 10W 5 4720 000J J 4 R23 9 1K RMG 0805 1 10W 1 4720 912A J 4 R24 3 3K RMG 0603 1608...

Страница 14: ...0603 1608 1 16W 1 4723 272A P 4 R70 2 7K RMG 0603 1608 1 16W 1 4723 272A P 4 R71 2 7K RMG 0603 1608 1 16W 1 4723 272A P 4 R72 2 7K RMG 0603 1608 1 16W 1 4723 272A P 4 R75 2 2 OHM RMG 0603 1608 1 16W...

Страница 15: ...NITS 4725 R15J 6 3 4 R207 0 12 OHM RMG 1206 1 4W 5 ROHS COMPLIANT UNITS 4725 R12J 6 3 4 R208 47K RMG 0805 1 10W 5 4720 473J J 4 R209 47K RMG 0805 1 10W 5 4720 473J J 4 R210 47K RMG 0805 1 10W 5 4720 4...

Страница 16: ...5CH 470J P AC 4 C7 330pF CTC 0603 0 60 5 0 8X1 6 15CH 331J P AC 4 C8 0 22uF CC 0805 16V 10 1 2X2 0 150D 224K J BD 4 C9 220pF CTC 1206 0 30 100V 5 15CG 221J 6 CFH 4 C10 3300pF CC 0805 50V 10 1 2x2 0 15...

Страница 17: ...URATA ROHS COMPLIANT UNITS 150F 225K 6 CFM 4 C40 1uF 1206 X7R CC 50V 10 MURATA NON ROHS UNITS 150F 105K 6 CFM 4 C40 2 2uF CC 1206 50V 10 X7R MURATA ROHS COMPLIANT UNITS 150F 225K 6 CFM 4 C43 2200uF 10...

Страница 18: ...5 T 4 C109 1000pF CC 400V 20 RL 9X6 150T 102M 5 QK 3 4 C110 1000pF CC 400V 20 RL 9X6 150T 102M 5 QK 3 4 C111 2200pF CC 400V 20 RL 10X6 150T 222M 5 SK 3 4 C112 0 33uF CM 300V 10 RB 18X15 5X10 1511 334...

Страница 19: ...P AC 4 C222 470uF CE 35V 105C 20 RL 10X20 157Q 477M 5 S9T 4 C223 470uF CE 35V 105C 20 RL 10X20 157Q 477M 5 S9T 4 C226 0 15uF CC 0805 50V 10 150F 154K J BD 4 C227 0 15uF CC 0805 50V 10 150F 154K J BD...

Страница 20: ...3 4 D200 US1J 600V 1A 75NS SOD124 480U S1J0 3 4 D201 BAS216 75V 250MA 4NS SOD110 480S 2160 3 4 D202 BAS216 75V 250MA 4NS SOD110 480S 2160 3 4 D203 BAS216 75V 250MA 4NS SOD110 480S 2160 3 4 D204 BAS216...

Страница 21: ...2PAK Bose part number 291329 4905 0FD0 3 Q202 REGULATOR 5V LM78L05ACM SO 8 3131 3390 0 4 Q203 BCP56 10 NPN SOT223 485C P560 3 4 Q204 REGULATOR 250MA LM79L05 SO8 3132 3091 0 4 Q205 FFB2227A NPN PNP PAI...

Страница 22: ...MISTOR 5 0HM 4A NIOSP005L UL CSA VDE 5202 0010 0 3 4 N101 NTC THERMISTOR 5 0HM 4A NIOSP005L UL CSA VDE 5202 0010 0 3 4 N200 THERMISTOR PTC 1K 0805 90 DEG EPCOS 5202 0011 0 4 N201 THERMISTOR PTC 1K 130...

Страница 23: ...RMG 0805 1 10W 5 4720 204J J 4 R321 39K RMG 0805 1 10W 1 4720 393A J 4 R322 100 OHM RMG 0805 1 10W 5 4720 101J J 4 R323 22 OHM RMG 0805 1 10W 5 4720 220J J 4 R324 20K RMG 0805 1 10W 1 4720 203J J 4 R...

Страница 24: ...4720 222A J 4 R379 39K RMG 0805 1 10W 1 ROHS COMPLIANT UNITS 4720 393A J 4 Capacitors Reference Designator Description Vendor Part Number Note C301 10uF CE 50V 20 RLT 4X7 157F 106M K GM 4 C302 27pF C...

Страница 25: ...F CE 50V 20 RLT 4X7 ELNA 157F 225M K GMK 4 C344 1uF CC 0805 25V 10 150E 105K J BD 4 C345 1uF CE 50V 20 RLT 4X7 157F 105M K GM 4 C346 47uF CE 25V 20 RLT 5X11 ELNA 157E 476M K IUE 4 C347 47uF CE 25V 20...

Страница 26: ...TS 4853 9040 K 4 Q301 2N3904TA RLT ROHS COMPLIANT UNITS 4853 9040 K 4 Q302 2N3904 RLT NON ROHS UNITS 4853 9040 K 4 Q302 2N3904TA RLT ROHS COMPLIANT UNITS 4853 9040 K 4 Q303 2N3904 RLT NON ROHS UNITS 4...

Страница 27: ...ITS 3130 6890 0 4 U303 NJM2068M ZZZB DUAL OP AMP ROHS COMPLIANT UNITS 3130 6890 0 4 U304 LM311M VOLTAGE COMPARATOR 3130 9240 0 4 U305 LM13700M TRANSCONDUCTANCE AMP 3132 1981 0 4 U306 OP AMP NJM2068M J...

Страница 28: ...0002 0 4 JP16 WIRE JUMPER ROLLER FORM D 0 6MM 635N 0002 0 4 JP17 WIRE JUMPER ROLLER FORM D 0 6MM 635N 0002 0 4 JP18 WIRE JUMPER ROLLER FORM D 0 6MM 635N 0002 0 4 JP19 WIRE JUMPER ROLLER FORM D 0 6MM 6...

Страница 29: ...603 3700 7834 G 4 Reference Designator Description Vendor Part Number Note CN205 CONN 3 PIN P2 0 ST 25056457 2002P0300T NON ROHS UNITS 2101 3008 0 4 CN205 PLUG NPLG 3P350 25055367 ROHS COMPLIANT UNITS...

Страница 30: ...chassis housing be sure that all four rubber feet 6 are aligned with the grooves in the upper chassis housing 2 Input Limiter PCB Assembly Removal 2 1 Perform procedure 1 2 2 Using a pair of diagonal...

Страница 31: ...er colored screw located near C223 is used for grounding the PCB assem bly to the lower housing Be sure to use only the silver colored star washer under it to ensure a good ground connection 3 Note th...

Страница 32: ...mbly Notes 1 Be sure to align the light pipe with the upper housing and to align the LED PCB with the four tabs on the LED lens 2 Make a note of the direction that the LED PCB mounts to the upper hous...

Страница 33: ...t using an 80 kHz Low Pass Filter 2 Remove the input signal after tests with high levels to avoid overheating the amplifier and load 3 There are 120V and 220 240V versions of this product The voltage...

Страница 34: ...5 6 Measure the Total Harmonic Distortion THD at the load It should be less than 0 1 0 02 typical at 1 kHz 6 Signal to Noise Test 6 1 Remove the signal generator and insert a TRS test plug with a 600...

Страница 35: ...35 Figure 3 Amplifier SMPS PCB Non RoHS Topside Etch Layout Figure 4 Amplifier SMPS PCB Non RoHS Internal Etch Layer 1 Layout...

Страница 36: ...36 Figure 5 Amplifier SMPS PCB Non RoHS Internal Etch Layer 2 Layout Figure 6 Amplifier SMPS PCB Non RoHS Bottom Etch Layout...

Страница 37: ...37 Figure 7 Amplifier SMPS PCB RoHS Topside Etch Layout Figure 8 Amplifier SMPS PCB RoHS Internal Etch Layer 1 Layout...

Страница 38: ...38 Figure 9 Amplifier SMPS PCB RoHS Internal Etch Layer 2 Layout Figure 10 Amplifier SMPS PCB RoHS Bottom Etch Layout...

Страница 39: ...39 Figure 12 Input Limiter PCB Non RoHS Bottom Side Etch Layout Figure 11 Input Limiter PCB Non RoHS Top Side Etch Layout...

Страница 40: ...40 Figure 14 Input Limiter PCB RoHS Bottom Side Etch Layout Figure 13 Input Limiter PCB RoHS Top Side Etch Layout...

Страница 41: ...00 OHM 1 4 WATT RESISTOR CONNECTED BETWEEN TIP AND RING 2 1 2 1 Neutrik Speakon 4 pole plug 4 Ohm 250 Watt load resistor Twisted pair wiring R R Part List Neutrik Speakon NL4FX connector 2 feet 1 2m o...

Страница 42: ...s Input level is too high Lower the level of the input signal The red light should no longer illuminate when a fault condition is removed In the case of thermal overload the amplifier may have to cool...

Страница 43: ...brackets is the schematic grid location on the sheet The amplifier comprises two PCB s a Switch Mode Power Supply SMPS Amplifier PCB and an Input Limiter PCB The SMPS Amplifier PCB filters the AC main...

Страница 44: ...oscillating frequency for the half bridge driver IC200 C1 which controls Q200 C2 and Q201 B2 to provide the high current switching N201 A3 forms a resistive divider with R290 B2 and turns on Q290 A3 i...

Страница 45: ...e a thermal shutdownof the amplifier above 120 degrees C and is brought externally to J302 pin 1 Input Limiter PCB Schematic Sheet 1 C8 Other signals provided externally on connectors Enable bidirecti...

Страница 46: ...ack and a pass through parallel connection D301 through D304 D1 to D3 provide input short circuit protection and ESD protection by clamping to the power supply rails C307 C308 C316 and C330 C D1 provi...

Страница 47: ...e order of a second This voltage is compared to a reference R324 and R328 C2 and if it goes below 700 mV U304 output goes high to turn on Q301 C3 Gain Switch After a 6 dB pad consisting of R305 and R3...

Страница 48: ...cent voltage at the base of Q304 is too high there will be a delay when an input signal reaches the limiting threshold as C331 C5 discharges enough to turn on Q304 N300 compensates for temperature dif...

Страница 49: ...ime to avoid large output signals on the speaker output The purpose of monitoring the 18VDC level is to provide under voltage protection for the amplifier Because the power converter on the amp board...

Страница 50: ...ge across Zobel resistor Shutdown per channel OC Time settable by resistor value Shared time constant with OC RED Thermal External Negative Temperature Coefficient resistor threshold detection with hy...

Страница 51: ...ents Virtual ground summing pin 10 Out_B_Ch2 Connects the external loop components Op amp output pin 11 In_C_Ch2 Connects the external loop components Virtual ground summing pin 12 Pwm _ch2 The first...

Страница 52: ...f this channel It is not connected internally to main ground 34 CS1_ch1 Pin for connection of capacitor for the dc servo This pin is the output of the internal dc servo amplifier 35 CS2_ch1 Pin for co...

Страница 53: ...enable 8 Blanking Dead time control 9 VS Negative supply of chip 10 LowDrive Low side Output 11 Vdrive Positive supply of Low side 12 Isense2_L Over current sensing_1 for Low side 13 Isense1_L Over c...

Страница 54: ...iven By Pages Affected 10 05 00 Document released at revision 00 Service manual release All 3 06 01 Added theory of operation and IC block diagrams Additional information available 38 48 7 06 02 Added...

Страница 55: ...2006 Bose Corporation Reference Number 283300 SM Rev 02 Service Manual PackLiteTM Power Amplifier Model A1 120V and 220 240V versions Electronic Copy Only...

Страница 56: ...SPECIFICATIONS AND FEATURES SUBJECT TO CHANGE WITHOUT NOTICE Bose Corporation The Mountain Framingham Massachusetts USA 01701 P N 283300 SM Rev 02 7 2006 P http serviceops bose com...

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