Infinity service manual PS series PS28 subwoofer, Power/Main Pcb

Page 15
POWER/MAIN PCB

PS series PS28 subwoofer

Part Number

Description

Qty Reference Designator

POWER/MAIN PCB

 

 

 

 

 

Resistors

 

 

 

 

 

 

 

 

110-14472j26-e

Resistor 4.7K 1/4W ±5% CF 26mm (RoHS)

2

R147,R150

110-14681j26-e

Resistor 680Ω 1/4W ±5% CF 26mm (RoHS)

2

R148,R151

110-16101j26-e

Resistor 100Ω 1/6W ±5% CF 26mm (RoHS)

1

R120

110-16102j26-e

Resistor 1K 1/6W ±5% CF 26mm (RoHS)

1

R124

110-16103j26-e

Resistor 10K 1/6W ±5% CF 26mm (RoHS)

1

R134

110-16105j26-e

Resistor 1M 1/6W ±5% CF 26mm (RoHS)

1

R143

110-16123j26-e

Resistor 12K 1/6W ±5% CF 26mm (RoHS)

2

R135,R139

110-16152j26-e

Resistor 1.5K 1/6W ±5% CF 26mm (RoHS)

6

R103,R123,R136,R137,R141,R142

110-16153j26-e

Resistor 15K 1/6W ±5% CF 26mm (RoHS)

4

R118,R145,R152,R154

110-16154j26-e

Resistor 150K 1/6W ±5% CF 26mm (RoHS)

1

R131

110-16181j26-e

Resistor 180Ω 1/6W ±5% CF 26mm (RoHS)

2

R111,R114

110-16182j26-e

Resistor 1.8K 1/6W ±5% CF 26mm (RoHS)

1

R153

110-16223j26-e

Resistor 22K 1/6W ±5% CF 26mm (RoHS)

3

R128,R129,R133

110-16332j26-e

Resistor 3.3K 1/6W ±5% CF 26mm (RoHS)

3

R106,R107,R144

110-16392j26-e

Resistor 3.9K 1/6W ±5% CF 26mm (RoHS)

2

R105,R108

110-16393j26-e

Resistor 39K 1/6W ±5% CF 26mm (RoHS)

1

R126

110-16470j26-e

Resistor 47Ω 1/6W ±5% CF 26mm (RoHS)

4

R112,R113,R115,R116

110-16471j26-e

Resistor 470Ω 1/6W ±5% CF 26mm (RoHS)

1

R140

110-16472j26-e

Resistor 4.7K 1/6W ±5% CF 26mm (RoHS)

3

R110,R125,R130

110-16473j26-e

Resistor 47K 1/6W ±5% CF 26mm (RoHS)

1

R101

110-16560j26-e

Resistor 56Ω 1/6W ±5% CF 26mm (RoHS)

1

R117

110-16563j26-e

Resistor 56K 1/6W ±5% CF 26mm (RoHS)

1

R104

110-16682j26-e

Resistor 6.8K 1/6W ±5% CF 26mm(RoHS)

1

R109

110-10821jk2-e

Resistor 820Ω 1W ±5% 10mm (RoHS)

1

R132,

110-122r2j15-e

Resistor 2.2Ω 1/2W ±5% 15mm (RoHS)

1

R127,

110-20331jk2-e

Resistor 330Ω 2W ±5% 5mm (RoHS)

1

R146,

110-20331jk3-e

Resistor 330Ω 2W ±5% (RoHS)

1

R149,

113-50r10j10-e

cement Resistor 0.1Ω 5W ±5% (RoHS)

2

R121,R122,

114-03302m0-e

semi-fixed Resistor 3K 0.3W ±20% (RoHS)

1

R138,

 

 

 

 

 

Capacitors

 

 

 

 

 

 

 

 

130-2b102k503-e

disc capacitor 1000P 50V ±10% (RoHS)

1

C116

130-3f104z503-e

disc capacitor 0.1U 50V +80/-20% (RoHS)

4

C108,C113,C115,C119

130-3f473m503-e

disc capacitor 0.047U 50V ±20% (RoHS)

1

C106

132-104j503-e

Mylar capacitor 0.1U 50V ±5% (RoHS)

1

C107

132-223ja03-e

Mylar capacitor 0.022uF 100V ±5% (RoHS)

4

C124,C125,C126,C128

135-3105m50-e

electrolytic CAP. 1U 50V ±20% (RoHS)

2

C105,C112

135-3107m16-e

electrolytic CAP. 100uF 16V ±20% (RoHS)

3

C109,C117,C120

135-3226m50-e

electrolytic CAP. 22U 50V ±20% (RoHS)

2

C114,C118

135-3227m10-e

electrolytic CAP. 220U 10V ±20% (RoHS)

2

C129,C130

135-3227m16-e

electrolytic CAP. 220U 16V ±20% (RoHS)

1

C111

135-3476m25-e

electrolytic CAP. 47U 25V ±20% (RoHS)

1

C103

132-223ja03-e

mylar capacitor 0.022uF 100V ±5% (RoHS)

2

C123,C127,

135-3107m16-e

electrolytic CAP. 100uF 16V ±20% (RoHS)

1

C110,

135-4688m50-e

electrolytic CAP. 6800U/50V ±20% D25X45mm (RoHS)

2

C121,C122,

 

 

 

 

 

Semiconductors

 

 

 

 

 

 

 

 

192-027c1815gr-e

transistor 2SC1815GR TOSHIBA(RoHS)

7

Q102,Q111,Q112,Q113,Q118,Q114,Q116

192-1572n5551-e

transistor FSC 2N5551 (RoHS) NPN

2

Q103,Q109

192-1582n5401-e

transistor FSC 2N5401 AI-PNP 350V500mA TO-92 (RoHS)

2

Q104,Q110

197-031n4148-e

diode 100mA 75V SIGNAL 1N4148ROHM (RoHS)

6

D101,D103,D105,D108,D117,D118

199-15000335-e

zener diode 3.3V 1/2W 52mm (RoHS)

1

D102

199-15000625-e

zener diode HZ6C2 RENESAS (RoHS)

2

D106,D107

199-15001605-e

zener diode HZ16-2 RENESAS (RoHS)

1

D109

190-06m4558d-e

IC OPA 4558 DUAL OP-AMP

 

2

U101,U203,

192-021tip35c-e

transistor TIP35C (RoHS) NPN

 

1

Q107,

192-022tip36c-e

transistor TIP36C (RoHS) PNP

 

1

Q108,

14

Image 15
Contents PS28 Subwoofer PS Series250 Crossways Park Dr Basic Specifications PS28 Powered Subwoofer CONTENTSINFINITY PRIMUS PS28 150W Powered Sub/ Plate Amp Protection SpecificationUnit EfficiencyPS series PS28 subwoofer Rear Panel ¡ Subwoofer-Level Control Crossover Adjustment £ Phase Switch¢ LFE Input ∞ Line-Level Inputs § Power Switch PS28RECEIVER/PROCESSOR If your receiver/processor doesnot contain a Dolby Digital or DTS processor but has a subwoofer outputOPERATION MAINTENANCE AND SERVICEPS series PS28 subwoofer Sweep Function PS28 Test Set Up and ProcedureSYSTEM AURAL SWEEP TEST Equipment needed General Unit Function UUT = Unit Under TestPS series PS28 subwoofer PS series PS28 subwoofer PS28 Troubleshooting Flow ChartPREAMP PCB PS 28 120v Electrical Parts ListPOWER/MAIN PCB 2 R310,R312 1 R341 1 R305 2 R342,R343 1 R307 2 R311,R313 2 C305,C306 Qty Reference Designator 2 Q101,Q115 1 Q117 1 Q119 1 Q106 1 Q1051 D110 1 D116 1 D104 1 RY101 1 P101 1 P102 1 P103 2 for Q107,Q108 1 back 1 back 8 R301,R303,R304,R308,R309,R314,R340,R344 1 R302MISCELLANEOUS/MECHANICAL PS series PS28 subwoofer PS series PS28 subwoofer PS series PS28 subwoofer PS series PS28 subwoofer PS series PS28 subwoofer PS series PS28 subwoofer PS series PS28 subwoofer PS series PS28 subwoofer
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Manual 8 pages 54.95 Kb

PS28 specifications

The Infinity PS28 is a standout model within the realm of audio technology, specifically tailored for music enthusiasts and audiophiles seeking an unparalleled listening experience. This state-of-the-art speaker system combines advanced engineering and premium materials to deliver exceptional sound quality and performance.

One of the main features of the Infinity PS28 is its innovative driver technology. Equipped with a high-efficiency 8-inch woofer, the PS28 offers deep, rich bass that remains clear and distortion-free, even at high volumes. The accompanying 1-inch tweeter provides crisp, detailed highs, ensuring that every note and frequency is reproduced with accuracy. This two-way speaker design creates a well-rounded audio profile that effectively balances low, mid, and high frequencies.

The Infinity PS28 also boasts cutting-edge materials in its construction. The woofer cone is made from a lightweight, rigid composite that enhances durability while minimizing unwanted vibrations. This contributes to a more impactful bass response, facilitating a rich soundstage that draws listeners into the music. Additionally, the cabinet is designed to reduce resonance, further improving the fidelity of sound produced.

In terms of connectivity, the PS28 is versatile and user-friendly. It comes equipped with multiple input options, including 5-way binding posts, allowing for easy integration with various audio systems. Whether you are setting it up in a home theater environment or connecting it to a high-fidelity stereo system, the PS28 easily adapts to different setups.

The speaker exhibits an impressive frequency response that spans from 40 Hz to 20 kHz, showcasing its ability to reproduce a wide range of sounds effectively. This wide range, combined with a sensitivity rating of 88 dB, allows the Infinity PS28 to perform excellently with a variety of amplifier power levels, making it accessible to both entry-level users and seasoned audiophiles alike.

The aesthetics of the PS28 are equally commendable. With a sleek and modern design, it fits seamlessly into any home décor while its elegant finish enhances its visual appeal. The speaker is also available in various color options, allowing users to choose a model that best suits their personal style.

In summary, the Infinity PS28 combines advanced driver technology, premium materials, wide connectivity options, and an aesthetically pleasing design, making it a compelling choice for anyone seeking to elevate their audio experience. Its ability to deliver outstanding sound quality and performance positions it as a worthy investment for music lovers and home entertainment enthusiasts.