Philips DV29 service manual Filename L931TX1.1.sch, Pembroke Avenue, Waterbeach Cambridge CB5 9QR

Page 45

Transformer Specification for 100/115/230V 50/60Hz mains transformer (for audio)

Arcam Part Number L931TX

General Safety specification.

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1.To standards BS415 / EN60065 - Class I / EN60742

2.Transformer to be used in equipment which will be sold worldwide and certified to CE, CB, UL and CSA Standards. All materials etc to be adequate for worldwide safety approvals.

Material Safety Specification

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TOP VIEW

 

 

 

 

Ferrite core WURTH 74270062 (or

 

220MM, +20, -0

 

 

equivelant).

 

 

 

 

 

Secondary wires pass through ferrite.

 

 

 

 

 

 

 

 

Heatshrink tubing fitted over ferrite, but

 

 

 

 

not firmly to cable, so that ferrite is free to

 

 

 

 

move along cable

 

 

 

 

 

3.Winding Wire to be Grade 2 (130°C rating) to BS 60317-4 1995

4.Mylar Polyester Insulator Rated to 130°C

Electrical Specification

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5.Transformer to have dual 115V primaries to allow parallel operation for 100/115V input and series operation with 230V input.

6.Transformer to have 2 secondary windings as shown in the adjacent diagram.

7.The output from the secondary windings are to be full wave rectified and smoothed as shown in the 'test circuit' diagram.

8.Transformer input voltage range as follows:

115V: (85V to 132.5V) windings in parallel

 

SECONDARIES

 

 

 

 

 

4 way MOLEX 39-01-3048

 

 

 

 

FERRITE

 

 

 

 

or CONEXCON 6740-1040

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PRIMARIES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

400MM, +20, -0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TEST CIRCUIT

6 way MOLEX 39-01-2065 or CONEXCON 6740-1060

6

5

4

4

3

3

2

1

2

1

 

6 way

 

4 way

230V: (170V to 265V) windings in series

Note. Extended input voltage range 85V to 265V

9. At minimum input voltage (170V AC with primaries in series) and maximum load of 120mA the minimum voltage on the

capacitor must be = (or >) 13.5V.

10. Temperature rise to be such that transformer is safe when operated in an enclosure with 50C maximum internal

PRIMARY

6 WAY CONN PIN 1 BROWN

SECONDARY

RED

4 WAY CONN PIN 2

General Instrument / Vishay

+VOUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin-outs of Molex connectors, as viewed looking down at the end the wires enter the connector

temperature.

Mechanical Specification

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11. Primary windings connect to 6 way MOLEX connector 39-01-2065. Secondary

windings connect to 4 way molex connector 39-01-3048. CONEXCON alternatives are allowed. Use MOLEX pin 44476-3112.

MOLEX connectors have pin numbers indicated on them.

12.Use 24 AWG wire with colours as shown. Primary wires are enclosed in a common sleeve. Secondary wires are enclosed in a common sleeve. Use PVC sleeving.

13.Transformer to be marked with Arcam part number and issue number.

14.Transformer is for Hi-Fi audio; Acoustic noise must be inaudible.

15.Transformer to be supplied with mounting kit consisting of metal dished washer and 2 neoprene or similar washers.

115V ac

 

6 WAY CONN PIN 4

WHITE

 

6 WAY CONN PIN 3

BLACK

115V ac

 

 

6 WAY CONN PIN 6

BLUE

ORANGE

4 WAY CONN PIN 1

YELLOW

4 WAY CONN PIN 4

GREEN

4 WAY CONN PIN 3

W02G

W02G

3300UF

3300UF

120mA load

0V

120mA load

-VOUT

Voltage on Reservoir Capacitor

+VOUT_min

Minimum output voltage specified at: Min input voltage

Max load (see text)

0V

-VOUT_min

65mm max

LEADS EXIT NEAR TOP max40mm

 

DRAWING TITLE DV29 AUDIO TRANSFORMER

 

 

 

 

 

 

 

 

 

 

04_E107

PG

21-07-04

Add 20mm to all lead lengths, ferrite free to move on cable

1.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

￿￿￿￿￿

Filename: L931TX_1.1.sch

 

 

04_E087

PG

28-06-04

Production release. Add ferrite core to secondary cable

1.0

 

Notes:

 

 

04_E048

PG

27-04-04

Reduce specified output voltage to 13.5V at 120mA

A.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A & R Cambridge Ltd.

 

 

 

04_E034

PG

26-03-04

Prototype Release

 

 

A.0

 

Pembroke Avenue

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ECO No.

INITIALS

DATE

DESCRIPTION OF CHANGE

 

 

ISSUE

 

Waterbeach

 

 

 

 

 

 

Cambridge CB5 9QR

Contact Engineer: Peter Gaggs

Contact Tel:

(01223) 203270

Printed:

21-Jul-2004

Sheet 1 of 1

A3

DRAWING NO. L931TX

 

Image 45
Contents Service Manual DV29 Switch mode Power supply board Non-switchingPower supply main board OverviewDisplay Board Please see above for power supply informationMain Board electronics Zoran Vaddis Atapi interfaceDigital Audio Display Board interfaceDigital Video ClocksFunction Gpio control signals from the Vaddis Single NameClocks and Spdif stage Clock BufferLeft and Right channel D to a stages Enableav o 16/9Video Encoder Scart OutputHdmi output stage Comms and Final video output stage L959CT DV78 Series PSUPage DV29 DVD player PSU board L959AY issue Drawing Title DV29 Main Board TOP Level Boot Select ResetZoran Vaddis SdramDrawing Title DV29 Main Clocks & Spdif Clock DividerL971C3 Left Drawing Title DV29 Main DAC L & R AudioMuting ALL Parts on this Sheet are not Fitted for DV75 DV29 Main DAC LS & RS AudioL971C5 L971C6 DV29 Main DAC Centre & SUBRLY600B RLY600AVideo AudioScart Output ControlAUX PSU DV29 only EMC canVaddis +1.8V Regulator FIT for DV79/75L971C11 DV29 HdmiDV29 Comms & Video SNAP-OFF On SNAP-OFF PCBUN-MODULATED RC5 L971C9L971C7 Drawing Title DV29 Video EncoderPage DV29 DVD player Main board L971AY issue DV29 DVD player Main board L971AY issue DV29 DVD player Main board L971AY issue DV29 DVD player Main board L971AY issue DV29 DVD player Main board L971AY issue DV29 DVD player Main board L971AY issue DV29 DVD player Main board L971AY issue 3BS1D 5KLVC157A DV29 DVD player Main board L971AY issue DV29 DVD player Main board L971AY issue DV29 DVD player Main board L971AY issue DV29 DVD player Main board L971AY issue DV29 DVD player Main board L971AY issue 4AFMMT497 NAV IR/LED SNAP-OFF BoardVFD Drawing Title DV29 Display BoardPage DV29 DVD player Display board L972AY issue Arcam Filename L925TX1.1.Sch Waterbeach Cambridge CB5 9PBSheet 1 Filename L931TX1.1.sch Pembroke AvenueWaterbeach Cambridge CB5 9QR #$%&*+,*-%*+.%/*0,+1%/*234%-,43 +*352 +1%4452,4 Arcam

DV29 specifications

The Philips DV29 is a versatile DVD player that reflects the brand's commitment to delivering high-quality entertainment solutions. This model is designed to cater to the needs of users who seek an optimal viewing experience while enjoying their favorite movies and shows. With a sleek and compact design, the DV29 fits seamlessly into any home entertainment setup.

One of the standout features of the Philips DV29 is its compatibility with various disc formats. The player can handle not just standard DVDs but also CD-RW, CD-R, and MP3-CD formats, making it a versatile choice for media playback. This broad compatibility ensures that users can enjoy a vast library of content without the need for multiple devices. Additionally, the player supports multiple audio formats, including Dolby Digital and DTS, which enhances the audio experience significantly, providing a theater-like experience right at home.

The Philips DV29 incorporates advanced video technologies to enhance the quality of playback. With an 8-bit video DAC, this player offers improved color depth and clarity, ensuring that even standard-definition content appears sharp and vibrant. The model also features progressive scan functionality, which allows for smoother motion and crisper images, making it an excellent choice for those who want to get the most out of their DVDs.

Another noteworthy characteristic of the Philips DV29 is its user-friendly interface. Navigating through menus and options is straightforward, thanks to its well-designed remote control and on-screen display. This ease of use makes it accessible for all age groups, from tech-savvy individuals to those less familiar with modern gadgets.

Furthermore, the Philips DV29 is equipped with a range of connectivity options. It comes with composite and S-Video outputs, allowing users to connect the player to different types of TVs and audiovisual equipment easily. Its compact design ensures that it can be easily integrated into any media setup without consuming too much space.

In summary, the Philips DV29 is a well-rounded DVD player that offers a great combination of versatility, quality, and user-friendliness. Its range of supported formats, advanced video technologies, and thoughtful design characteristics make it an excellent addition to any home entertainment system. Whether for family movie nights or solo viewing experiences, the DV29 is equipped to deliver a satisfying audiovisual journey.