Philips DV29 service manual Filename L925TX1.1.Sch, Waterbeach Cambridge CB5 9PB, Sheet 1

Page 44

NOTE.

TRANSFORMER IS TO BE USED ON SECONDARY SIDE OF MAINS

ISOLATION BARRIER (I.E. THIS TRANSFORMER IS NOT REQUIRED

TO PROVIDE MAINS ISOLATION BARRIER)

MAXIMUM VOLTAGE BETWEEN WINDINGS <60V

VIEW FROM SIDE OF PART

SHOWING OUTER FOIL SCREEN

WINDING DETAILS

 

 

 

No PER

ID

OD

START

END

NOTES

WINDING

TURNS

WIRE DETAILS

CABLE

 

 

PIN #

PIN #

 

 

 

 

 

 

 

 

 

 

PRIMARY2

16

ENAMELLED COPPER WIRE

1

0.8mm

0.86mm

3

2

SPACE WINDING ACROSS WHOLE BOBBIN WIDTH

 

 

 

 

 

 

 

 

 

SCREEN 2

 

INSULATED 2mil COPPER FOIL

 

 

 

1

 

SCREEN TO HAVE NO OVERLAP AT ENDS

 

 

 

 

 

 

 

 

 

SECONDARY3

22

ENAMELLED COPPER WIRE

1

0.25mm

0.3mm

11

12

WIND ACROSS WHOLE BOBBIN WIDTH BETWEEN GAPS IN SEC4

 

 

 

 

 

 

 

 

 

SECONDARY4

14

ENAMELLED COPPER WIRE

1

0.66mm

0.72mm

9

10

SPACE WINDING ACROSS WHOLE BOBBIN WIDTH

 

 

 

 

 

 

 

 

 

SECONDARY5

10

ENAMELLED COPPER WIRE (BIFILAR)

2

0.66mm

0.72mm

7

8

WIND AS A BIFILAR PAIR ACROSS WHOLE BOBBIN WIDTH

SHORTED TURN FOIL SCREEN TO BE ELECTRICALLY CONNECTED TO CORE CLAMP CONDUCTIVE ADHESIVE FOIL MAY BE USED FOIL TO BE COVERED IN A LAYER OF MYLAR TAPE

6 to 8mm 10THOU COPPER

OUTER SCREEN

SECONDARY1

41

ENAMELLED COPPER WIRE

1

0.25mm

0.3mm

4

5

WIND SEC1 AND SEC2 AS A BIFILAR PAIR ACROSS

 

 

 

 

 

 

 

 

SECONDARY2

41

ENAMELLED COPPER WIRE

1

0.25mm

0.3mm

5

6

WHOLE BOBBIN WIDTH

 

 

 

 

 

 

 

 

 

 

SCREEN 1

 

INSULATED 2mil COPPER FOIL

 

 

 

1

 

SCREEN TO HAVE NO OVERLAP AT ENDS

ELECTRICAL REPRESENTATION

SEE VIEW GIVING PIN LENGTH DIMENSIONS

PRIMARY1

16

ENAMELLED COPPER WIRE

1

0.8mm 0.86mm

2

1

SPACE WINDING ACROSS WHOLE BOBBIN WIDTH

TX2

Ferrite Switch Mode

L925TX

4

41T SECONDARY1

VIEW FROM TOP OF PART WITH PART INSTALLED IN PCB

WINDING ARRANGEMENT ON BOBBIN

 

 

5

 

 

 

41T

SECONDARY2

 

 

6

 

 

1

11

 

PRIMARY1

16T

22T

SECONDARY3

 

12

 

 

2

 

 

9

 

 

 

 

PRIMARY2

16T

14T

SECONDARY4

 

PIN 1 TO BE MARKED

1.1 INCH

1

12

2

11

3

10

4

9

5

8

6

7

2 LAYERS MYLAR TAPE PRIMARY2

SCREEN2 SECONDARY4 + SECONDARY3

SECONDARY5

SECONDARY1 + SECONDARY2

SCREEN1

PRIMARY1

1 FULL LAYER

WIND SECONDARY 4 FIRST THEN SECONDARY 3 IN THE GAPS

1 FULL LAYER WIND AS BIFILAR PAIR

SEC1 AND 2 WOUND AS BIFILAR PAIR ACROSS FULL WIDTH

1 FULL LAYER

3

10

 

7

 

10T SECONDARY5

 

8

SCR

 

VIEW FROM SIDE OF PART

SHOWING PIN LENGTH DIMENSIONS

MATING FACE OF TX 7 REF.

PCB

2.5 MAX

1.2 INCH

NOTE PIN NUMBERING CONVENTION

MATERIALS

 

 

 

 

 

CORE

PQ32/30 in PC44 MATERIAL (OR EQUIVALENT)

 

 

 

CORE TO BE GAPPED IN CENTRE LEG TO GIVE REQUIRED Lpri (GAP APPROX 0.4mm)

 

 

 

(Lpri = 450uH +/- 10% PRIMARY INDUCTANCE MEASURED FROM PIN 1 TO 3 )

 

 

 

PART NUMBER TDK PC44PQ32/30Z-12 (OR EQUIVALENT)

 

 

BOBBIN

PART NUMBER TDK BPQ32/30-1112CP (OR EQUIVALENT)

 

 

CLAMP

PART NUMBER TDK FPQ32/30-A (OR EQUIVALENT)

ARRANGEMENT OF INTERNAL FOIL SCREENS

ASSEMBLY DETAILS

 

 

 

 

 

 

 

WIRE

 

 

 

 

 

 

 

 

 

 

 

1

PART TO BE MARKED WITH PART NUMBER / ISSUE NUMBER

 

 

 

 

 

 

 

 

 

 

 

2

INTERNAL SCREENS TO BE FULL WIDTH. CONNECTION TO SCREEN VIA SOLDER JOINT TO COPPER (SEE DIAGRAM)

FOIL (2mil OR THINNER)

 

 

 

 

 

 

 

 

 

 

 

SOLDER JOINT TO BE ARRANGED TO PRODUCE A LUMP IN THE CORE WINDOW

INSULATOR

 

 

 

 

 

 

 

 

 

 

SOLDER JOINT TO MADE MADE TO CLEAN COPPER AND JOINT TO BE TAPED.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FULL WINDING WIDTH

 

 

 

 

SOLDER JOINT TO BE MADE HALF WAY ALONG LENGTH OF THE FOIL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SCREEN TO BE HIGHEST POSSIBLE RESISTANCE FOIL FOR LOWEST LOSSES. (I.E. FOIL AS THIN AS POSSIBLE)

 

 

 

 

SOLDER JOINT TO BE COVERED IN TAPE

 

SCREEN TO BE MADE FROM MAXIMUM 0.05mm (2MIL) FOIL

 

 

 

 

 

 

 

 

 

 

JOINT MUST BE MADE TO CLEAN COPPER

3

WINDINGS WILL BE A TIGHT FIT ON BOBBIN. NOTES AND WINDING ARRANGEMENT SPECIFIED TO BE ADOPTED.

 

 

 

 

(I.E. NOT THROUGH MYLAR INSULATOR)

 

 

4TRANSFORMER TO BE FITTED WITH AN OUTER COPPER SCREEN WRAPPED AROUND THE OUTSIDE OF THE OF THE TRANSFORMER CORE AND CONTACTING THE METAL CORE CLAMP THUS FORMING A SHORTED TURN

 

 

 

 

 

 

 

TO LEAKAGE FLUX. SEE DIAGRAM

 

 

 

 

 

 

 

 

 

 

1

 

12

 

 

 

SCREEN TO BE 10THOU COPPER STRIP 6 to 8mm WIDE AND FITTED OVER THE JOIN OF THE CORE HALVES.

 

 

 

1 BUMP FROM SCREEN JOINT TO BE

 

 

 

 

SCREEN TO BE COVERED IN A LAYER OF TAPE.

 

 

 

 

 

 

 

 

2

11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ADJACENT TO CORE WINDOW

 

 

5 PIN 1 ON BOBBIN TO BE MARKED WITH WHITE PAINT (OR OTHERWISE)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TO MINIMISE LOSS OF WINDING HEIGHT

3

10

 

 

 

 

 

 

 

 

 

 

 

THIS MARKING TO BE USED TO ORIENTATE TX DURING WINDING PHASE TEST

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 MAXIMUM OVERLAP ON ENDS OF

4

9

 

 

6 100% PHASE TEST AND ISOLATION TEST TO BE CARRIED OUT ON ALL WINDINGS.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SCREENS TO BE LESS THAN 1mm

5

8

 

 

 

 

 

 

 

 

 

 

 

 

 

TO MINIMISE CAPACITIVE COUPLING

 

 

 

 

 

 

 

 

 

 

 

 

 

WHICH WOULD PRODUCE SHORTED

6

7

DRAWING TITLE

DV78 450uH FLYBACK TX

 

 

 

 

 

 

 

 

TURN FOR HIGH FREQUENCY CURRENTS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

03_E290

SLS

06-10-03

'VIEW FROM SIDE OF PART SHOWING PIN LENGTH DIMS' added.

1.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3 SOLDER JOINTS TO BE MADE HALF WAY

 

 

 

￿￿￿￿￿

 

Filename: L925TX_1.1.Sch

 

 

02_E195

KAL

02-07-03

Production Release

 

 

1.0

ALONG LENGTH OF FOIL FOR REDUCED LOSSES

 

 

 

Notes:

 

 

02_E086

KAL

21-03-03

Changed Pri1,2 and Sec1,2 turns, Lpri & gap, Added outer screen

B.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A & R Cambridge Ltd.

 

 

 

 

02_E336

KAL

20-11-02

Prototype Release

 

 

A.0

 

 

 

 

Pembroke Avenue

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ECO No.

INITIALS

DATE

DESCRIPTION OF CHANGE

 

 

ISSUE

 

 

 

 

Waterbeach

 

 

 

 

 

 

 

 

 

 

 

Cambridge CB5 9PB

 

Contact Engineer: Kevin Lamb

Contact Tel:

(01223) 203200

Printed:

8-Oct-2003

Sheet 1 of 1

DRAWING NO.

L925TX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Page 43 Page 45
Image 44
Page 43 Page 45
Contents Service Manual DV29 Power supply board Non-switching Switch modePower supply main board OverviewPlease see above for power supply information Display BoardMain Board electronics Zoran Vaddis Atapi interfaceDisplay Board interface Digital AudioDigital Video ClocksGpio control signals from the Vaddis Single Name FunctionClocks and Spdif stage Clock BufferEnableav o 16/9 Left and Right channel D to a stagesVideo Encoder Scart OutputHdmi output stage Comms and Final video output stage DV78 Series PSU L959CTPage DV29 DVD player PSU board L959AY issue Drawing Title DV29 Main Board TOP Level Reset Boot SelectZoran Vaddis SdramL971C3 Drawing Title DV29 Main Clocks & SpdifClock Divider Muting LeftDrawing Title DV29 Main DAC L & R Audio L971C5 ALL Parts on this Sheet are not Fitted for DV75DV29 Main DAC LS & RS Audio DV29 Main DAC Centre & SUB L971C6RLY600B RLY600AAudio VideoScart Output ControlEMC can AUX PSU DV29 onlyVaddis +1.8V Regulator FIT for DV79/75DV29 Hdmi L971C11On SNAP-OFF PCB DV29 Comms & Video SNAP-OFFUN-MODULATED RC5 L971C9Drawing Title DV29 Video Encoder L971C7Page 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 IR/LED SNAP-OFF Board NAVVFD Drawing Title DV29 Display BoardPage DV29 DVD player Display board L972AY issue Arcam Sheet 1 Filename L925TX1.1.SchWaterbeach Cambridge CB5 9PB Waterbeach Cambridge CB5 9QR Filename L931TX1.1.schPembroke Avenue #$%&*+,*-%*+.%/*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.
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