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Compact Disc Recorder CDR795/00/17
CDR796/00S
SERVICING
For servicing CDR79x the set has to be divided into two parts:
1. Except for the CD-R/W module all workshops can repair the set on component level.
The Switched Mode Power Supply unit will be exchanged completely in case of a failure.
2.The CD-R/W module can only be repaired on component level with the help of ComPair.
With this tool diagnosing of the set can be done in an interactive way. In this tool also the adjustment procedure has
been
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1-1 TECHNICAL SPECIFICATION General: Mains voltage : 220V-240V / 50-60Hz for /00 100V-240V /50-60Hz for /01 120V / 60Hz for /17 Power consumption : ≤ 20W ≤ 0,6W in stand by Input / Output: Analog in: input sensitivity : ≤250mVrms max. input voltage : 2,8Vrms input impedance : 47kW Analog out: output level : 2Vrms±2dB output impedance : 300W Digital in (acc. IEC958): input level : 0,5Vpp input impedance : 75W Digital out (acc. IEC958): output level : 0,5Vpp output impedance : 75W Headphone: outpu
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1-2 TECHNICAL SPECIFICATION Remote Control: RC5 commands RC283105 SYSTEM CODE RC KEY COMMAND CODE CD CDR y 20 26 12 Standby CD 20 20 63 TIMER REC 26 26 90 CDR 26 26 63 1 20 26 01 2 20 26 02 3 20 26 03 4 20 26 04 5 20 26 05 6 20 26 06 7 20 26 07 8 20 26 08 20 26 09 9 26 26 114 TRACK INCR. 20 26 00 0 PROGRAM 20 26 36 CD CDR ALBUM - 20 26 113 115 ALBUM + 20 26 112 2 20 26 53 PLAY Á
20 26 33 ª
20 26 32 9 20 26 54 STOP 5 20 26 50 6 20 26 52 ; 20 26 48 PAUSE DISPLAY 20 26 11 DIM 16 26 71 CD CDR CD T
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SWITCHED MODE POWER SUPPLY INTERFACE BOARD NTC CDR "MOZART" BOARD CD-R/W MODULE CD MODULE LIGHTGUIDE BOARD DISPLAY BOARD KEY BOARD 1-3 LOCATION OF PRINTED BOARDS Location of boards, CDR79x, 100102 picture 1 HEADPHONE BOARD
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2-1 WARNINGS & SAFETY © WARNING ESD WAARSCHUWING All ICs and many other semiconductors are susceptible to Alle IC´s en vele andere halfgeleiders zijn gevoelig voor electrostatic discharges (ESD). Careless handling during electrostatische ontladingen (ESD). repair can reduce life drastically. Onzorgvuldig behandelen tijdens reparatie kan de levensduur When repairing, make sure that you are connected with the drastisch doen vermindern. Zorg ervoor dat u tijdens reparatie same potential as the ma
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English L R 3-1 BRIEF OPERATING INSTRUCTIONS The following excerpt of the Owner´s Manual serves as a very short introduction to the set. The complete Owners Manual can be downloaded in several languages from the Internet site of Philips Customer Care Center: www.p4c.philips.com Controls 1627 3 4 5 ³
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) ( *&^% $#@!09 8 1 y STANDBY·ON % 9 switches the unit on/to standby CD recorder: stops playback/recording 2 / OPEN/CLOSE ^ ); opens/closes the CD player drawer CD recorder: starts/int
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3-2 BRIEF OPERATING INSTRUCTIONS - Remote control Connections Remote control keys 7 1
y switches the unit on/to standby 1
3
2
CD, CDR DIGITAL ANALOG selects the CD player deck or the CD recorder deck CD TIMER REC CDR 2
OPTICAL L 3
TIMER REC AC MAINS ~ SPACE ABC DEF 4
R starts a time restricted recording IN OUT IN OUT IN OUT 1 23 4
Number/alphabet keys GHI JKL MNO 1–0: keys in numbers for tracks 4 5 6 ABC – WXYZ: keys in letters for CD text PQRS TUV WXYZ SPACE: keys in a space for CD text
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3-3 BRIEF OPERATING INSTRUCTIONS
Installations Installations Analog connections How to connect if the analog output on the Direct digital optical connection Digital optical connections via a digital receiver These connections are required for playback and recording amplifier/receiver is already being used (occupied) This connection is required for direct recording from any If you have a receiver with digital optical in- and outputs, via an amplifier/receiver, equipped with analog in- and Mos
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4-1 DISMANTLING INSTRUCTIONS Dismantling the Top Cover • Remove 7 (9) screws as shown in picture 2. • Raise top cover at the rear and pull it backwards. remark: in some production batches the top cover may be fixed with 5 screws at the rear side. picture 2 Dismantling the Tray Covers To dismantle the ornamental cover, the tray has to be moved out first. This can either be done by activating the Open/Close-key or manually. In order to avoid unnecessary loading it is recommended to move the tray o
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4-2 DISMANTLING INSTRUCTIONS Dismantling the Tray Covers continued picture 7 • To release the cover from the catch on the tray, pull it frontwards on bottom side as shown in picture 7 and 8. • Pull the cover up. Dismantling the ornamental cover from the CDR-tray functions in the same manner. picture 8 Dismantling the Front Cabinet picture 9 • Remove top cover and ornamental covers from the trays first fi see description above and on page 4-1. • Move trays back to closed position. • Loosen 2 scre
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4-3 DISMANTLING INSTRUCTIONS Dismantling the Front Cabinet continued • Pull front cabinet forwards. As the lug fits very tight in the bottom it is recommended to make use of a screwdriver (see picture 11). • Place front cabinet as shown in picture 12. picture 10 picture 11 picture 12
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4-4 DISMANTLING INSTRUCTIONS Dismantling the CD module • Remove top cover and ornamental cover from the tray first fi see description on pages 4-1 and 4-2. • Loosen 2 screws at the rear side fi see picture 13. • Move the complete module backwards. • Pull the module on rear side up and turn it out. • Put the module to a proper service position. fi see also chapter SERVICE HINTS. picture 13 Mounting the CD module • For proper mounting it is necessary that the pins on the front side (see picture 14)
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4-5 DISMANTLING INSTRUCTIONS Dismantling the CDR module • Remove top cover and ornamental cover from the tray first fi see description on pages 4-1 and 4-2. • move tray back to closed position. • to dismantle the complete module: - loosen 3 screws to bottom cabinet (see picture 16 1) - disengage catches (see picture 17 2) - move module backwards 3 until catches to bottom cabinet become free and pull it up. picture 16 picture 17
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4-6 DISMANTLING INSTRUCTIONS Dismantling the CDR module continued • to dismantle the Loader module: - move tray completely out. - loosen 4 screws to frame as shown in picture 18. attention: flex wire to Mozart Board is too short for simple fetching the loader out. It is advised either to dismantle the complete module as described on page 4-5 and to move it a few centimetres back or to loosen ferrite core as shown in picture 18a. - put the module to a proper service position. fi see also chapter S
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4-7 DISMANTLING INSTRUCTIONS Dismantling the Power board • Remove top cover first fi see description on page 4-1. • Loosen 3 screws as indicated in picture 20. • Move the board backwards to release the mains socket. • Lift it on the rear and turn it out. picture 20 ! ! Attention: to fulfil safety requirements after repair it is absolutely necessary to fix the cables as in its original condition. See picture 21. picture 21
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4-8 DISMANTLING INSTRUCTIONS Dismantling the Interface Board • Remove top cover first fi see description on page 4-1. • Loosen 2 screws from the board and 4 screws from sockets at the rear plate. • Move the Interface board backwards to release the sockets and turn it out (if necessary disengage cable guide). • place the Interface board to a proper service position. fi see also chapter SERVICE HINTS. picture 22 picture 23
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5-1 SERVICE HINTS SERVICE TOOLS TORX T10 screwdriver with shaftlength 150mm ......................................4822 395 50423 TORX screwdriver set SBC 163 ..............................................................4822 295 50145 Audio signal disc SBC 429......................................................................4822 397 30184 Playability test disc SBC444 ...................................................................4822 397 30245 Test disc 5 (disc without errors) + Test di
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5-2 SERVICE HINTS General Service position For measurements on: Power Board Intrface Board For manual release of: CD tray CDR tray picture 24 Service position Front Board For dismantling instructions see chapter 4-1 to 4-3 picture 25
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5-3 SERVICE HINTS Service position CD Module picture 26 For dismantling instructions see chapter 4-4. picture 27 picture 28
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5-4 SERVICE HINTS Service position CDR Module For dismantling instructions see chapter 4-5. picture 29 Service position MOZART Board component side (Back-end) For dismantling instructions see chapter 4-6. picture 30 copper side picture 31
