Philips FWD185/79 Service Manual Download Page 21 | Manualshive

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Summary of Contents for FWD185/79

Page 1: ...ublished 0842 by DB Service Audio Printed in The Netherlands Subject to modification DVD Mini HiFi System Version1 3 TABLE OF CONTENTS Page Location of PC Boards 1 5 Versions Variation Package 1 5 Specifications 1 6 Service news letter 1 1 1 4 Repair Instructions 2 Disassembly Instructions Service positions 3 Block Wiring Diagram 4 Control Board 5 Main Board 6 Power Board 7 Mechanical Exploded Vie...

Page 2: ...n the lens and how to measure if some important drive parameters like jitter laser current and offset values are still within the specification Background for this information are extensive analyses on replaced CD drives It has been found that a lot of replaced drives were not defective at all respectively were replaced for the wrong reason We are convinced that the procedures on the next pages wi...

Page 3: ...tern ok N Y check EYE Pattern replace CD Drive Laser current ok N Y check Laser current CD Drive offsets ok N Y check CD Drive offsets clean the lens check playability return set Customer complaint CD related problem return set return set replace CD Drive return set replace CD Drive return set replace Signal Processor return set fast lens cleaning 1 2 3 4 5 6 7 For flap loaders access to CD drive ...

Page 4: ...remain the customer is requested to contact the workshop directly The lens cleaning method 3 should be mentioned in the addendum sheet The final wording in national language as well as the printing is under responsibility of the Regional Service Organizations 3 FAST LENS CLEANING dry brush Use lens cleaning CD SBC AC300 9082 100 00043 Insert the lens cleaning CD press PLAY and follow the voice gui...

Page 5: ...D The offsets can be measured with a DC Millivoltmeter directly on the connector see drawing below Pin numbering varies from drive to drive The values from diode A D should read 0 10mV Diodes E and F are less critical If one of the offsets is higher than 10mV the CD drive has to be replaced Otherwise replace the Signal Processor Sanyo DA12T3 CD Drive A A F C B E C D E VCC B VREF F D 9 10 11 12 13 ...

Page 6: ...PCB USB PCB VERSION VARIATIONS Type Versions Features Board in used FWD185 Service policy MAIN BOARD TUNER BOARD CONTROL BOARD POWER BOARD USB BOARD TIPS C Component Lever Repair M Module Lever Repair Used 98 Feature diffrence C M 94 79 C C C C M C C C C M C C C ...

Page 7: ...m Video Decoding MPEG 2 MPEG 1 Divx 3 4 5 6 Ultra Video DAC 12 Bits Signal System PAL NTSC Video Format 4 3 16 9 Video S N 56 dB minimum Composite Video Output 1 0 Vp p 75 Ω S Video Output Y 1 0 Vp p 75 Ω C 0 286 Vp p 75 Ω Audio DAC 24 Bits 96 kHz Frequency Response 4 Hz 20 kHz 44 1kHz 4 Hz 44 kHz 48kHz MAIN UNIT Power Supply Rating 110 240 V 50 60HZ Switchable Power Consumption Active 50 W Standb...

Page 8: ...5 00 06 05 RISC 05 00 06 05 IF current model does not match you set use down arrow key on the remote to change 4 Password Change a press Setup buttom on R C TV show the preference page b select the menu using the and on R C c go preference page select password to change 000000 is default password supplied 5 Check on the Sofeware Version a open the CD Door b press display buttom on R C c TV will sh...

Page 9: ...2 2 2 2 REPAIR INSTRUSTRATOR ...

Page 10: ...lowly towards the front as shown in figure 3 until the DVD tray move out of the front cabint now the DVD tray is disengaged and can be pulled out completely 3 Remove the cover Tray as shown in figure 4 4 Loosen the 4 screw C as shown in figure 5 to remove DVD loader bracket 5 Loosen the 4 screws D at DVD loader as shown in figure 6 figure 6 D C Dismantling the Power Board 1 Loosen 4 screws D on th...

Page 11: ...gure 9 3 Loosen 1 screw H on the board as shown in figure 10 G H Dismantling the Contorl Board 1 Loosen 17 screws I on the Board as shown in figure 11 SERVICE POSITION service A service B Note After re assembly it is very important to ensure the wires are properly inserted into their respective sockets and routed not to touch or obstruct any moving parts I figure 11 ...

Page 12: ...4 1 4 1 BLOCK DIAGRAM ...

Page 13: ...4 2 4 2 WIRING DIAGRAM ...

Page 14: ...5 1 5 1 CONTROL BOARD TABLE OF CONTENTS FTD Display Pin Assignment 5 1 Circuit Diagram 5 2 PCB Layout Top Bottom View 5 3 FTD DISPLAY PIN ASSIGNMENT PIN CONNECTION ...

Page 15: ...5 2 5 2 CIRCUIT DIAGRAM 1 2 3 4 1 2 3 4 A B C A B C ...

Page 16: ...5 3 5 3 PCB LAYOUT TOP VIEW ...

Page 17: ...5 4 5 4 1 2 3 4 1 2 3 4 A B C A B C PCB LAYOUT BOTTOM VIEW ...

Page 18: ...BOARD TABLE OF CONTENTS Internal IC Diagram 6 1 Circuit Diagram 6 2 PCB Layout Top View 6 3 PCB Layout Bottom View 6 4 INTERNAL IC DIAGRAM MT1389 FXT Front panel Front panel Remote Remote INTERNAL IC DIAGRAM CO4558A ...

Page 19: ...6 2 6 2 Circuit Diagram 1 2 3 4 1 2 3 4 A B C A B C ...

Page 20: ...6 3 6 3 PCB Layout Top View 1 2 3 1 2 3 A B C D A B C D ...

Page 21: ...6 4 6 4 PCB Layout Bottom View 1 2 3 1 2 3 A B C D A B C D ...

Page 22: ...3 PCB Layout Bottom View 7 4 VCC GND REF OUTPUT FB COMP CS RT CT 7 5 8 6 4 2 1 3 R S Q Q ERROR AMP UVLO 34V 2 50V OSC VREF GOOD LOGIC OVER TEMP PROTECT INTERNAL BIAS S R 5V REP 2R R 1V CURRENT SENSE COMPARATOR PWM LATCH INTERNAL IC DIAGRAM AP3843 INTERNAL IC DIAGRAM AZ431 V REF REF CATHODE ANODE ...

Page 23: ...7 2 7 2 CIRCUIT DIAGRAM 1 2 3 4 1 2 3 4 A B C A B C ...

Page 24: ...7 3 7 3 PCB LAYOUT TOP VIEW 4 3 2 1 4 3 2 1 A B C A B C ...

Page 25: ...7 4 7 4 PCB LAYOUT BOTTOM VIEW 1 2 3 4 1 2 3 4 A B C A B C ...

Page 26: ...9 1 9 1 Mechanical Exploded View ...

Page 27: ...4315 CASS KEY PAUS BPK150039 1001 22 996510004309 MAX BUTTON BPK108114 0002 23 994000005299 POWER BUTTON BASE 25 996510004311 PROGRAM KEYS BPK118112 0002 26 996510004307 CONTROL KEYS BPK108112 0002 27 996510004308 PLAY BUTTON BPK108113 0002 28 996510019946 POWER BUTTON ABS 1x4 94HB 29 994000005297 RING POWER LENS 30 994000005298 POWER BUTTON BASE 31 996510017479 PANEL LEFT HIPSMOULD 32 99651000823...

Page 28: ...301 996500023599 RCA DIN JK 1RCA 4P DIN YEL JK302 994000000857 RCA JACK 3P R B G JK701 994000005202 RCA JACK 1 P JK702 994000000862 SPK JACK 4P RED WHT BLK BLK Q200 996510000615 XISTR NPN 2SC945P Q201 996500026939 XISTR PNP 2SA952 NEC PB 1000P Q202 996510004282 XISTR NPN SMT 2SC945 Q203 996510004282 XISTR NPN SMT 2SC945 Q204 996510000578 XISTR NPN KTC3875 Y Q205 996510000578 XISTR NPN KTC3875 Y Q2...

Page 29: ...RYSTAL 22 5792MHz 20ppm ZD100 994000005476 DIODE ZENER 5 6V 0 5W 5 MOT ZD100 996500019397 CHIP ZENER 5 6V 5 0 5W ZD101 994000005476 DIODE ZENER 5 6V 0 5W 5 MOT ZD101 996500019397 CHIP ZENER 5 6V 5 0 5W ZD200 996500021177 CHIP ZENR5 1V5 0 5W E1 SOD 123 ZD300 996500026931 CHIP ZENER 7 5V 0 05 0 5W F1 ZD301 996500026931 CHIP ZENER 7 5V 0 05 0 5W F1 ZD302 996500026931 CHIP ZENER 7 5V 0 05 0 5W F1 ZD30...

Page 30: ...4 TACT SWITCH TA201 996500038754 TACT SWITCH TA202 996500038754 TACT SWITCH TA203 996500038754 TACT SWITCH TA205 996500038754 TACT SWITCH TA206 996500038754 TACT SWITCH TA207 996500038754 TACT SWITCH TA209 996500038754 TACT SWITCH TA210 996500038754 TACT SWITCH TA211 996500038754 TACT SWITCH TA212 996500038754 TACT SWITCH TA213 996500038754 TACT SWITCH TA214 996500038754 TACT SWITCH TA500 99650003...

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