Philips-LX-8300-SA-Service-Manual(1) 电路图 维修手册.pdf

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1、CLASS 1 LASER PRODUCT Service Manual Service ServiceService ServiceService LX8300SA/01/04/05 TABLE OF CONTENTS Page Location of pc boards fr Reparaturen sind Original-Ersatzteile zu verwenden. Sicherheitsbauteile sind durch das Symbol ! markiert. I Le norme di sicurezza esigono che lapparecchio veng

2、a rimesso nelle condizioni originali e che siano utilizzati i pezzi di ricambio identici a quelli specificati. Componenty di sicurezza sono marcati con ! GB After servicing and before returning set to customer perform a leakage current measurement test from all exposed metal parts to earth ground to

3、 assure no shock hazard exist. The leakage current must not exceed 0.5mA. 2-12-1 DISMANTLING INSTRUCTIONS Dismantling of the DVD Loader 1) The tray can be manually open by inserting a minus screw driver and push the lever in the direction as shown in Figure 1 to unlock the tray before sliding it out

4、. 2) Slide out the tray and remove the Cover Tray (pos 110) as shown in Figure 2. 3) Loosen 2 screws each to remove the Panel Cover Left (pos 231) and Panel Cover Right (pos 232). 1) Loosen 4 screws C (see Figure 3) to remove the Bracket Support Control (pos 130) and the Front Key Board (pos 1401).

5、Dismantling of the Front Key Board Figure 3 Figure 6 Figure 4 Figure 2Figure 1 2) Loosen 6 screws D (see Figure 4) to remove the Front Key Board (pos 1401) from the Bracket Support Control (pos 130). 1) Loosen 2 screws A (see Figure 5) to remove the Tuner Module (pos 1801). 2) Loosen 9 screws B (see

6、 Figure 5) and 2 scews H (see Figure 6) to remove the AV Board (pos 1501). Dismantling of the Tuner Module, AV Board, Front Board and SD6.3 ST AV2 Board 3) Loosen 2 screws E (see Figure 6) to remove the Front Board (pos 1201). 4) Loosen 2 screws F (see Figure 6) to remove the SD6.3 ST AV2 Board (160

7、1). Figure 5 4) Loosen 3 screws to remove the Front Top (pos 240). - 1 screw each on the left & right side (pos 272) - 1 screw at the bottom (pos 268) 5) Loosen 4 screws G (see Figure 6) to remove the DVD Loader (pos 1602). 2-22-2 SERVICE POSITIONS SD6.3 ST AV2 BoardDVD LoaderThick Insulation SheetF

8、ront Key BoardThick Insulation SheetAV Board 3-1 Various other Tests Activated withACTIONTEST S S to Exit EEPROM FORMAT TEST Load default data. Display shows NEW. Caution! All presets from the customer will be lost! Disconnect mains cord LEAVE SERVICE TEST PROGRAM Volume Knob ROTARY ENCODER TEST Dis

9、play shows value for 2 seconds. Volume values increases or decreases in steps of 1 until 0 (VOL MIN) or 40 (VOL MAX) is reached. Y N Y N N BII Button pressed? BII Button pressed? DISPLAY TEST Display shows Figure 1 and switch SACD LED on Display shows Figure 2 and switch SACD LED off Y 9 Button pres

10、sed? Figure 1 Figure 2 To start service test program hold BII and buttons depressed while plugging in the mains cord Display shows SERVICE followed by ROM version S-Vxx-yy S refers to Service Mode V refers to Version xx refers to Software version number of BEA (counting up from 01 to 99) yy refers t

11、o Software version number of Front uP (counting up from 01 to 99) SERVICE TEST PROGRAM LX8300SA & LX8320SA & LX8500W_Service Test Program_dd wk0429 MAIN MENU Hold BII and buttons depressed till the Display shown S-Vxx-yy S S 3-2 Reprogramming of DVD version Matrix After repair, the customer setting

12、and region code may be lost. Reprogramming will put the set back in the state in which it has left the factory, ie. with the default setting and the allowed region code. ModelRegionRegion CodeTV Type LX8300SA/01Europe2PAL LX8300SA/05Europe2PAL LX8320SA/69AP3PAL LX8300SA/04Russia5PAL LX8320SA/93China

13、6PAL LX8500W/01Europe2PAL LX8500W/04Russia5PAL LX8500W/69AP3PAL LX8500W/93China6PAL To reprogram do as follows: 1) Power up the set and select DISC source. 2) Open tray by press OPEN/CLOSE button on the set or press and hold STOP button on the RC. 3) Press the following buttons on the Remote Control

14、: . for LX8300SA/01 . for LX8300SA/05 . for LX8320SA/69 . for LX8300SA/04 . for LX8320SA/93 .for LX8500W/01 .for LX8500W/04 .for LX8500W/69 .for LX8500W/93 4) The display shows YYYY-ZZ and the tray will close. YYYY= model number (eg. 8300, 8500, etc.) ZZ= slash stroke version (eg. 01, 69, etc.) Proc

15、edure for check Software version 1) Power up the set and select DISC source. 2) Open tray by press OPEN/CLOSE button on the set or press and hold STOP button on the RC. 3) Press DISPLAY button on the Remote control. 4) The TV screen will shows: SD6.3 Vxx YYYY-ZZ A BB SERVO: nnnnnnnn REG:A xx= versio

16、n number YYYY= model number (eg. 8300, 8500, etc.) ZZ= slash stroke version (eg. 01, 69, etc.) A= region code BB= Front uP software version number nnnnnnnn= servo version number Procedure to upgrade software 1) Power up the set and select DISC source. 2) Open tray by press OPEN/CLOSE button on the s

17、et or press and hold STOP button on the RC. 3) Place upgrade CD-ROM onto tray and close. 4) The set will response and display the following: - LOADAfter the disc is read, the tray will open for you to remove the disc - ERASEErasing disc - WRITEWriting disc - ERRORif upgrade is unsuccessful - UPG END

18、 if upgrade is successful - DISC-CLOSE-LOAD Tray will close indicating that the upgrade process is completed 5) The whole process should not take more than 5 minutes. Caution: Do not unplug the set until upgrade is completed. Trade Mode Trade mode is a feature that will block all set keys when enabl

19、ed. It is for dealers to prevent customers from removing disc, changing source etc using the set keys. Rotary and Remote Control (RC) keys are still allowed in Trade mode. To activate Trade Mode: 1) Power up the set and select DISC source. 2) Open tray by press OPEN/CLOSE button on the set or press

20、and hold STOP button on the RC. 3) Then press buttons on the RC. 4) The display shows TRA ON and the tray will close. Trade Mode is now enabled. To deactivate Trade Mode: 1) Power up the set and select DISC source. 2) Open tray by press and hold STOPbutton on the RC. 3) Then press buttons on the RC.

21、 4) The display shows TRA OFF and the tray will close. Trade Mode is now disabled. Procedure to change Tuner Grid (not for all versions) 1) By holding SOURCE and PREV buttons depressed while switching on the mains supply, the tuning grid frequency is toggled between 9kHz and 10kHz. 2) Hold the SOURC

22、E and PREV buttons depressed until the display shown the new tuning grid GRID 9 or GRID 10. Note: Repeating the same action will toggle back to its previous tuning grid setting. 88 888 CHIP SELECT I2C BUS TRANSCEIVER I/O PORT DATA LATCHES PWR RES OUTI/OIN SHIFT REG 8 VS OUT SCL POWER AMP L/R UCD OUT

23、 TUNER 74HC4052 D0 1 A 3 B 2 C 10K SO VDD SDA UCD 1n0 D1 D2 D3 SAA6581T RDS IC L7808 D7 GND SCL SDA CS0 CS1 CS2 (TM 08) POWER AMP D4 D5 IN GND M62320FP SURROUND 8MHz 45 UCD * GND UCD 10K D6 Block Diagram_LX8300SA & LX8320SA_dd wk0428 4-14-1 SET BLOCK DIAGRAM 5-15-1 SET WIRING DIAGRAM 15 29 3 13 14 1

24、5 16 21 22 23 24 25 26 27 28 7 10 1 1G P3 P2 1 1 GND_D 11 12 P5 P4 40kHz 3G GND 4G 8 P17 21 22 2 PCM_LsRs GND_D 9 P15 P14 key0 voIA voIB GND_D 1300 12 13 14 P1 GND V_FL P1 GND V_FL +12VL +8V GND_D PWR_ON 5G 6G 7G 8G 23 24 HP_Det GND_D P12 P11 P10 P9 2 3 RDS_CLK RDS_DAT GND_D 12 13 30 29 6 7 P16 PCM_

25、Cs GND_D P13 P8 P7 2G P6 P2 14 15 1100 11FE-BT-VK-N G_Y +1V8 VSDA 4G 5G +1V8 PCM_MCLK PCM_LRCK GND_D SPDIF_OUT ADC GND_D L2 11 To Tuner 11 5 6 6G P11 -33V 1 10 P3 13 RDS_Mux Rch Tu_CE GND_a Tu_DO_ST 10 26 11 2 3 2 1 1105 26 P13 11 Data for 18 19 2 09FMN-BTRK-A GND_D SPDIF_OUT GND_D 8 S0_L3_0 AV_Mute

26、 Tu_DO_ST 1 P12 6 1104 16FNM-STK-A 12 +9V1 SCL GND_D NC Lch 1511 16FNM-STK-A 1 3 4 4 3 S1_L3_1 8 9 +8V P4 3 5 6 17 TU_DI TU_DO_ST TU_CLK 19 Stdby VolA VolB GND_D GND_D GND_D GND_D PCM_MIC_IN 5 6 7 RDS_DAT GND_D GND_D GND_D 1 NC 4 SDA GND_D GND_D GND_D IR +5VL 10 GND_D Freq_Hop P14 P15 P16 4 GND_D L2

27、 MIC_DET 19 +12VL 1103 PWR_ON RDS_DAT 2 20 10 26 25 7 +5V6 +12VL GND_D TU_CE 2 20 21 GND_D GND_D SCL_DAC GND_D 14 15 16 +5VL HP_Det GND_D RDS_CLK ioIIC_Data_Wireless 9 SFW30R-2STE1 Tu_CLK GND_D 1401 +9V1 27 14 15 16 GND_D Tu_SD PCM_BCLK GND_D AMP_On Mute_TV_ PW_DN_ 8 1G 1201 SFW30R-2STE1 1 GND_D Y 2

28、 28 29 3 30 1302 SDA_DAC GND_D TU_SD 19 22 16 17 18 19 17 18 9 GND_D 1200 PCM_CLfe 3G GND GND_D GND_D Y GND_D R_Cr +5VL SACD_LED 21 22 23 24 1 10 11 12 13 40kHz 25 26 27 5 6 +5VDSTBY 4 16 17 18 5 6 7 20 GND_D NC 4 2 29 28 23 4 NC Tu_SD 2 3 1509 09FMN-BTRK-A 11FE-BT-VK-N11FE-BT-VK-N 26 27 3 0200 Tu_D

29、I CN1 5 6 7 8 10 11 12 13 GND_D 30 25 26 GND_D Tu_CE Lch Tu_DI 7 STDBY_LED 6 +8V 23 30 4 +1V8 +5VL 5 4 Stdby_ctrl B_Cb 9 GND_D 3 5 PCM_LsRs PCM_CLfe VSCK VSDA 1301 SFW30R-2STE1 25 7 1 30 To control 27 1 18 2G P7 1 5 GND_D 2 20 21 22 Rch 4 5 6 5 +5VL 24 Freq_Hop PCM_Cs GND_D IR 29 28 SPDIF_IN PCM_LR

30、SPDIF_GND 8 +8V 9 DAC 6 4 TU_CE RDS_DAT 15 3 key0 voIA voIB GND_D GND_a 9 8 7 1 10 11 12 16 2 3 4 GND_D SFW30R-2STE1 1107 NTC ioIIC_Data_Wireless TU_CLK GND_D 7G P6 3 4 5 16 23 24 TU_SD key1 key1 17 28 28 29 3 SFW30R-2STE1 13 14 15 +5VL P17 6 7 12 13 15 P8 9 FP_IRQ SPDIF_IN PCM_LR GND_D 1100 2 GND_D

31、 GND_D GND_D TU_DI R_Cr Tu_SD 8G EH VolB PCM_LRCK 2 4 5 GND_D 7 8 9 MIC_DET TU_DO_ST VolA 1 2 1 ERR VSCK 14 1 14 11 2 3 4 5 6 7 8 7 8 +5V6 GND_D P5 1102 GND_D C PCM_MCLK CVBS SDA SCL GND_D PCM_LRCLK +5V6_ECO Channel Switch GND_D P10 P9 21 C CVBS G_Y B_Cb 8 9 SCL_DAC SDA_DAC GND_D 20 S0_L3_0 AV_Mute

32、9 Dipmate +5VL PCM_LTRT GND_D 16 17 18 19 GND_D PCM_MIC_IN NTC 9 2 20 30 4 5 6 GND_D SFW30R-2STE1 1101 1507 1 10 FP_IRQ +12VL 27 Channel Switch PCM_LTRT PCM_SCLK 5 +5V6_ECO 6 GND_D 3 Tu_SD 10 4 5 11 +1V8 26 -33V ERR AMP_On Mute_TV PW_DN 7 8 GND_D ioRC6 8 9 22 25 Tu_CLK 1 3 8 9 24 S1_L3_1 Wiring Diag

33、ram_3139 119 38131_dd wk0428 1 4 +5VL SACD_LED 5 6 +5VDSTBY 2 3 STDBY_LED GND_D ioRC6 3139 241 00851 FFC FOIL 24P/180/24P AD 0.5MMP 3139 111 04311 CBLE PH 06P/100/06P PH 28ST BK 3139 110 27831 CBLE PH 05P/120/05P PH 260S BK PANEL FRONT BOARDS TABLE OF CONTENTS FTD Display Pin Connection . 6-1 Front

34、Board - Component & Chip Layout. 6-2 Front Board - Circuit Diagram . 6-3 IR/FTD/LED Board - Component & Chip Layout . 6-4 IR/FTD/LED Board - Circuit Diagram . 6-5 Front Key Board - Component & Chip Layout . 6-6 Front Key Board - Circuit Diagram . 6-7 Electrical parts list. 6-7 6-16-1 P1 P2 P3 P4 P5

35、P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 8G a k j h b f m p g c e n r - d - - 1G a k j h b f m p g c e n r - d - - 5G a k j h b f m p g c e n r d - - 4G a k j h b f m p g c e n r d - - 7G a k j h b f m p g c e n r d - 6G a k j h b f m p g c e n r d - 3G a k j h b f m p g c e n r d - 2G a k j h b

36、f m p g c e n r d - FTD DISPLAY PIN CONNECTION col3 Dp2 col1 Dp1 col2 ( 1G - 8G )( 1G - 8G ) p j a j d m k n g h r f e b c p j a j d m k n g h r f e b c 8G7G6G5G4G3G2G1G col3 Dp2col1 col2Dp1 8G7G6G5G4G3G2G1G col3 Dp2col1 col2Dp1 6-26-2 FRONT BOARD - COMPONENT LAYOUTFRONT BOARD - CHIP LAYOUT This ass

37、embly drawing shows a summary of all possible versions. For components used in a specific version see schematic diagram and respective parts list. 3139 113 3551 pt5 dd wk0428 This assembly drawing shows a summary of all possible versions. For components used in a specific version see schematic diagr

38、am and respective parts list. 3139 113 3551 pt5 dd wk0428 6-36-3 FRONT BOARD - CIRCUIT DIAGRAM V16 VDD sink o.drain V25 V26 V27 V28 -RESET TEST XTOUT XTIN -STOP -INT0 -INT1 drain P6-P9 source open drain source open drain 80k p.d. 80k pull down P04 P05 P06 P07 80k pull down 80k pull down80k pull down

39、 V4 V5 V6 V7 V8 V9 V10 V11 V12 V13 V14 V15 CPU VFT driver circuit (automatic display) 8-Bit A/D Converter 8-Bit Input/Output (tri-state) P0 V17 V18 V19 V20 V21 V22 V29 V30 V31 V32 V33 V34 V35 V36 VKK -SCK1 SI1 SO1 P03 PD VSS VAREF VASS XOUT XIN P5 TC2 -DV0 -SCKO AIN0 AIN1 AIN2 AIN3 AIN4 P1 (tri stat

40、e) 8-Bit Input/Output P4 sink o. 3-B. I/O P3 AIN5 AIN6 AIN7 AIN10 AIN11 AIN12 AIN13 V0 V1 V2 V3 TC4 Counter Program ROMRAM 8-Bit h. break. v. (tri-state) 8-Bit Input/Output SCA SCL INT4 INT2 TC1 V23 V24 output port with latchoutput port with latchout w. latchP8 out. port w. latchP9 8-Bit h. breakdow

41、n v. 8-Bit high breakdown voltage8-Bit high breakdown v. 5-Bit h. breakd. v. out w. latch ( tristate ) 8-Bit I/O P2 P7P6 4-Bit In/Output (tri-state) G H I 1100 B1 1101 C1 1102 D1 1103 G2 1107 A9 1120 B11 1121 B11 2100 E4 2101 E4 2102 D3 2103 D3 2104 H4 2105 G6 2106 H8 VSTB 12345678910111213 1234567

42、GND_MTK 8910111213 A B C D E F G H I A B C D E F VSCK 2107 H8 2108 H8 2109 I9 2110 I10 2111 I10 2112 E11 2113 E12 2114 G2 2115 G2 2116 G2 2117 C11 2118 C12 2119 F1 2120 H9 2121 G7 2122 H9 2123 B4 2124 B3 2125 B3 2126 C2 2127 H1 2128 H2 2129 E2 2130 F2 3100 D10 3101 C10 3102 C10 3103 C10 3104 C10 310

43、5 C10 3106 D10 3107 D9 3108 D8 3109 D8 3110 D8 3111 D8 3112 D8 3113 D7 VSDA 3114 D7 3115 D7 3116 E7 3117 E7 3118 E7 3119 E6 3120 E7 3121 E6 3122 E6 3123 F6 3124 F6 uP BOARD 3125 F11 3126 F11 3128 G8 3129 G9 3130 H10 3131 H10 3132 H10 3133 G10 3134 H9 3135 I10 3136 I10 3138 F12 3139 F12 3141 G6 3142

44、B11 3143 C12 3144 C12 3145 C12 3146 C13 3150 G4 3151 G4 3152 G4 3153 G3 3154 G4 3155 H4 3156 I4 3157 H3 3158 H3 3159 I8 3160 F11 3161 F11 3162 G10 4101 E2 4102 H4 4103 E2 5100 H11 5101 H9 5102 H8 6100 D2 6101 D2 6102 E3 6103 H11 6104 G6 FROM AV PCB 6110 D10 6111 D10 6112 D10 6113 D9 6114 D9 6115 D9

45、6116 C9 6117 C10 6118 C10 6119 C9 6120 C9 6121 D9 7101 I10 7102 B13 7103 D7 7104 I8 9131 F11 9132 I11 VOLA VOLB 10K 3150 100R 3157 1K03160 1K0 3124 1K0 3125 6113 BAS316 10K 3143 3162 1K0 3141 6111 BAS316 111213 7103 1 10 1K0 3119 3131 1K0 6110 3115 3145 7102 BC847B 3142 31261K0 7101 BC847B 1N4148 61

46、02 2101 100n 22R 3133 3159 10K 2112 100n 1K0 3107 1K03110 6120 6116 BAS316 47K 1K03100 3134 1K0 4102 100R 100R 4u7 2100 22p2122 2116 330p 2115 330p 2114 330p 1K0 3109 1K0 1K0 3108 72 73 74 75 76 77 78 79 8 80 9 5859 6 6061626364 65 66 67 68 69 7 70 71 43444546474849 5 5051525354555657 29 3 30 31 32

47、33 34 35 36 37 38 39 4 40 4142 141516171819 2 2021222324 25 26 27 28 BAS316 6121 212022p BAS316 2p2 2108 3 4 5 05FE-BT-VK-N 1100 1 2 FE-BT-VK-N 1 2 3 4 5 6 7 8 9 2u2 5100 1102 6119 BAS316 BAS316 2107 22p 2124 330p 2118 2129 330p 2128 330p 330p 1121 SIN-01T-1.8 1 2127 2110 10n 3136 100K 50V 47u 2121

48、5101 32K768 100R 3129 2125 1K0 3116 330p 22p 2106 47u 25V 330p 2123 4K7 3151 4103 3120 1K0 3121 1K0 1K0 3122 1K0 3123 25V47u 2102 BZX384-C4V7 6104 10K 3111 2104 22n 1K0 2K7 3138 31141K0 6115 BAS316 31284K7 2126 330p 3101 82K 100n 2103 4101 10K 47n 2105 3146 SIN-01T-1.8 1120 1 5102 2109 2111 470n 10n 3144 3132 22R 1K2 4K7 3152 100n 2117 1K0 3113 7104 BC847B 6117 6100 1N4148 BAS316 3102 82K 100R 3130 10K 3155 2113 100u 10V 1K0 3117 7 8 9 31121K0 20 21 22 23 24 25 26 27 28 29 3 30 4 5 6 1 10 11 12