Chassis 11 AK 33 TV Components

1.

5. TUNER PLL (channel/frequency) VIDEO PROCESSOR TDA 8885 H (BOCMA) ( PHILIPS ) RGB AMPLIPHIER TDA 6108 (PHILIPS) TV TEXT PRO SDA 555X (SIEMENS) COMB FILTER TDA 9181 (PHILIPS) IR KEY PAD VERTICAL AMPLIFIER STV 9379FA (ST) E/W CORRECTION HORIZONTAL OUTPUT BU 2508 FBT FRONT AV IN BACK AV IN/OUT SCART 1 ------------------------------ SCART 2 FRONTSVHS ------------------------------- BACK SVHS SMPS MC 44608 (MOTOROLA) + ACTIVE PFC SOUND PROCESSOR DOLBY (MSP 3452 G) VIRTUAL DOLBY (MSP 3411G) G/S NICAM STEREO (MSP 3410 G) BTSC STEREO (MSP 3430G) DOLBY DIGITAL (MSP 4450G,DPL 4519G,MAS 3528E) MICRONAS CRT 8 ohm 12W 8 ohm 12W 150V DC +3.3V +3.3V (ST-BY) +8V +5V -14V(audio) +14V(audio) GENERAL BLOCK DIAGRAM OF CHASSIS 11 AK 33 AUDIO AMPLIFIER TDA 7265 for dolby ( ST ) VIDEO SWITCH TEA 6425 (ST) AUDIO SWITCH TEA 6420 (ST) +2.5V(ST-BY) +14V +22V REAL TIMER PCF8583 (PHILIPS) HEAD PHONE TDA1308 (PHILIPS) OPTIC/COAX IN MAIN AUDIO AMPLIFIER TDA 7265 ( ST ) 8 ohm 12W 8 ohm 12W

6. 51 BO TU200 IF2 VS IF1 VST SCL 7 9 8 10 3 5 4 6 2 1 11 AGC VT SDA 3 2 9 7 8 10 11 1 16 18 17 47 49 48 50 43 45 44 46 42 41 35 37 36 38 33 34 26 29 30 22 24 23 21 20 31 32 IF1 +5V SCL SDA +5V +33V IF2 TU200 VS TV TUNER IFIN1 IFIN2 EHTO AGCOUT SIFIN1_AUDEM SIFIN2_DECSDEM SIFAGC_SNDPLL QSSO_AUDEX_AMQ IFVO SCL SDA C3 CVBS20 CVBSINT VP1 SWO1 CVBS/Y3 CVBS/Y2 GO BLKIN RGBIN2 XTAL1 UO/BL3 VO/YI/GI UI/BI RI/VI REFO DECDIG RI BI2 GI BI RGBIN RI2 GI2 BCLIN RO 52 64 60 62 61 63 56 58 57 59 54 53 FBISO VDRA PH2LF PH1LF SWD2 GND2 EWD/AVL VRDB HOUT CVBS10 VP2 XTAL2 +8V B+PROTECT EHTOVER PROTECT. +5V QSSOUT +8V TUNER CVBS CVBS_INT SCL2 SDA2 TO_BOCMA_20 SVHS_Y SWO1 +8V +8V CVBS_INT +8V CVBS_INT TUNER_CVB +8V CVBS2 TO_BOCMA29 U_PROT PL208 4 5 3 2 1 EHTINFO EHT_OVERVP +8V OSD_R OSD_G OSD_B OSD_FBL SCI_IN_R SCI_IN_G SCI_IN_B SCI_IN_FBL RGB_F FBL_PIP_OUT R_PIP_OUT G_PIP_OUT B_PIP_OUT REF_OUT +8V CVS1 +8V EW Hdriveout +8V SAND HFLYBACK BOCMASS RGB_F VRT- VRT+ Z201 Z200 TDA8885 IF-VIDEO/1 B G R SWO1

7. SC2_L_IN SC2_R_IN SC1_R_IN SC1_L_IN AV2_STATUS SC1_R_OUT SC1_L_OUT SC1_IN_B AV1_S SC1_IN_G SC1_IN_R SC1_IN_FLB 1 3 2 6 8 20 2 1 3 6 7 8 11 15 16 19 SC2_R_OUT SC2_L_OUT SC2_V_IN SC2_V_OUT 19 SC1_V_OUT SC1_V_IN PL207 4 5 3 2 1 6 10 11 9 8 7 12 13 4 5 3 2 1 6 10 11 9 8 7 PL210 PL209 +8V T_SHIFT SCL2 SDA2 +33V +5V VEST_G_IN SAND VEST_R_IN VEST_FLB_IN FBL_PIP_OUT VEST_B_IN R_PIP_OUT G_PIP_OUT B_PIP_OUT TO_PIP 4 5 3 2 1 6 10 9 8 7 DVD_12V_SENSE VEST_G_IN VEST_R_IN VEST_B_IN VESTBUS_VBS-OUT VEST_FBL_IN PL202 3 2 9 7 8 10 1 6 5 4 18 19 12 14 13 11 20 15 16 17 INPUT DATA INPUT2 CLOCK INPUT3 INPUT4 PROG INPUT5 VCC INPUT6 INPUT8 GND2 OUTPUT6 OUTPUT5 OUTPUT4 OUTPUT3 OUTPUT2 OUTPUT1 GND1 INPUT7 TEA6415C IC201 CVBS_INT SDA2 SC1_V_IN SCL2 SC2_V_IN BACK_V_IN +8V +8V VESTELBUS_ CVBS_OUT FRONT_V_IN CVBS2 COMO_Y TO_BOCMA_29 +8V BACK_V_OUT +8V +8V +8V SC2_V_OUT VESTELBUS CVBS_IN TO_PIP INPUTSELL +5V +8V 20 SAND PAL/SECAM IF-VIDEO/2 3 2 7 8 1 6 5 4 12 14 13 11 15 16 C_IN IN_PSEL Y/CUPS_2 VDD VCC SC FSCSEL DGND COUT OUTSEL Y/CUPS_OUT AGND Y/CUPS_1 SYS1 SYS2 FSC IC203 SVHS_C COMO_Y 10 9 TO_BOCMA_20 SVHS_Y SVHS_Y COM_SEL1 COM_SEL0 REF_OUT combfilter S263 TDA9181 15 SVHS-C 1 2 FRONT-V-IN PL200 1 2 3 PL211 FRONT SVHS Y C

8. 53 47 50 52 43 44 46 40 37 36 33 34 SC2_IN_R SCI_IN_R SCI_IN_L AVSUB ANA_IN1+ XTAL_IN XTAL_OUT SCI_OUT_R SC2_IN_L SCI_OUT_L CADL_M SC4_IN_L SC4_IN_R SC3_IN_L SC2_OUT_L SC2_OUT_R IC700 10 7 31 29 30 32 4 28 26 25 57 58 62 63 OCTR_OUTPUT1 SPBYQ I2C_DA DACA_R DACA_L DACM_R DACM_L NC7 DACM_SUB NCB MSP34XXG 49 SC3_IN_R 3 2 1 2 1 PL715 +5V SDA2 HP_R HP_L MAIN_R MAIN_L CENTER SUBWF SURR QSS_OUT +5 SC1_L_IN SC1_R_IN SC2_R_IN SC2_L_IN BACK/VEST_R BACK/VEST_L SC1_L_OUT SC1_R_OUT FRONT_R PL700 BACK_L_OUT LINE_out_L LINE_out_L BACK_R_OUT VEST_L_OUT VEST_R_OUT IF2 VS IF1 GND OUT2 7 9 8 10 3 5 4 6 2 1 11 VCCIN OUT1 MUTE IC701 TDA7265 IN1N IN1P VCCD VCC2N TN2N IN2P -14V_A 2 1 PL701 EXTSPEK_C1 +14V_A MUTE 2 1 PL702 MAIN_R MAIN_R EXPEK1_C1 EXPEK2_C1 IF2 VS IF1 GND OUT2 7 9 8 10 3 5 4 6 2 1 11 VCCIN OUT1 MUTE IC702 IN1N IN1P VCCD VCC2N TN2N IN2P SDA2 SURR CENTER -14V_A 4 5 3 2 1 6 PL703 SUBWF SUBWF_OUT SURR MUTE TDA7265 3 2 1 4 14 11 1A 1B 1Y 2A VCC 4Y 3B 3A 3Y 74HCT32 IC706 BACK/VEST_L BACK/VEST_L 10 9 +8V BACK_R_IN 8 BACK_L_IN BACK/VESST_L VEST_L_IN VEST_R_IN BACK/VEST_R BACK/VEST_R 6 7 8 5 3 2 1 VDD OUTB INB+ OUTA INA- INA+ IC704 +5V INB- TDA1308 HP_R 3 2 1 3 2 1 HEADPHONE PL705 HP_L PL709 I2C_BUS SCL2 +14V_A AUDIO 4 MICROSELECT BACK/VEST_R 5 6 2B 2Y 13 12 4A 4B Q712 Q713

9. 44 42 43 45 40 38 39 41 36 37 34 32 33 35 30 29 31 51 49 50 52 47 46 48 13 15 14 12 17 19 18 16 21 20 23 25 24 27 28 26 2 4 3 1 6 8 5 10 11 9 5 4 6 3 2 1 PL405 7 KEY_2 KEY_1 P+ P- COMSEL0 MUTE 7 VDD3.3V VDD3.3V CVBS1 AV1_STATUS AV2_STATUS SHORTCUT_PRT ODD/EVEN VDD3.3V SAND EPG-IRQ DVD_12_SENSE IDLE_OFF 2 1 PL503 3 IR_IN SDA1 SCL1 SCL2 SDA2 ST_BY WP OSD_R OSD_G OSD_B OSD_FBL PAL/SECAM TRQ DEGAUS MCRO_S_SELEK COM_SEL_1 INPUTSEL SERVICE SDA55555 IC500 2 3 4 1 7 6 5 VCC- NONINVIN1 OUT1 NONINVIN2 INVIN2 OUT2 IC503 INVIN1 LM358N 8 VCC+ -14V-A HRZ_TRPZ 2 1 +14V-A TILT ROTATIAN COIL SOCKET PL510 7 6 5 SDA SCL MODEWC IC502 8 VCC 24C08 S+3,3V SDA1 SCL1 WP CONTROLLER SAND +8V +8V V-BLANK Q513 Q514 Q515 R578 ST-BY-5V ST-BY-3.3V LED 1 LED 2 S 508 Q516 S+5V H=ST-BY L=NORMAL MODE

10. SMPS 3 8 5 18 2 2 14 13 2 1 15 17 300v DRAIN VCC 5VDVD + 22V +5V -14V_A +14V_A S+5V 14V S+3,3V S+2,5V +150V 8 7 5 SYNCIN GATE_DRV VCC FEEDB_IN 1 3 2 1 DEMAG ISENCE CONT_IN DRIVER 5 6 VCC +300V 3 1 2 4 SFH617A IC 100 IC107 MC33260 IC106 MC44608 20 9 SMPS B+PROTECT Q102 TR101

11. ODD/EVEN VERT+ FBT-DEFLECTION PL601 3 1 11 13 10 FOCUS1 FOCUS2 EHT_INFO +14V 5 8 6 4 9 ANODE DFIN G2 -14V HEATER 2 1 1 2 DAF_HORZ_A DAF_HORZ_B VERT_OUT1 VERT_OUT COLLECTOR +60V +33V EW +200V 4 5 3 2 1 6 PL600 HEATER BSVM FBT +150V TR601 AQUA 2 4 3 1 6 7 5 IC 600 INVERT_IN VCC FBKSUPPLY GND OUTSUPPLY OUT N__INVERT_IN D 613 +14V +60V -14V VERT - STV9379FA FEEDBACK PL602 Horizontal Flyback Hdriveout EW DAF-VERT DAF 4 3 5 6 7 2 1 +14V DAF-VERT DAF_HORZ_A DAF_HORZ_B 1 PL608 PL603

12. CRT BASE BOARD 2 4 3 1 6 8 7 5 9 IC 900 5 4 3 2 1 PL 902 1 PL 901 CRT B G R B_IN G_IN R_IN R_OUT G_ OUT B_ OUT IOM TDA6108 - RGB VIDEO AMPLIFIER GND I-BL 5 4 3 2 1 6 H-GND 1 PL906 AQUA HEATER 200V VDD 1 PL905 SCREEN