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TUNER

►. ►. ►. ►. ►. ►. ►. ►. ►. GENERAL BLOCK DIAGRAM OF CHASSIS 11 AK 33. VIDEO PROCESSOR. RGB AMPLIPHIER. TUNER. TDA 8885 H. PLL. TDA 6108. CRT. (BOCMA). (channel/frequency). (PHILIPS). ( PHILIPS ). IR. COMB FILTER. VIDEO. TDA 9181. SWITCH. (PHILIPS). TEA 6425. (ST).

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TUNER

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

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

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

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

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

  7. +150V 300v TR101 22 3 B+PROTECT 20 DRAIN 21 5 +14V_A 18 9 -14V_A 17 14V VCC S+5V 8 15 +5V S+2,5V SMPS 14 5VDVD S+3,3V +22V 13 SYNCIN +300V 5 FEEDB_IN 1 GATE_DRV 7 VCC 8 IC107 MC33260 DEMAG MC44608 1 ISENCE 2 CONT_IN VCC 3 6 DRIVER 5 Q102 IC106 4 1 SFH617A 3 2 SMPS IC 100

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

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

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