Funai AK41 free download

File name ak41 Circuit description.pdf

AK41 FEATURES AK41 GENERAL BLOCK DIAGRAM FOR ALL PARTS END SHOW FEATURES · Infra red remote controller · 100Hz flicker free · User friendly menu system · On-screen functional display · Frequency synthesis tuning · No ident timer · Comb filter · Sleep timer · 200 program storage locations · S-band (S1-S20) · Hyper band reception (S21-S41) · Digital-CTI · Digital noise reduction · Still picture · Zoom picture · Nicam + German stereo · Built-in 2 speakers · Volume controlled Headphone output, and headphone terminals (jacks) · 2 Left-Right speaker sockets (DIN) · Balance control · 5-Band equaliser · 2 x Euro AV plug (Scart) · 75 Ohm Aerial socket · Fastext and Toptext · Multipicture Optional Features: · Multi system reception (Pal BG, Pal DK, PAL I, Secam BG, Secam DK, Secam L/L', Secam K') · 16:9 screen aspect ratio · Live Picture-In-Picture (2 Tuners) · Pal I Nicam stereo · Secam-L Nicam stereo · S-VHS (via SCART or SVHS connector) · Real Flat (Dynamic Focus) · Front-AV IF STAGE(ON MAIN BOARD) TUNER (PLL) 2 IF TDA 4470 CVBS OUT QSS OUT MONO OUT L MODE_ SW SOUND BOARD AND AV SWITCHING BOARD SCART 1 SCART 2 Back_AV Front_AV SVHS HEADPHONE L TDA7265 TDA1308 R SVHS_C SVHS_Y SC2_R(Scart2_C) SVHS_Y C Back_V Back_A Front_V Front_A SR C SCL AGC CONT. PIP_RF AGC OUT AFC OUT ACTIVE SPLITTER C_SW 2 TUNER_R F S2 S1 MONO IN QSS SDA S1 IF S2 Center Suround MUTE 2 DPL3519 TEA6415C (Video Switching Matrix) ON/OFF MUTE/ST.BY LOGIC TDA7265 C MSP 34XX I2S L R MAIN_R R Text_CVBS PIP_CVBS RGB CVBS/Y SDA SCL C MAIN_L L Text_CVBS SCART1-AV-IN SCART2-AV-IN AGC CONTR. (PWM) PIP MODE SWITCH AFC ST.BY PIP SEL. IR LED & KEYBOARD V VGA , HVGA MODE_SW RESQ SDA WR WR RD RD MUTE SCL VVGA L/L' PIP_CVBS R,G,B,FB FEATURE BOX MODULE VGA Connector H-PROT FLYBACK R G B SVM HORIZONTAL 30KV 12V Horz. Yoke Lin. +130V Heater FOCUS SCREEN SC C 4 27W401 (EPROM) A0-A17 18 Vin4 Vin2 LUMA_VPC 8 CHROMA_VPC 8 LUMA 8 CHROMA 8 SDA SCL HORIZ. DRIVE D0-D7 8 SDA5550M (uCONTROLLER) SCL SDA VPC3215 SYNC/CT 3 LLC1 2 CIP3250 SDA9400 U / V (LUMA) 6 DDP3310B E/W DRIVE E/W -Vert.Sup -Vert.Sup EW VERT.+ 8 YUV(CHROMA) VERT.FREQ.SEL. SDA OSD (R,G,B,FB) 24W32 (E2PROM) SCL VS1 HS1 SYNC / CT LLC1/ LLC2 VS2 HS2 R G B FB LLC1/LLC2 HS2 VS2 2 SYNC / CT LLC1/LLC2 CRT BOARD CI 30KV TDA6111 Heater G2 FOCUS 2 RGB_OUT 3 TDA6111 TDA6111 SWM COIL SVM 4 EXTERNAL VDEO OSD (R,G,B,FB) 4 PIP MODULE PIP TUNER PIP_RF SDA SCL IF 2 V H RES# CVBS SDA 9488 VERTICAL STAGE INT RGB PIP_CVBS STV9379FA (VERT. OUT) 3 RGB_OUT ON/OFF Vert. Yoke IF TDA9885 VS2 SCL SDA I2C BUS ADRESSES Terresterial Tuner Active Splitter TEA6415 MSP 34XX DPL3519 VPC3215 CIP3250 SDA9400 DDP3310B PIP Tuner SDA9488 C0 C6 06 80 84 8E DC BC BA C4 D6 RGB_OUT DEGAUSNG LINE_IN HS2 SCART RGB LINE FILTER +145V +5V +8V +12V +5V_STBY VOLTAGE REG. TDA16846 END SHOW

File name ak41-2_power.pdf

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Safety Precautions ... 2 TV Set switched off ... 2 Measurements ... 2 PERI -TV SOCKET ... 2 SCART 1, SCART 2 ... 2 INTRODUCTION ... 2 SWITCH-MODE POWER SUPPLY (TDA 16846) ... 3 IF PART (TDA 4470/72) ... 3-4 TUNER ... 4-5 SAW FILTERS ... 5 DIGITAL TV SOUND PROCESSING (MSP 3410D) ... 5-6 DOLBY PRO LOGIC PROCESSOR IC (DPL 3519A) ... 6-7 HEADPHONE OUTPUT (TDA 1308) ... 7 VIDEO OUTPUT (TDA 7265) ... 7-8 VIDEO INPUT AND OUTPUT SOURCE SWITCHING (TEA 6415) ... 8 VIDEO OUTPUT AMPLIFIER STAGE (TDA 6111Q) ... 8-9 VERTICAL OUTPUT STAGE (TDA 9379FA) ... 9 TTEXT CONTROLLER (SDA 5550M) ... 9-10 SERIAL ACCESS 32K EEPROM (24L32-W) ... 10-11 EPROM (M27W401) ... 11 100Hz FEAT