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AK41 FEATURES
AK41 GENERAL BLOCK DIAGRAM FOR ALL PARTS

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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

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