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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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