Service Manuals, User Guides, Schematic Diagrams or docs for : BEKO TV BEKO chassis TELRA BEKO chassis TELRA
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COMPL. BLOCK DIAGRAM
OSD OUT
IDENT BLOCK DIAGRAM
R G B FB H V
AFT IF AFT
SDA 38.9MHz VOLUME CONTROL
E 2 ROM TUNING SYSTEM TUNER SAW FILTER + AUDIO SWITCH SOUND
PCF85C PCA84C640 ECC2885CED OFWG1962 PIF +SIF OUT
SCL BI, BIII, BU
81/82 (NICOM) AND TUNING VOLT. SYNT. F1044 TDA8341 TDA3827
CONTROL SCF154
+12V TDA1905 LS.
KEYBOARD +12V +5V +12V +12V 8 OHM
8 AGC CONTROL 390R
FROM FROM ANTEN
LM317 LM7805 TERMINAL
CVBS
75 OHM IEC
R/C INFRARED +17V
HAND LIMIT PREAMP
A/V SWITCH
LUMA +12V VIDEO TO VIDEO
VOLTAGE
R LUM
VIDEO DELAY SWITCH OUTPUT
G COLOUR DECODER 390ns CVBS TEA2014A
STAGE
OUTPUT STAGE
B TDA8217 (FAL)
3 x BF393 R G B FB TO SSC
CHR CHROMA AUDIO
FILTER A/V OUT
+12V +170V SWITCHING R
VOLTAGE
NICOM
G
FROM
FROM R/G/B
OSD OUT NICOM SWITCH B
LUM CHR
TEA5114A FB
EXTERNAL
YOKE SECAM VID. IN
CVBS
TRANSMITTER
FB
G
R
B
TDA3392A
21 PIN
SSC + FB A/V
HORIZONTAL OUT HOR. OUT SCART CONNECTOR
H/V PROCESSOR SWITCHING
BU808DFI VERTICAL OUT + VERTICAL
HIGH VOLTAGE SSC OUTPUT STAGE
TDA8215
FOCUS SSC + FB VIDEO
UG2 FBT +5V F3 IDENT IN
+5V TO NICOM
HEATER REGULATOR
+170V H V AND TXT IDENT +17V
LM7805
R TELETEXT +12V
100R
220V AC ST/BY CONTROL TO TUNING NICOM G
NICOM
+105V
FROM
FU 4A +19V SDA
FROM TUNING SYSTEM B BOARD
SMPS FB SCL
AUDIO
TEA2019 CONNECTED
+17V +12V PARALLEL
TELETEXT REGULATOR WITH OSD OUT
SUPPLY +17V LM317 +12V
+12V
GND
FB
G
R
B
C28
270p
CN05B CN01
+12V
D12
+5V D11 4x1N4148
28 26 27 23 22 21 20 14 19 18 17 16 15 P01 R23
D13
D08
IC06 10k 3.3k
1 3
IC03 LH51640-10L LM7805
2 +5V
8K8 STATIC RAM R24 C07
C05 470 100n
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