BEKO TELRA Schematic
COMPL. BLOCK DIAGRAM
HIGH VOLTAGE
220V AC
2
E ROM
PCF85C
81/82
KEYBOARD
R/C
HAND LIMIT
YOKE
HORIZONTAL OUT
FOCUS
UG2
HEATER
+170V
FU 4A
OSD OUT
R GBFB H V
SDA
TUNING SYSTEM
PCA84C640
SCL
OUTPUT STAGE
8
VIDEO
3 x BF393
+12V +170V
(NICOM)
INFRARED
PREAMP
FBT
+105V
SMPS
TEA2019
+12V
FROM
LM317
OSD OUT
HOR. OUT
BU808DFI
+19V
AUDIO
+17V
TELETEXT
SUPPLY
IDENT
AFT
B,B ,BU
AND TUNING
CONTROL
+5V
FROM
LM7805
R
G
B
+17V +12V
ECC2885CED
I III
ANTEN
TERMINAL
75 OHM IEC
VOLT. SYNT.
COLOUR DECODER
SSC+FB
+5V
REGULATOR
LM7805
ST/BY CONTROL
100R
FROM TUNING SYSTEM
+12V
REGULATOR
LM317
TUNER
+12V
(FAL)TDA8217
TRANSMITTER
SSC+FB
VERTICAL OUT
IF
38.9MHz
SECAM
TDA3392A
+5V
LUM
CHR
CHRLUM
F3
SAW FILTER
OFWG1962
F1044
SCF154
AGC CONTROL
LUMA
DELAY
390ns
CHROMA
FILTER
CVBS
H/V PROCESSOR
+ VERTICAL
OUTPUT STAGE
SSC
HV
TO TUNING NICOM
+12V
CVBS
A/V
SWITCHING
VOLTA GE
FROM
NICOM
TDA8215
AFT
PIF
TDA8341
+12V
TEA2014A
IDENT
TO NICOM
AND TXT
CVBS
VIDEO
SWITCH
BLOCK DIAGRAM
VOLUME CONTROL
+ AUDIO SWITCH
+SIF
TDA3827
A/V SWITCH
EXTERNAL
VID. IN
A/V
SWITCHING
IDENT
R
G
B
FB
CONNECTED
PARALLEL
WITH OSD OUT
+12V
390R
+17V
VOLTAGE
AUDIO
OUT
21 PIN
SCART CONNECTOR
VIDEO
IN
TELETEXT
BOARD
TDA1905
TO VIDEO
OUTPUT
STAGE
R GBFB
R/G/B
SWITCH
TEA5114A
R
G
SOUND
OUT
B
FB
+17V
+12V
SDA
SCL
R
G
B
FB
TO SSC
FROM
NICOM
LS.
8OHM
FROM
NICOM
C28
270p
28 26 27 23 22 21 20 14 19 18 17 16 15
IC03 LH51640-10L
8K8 STATIC RAM
22425345678910111213
40 39 38 37 36 35 34 33 32 31 30 22 23 24 25 26 27 28 29 21
12345 1067912118 131417151920
C14
680p
X01
C25 15p
C09 68n
C10 220p
6MHz
C13 47n
C12 47n
C11 18p
R04
330
IC01 SAA5231
27 456891
C241nC23
C08
100n
470p
C22
22n
C21
270p
R06
C20
100p
1k
IC02 SAA5243
C29
1µ/
63V
C16 10n
C49
27p
R05 1k
25182021192426313 15 14 17 28 22 16
11 12
X02
13.875
MHz
C19
15p
L03
15µH
C17
27p
C18
0.1µ
16V
23
T05
BC548
R03
56k
R60
22k
C26
100n
C15
100n
R
BC548
G
R59
T04
R58
10k
TO VER
CN04B
D12
G
FB
B
D11
4x1N4148
D13
D08
R40
470
R41
470
+5V
TO CN01
CN01
10
11
14
23SDA
SCL
8
7
6
5
+5V
VDD
28
26
25
23
IC04
19
PCF84C81
16
15
17
D40
1N4148
1
2
3
IC05
PCF8582
4
C07
100n
R47 470
R56 470
R46 470
R44 470
R42
1M
R43
22k
R48 56k
C42
1.8n
X03
9.8304
MHz
C43
4.7µ
16V
+5V
+5V
+12V
GND
R
CN05B
IC06
2
C06
100µ
16V
C04
100
R14 4.7k
R13 10k
R12 10k
R35 470
R36 470
R37 470
R18
+5V
31
C03
100
1k
C05
100µ
16V
T06
BC548
R15
3.9k
T08
BC548
R16
3.9k
T09
BC548
R17
3.9k
T10
BC548
P01
10k
C29
0.1µ
16V
R24
470
C34
100µ
16V
R23
3.3k
R25
1k
C31
10µ
16V
T07
BC548
From R58
via cable
+12V
LM7805
FB
B
22k
R11
R10
100
100
SCL
SDA
GND
GND
GND
VID
VER
FB
B
R
G
CN06B
TELRA TELETEXT
F200: OFWK 2950 in D/K set
*
OFWG 1962 in B/G set.
CN-200
VOL
TUN
12V
VOL
UHF
III
I
AV
GND
TO TTXT BOARD
VIA B/B SOCKET
GND
R466
R467
3×120
1N4148
1N4148
D451
100µ/16V
C202
1N4148
JUMPER CONNECTED ONLY
WITHOUT TELETEXT SET
SYNC
VID
FB
B
R
C458
100n
G
C459
100n
B
C460
100n
R468
FB
B
11
G
13
R
16
D455
1N4148
1N4148
D452
D453
820R
BGRFB
TO CN501
****
C221 & F203 connected only in B/G DK set
C231, L209, L205, F204 connected only in B/G DK set.
G³owica
Jumpers connected instead of L205 & L209 in B/G set.
2000KHC
ANT
U
TUN
III
AGC
I
AFC
12V
IF
10µ/16V
C201
D400
R222 1.2k
100µ/16V
C200
33
0µ/16V
C203
CN06B
G
R
1
IC450 TEA5114
4
6
8
R488
820R
R489
R450
820R
CN06A
TO R612
14
R
3
G
5
B
7
10
12
15
2
1k
D454
1N4148
R487
+12V
R481
6.8k
D456
1N4148
D457
1N4148
C463
100n
C462
100n
C461
100n
R469
15k
BC548B
C450
1n
R490
2.7k
C457
47µ
35V
T453
+12V
R465
R477
4.7k
T450
BC337
R482 68
R470
150
TELRA CHASSIS
L207
PIF+AFT COIL
C228
22n
C230
47n
100
T455
BC548B
R491
6.8k
+12V
12V
C219 68p
2 x A9001
C227
220n
C229
47n
C226
100µ
R218
10k
R216
10k
R471
18k
C452
100µ
16V
R492 1k
C456
R483
75
100µ
16V
R207
R206 1.5k
12k
L206
5
6
4
2
1
14
12
13
C453
100µ
16V
R211
33k
C218 68p
12V
3
10
IC202 TDA3827
9
18
11
17
15
16
R453
10k
R479
470
R472
18k
R452
10k
R480
R473
18k
R451
10k
R478
470
C252
10µ
C216
2.2n
R210
180R
C233
10n
8976 4 15 2 51
IC201 TDA8341
10 3 13 14 12 11 1 6
R213
39k
C225 10n
R484 820
T451
BC548B
R474
220
T454
BC548B
470
+12V
R485
820
T452
BC548B
R476
220
P200
10k
C222
10µ
R486
820
R475
C451
100µ
+12V
220
C455
100µ
16V
16V
C213
1µ
L208
C232
L209
*
C231
*
R217
220R
+12V
R464
100
C454
100µ
16V
R463
100
CN-101
DEGAUSS
R212
680R
6.5 SFE
*
F201
5.5 SFE
12V
R462
100
PTC100
PH9015
C215
1µ
F203
C103
C102
0.1µ/250V
C221
470p
*
C234
22p
L203
15µH
L205
15µH
1.5n
1kV
2X39µH
*
R214
0.1µF/250V
L100
2.2k
D100 ... D103
C101
C100
0.1µ/250V
!!
C206
10µ
4
C214
10n
C207
10n
5
FL204
6.8µH
R209
390R
F202
TPS 5.5
*
F204
TPS 6.5
C224
22p
4 x 1N4007
C104
1.5n
1kV
R100
1R2
4W
F100
4A
CN-100
12V
F200
*
OFWK
2950
2
12V
R221
470R
C257S
R101
270k
2W
C105
100µ
385V
C105
33n
F101
1A
R112
L200
10µH
1
C203
22n
T200
BF959
R204
3
100R
C210
T201
100n
BC548C
TEA2014A
1
3
10µ
WIRE TO L.T
CD
R102
1.5k
C107
47n
20
R103
10k
C110
100n
C111
1.8k
4.7n
R223
15R
C223
100µ
R200
51R
C205
100n
L201
1µH
C208
1n
C209
10n
R202
3.3k
R203
560R
R201
560R
2
6
IC250S
R104
C108
10n
8
7
5
1k
C253S 10µF
R251S 22R
C251S
47µ
R252S
10k
100k/2W
P100
1k
V
ADJ
R253S
R106
R105
C109
100p
75
2.2k
50V
7
SYNC6E+5Is
IC100 TEA2019
PLL9RT10Ct11GND12Ic
8
R113
47k
R114
100k
C112
820p
C211
100µ
C204
1n
12V
C114
220µ
25V
C113
100µ
35V
R108
10
3
+VCC2Vaux1Vo
SUB
ST.
13 14
C115
22µ/
10
R115
16V
IF
MODULE
IF
AGC
AFC
Vout
VIDEO
N.C.
Vin
Aout
AV
Ain
VOL
AUDIO
D104
1N4148
D105
1N4148
R109
22k
19
-VCC
R116 10R
D113
3V9
12V
BA159
C116
10µ
R107
47
R110
3R9
D106
STBY
C305
220n
R400
8.2µH
R257S
1k
13117
R111
100
1W
S2000AF
R117
0.68
5W
R305
6.8k
R402
47k
2
R307
22k
C258S 1µ
C254S
33n
1k
1k
R118
1k
5W
T100
C313
100µ
25V
R300
22k
T300
BC558
C220
220n
C250S
TR100
1
C306
220n
C307
2.2µ
6V
R254S
100
2468101214161820
13 7
R255S
1µ
75
D250S
1N4148
D109
BY299
4
D110
16
BY299
6
C119
470µ
14
R131
10
0.22R
FU
16
C121
470µ
25V
D107
BA159
18
C117
2.2n
1600V
BA159
D108
R119
470
4W
5
TDA1905
8
6
19V
R301
100k
C302
10µ
4
IC301
7
C308
10µ/16V
L102 150µH
Shock Coil
C118
100µ
250V
L101 56µH
Shock
Coil
D020
BA159
R129
8M2 1W
C127
2.2n
2
9-16
1
R50
68R
R306
2R2
1/2W
3
C128
1000µ
250V
IC107
LM7812
C310
100n
C315
1000µ
C311
47µ
1
R302
10k
11 15
CN250S
C120
470µ
2
3
R303
100
R123
15k/1W
M.O.
C122
100n
3
8OHM
R642
10k
1W
19V
HOP.
C314
470µ
R304
1
C312
220n
CN-300
BC548B
C632
10µ
1
R125
100/1W
M.O.
1
19
T600
IC101
LM317
C129
47µ
IC102
LM7805
+105V
2
2
CN05A
FOR PAL/SECAM SYSTEM
**
FOR PAL SYSTEM
*
FBAS
R704
1k
C702
100p
470ns
1 3
DELAY
P701
1k
L701
A8203
C701
180p
2-3
LDL700
R705
1k
C708
100n
24 23 22 21 16 20
100n
C709
L7XX
C7XX
C705
22n
R706
560
C710
L704 10µ
C712
12V
1µ
C713
1n
C711
33p
10µ
R708
2.2k
18
17
L705
22µH
15 14 4-19
** *
IC700 TDA3592A
1-13
23 5 6 7 8
D700
C715
100n
R702
1.5k
L700
21
1N4148
D503
R630
8.2k
C714
680p
C600
4.7µ
A8174
R629
10k
C704
100n
C716
100n
BAT85
C717
1µ
C603
100µ
C718
10µ
CT708
4-25p
C604
100n
X700
4.43MHz
<FROM
CN06A
SYNC>
R612
1.8k-2.7
C601
150p
P600
10k
R643
150
R605
3.9K
C602
100n
R611
560k
R601
18k
R600
100/1W
M.O.
C610
47n
8
IDT.2V-OSC
20 VID. IN
OSC
11
C607
3.3n
T601
3
R128
220
R126
3
+12V
C123
C125
100µ
100n
2k
5V
C126
C124
100n
100µ
BC548B
9
C719
10n
R710
390
L702
A8172
R637
6R2/7W
R613
C615
160n
IC600 TDA8215
PHS.
DET
12
R602
100k
C608
12n
R711
3.3k
P700
1k
1
CDL700
2
R623
8M2
1M
VCC1
R603
4.7k
R604
2.7k
C606
220p
1
15-16
C609
1µ
R614
27k
GND
5-6
C720
1n
R624
C611
8M2
22n
3
4
14
RC
C612
10
17
4.7k
H-FLYB
22n
C721
1n
R712
680
R615
19
SSC
OUT
13
C722
R606
6.8k
1n
VCC2
THE VALUES OF RESISTORS R644 & R645 ARE
DIFFERENT ACCORDING TO THE CRT TYPES
PAL
*
OUT
470
SAT
+5V
33V
4
R518
2.2k
**
R514
1k
CN-500
D601
1N4148
10
R617 220k
7
C614
4.7n
C615 10µ
P601
5k
R609
560
CHR
C511
120p
R626
8.2k
R616
2R2
C617
100n
C620
680p
R618
22k
1
2
3
LUM
R501
1.2k
L502
10µH
15
C505
220n
C506
22n
C507
C618
100n
2.2µ
R619
220k
C621
220n
P602
100
R640
18
ZTK33B
R130
10k
1W
R714
1211
3
C634
1k
J702
L703
A8172
+24V
D600
1N4002
H-IN
2.2n
R607
8.2k
18
9
VER
SUP
C633
10n
PAL/SECAM
R715
560
C515
10n
R707
1k
IDENT
VCR
BRT
CONT
AFC SW
+12V
GND
STBY
GND
C631
220n
C616
47µ
FFG
V-OUT
H-OUT
17
5
4
D111
16
3 VID
10
R506
R621
470
C622
1000µ
R620
1R5
R503
390
C513
22n
R513
1.5k
CHR OUT
CHR IN
COL
9
6.8k
C619
470µ
L602
58µH
LIN
COIL
THE VALUE OF CAPACITOR C625 IS
DIFFERENT ACCORDING TO THE CRT TYPES
P500
DL711
L500
10µH
8
64µs
11-15
L501
K2818
GND
R504
390
1k
C512
10n
DELAYED
IC500 TDA8217
R507
6.8k
+105V
C623
470n
250V
BRT
1
R644
**
R645
***
R508
6.8k
R632
3.9k
R631
1k/1W
CNT
C508
22µ
C509
22µ
CN-603
CN-602
BA159
D602
5
213
C504
180n
D501
1N4148
12
R646
68R
C624
2.2µ
250V
KILL
DET
C510
470µ
D606
5V6
V
14
H
C502
220n
R622
4R7/1W
13
VCC
7-20
R519
4.7M
R515
100R
R627
6.8k
T602
BU808
DFI
BRST.
DET
12
R625
47k
6
INPUT
C503
4.7n
SSC
4
OSC
C501
47n
D603
BA159
14
PHS
DET
16
R509
1k
R638
150R
1/2W
D604
BA159
C628
10µ/250V
C625
**
C626
470µ
50V
PLEASE LOOK AT THE TABLE FOR
THE VALUES OF THESE COMPONENTS
CT500
4-25p
X500
4.43MHz
6
7
8
CN501
B
G
R
GND
R510
220R
B
19
R511
18
G
220R
17R
R512
220R
12V
R505
R520
180k
12k
C500
3.3n
D502
1N4148
+105V
B
G
R
FB
CN-600
FROM RGB
CIRCUIT
GND
GND
AFC
SSC
H
170V
V
R628
10k
D605
5V6
CN-601
C629
0.47µ
250V
R636
4R7/1W
R633
1R/1W
FU.
C630
2.2µ/250V
10
2
4
R634
33k
TR600
C627
22n
100V
R639
0.22R
1/2W
R635
68k
7
6
3
1-5
FLA
GND
HV
FOCUS
UG2
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