Becker 755 - Page 21

Schaltungsplatte 753 E 4030
Wiring board 753 E 4030
Circuit 753 E 4030
DLEN!
DLEN2
DATEN
clock
DAOUT
EINTO.
AusTQ
BELKL
BELLE
DKLED
STRAE
MASUP
ANK75 MASUP- RESEQ
: Schaltungsplatte — LCD
8 | Wiring board — LCD
Circuit — LCD
C752 R 751
RATA ARAA ANAND
Schaltungsplatte 753 E 9090 — MASUP
Wiring board 753 E 9090 STRAE¢€
Circuit 753 E 9090 BELLE
Spannungswerte an Schaltungsplatte 753 E 4030 / LCD / 753 E 9090 (Antenneneingang offen) gemessen mit Oscilloscope HAMEG 103
Voltage values at wiring board 753 E 4030 / LCD / 753 E 9090 (antenna input open), measured with oscilloscope HAMEG 103
Valeurs de tension au circuit 753 E 4030 / LCD / 753 E 9090 (entrée d’antenne ouverte), mesuré avec oscilloscope HAMEG 103
Kurzzeichen: D.S. # Digitales Signal
n.b. = nicht belegt
(_) # Taste gedriickt
Abbreviations: D.S. + digital signal
not connected
+ button pressed
IC 751 j
1 [5vos|5 [5vDs.| 9/5vDs.|13 |5VDS.|17]5VDS.| 21 [5 VD-S.| 25 [5 V D.S.| 29 [5 V D.S.| 33 [5 VD.S.[37 |5V DS.
5V_|6 [5vbs.|10|/5vDS.|14 |5VDS.|18 [5 Vv D-s.| 22 [5 vD-s.| 26 [5 vD.s.| 30 [5 vD.S.[ 34 [5 Vv D.S.| 38 [5VDS.
5VDS.|35 (5VDS./39 |5VDS
[7 [svos.[11|[5vo0s.| 15 [5vos.[19 |5 Vv D.S.| 23 [5VD.S. ar sv DS! 31 S. 1S!
5VDS. [5 v 0.s.| 40 [sv 0s]
[ ov |s8 [5vos]|12|[5vo0s.[16 [5 vo.s.| 20 [5 vb.s.| 24 [5 v D.s.] 28 32
3
4
5VD.S.| 36
IC 752
(
réviations: D.S. i igital
1[5VDS. 5VDS.| 9|5VDS.|13|5VDS.| 17 [5VD.s.| 21 [5 vD.S.| 25 [5 Vv DS.| 29 [5 VD.S.| 33 [5 VD.S.|37 |5V DS. Abreviatio _ signal ea hen
5VDS.110[svbs.|14 |5VDS.| 18 [5 VDS.| 22 [5 vDS.| 26 [5VDs.| 30 |5VDS.|34 svos{3s 5VDS. (3 pas raccorde
5
6
[7 [svos.[ii [5vos.]15 [5 vos.[19 [5 vbs.[ 23 [5 vb.s.[ 27 [5v bs. 31 [5 vp.s.[35 [5 vbs.| 39 [5V DS.
8 [5vo0s.[12/5vpDs.[16 [5 vDs.| 20 [5 vbs.| 24 [5 vD.s.] 28 5VDs.| 32 [5 v DS./36 [5 vD.S.] 40 [SV Ds.
IC 755
1 4.6 V Ds. (UP) [4 [4.6 V D.S. (x) 5 |4,6 V D.S. (3 U) | 6 /4,6 V D.S. (Vol.A)|_ 8 ov |12 | n. b. 14 14,6 V DS. (6 U) 1| 80 mv
1 4,6 V D.S. (8 M)| 4 | 4,6 V D.S. (4 U) 5 14,6 V DS. (d) 7 (4,6 V D.S. (9 M) 9 |4.6 Vv D.S. | 13 |4.6 V DS. (A) 4,6 V D.S. (dn) 2/48V DS.
2 n.b. 4146V DSS. (P) 6 [4,6 VD. (OL) |7 46 V DS. (1 U) 10} 5VD-S./|13 |4,6 V DS. (5 U)| 15 | 4,6 V D.S. (7 K) 3 |4,8 V D.S.
3] 5VDS. 6 |4,6 V DS. (2 U) | 7 4.6 Vv DS. (Vol.v) | 11 Ov 14 |4.6VDS.(V)_ | 16 |5,1 V 4 51V
Bei Spannungsmessung an IC 431: Lautstarke max., H6hen/Tiefen — Mittelstellung.
Voltage measurement at IC 431: max. volume, mid-position treble/bass.
Mesure de voltage a I'lC 431: Volume max., aigus/graves — réglage moyen
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