Sony ICF-2001D - Liquid Crystal Display Panel; Display Panel Segments and Commons

DRIVE PIN—29 30 54 53 51 48 47 46 45 42 41 28 40 38 DRIVE PIN-»29 30 52 49 48 46 45
DRIVE PIN» 28 33
OF I1C501
| ICF-2001 D/2010 _ ICF-2001D/201 o |
SEGMENTS AND COMMONS OF LIQUID — CRYSTAL DISPLAY PANEL
COMMONS AND SEGMENTS |» COMMONS AND SEGMENTS
DRIVE BY IC501 —| DRIVEN BY 1C502
HEREREEEE HLT Bs ia
LIL VT
aOR
Ng
er peseiseta ey
52 50 43 49 44 36 35 34 33 29 30
DRIVE PIN-+5:
OF 1C502
NOTE: DOUBLED PIN NUMBERS ARE CONNECTED Fig. 1
BY PRINTED CIRCUIT BOARD PATTERNS AS
SHOWN IN MOUNTING DIAGRAM.
——: SEGMENT GROUPS DRIVEN BY IC501 AND IC502.
——: COMMON GROUPS DRIVEN BY IC501 AND IC502.
8-BIT INPUT GROUPING
KEY-INPUT SWITCHES ARE DIVIDED INTO 9(NINE) GROUPS AS SHOWN IN FIG’. 2 BELOW TO UTILIZE
8—BIT PRIORITY ENCODER IC503 AND AS OUTLINED FOR SOME VOLTAGES/WAVEFORM SAMPLES.
ALSO REFER TO LOWER-RIGHTHAND CORNER OF SCHEMATIC DIAGRAM.
WIDE NARROW SYNC USB LSB/CW
es fs ara f se
MEMORY PRESET
4 5
Co 6 & &4
I 2 rg 8
3 6
a EES). Eo Ei to) eo
(SES Ee) Gad... Co, Coie
cleshO SS) (Eo) Ea) Ca a
dO) (Ct: G2) ES a) 0). Coe
EXECUTE
Fig. 2