Sony IGF-M50RDS - Section 3 Diagrams; IC Pin Function

SECTION 3
DIAGRAMS
3-1. IC PIN FUNCTION
@ IC 101 (SYSTEM CONTROL) vPD75308GF-R90-3B9
$12 10 $20
21 to 24 | COMO to COM3
BIAS
26 to 28 | VLCO to VLC2
29 to 32 | KSO to KS3
=
25
TIMER
(H : Alarm operation at radio, turn up the volume slightly when a traffic infomation is received)
[as [eermesr [0 [tstnirtcteyet
Tas [ws fe OCOC~—SSCSC“CSCSC“S*S*S~S~“S~S~SSS
[ar [wart [0 [Wi Wientiattopmaing Qos ——SSSCSCSC~“~*~*~*~*~*Y
Tap [ecm [0 | Recivingevelouputclck Wome)
[0 [otanx | 0 | Recivingievloupudan Wormed
Pa fve [hawt OSCSSSC“CSCOCSC*S
Te [ouwmos [1 [Rose SCSCSCS~SOSCSC‘S
[a [otamps [1 [eos SCSCSC~—~—SCSCS
[5 [sp | 1 | Satiosignl GsAtolesingsaionkese) SS
Fe
a
[—« [pre[o [pcm OOSCSC—C—CSCSCSCSCS
(fiat [0 [rtm OSCSC—SCSCSCSSCS
[50 [rowen | 0 | Poversupi ofnaio G@irowroy SSS
Psi [More | 0 [Mie imum SSCS
s2_[uatmx | 0 | Rescving evel oupuch Wome ——SSSSCSCSCSCSCS~*SY
| 53 [FM ss || | FM output (H: When FM receiving)
[se [vp — [romney oS)
Css [an —«df 7
Crystal oscillation (32.768kHz)
a
ee Ee |
[so [xed Ceramic oscillation (2.62MHz)
(co ermone | 1 | chanieswicting wich (eAvionatineseting Hino
PS-MODE fede | PS indication switching switch (L : Frequency/station name indication, H : Present time indication)
Fe
Pane ee el
iow LCD indication segment
62 to 67 | KROto KRS
69 to 80 | SOtoSII1