Sony CFS-B31 Service Manual

SECTION 5
DIAGRAMS
5-1. IC PINFUNCTIONS
¢ 1C901 yPD1724G LCD DRIVE/CONTROL
Pinnon | PinName [vo [SSCS
28 [iscson [2 [eer
ee nN
ria= [oom cos | 0 | LedConmonsntoupe —SC“‘“*S*S*~*~*S*S*~S~*
ce |
i an ca SE)
a
rauazer id
ee ee
ae |
OO CO
[7 fei OY Charen oupe—SSCSCSC~C~“‘“S*Ss*“‘“SCSCSCSCSCSCS~*SY
a
[a [ce SS™~dC Cd ieee SSC=“‘“S*S*S*SC“‘“S*SCSSCSCSCSCSCSCSCSCS*d
ie aE aN A
X’tal clock (75 kHz)
ee eres
| 32. | VREG Te Connect to capacitor (for X’tal voltage drive)
PAS hel
er Oe | ee
ac i
Connect to capacitor (for LCD voltage drive)
35 PAI rae
ne
PAO ade
37 — 39
40
4l
42 — 44
: i Manag =
PC3 | O | FM/AM (LW) band switch “H”=AM (LW) “L”=FM
pee
fc
__|—}
ee
[si=ss
[ucps-vopis
|
=
|
e Abbreviation
IT: Italian model
EE : East European model

Sony CFS-B31 Specifications

General

Brand	Sony
Model	CFS-B31
Category	Cassette Player
Language	English