Nokia Mobile Phones NSE-5 Series Service Manual page 81

PAMS
Technical Documentation
The figure below, shows the code marking for the light guide.
W W E
Y
UI Module Connection to main PCB
Pin Signal Symbol
1 Temp Sen-
sor
LDCDCX tsas
2 tsah
3 SPKR_p
LCDCSX tcss
4 tcsh
SCL
Issue 1 07/99
YWWE
ID code
Figure 22. Marking specification for the light guide
Table 17. Module interface
Parameter
Temperature at
LCD for compensa-
tion of contrast and
brightness. Refer-
ence to GND
Control/display
data flag input.
Speaker connec-
tion
Chip select input,
active low.
Serial clock input.
Factory code
Week
Year
Mini- Typical Maxi-
mum / Nomi- mum
nal
47
150
150
low
HIGH
150
150
0.7xVDD
0.2xVD
D
0 3.250
NSE–5
System Module
Unit / Notes
k NTC resis-
tor (@ 25 C).
ns/Setup time
ns/Hold time
Control data
Display data
ns
ns
V/HIGH
V/LOW
MHz/
VDD=2.7V
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