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RX-34
System Module
The interconnection between the LCD module and the PWB engine is implemented with a 50-pin board-to-
board connector. Display is controlled via LCD controller using VISSI interface (video interface). The display
module does not require any tunings. Display backlights are powered with discrete SMSP.
HW keys
The device HW keys are located in flex, which is connected to the main PWB with a board-to-board connector.
The key matrix has three rows and five columns, which is connected to the TSC2303's integrated keyboard
block.
S4301
S4312
S4311
S4310
S4303
S4304
S4306
S4307
S4305
S4309
S4308
S4302
Indication LEDs
Blue LEDs, which are placed under 5-selection key, are used to indicate the status of the device mainly when
the display has been turned off.
Issue 2
Dome
Power
Vol
Full screen
Vol+
Up
Right
Left
Down
Select
Back
Menu
Home
Figure 60 UI flex layout
COMPANY CONFIDENTIAL
Copyright © 2007 Nokia. All rights reserved.
Measured between connector pi
1 - 10
4 – 8
3 - 8
2 – 8
3 – 7
4 – 6
2 - 6
3 – 5
3 – 6
2 – 5
4 – 5
4 – 7
Page 9 –9
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