Nokia 7650 Service Manual 4 nhl2 ui
NHL-2NA Series Transceivers
User Interface
Issue 1 07/02 ¤Nokia Corporation
User Interface CCS Technical Documentation
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Page 2 ¤Nokia Corporation Issue 1 07/02
CCS Technical Documentation User Interface
Table of Contents
Page No
User Interface................................................................................................................. 4
UI Module features ......................................................................................................4
User Interface Module .................................................................................................6
I/O Terminals ...............................................................................................................7
Sub-modules of User Interface ....................................................................................8
Grip module............................................................................................................... 8
LCD module.............................................................................................................. 8
Display Functional Specification............................................................................ 12
Transceiver keyboard.............................................................................................. 12
Rocker key............................................................................................................... 12
Schematic Diagrams A3
Schematic Diagram A3- 1
Parts Placement1/2 A3- 2
Parts Placement2/2 A3- 3
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User Interface CCS Technical Documentation
User Interface
NHL-2NA user interface appearance is described below in fig.1. It comprises LG4 module
and assembly parts.
UI Module features
• 16-gray scale by PWM, 4096-color is available.
• Backlight unit is provided, so the display can be used in both reflective mode and
transmissive mode.
• Direct data display by display data RAM (normally-white LCD)
RAM bit data "1111" . . . OFF (minimum voltage) Red, green, blue
"0000" . . . ON (maximum voltage) Black (in the normal display mode)
• Partial display function
power saving by pausing display process on part of the screen.
• Built-in RAM capacity 4 x 648 x 240 = 622,080 bits.
•MPU interface.
Directly connectable to an 8-bit parallel MPU, both 80 and 68 series
• A host of command functions (area scrolling, automatic page & column incrementing, and power controlling functions).
• Embedded oscillating circuit.
• User interface keys are provided.
Table 1: Basic specifications
No. Item Specifications
1 Outline dimensions (UI module) 48.55 (W) x 79.44 (H) x 6.03 (D) mm (Excluding projec-
tions and FPC)
2 Weight 17.5 g (UI module)
3 Screen dimensions 34.86mm(W) x 41.18mm(H)
4 Display format 176 x RGB (W) x 208 (H)
5 Dot pitch size
6 Color dot layout Stripe
7 Contrast max direction 7 o’clock (Transmissive)
8 Polarizer direction 1.5 o’clock
9 Image reversal direction 4 o’clock
10 LCD mode R-TN, Normally white (Transflective type)
11 Polarizers Hard coated anti-reflective type
12 Polarizer hardness 2H
66
µm (W) x 198µm (H)
2 o’clock (Reflective)
Page 4 ¤Nokia Corporation Issue 1 07/02
CCS Technical Documentation User Interface
Figure 1: NHL-2NA user interface
Proximity sensor
Voice key
Left softkey
Apps key
Microphone
Shift key
Character input mode
Call creation key
Call termination key
SIM card
IrDa
Earpiece
IHF
Ambient light sensor
Power key
Display area
Right softkey
5-way joystick, “rocker”
(move up/down, arrow left/right,
selection key)
Clear key
Numeric keys
Issue 1 07/02 ¤Nokia Corporation Page 5
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