Service manual

4. DISASSEMBLY AND ASSEMBLY
4.16 Service Manual CNS-9701
The following picture shows the cables which must be connected to the corresponding
boards or assembly when you assemble the display unit. Refer to the cable list and
partial connection diagram as shown below.
5
4
4
5
2
4
4
30
5
A
B C
D D
A'
K
F
G
H
I
J
6 pins
16 pins
pins
pins
pins
pins
pins
pins
pins
pins
pins
2 pins each
3 pins
2 pins
10 pins
5 pins
LCD control board
Audio board
Touch screen
control board
To touch screen
From main unit
From main unit
From main unit
From main unit
From key switch
assembly
To LCD assembly
To speaker L
To speaker R
Ground terminal*
*Must be attached to the heat sink on the LCD control board
with the screw for the heat sink.
Index Signal Cable Board/assembl
y
to be connected
A
RS-232C Flat cable, 4 wires LCD control board
A'
RS-232C Flat cable, 10 wires Touch screen control board
B
Analog RGB Flat cable, 16 wires LCD control board
C
Supply voltages 4 wires LCD control board
D
Supply voltages and
sound signals
3 wires for power supply
4 wires for sound signals
Audio board
E
Supply voltages for inverter ? wires LCD assembly
F
Supply voltages for touch
screen control board
4 wires to 2 wires From LCD control board to touch
screen control board
G
Left audio signal 2 wires From audio board to speaker (left)
H
Right audio signal 2 wires From audio board to speaker (right)
I
Digital RGB 30 wires LCD control board
J
Key status signals 5 wires From key switch assembly to LCD
control board
K
Touch screen signals Flat cable, 5 wires Touch screen control board
AA’ BCDE