19
Tyros4
[S03J]
CN2
LCD UPPER CASE
LCL
LCR
[S03K]
CN2
CN2
Fig. 16
D
[S03L]
D
LCD UPPER CASE
CRYSTAL DISPLAY
Fig. 17
22. LCL Circuit Board
(Time Required: About 7 minutes)
22-1 Separate the upper case unit and lower case unit.
(See procedure 1.)
22-2
Remove the LCD unit. (See procedure 20.)
22-3
Remove the LCD lower case assembly and gear.
(See procedure 21.)
22-4
Lift the stopper of the CN2 connector as shown in Fig. 16
and then remove the
fl
at cable and ferrite core. (Fig. 16)
22-5
Remove the five (5) screws marked [S03J]. The LCL
circuit board can then be removed. (Fig. 16)
23. LCR Circuit Board
(Time Required: About 7 minutes)
23-1 Separate the upper case unit and lower case unit.
(See procedure 1.)
23-2
Remove the LCD unit. (See procedure 20.)
23-3
Remove the LCD lower case assembly and gear.
(See procedure 21.)
23-4 Remove the four (4) screws marked [S03K]. The LCR
circuit board can then be removed. (Fig. 16)
24. Crystal Display
(Time Required: About 7 minutes)
24-1 Separate the upper case unit and lower case unit.
(See procedure 1.)
24-2
Remove the LCD unit. (See procedure 20.)
24-3
Remove the LCD lower case assembly and gear.
(See procedure 21.)
24-4 Lift
the
stopper of the connector at the portion [D] as
shown in Fig. 17 and then remove the flat cable and
ferrite core. (Fig. 17)
24-5
Remove the four (4) screws marked [S03L]. The crystal
display can then be removed. (Fig. 17)
When connecting to the connector, pay attention
not to insert the cable inversely.
25. Keyboard Assembly
(Time Required: About 9 minutes)
25-1
Separate the upper case unit and lower case unit.
(See procedure 1.)
*
Be sure to remove the DM cover.
25-2 Remove the eight (8) screws marked [S14B] and five
(5) screws marked [S05R]. The MK unit can then be
removed. (Fig. 18)
*
Be sure to loosen the cord holder marked [18] and
release the flat cable (PC sensor) from the cord
holder before lifting the keyboard. (Fig.18)
If the keyboard is lifted without releasing the flat
cable from the cord holder, the flat cable or the
sensor may be damaged.
Содержание Tyros4
Страница 41: ...41 Tyros4 2NA WT90140 Pattern side A A to DM CN951 to DM CN950 to MICVR CN301 B B Component side ...
Страница 44: ...44 Tyros4 D D 1 28 56 IC23 48P TSOP 29 DM Circuit Board 2NA WT75980 ...
Страница 46: ...46 Tyros4 DJACK Circuit Board to DM CN600 E E F F 2NA WT90150 ...
Страница 47: ...47 Tyros4 to DM CN3 to DM CN4 E E F F Pattern side Component side 2NA WT90150 ...
Страница 50: ...50 Tyros4 PNR Circuit Board H H to PNL CN4 to DM CN901 2NA WT90310 ...
Страница 51: ...51 Tyros4 Component side 2NA WT90310 H H ...
Страница 52: ...52 Tyros4 PNR Circuit Board I I 2NA WT90310 ...
Страница 53: ...53 Tyros4 Pattern side 2NA WT90310 I I to PNC CN2 ...
Страница 54: ...54 Tyros4 PNL Circuit Board J J 2NA WT90240 ...
Страница 55: ...55 Tyros4 Component side J J to PNR CN2 not installed 2NA WT90240 ...
Страница 56: ...56 Tyros4 PNL Circuit Board K K to CK CN91 to LCL CN152 2NA WT90240 ...
Страница 57: ...57 Tyros4 Pattern side 2NA WT90240 K K to WHEEL ASSEMBLY to PNLS CN202 ...
Страница 62: ...62 Tyros4 MK61L Circuit Board Component side N N N C N N O O O O to MKH D CN4 2NAKZ WD80020 3 ...
Страница 63: ...63 Tyros4 MK61L Circuit Board Pattern side P P 2NAKZ WD80020 3 P P Q Q Q Q ...
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