Akai LCT2660 User manual

Catalogue
1. FRONT & BACK VIEW………………………….. p1
2. FUNCTION BOARD POSITION…………………..p2
3. SPEAKER & KEY- BOARD………………………..p3
4. I/R- RECEIVER & TUNER- BOARD……………...p4
5. AUDIO –BOARD & A/D- BOARD........………….. p5
6. I/O PORT OF A/D BOARD…………………………p6
7. POWER BOARD……………………………………p7
8. WIRES……………………………………………….p8
9.ASSEMBLY/DISASSEMBLY INSTRUCTION OF
THEBBOARD…………………………………………….p9
10 TROUBLE SHOOTING LIST………………………p13
11. BLOCK DIAGRAM…………………….…….…….p15

Front view
Back view
1

2
FUNCTION BOARD POSITION
12 4
37
6
5
ʳ
˄Ηໞ؂(SPEAKER)ʳ
˅Η᝶ሽሁࣨʳ (KEY BOARD)ʳ
ˆΗદ؆ᒵ൷گሽሁࣨ(I/R RECEIVER BOARD)ʳ
ˇΗ࠰ᓳᕴሽሁࣨ(TUNER BOARD)ʳ
ˈΗଃயሽሁࣨ(AUDIO BOARD)ʳ
ˉΗᣊֺᑇۯሽሁࣨ(A/D BOARD)ʳ
ˊΗሽᄭሽሁࣨ(POWER BOARD)
ʳ

SPEAKER
KEY- BOARD
3

I/R- RECEIVER
TUNER- BOARD
4

AUDIO -BOARD
A/D- BOARD (ANALOG/DIGITAL BOARD)
5

I/O PORT OF A/D BOARD
2
12 11 10 98
7
6
5
4
3
1
1ΗP/A WIRE CONNECTER 7ΗSCART INPUT
8ΗT/A WIRE CONNECTER
9ΗA/A WIRE CONNECTER
10ΗDVI INPUT
11ΗD-SUB(VGA) INPUT
12ΗPC AUDIO INPUT
2ΗK/A WIRE CONNECTER
3ΗA/P WIRE CONNECTER
4ΗAV I N P U T
5ΗS-VIDEO INPUT
6. Y/Pb/Pr &Y/Cb/Cr INPUT
6

POWER BOARD
24V-OUTPUT
12V-OUTPUTAC-INPUT
7

WIRES
ˊʳ
ˉʳ
ˈʳ
ˇʳ
ˆʳ
˅ʳ
˄ʳ
1ΗPOWER JACK
2ΗK/A WIRE : (KEY BOARD ÙA/D BOARD)
3ΗA/A WIRE : (AUDIO BOARD ÙA/D BOARD)
4ΗT/A WIRE : (TUNER BOARD ÙA/D BOARD)
5ΗP/A WIRE : (PANEL ÙA/D BOARD)
6ΗA/P WIRE : (A/D BOARD ÙPOWER BOARD)
7ΗI/P WIRE : (INVERTER BOARD ÙPOWER BOARD)
ʳ
8

POWER BOARD Assembly/Disassembly Instruction
STEP 1Κ
1ΕTurn off the main power switch on the back
of the set and unplug the power cord from
the outlet.
2ΕRemove the 18pcs of screws (M4*10) on
the edge of the back cover.
3Ε ˥˸˸ʳ˻˸ʳ˜˂ˢʳʳ˶˸ʳ˴˷ʳremove the
2pcs of the screws (M4*8)
4ΕLift up the back cover but without
removing it. Unplug the power connector
lines for the Power Jack. Upon detach their
connector lines and remove the back cover.
9
STEP 2Κ
1ΕUnplug the AC -in power connector
lines for the Power Jack (3PIN).
2ΕUnplug the two power connector lines
for the DC 12V OUT A/P wire connector
(10PIN) & DC 24V OUT I/P wire
connector (10PIN).
3ΕChange the power board, and remove
the 4pcs of screws (M2.5*4)