1 - 41
1.7.1
Switch board interface
52852-1290
52807-1210
Layout looking from back of panel
POWER
LED
RESET NEXT
ADJUST
CONTROL
EXIT
+
-
RIGHT
LEFT
1
3 4 5 6 7 8 9 10 11 12
2
J100
1
3 4 5 6 7 8 9 10 11 12
2
LED P G
LED P U
LEFT
EXIT
-
RIGHT
+
NEXT
POWER SW
GND
RESET
GND
SW board
J800
M3_3V
M3_3V
IC102
microcomputer
LED_P_G
LED_P_U
M3_3V
35
36
68
69
70
71
72
73
74
76
MAIN board
220
Ω
220
Ω
4.7k
Ω
4.7k
Ω
4.7k
Ω
4.7k
Ω
10k
Ω
x 8
Calculation of LED (CP264P480A10) drive current
Maximum rating : P
D
= 75mW, I
F
=30mA
Photoelectric characteristics: V
F
= 1.9V
LED drive current = (M3_3V-V
F
) / 220
Ω
(transistor's V
CE(sat)
is ignored)
= 6mA < 30mA
LED power = (M3_3V-V
F
) x 6mA
= 8.4mW < 75mW
µ
-COM Pin No.
68
69
70
71
72
73
74
76
35
36
I/O
I
I
I
I
I
I
I
I
O
O
Signal name
Remarks
Function
LEFT
EXIT
-
RIGHT
NEXT
+
SW_DET
RESET
LED_P_G
LED_P_U
PWB-SW
OSM menu selection : Normally 1, Lo when switch is pressed
OSM menu selection : Normally 1, Lo when switch is pressed
OSM menu selection : Normally 1, Lo when switch is pressed
OSM menu selection : Normally 1, Lo when switch is pressed
OSM menu selection : Normally 1, Lo when switch is pressed
OSM menu selection : Normally 1, Lo when switch is pressed
Front power switch monitoring : Normally 1, Lo when switch is pressed
OSM menu selection : Normally 1, Lo when switch is pressed
Hi (default value) : Off, Lo : green LED On
Hi (default value) : Off, Lo : orange LED On
List of control signals
Содержание LCD1550X-BK
Страница 82: ...3 TROUBLE SHOOTING Contents No Power No Picture Abnormal Picture or Ineffective Adjustment 1 2 3 Page 1 2 4 ...
Страница 88: ...SCHEMATIC DIAGRAM POWER LCD1550X Normal Power Save 1ch Pin 4 2ch Pin 1 3ch Pin 2 4ch Pin 5 ...
Страница 89: ...SCHEMATIC DIAGRAM PWB MAIN POWER LCD1550X ...
Страница 90: ...SCHEMATIC DIAGRAM PWB MAIN INPUT LCD1550X ...
Страница 91: ...SCHEMATIC DIAGRAM PWB MAIN SYNC LCD1550X ...
Страница 92: ...SCHEMATIC DIAGRAM PWB MAIN TMDS LCD1550X ...
Страница 96: ...SCHEMATIC DIAGRAM PWB MAIN ASIC LCD1550X ...
Страница 97: ...SCHEMATIC DIAGRAM INVERTER LCD1550X 1ch Q701 B 2ch Q702 B ...
Страница 98: ...SCHEMATIC DIAGRAM PWB SW LCD1550X ...
Страница 100: ...SCHEMATIC DIAGRAM POWER LCD1550X ...
Страница 101: ...SCHEMATIC DIAGRAM PWB MAIN POWER LCD1550X ...
Страница 102: ...SCHEMATIC DIAGRAM PWB MAIN INPUT LCD1550X ...
Страница 103: ...SCHEMATIC DIAGRAM PWB MAIN SYNC LCD1550X ...
Страница 104: ...SCHEMATIC DIAGRAM PWB MAIN TMDS LCD1550X ...
Страница 105: ...SCHEMATIC DIAGRAM PWB MAIN MC LCD1550X ...
Страница 106: ...SCHEMATIC DIAGRAM PWB MAIN ASIC LCD1550X ...
Страница 107: ...SCHEMATIC DIAGRAM INVERTER LCD1550X ...
Страница 108: ...SCHEMATIC DIAGRAM PWB SW LCD1550X ...
Страница 127: ... 16 Document No VSPF A028 Bave Average brightness of 1 to 9 10 50 90 90 10 50 5 1 2 3 6 9 8 7 4 ...
Страница 152: ...LCD1550X BROCHURE LiquidView SCALE NTS DIMENSION IN mm Fig 11A FRONT REAR FINAL CONDITION 420 297 ...
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