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IBM L170 Service Manual
26
6.3 KeyPad Board
RP401
4.7K 1/16W
1
2
3
4
8
7
6
5
C434
NC
+2.5V
10/21
C410
0.01uF
GPIO2
P.3
R404
620 1/16W
GND
GND
VOL
LED_GRN
P.4
KEY RIGHT
CN403
CONN
1
2
3
4
5
6
7
8
9
LED_ORANGE
P.4
C414
0.01uF
U402
AIC1117-33CY
1
2
3
ADJ
VOUT
VIN
GRNLED
+
C412
150uF/25V
KEYON_OFF
C421
NC
R402
100 1/16W
KEYON_OFF
STDBY
GND
+
C417
47uF/16V
C403
0.01uF
FUNCTION1
P.3
C431
NC
MUTE
REDLED
GND
C420
NC
10/21
C433
NC
GPIO3
P.3
KEY_AUTO
+
C408
150uF/25V
VOL
R405
4.7K 1/16W
R415
1K 1/16W
R414
0 1/16W
MUTE
R406 10K
1/16W
TO-252
+3.3V
PBIAS P.4
GND
+5V
GPIO7
P.3
PWM0
P.4
10/21
GND
C432
NC
C418
0.1uF/16V
U106C
74LVC14A
5
6
14
7
C402
0.1uF/16V
GND
C419
NC
GPIO6
P.3
C429
NC
C407
0.1uF/16V
+5V
GND
SOT-223
10/21
R413 4.7K 1/16W
VOL
GRNLED
+5V
MAIN
C428
NC
STDBY
C430
NC
C435
NC
CONNECTOR for
KEYBOARD
gm5120
A
K.B AND CONNECTOR
AOC
B
5
6
Friday, October 25, 2002
Title
Size
Document Number
Rev
Date:
Sheet
of
KEY RIGHT
+T3.3V
CN402
CONN
1
2
3
4
5
6
+3.3V
C405
0.1uF/16V
MAIN
CONNECTOR for
POWER/INVERTER
Board
C413
0.1uF/16V
GND
R412 4.7K 1/16W
BackLight On/Off
STDBY
+
C406
150uF/25V
KEY ENTER
KEY LEFT
FB401
NC
+5V
+
C401
47uF/16V
KEY ENTER
C422
0.01uF
+3.3V
U401
RT9164-25CG
1
2
3
ADJ
VOUT
VIN
RP402
10K 1/16W
1 2 3 4
8 7 6 5
U106D
74LVC14A
9
8
14
7
KEY_AUTO
+
C404
150uF/25V
R403 10K
1/16W
GPIO8
P.3
R401
100 1/16W
PWM0
KEY LEFT
GND
REDLED
+
C416
22uF/16V
10/21
GND
MUTE
CN401
CONN
1
2
3
4
5
6
C409
0.1uF/16V
Brightness
Содержание ThinkVision L170
Страница 13: ...IBM L170 Service Manual 13 ...
Страница 14: ...IBM L170 Service Manual 14 5 Block Diagram 5 1 Monitor Exploded View ...
Страница 15: ...IBM L170 Service Manual 15 ...
Страница 20: ...IBM L170 Service Manual 20 Power Block Diagram ...
Страница 27: ...IBM L170 Service Manual 27 7 PCB Layout 7 1 Main Board ...
Страница 28: ...IBM L170 Service Manual 28 ...
Страница 29: ...IBM L170 Service Manual 29 7 2 Inverter Power Board ...