Key - Samsung HT-C5200/EDC Service Manual

7-3 KEY

POWER
HT-BD3250 Touch Key
POWERON_LED
PCON2
POWER_TOUCH_1KEY
5P,SMD-A
PWR_ON
1
2
DGND
KEY 3
4
DGND
+5V 5
Samsung Electronics
KEYD20 KEYR27
? 820
SWC1
47nF
SWR1
10K
KEYD10 KEYR14
white 150
5V
WHITE
PGND
SWQ2
KSR1103
KEYD21 KEYR26
LED(OPEN) 820(OPEN)
KEYR13
0
SWC2
47nF
KEYR15
SWR2
10K
680
1/10W
red
PGND
RED
KEYD9
SWQ1
KSR2103
POWER
KEYIC2
SS501
KEYR11 KEYC4
0
0.002nF(OPEN)
1 OUTPUT Cr 6
GND
2 VDD 5 KEYR9
5V 2.2K
3 BIAS SENS 4
POWER
POWER KEY
if using SS502, KEYER10 is 470K , KEYC4 is O ohm
PGND
C2 must be N.C
VLED1
67-31AZSUBP-S2046-TR8
-2
3
4
-3
VOR1
VOC2
67-31AZSUBP-S2046-TR8
-2
3
4
-3
VOLUME PARTS
VOR3
VOC3
V5V
VCON2
5P,SMD-A
DS5V VOQ1
1
KSR1103
VGND
2
VOLUME_LED
3
4
VOULUME_UP
VOLUME_DOWN 5
VGND
VGND
VGND
This Document can not be used without Samsung's authorization.
TOUCH_KEY_PARTS
YEONHO 10019HR-15A00
5 PWR_ON
P5V
TOCN1
15P,ANG
4 PGND
PWR_ON 1 KEY
3
DGND 2
KEY 3 PGND
2
DGND
4
L5
+5V
+5V 5 1
KPD5
AB
+5V 6
150K
DGND 7 5P,SMD-A
L4 AB
PCN1
LED1 8
KPD4
L2 AB +5V
KEY_SCL
9 KEY_SCL 150K
AB
L3
KEY_SDA KEY_SDA
10
L1 AB
11 DS5V KPD3
+5V 5
150K
DGND 12
VOLUME_LED 13 VGND
4
KPD2
14 150K
VOULUME_UP
15
VOLUME_DOWN 3 VOLUME_LED
VOULUME_UP
2
GND
VOLUME_DOWN
1
+5V
5P,SMD-A
VCN1
P_GND
GND
GND
GND
V5V
V5V
-1
1 VLED2
67-31AZSUBP-S2046-TR8
-1
-2
3 1
VGND
+
VGND
2
+
2
4
-3
10K
VOR5 10K
10nF 10nF
VOC6
V5V
V5V
VLED4
VLED3
67-31AZSUBP-S2046-TR8
-2 -1
-1
3 1
1
+
+ 2
4
2 -3
10K VOQ2
KSR1103
VOR6
10K
10nF
VOC7 10nF
VGND
V5V
VOL1
EC05E1220401
A
1
B 2 C3
VGND
+5V
WHITE
KEYD16 KEYR39
? 1K
LED[7] PLAY
OPE/CLOSE
KEYD13 KEYR36
? 1K
LED[4] STOP
FF
KEYD12 KEYR35
? 1K
LED[3] REW
KEYD11 KEYR34
? 1K
LED[2]
FUNCTION
KEYD17 KEYR33
? 1K
OPE/CLOSE
LED[1]
KEYD8 KEYR32
? 1K
LED[0] FF
KEYD7 KEYR7
white 330
PLAY
LED[7]
LED[4]
16 P0.0/ADCH7/INT0/TVO/(PWM)/TS0 ADC6/P0.6 10
LED5 VOL_DOWN
17 VDD ADC6/P0.7 9
KEYR4
LED6 VOL_UP KEYD4 330
18 VSS CLO/ADC7/P2.6 8
LED[4] STOP
LED[3] LED[7]
19 P1.0/XTAL1 ADC8/P2.5 7 KEYR3
KEYD3 330
LED[2] LED[0] REW
LED[3]
P1.1/XTAL2 ADC9/P2.4
20 6
KEYR2
KEYD2 330
LED[2] FUNCTION
KEYR1
KEYD1
330
OPE/CLOSE
LED[1]
PLAY
KEYR0
KEYD0
330
FF
LED[0]
KPD6
150K
KPD7
150K
KPD8
150K
KPD1
150K
GND
Schematic Diagram
7-3