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5P19E PR-74360 PR-74580 Sema



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KEYBOARD CIRCUIT R516
220




1
R515




2
15K
D504
M001 H501 Q506 BA158
RD5 RD6 RD7 RD8 RD9 R510
BF420
U101 1K5 820 0 RP1 3 2 1
GND Q504
3K3 1K8




BT +33V
22




BM +5V
VOL+ MENU MUTE
100 R




IFGND
SW004 SW005 SLEEP SW007 TV/AV C4544




AGC
G




SDA
SAS


SCL
38.9MHz




NC




NC




NC
SW006 SW008
CRT




IF
+5V B Q505
RD4 RD RD2 CR1 BL R511 R513 R512
BF421
R R517
10uF/16V




10


11
C103




1


2


3


4


5


6


7


8


9
R116 2K2 270 22 R514 2K7 KR
10nF 1
10K 2K2 3K3 5K6 RD11 LED001 270
+5V_VCC C502 R527 KG
VOL- PRO+ PRO- D503 470PF 2K7
L101 R106 R107 C115 SW003 SW002 SW001 100 LED 1N4148 KB
C111 C113 R103 10uH 1K 470




8


7


6


5
C112 10nF
C110 R113 R112 R111 C405 5.1K R120 R508
C109 C105 2K7
E
10uF NC 47K
100pF 100 100 100pF 47uF C101 IF C118 1K E




PTC


SCL


SDA
Vdd
220uF Q101
0.01u
C2717 10nF
ZD102 C117 ZD501 C508 R526
5V1 IC102 8V2




1
C106 100uF/16V 100nF C108 C107 R145 R130 R131 R132 82PF R525 220
SIF




2
24C08 15K




5