Circuit Diagram - Key Board - Philips LX3000D/21L Service Manual

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CIRCUIT DIAGRAM - KEY BOARD

-30V
5-2
2.8V
5V
4.9v
0v 4.9v
4.9v
0v
0v
4.9v 4.9v
4.9v
0v
3.5v
3.5v
2.6v
5V
5V
0v
5.1v
5v 0v
0v
5.1v
3.5v
4.9v
+5v
0v
4.9v
4.9v
4.9v
LED SCHEMATIC
5-2
C201 A1
C202 A1
C203 A1
C204 D5
C205 D5
C207 C1
C208 C2
C209 C2
C212 G2
C213 G2
C214 F6
C215 F6
C991 G4
C992 G3
C993 G3
C994 G3
CN203 G7
CN204 E6
CN205 F5
D201 D4
D202 D4
D203 D4
D985 F4
DP251 A4
IC251 B3
IC981 G4
LD201 F7
Q201 D2
5.1v
5.1v
Q202 D3
4.2v
Q203 D4
AC 1.3v
0v Q204 D5
AC 1.3v
Q983 F3
R201 B1
4.9v R202 B1
4.9v
R203 B1
4.9v
R204 C1
5.1v
0v R205 C1
0v
R206 C1
R213 A2
R214 A2
R215 D6
R216 D4
R223 D6
R224 D6
VOLUME
R225 E5
SCHEMATIC
R227 F4
R228 C2
R229 C2
R230 C2
R231 C2
R232 E2
R233 D2
R234 E3
R235 D3
R236 E4
It`s Free
R237 D4
R238 B1
R239 B1
R240 C2
R241 E6
R242 E6
R987 G3
R988 F3
R991 G4
R992 G4
R993 G4
R994
G4
R995 F4
R996
G3
R998 F2
R9001 F5
R9002
D5
R9003 D6
R9004
D5
RB201 E7
RB202 G7
RB204 F6
RB205 F6
SN201 D5
TA202 E2
TA204 D3
TA205 D2
TA206 D2
TA207 D3
TA208 E3
TA209 E3
TA210 G6
VR201 F7
XL981 G3
ZD201 C6