Schematic Diagram - Touch Key Section - Sony HCD-LF1 Service Manual

6-24. SCHEMATIC DIAGRAM — TOUCH KEY SECTION —
C413
0.047
R413
4.7k
C414
0.047
R414
4.7k
R415 C415
4.7k 0.068
C416
0.068
R416
4.7k
R431
100
R432
100
R433
100
HCD-LF1
• See page 62 for Waveform.
CL410 CL411 CL412 CL413 CL414 CL415
IC401
QT1100
R423
2.2k
C412 0.1
R422 2.2k
C411 0.068
R421 2.2k
R424
2.2k
R420 C410
2.2k 0.068
X401
R425
12MHz
2.2k
R426
2.2k C402 0.1
C403
0.1
R441
100
R440
100
R405
R439
10k
100
R438
100
R437
100
R406 R436
10k 100
R435
100
R404
10k
CL416
CN402
R412
4.7k
C404
R411
10
4.7k
16V
R410
4.7k
CN401
R408 10k
R401 100
R402 10k
R407 100
L401
C401
100
3225
6.3V
C405
IC402
1
TK11145CSCL-G R409
10V
10k
B
JW402
0
3216
C406
C407
1
0.1
10V
B
B
59 59
8PIN JST-SR-S
R471
1k
S401
STANDBY
18PIN
S402
EJECT
C472
0.1
B
HCD-LF1
D471
SEC1201C
RED
CN311 4P
C471 0.1
CN310 2P
R472
330
CN309 3PIN
D472
NSCW100
Q472
MUN2211T1