R-K731
17
Head Phone
SW
REC
C356
C359
C363
R360
C353
C360
D325
C339
C352
R344
C336
C329
C327
R342
C326
C332
C335
R323
R320
R321
R322
C331
R331
R332
C338
C334
FB351
FB352
C351
IC351
R354
R355
C362
C361
FB357
C364
R362
R393
C365
Q330
R350
R347
R348
R254
R253
R392
C342
R328
C328
C330
C333
R325
R326
Q325
FB325
FB326
R364
C344
C325
IC325
C345
FB327
FB328
FB329
FB330
C313
R319
C315
C322
R318
C311
IC301
C305
R304
R306
C304
R305
R307
R311
R312
R313
C319
R314
R335
C320
R336
C307
R309
IC303
Q334
R367
R369
R366
C346
C303
R303
R334
R339
R301
R302
C302
R349
R391
R345
R346
C341
Q329
C347
C366
C340
R365
R310
C317
Q335
R394
R368
R370
Q333
C306
Q336
R337
R338
IC302
C321
C314
C312
C310
C323
FB302
C324
C309
C308
C301
R333
R324
FB301
HP_PWR
C318
C316
R308
R315
R316
R317
FB331
C337
R329
R330
Q327
Q326
Q328
R327
R361
C343
R363
Q353
Q351
Q352
R353
R352
R351
C354
C357
C358
C355
R356
R357
R358
R359
V
W_OUT
AGND
AGND
AGND
AGND
9V
V3D
W
W
MA_SYSRST
P
HP_PWR
+9V
AGND
-9V
+5VA
HP_R_OUT
HP_MUTE
HP_L_OUT
-9V
AGND
AGND
AGND
AGND
AGND
REC_R_OUT
REC_L_OUT
+9V
3V3D
C
EC
EC
MA_SYSRST
P
Summary of Contents for R-K731-B
Page 3: ...3 R K731 Block Diagram ...