R-K731
16
DIR
EAPANDER
ADC
4052_R_IN
C271
R271
C274
C272
IC271
C280
C276
R231
C231
C232
R232
C257
R233
R235
FB255
FB235
R234
C233
IC231
C234
C235
FB253
C238
C239
R236
R237
R238
R239
FB246
C247
C175
R175
Q175
R176
Q176
R177
Q177
R178
Q178
R179
Q179
R180
C246
R181
R182
R244
R245
Q180
Q181
R186
R187
C176
C177
R242
R243
C255
C240
C244
C241
C245
C242
C243
FB242
R185
R188
R189
R190
R191
R251
R252
R249
R250
C237
C236
R240
R273
R274
FB273
C281
C273
FB274
R275
FB275
R276
FB276
C275
C277
C278
C279
C283
D201
FB271
FB272
3V3D
HP_PWR
OSC231
FB247
C248
R247
FB244
FB245
FB175
Q182
C178
R192
IC175
R183
R184
R241
FB243
R248
C249
C250
R323
R320
R321
R322
R318
C
R315
R316
R317
C
R356
R357
R358
R359
FB248
FB249
FB252
FB251
FB250
FB232
FB234
FB236
FB238
FB239
FB240
FB241
FB254
FB233
FB237
R272
C282
FB231
4052_L_IN
OPT1_SPDIF
OPT2_SPDIF
U_A_SPDIF
CD_SPDIF
MA_I2C_SCL
DGND
DGND
MA_I2C_SDA
3V3D
DGND
DIR_PCM
DIR_ULOCK
3V3S
3V3D
MA_BU_PCTL
SGND
DAP_SKUP
DAP_SKDN
MA_BU_DA
MA_BU_CLK
DAP_PLYPAS
DAP_FPLY
DAP_FSTP
DAP_ITUP
DAP_ITDN
SDATA3
-9V
SW_OUT
+9V
3V3D
DAC_BCK_SW
DAC_LRCK_SW
DAC_MCLK_SW
MA_SYSRST
3V3D
D_LINK_CTRL
DGND
DAP_PLYPAS
DAP_FPLY
DAP_FSTP
DAP_ITUP
DAP_ITDN
DAP_SKUP
DAP_SKDN
3V3D
DIR_RST
AGND
DGND
DIR_MCLK
DIR_DOUT
DIR_BCK
DIR_LRCK
ADC_MCLK
ADC_DOUT
ADC_BCK
ADC_LRCK
DAC_MCLK_REC
DSP_MCLK
DAC_MCLK_HP
DAC_MCLK_HP
SDATA1
HP_PWR
+9V
AGND
-9V
+5VA
HP_R_OUT
HP_L_
-9V
REC_R_OUT
REC_L_OU
+9V
3V3D
SDATA2
DAC_BCK_REC
DAC_LRCK_REC
DAC_MCLK_REC
MA_SYSRS
DAC_BCK_HP
DAC_LRCK_HP
DAC_MCLK_SW
ADC_MCLK
DSP_LRCK
ADC_LRCK
AMP_MCLK
ADC_BCK
DIR_I2S_DOUT
DSP_BCK
DSP 1
Summary of Contents for R-K731-B
Page 3: ...3 R K731 Block Diagram ...