Clock Flow & Waveform In Digital Block - Denon DNP-720AE Service Manual

CLOCK FLOW & WAVEFORM IN DIGITAL BLOCK
q DAC input waveform
44.1kHz
Ch1:MCK
Ch2:LRCK
Ch3:BCK
Ch4:SDATA
48kHz
Ch1:MCK
Ch2:LRCK
Ch3:BCK
Ch4:SDATA
88.2kHz
Ch1:MCK
Ch2:LRCK
Ch3:BCK
Ch4:SDATA
96kHz
Ch1:MCK
Ch2:LRCK
Ch3:BCK
Ch4:SDATA
Block Diagram
SMPS UNIT
-12V_MUTE
+12V_Audio
FET SW +16V Pioneer
+18V_OLED OLED
+16V OLED DISPLAY
Disp PCB
+5V_SMPS 1
+3.3V_D1
+3.3V
DATA
CLOC K
P.down
NJM2831F33
+3.3V_CPU
+3.3V
A_MUTE
System μ-com
S_MUTE
REMOTE Renesas
Key RX610 DAC_DEM
Key PCB
R5F56108VNFP
+5V_SMPS 2 Power LED LED on/off DZF(Auto STBY)
(+5V_VBUS)
+5V_NET
FET SW FET SW
+3.3V
+3.3V_NET
12MHz
DATA
CLOC K
Wi-Fi
+1.2V +1.9V
antenna
Pulse Trans
DM870
TD+/- LAN8700
RJ-45
RD+/-
Ethernet with Pulse Trans
D+/-
DIR
+5V_VBUS LC89058
USB
FRONT
I2C_SDA/SCL
USB PCB
CONTROL
SPDIF_Ethernet
Bridge,Co. CX870 module
24.576MHz
AM／FM A/D Converter
TUNER
TUNER AK5358
Refer to next page for details of the Block Diagram.
w ADC output waveform
Ch1:MCK
Ch2:LRCK
Ch3:BCK
Ch4:SDATA
NJM7809FA
+9V_A TUNER
+9V
Power
FET SW
LC89058
NJM7805FA
+5V
+5V_A
+3.3V_D1
+aL
Lch
-aL
MCLK
DAC
BCK
ANALOG
A/D MUTE
LRCK OUT
AK4424
SDATA
+bR
Rch
-bR
w
S/PDIF（CX870 out ONLY） OPT
OUT
（CX870 ONLY）
A/D Converter
+3.3V_D1
+5V_A
Test point
C112
C111
C110
OLED_18V
OLED_18V
GND
+3.3V_D1
GND
+3.3V CPU
GND C106
LED_GREEN
LED_RED C114
OLED_PCONT C115
REMOTE
KEY3 C107
KEY2
KEY1 R251
D0
D1
D2
D3 D103
D4
D5 D105
D6
D7
EL_CS
EL_RW
EL_DC
EL_RD
GND
RESET
GND C138
R189 R188
R187 R186
R183 R182
R248
R199 R179 R178
R197
C182
C181
C180
C198
R244
C207
R271
R230
R231
R232
R233
R234
R235
R236 R281
R237
R238 R280
R239
R240
R241
R242
C302
C301
C300
Detail q
R202
IC112
LC89058W-E
R223
R222
R221
R220
C183
C184
25
+3.3V_D1
q +aL
-aL
MCLK
BCK DAC
A/D
LRCK
AK4424
DIR
SDATA
+bR
-bR
S/PDIF（CX870 out ONLY）
24.576MHz
+3.3V_D1
AK5358 +5V_A
C230
D111
R282
D112
J100
D115
D110
J101
C252
D116
C234
J102 C231
C232
C241 C233 R301
R300
R296
C245 R302
R297
U100
BONDING MTZ5.1B C262
D113
R324
C225 R323
C244
C242
C243 R295
IC120 R322
MFI341S2164 R321
C279
L106
R155 R247
+3.3V R249
TXD1 +3.3V R245
RXD1 TXD MO232I
RXD MI232O
C145 GND
2200/10(10*20)
R129
R161
RESET
+3.3V
TD
TCK
R140 GND
MD0
R163 MD1
R150
R151
w IC115
R152 AK5358BET
R153
C206 R137 R135
R136 R133
C131
R173 C203 C109 R134 R130
R131 C130
R316 R106
R105
R260 R104
R261 R108
R113
R262 C133
R223 R115
R263 R222 R117
C195
R317 C171 R221 R121
R164 C193 R220 R123
R170
C129
C268 C269
R277 C151
R276
R103
R202
L103 R107
IC112
LC89058W-E
q
R169 Q103
IC103
AK4424ET
R168
C303
R167
C304 R166 C139
C305
R165
C311 C143
R143
R254
J104
J105
R125
C183 R118 C141 R128
C154
L101 C140 R127
IC117 C184 C155 R126
TPC6111 R141
C153 R119
R142
Detail w
BCK MCK MCK
IC115
AK5358BET
IC103
C206
AK4424ET
R115
R117
R121
R123
C195
C154
C155
R141
R142
R277
R276
DATA LRCK
LRCK
Lch
ANALOG
MUTE
OUT
Rch
OPT
OUT
（CX870 ONLY）
MAIN
(COMPONENT SIDE)
SCLK
C203
R260
R261
R262
R263
C269
SDATA