Filter
Top Products
NWZ-A826/A826K/A828/A828K/A829
NWZ-A826/A826K/A828/A828K/A829
2626
5-9. SCHEMATIC DIAGRAM - MAIN Board (5/7) -
• See page 32 for IC Block Diagrams. • See page 34 for IC Pin Function Description.
Note 1: When the MAIN board is replaced, format it according
to the “NOTE OF MAIN BOARD REPLACING” (refer
to page 4) of the servicing notes.
Note 2: IC301, IC302 and IC305 on the MAIN board cannot exchange
with single. When IC301, IC302 and IC305 on the MAIN board
are damaged, exchange the entire mounted board.
IC B/D
IC B/D
BOARD
2
MAIN
(7/7)
(7/7)
BOARD
MAIN
5
(1/7)
BOARD
MAIN
10
IC302
CS43L21-CNZR
12345678
910111213141516
1718192021222324
252627282930313233
VDD_HP_F
C308
1
C311
1
C314 1
ADA_XRST
PCM0_DADT
CPU_REFCLKO
C107
0.068
SPI0_MOSI
SPI0_CLK
SPI0_XCS2
DGND
AGND
C303 0.1
VDD_DDC2_J
C310 0.1
C315 1
C313
0.1
C306
0.1
C110
0.22
R110 2.2
R210 2.2
C210
0.22
C207
0.068
R108
470
R209
470
R208
470
R109
470
C302 0.1
LINE_OUT_R
LINE_OUT_L
HP_XMUTE
C312 22
XCRD_LINEOUT
D101 RSB6.8STE61
D201
RSB6.8STE61
Q302
EMX18
-1 -2
Q303
EMX18
-1
-2
Q301
UNR31A600LS0
C305
10
IC301
XC6401FF58DR
1
2
34
5
6
7
C307
10
R310
0
R312
0
R302
0
C319
4.7
C321
0.022
Q304
UNR31A600LS0
R314 0
CL101
CL201
PCM0_BCK
PCM0_ADDT
FB201
FB301
FB101
PCM0_LRCK
IC305
MAX4745ELB+TG069
1
CB1
2
NO1
3
GND
4
NO2
5
CB2
6
COM2
7
NC2
8
VCC
9
NC1
10
COM1
C208
0.1
R106
R106, 206
5.6 (EXCEPT NWZ-A826: FR/A828: FR/A829: FR)
43 (NWZ-A826: FR/A828: FR/A829: FR)
∗
∗
R206
∗
11P
CN301
1 MIC_RIN
2 MIC_RIN
3HP_R
4HP_R
5COM
6COM
7COM
8 MIC_L
9 MIC_L
10 HP_L
11 HP_L
R123
0
R223
0
150k
R304
220k
R305
220R315
47
R105
47
R205
0.001
C301
470R220
470R120
0.0047
C116
0.0047
C216
1k
R313
1k
R307
D301
VMZ6.8NT2L
CL102
CL202
0.47
C326
6.3V
C316
22
0
C327
0
C328
0
C329
0
C330
EN1 GND
VOUT2
VOUT1
VSS
EN2
VIN
MUTING MUTING
Q301, 304
MUTING CONTROL
SWITCH
SELECTOR
HEADPHONE/WM-PORT
IC305
(CHASSIS)
TB301
ADC_FILT+
VQ
DAC_FILT+
AGND
VA
AOUTA
AOUTB
VSS_HP
AIN1B
AIN1A
AFILTB
AFILTA
AIN2B/BIAS
AIN2A
MICIN2/AIN3B/BIAS
MICIN1/AIN3A
VL
VD
DGND
SDOUT
MCLK
SCLK
SDIN
AGND
LRCK
FLYN
SDA/CDIN
SCL/CCLK
AD0/nCS
VA_HP
FLYP
GND_HP
nRESET
IC302
A/D CONVERTER,
D/A CONVERTER,
HEADPHONE AMP
IC301
+1.8V REGULATOR
(5/7)MAIN BOARD
J301
J
HP FLEXIBLE
PRINT BOARD
711
D
B
6910
F
53
G
1 12
C
E
84 13
A
2
(Page 28)
(Page 22)
(Page 28)