Schematic Diagram - Main Board (7/7) - Sony NWZ-A826 Service Manual

NWZ-A826/A826K/A828/A828K/A829
5-9. SCHEMATIC DIAGRAM - MAIN Board (5/7) -
1 2
MAIN BOARD
5
A
VDD_DDC2_J
MAIN
R302
BOARD
0
(7/7)
VDD_HP_F
(Page 28)
R304
150k
1 EN2
XC6401FF58DR
2 VIN
B
3
EN1
R305 C305
220k 10
IC301
+1.8V REGULATOR
HP_XMUTE
XCRD_LINEOUT
C
10
ADA_XRST
C303
D
MAIN
C301
BOARD
0.001
(1/7)
C302
(Page 22)
PCM0_ADDT
CPU_REFCLKO
R314 0
PCM0_BCK
PCM0_DADT
E
PCM0_LRCK
F
SPI0_MOSI
SPI0_CLK
SPI0_XCS2
AGND
C326
0.47
DGND
G
TB301
(CHASSIS)
NWZ-A826/A826K/A828/A828K/A829
• See page 32 for IC Block Diagrams.
3 4 5
(5/7)
IC B/D
VOUT2 6
IC301
VOUT1 5
4
GND VSS
C307 C316 R310 R312
7
10 22 0 0
6.3V
24 23 22 21 20 19 18 17
nRESET
0.1
VL
VD
IC302
0.1
DGND
SDOUT A/D CONVERTER,
D/A CONVERTER,
HEADPHONE AMP
MCLK
R315 220
SCLK
IC302
CS43L21-CNZR
SDIN
AGND
1 2 3 4 5 6 7 8
C308
1
C306
0.1
C327 C328 C329 C330
0 0 0 0
• See page 34 for IC Pin Function Description.
6 7 8
IC305
HEADPHONE/WM-PORT
Q301, 304
MUTING CONTROL
SWITCH
C312 22
C313 0.1
ADC_FILT+
C314 1
VQ
C315 1
DAC_FILT+
AGND
C310 0.1
VA
AOUTA
AOUTB
VSS_HP
R307 R313
C311
1k 1k
1
C107 C207
0.068 0.068
R105 R205 C319 C321
47 47 4.7 0.022
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.
26 26
9 10
R120 470
SELECTOR
R220 470
IC B/D
10 9 8 7 6
1 2 3 4 5
C116 C216
0.0047
0.0047
C208
0.1
R223 R123
0 0
∗ R106, 206
5.6 (EXCEPT NWZ-A826: FR/A828: FR/A829: FR)
43 (NWZ-A826: FR/A828: FR/A829: FR)
R206 R106
∗ ∗
FB201
FB101
R108 R208 R109 R209
470 470 470 470
RSB6.8STE61
-1 -2 -1 -2
C110
0.22
C210
Q302 Q303
0.22
EMX18 EMX18
MUTING MUTING
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.
11 12 13
CL201
2
LINE_OUT_R
CL101
LINE_OUT_L
MAIN
BOARD
(7/7)
(Page 28)
CN301
11P
1 MIC_RIN
2 MIC_RIN
3 HP_R
CL202
4 HP_R
CL102
5 COM
J301
6 COM
7 COM
8 MIC_L
HP FLEXIBLE
D201 9 MIC_L
PRINT BOARD
10 HP_L
11 HP_L
FB301
D301
VMZ6.8NT2L