Schematic Diagram - Main Board (4/7) - Sony NW-S603 Service Manual

5-7. SCHEMATIC DIAGRAM – MAIN Board (4/7) –
1 2
MAIN BOARD (4/7)
A
B
13
MIC_LIN
MAIN
MIC_RIN
BOARD
(2/7)
(Page 19)
C
D
E
TU_DA
F 7
TU_SCK
NC_ADJ_XCE
MAIN
BOARD
NCHP_DET
(2/7)
NC_PWRON
(Page 19)
17
AGND
G
VDD_IO2.8
MAIN
DGND
BOARD
(7/7)
(Page 24)
H
I
NW-S603/S605/S703F/S705F/S706F
• See page 29 for IC Block Diagrams.
3 4 5
R3024
47k
R3041
R3002
100k
2700
R3026
47k R3042
100k
Q3003
2SA207800LS0
R3001
2700 (NO USE)
C3001
C3002
R3038
1
1
100k
R3037
0
IC B/D
IC3001
MIC SWITCH
C2 C1 B4
IC3001
COM1 GND
NLAS4717EPFCT1G
NO1 NO2
*
CSP
(Chip Size Package)
A1 A2 A3
R3043
R3044
220k 470k
Q3001
2SK354700LS0
NOISE CANCELLING
HEADPHONE DETECT
C3029 S
0.001
IC3007
+2.6V REGULATOR
B2
IC3007
VCONT TK63726BCB-G VOUT
*
CSP
(Chip Size Package)
A1
Note: When the MAIN board is replaced, format it according to
the "NOTE OF MAIN BOARD REPLACING" (refer to page
3) of the servicing notes.
6 7 8
Q3002 R3022
0
2SA207800LS0
LINE AMP
R3039
100k
C3003
C3021
0.1
R3011
0
4 3 2 1
C3010
0.1
IC3004
NC
GAIN CONTROL
NC
IC3004
MAX5489ETE
GND
NC
9 10 11 12
C3011
1
C3007
0.047
R3004 R3010
2700 2k
C3004
R3007
0.1
2700
C3008
0.47
IC B/D
21 21
NW-S603/S605/S703F/S705F/S706F
9 10
R3016
47k
C3016
D3002
470p
DA221-TR
C3005
0.047
R3014
150k
R3003 R3009 C3009 R3006
2700 2k 1 15k
R3012
10k
R3005
2700
C3006
0.1
0.47
8 7 6 5
IC3003
IC B/D MIC AMP
IC3003
NJM2732RB1
NC
NC
1 2 3 4
HA
WA
LA
C3012 R3021
1 47k
R3017
150k
R3013
10k
R3019
D3001 47k
DA221-TR
R3008
C3018
15k 470p
B2
IC3005
VCONT TK63726BCB-G
*
CSP
(Chip Size Package)
A1
Note: When IC3001 on the MAIN board are damaged, exchange
the new MAIN board for the MAIN board which IC dam-
aged.
11 12 13
19
TU_DA
TU_SCK
MAIN
BOARD
VDD_TU2.7
(5/7)
(Page 22)
NC_LOUT
R3033
820 C3027
0.033
R3023
0
C3013
0.1
R3020
47k
JL3001
27
MAIN
BOARD
(1/7)
(Page 18)
C3026
0.033
NC_ROUT
R3034
820
IC B/D
IC3005
+2.6V REGULATOR
VOUT
(NW-S703F/S705F/S706F)