Schematic Diagram - Main Board (4/12) - Sony HCD-HDX275 Service Manual

6-11. SCHEMATIC DIAGRAM - MAIN Board (4/12) -

1 2
MAIN BOARD (4/12)
A
HDX275/HDX277WC
HDX475/HDX675
(HDX279W/HDX576WF)
B
R3056
0
30
31
32
C
33
C3024
0.1
D
C3025
0.1
7
E
MAIN
BOARD
(3/12)
R3021
(Page 38)
470
F
34
35
G
36
37
38
39
40
H 41
42
I
J
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
• See page 64 for Waveforms.
3 4 5 6
R3201
100
R3252 R3202
R3251
100 100
100
C3023 C3022
0.1 0.1
C3021
47
16V
IC B/D
12 11 10 9 8 7 6 5 4 3 2 1
XOVSS XFSOIN
13 48
XFSOOUT XVDD
14 47
XOVDD HPVDDL
15 46
IC3020
DVDD HPOUTL1
16 45
17 DVSS HPVSSL 44
STREAM PROCESSOR
18 NSPMUTE HPOUTL2 43
IC3020
CXD9788AR
SOFTMUTE HPVDDR
19 42
PGMUTE HPOUTR1
20 41
SCDT HPVSSR
21 40
SCSHIFT HPOUTR2
22 39
23 SCLATCH FSOI 38
24 OVF FLAGR FSOCKO 37
OVF FLAGL
25 26 27 28 29 30 31 32 33 34 35 36
R3022
470
C3026 C3027
0.1 0.1
R3026
100
• See page 65 for IC Block Diagrams.
7 8 9
R3151 R3152
R3101
100 100
100
C3013
C3012
0.1
3
12 11 10 9 8 7 6
C3030
XOVSS
R3055 13
0.1
1.6
47
XFSOOUT
14
3.3
C3014 XOVDD
15
0.1
C3029 1.8
DVDD IC3010
0.1 C3015 16
0.1
17 DVSS
STREAM PROCESSOR
3.3
C3028 NSPMUTE
18
0.1 IC3010
3.3
CXD9788AR
SOFTMUTE
19
3.3
PGMUTE
20
0
SCDT
21
0
SCSHIFT
22
3.3
23 SCLATCH
3.3
OVF FLAGR
24
OVF FLAGL
R3011 25 26 27 28 29 30 31 32 33 34 35 36
470
R3012
470
R3013
10k
TP3024
C3083
100p
C3081
TP3081 220
R3085 C3092
10V
33k 100p
8 7 6 5
-
+
IC3001
C3008
0.1
+
-
HEADPHONE AMP
1 2 3 4
C3082
TP3083
220
10V
R3086 C3093
33k 100p
C3084 100p
39 39
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
10 11 12
R3102
100 R3044 R3043
R3042
0 0 0
0.1
C3011
L3054 C3060
47
1uH 10p
16V
C3059
1000p
2
R3053
470
X3051
IC B/D
5 4 3 2 1
49.1MHz
R3054
100
1.6
XFSOIN
48
R3050
3.3 0 R3052
C3020
XVDD
47 0.1
3.3
C3019
HPVDDL
46
0.1
1.7
HPOUTL1
45
HPVSSL 44
1.7 1
HPOUTL2
43
3.3
C3018
HPVDDR
42
0.1
1.7
HPOUTR1
41
HPVSSR
40
1.7
HPOUTR2
39
1.6
FSOI 38
L3053
10uH
FSOCKO
37
TP3015
3.3
VIN
5
1.8
4 VOUT
TK11118CSCL-G
C3054
100
16V
C3055
0.01
IC3050
+1.8V REGULATOR
R3017
100
R3087 R3091
C3085
22k
10k 100p
C3091
220
R3092
R3088 16V
10k 22k
C3051 R3051
0.1 100k
C3087
R3098
100p 33k R3095
3.3k
C3088
R3099
100p
33k
R3089 C3086 R3093
22k
10k 100p
R3090 R3094 R3096
C3090
22k 4.7k
10k 100
C3094
10V
100p
TP3082
13 14 15
13
14
15
16
4
17
18
MAIN
BOARD
19
(2/12)
20
(Page 37)
21
22
R3041 R3040 C3003
1000p 23
0
0
C3057
0.01
C3058
5p
C3056
220
10V
4 3 2 1
1M
5 6 7 8
IC3051
OSC BUFFER
L3051
10uH
D3.3V
C3052
1
3.3
CONT 1
GND 2
1.3
NP 3
C3053
0.1
IC3050
IC B/D
8
R3047
10k
MAIN
HPMUTE
BOARD
(6/12)
Bup3.3V
(Page 41)
L3052
10uH
A12V
CN904
4P
D
1 P-GND
P-GND
2
+31.5V POWER
3
BOARD
+31.5V
4 CN904
(Page 63)
TP3053
R3049
0
JL3004 JL3003
3.3
0
TP3084
Q3081
RT1P141C-TP-1 3.3
CN3001
MUTING CONTROL 4P
H/P MUTE
4 E
HP-L
3
2 GND JACK-KEY
BOARD
1 HP-R
CN108
(Page 57)