Schematic Diagram - Main Board (4/10); Schematic Diagram - Main Board (5/10) - Sony PRS-505 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
6-7. SCHEMATIC DIAGRAM - MAIN Board (2/10) -
T E
L 1 3 9 4 2 2 9 6 5 1 3
TP1590
BHRESET
(Page 18)
V2
GND
(Page 18)
w w w
PRS-505
• See page 15 for waveform. • See page 29 for IC Block Diagram.
(2/10)
SWITCHING
IC108
TC7SH08FU
C141
0.01
VCC
GND
C107
0.01
C124
0.1
C123
10
Q104
2SA1832F-GR
L102 100μH
C104
0.1
R101
100k
C103
R104
0.001
4.7k
NC
R103
VCC
4.7k
GND
x a o
Q105 y
2SC4738F-Y/GR
Q104,105
. i
B+ SWITCH
11.2896MHz
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C128
220
4V
C129
C109 220
0.0047 4V
C112 R107
C111 0.1 10
10
C110
0.1
C113 R108
0.1 10
AUDIO D/A
CONVERTER
Q Q
3 7 6
IC101
AK4365VN-L
C122
0.1
C121
R109 10
CLOCK BUFFER
IC107
TC7SHU04FU
R110
470
u 1 6 3
R102
1M
.
X102
19 19
2 4
8 9 9
SRDSP
STXD
STCK
STFS
(Page 23)
PCAUDIO
AUDIO1
AUDIO2
AUDIO3
(Page 23)
TP112
HP-R
R120
HP-R
TP110
HP-L R122
HP-L
HP-GND
R129
(Page 22)
TP109
HPGND
3 1 5 1 5 0 8 9 2
C114 C115
0.1 10
C119 10
C118 L103
10 22μH
C120 C117 C116
0.1 0.1 10 1
m
c o
PRS-505
2
8 9 9
4 9 8 2 9 9