Sony PRS-505/SC - Portable Reader System Service Manual page 19

6-7. SCHEMATIC DIAGRAM - MAIN Board (2/10) -
TP1590
BHRESET
(Page 18)
V2
GND
(Page 18)
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
Q105
2SC4738F-Y/GR
Q104,105
B+ SWITCH
11.2896MHz
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
IC101
AK4365VN-L
C122
0.1
R109 10
CLOCK BUFFER
IC107
TC7SHU04FU
R110
470
R102
1M
X102
19 19
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
C114 C115
0.1 10
C119 10
C118 L103
10 22μH
C121 C120 C117 C116
0.1 0.1 10 1
PRS-505