Q Q 6-12. Schematic Diagram - Usb Micom Board (4/4) - Sony HCD-GTX999 Service Manual

HCD-GTX999
6-12. SCHEMATIC DIAGRAM - USB MICOM Board (4/4) -
Q Q
3 7 6 3 1 5 1 5 0
1
A
B
C
D
E
T E
L 1 3 9 4 2 2 9 6 5 1 3
F
G
USB MICOM
BOARD
H
(Page 27)
I
w w w
D
MAIN
BOARD
(3/3)
NO903
J
(Page 33)
HCD-GTX999
• See page 35 for waveforms. • See page 48 for IC Block Diagrams. • See page 55 for IC Pin Function Description.
2 3 4
(Page 25)
3
USB MICOM
BOARD
(1/4)
USB MICOM BOARD
FB5
0
R4
0
C65
0.1
C63
0.1
R5
1k
D09
D08
6
IC B/D
15 14
R15 3
4.7k
(3/4)
0. 8 IC5
16 FB
17
NC
R15 1
+1.2V REGULATOR
1. 2
2.2k 18
OUT
R15 2 19 OUT
TPS74801RGWR
100
20 OUT
C04
1 2
GND
1. 2
CN7
C8 C82
3P
100 0.1
10V
D+5V
1
x a o
GND
2
y
D+2V
3
. i
http://www.xiaoyu163.com
5 6 7
(Page 26)
4
USB MICOM
BOARD
(2/4)
(4/4)
C64
0.1
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
49
GPIO13
50 GPIO14
51 GPIO15
52
GPIO8
53 UAI
IC9
54 UAO
0
HARD DISK DRIVER
55 MODE1
3. 3
IC9
56 VCCO
JM20339-LGCA0C
57 DGND
1. 7
58 VCCK
0
59 MODE0
60 GPIO16
61 GPIO17
Q Q
3 7 6
62
GPIO18
63 GPIO19
64 GPIO20
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
C57 C90
0.1 1
R9
0
R15
C67
R47 1k
10
100
IC B/D
IC6
2. 8
13 12 11
+3.3V REGULATOR
R150
10k
4.9
BIAS 10
1. 2
9
PG
2. 8
8 8 7 6
IN
IC5 2. 8
IN 7
2. 8
IC6
IN 6
MM1663DHBE
3 4 5 1 2 3
2.8
FB8
0
u 1 6 3 C79
C7 100
C9
C15 1 C83
100 10V
1
1 1
10V
Note 1: IC5 on the USB MICOM board cannot exchange with
28 28
2 4
8 9 9
8 9 10
2
3
D2
MC2837
C61
0.1
C11
0.01
1. 4
32
TXP
1. 4
TXN 31
AGND 30
1. 7 C69 10
C12 0.01
29 C13
AVDDL
0.01
0. 3
RXN 28
0. 3
RXP 27
0. 8
C87
REXT 26
0.01
R46 10k R41 1k R42 1k
AGND 25
3. 3
AVDDH 24
C62
NC 23 0.1
AGNDH 22
C66
3. 3
10
AVDDH 21
C60
0
0.1
DP 20
0
3 1 5 1 5 0 8 9
19
DM
0. 7
XTALO 18
R16
0. 7
XTALI 17 0
C89
22p
R12
1M
X5
C88
16
12MHz 22p
C59 C68
0.1 10
IC B/D
IC8
+2.5V REGULATOR
FB6 FB7
0 0
5
5 4
4 1 2 3
m
c o C41 C80
100 100 C81
10V FB9 100
C15 0 C84 10V C85
0
1 10V
470p 0.1
.
C86
0.1
Note 2: Refer to "REPLACEMENT PROCEDURE
single. When this part on the USB MICOM board is
damaged, exchange the entire mounted board.
2
8 9 9
11 12
CN6
5P
FB1 0
GND
5
E
D+
4
3 D-
USB CONNECTOR
VBUS
2
BOARD
FB2 0
CN832
5V
1
(Page 29)
1
FG2
(CHASSIS)
CN8
7P
GND
1
TXP
2
TXN
3 HARD
DISK
GND DRIVE
4
(80GB)
RXN (1/2)
5
RXP
6
GND
7
2 4 9 8 2 9 9
OF HDD" (page 4) of the servicing notes
for HDD is exchanged.