![background image](http://html.mh-extra.com/html/sony/hcd-gtx66/hcd-gtx66_service-manual_420753034.webp)
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HCD-GTX66/GTX77
HCD-GTX66/GTX77
6-4. BLOCK DIAGRAM — USB SECTION —
VBUS+5V
USB CONTROL
IC901
VBUS
POWER ON/OFF
SWITCH
IC915
SYSTEM CONTROL
IC401 (4/6)
S-RAM
IC921
CN952
1
4
(USB)
VBUS
D–
D+
GND
DATA
CLK
GATE
A IN
BCK IN
LRCKIN
BUS3
BUS2
BUS1
BUS0
CCE
BUCK
REQ
ST REQ
X901
9kHz
• Signal Path
: USB
: DIGITAL
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
0
5
1
5
1
3
6
7
3
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299