Diagrams; Block Diagram - Usb Section - Sony HCD-GTR333 Service Manual

• Circuit Boards Location
2CH DAMP board (for HCD-GTR333)
3CH DAMP board (for HCD-GTR555/HCD-GTR777)
4CH DAMP board (for HCD-GTR888)
SWITCHING REGULATOR board
MOTOR (LD) board
DISPLAY board
VOLUME board
USB board
HCD-GTR333/GTR555/GTR777/GTR888
SWITCH board
DMB21 board
MIC board (for HCD-GTR777/HCD-GTR888)
SECTION 5

DIAGRAMS

5-1. BLOCK DIAGRAM – USB Section –
RF/SERVO
USB_DP
A
SECTION
USB_DM
(Page 18)
1
CN1500
TUNER board
(USB B)
4
1
MAIN board
CN1501
(USB A)
4
: USB
SENSOR board
MOTOR (TB) board
DRIVER board
17 17
HCD-GTR333/GTR555/GTR777/GTR888
31 USBUP_DP
30 USBUP_DM
VBUS_B
D- B
3 USBDN2_DM
D+ B
4 USBDN2_DP
GND
VBUS_A
D- A
1
USBDN1_DM
D+ A
2 USBDN1_DP
GND
VBUS OVER
CURRENT DETECT
M+9V
IC702
5 +IN2 VCC 8
3 +IN1 OUT1 1
OUT2 7
LED D1500
13.5V
D1502
D1503
USB CONTROLLER
IC700
VBUS+5V REG
5V 13.5V
IC800
VBUS_DET 27 3 SW VIN 2
XTAL1/CLKIN 33
X700
24MHz
XTAL2 32
SYSTEM CONTROLLER
IC500 (1/7)
RESET_N 26 83 HUB-RESET
27 82 HUB-VBUS-DETECT
VBUS_DET
84 HUB-OC1
85 HUB-OC2
1 2 3
LED USB
DRIVER
Q809, Q811