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HCD-GTR333/GTR555/GTR777/GTR888
HCD-GTR333/GTR555/GTR777/GTR888
17
17
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM – USB Section –
• Circuit Boards Location
TUNER board
MAIN board
SWITCHING REGULATOR board
DMB21 board
SWITCH board
MOTOR (LD) board
MOTOR (TB) board
DRIVER board
SENSOR board
USB board
VOLUME board
DISPLAY board
MIC board
(for
HCD-GTR777/HCD-GTR888)
2CH DAMP board
(for
HCD-GTR333)
3CH DAMP board
(for
HCD-GTR555/HCD-GTR777)
4CH DAMP board
(for
HCD-GTR888)
: USB
6LJQDOSDWK
1
8
3
M+9V
LED
13.5V
USB CONTROLLER
IC700
VBUS+5V REG
IC800
VBUS OVER
CURRENT DETECT
IC702
SYSTEM CONTROLLER
D1500
D1502
D1503
IC500 (1/7)
CN1501
1
4
(USB A)
VBUS_A
D- A
D+ A
GND
+IN1
USBDN1_DP
USBDN1_DM
VCC
OUT1
OUT2 7
1
2
HUB-RESET
HUB-VBUS-DETECT
RESET_N
VBUS_DET
26
83
1
2
3
82
HUB-OC1
HUB-OC2
USBA_LED_BLUE
USBB_LED_RED
USBB_LED_BLUE
27
31
USBUP_DM
USBUP_DP
30
XTAL1/CLKIN
XTAL2
X700
24MHz
CN1500
1
4
(USB B)
VBUS_B
D- B
D+ B
GND
USBDN2_DP
USBDN2_DM
3
4
5 +IN2
USB_DP
USB_DM
85
84
33
VBUS_DET
SW
VIN
27
3
2
32
13.5V
5V
LED USB
DRIVER
Q809, Q811
RF/SERVO
SECTION
(Page 18)
A
Содержание HCD-GTR333
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