Block Diagram -Usb Section - Aiwa CX-LZP5 Service Manual

CX-LZP5
CX-LZP5
6-4. BLOCK DIAGRAM — USB SECTION —
VBUS5V
IC804
3.3V
1 5 VB3.3V
REG
POWER
J801
CONT
1 VBUS
Q801
USB
D+ DP0
3
1
USB
D-
DM0
2
TRANSCEIVER
2
D+ DP2
3
J802 16 USB
D- DM2
2 TRANSCEIVER
15
USB1
VBUS
1
IC807
8 6
HIGH VOLT
PROTECT
2 4
D+ DP3
3
20
USB
J803
D- DM3
TRANSCEIVER
2 19
USB2
VBUS
1
POWER
DISTRIBUTION
IC806
6 7
OC1 8 18 OVERCUR3
OC2 5 14 OVERCUR2
3 17 PWRON3
EN1
4 13 PWNON2
EN2
2
LED
DRIVE
VBUS5V
VBUS5V
Q802,806
28
USB HUB USB DAC
IC802
DP1 D+
SERIAL
12 26
USB USB
INTERFACE DM1 D-
TRANSCEIVER I/F
11 25
ENGINE
1 2 20 21
X801
12MHz
USB
BUFFER
RESET 4
Q807,808
30
XTAL1
X802
81 76 77
6MHz
29
XTAL2
IC703
POWER
+5V
CONT 3 1 USB5V
+10V
REG
Q805,806
D903
USB
79 O-USB_ON
STATUS
83 I-HUBIN2
82 I-HUBIN1
28
IC801
L
MAIN
C
5 USB-L
DIGITAL
DAC SECTION
R
FILTER
6
(Page 27)
R-CH
12 13 23
Q810 POWER
CONT VBUS5V
Q803,804
Q809
SYSTEM CONTROL
IC700 (3/3)
75 78 80
• R-ch is omitted due to same as L-ch.