Sony CDX-GT878US - About USB Devices and File Formats

CDX-GT828U/GT870US/GT878US
CDX-GT828U/GT870US/GT878US
2020
RESET
MAIN
SECTION
A
11
13
84
SYSTEM CONTROL
IC303 (2/2)
DC-DC
CONVERTER
IC620
USB VBUS REG
IC603
FL DRIVER,LED CONTROL,
FLASH MEMORY CONTROL
IC901
FL901
FLUORESCENT
INDICATOR TUBE
REMOTE CONTROL
SIGNAL RECEIVER
IC903
CE
SYS SO
33
99
3
FL DATA1
FL DATA2
FL DATA3
26
BLINK
78
RE0
77
RE1
55
RC IN1
87
KEYACK2
86
RC IN0
79
NOSE
KEY IN0
88
KEY ACK0
MAIN
SECTION
B
STB
10
RESET
95
DOORIND
XOUT
XIN
72
FL ON
58
FSW OUT
X302
6MHz
1
10
29
RESET
SYS CLK
31
30
SYS SI
CNVSS
7
BU+3.3V
BATT
KEY MATRIX
S902–914
2
FSW IN
8
9
XOUT
XIN
X301
32.768kHz
91
DOOR
BU+3.3V
FM(50K)
S301
FREQUENCY
SELECT
AM(9K)
FM(200K)
AM(10K)
3
2C
V–BUS
75
HS EN
11
13
XOUT
FL F+
FL F–
FLVDD2(55V)
FLVDD1(3.3V)
XIN
X901
6.75MHz
PUSH ENTER/ SOUND/ MENU
RE901
ROTARY
ENCODER
KEY MATRIX
S701,915,916
S302
FRONT PANEL
DETACHABLE DETECT
RESET
IC302
LED917–920
91
ILL BLUE
90
ILL GREEN
92
ILL RED
BATT
CS
Q909
GT878US
Q908
CT
OUT
VCC
IN
FL F+
FL F–
FL VDD2(55V)
BATT
D640
D623
D622
T620
DC-DC CONVERTER
TRANSFORMER
RED LED
DRIVER
Q902
44
WRL/WR
6
5
39
HOLD
S103
RESET
LED701
;
LED702
DOOR
INDICATOR
FLASH MEMORY
IC905
26
CE
3
OUT
D902
D662
V–BUS
USB BUS INTERFACE
IC904
Q901
S901
CD
MECHANISM
UNIT
(MG–101I)
(2/2)
D905
D600
BU+5V FLVDD1(3.3V)
7
1C
6
2B
2
1B
5
2A
USB D+
USB D–
1
1A
74
FLD ON
76
HS OC
1
VIN
7
SYNC
+5V REG
IC602
REGULATOR CONTROL
IC621
L602
2
SW
7
4
2
3
6
7
8
4 5
1
J370
(REMOTE IN)
1
DST SEL0
GT870US/GT878US
LED DRIVER
Q601,602
FSW CONTROL
Q621,622
POWER
CONTROL
Q651,652
RESET
IC902
CNVSS
BUFFER
Q910,911
FRONT PANEL
OPEN/CLOSE
DETECT SWITCH
Q606,607
FL ON
SWITCH
Q624
6
5
4
1
CN902
(USB)
LED901–904,
906–916
PANEL+B
GREEN LED
DRIVER
Q903
BLUE LED
DRIVER
Q904
LED
DRIVER
Q905
69
USB ON
BU+3.3V
BATT
5
1
+3.3V REG
IC600
4
3 1
8
POWER
SWITCH
Q603
VOLTAGE
DETECT
Q662,663
POWER
CONTROL
Q623,642
47
CE
28
OE
42
RD
12
RESET
89
SIRCS
KEY IN2
95
93
KEY IN1
18
SI1
19
SI2
20
SI3
24
LAT TA2 OUT
11
LAT
28
GCP TA0 OUT
13
GCP
35
FL CLK
17
CLK
22
BK TA3 OUT
10
BK
6
VDD1
9
VDD2
1
F+
2
F+
3
F+
38
F–
39
F–
40
F–
19
GCP TA4 IN
100
DISP CKO
99
DISP SO
98
93
DISP CE
DISP SI
90
DISP RESET
VOLTAGE
DETECT
Q641
DRIVER
Q620
1
29–36
DQ0–DQ15
A0–A19
D0–D15
A0–A19A0–A19
D0–D15
GT878US
38–45
1–9
16–25
48
48–59
61,
63–69
71–86
FRONT PANEL
OPEN/CLOSE
DETECT
IN
OUT
IN
EN OC
OUT
OUT
• Signal Path
c : USB
c
c
c
c
5-2. BLOCK DIAGRAM – DISPLAY Section –
(Page 19)
(Page 19)