Sony CMT-HX3R Service Manual ▷ View online
HCD-HX3
Pin No.
Pin Name
I/O
Description
89
ST CLK
O
Serial data transfer clock signal output to the tuner (FM/AM)
90
ST DATA OUT
O
Serial data output to the tuner (FM/AM)
91
XM RESET
O
Reset signal output terminal for XM section Not used
92
XM_PWR
_3.3V/5V
O
Power on/off control signal output terminal for XM section Not used
93
SAT SEL
O
XM/SIRIUS mode selection signal output terminal Not used
94
SR_POWER
O
Power on/off control signal output terminal for SIRIUS Not used
95
DAB_PWR_3.3V
O
Power (+3.3V) on/off control signal output terminal for DAB section Not used
96
AVSS
-
Ground terminal
97
DAB_PWR_5V
O
Power (+5V) on/off control signal output terminal for DAB section Not used
98
VREF
I
Reference voltage (+3.3V) input terminal
99
AVCC
-
Power supply terminal (+3.3V)
100
CD BUS3
O
Serial data output to the CD-MP3 processor
53
HCD-HX3
Placa USB IC901 TMP92CD28FG-2CB4 (USB CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
/RESET
I
Reset signal input from the system controller "L": reset
2
DI
I
Ready to send signal input from the system controller
3, 4
NO USE
O
Not used
5
G-3
I
Function selection signal input terminal Fixed at "L" in this set
6
DVCC
-
Power supply terminal (+3.3 V)
7 to 9
NO USE
O
Not used
10
DVSS
-
Ground terminal
11
DVCC
-
Power supply terminal (+3.3 V)
12
RVOUT1
O
Reference voltage (+3.3 V) output terminal
13, 14
RVIN
I
Reference voltage (+3.3 V) input terminal
15
RVOUT2
O
Reference voltage (+3.3 V) output terminal
16
DVCC
-
Power supply terminal (+3.3 V)
17
DVSS
-
Ground terminal
18 to 25
D0 to D7
I/O
Two-way data bus with the S-RAM
26
DVSS
-
Ground terminal
27
DVCC
-
Power supply terminal (+3.3 V)
28 to 35
D8 to D15
I/O
Two-way data bus with the S-RAM
36
A0
O
Address signal output terminal Not used
37 to 43
A1 to A7
O
Address signal output to the S-RAM
44
DVSS
-
Ground terminal
45
DVCC
-
Power supply terminal (+3.3 V)
46 to 54
A8 to A16
O
Address signal output to the S-RAM
55 to 58
BUS0 to BUS3
O
Serial data output to the CD-MP3 processor
59
/BUCK
O
Serial data transfer clock signal output to the CD-MP3 processor
60
/CCE
O
Chip enable signal output to the CD-MP3 processor
61
NO USE
O
Not used
62
DVSS
-
Ground terminal
63
DVCC
-
Power supply terminal (+3.3 V)
64
RD
O
Output enable signal output to the S-RAM
65
WR
O
Write enable signal output to the S-RAM
66
SRLLB
O
Lower-byte control signal output to the S-RAM
67
SRLUB
O
Upper-byte control signal output to the S-RAM
68
NO USE
O
Not used
69
BOOT
I
Boot mode selection signal input terminal "L": boot mode
70
CS2
I
Chip select signal output to the S-RAM
71
LRCK
O
L/R sampling clock signal output to the CD-MP3 processor
72
AM1
I
Function mode selection signal input terminal Fixed at "H" in this set
73
X2
O
System clock output terminal (9 MHz)
74
DVSS
-
Ground terminal
75
X1
I
System clock input terminal (9 MHz)
76
DVCC
-
Power supply terminal (+3.3 V)
77
USBOC
I
Over current detection signal input terminal
78
USBPON
O
USB VBUS power on/off control signal output terminal "H": power on
79
D+
I/O
Two-way data (positive) bus with the USB connector
80
D-
I/O
Two-way data (negative) bus with the USB connector
81
AM0
I
Function mode selection signal input terminal Fixed at "H" in this set
54
HCD-HX3
Pin No.
Pin Name
I/O
Description
82
NO USE
O
Not used
83
DVSS
-
Ground terminal
84
DO
O
Clear to send signal output to the system controller
85
DATA
I
Audio data input from the CD-MP3 processor
86
CLOCK
I
Audio data transfer clock signal input from the CD-MP3 processor
87
TXD1
O
Serial data output to the system controller
88
RXD1
I
Serial data input from the system controller
89
NO USE
O
Not used
90
SDA
I/O
Two-way EEPROM IIC data bus terminal Not used
91
SCL
I/O
Two-way EEPROM IIC clock bus terminal Not used
92
BCK
O
Bit clock signal output to the CD-MP3 processor
93
DATA
O
Audio data output to the CD-MP3 processor
94
GATE
O
Gate signal output to the CD-MP3 processor
95
DVCC
-
Power supply terminal (+3.3 V)
96
REQ
I
Request signal input from the CD-MP3 processor
97
ST-REQ
I
Request signal input from the CD-MP3 processor
98, 99
G-1, G-2
I
Function selection signal input terminal Fixed at "L" in this set
100
DVSS
-
Ground terminal
55
HCD-HX3
Placa SWITCHING POWER IC11 CXD9841P (POWER CONTROL)
Pin No.
Pin Name
I/O
Description
1
VSENSE
I
AC line voltage detection signal input terminal
2
F/B
I
Feed back signal input terminal for frequency modulation of oscillator
3
CT
I
Connected to the external capacitor for oscillator duty/frequency setting
4
RT
I
Connected to the external resistor for oscillator frequency setting
5
GND
-
Ground terminal
6
PROTECT
I
Connected to the external capacitor for determines intermittent operation period when abnormal
detection state
detection state
7
SS
I
Connected to the external capacitor for soft start timing
8
VC1
I
Power supply terminal for control circuit "L": stop
9
OCP
I
Over current detection signal and didt protection signal input terminal
10
VC2
O
Power supply output terminal for driver
11
P-GND
-
Ground terminal for low voltage side driver
12
VG (L)
O
Low voltage side driver drive signal output terminal
13
-
-
Not used
14
VB
O
Power supply output terminal for high voltage side driver
15
VS
I
High voltage side driver reference voltage input terminal
16
VG (H)
O
High voltage side driver drive signal output terminal
17
-
-
Not used
18
VD
I
Terminal for drain-kick starting
When starting, current is supplied directly from the rectification diode to VC1
When starting, current is supplied directly from the rectification diode to VC1
56
Click on the first or last page to see other CMT-HX3R service manuals if exist.