Sony CMT-BX3R / CMT-BX4R / HCD-BX3R / HCD-BX4R Service Manual ▷ View online
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HCD-BX3R/BX4R
•
IC Pin Function Description
CD BOARD IC101 TC94A70FG-008 (S, D) (CD-MP3 PROCESSOR)
Pin No.
Pin Name
I/O
Description
1
AVSS3
-
Ground terminal
2
RFZi
I
RF ripple zero crossing signal input terminal
3
RFRP
O
RF ripple signal output terminal
4
SBAD/RFDC
O
Sub beam addition signal or RF peak detection signal output terminal Not used
5
FEi
O
Focus error signal output terminal Not used
6
TEi
O
Tracking error signal output terminal
7
TEZi
I
Tracking error zero crossing signal input terminal
8
AVDD3
-
Power supply terminal (+3.3 V)
9
FOo
O
Focus coil drive signal output terminal
10
TRo
O
Tracking coil drive signal output terminal
11
VREF
I
Reference voltage (+1.65V) input terminal
12
FMO
O
Sled motor drive signal output terminal
13
DMO
O
Spindle motor drive signal output terminal
14
VSSP3
-
Ground terminal
15
VCOi
I
VCO control voltage input terminal
16
VDDP3
-
Power supply terminal (+3.3 V)
17
VDD1
-
Power supply terminal (+1.5 V)
18
VSS1
-
Ground terminal
19
FGiN
I
FG signal input terminal Not used
20
IO0 (/HSO)
I
Disc inner position detection signal input terminal
21
IO1 (/UHSO)
O
Not used
22
XVSS3
-
Ground terminal
23
XI
I
System clock input terminal (16.9344 MHz)
24
XO
O
System clock output terminal (16.9344 MHz)
25
XVDD3
-
Power supply terminal (+3.3 V)
26
DVSS3
-
Ground terminal
27
RO
O
Analog audio (R-ch) signal output terminal
28
DVDD3
-
Power supply terminal (+3.3 V)
29
DVR
O
Reference voltage (+1.65V) output terminal
30
LO
O
Analog audio (L-ch) signal output terminal
31
DVSS3
-
Ground terminal
32
VDDT3
-
Power supply terminal (+3.3 V)
33
VSS1
-
Ground terminal
34
VDD1
-
Power supply terminal (+1.5 V)
35
VDDM1
-
Power supply terminal (+1.5 V)
36
SRAMSTB
I
S-RAM standby mode control signal input terminal Fixed at "L" in this set
37
XRST
I
Reset signal input from the system controller "L": reset
38, 39
BUS0, BUS1
I/O
Serial data input/output from the system controller or USB controller
40
BUS2 (SO)
I/O
Serial data input/output from the system controller or USB controller
41
BUS3 (SI)
I/O
Serial data input/output from the system controller or USB controller
42
BUCK (CLK)
I
Serial data transfer clock signal input from the system controller or USB controller
43
XCCE
I
Chip enable signal input from the system controller or USB controller
44
TEST
I
Setting terminal for test mode Normally fixed at "L"
45
IRQ
I
Interrupt request signal input terminal
46
AoUT3 (PO4)
O
Not used
47
AoUT2 (PO5)
O
Audio data output to the USB controller
46
HCD-BX3R/BX4R
Pin No.
Pin Name
I/O
Description
48
PIO0
O
Request signal output to the system controller or USB controller
49
PIO1
O
Request signal output to the USB controller
50
PIO2
O
Not used
51
PIO3
I
Gate signal input from the USB controller
52
VSS1
-
Ground terminal
53
VDDT3
-
Power supply terminal (+3.3 V)
54
SBSY
O
Subcode block sync signal output to the system controller
55
SBOK/FOK
O
Not used
56
IPF
O
Not used
57
SFSY/LOCK
O
Not used
58
ZDET
O
Zero detection signal output terminal Not used
59
GPIN
I
Not used
60
MS
I
Microcomputer interface mode selection signal input terminal Fixed at "H" in this set
61
DOUT (PO6)
O
Digital audio data output terminal Not used
62
AOUT (PO7)
O
Audio data output terminal Not used
63
BCK (PO8)
O
Bit clock signal output to the USB controller
64
LRCK (PO9)
O
L/R sampling clock signal output terminal
65
AIN (PI4)
I
Digital audio data input from USB controller
66
BCKi (PI5)
I
Bit clock signal input from the USB controller
67
LRCKi (PI6)
I
L/R sampling clock signal input from the USB controller
68
VDD1
-
Power supply terminal (+1.5 V)
69
VSS1
-
Ground terminal
70
AWRC
-
Not used
71
PVDD3
-
Power supply terminal (+3.3 V)
72
PDo
O
Phase error margin signal between EFM signal and PLCK signal output terminal
73
TMAXS
O
TMAX detection signal output terminal Not used
74
TMAX
O
TMAX detection signal output terminal
75
LPFN
I
Inverted signal input from the operation amplifier for PLL loop filter
76
LPFo
O
Signal output from the operation amplifier for PLL loop filter
77
PVREF
I
Reference voltage (+1.65V) input terminal
78
VCOF
O
VCO filter output terminal
79
PVSS3
-
Ground terminal
80
SLCo
O
EFM slice level output terminal
81
RFi
I
RF signal input terminal
82
RFRPi
I
RF ripple signal input terminal
83
RFEQo
O
EFM slice level output terminal
84
VRo
O
Reference voltage (+1.65V) output terminal
85
RESiN
O
External resistor connection terminal
86
VMDiR
O
Reference voltage (+1.65V) output terminal for automatic power control circuit
87
TESTR
O
Low-pass filter terminal for RFEQO offset correction
88
AGCi
I
RF signal amplitude adjustment amplification input terminal
89
RFo
O
RF signal generation amplification output terminal
90
RVDD3
-
Power supply terminal (+3.3 V)
91
LDo
O
Laser diode on/off control signal output to the automatic power control circuit
"H": laser diode on
"H": laser diode on
92
MDi
I
Light amount monitor input from the laser diode of optical pick-up block
93
RVSS3
-
Ground terminal
47
HCD-BX3R/BX4R
Pin No.
Pin Name
I/O
Description
94
FNi2 (C)
I
Main beam (C) input from the optical pick-up block
95
FNi1 (A)
I
Main beam (A) input from the optical pick-up block
96
FPi2 (D)
I
Main beam (D) input from the optical pick-up block
97
FPi1 (B)
I
Main beam (B) input from the optical pick-up block
98
TPi (F)
I
Sub beam (F) input from the optical pick-up block
99
TNPC
O
External capacitor connection terminal
100
TNi (E)
I
Sub beam (E) input from the optical pick-up block
48
HCD-BX3R/BX4R
MAIN BOARD IC301 M3062LFGPFP-702 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
ST DATA IN
/STEREO
I
Serial data and stereo detection signal input from the tuner (FM/AM)
2
ST CLK
O
Serial data transfer clock signal output to the tuner (FM/AM)
3
ST DATA OUT
O
Serial data output to the tuner (FM/AM)
4
SIRCS
I
SIRCS signal input from the remote control receiver
5 to 7
NC
O
Not used
8
BYTE
I
External data bus width selection signal input terminal
9
CN VSS
I
Processor mode switch input terminal (for test)
10
XCIN
I
Sub system clock input terminal (32.768 kHz)
11
XCOUT
O
Sub system clock output terminal (32.768 kHz)
12
RESET
I
System reset signal input from the reset signal generator "L": reset
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
13
XOUT
O
Main system clock output terminal (5 MHz)
14
VSS
-
Ground terminal
15
XIN
I
Main system clock input terminal (5 MHz)
16
VCC
-
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt signal input terminal Not used
18
RDS INT
I
RDS data transfer clock signal input terminal Not used
19
SBSY
I
Subcode block sync signal input from the CD-MP3 processor
20
AC CUT
I
AC cut on/off detection signal input terminal "L": AC cut on
21, 22
NC
O
Not used
23
DAB-POWER
3.3V
O
DAB power supply (+3.3V) ON/OFF control signal output terminal Not used
24
DAB-POWER 5V
O
DAB power supply (+5V) ON/OFF control signal output terminal Not used
25
LCD BACK
LIGHT LCD
O
LED drive signal output terminal for LCD back light "H": LED on
26
USB/BT LED
O
LED drive signal output terminal for the USB MEMORY indicator "H": LED on
27
STANDBY LED
O
LED drive signal output terminal for STANDBY indicator "H": LED on
28
STBY RELAY
O
Power on/off control signal output terminal "H": power on
29
LCD CLK
O
Serial data transfer clock signal output to the liquid crystal display
30
LCD DATA
O
Serial data output to the liquid crystal display
31
BT DOUT
O
Serial data output for bluetooth module Not used
32
BT DIN
I
Serial data input for bluetooth module Not used
33
NC
O
Not used
34
BT_RTS
O
Ready to send signal output for bluetooth module Not used
35
USB TXD
O
Serial data output to the USB controller
36
USB RXD
I
Serial data input from the USB controller
37
USB CTS
I
Clear to send signal input from the USB controller
38
USB RTS
O
Ready to send signal output to the USB controller
39
NC
O
Not used
40
USB RESET
O
Reset signal output to the USB controller "L": reset
41
PULL DOWN
O
Connected to the ground
42, 43
NC
O
Not used
44
DEC BUS SEL1
O
Data selection signal output terminal
45
DEC BUS SEL2
O
Data selection signal output terminal Not used
46
PULL UP
O
Connected to the power supply
47 to 53
NC
O
Not used
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