Sony CMT-NEZ50 / HCD-NEZ50 Service Manual ▷ View online
29
HCD-NEZ50
•
IC PIN FUNCTION DESCRIPITION
CD BOARD IC201 CXD3014A-201R (CD DSP)
Pin No.
Pin Name
I/O
Description
1
LRCK
O
L/R sampling clock signal output terminal
2
LRCKI
I
L/R sampling clock signal input terminal
3
PCMD
O
Serial data output terminal
4
PCMDI
I
Serial data input terminal
5
BCK
O
Bit clock signal output terminal
6
BCKI
I
Bit clock signal input terminal
7
XTACN
I
Oscillation circuit on/off switch control signal input from the system controller
"L": oscillation stop, "H": self-oscillation
"L": oscillation stop, "H": self-oscillation
8
XRST
I
System reset signal input from the system controller "L": reset
9
VSS
-
Ground terminal
10
IREQ-MP3
O
MP3 data request signal output to the system controller
11
CLOK
I
CD serial data transfer clock signal input from the system controller
12
DATA2
I
MP3 serial data input from the system controller
13
XLAT-MP3
I
MP3 serial data latch pulse signal input from the system controller
14
REQ-MP3
I
MP3 data request signal input from the system controller
15
ACK-MP3
O
MP3 acknowledge signal output to the system controller
16
XLAT
I
CD serial data latch pulse signal input from the system controller
17
VDD
-
Power supply terminal (+1.8V)
18
SVSS
-
Ground terminal
19
SVDD
-
Power supply terminal (+1.8V)
20
SENS
O
Internal status (SENSE) signal output to the system controller
21
WFCK
-
Not used
22
XUGF
-
Not used
23
XPCK
-
Not used
24
GFS
-
Not used
25
C2PO
-
Not used
26
SCOR
O
Subcode sync (S0+S1) detection signal output to the system controller
27
VDD
-
Power supply terminal (+1.8V)
28
COUT
-
Not used
29
SVSS
-
Ground terminal
30
SVDD
-
Power supply terminal (+1.8V)
31
MIRR
-
Not used
32
DFCT
-
Not used
33
FOK
-
Not used
34
VSS
-
Ground terminal
35
VDD
-
Power supply terminal (+1.8V)
36
VSS
-
Ground terminal
37
MIRR
-
Not used
38
MDP
O
Spindle motor servo control signal output terminal
39
SSTP
I
Disc inner position detection signal input terminal
40
IOVSS1
-
Ground terminal
41
SFDR
O
Sled servo drive signal (+) output to the coil/motor driver
42
SRDR
O
Sled servo drive signal (-) output to the coil/motor driver
43
TFDR
O
Tracking servo drive signal (+) output to the coil/motor driver
44
TRDR
O
Tracking servo drive signal (-) output to the coil/motor driver
45
FFDR
O
Focus servo drive signal (+) output to the coil/motor driver
46
FRDR
O
Focus servo drive signal (-) output to the coil/motor driver
47
IOVDD1
-
Power supply terminal (+3.3V)
30
HCD-NEZ50
Pin No.
Pin Name
I/O
Description
48
AVDD0
-
Power supply terminal (+3.3V)
49
AVSS0
-
Ground terminal
50
E
I
E signal input from the optical pick-up block
51
F
I
F signal input from the optical pick-up block
52
TEI
I
Tracking error signal input terminal
53
TEO
O
Tracking error signal output terminal
54
FEI
I
Focus error signal input terminal
55
FEO
O
Focus error signal output terminal
56
VC
O
Middle point voltage output terminal
57
A
I
A signal input from the optical pick-up block
58
B
I
B signal input from the optical pick-up block
59
C
I
C signal input from the optical pick-up block
60
D
I
D signal input from the optical pick-up block
61
AVDD4
-
Power supply terminal (+3.3V)
62
RFDCO
O
Not used
63
PDSENS
I
Not used
64
AC_SUM
O
RFAC summing amplifier signal output terminal
65
EQ_IN
I
RF equalizer circuit input terminal
66
LD
O
Laser diode on/off control signal output to the automatic power control circuit
"L": laser off, "H": laser on
"L": laser off, "H": laser on
67
PD
I
Light amount monitor input from the optical pick-up block laser diode
68
RFC
I
Equalizer cut off frequency adjustment terminal
69
AVSS4
-
Ground terminal
70
RFACO
O
EFM signal output terminal
71
RFACI
I
EFM signal input terminal
72
AVDD3
-
Power supply terminal (+3.3V)
73
BIAS
I
Asymmetry circuit constant current input terminal
74
ASYI
I
Playback EFM asymmetry comparator voltage input terminal
75
ASYO
O
Playback EFM full-swing output terminal
76
VPCO
O
Charge pump output terminal for broad-band EFM PLL
77
VCTL
I
VCO2 control voltage input terminal for broad-band EFM PLL
78
AVSS3
-
Ground terminal
79
CLTV
I
VCO1 control voltage input terminal for multiplier
80
FILO
O
Filter output terminal for master PLL
81
FILI
I
Filter input terminal for master PLL
82
PCO
O
Charge pump output terminal for master PLL
83
SVSS
-
Ground terminal
84
SVDD
-
Power supply terminal (+1.8V)
85
SSTB-MP3
I
MP3 standby on/off control signal input terminal "L": standby Not used
86
VDD
-
Power supply terminal (+1.8V)
87
VSS
-
Ground terminal
88
TEST1
I
Test terminal Normally: fixed at "L"
89
DATA
I
CD serial data input from the system controller
90
CLK2
I
MP3 serial data transfer clock signal input from the system controller
91
SVSS
-
Ground terminal
92
SVDD
-
Power supply terminal (+2.5V)
93
JTAGTCK
-
Not used
94
JTAGTDI
-
Not used
95
JTAGTDO
-
Not used
96
JTAGTMS
-
Not used
31
HCD-NEZ50
Pin No.
Pin Name
I/O
Description
97
TRST
-
Not used
98
VSS
-
Ground terminal
99
VDD
-
Power supply terminal (+1.8V)
100
IOVDD2
-
Power supply terminal (+3.3V)
101
DOUT
O
Digital audio signal output terminal Not used
102
TEST
I
Test terminal Normally: fixed at "L"
103
TES1
I
Test terminal Normally: fixed at "L"
104
IOVSS2
-
Ground terminal
105
PLLVDD
-
Power supply terminal (+1.8V)
106
PLLVSS
-
Ground terminal
107
XVSS
-
Ground terminal
108
XTAO
O
System clock output terminal (16.9344 MHz)
109
XTAI
I
System clock input terminal (16.9344 MHz)
110
XVDD
-
Power supply terminal (+1.8V)
111
AVDD1
-
Power supply terminal (+3.3V)
112
AOUT1
O
L-ch analog audio signal output terminal
113
VREFL
O
L-ch reference voltage output terminal
114
AVSS1
-
Ground terminal
115
AVSS2
-
Ground terminal
116
VREFR
O
R-ch reference voltage output terminal
117
AOUT2
O
R-ch analog audio signal output terminal
118
AVDD1
-
Power supply terminal (+3.3V)
119
IOVDD0
-
Power supply terminal (+3.3V)
120
IOVSS0
-
Ground terminal
32
HCD-NEZ50
PANEL BOARD IC801 MB90803PF-G-115E1 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
SEG32
O
Segment drive signal output to the liquid crystal display
2
STK-ON
O
Standby control signal output to the power amplifier
3
O-CD-XRST
O
System reset signal output to the CD DSP
4
O-FUNCTION
IC-DATA
O
Serial data output to the electrical volume
5
O-MP3-DATA
O
MP3 serial data output to the CD DSP
6
O-MP3-CLK
O
MP3 serial data transfer clock signal output to the CD DSP
7
I-MP3-DATA
I
MP3 serial data input terminal
8
O-CD-XLAT
O
CD serial data latch pulse signa output to the CD DSP
9
I-RMC (SIRCS)
I
Remote control signal input from the remote control receiver
10
O-XLAT-MP3
O
MP3 serial data latch pulse signal output to the CD DSP
11
O-MP3-SSTB
O
System reset signal output to the motor/coil driver
12
O-REQ-MP3
O
MP3 data request signal output to the CD DSP
13
X0A
I
Sub system clock input terminal (32.768 kHz)
14
X1A
O
Sub system clock output terminal (32.768 kHz)
15
VCC
-
Power supply terminal (+3.2V)
16
VSS
-
Ground terminal
17
O-LED-STBY
O
LED drive signal output terminal for STANDBY indicater
18
O-TC-BIAS
O
Recording bias on/off selection signal output terminal "H": bias on, "L": bias off
19
O-TC-REC/PB
O
Recording/playback selection signal output terminal "H": playback mode, "L": recording mode
20
I-TU-SDC
I
Not used
21
I-TC-END SW
I
END switch signal input from the tape mechanism deck
22
O-TC-SOL
O
Trigger plunger on/off control signal output terminal "H": plunger on
23
O-TC-MOTOR
O
Capstan/reel motor on/off control signal output terminal "H": motor on
24
I-TU-SD (TUNED)
I
Tuning detection signal input from the tuner (FM/AM)
25
BACK LIGHT
O
LED drive signal output terminal for liquid crystal display back light
26
-
-
Not used
27
I-TU-RDS-DATA
I
RDS serial data input terminal Used for the AEP, UK models only
28
I-SW_CD-LID
I
CD lid open/close detection switch input terminal "L": CD lid close
29
I-CD-SENS
I
Internal status (SENSE) signal input from the CD DSP
30
O-CD-CLK
O
CD serial data transfer clock signal output to the CD DSP
31
O-CD-DATA
O
CD serial data output to the CD DSP
32
AVCC
-
Power supply terminal (+3.2V)
33
I-TU-DO
I
Serial data input from the tuner (FM/AM)
34
O-CD-XTACN
O
Oscillator control signal output to the CD DSP
35
AVSS
-
Ground terminal
36
I-P-MONI
I
Power monitor input terminal
37
I-KEY_1
I
Front panel key input terminal (A/D input)
38
I-TC-REC/PLAY
I
Recording-proof claw (forward/reverse) detect switch and cassette in detect switch input terminal
39
O-SYS MUTE
O
Line muting on/off control signal output terminal Not used
40
O-AMP MUTE
O
Muting on/off control signal output terminal Not used
41
I-KEY0/WAKE-UP
I
Key interruption processing start signal and front panel key input terminal (A/D input)
42
ACCUT
I
Power down detection signal input terminal "L": power down, normally : "H"
43
I-CD-SCOR
I
Subcode sync (S0+S1) detection signal input from the CD DSP
44
VSS
-
Ground terminal
45
I-TU-RDS-CLK
I
RDS serial data transfer clock signal input terminal Used for the AEP, UK models only
Ver. 1.1
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