Sony CMT-NEZ3 / CMT-NEZ5 / HCD-NEZ3 / HCD-NEZ5 (serv.man2) Service Manual ▷ View online
25
HCD-NEZ3/NEZ5
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
26
HCD-NEZ3/NEZ5
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
27
HCD-NEZ3/NEZ5
PANEL BOARD IC801 MB90803-104 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
SEG32
O
Segment drive signal output to the liquid crystal display
2
O-AMPICSTBY
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-TC-PLAY SW
I
PLAY switch signal input from the tape mechanism deck
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-TUNED
I
Tuning detection signal input from the tuner (FM/AM)
25
I-TU-STEREO
I
FM stereo detection signal input from the tuner (FM/AM)
26
O-TU-MUTE
O
Tuner muting on/off control signal output to the tuner (FM/AM)
27
I-TU-RDS-DATA
I
RDS serial data input from the tuner (FM/AM) (NEZ5 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
Tuner muting on/off control signal output to the power amplifier
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 from the tuner (FM/AM) (NEZ5 only)
28
HCD-NEZ3/NEZ5
Pin No.
Pin Name
I/O
Description
46
O-POWER
O
Power relay drive signal output terminal "H": on
47
I-SUFFIX
I
Model destination setting terminal
48
I-RE-VOL
I
Dial pulse input of the rotary encoder (for VOLUME control)
49
I-MP3-REQ
I
MP3 data request signal input from the CD DSP
50
I-MP3-ACK
I
MP3 acknowledge signal input from the CD DSP
51 to 53
MD2 to MD0
-
Not used
54
RESET
I
Reset signal input from the reset switch "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"
55
O-TU-CE
O
Chip enable signal output to the tuner (FM/AM)
56
O-TU-CLK
O
serial data transfer clock signal output to the tuner (FM/AM)
57
O-TU-DI
O
Serial data output to the tuner (FM/AM)
58
VLCD
-
Terminal for doubler circuit capacitor connection to develop liquid crystal display drive voltage
59 to 62
COM0 to COM3
O
Common drive signal output to the liquid crystal display
63, 64
SEG0, SEG1
O
Segment drive signal output to the liquid crystal display
65
VCC
-
Power supply terminal (+3.2V)
66
GND
-
Ground terminal
67 to 89
SEG2 to SEG24
O
Segment drive signal output to the liquid crystal display
90
VCC
-
Power supply terminal (+3.2V)
91
VSS
-
Ground terminal
92
XI
I
Main system clock input terminal (4.19 MHz)
93
XO
O
Main system clock output terminal (4.19 MHz)
94 to 100 SEG25 to SEG31
O
Segment drive signal output to the liquid crystal display
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