Sony CMT-NEZ3 / CMT-NEZ5 / HCD-NEZ3 / HCD-NEZ5 Service Manual ▷ View online
33
HCD-NEZ3/NEZ5
•
IC PIN FUNCTION DESCRIPITION
PANEL BOARD IC1801 M30620FCPFP (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1 to 4
-
-
Not used
5
STBYLED
O
LED drive signal output terminal for STANDBY indicate
6
POWER ON
O
Power relay drive signal output terminal "H": on
7
SIRCS
I
Remote control signal input from the remote control receiver
8
VSS
-
Ground terminal
9
CNVSS
-
Not used
10
XT1
I
Sub system clock input terminal (32.768 kHz)
11
XT2
O
Sub system clock output terminal (32.768 kHz)
12
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"
13
CF1
I
Main system clock input terminal (10 MHz)
14
VSS1
-
Ground terminal
15
CF2
O
Main system clock output terminal (10 MHz)
16
VDD1
-
Power supply terminal (+3.3V)
17
-
-
Not used
18
RDS INT
I
RDS serial data transfer clock signal input from the tuner unit (NEZ5: AEP, East European,
Russian, UK models only)
Russian, UK models only)
19
CD SCOR
I
Subcode sync (S0+S1) detection signal input from the CD DSP
20
ACCUT
I
Power down detection signal input terminal "L": power down, normally : "H"
21 to 27
-
-
Not used
28
MP3CLK
O
Serial data transfer clock signal output to the MP3 decoder
29
MP3DI
I
Serial data input from the MP3 decoder
30
MP3DO
O
Serial data output to the MP3 decoder
31
CDDATA
O
Serial data output to the CD DSP
32
SENS
I
Internal status (SENSE) signal input from the CD DSP
33
CDCLK
O
Serial data transfer clock signal output to the CD DSP
34
-
-
Not used
35
LCDDATA
O
Serial data output to the liquid crystal display
36
LCDCLK
O
Serial data transfer clock signal output to the liquid crystal display
37 to 40
-
-
Not used
41
XHOLD
-
Not used
42 to 45
-
-
Not used
46
XWR
-
Not used
47
RDSDATA
I
RDS serial data input from the tuner unit (NEZ5: AEP, East European, Russian, UK models only)
48
TUNED
I
Tuning detection signal input from the tuner unit
49
STCE
O
Chip enable signal output to the tuner unit
50
DOUT
O
Serial data output to the tuner unit
51
STCLK
O
serial data transfer clock signal output to the tuner unit
52
-
-
Not used
53
STDIN
I
Serial data input from the tuner unit
54
STEREO
I
FM stereo detection signal input from the tuner unit
55
STMUTE
O
Tuner muting on/off control signal output to the tuner unit
56
BIAS
O
Recording bias on/off selection signal output terminal
"H": bias on, "L": bias off
"H": bias on, "L": bias off
57
REC/PB
O
Recording/playback selection signal output terminal "H": playback mode, "L": recording mode
58
FDATA
O
Serial data output to the electrical volume
34
HCD-NEZ3/NEZ5
Pin No.
Pin Name
I/O
Description
59
TAMUTE
O
Line muting on/off control signal output terminal Not used
61
AMPSTBY
O
Standby control signal output to the power amplifier
62
VDD2
-
Power supply terminal (+3.3V)
63
-
-
Not used
64
VSS
-
Ground terminal
65
CDON
O
Power on/off control signal output for the CD mechanism section
66
XTCN
O
Oscillation circuit control signal output to the CD DSP
"H": auto oscillation, "L": oscillation off
"H": auto oscillation, "L": oscillation off
67
XRST
O
Reset signal output to the CD DSP
68
XLT
O
Serial data latch pulse output to the CD DSP
69
MP3REQ
I
Request signal input from the MP3 decoder
70
MILP
O
Serial data latch pulse output to the MP3 decoder
71
MP3STB
O
Standby control signal output to the MP3 decoder
72
MIACK
I
Acknowledge signal input from the MP3 decoder
73
MICS
O
Chip select signal output to the MP3 decoder
74
KEYWAKEUP
I
Key interruption processing start signal input terminal
75
MP3RST
O
Reset signal output to the MP3 decoder
76
BACKLIGHT
O
LED drive signal output terminal for LCD back light
77
CD OPEN
I
CD lid open/close detection switch input terminal
78
TCPLAY
I
PLAY switch signal input from the tape mechanism deck
79
ENDSW
I
END switch signal input from the tape mechanism deck
80
SOL
O
Trigger plunger on/off control signal output terminal "H": plunger on
81
TCMOTOR
O
Capstan/reel motor on/off control signal output terminal "H": motor on
82 to 86
-
-
Not used
87
I POWER
MONITOR
I
Power monitor input terminal
88
-
-
Not used
89, 90
KEY1, KEY0
I
Front panel key input terminal (A/D input)
91, 92
-
-
Not used
93
DEST
I
Model destination setting terminal
94
TC HARF/REC
I
Recording-proof claw (forward/reverse) detect switch and cassette in detect switch input terminal
95
-
-
Not used
96
VSS3
-
Ground terminal
97
VOL ENCORDER
I
Dial pulse input of the rotary encoder (for VOLUME control)
98
VREF
I
Reference voltage (+3.3V) input terminal
99
AVCC
-
Power supply terminal (+3.3V)
100
-
-
Not used
35
HCD-NEZ3/NEZ5
SECTION 8
EXPLODED VIEWS
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
•
The mechanical parts with no reference
number in the exploded views are not supplied.
number in the exploded views are not supplied.
•
Accessories are given in the last of the
electrical parts list.
electrical parts list.
NOTE:
•
-XX and -X mean standardized parts, so they
may have some difference from the original
one.
may have some difference from the original
one.
•
Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
Example:
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color
Cabinet's Color
Les composants identifiés par une
marque 0 sont critiquens pour la
sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.
marque 0 sont critiquens pour la
sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.
The components identified by mark
0 or dotted line with mark 0 are
critical for safety.
Replace only with part number
specified.
0 or dotted line with mark 0 are
critical for safety.
Replace only with part number
specified.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
4-247-752-01 FOOT, RUBBER
2
4-951-620-01 SCREW (2.6X8), +BVTP
3
2-581-397-02 CABINET (NEZ3: US)
3
2-581-397-12 CABINET (NEZ3: CND)
3
2-581-399-02 CABINET
(NEZ3: AEP, UK, EE, RU, MX, TW, AR, KR, AUS)
3
2-581-399-12 CABINET (NEZ3: E, E51, SP)
3
2-581-399-22 CABINET (NEZ3: EA)
3
2-581-402-22 CABINET (SILVER)
(NEZ5: CND, AEP, UK, EE, RU, MX, TW, AR, KR)
3
2-581-402-32 CABINET (WHITE) (NEZ5: KR)
3
2-581-402-42 CABINET (SILVER) (NEZ5: E, E51, SP)
3
2-581-402-52 CABINET (WHITE) (NEZ5: SP)
4
4-671-016-01 SCREW (FAN) (NEZ5)
M301
1-787-103-11 FAN, DC (NEZ5)
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S
#2
7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S
8-1.
CABINET SECTION
1
1
(NEZ5)
(NEZ5)
2
2
3
4
cabinet (top) section
mechanical deck section,
PANEL board section
PANEL board section
AC board,
DC board
section
DC board
section
MAIN board section
not supplied
not
supplied
M301
not supplied
not supplied
#1
#1
#2
#1
#2
•
Abbreviation
AR
AR
: Argentina model
AUS : Australian model
CND : Canadian model
CND : Canadian model
E51 : Chirean and Peruvian model
EA
EA
: Saudi Arabia model
EE
: East European model
KR
: Korean model
MX : Mexican model
RU
RU
: Russian model
SP
: Singapore model
TW : Taiwan model
36
HCD-NEZ3/NEZ5
8-2.
MECHANICAL DECK SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
X-2048-718-1 LID ASSY, CASSETTE (SILVER)
51
X-2050-327-1 LID ASSY, CASSETTE (WHITE) (NEZ5)
52
4-245-034-01 SPRING (CASSETTE)
53
2-581-395-01 HOLDER (CASSETTE)
54
4-238-631-01 TAPE SPRING
55
1-796-352-71 DECK, MECHANICAL (CMAL5Z231)
56
4-951-620-01 SCREW (2.6X8), +BVTP
57
A-1090-813-A HEAD PHONE BOARD, COMPLETE
(NEZ3: US, CND)
57
A-1090-905-A HEAD PHONE BOARD, COMPLETE (NEZ5: CND)
57
A-1095-915-A HEAD PHONE BOARD, COMPLETE
(NEZ3: AEP, UK, EE, RU, KR)
57
A-1095-924-A HEAD PHONE BOARD, COMPLETE
(NEZ3: E, E51, EA, MX, SP, TW, AR, AUS)
57
A-1095-934-A HEAD PHONE BOARD, COMPLETE
(NEZ5: AEP, UK, EE, RU)
57
A-1095-972-A HEAD PHONE BOARD, COMPLETE
(NEZ5: E, E51, MX, TW, AR, SP)
57
A-1102-061-A HEAD PHONE BOARD, COMPLETE (NEZ5: KR)
58
4-933-134-11 SCREW (+PTPWH M2.6X8)
59
4-224-104-41 DAMPER
60
4-231-841-01 SPRING (HEART CAM-B)
61
4-231-825-01 CAM (B), HEART
62
2-655-725-01 BELT (MAIN)
63
2-655-726-01 BELT (MO), F/R
FFC501
1-830-584-12 WIRE (FLAT TYPE) (13 CORE)
51
60
52
61
53
56
62
63
56
54
55
57
58
59
FFC501
HEAD PHONE board
not supplied
(EPT500)
(EPT500)
not supplied
(WIRE200)
(WIRE200)
not supplied
not supplied
PANEL board section
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