Sony CMT-NEZ50 (serv.man2) Service Manual ▷ View online
33
HCD-NEZ50
PLACA PAINEL 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
34
HCD-NEZ50
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
35
HCD-NEZ50
SEÇÃO 8
VISTA EXPLODIDA
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1 4-247-752-01 PE DE BORRACHA
2
2
3-087-053-01 +BVTP2.6 (3CR)
3 2-662-817-51 GABINETE TRASEIRA
4 4-671-016-01 PARAFUSO (FAN)
4 4-671-016-01 PARAFUSO (FAN)
M301 1-787-103-11 VENTILADOR, DC
#1 7-685-646-79 PARAFUSO +BVTP 3X8 TYPE2 N-S
#2 7-685-647-79 PARAFUSO +BVTP 3X10 TYPE2 N-S
#4 7-685-871-01 PARAFUSO +BVTT 3X6 (S)
#1 7-685-646-79 PARAFUSO +BVTP 3X8 TYPE2 N-S
#2 7-685-647-79 PARAFUSO +BVTP 3X10 TYPE2 N-S
#4 7-685-871-01 PARAFUSO +BVTT 3X6 (S)
8-1. SEÇÃO GABINETE
1
1
2
2
3
4
seção de gabinete superior
M301
seção mecanismo do deck
seção placa PRINCIPAL
não fornecido
#1
#4
#4
#2
#1
#2
Os componentes identificados com
a marca 0 são críticos para a segu-
rança. Somente os substitua por pe-
ças numericamente identificadas
nesse manual.
a marca 0 são críticos para a segu-
rança. Somente os substitua por pe-
ças numericamente identificadas
nesse manual.
• Para substituição da placa montada
consulte o Suporte Técnico.
•
Items marcados com “*” são estocados visto
que são raramente solicitados para serviço de
rotina. Algum atraso deverá previsto quando
solicitar esses itens.
rotina. Algum atraso deverá previsto quando
solicitar esses itens.
•
As peças mecânicas sem o número de referência
nas vistas explodidas não são fornecidas.
NOTA:
•
-XX e -X são peças padronizadas, portanto
elas podem ter alguma diferença da original.
36
HCD-NEZ50
8-2. SEÇÃO MECANISMO DA FITA
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51 X-2108-052-1 TAMPA CASSETE MONTADO
52 2-663-747-01 MOLA, CASSETE
53 2-581-395-01 COMPARTIMENTO (CASSETE)
54 4-238-631-01 MOLA DETETORA (FITA)
55 1-797-510-11 MECANISMO DA FITA (CMAL5Z235A)
52 2-663-747-01 MOLA, CASSETE
53 2-581-395-01 COMPARTIMENTO (CASSETE)
54 4-238-631-01 MOLA DETETORA (FITA)
55 1-797-510-11 MECANISMO DA FITA (CMAL5Z235A)
56
3-087-053-01 +BVTP2.6 (3CR)
57
PLACA HEAD PHONE MONTADA
58 4-933-134-11 PARAFUSO (+PTPWH M2.6X8)
59 4-224-104-41 AMORTECEDOR
59 4-224-104-41 AMORTECEDOR
60 4-231-841-01 MOLA (HEART CAM-B)
61
61
4-231-825-01 CAM (B), HEART
62 2-655-725-01 CORREIA (MAIN)
63 2-655-726-01 CORREIA (MO), F/R
64
63 2-655-726-01 CORREIA (MO), F/R
64
PLACA AUDIO IN MONTADA
FFC501 1-831-785-21 CABO FLAT FLEXIVEL (13 VIAS)
51
60
52
61
53
56
62
63
56
54
55
64
57
58
59
58
FFC501
placa HEAD PHONE
não fornecido
não fornecido
não fornecido
seção placa de PAINEL
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