Sony HCD-NEZ30 - Cd Deck Receiver Component Service Manual page 34

HCD-NEZ30
Ver. 1.2
PANEL BOARD IC801 MB90803PF-G-115E1 (SYSTEM CONTROLLER)
Pin No. Pin Name
1
SEG32
2 STK-ON
3
O-CD-XRST
O-FUNCTION
4
IC-DATA
5
O-MP3-DATA
6
O-MP3-CLK
7
I-MP3-DATA
8
O-CD-XLAT
9 I-RMC (SIRCS)
10
O-XLAT-MP3
11 O-MP3-SSTB
12
O-REQ-MP3
13 X0A
14
X1A
15 VCC
16
VSS
17 O-LED-STBY
18 O-TC-BIAS
19 O-TC-REC/PB
20
I-TU-SDC
21 I-TC-END SW
22 O-TC-SOL
23
O-TC-MOTOR
24
I-TU-SD (TUNED)
25
BACK LIGHT
26 -
27
I-TU-RDS-DATA
28
I-SW_CD-LID
29 I-CD-SENS
30
O-CD-CLK
31
O-CD-DATA
32 AVCC
33
I-TU-DO
34
O-CD-XTACN
35
AVSS
36 I-P-MONI
37
I-KEY_1
38 I-TC-REC/PLAY
39
O-SYS MUTE
40 O-AMP MUTE
41 I-KEY0/WAKE-UP
42 ACCUT
43 I-CD-SCOR
44
VSS
45
I-TU-RDS-CLK
34
I/O
O
Segment drive signal output to the liquid crystal display
O Standby control signal output to the power amplifier
O System reset signal output to the CD DSP
O
Serial data output to the electrical volume
O MP3 serial data output to the CD DSP
O MP3 serial data transfer clock signal output to the CD DSP
I MP3 serial data input terminal
O CD serial data latch pulse signa output to the CD DSP
I Remote control signal input from the remote control receiver
O MP3 serial data latch pulse signal output to the CD DSP
O System reset signal output to the motor/coil driver
O MP3 data request signal output to the CD DSP
I Sub system clock input terminal (32.768 kHz)
O Sub system clock output terminal (32.768 kHz)
-
Power supply terminal (+3.2V)
- Ground terminal
O
LED drive signal output terminal for STANDBY indicater
O Recording bias on/off selection signal output terminal "H": bias on, "L": bias off
O
Recording/playback selection signal output terminal "H": playback mode, "L": recording mode
I Not used
I END switch signal input from the tape mechanism deck
O
Trigger plunger on/off control signal output terminal "H": plunger on
O
Capstan/reel motor on/off control signal output terminal "H": motor on
I Tuning detection signal input from the tuner (FM/AM)
O LED drive signal output terminal for liquid crystal display back light
- Not used
I RDS serial data input terminal Not used
I CD lid open/close detection switch input terminal "L": CD lid close
I Internal status (SENSE) signal input from the CD DSP
O CD serial data transfer clock signal output to the CD DSP
O CD serial data output to the CD DSP
- Power supply terminal (+3.2V)
I Serial data input from the tuner (FM/AM)
O Oscillator control signal output to the CD DSP
- Ground terminal
I Power monitor input terminal
I Front panel key input terminal (A/D input)
I Recording-proof claw (forward/reverse) detect switch and cassette in detect switch input terminal
O Line muting on/off control signal output terminal Not used
O Muting on/off control signal output terminal Not used
I
Key interruption processing start signal and front panel key input terminal (A/D input)
I
Power down detection signal input terminal "L": power down, normally : "H"
I Subcode sync (S0+S1) detection signal input from the CD DSP
- Ground terminal
I RDS serial data transfer clock signal input terminal Not used
Description