Sony HCD-HPR90 - Receiver Component For Mini Hi-fi Systems Service Manual page 47

MAIN BOARD IC1301 M30622MEP-A39FPU0 (SYSTEM CONTROLLER) (HPR90)
M30624MGP-A58FPU0 (SYSTEM CONTROLLER) (HPR99XM)
Pin No. Pin Name
1
FL SD
2 FL SCK
3
FL STB
4
SIRCS
5
MP3 DATA OUT
6 MP3 DATA IN
7
MP3 CLK
8
BYTE
9
CNVSS
10 XCIN
11
XCOUT
12 RESET
13
XOUT
14
VSS
15 XIN
16
VCC
17
NMI
RDS INT/
18
XM DTIC IRQ
19 CD SCOR
20
AC CUT
RDS DATA/
21
XM DTIC RST
DLM5B DISC
22
SENS
23
SW8
24 SW7
25
SW6
26
SW5
27
DLM5B E0
28 E3/SW3
29
IIC CLK
30
IIC DATA
31
XM TXD
32 XM RXD
33
E1/SW2
34
E2/SW1
35
CD DATA
36 CD SENS
37
CD CLK
38
CDM SD
39
M2+
40 M2-
41
M1+
42
M1-
I/O
O Serial data output to the fluorescent indicator tube driver
O Serial data transfer clock signal output to the fluorescent indicator tube driver
O Serial interface strobe signal output to the fluorescent indicator tube driver
I SIRCS signal input from the remote control receiver
O MP3 serial data output to the CD DSP
I MP3 serial data input terminal
O MP3 serial data transfer clock signal output to the CD DSP
I External data bus width selection signal input terminal
I Processor mode switch input terminal (for test)
I Sub system clock input terminal (32.768 kHz)
O Sub system clock output terminal (32.768 kHz)
System reset signal input from the reset signal generator "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
O Main system clock output terminal (5 MHz)
- Ground terminal
I Main system clock input terminal (5 MHz)
- Power supply terminal (+3.3V)
I Non-maskable interrupt signal input terminal Not used
I Interrupt request signal input from the XM receiver (HPR99XM)
I Subcode sync (S0+S1) detection signal input from the CD DSP
I AC cut on/off detection signal input terminal "L": AC cut on
O Reset signal output to the XM receiver (HPR99XM)
I Disc sensor signal input terminal
I Disc table open detection switch input terminal
I Disc chucking detection switch input terminal
I Disc table close detection switch input terminal
I Disc stocking detection switch input terminal
I Cam position detection switch input terminal
I Cam position detection switch input terminal
I IIC data reading clock signal input terminal Not used
I IIC data input terminal Not used
O Serial data output to the XM receiver (HPR99XM)
I Serial data input from the XM receiver (HPR99XM)
I Cam position detection switch input terminal
I Cam position detection switch input terminal
O CD serial data output to the CD DSP
I Internal status (SENSE) signal input from the CD DSP
O CD serial data transfer clock signal output to the CD DSP
I CD mechanism power protect on/off detection signal input terminal "H": protect on
O Cam gear motor control signal output terminal (forward direction)
O Cam gear motor control signal output terminal (reverse direction)
O Loading motor control signal output terminal (forward direction)
O Loading motor control signal output terminal (reverse direction)
HCD-HPR90/HPR99XM
Description
47