Sony HCD-HPR90 Service Manual - Page 48

St Din/stereo, Power On/off, S-master Data, S-master Shift, Wake Up Key, S-master Init

Get Sony HCD-HPR90 - Receiver Component For Mini Hi-fi Systems PDF manuals and user guides View all Sony HCD-HPR90 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 48 highlights

HCD-HPR90/HPR99XM Pin No. Pin Name I/O 43 CD XLT O 44 MP3 ACK I 45 MP3 REQ O 46 MP3 XLAT O 47 MP3 IREQ I 48 CD XRST O 49 CD XATCN O 50 CD DRIVER MUTE O 51 SEL A O 52 ST TUNED I 53 ST CE O 54 ST DOUT O 55 ST CLK O 56 ST DIN/STEREO I 57 POWER ON/OFF O 58 HP MUTE O 59 SEL B O 60 LINE MUTE O 61 AMP SI O 62 VCC - 63 AMP SC O 64 VSS - 65 SEL INH O 66 S-MASTER PG MUTE O 67 S-MASTER SOFT MUTE O 68 S-MASTER RST O 69 S-MASTER SD O 70 S-MASTER DATA O 71 S-MASTER SHIFT O 72 S-MASTER LATCH O 73 NSP MUTE O 74 WAKE UP KEY I 75 S-MASTER INIT O 76 to 80 - - 81 NO USE O 82 XM POWER 3.3V O 83 XM POWER 5V O 84 AC DET I 85 XM DTIC CMD O 86 EEPROM SDA I 87 EEPROM SCL I 88 STANDBY LED O 89, 90 - - 91 to 93 KEY3 to KEY1 I 94 VOLUME I Description CD serial data latch pulse signal output to the CD DSP MP3 acknowledge signal input from the CD DSP MP3 data request signal output to the CD DSP MP3 serial data latch pulse signal output to the CD DSP MP3 data request signal input from the CD DSP System reset signal output to the CD DSP "L": reset Oscillation circuit on/off control signal output to the CD DSP "L": oscillation stop, "H": self-oscillation Muting signal output to the motor/coil driver Control signal output to the function selector Tuning detection signal input terminal Not used Chip enable signal output to the tuner (FM/AM) Serial data output to the tuner (FM/AM) Serial data transfer clock signal output to the tuner (FM/AM) Serial data and stereo detection signal input from the tuner (FM/AM) Sub power on/off relay drive signal output terminal "H": power on Headphone muting on/off control signal output terminal "H": muting on Control signal output to the function selector Line muting on/off control signal output terminal "H": muting on Serial data output to the electrical volume Power supply terminal (+3.3V) Serial data transfer clock signal output to the electrical volume Ground terminal Control signal output to the function selector PG muting control signal output to the stream processor Soft muting control signal output to the stream processor System reset signal output to the digital power amplifier "L": reset Shut down signal input from the digital power amplifier "L": shut down Serial data output to the stream processor Serial data transfer clock signal output to the stream processor Serial data latch pulse signal output to the stream processor NSP muting control signal output to the stream processor Wake up signal input terminal Initialize signal output to the stream processor Not used Not used Power on/off control signal output terminal for the XM circuit (HPR99XM) Power on/off control signal output terminal for the XM circuit (HPR99XM) AC power detection signal input terminal Command mode select signal output to the XM receiver (HPR99XM) Serial data input from the EEPROM Serial data transfer clock signal input from the EEPROM LED drive signal output terminal for STANDBY indicator "H": LED on Not used Front panel key input terminal (A/D input) Jog dial pulse input from the rotary encoder (VOLUME) (A/D input) 48

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
48
HCD-HPR90/HPR99XM
Pin No.
Pin Name
I/O
Description
43
CD XLT
O
CD serial data latch pulse signal output to the CD DSP
44
MP3 ACK
I
MP3 acknowledge signal input from the CD DSP
45
MP3 REQ
O
MP3 data request signal output to the CD DSP
46
MP3 XLAT
O
MP3 serial data latch pulse signal output to the CD DSP
47
MP3 IREQ
I
MP3 data request signal input from the CD DSP
48
CD XRST
O
System reset signal output to the CD DSP
"L": reset
49
CD XATCN
O
Oscillation circuit on/off control signal output to the CD DSP
"L": oscillation stop, "H": self-oscillation
50
CD DRIVER MUTE
O
Muting signal output to the motor/coil driver
51
SEL A
O
Control signal output to the function selector
52
ST TUNED
I
Tuning detection signal input terminal
Not used
53
ST CE
O
Chip enable signal output to the tuner (FM/AM)
54
ST DOUT
O
Serial data output to the tuner (FM/AM)
55
ST CLK
O
Serial data transfer clock signal output to the tuner (FM/AM)
56
ST DIN/STEREO
I
Serial data and stereo detection signal input from the tuner (FM/AM)
57
POWER ON/OFF
O
Sub power on/off relay drive signal output terminal
"H": power on
58
HP MUTE
O
Headphone muting on/off control signal output terminal
"H": muting on
59
SEL B
O
Control signal output to the function selector
60
LINE MUTE
O
Line muting on/off control signal output terminal
"H": muting on
61
AMP SI
O
Serial data output to the electrical volume
62
VCC
-
Power supply terminal (+3.3V)
63
AMP SC
O
Serial data transfer clock signal output to the electrical volume
64
VSS
-
Ground terminal
65
SEL INH
O
Control signal output to the function selector
66
S-MASTER
PG MUTE
O
PG muting control signal output to the stream processor
67
S-MASTER
SOFT MUTE
O
Soft muting control signal output to the stream processor
68
S-MASTER RST
O
System reset signal output to the digital power amplifier
"L": reset
69
S-MASTER SD
O
Shut down signal input from the digital power amplifier
"L": shut down
70
S-MASTER DATA
O
Serial data output to the stream processor
71
S-MASTER SHIFT
O
Serial data transfer clock signal output to the stream processor
72
S-MASTER LATCH
O
Serial data latch pulse signal output to the stream processor
73
NSP MUTE
O
NSP muting control signal output to the stream processor
74
WAKE UP KEY
I
Wake up signal input terminal
75
S-MASTER INIT
O
Initialize signal output to the stream processor
76 to 80
-
-
Not used
81
NO USE
O
Not used
82
XM POWER 3.3V
O
Power on/off control signal output terminal for the XM circuit (HPR99XM)
83
XM POWER 5V
O
Power on/off control signal output terminal for the XM circuit (HPR99XM)
84
AC DET
I
AC power detection signal input terminal
85
XM DTIC CMD
O
Command mode select signal output to the XM receiver (HPR99XM)
86
EEPROM SDA
I
Serial data input from the EEPROM
87
EEPROM SCL
I
Serial data transfer clock signal input from the EEPROM
88
STANDBY LED
O
LED drive signal output terminal for STANDBY indicator
"H": LED on
89, 90
-
-
Not used
91 to 93
KEY3 to KEY1
I
Front panel key input terminal (A/D input)
94
VOLUME
I
Jog dial pulse input from the rotary encoder (VOLUME) (A/D input)