Service manual

78
Pin No. Pin Name I/O Description
46
OPT-SEL O Optical signal selection signal output terminal Not used (open)
47
62DATA O Serial data output to the M62428AFP (IC301)
48
62CLK O Serial data transfer clock signal output to the M62428AFP (IC301)
49 ST-MUTE O
Tuner muting control signal output to the tuner pack “L”: muting on
50 STEREO I
FM stereo detection signal input from the tuner pack
51 TUNED I
Tuning detection signal input from the tuner pack
52 ST-CE O
PLL chip enable signal output to the tuner pack
53 ST-DOUT O
PLL serial data output to the tuner pack
54 ST-DIN I
PLL serial data input from the tuner pack
55 ST-CLK O
PLL serial data transfer clock signal output to the tuner pack
56
SENSE I Internal status detection monitor input from the CXD2587Q (IC101)
57
HOLD O Automatic power control hold signal output to the CXA2568M (IC103)
58
CD-LAT O Serial data latch pulse output to the CXD2587Q (IC101)
59
CD-RESET O Reset signal output to the CXD2587Q (IC101) and BA5974FP (IC102)
60 DISC-SENS I
Detection input from the disc in detect switch Not used (fixed at “H”)
61
TABLE-SENS
I
Detection input from the disc tray detect switch Not used (fixed at “H”)
62
VCC — Power supply terminal (+5V)
63
TABLE-L O Disc tray open/close motor drive signal output terminal Not used (open)
64 VSS
— Ground terminal
65
TABLE-R O Disc tray open/close motor drive signal output terminal Not used (open)
66
LOAD-OUT O CD loading motor control signal output to the motor driver (IC171)
67
LOAD-IN O CD loading motor control signal output to the motor driver (IC171)
68
UP-SW I Not used (fixed at “L”)
69
DISC-LED I Not used (fixed at “L”)
70 IN-SW
I
Detection input from the CD disc tray open/close detect switch (S1)
“L”: CD disc tray close
71
OUT-SW I
Detection input from the CD disc tray open/close detect switch (S1)
“L”: CD disc tray open
72
LED O LED drive signal output of the CD playback indicator (D665 (green)) “L”: LED on
73
LED O LED drive signal output of the MD disc in indicator (D664) “H”: LED on
74
LED O LED drive signal output of the MD playback indicator (D661 (green)) “L”: LED on
75
LED O LED drive signal output of the MD pause indicator (D661 (amber)) “L”: LED on
76
LED O LED drive signal output of the CD playback indicator (D665 (amber)) “L”: LED on
77
LED O LED drive signal output of the CD disc in indicator (D667) “H”: LED on
78
LED O LED drive signal output of the MD recording indicator (D663) “H”: LED on
79
STANDBY O LED drive signal output of the standby indicator (D668) “H”: LED on
80
LED O LED drive signal output terminal Not used (open)
81 CD-DATA O
Serial data output to the CXD2587Q (IC101)
82 CD-CLK O
Serial data transfer clock signal output to the CXD2587Q (IC101)
83 REC OUT CONT
O Muting on/off control signal output of tape output signal “L”: muting on
84
JOGA I Jog dial pulse input from the rotary encoder A phase input Not used (open)
85
JOGB I Jog dial pulse input from the rotary encoder B phase input Not used (open)
86 VOL A I
Jog dial pulse input from the rotary encoder (S601 VOLUME) A phase input
87 VOL B I
Jog dial pulse input from the rotary encoder (S601 VOLUME) B phase input
88 SIRCS
I Remote control signal input from the remote control receiver (IC602)
89
KEY0 I Key input terminal (A/D input) S602 (I/1 key input)