Sony HCD-MD333 - Hi Fi Cd/minidisc Component Service Manual page 69

Compact disc deck receiver
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Pin No.
Pin Name
48
BD SQCLK
49
BD CLOCK
50
BD DATA
51
XLT
52
PRGL (DF. LAT)
53
SENCE
54
ADJ
55
IN-SW
56
OUT-SW
57
LOAD-OUT
58
LOAD-IN
59
FOCUS-SW
60
BD-REST
61
CD-POWER
62
ST-POWER
63
D. IN. SELECT
64, 65
66
LED-CD. DISC
67
LED-MD. DISC
68
LED-MD. REC
69
LED-CD. PAUSE
70
LED-CD. PLAY
71
VSS
72
LED-MD. PAUSE
73
LED-MD. PLAY
74
DBFB
75
RECOUT. MUTE
76
MUTE
77
ATT/6DB
78
SOUND/IC DATA
79
SOUND/IC CLOCK
80
SOUND/IC LAT
81
(GND)
82
ST STEREO
83
ST TUNED
84
ST DATA-IN
85
ST DATA-OUT
86
ST CLOCK
87
ST CE
88
ST MUTE
89
FM/AM SELECT
90
SIRCUS
91
92
93
FAN SPEED
94
FAN STOP
95 to 99
100
BACKUP
I/O
O
Sub-code Q data reading clock signal output to the CXD2507AQ (IC103)
O
Serial data clock signal output to the CXD2507AQ (IC103)
O
Serial data output to the CXD2507AQ (IC103)
O
Serial data latch pulse signal output to the CXD2507AQ (IC103)
O
Serial data latch pulse signal output to the PCM1710U (IC104)
I
Internal status (SENSE) signal input from the CXD2507AQ (IC103)
I
Test mode input terminal "H': normal (fixed at "H" in this set)
I
Disc tray close complete signal input terminal "L": Completed
I
Disc tray open complete signal input terminal "L" Completed
O
Disc tray loading out signal output to the motor driver (IC801)
O
Disc tray loading in signal output to the motor driver (IC801)
O
Focus gain selection switch signal output terminal "L": normal "H": down
O
BD block reset signal output terminal "L": reset
O
CD power on/off signal output to the CD power regulator (Q561, 562)
O
ST power on/off signal output terminal Not used (open)
O
Optical/CD select signal output terminal "H": optical "L": CD
Not used
O
CD INDICATOR LED (D908) drive signal output terminal
O
MD INDICATOR LED (D905) drive signal output terminal
r LED (D904) drive signal output terminal
O
P (CD) LED (D907) drive signal output terminal
O
( (CD) LED (D906) drive signal output terminal
O
Ground terminal
P (MD) LED (D903) drive signal output terminal
O
( (MD) LED (D902) drive signal output terminal
O
O
DBFB on/off signal output terminal "L": on
O
Rec mute (tape) signal output terminal "L": mute
O
Mute signal output terminal
O
Tape input level attenuate signal output terminal
O
Graphic equalizer data signal output to the M62428FP (IC701)
O
Graphic equalizer data clock signal output to the M62428FP (IC701)
O
Graphic equalizer data latch pulse signal output to the M62428FP (IC701)
Ground terminal
I
Stereo detection signal input from the tuner
I
Tuned detection signal input from the tuner
I
Data signal input from the tuner
O
Data signal output to the tuner
O
Data transfer clock signal output to the tuner
O
Chip enable signal output to the tuner
O
Mute signal output to the tuner
O
FM/AM select signal output Not used (open)
I
Remote control signal input from the remote control receiver (IC902)
Not used (open)
Connecting to ground
O
Fan speed control signal output terminal Not used (open)
O
Fan on/off signal output terminal Not used (open)
Connecting to ground
I
System reset signal input from the reset signal generator (IC602)
– 95 –
Function

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