Sony HCD-MD1EX - System Service Manual page 72

Pin No. Pin Name
45 RESET
46 SUBQ
47 NC
48 SQCLK
49 CLOCK
50 DATA
51 XLT
52 PRGL (DF-LAT)
53 SENSE
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 to 66 —
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 DATA
79 CLOCK
80 LAT
81
GND
82
STEREO
83 TUNED
84 DATA-IN
85 DATA-OUT
86 CLOCK
*1 CD lid open/close motor (M103) control
Mode
Terminal
LOAD-OUT (pin %¶)
LOAD-IN (pin %•)
I/O
O
Reset signal output to the FL driver (IC901) "L": reset
I
Subcode Q data input from the CXD2507AQ (IC103)
O
Not used (open)
O
Subcode Q data reading clock signal output to the CXD2507AQ (IC103)
O
Serial data transfer clock signal output to the CXD2507AQ (IC103) and PCM1710U (IC104)
O Serial data output to the CXD2507AQ (IC103) and PCM1710U (IC104)
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 input from the CXD2507AQ (IC103)
I
Setting terminal for the CD test mode "L": CD test mode Normally: fixed at "H"
I
Detection input from the disc detect switch (S104) "L": disc in
I
Detection input from the disc detect (S104) "L": disc out
O Motor control signal output to the CD lid open/close motor driver (IC702) "L" active *1
O
Motor control signal output to the CD lid open/close motor driver (IC702) "L" active *1
O Focus gain control signal output to the CXA1782BQ (IC101) "L": normal, "H": down
Reset signal output to the CXA1782BQ (IC101), BA6297FP (IC102) and CXD2507AQ (IC103)
O
"L": reset
O
CD servo system power supply on/off control signal output terminal "H": power on
Tuner system power supply on/off control signal output terminal "H": power on
O
Not used (open)
O Digital input selection signal output terminal Not used (open)
O Not used (open)
O LED drive signal output of the MD disc slot indicator (D906) "L": LED on
O LED drive signal output of the REC indicator (D905) "L": LED on
O LED drive signal output of the CD P indicator (D907 amber) "L": LED on
LED drive signal output of the CD ( indicator (D907 green) "L": LED on
O
— Ground terminal
O LED drive signal output of the MD P indicator (D903 amber) "L": LED on
O LED drive signal output of the MD ( indicator (D903 green) "L": LED on
O DBFB on/off control signal output terminal "L": DBFB on
O Muting on/off control signal output for the TAPE OUT signal "L": muting on
O Audio muting on/off control signal output terminal
O –6 dB attenuator control signal output for the TAPE IN signal "L": attenuator on
O Serial data output to the M62428AFP (IC705)
O
Serial data transfer clock signal output to the M62428AFP (IC705)
O Serial data latch pulse signal output to the M62428AFP (IC705)
— Ground terminal
I FM stereo detection signal input from the FM/AM tuner unit "L": stereo
I
Tuning detection signal input from the FM/AM tuner unit "L": tuned, "H"; detuned
I PLL serial data input from the FM/AM tuner unit
O PLL serial data output to the FM/AM tuner unit
O PLL serial data transfer clock signal output to the FM/AM tuner unit
OFF OPEN
"H" "L"
"H" "H"
Function
CLOSE
"H"
"L"
– 94 –
BRAKE
"L"
"L"