Sony HCD-XB66 - Page 23

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Pin No. Pin Name I/O Function
44 COM-DOUT O
Serial data output to the M62427FP (IC201)
45 COM-CLK O
Serial data transfer clock signal output to the M62427FP (IC201)
46 CD-POWER O
Power on/off control signal output for the CD mechanism deck section
“H”: power on, “L”: standby
47 CD-DATA O
Serial data output to the CXD2519Q (IC103)
48 CD-CLK O
Serial data transfer clock signal output to the CXD2519Q (IC103)
49 MSM-CND O
Command data output terminal Not used (open)
50 MSM-BUSY I
Busy signal input terminal “L”: busy status Not used (fixed at “L”)
51 MSM-LAT O
Serial data latch pulse output terminal Not used (open)
52 MSM-NAR O
NAR signal output terminal Not used (open)
53 MSM-CH O
Channel select signal output terminal Not used (open)
54
INPUT-
CHANGE
O
Attenuate control (–5 dB) signal output for the input gain control
“L”: VIDEO, “H”: MD
55 IIC-DATA I/O
Communication data bus with the fluorescent indicator tube driver (IC601)
56 IIC-CLK I/O
Communication data reading clock signal input or transfer clock signal output with the fluo-
rescent indicator tube driver (IC601)
57 XRST O
Reset signal output to the CXA1992AR (IC101), BA5941FP (IC102) and CXD2519Q (IC103) on
the CD mechanism deck section “L”: reset
58 XLT O
Serial data latch pulse output to the CXD2519Q (IC103)
59 WDCL O
Word clock signal output terminal Not used (open)
60 TBL-L O
Motor drive signal output to the disc tray turn motor driver (IC201) *1
61 TBL-R O
Motor drive signal output to the disc tray turn motor driver (IC201) *1
62 TRAY-LED O
LED drive signal output for the CD tray LED indicate “H”: LED on
63 LOAD-OUT O
Motor drive signal output terminal Not used (open)
64 LOAD-IN O
Motor drive signal output terminal Not used (open)
65 ST-CLK O
PLL serial data transfer clock signal output to the FM/AM tuner unit
66 ST-DIN I
PLL serial data input from the FM/AM tuner unit
67 ST-DOUT O
PLL serial data output to the FM/AM tuner unit
68 ST-CE O
PLL chip enable signal output to the FM/AM tuner unit
69 TUNED I
Tuning detection signal input from the FM/AM tuner unit “L”: tuned
70 STEREO I
FM stereo detection signal input from the FM/AM tuner unit “L”: stereo
71 VSS —
Ground terminal
72 ST-MUTE O
Tuner muting control signal output to the FM/AM tuner unit “L”: muting on
73 SENS2 I
Internal status (SENSE) signal input from the CXA1992AR (IC101)
74 SENS I
Internal status (SENSE) signal input from the CXD2519Q (IC103)
75 DISC-SENS I
Disc status detection signal input terminal Not used (open)
76 T-SENS I
Disc tray status detection signal input from the disc tray sensor (IC202)
77 UP SW I
Detection input from the UP switch (S201)
78 ENC3 I
79 ENC2 I
Rotary encoder pulse input for the disc tray address detect Not used (open)
80 ENC1 I
81 OUT-OPEN I
Disc tray open/close detect switch input terminal “L”: open, “H”: close Not used (open)
82 CAP-H/N O
High/normal speed selection signal output of the capstan motor (M1)
“L”: high speed, “H”: normal speed
83 A-TRG O
Motor drive signal output to the trigger motor driver (IC1502)
84 B-TRG O
Motor drive signal output to the trigger motor driver (IC1502)
85 TRG-LOW O
Motor control signal output to the trigger motor driver (IC1502)