Sony HCD-XB66 Service Manual page 23

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