Sony CDX-C8850 - Fm/am Compact Disc Player, Руководство по обслуживанию

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Pin No. Pin Name I/O Pin Description
55 VOL LOAD O Electronic volume IC data latch output
56 VOL DATA L O Electronic volume L-ch setting data output
57 VOL DATA R O Electronic volume R-ch setting data output
58 VOL CLK O Electronic volume setting clock output
59 DSP XLAT O Data latch output to digital signal processor.
60 RC IN1 I Rotary commander shift switch input
61 ACC IN I Accessory signal input
62 POW ON O System power ON/OFF control output
63 VSS — Ground
64 BOOT O Low output at display micon rewriting.
65 PWM I PWM control input
66 NCO — Not used. (Open)
67 RDS DAVN I RDS IC data reception mode read input
68 CD/MD I CD/MD mechanism deck setting input (“L” : CD mechanism deck)
69 CD/MD ON I CD/MD servo B+ detection input
70 I2C SDA I/O For communication with device connected to I
2
C-bus.
71 I2C SCL I/O For communication with device connected to I
2
C-bus.
72 SHIFT O Shift signal output
73 X1A O Low speed frequency output (32.768 kHz)
74 X0A I Low speed frequency input (32.768 kHz)
75 NCO — Not used. (Open)
76 KEY ACK I Key input detection at micon sleeping.
77 BU IN I Back-up power supply detection input
78 SP LAT O Spectrum analyzer data latch output
79 DSP REDY I Ready signal input from digital signal processor.
80 TEST I Test input
81 EMPH I Emphasis signal input at MD/CD play. (“H” : emphasis ON)
82 WAKE UP O DC/DC converter power supply ON/OFF control output (Not used in this set.)
83 TEL MUTE I Audio signal muting input (“L” : mute ON)
84 TU ON O Tuner power supply ON/OFF output
85 ILL IN I Illumination signal input
86 HSTX I Hardware standby input
87 MD2 I Operation mode designation input (Fixed at “L” in this set.)
88, 89 MD1, 0 I Operation mode designation input (Fixed at “H” in this set.)
90 RST I Reset input
91 VSS — Ground
92 X0 I High speed frequency input (3.68 MHz)
93 X1 O High speed frequency output (3.68 MHz)
94 VCC — Power supply pin (+5 V)
95 DOOR IND O Front panel door indicator output
96 DSP ON O Digital signal processor power control output
97 NCO — Not used. (Open)
98 AMP-STBY O Power amplifier standby signal output
99 – 102 TIR D0 – 3 O Not used. (Open)
103 TIR RD O Not used. (Open)
104 TIR WR O Not used. (Open)
105 TIR CE1 O Not used. (Open)
106 TIR CE0 O Not used. (Open)
107 AD ON O Power control output to keys.
108 NCO — Not used. (Open)
109 NOSE SW I Front panel attachment detection input
110 CSV REQ I Data transfer request input from CSV control IC.
111 CSV CE O Chip enable output to CSV control IC.