Sony CDX-C880 - Fm/am Compact Disc Player, Руководство по обслуживанию

Страница: 36 / 65

– 36 –
Pin No. Pin Name I/O Pin Description
54 VCC — Power supply pin (+5 V)
55 RAMBU I RAM reset detection input
56 POWSEL I Power select initial setting input
57 EQ-SEL I Equalizer connection with/without detection initial input
58 TESTIN I Test mode setting detection input
59 DOORIND O Door indicator output
60 TIRPLAY O Audio line select control output at CSV.
61, 62 SUB-SW1, 0 O Simple SUB WOOFER control output 1, 0
63 VSS — GND
64 VOLCE O Electric volume serial chip enable output
65 MUTE O System mute control output
66 VOLSO/SUBSO O Main/Sub volume serial data output
67 VOLCKO/SUBCKO O Main/Sub volume serial clock output
68 SUBCE O Sub volume serial chip enable output
69 FLASH-W I Flash write in mode detection input
70 I2CSIO I RDS serial data input (Not used in this set.)
71 I2CCKO I RDS serial clock input (Not used in this set.)
72 RC-IN1 I Rotary commander input
73 X1A — Low speed oscillation input (32.768 kHz)
74 X0A — Low speed oscillation input (32.768 kHz)
75 DAVN I RDS IC data taking in detection input (Not used in this set.)
76 KEYACK I Key input acknowledge
77 BU-IN I Back-up power detection input
78 ILLIN I Illumination line detection input
79 TELMUTE I Telephone mute detection input
80 NOSESW I Front panel detachable detection input
81 ACCIN I Accessory power detection input
82 – 85 TIR-D0 – D3 I/O TIR IC command input/output 0 – 3 (Not used in this set.)
86 HRST — Connect to power supply pin.
87 (VSS) — Connect to GND.
88, 89 (VCC) — Connect to power supply pin.
90 RST — Microcomputer reset input
91 VSS — GND
92 X0 — High speed oscillation input (3.68 MHz)
93 X1 — High speed oscillation input (3.68 MHz)
94 VCC — Power supply pin (+5 V)
95 TIR-BUSY I TIR IC BUSY output monitor pin (Not used in this set.)
96 TIR-WR O TIR IC data write in pulse output (Not used in this set.)
97 TIR-CE O TIR IC chip enable output (Not used in this set.)
98 TIR-CE O BBE IC chip enable output
99 TIR-RES O BBE IC reset/power down output
100 TIR-PDWN O BBE IC power down output
101 TIR-RD O TIR IC data read in pulse output (Not used in this set.)
102 MTLIN I Auto METAL detection input (Not used in this set.)
103 AM STIN I AM stereo detection input (Not used in this set.)
104 REEL I Tape reel table rotation detection input (Not used in this set.)
105 POS0 I CD/MD operation detect input 0
106 POS1 I CD/MD operation detect input 1
107 POS2 I CD/MD operation detect input 2
108 POS3 I CD/MD operation detect input 3
109 A-MUTE I CD mute signal input
110 EMPH I Emphasis signal input
111 LINKOFF O Link off output (Not used in this set.)