Sony CX-JT7, Руководство по обслуживанию

Страница: 62 / 92

62
CX-JT7
Pin No. Pin Name I/O Description
52 I-B-PHOTO I Deck-B tape reel rotating detection signal input from the tape mechanism deck block
53 I-B-HALF I Deck-B cassette detection signal input from the tape mechanism deck block “L”: cassette in
54 S9/I-B-MODE I/O
Segment drive signal output to the fluorescent indicator tube and deck-B mode detection signal
input from the tape mechanism deck block “L” active
55
S10/I-REC (REW)
I/O
Segment drive signal output to the fluorescent indicator tube and recording-proof (reverse
direction) detection signal input from the tape mechanism deck block
“L”: recording possible
56 to 68 S11 to S23 O Segment drive signal output to the fluorescent indicator tube
69 to 71 S24 to S26 O Segment drive signal output to the fluorescent indicator tube Not used
72 VDD4 — Power supply terminal (+3.3V)
73 to 75 — — Not used
76 I-HP-MUTE I Headphone detection signal input terminal “H”: headphone in
77 I-TRE B I Jog dial pulse input from the rotary encoder (TREBLE/MIDDLE) (B phase input)
78 I-TRE A I Jog dial pulse input from the rotary encoder (TREBLE/MIDDLE) (A phase input)
79 I-BASS B I Jog dial pulse input from the rotary encoder (BASS) (B phase input)
80 I-BASS A I Jog dial pulse input from the rotary encoder (BASS) (A phase input)
81 I-JOG B I Jog dial pulse input from the rotary encoder (jog dial) (B phase input)
82 I-JOG A I Jog dial pulse input from the rotary encoder (jog dial) (A phase input)
83 I-VOL B I Jog dial pulse input from the rotary encoder (VOLUME) (B phase input)
84 I-VOL A I Jog dial pulse input from the rotary encoder (VOLUME) (A phase input)
85 I-WRQ I CD interruption signal input from the CD DSP
86 I-CD DRF I CD focus on/off detection signal input from the CD DSP
87 I-LC72121 DI I Serial data input from the tuner unit
88 I-TUNER TUNE I Tuning detection signal input from the tuner unit “L”: tuned
89 VSS2 — Ground terminal
90 VDD2 — Power supply terminal (+3.3V)
91
O-LC72121/
M61529/BU2099
DO
O Serial data output to the tuner unit, electrical volume and LED driver
92
O-LC72121/
BU2099 CLK
O
Serial data transfer clock signal output tuner unit, LED driver, tape mechanism controller, multi
controller and bass boost controller
93 O-POWER LED O LED drive signal output of the POWER
1
STANDBY/ON indicator “L”: LED on
94 O-POWER RELAY O Power on/off relay drive signal output terminal “H”: power on
95 O-KEYSCAN O
Key scan signal output for initial diode and switches in the tape mechanism deck
“L”: key scan
96
I-CD NUMBER
SENS
I CD table address detection signal input terminal
97 I-TUNER STEREO I FM stereo detection signal input from the tuner unit “L”: stereo
98
O-LC78646/
LC78684 DO
O Serial data output to the CD DSP and MP3 decoder
99
I-LC78646/
LC78684 DI
I Serial data input from the CD DSP and MP3 decoder
100
O-LC78646/
LC78684 CLK
O Serial data transfer clock signal output to the CD DSP and MP3 decoder