Sony HCD-ZUX9 Service Manual - Page 82

Sony HCD-ZUX9 Manual

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HCD-ZUX9 Pin No. Pin Name I/O [A-TRIG]/ 80 O I/O_EXP RESET 81 A-HALF I 82 FREQ Z-GROOVE O 83 ST-CE O 84 ST-DOUT O 85 ST-CLK O 86 ST-DIN O 87 STBY-LED O 88 GC-RESET O 89 A-SHUT I 90 B-SHUT I 91 B-HALF I 92 ML2252-WR I 93 DEST-IN I 94 THERMAL_VACS I 95 ML2252-BUSY1 I 96 AVSS I [MTK_POWER_MONITOR] 97 I/O CD_BUS0 98 VREF I 99 AVCC - 100 RESET ML2252 I Pin Description Reset signal output to the I/O expander Deck A cassette detection signal input Z-Groove frequency select control signal output "L": Z-Groove "H": Groove PLL chip enable signal output to the tuner unit PLL serial data output to the tuner unit PLL serial data transfer clock signal output to the tuner unit PLL serial data input from the tuner unit LED drive signal output of POWER indicator "H": Green Color "L": Red Color Reset signal output to Display Control IC "L": reset Shut off detection signal input from deck A side reel pulse detector (A/D input) Shut off detection signal input from deck A side reel pulse detector (A/D input) Deck B cassette detection and forward side recording tab detection signal input terminal (A/D input) Data output enable control signal to digital synthesizer ML2252 "L": Data output enable Destination setting terminal Temperature detection signal input from thermistor (A/D input) Channel 1 playback status signal from digital synthesizer ML2252 "H": Playback stop Ground Serial bus data bit 0 input from or output A/D Converter reference voltage input (+3.3V) Power supply (+3.3V) Reset signal output to digital synthesizer ML2252 82

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82
HCD-ZUX9
80
[A-TRIG]/
I/O_EXP RESET
O
Reset signal output to the I/O expander
81
A-HALF
I
Deck A cassette detection signal input
82
FREQ Z-GROOVE
O
Z-Groove frequency select control signal output
“L”: Z-Groove
“H”: Groove
83
ST-CE
O
PLL chip enable signal output to the tuner unit
84
ST-DOUT
O
PLL serial data output to the tuner unit
85
ST-CLK
O
PLL serial data transfer clock signal output to the tuner unit
86
ST-DIN
O
PLL serial data input from the tuner unit
87
STBY-LED
O
LED drive signal output of POWER indicator
“H”: Green Color
“L”: Red Color
88
GC-RESET
O
Reset signal output to Display Control IC
“L”: reset
89
A-SHUT
I
Shut off detection signal input from deck A side reel pulse detector (A/D input)
90
B-SHUT
I
Shut off detection signal input from deck A side reel pulse detector (A/D input)
91
B-HALF
I
Deck B cassette detection and forward side recording tab detection signal input
terminal
(A/D input)
92
ML2252-WR
I
Data output enable control signal to digital synthesizer ML2252
“L”: Data output enable
93
DEST-IN
I
Destination setting terminal
94
THERMAL_VACS
I
Temperature detection signal input from thermistor (A/D input)
95
ML2252-BUSY1
I
Channel 1 playback status signal from digital synthesizer ML2252
“H”: Playback stop
96
AVSS
I
Ground
97
[MTK_POWER_MONITOR]
CD_BUS0
I/O
Serial bus data bit 0 input from or output
98
VREF
I
A/D Converter reference voltage input (+3.3V)
99
AVCC
—
Power supply (+3.3V)
100
RESET ML2252
I
Reset signal output to digital synthesizer ML2252
Pin No.
Pin Name
I/O
Pin Description