Sony HCD-HX7 Service Manual - Page 62

DAB_PWR_3.3V, DAB_PWR_5V

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Page 62 highlights

HCD-HX3/HX5/HX7 Pin No. Pin Name I/O Description 89 ST CLK O Serial data transfer clock signal output to the tuner (FM/AM) 90 ST DATA OUT O Serial data output to the tuner (FM/AM) 91 XM RESET O Reset signal output to the XM receiver "L": reset (HX7) 92 XM_PWR _3.3V/5V O Power on/off control signal output terminal for XM section "H": power on (HX7) 93 SAT SEL O XM/SIRIUS mode selection signal output terminal "L": SIRIUS mode, "H": XM mode (HX7) 94 SR_POWER O Power on/off control signal output terminal for SIRIUS "H": power on (HX7) 95 DAB_PWR_3.3V O Power (+3.3V) on/off control signal output terminal for DAB section Not used 96 AVSS - Ground terminal 97 DAB_PWR_5V O Power (+5V) on/off control signal output terminal for DAB section Not used 98 VREF I Reference voltage (+3.3V) input terminal 99 AVCC - Power supply terminal (+3.3V) 100 CD BUS3 O Serial data output to the CD-MP3 processor 62

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62
HCD-HX3/HX5/HX7
Pin No.
Pin Name
I/O
Description
89
ST CLK
O
Serial data transfer clock signal output to the tuner (FM/AM)
90
ST DATA OUT
O
Serial data output to the tuner (FM/AM)
91
XM RESET
O
Reset signal output to the XM receiver
"L": reset (HX7)
92
XM_PWR
_3.3V/5V
O
Power on/off control signal output terminal for XM section
"H": power on (HX7)
93
SAT SEL
O
XM/SIRIUS mode selection signal output terminal
"L": SIRIUS mode, "H": XM mode (HX7)
94
SR_POWER
O
Power on/off control signal output terminal for SIRIUS
"H": power on (HX7)
95
DAB_PWR_3.3V
O
Power (+3.3V) on/off control signal output terminal for DAB section
Not used
96
AVSS
-
Ground terminal
97
DAB_PWR_5V
O
Power (+5V) on/off control signal output terminal for DAB section
Not used
98
VREF
I
Reference voltage (+3.3V) input terminal
99
AVCC
-
Power supply terminal (+3.3V)
100
CD BUS3
O
Serial data output to the CD-MP3 processor