Sony HCD-S550 Service Manual page 99

Pin No. Pin Name
43 DIP-RST
44 DIP-OCP
45 ST-POWER
46
HP-MUTE
47
AU-MUTE
48
AV-SEL2
49 PROG SW
50 TU-ON
51 TUNED
52 TUN-DI
53 TUN-CE
54 TUN-DO
55 TUN-CLK
56 FL-MUTE
57 FL-CLK
58 BVDD
59 BVSS
60 FL-DATA
61 FL-CS
62 LED-CS
63 LED-CLR
64 HPSW
65 DFIL RST2
66 SP RELAY
67 PARA-DO2
68 PARA-RST
69 PARA-LT1
70 PARA-LT2
71 PARA-CLK
72 PARA-DATA
73 PARA-DO1
74 AVDD
75 AVSS
76 AVREF
77 NO USE
78 OPT-SEN2
79 OPT-SEN
80 AREA1
81 SEN2
82 to 84 KEY0 to KEY2
85 EN-A
86 EN-B
87 MODEL
88 RDS-DATA
89 DVD-POWER
90 STOP
91 POWER-SW
I/O
O
Reset signal output to the power amplifier "L": reset
I
Protect signal input from the power amplifier
O
System power on/off control signal output "H": power on
O
Headphone muting on/off control signal output "L": muting on
O
Audio line muting on/off control signal output "L": muting on
O
Audio/video selection signal output
I
SCAN SELECT switch input terminal "L": SELECTABLE, "H": INTERLACE
O Tuner power on/off control signal output "H": power on
I
Tuning detection signal input from the tuner unit "L": tuned
I
Serial data input from the tuner unit
O
Chip enable signal output to the tuner unit
O Serial data output to the tuner unit
O
Serial data transfer clock signal output to the tuner unit
O
Reset signal output to the fluorescent indicator tube driver "L": reset
O
Serial data transfer clock signal output to the LED driver and fluorescent indicator tube driver
— Power supply terminal (+5V) (for bus interface)
—
Ground terminal (for bus interface)
O
Serial data output to the LED driver and fluorescent indicator tube driver
O
Chip select signal output to the fluorescent indicator tube driver "L" active
O Standby signal output to the LED driver "L": standby
O
Reset signal output to the LED driver "L": reset
Connection detection signal input of the headphone jack
I
"L": no connected, "H": headphone connected
O
Reset signal output to the digital audio processor "L": reset
O
Relay drive signal output terminal for the speaker protect Not used
I Serial data input from the mechanism deck controller
O
Reset signal output to the mechanism deck controller
O
Serial data latch pulse signal output to the mechanism deck controller
O
Serial data latch pulse signal output terminal Not used
O Serial data transfer clock signal output to the mechanism deck controller
O
Serial data output to the mechanism deck controller
I
Serial data input terminal Not used
—
Power supply terminal (+5V) (analog system)
— Ground terminal (analog system)
I
Reference voltage (+5V) input terminal (analog system)
—
Not used
I
Disc insert detection signal input from the photo sensor
I Chucking detection signal input from the photo sensor
I
Destination setting terminal
I
Disc in/out switch input terminal "L": when a disc is inserted
I
Key input terminal (A/D input)
I Jog dial pulse input from the rotary encoder (A phase input)
I
Jog dial pulse input from the rotary encoder (B phase input)
I
Model setting terminal
I
RDS serial data input from the RDS decoder (AEP, UK and Russian models only)
O
DVD power on/off control signal output "H": power on
I
System stop signal input
I
System power on/off control signal input "H": power on
HCD-S550/S880
Description
"L": reset
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