Sony STR-DA1ES - Fm Stereo/fm-am Receiver, Руководство по обслуживанию

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53
STR-DA1ES/DB780
Pin No. Pin Name I/O Description
47 MODE LED
O
LED drive signal output of the MODE indicator “H”: LED on
48 STOP
I
Sub power voltage detection signal input
49, 50 MD0, MD1
O
Setting terminal for the CPU operation mode Fixed at “H” in this set
51 MD2
O
Setting terminal for the CPU operation mode Fixed at “L” in this set
52 RDS CLK
I
RDS serial data transfer clock signal input from the tuner unit
(STR-DB780: AEP and UK models only)
53
RDS DATA
I
RDS serial data input from the tuner unit (STR-DB780: AEP and UK models only)
54 SIRCS
I
Sircs signal input
55 FUSE DETECT
I
Power down detection signal input
56 POWER KEY
I
I/
1
key input terminal
57
JOG (B)
I
Jog dial pulse input from the rotary encoder (B phase input) (jog dial)
58
JOG (A)
I
Jog dial pulse input from the rotary encoder (A phase input) (jog dial)
59 VOL (B)
I
Jog dial pulse input from the rotary encoder (B phase input) (MASTER VOLUME)
60 VOL (A)
I
Jog dial pulse input from the rotary encoder (A phase input) (MASTER VOLUME)
61 DIN
O
Serial data output to the fluorescent indicator tube driver
62 CLK
O
Serial data transfer clock signal output to the fluorescent indicator tube driver
63 FL STB
O
Strobe signal output to the fluorescent indicator tube driver
64 CONTROL A1 OUT
O
Sircs signal output for CONTROL A1 II
65 CONTROL A1 IN
I
Sircs signal input for CONTROL A1 II
66
POWER RELAY
O
Relay drive signal output (for main power) “H”: relay on
67 PROTECTOR
I
Over load detection signal input from the protect circuit “L”: over load
68
HEADPHONE
RELAY
O
Relay drive signal output (for headphone) “H”: relay on
69
WOOFER RELAY
O
Relay drive signal output (for pre amplifier) “H”: relay on
70
REAR RELAY
O
Relay drive signal output (for surround speaker) “H”: relay on
71
CENTER RELAY
O
Relay drive signal output (for center speaker) “H”: relay on
72
FRONT RELAY
O
Relay drive signal output (for front speaker) “H”: relay on
73
TUNED
I
Tuned display state detection signal input from the tuner unit “L”: tuned
74 STEREO
I
FM stereo display detection signal input from the tuner unit “L”: stereo
75
MUTE
O
Muting on/off control signal output to the tuner unit “L”: muting on
76 DO
I
Serial data input from the tuner unit
77 RSTX
I
System reset signal input “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
78 SLATCH
O
Serial data latch pulse signal output to the tuner unit
79 X1A
O
Sub system clock output terminal
80 X0A
I
Sub system clock input terminal
81 VSS
—
Ground terminal
82 X0
I
Main system clock input terminal (16 MHz)
83 X1
O
Main system clock output terminal (16 MHz)
84 VCC3
—
Power supply terminal (+3.3V)
85 FUNC (B)
I
Jog dial pulse input from the rotary encoder (B phase input) (FUNCTION)
86 FUNC (A)
I
Jog dial pulse input from the rotary encoder (A phase input) (FUNCTION)
87 to 90 SW4 to SW1
O
Video selection signal output
91, 92
SELECT1,
SELECT2
O Digital input selection signal output
93 XMODE
O
System reset signal output to the digital audio interface receiver “L”: reset