Sony STR-DB725 User Manual

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Power Supply (+5 V)
Video IC SW1
Video IC SW2
Video IC SW3
Ground through resister
S Mute
Not used (Connected to ground)
A-class mute
Dolby latch
System reset
System clock (4.19 MHz)
System clock (4.19 MHz)
Ground
Not used
RDS data input
+5 V
Tone latch
Serial clock
Serial data
Serial latch
Auto stop
Tuner mute
Stereo
Tuner data in
A/D ground (0 V)
SIRCS input
Video IC SW4
S-LINK CONTROL A1 latch
Version
A/D key 4
A/D key 3
A/D key 2
A/D key 1
A/D power supply (+5 V)
A/D reference voltage (+5 V)
S-LINK CONTROL A1 data output
S-LINK CONTROL A1 data input
RDS clock input
STOP
Ground
VDD.+5V
V- A
V- B
V- E
—
S.MUTE
(S.MUTE)
AC.MUTE
D.LATCH
RESET
X2
X1
VSS.GND
NP
RDS.DAT.IN
VDD.+5V
T.LATCH
S.CLOCK
S.DATA
S.LATCH
AUTO.STOP
TUNER MUTE
STEREO
IF.DATA.IN
GND.A/D
SIRCS
V INH
CTRLA1LAT
VERSION
KEY4/SMETER
KEY3
KEY2
KEY1
VDD.A/D.+5V
VREF.A/D.+5V
CTRL-A1.OUT
CTRL-A1.IN
RDS.CLK.IN
STOP
VSS.GND
Pin No. Pin Name I/O Function
3-20. IC PIN FUNCTIONS
• IC103 uPD780208GF (DISPLAY BOARD)

Sony STR-DB725 Specifications

General

Brand	Sony
Model	STR-DB725
Category	Stereo Receiver
Language	English