Sony STR-DB900 Service Manual

36
STR-DB900
IC701 NJM2279M-TE2
IC103, IC105, IC107 PCM1802DBR
– VIDEO Board –
VIN3
VSS
14
SW2
13
VIN1
12
MUTE1
11
VOUT1
10
NC
9
V+
8
1
SW1
2
AMP
VIN2
3
MUTE2
4
VOUT2
5
GND2
6
GND1
7
AMP
IC904 SI-8050JF
– ANALOG IN Board –
SINGLE-END/
DIFFERENTIAL
CONVERTER
5TH ORDER
DELTA-SIGMA
MODULATOR
VINL
1
SINGLE-END/
DIFFERENTIAL
CONVERTER
VINR
2
VREF1
3
VREF2
4
5TH ORDER
DELTA-SIGMA
MODULATOR
REFERENCE
x16 1/64
(x1/128)
DECIMATION
FILTER
WITH
DC CUT
FILTER
SERIAL
INTERFACE
&
MODE/FORMAT
CONTROL
MODE1
20
MODE0
19
FMT1
18
FMT0
17
DOUT
12
BCK
11
OSR
16
SCKI
15
VDD
14
DGND
13
CLOCK & TIMING CONTROL
PDWN
7
BYPAS
8
VCC
5
AGND
6
FSYNC
9
LRCK
10
POWER
SUPPLY
– POWER Board –
OVER
CURRENT
PROTECTOR
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
REGULATOR
+
–
+
–
RESET
VREF
COMPARATOR
ERROR AMP
OSC
1
VIN
2
SW OUT
3
GND
4
VOS
5
S.S

Sony STR-DB900 Specifications

General

Brand	Sony
Model	STR-DB900
Category	Stereo Receiver
Language	English