Sony MDS-JB940 Service Manual page 50

– AU Board –
IC603 AK4524-TP
VCOM
1
AINR 2
AINL 3
VREF 4
AGND 5
VA 6
TEST 7
XTAO 8
CLOCK
XTAI GENERATOR
9
& DIVIDER
XTALE 10
LRCK 11
AUDIO
BICK 12
INTERFACE
SDTO 13
CONTROLLER
SDTI 14
IC300 SN74HC153ANSR
DATA INPUTS
STROBE A
VCC 2G SELECT 2C3 2C2 2C1 2C0
13 12
16 15 14 11
2C3 2C2 2C1 2C0
2G
B B A
B B A
1G
1C3 1C2 1C1 1C0
1 2 3 4 5 6
STROBE B 1C3 1C2 1C1 1C0
1G SELECT
DATA INPUTS
50
A/D D/A
CONVERTER CONVERTER
BLOCK BLOCK
H.P.F.
D-ATT
CONTROL
REGISTER
INTERFACE
D-ATT,
S-MUTE
OUTPUT
2Y
10 9
2Y
A
A
1Y
7
8
OUTPUT GND
1Y
IC301 SN74HCU04ANSR
VCC
14
13
28 AOUTR+
27 AOUTR–
1 2
26 AOUTL+
25 AOUTL–
24 DGND
23 VD
22 VT
21 CLKO
20 M/S
19 PD
18 CIF
17
CS
16 CCLK
15 CDTI
IC451 LB1641
T.S.D
MOTOR
DRIVE
2 3
1 4
IC305 TC7WU04F-TE12L
VCC
1A 1 8
2 7 1Y
3Y
2A 3 6 3A
GND 4 5 2Y
12 11 10 9 8
3 4 5 6 7
GND
FWD/REV/STOP
CONTROL LOGIC
5 6 7 8
O.C.P
MOTOR
DRIVE
9 10