Sony MDS-JB930 Service Manual page 51

– MAIN Board –
IC100 AK4524-TP
VCOM 1
AINR 2
AINL
3
VREF 4
AGND
5
6
VA
TEST 7
XTAO 8
CLOCK
XTAI 9 GENERATOR
& 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
16 15 14 13 12 11
2C3 2C2 2C1 2C0
2G
B B A
B B A
1G
1C3 1C2 1C1 1C0
2 4 5
1 3 6
STROBE B 1C3 1C2 1C1 1C0
1G SELECT
DATA INPUTS
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
IC203, 204
1
I01+
I02– 2
3
NC
I01– 4
28 AOUTR+
5
I02+
27 AOUTR–
NC 6
26 AOUTL+
VCC2 7
25 AOUTL–
C2 8
C1
9
10
VCC1
24 DGND
23 VD
22 VT
VREF 11
21 CLKO
M/S
20
19 PD
CIF
18
12
VCNT
17 CS
GND1 13
16 CCLK
RIREF 14
15 CDTI
IC400 LB1641
T.S.D
MOTOR
DRIVE
1 2 3 4
CXA8042AS
SWITCHING
CIRCUIT
CONSTANT
REFERENCE
CURRENT
VOLTAGE
CIRCUIT
CIRCUIT
CONTROL
CIRCUIT
FWD/REV/STOP
CONTROL LOGIC
5 6 7 8
28 IN2–
27 IN2+
26 NC
25 IN1+
24 IN1–
23 NC
22 C4
21 C3
GND2
20
19 VEE2
18 VEE1
17 C6
16 C5
15
CIREF
O.C.P
MOTOR
DRIVE
9 10
51