Sony CDP-XA50ES, Service Manual

Page: 33 / 54

– 51 – – 52 –
– AUDIO Section –
1 2 3 4 5 6 7 8 9
NC
OUTPUT 2
Vcc
GND
NC
INPUT 2
INPUT 1
NC
MOTOR
DRIVE
MOTOR
DRIVE
REG
SWITCH
SWITCH
OUTPUT1
1 2 3 4 5 6 7 8 9 10
20
19 18 17 16 15 14 13 12 11
21
22
23
24
25
26
27
28
29
30
31
32
33 34 35 36 37 38 39 40 41 42
43 44 45 46
56
55
54
53
52
51 50 49 48 47
57
58
59
60
61
62
63
64
S/P
TIMING CIRCUIT
INTERPOLATER
INTERPOLATER
THIRD ORDER
NOISE SHAPER
THIRD ORDER
NOISE SHAPER
PLM
PLM
CLOCK
GENERATOR
SYNC
COEF
SPLM
18/20
DVDDR
VSUB (D) R
VSUB (CHIP) R
VDD2
VDD
R1 (–)
VSS
R1 (+)
VSS2
VSS2
L1 (+)
VSS
L1 (–)
VDD
VDD2
VSUB (CHIP) L
VSUB (D) L
DVDDL
TEST3
TEST2
TEST1
DATAOUT
ON/OFF
VSS2
L2 (+)
VSS
L2 (–)
VDD
VDD2
VSUB (A) L
XVDD XOUT
XIN
XVSS XVSS
VSUB (A) R
VDD2
VDD
R2 (–)
VSS
R2 (+)
VSS2
DRI LRCKI MUTEL MUTER INIT DVSSL DVSSR 512FSO BCKI DLI DRO LRCKO INAF DINIT 128FS DPO/BCKO DM2/SDRO DM1/SDLO DLO
6
CLR
7
PR
8
VCC
5
Q
R S Q
3
Q
2
D
4
GND
1
CK
Q D C
3rd order
NOISE
SHAPER
S / P
TIMING
CIRCUIT
CLOCK
GENERATOR
DATA SELECT DATA SELECT
P/S CONVERT
&
D/F-CLK GEN.
4BIT DATA
BITSTREAM
"0" DETECT
MUTE
CIRCUIT
OR
3rd order
NOISE
SHAPER
L . I . P.
ATT
x 0.75
L . I . P.
ATT
x 0.75
DITHER
OVERFLOW DETECTOR
FIR 4
MODE
INAF
OVFLAG
MUTER
MUTEL
MTPOL
DRPOL
MODE
NC
DFDTOR
DFLRCKO
TEST4
TEST3
VSS
IF SELD
IF SELC
NC
SBCKI
SDATAR
SDATAL
NC
DFDTOL
DFBCKO
DFDTEN
TEST1
TEST2
VSS
PLMG2
VDD
NSDOL4 NSDOL3 NSDOL2 NSDOL1
NC NC
VDD VDD
NC
64FSI
NSDOR1 NSDOR2 NSDOR3 NSDOR4
MCKIN
VDD
PLMG1
NRGCLR SYSM LATCH SHIFT ATT INIT LRCKI DATAI BCKI VSS VSS NC INVO2 INVO1 INVI NC 128FSO CKVDD DINIT
52
53
54
55
56
57
58
59
60
61
62
63
64
51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
32
31
30
29
28
27
26
25
24
23
22
21
20
FIR 2 FIR 1 FIR 3
ATT
IIR
OVERFLOW DETECTOR
FIR 4
FIR 2 FIR 1 FIR 3
ATT
IIR
POLALITY
2
IC350 BA6208
IC603 CXD2562Q-CS
IC601 CXD8679Q
IC610 TC7W74F
– PANEL Section –
IC801-803 LC7570E
SHIFT REGISTER
A/D CONVERTER
LATCH, FL DRIVER
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16 S26
S27
S28
S29
S30
S31
S32
S33
SIN
VSS
BLK
NC
NC
S25 S24 S22 S21
NC
S20 S19 S18 S17
NC
S23
NC VDA DAT
A
CL WR VFL S0 S1 S2 S3 NC S4
1
2
3
4
5
6
7
8
9
10
16 15 14 13
12
11
17 18 19 20 21 22 23 24
25
26
27
28
29
30
31
32
33
34
35
36
46 47 48 45 44 43 42 41 40 39 38 37
IC404, 504 CXA8042AS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
SWITCHING
CIRCUIT
CONSTANT
CURRENT
CIRCUIT
REFERENCE
VOLTAGE
CIRCUIT
CONTROL
CIRCUIT
I01+
IN2–
IN2+
NC
IN1+
IN1–
NC
C4
C3
GND2
VEE2
VEE1
C6
C5
CIREF
I02–
NC
I01–
I02+
NC
VCC2
C2
C1
VCC1
VREF
VCNT
GND1
RIREF