Sony SCD-XA1200ES Service Manual ▷ View online
SCD-XA1200ES
29
29
SCD-XA1200ES
6-15. PRINTED WIRING BOARDS – POWER SUPPLY Section –
•
See page 17 for Circuit Boards Location.
: Uses unleaded solder.
EP110
CN111
CN110
L110
C110
C111
CN113
CN112
T101
CN102
CN101
CN892
C891
S891
(CHASSIS)
AC INLET BOARD
1-870-791-
12
(12)
1
2
1
2
1
2
1
2
LINE
FILTER
~AC IN
JC110
TRANS BOARD
1-870-792-
12
(12)
D
MAIN BOARD
CN901
MAIN POWER
TRANSFORMER
1
2
1
8
NOT REPLACEABLE:
BUILT IN TRANSFORMER
BUILT IN TRANSFORMER
∗
∗
5
2
14
7
ACSW BOARD
1-870-790-
12
(12)
POWER
1
2
C
MAIN
BOARD
CN981
T102
SUB POWER
TRANSFORMER
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
(Page 21)
(Page 21)
SCD-XA1200ES
30
30
SCD-XA1200ES
6-16. SCHEMATIC DIAGRAM – KEY/POWER SUPPLY Section –
CN102
JW851
R841
R842
R843
R845
R844
R851
R852
R853
R854
R861
R863
R862
R864
CN813
S863
S865
CN892
CN101
C891
CN812
CN810
CN811
S891
C110
C111
L110
T101
T102
S862
S861
S851
S841
S842
S843
S855
J110
8P
1k
2.2k
2.2k
10k
4.7k
1k
2.2k
2.2k
4.7k
1k
2.2k
2.2k
4.7k
2P
2P
2P
0.0022
250V
3P
3P
3P
4700p
250V
4700p
250V
VF2
VF1
SYS_AC1
SYS_AC2
DRV_AC1
DRV_AC2
VFL_AC1
VFL_AC2
KEY1
GND
GND
KEY2
KEY3
JOG1
JOG2
GND
JOG1
JOG2
GND
L
N
POWER
LINE FILTER
MAIN POWER TRANSFORMER
*
BUILD IN TRANSFORMER
SUB POWER TRANSFORMER
TIME/TEXT
MULTI/2CH
SA-CD/CD
MENU
1
5
3
2
4
AMS
PUSH ENTER
ROTARY ENCODER
∗ NOT REPLACEABLE:
~AC IN
(Page 27)
(Page 27)
(Page 26)
(Page 26)
31
SCD-XA1200ES
– MAIN Board –
•
Waveforms
– WALTZ-RF Board –
1
IC001
tl
(SIGO)
(CD play mode)
500 mV/DIV, 200 ns/DIV
1.5 Vp-p
1
IC001
tl
(SIGO)
(SA-CD play mode)
500 mV/DIV, 200 ns/DIV
1.4 Vp-p
qa
IC706
uk
(DSPHREFO)
2 V/DIV, 100 ns/DIV
354 ns
3.4 Vp-p
qd
IC706
og
(CDBCK)
(CD play mode)
2 V/DIV, 100 ns/DIV
354 ns
3.3 Vp-p
22.7
µ
s
3.4 Vp-p
qs
IC706
of
(CDLRCK)
(CD play mode)
2 V/DIV, 10
µ
s/DIV
qf
IC320
2
,
4
,
6
,
q;
,
qs
2 V/DIV, 50 ns/DIV
89 ns
3.1 Vp-p
qg
IC320
9
1 V/DIV, 50 ns/DIV
89 ns
1.8 Vp-p
wa
IC801
4
(X2)
1 V/DIV, 100 ns/DIV
200 ns
2.1 Vp-p
– DISPLAY Board –
32
SCD-XA1200ES
•
IC Block Diagrams
– MAIN Board –
IC200, 230, 260
DSD1751DBQR
IC701
M51957BFP-600C
DSDL
DBCK
1
20
DSDR
DSCK
2
19
PBCK
PSCK
3
18
PDATA
MS
4
17
PLRCK
MC
5
16
DGND
MD
6
15
VDD
ZEROR/ZEROA
7
14
VCC
ZEROL/NA
8
13
VOUTL
VCOM
9
12
VOUTR
AGND
10
11
MUX
DSD
FILTER
PCM
I/F
PCM
FILTER
(X8 DF)
MULTI-LEVEL
DELTA-SIGMA
MODULATOR
MULTI-LEVEL
DAC
ANALOG
LPF
DSD
I/F
MUX
MODE
CONTROL
+
–
3
4
NC
IN
NC
GND
NC
VCC
OUT
C
1.25V
1
7
6
5
8
2
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