Sony XR-CA300 / XR-CA320 / XR-CA320X / XRS-CA130 Service Manual ▷ View online
XR-CA300/CA320/CA320X
21
21
5-4.
SCHEMATIC DIAGRAM – MAIN Board (2/2) –
•
See page 24 for IC Block Diagrams.
(Page
20)
XR-CA300/CA320/CA320X
22
22
D916
AK
S974
S958
S959
S956
MODE
S955
S954
S957
S975
S970
S977
S969
S976
CONTROL BOARD
(COMPONENT SIDE)
1-680-221-
11
(11)
LCD900
LIQUID CRYSTAL DISPLAY
1
50
SEL
ATT
S951
S961
S962
S963
S968
S965
BTM
S967
DSPL
S973
OFF
S972
S971
MBP
–
S957, 975
+
S958, 974
D922, S970, 977
m
.
–
D924, S969, 976
+
>
M
SEEK
AMS
D961
A
K
R913
R912
D960
A
K
C953
D962
A
K
C955
C954
D963
K
A
R911
R900
R910
R905
R904
R903
R902
R901
D900
K
A
D901
K
A
D903
K
A
D904
K
A
D905
K
A
R921
R920
R922
R925
R916
R915
R919
R914
D964
K
A
1
20
21
40
41
60
61
80
IC900
2
12
11
1
CN900
A
MAIN BOARD
CN600
CONTROL BOARD
(CONDUCTOR SIDE)
1-680-221-
11
(11)
D910 – 912, 914 – 916,
918, 922, 924
1
2
3
4
5
6
7
8
9
10
11
A
B
C
D
E
F
D915
AK
D914
AK
D910
KA
D911
AK
D912
KA
D922
K
A
D918
KA
D924
A
K
R955
C952
R954
R924
R923
S953
SENS
S960
D911, S963
5
D916, S951
DISC –
1
D915, S960
DISC +
2
D914, S961
REP
3
D910, S962
SHUF
4
D912, S968
ATA
6
D918
(ILLUMINATION)
PL902
LCD BACK LIGHT,
ILLUMINATION
PL901
LCD BACK LIGHT,
ILLUMINATION
SOURCE
SRC
D-BASS
D
A
K
5-5.
PRINTED WIRING BOARD – CONTROL Board –
Ref. No.
Location
Ref. No.
Location
• Semiconductor Location
D900
E-10
D901
E-10
D903
E-10
D904
F-10
D905
F-10
D910
C-7
D911
C-8
D912
C-8
D914
C-6
D915
C-5
D916
C-4
D918
B-10
D922
C-11
D924
B-11
D960
E-3
D961
F-2
D962
D-5
D963
D-8
D964
F-11
IC900
E-6
(Page 19)
XR-CA300/CA320/CA320X
23
23
5-6.
SCHEMATIC DIAGRAM – CONTROL Board –
•
See page 24 for Waveform.
(Page 20)
XR-CA300/CA320/CA320X
24
24
• Waveforms
– MAIN Board –
– MAIN Board –
3
IC900
ud
(OSC)
1
IC1
qs
(OSC2)
2
IC1
qh
(XO)
1.8 Vp-p
54.3 ns
5.4 Vp-p
30.5
µ
s
– CONTROL Board –
2.6 Vp-p
21
µ
s
• IC Block Diagrams
– MAIN Board –
– MAIN Board –
IC400
LC75421M-TLM
IC800
MM1175XFF
RESET
SWITCH
BATT
SWITCH
1
2
3
4
5
6
7
8
9
10
14
13
12
11
BUS ON
OUT
RESET
OUT
BATT
CLK
OUT
VREF
DATA
IN/OUT
GND
BATT
CHECK
CHECK
CLK
IN
IN
BUS ON
IN
IN
RESET
IN
IN
VCC
DATA IN
DATA OUT
36
35 34 33
1
2
CCB
INTERFACE
CONTROL
CIRCUIT
LOGIC
CIRCUIT
CONTROL
CIRCUIT
+
–
–
+
–
–
32 31
+
–
30
29
28
+
–
27 26 25
24 23 22 21 20 19
+
–
+
–
–
+
–
–
R VREF
4
5
+
–
+
–
6
7
+
–
–
8
9
10
+
–
–
11 12 13
14 15 16 17 18
+
–
–
+
–
+
–
L VREF
3
LROUT
LFOUT
LFIN
LOUT
LSB
LBASS2
LBASS1
LTRE
LIN
LSELO
L5
L4
L3
L2
L1
VSS
VDD
RROUT
RFOUT
RFIN
ROUT
RSB
RBASS2
RBASS1
RTRE
RIN
RSELO
R5
R4
R3
R2
R1
VREF
CL
DI
CE
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