Sony MDS-JE480 Service Manual ▷ View online
MDS-JE480
46
46
11
(11)
1-683-586-
DISPLAY BOARD
C
MAIN
BOARD
(Page 45)
IC760
R712
R702
R703
R713
R781
R769
R760
R763
R704
R705
R715
R706
R716
C709
C769
C766
33
64
32
1
C764
C767
C782
1
3
R782
C760
C761
C762
C763
R775
R767
E
R761
R762
1
3
5
4
R714
IC781
JW806
JW812
JW810
JW782
JW793
JW794
JW787
JW783
JW785
JW789
JW788
JW784
JW786
JW796
JW781
CN701
LP709
JW798
JW799
JW791 JW792
LP719
JW811
JW802
JW801
JW804
JW805
S713
CN710
4
1
JW803
JW761
JW711
JW762
JW767
JW775
JW795
JW807
Q775
E
S716
REC
MODE
S712
YES
S711
MENU/
NO
S701
REC
S702
S705
S706
S715
INPUT
S704
S703
S721
EJECT
D775
MD LP
C765
C781
Q767
FL750
FL TUBE
AMS >
>
M
x
X
M
z
h
Z
R725
R724
R723
C740
R726
R1726
R722
JW
752
JW
751
S746
JW
750
CN720
4
1
JW733
JW
734
JW
1726
JW
1733
Q726
E
S722
PLAY MODE
S723
REPEAT
S724
LEVEL/
DISPLAY/CHAR
S726
D726
STANDBY
JW735
JW736
11
(11)
1-683-587-
KEY–SW BOARD
S714
CLEAR
2
3
4
5
6
7
8
9
10
11
12
A
1
B
C
D
E
F
G
6-9. PRINTED WIRING BOARD – DISPLAY SECTION – • See page 36 for Circuit Board Location.
Ref. No.
Location
D726
G-1
D775
C-6
IC760
B-4
IC781
A-2
Q726
F-6
Q767
C-7
Q775
B-1
• Semiconductor
Location
MDS-JE480
47
47
6-10. SCHEMATIC DIAGRAM – DISPLAY SECTION –
R782
C782
C781
R781
R775
D775
C767
R767
C766
C760
C769
R769
C761
C762
C763
C764
C765
R763
R762
R761
R760
CN701
S711
S712
S714
R714
R713
R712
R702
R703
R704
R705
R706
S704
S705
S706
S703
S702
S701
C709
R715
R716
S716
S715
CN710
R725
R724
R723
R722
S722
S723
S724
S726
CN720
D726
C740
IC760
Q767
FL750
Q726
R1726
S721
Q775
IC781
R726
100
0.01
100
6.3V
47
220
SEL5821A-TP15
0.001
100k
0.1
0.1
47p
3.3k
0.001
0.001
0.001
0.1
22
6.3V
100
100
100
100
15P
2.2k
2.2k
1k
1k
2.2k
2.2k
4.7k
10k
0.1
4.7k
10k
4P
4.7k
2.2k
2.2k
1k
4P
SEL5221S-TP15
0.1
PT6302-R-002
DTC143TSA
FL TUBE
DTC114ES
220
DTC114ES
NJL73H400A
0
S29
S30
S31
S32
S33
S34
S35
G1
G2
G3
G4
G5
G6
G7
G8
G9
G10
G11
G12
G13
S25
S1
S3
S5
S7
S9
S11
S12
S13
S15
S17
S19
S21
S2
S4
S6
S8
S10
S14
S16
S18
S20
S22
S24
S23
S27
S28
S26
S35
S34
S33
S32
S31
S30
S29
G1
G2
G3
G4
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
G5
G6
G7
G8
G9
G10
G11
G12
G13
YES
MENU/NO
CLEAR
KEY2
GND
POWER LED
3.3V
INPUT
REC MODE
KEY2
JOG1
KEY1
JOG0
KEY0
FLDT
FCLK
FLCS
RMC
GND
-32
AC
AC
SYS 3.3
P.DOWN
REPEAT
KEY2
GND
POWER LED
3.3V
AMS
EJECT
LEVEL/
DISPLAY/CHAR
PLAY MODE
STANDBY
SW
A
GND
B
(PUSH ENTER)
GND
MD LP
I/
LED
DRIVE
(CHASSIS)
FL DRIVE
LED DRIVE
REMOTE CONTROL
RECEIVER
(CHASSIS)
FL/LED DRIVER
MDS-JE480
48
48
6-11. PRINTED WIRING BOARD – POWER SECTION – • See page 36 for Circuit Board Location.
6-12. SCHEMATIC DIAGRAM – POWER SECTION –
(CHASSIS)
D
MAIN
BOARD
(Page 45)
AC IN
*
* NOT REPLACEABLE:
BUILT IN TRANSFORMER
BUILT IN TRANSFORMER
C924
C923
C952
C951
D910
C910
RY910
TR950
CN900
JW
901
EP900
JW902
CN921
1
11
JW904
TR900
11
(11)
1-683-584-
PT BOARD
LF900
2
3
4
A
1
B
C
D
E
F
G
H
EP900
LF900
TR900
RY910
C910
CN900
D910
JW901
JW904
C924
C923
CN921
EARTH PLATE
LINE FILTER
RELAY
0.0022
250V
2P
1SS133T-72
C951
0.1
C952
TR950
0.1
0.1
0.1
WIRE
10P
AC IN
NOT REPLACEABLE:
*
BUILT IN TRANSFORMER
*
(CHASSIS)
Ver 1.1 2003.04
49
MDS-JE480
6-13. IC PIN FUNCTION DESCRIPTION
• IC101 CXA2523AR RF Amplifier (BD BOARD)
Pin No.
Pin Name
I/O
Description
I
J
VC
A to F
PD
APC
APCREF
GND
TEMPI
TEMPR
SWDT
SCLK
XLAT
XSTBY
F0CNT
VREF
EQADJ
3TADJ
Vcc
WBLADJ
TE
CSLED
SE
ADFM
ADIN
ADAGC
ADFG
AUX
FE
ABCD
BOTM
PEAK
RF
RFAGC
AGCI
COMPO
COMPP
ADDC
OPO
OPN
RFO
MORFI
MORFO
I
I
O
I
I
O
I
—
I
O
I
I
I
I
I
O
I
I
—
I
O
—
O
O
I
—
O
O
O
O
O
O
O
—
I
O
I
—
O
I
O
I
O
I-V converted RF signal I input
I-V converted RF signal J input
Middle point voltage generation output
Signal input from the optical pick-up detector
Light amount monitor input
Laser APC output
Reference voltage input for setting laser power
Ground
Temperature sensor connection
Reference voltage output for the temperature sensor
Serial data input from the CXD2664R
Serial clock input from the CXD2664R
Latch signal input from the CXD2664R
“L”: Latch
Stand by signal input
“L”: Stand by
Center frequency control voltage input of BPF22, BPF3T, EQ from the CXD2664R
Reference voltage output (Not used)
Center frequency setting pin for the internal circuit EQ
Center frequency setting pin for the internal circuit BPF3T
Power supply
Center frequency setting pin for the internal circuit BPF22
Tracking error signal output to the CXD2664R
External capacitor connection pin for the sled error signal LPF
Sled error signal output to the CXD2664R
FM signal output of ADIP
ADIP signal comparator input
ADFM is connected with AC coupling
External capacitor connection pin for AGC of ADIP
ADIP duplex signal output to the CXD2664R
I
3
signal/temperature signal output to the CXD2664R
Focus error signal output to the CXD2664R
Light amount signal output to the CXD2664R
RF/ABCD bottom hold signal output to the CXD2664R
RF/ABCD peak hold signal output to the CXD2664R
RF equalizer output to the CXD2664R
External capacitor connection pin for the RF AGC circuit
Input to the RF AGC circuit
The RF amplifier output is input with AC coupling
User comparator output (Not used)
User comparator input (Fixed at “L”)
External capacitor pin for cutting the low band of the ADIP amplifier
User operation amplifier output (Not used)
User operation amplifier inversion input (Fixed at “L”)
RF amplifier output
Groove RF signal is input with AC coupling
Groove RF signal output
1
2
3
4 - 9
10
11
12
13
14
15
16
17
18
19
20
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
47
48
• Abbreviation
APC: Auto Power Control
AGC: Auto Gain Control
AGC: Auto Gain Control
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