Sony MDS-JE770 Service Manual ▷ View online
MDS-JE770
46
46
Ref. No.
Location
D726
F-1
D733
E-4
D775
C-7
IC740
F-3
IC760
A-4
Q726
E-6
Q733
E-5
Q761
A-7
Q762
A-7
Q775
B-2
6-9. PRINTED WIRING BOARD – DISPLAY SECTION – • See page 36 for Circuit Board Location.
There are a few cases that the part isn’t mounted in
model is printed on diagram.
model is printed on diagram.
MAIN
BOARD
CN390
(Page 45)
D
11
(11)
1-681-743-
11
(11)
1-681-744-
HP BOARD
KB BOARD
MAIN
BOARD
CN830
(Page 45)
E
MAIN
BOARD
CN3
(Page 45)
C
KEY–SW BOARD
11
(11)
1-681-742-
11
(11)
1-681-741-
DISPLAY BOARD
A
z
X
H
M
M
x
l L
FLUORESCENT
DISPLAY
TUBE
2
3
4
5
6
7
8
9
10
11
12
13
A
1
B
C
D
E
F
REC
OFF
PLAY
OUT GND VCC
E
E
8
1
1
6
(CHASSIS)
MDS-JE770
E
51499
E
51499
3
1
3 2 1
5
4
JW721
S711
MENU/
NO
S712
YES
S701
REC
S702
S703
S704
S716
REC MODE
S715
INPUT
S706
S705
D775
MDLP
CN700
JW704
R702
R713
JW724
JW732
R712
R721
JW731
S714
CLEAR
R706
JW725
R716
R715
R703
R705
R714
C751
JW739
JW734
CN710
JW729
JW702
JW730
JW737
JW720
C769
JW706
JW705
C767
C700
JW738
JW735
R704
LP750
JW728
R770
FL750
C760
JW719
Q761
R768
C768
JW709
JW710
JW713
R769
JW716
C761
R775
LP710
JW714
JW712
JW715
C771
R766
C766
C770
R763
Q762
R762
JW717
JW736
JW711
C762
JW707
JW718
JW722
Q775
R761
R767
R764
JW727
JW701
JW726
LP719
JW708
JW723
C753
JW703
JW733
LP720
C720
IC760
R1781
L781
L785
R1785
R782
L783
J780
L1784
L1783
R786
L784
CN2780
L1782
L1786
JW752
R1733
R722
JW751
R741
CN720
R726
S726
I/
S722
PLAY MODE
S723
REPEAT
S724
LEVEL/
DISPLAY/CHAR
R742
D733
D726
STANDBY
S746
TIMER
IC740
R732
R725
R1726
C743
R733
R747
Q726
Q733
C742
JW750
C740
S731
TIME
TIME
S732
GROUP
SKIP
S733
GROUP
R723
R724
LP730
LP740
R791
RV790
RV790
PHONE
LEVEL
J790
PHONES
C791
CN790
L799
L1790
C796
R796
S721
EJECT
S713
AMS
PUSH ENTER
5
3
4
1
2
6
PC LINK
KEY BOARD
1
20
21
41 40
60
61
61
80
73
71
E
8
1
2
1
E
E
• Semiconductor
Location
MDS-JE770
47
47
6-10. SCHEMATIC DIAGRAM – DISPLAY SECTION –
R714
R713
R712
R732
R705
R704
R703
R702
R747
R706
C791
R724
R723
R722
C768
C770
C766
R770
R764
R763
R761
R762
C760
R733
C743
R741
R715
R716
R791
D775
R1726
R1733
C751
C753
CN790
R796
C796
CN700
CN2780
C767
C771
L1782
L1784
L1786
L784
L785
R782
R786
R1781
R1785
S722
S723
S726
S731
S732
S733
S746
S701
S702
S703
S704
S705
S706
S711
S712
S714
S715
S716
S721
L1790
0
µH
C761
C762
CN720
CN710
R775
R725
R726
C700
R769
R768
R767
R766
L1783
D733
D726
C742
S724
IC740
Q761
Q762
L799
J790
IC760
J780
C769
FL750
R742
L783
L781
S713
Q775
Q726
Q733
C720
LP730
LP740
C730
C740
RV790
4.7k
3.3k
2.2k
2.2k
10k
4.7k
3.3k
2.2k
10k
33k
470p
4.7k
3.3k
2.2k
0.001
0.001
39p
100
100k
100k
100
100
22
6.3V
3.3k
0.01
100
10k
33k
10
SEL5821A-TP15
220
220
10
50V
10
50V
WIRE(3P)
10
470p
17P
6P
0.1
0.1
JUMPER
JUMPER
JUMPER
JUMPER
JUMPER
100
100
220
220
0.001
0.001
8P
8P
220
47k
JW
22
6.3V
100
100
100
3.3k
JUMPER
SEL5821A-TP15
SEL5221S-TP15
100
10V
NJL74H400A
2SC2603TP-EF
2SC2603TP-EF
JW
MSM9201-04GS-K
0.001
47
JUMPER
JUMPER
ENCODER
UN4211-TA
UN4211-TA
UN4211-TA
0.1
0.1
0.1
1k/1k
G01
G02
G03
G04
G05
G06
G07
G08
G09
G10
G11
G12
G13
G14
G15
G16
G17
G18
G19
G20
G21
G22
S37
S38
S39
S01
S02
S03
S04
S05
S06
S07
S08
S09
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S33
S34
S35
S37
G03
G04
G05
G06
G07
G08
G09
G10
G11
G12
G13
G14
G15
G16
G17
G18
G19
G21
G20
S36
G22
S19
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S33
S34
S35
G01
G02
S18
S17
S16
S15
S14
S13
S12
S11
S10
S09
S08
S07
S06
S05
S04
S03
S02
S01
S38
S39
S36
YES
TIMER
MENU/NO
CLEAR
REPEAT
AD3
AD4
SEG01
SEG02
SEG03
SEG04
SEG05
SEG06
SEG07
SEG08
HP(L)
GND
HP(R)
G23
G24
REC
PLAY
OFF
TIME
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG09
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
SEG35
VDISP1
COM01
COM02
COM03
COM04
COM05
COM06
COM07
COM08
COM09
COM10
COM11
COM12
COM13
COM14
COM15
COM16
COM17
COM18
COM19
COM20
COM21
COM22
AD2
AD1
VDISP2
NC
VFL2
P4
P3
P2
P1
VDD
DA
CP
CS
RESET
OSCO
OSCI
GND
VFL1
COM24
COM23
KEY3
KEY2
RM
GND
TIMER
KEY3
KEY2
RM
GND
TIMER
GND
IIC BUSY
IIC DATA
IIC CLK
STBY.5V
TIMER
KEY3
IIC POWER
INPUT
REC MODE
ALBUM LED
POWER LED
POWER LED
ALBUM LED
3.3V
3.3V
P.DOWN
SYS 3.3
AC
AC
-32
DISPLAY.GND
RMC
FLCS
FLDT
KEY0
JOG0
KEY1
KEY2
JOG1
FCLK
FLUORESCENT
INDICATOR
TUBE
GROUP
GROUP
GROUP SKIP
LEVEL/DISPLAY/CHAR
I/
MD LP
/PUSH ENTER
AMS
EJECT
PLAY MODE
REC
LED DRIVE
LED DRIVE
STANDBY
FL/LED
FL DRIVE
FL DRIVE
LED DRIVE
PHONES
(KEY BOARD)
PC LINK
DRIVER
REMOTE
CONTROL
RECEIVER
PHONE LEVEL
(CHASSIS)
(CHASSIS)
BOARD
MAIN(1/2)
CN3
(Page43)
BOARD
BOARD
MAIN(2/2)
CN830
MAIN(1/2)
CN390
(Page43)
(Page44)
MDS-JE770
48
48
6-11. PRINTED WIRING BOARD – POWER SECTION – • See page 36 for Circuit Board Location.
There are a few cases that the part isn’t mounted in
model is printed on diagram.
model is printed on diagram.
MAIN BOARD
CN400
(Page 45)
F
AC IN
11
(11)
1-681-739-
PT BOARD
*
* NOT REPLACEABLE:
BUILT IN TRANSFORMER
BUILT IN TRANSFORMER
2
3
4
5
6
7
8
A
1
B
C
VOL–SEL
BOARD
11
(11)
1-681-745-
220–240V 110–120V
S990
VOLTAGE SELECTOR
D
TR900
C910
RY910
LF900
C901
JW903
D910
JW904
C952
C924
JW901
CN900
LP900
C923
EP900
JW902
C951
CN921
11
1
TR950
CN990
SP
EXCEPT SP
1
2
3
4
5
1
1
13
12
11
10
9
8
7
6
1
CN950
2
2
2
3
3
4
4
4
5
5
MDS-JE770
49
49
6-12. SCHEMATIC DIAGRAM – POWER SECTION –
(Page 44)
MAIN
BOARD (2/2)
CN400
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