Sony HCD-ESX6 / HCD-ESX8 / HCD-ESX9 Service Manual ▷ View online
HCD-ESX6/ESX8/ESX9
17
SECTION 5
TROUBLESHOOTING
Switching Regulator (AMP-SMPS) Diagnosis Flow (1/4)
(ESX6)
No.
Desc
Ref No.
1.
AC Input
CN901
2.
6.3A/250V AC
Fuse
F901
3.
Reti
fi er - KBJ1006G
D902
4.
0.1
Ω
Fuse Resistor
R914
5.
A931 Main Primary Heat Sink
ASSY
A931
6.
Main T
ransformer
T901
7.
A932 Main Secondary Diode Heat Sink
A932
8.
CN4 connector
CN4
pin 1 to 5: V1 output (36V±1.8V)
pin 6 to 9: V1 GND
pin 10: DCDC 12.5V
pin 1
1: DCDC 12.5V GND
pin 12: No Connect
pin 13: Fan Speed
9.
CN2004 connector
CN2004
pin 1:
Thermal V
ACS cct 3.3V
pin 2:
Thermal DET
pin 3: 3.3V GND
pin 4: ECO Ever 7V/12V
pin 5 to 6: DCDC 12.5V
pin 7 to 8: DCDC 12.5V GND
pin 9: Fan supply (DCDC 5.1V)
pin 10: Main On
pin 1
1: Fan block
pin 12: No Connect
pin 13: Fan Drive
10.
JS1002 for V1 ouput (+)
11.
JW958 for V1 GND (-)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(11)
(10)
HCD-ESX6/ESX8/ESX9
18
(ESX8)
No.
Desc
Ref No.
1.
AC Input
CN901
2.
10A/250V AC
Fuse
F901
3.
Reti
fi er - KBJ1006G
D902
4.
0.1
Ω
Fuse Resistor
R914
5.
A931 Main Primary Heat Sink
ASSY
A931
6.
Main T
ransformer
T901
7.
A932 Main Secondary Diode Heat Sink
A932
8.
CN4 connector
CN4
pin 1 to 5: V1 output (50V±2.5V)
pin 6 to 9: V1 GND
pin 10: DCDC 12.5V
pin 1
1: DCDC 12.5V GND
pin 12: No Connect
pin 13: Fan Speed
9.
CN2004 connector
CN2004
pin 1:
Thermal V
ACS cct 3.3V
pin 2:
Thermal DET
pin 3: 3.3V GND
pin 4: ECO Ever 7V/12V
pin 5 to 6: DCDC 12.5V
pin 7 to 8: DCDC 12.5V GND
pin 9: Fan supply (DCDC 5.1V)
pin 10: Main On
pin 1
1: Fan block
pin 12: No Connect
pin 13: Fan Drive
10.
Fan Connector
CN2000
11.
JS1002 for V1 ouput (+)
12.
JW958 for V1 GND (-)
Switching Regulator (AMP-SMPS) Diagnosis Flow (2/4)
()
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(12)
(11)
HCD-ESX6/ESX8/ESX9
19
(1)
(2)
(3)
(4)
(8)
(7)
(5)
(9)
(13)
(18)
(17)
(11)
(12)
(14)
(16)
(6)
(10)
(15)
Switching Regulator (AMP-SMPS) Diagnosis Flow (3/4)
(ESX9)
No.
Desc
Ref No.
1.
AC Input
CN901
2.
10A/250V AC
Fuse
F901
3.
Reti
fi er - D15XB60
D902
4.
0.1
Ω
Fuse Resistor
R914
5.
A931 Main Primary Heat Sink
ASSY
A931
6.
Main T
ransformer
T901
7.
2.2
Ω
Fuse Resistor
R965
8.
A-933 Sub Controller STR-Y6763
IC965
9.
Sub T
ransformer
T903
10.
A932 Main Secondary Diode Heat Sink
A932
11.
Sub Secondary Diode
D1001
12.
CN4 connector
CN4
pin 1 to 5: V1 output (50V±2.5V)
pin 6 to 9: V1 GND
pin 10: V2 output (13.5V±0.65V)
pin 1
1: V2 GND
pin 12: No Connect
pin 13: Fan Speed
13.
CN2004 connector
CN2004
pin 1:
Thermal V
ACS cct 3.3V
pin 2:
Thermal DET
pin 3: 3.3V GND
pin 4: No Connect
pin 5 to 6: V2 output (13.5V±0.65V)
pin 7 to 8: V2 GND
pin 9: Fan supply
pin 10: Main On
pin 1
1: Fan block
pin 12: No Connect
pin 13: No Connect
14.
Fan Connector
CN2000
15.
JS1002 for V1 output (+)
16.
JW922 for V1 GND (-)
17.
JW923 for V2 output (+)
18.
JS1000 for V2 output (-)
HCD-ESX6/ESX8/ESX9
20
Switching Regulator (AMP-SMPS) Diagnosis Flow (4/4)
No
AC IN
The
Pow
er
C
ontr
ol
si
gnal
to SMPS
as below voltage?
ESX9 M
ain
o
n
ECO Mode
D
em
o
M
od
e
Po
we
r O
n
CN2004
Pin10:
Low
(0V
)
Low
(0V
)
Hi (3.3V)
Power On
ESX8 Main On
ECO Mode
Demo Mode
CN2004 Pin10:
Low
(0V
)
Hi (3.3V) Hi (3.3V)
Power On
ESX6 Main On
ECO Mode
Demo Mode
CN2004 Pin10:
Low
(0V
)
Hi (3.3V) Hi (3.3V)
Check whether state of cable and outlet are normal.
If there are no problem, check circumference circuit from
Main On on output of panel side
Ye
s
No
Ye
s
The SMPS output as below voltage?
ESX
9
Main Output
EC
O
Mode
D
emo Mode
Power On
JS1002(+) + JW922(-):
Low (0V)
Low (7V)
Low (0V)
Hi (36V±1.8V)
Hi (50V±2.5V)
Sub Output
ECO Mode
Power On
D
emo
Mo
de
JW923(+) + JS1000(-):
H
i (
13
.5
V±
0.
65
V)
H
i (13.5V±0.65V)
H
i (13.5V±0.65V)
ESX8 Main Output
EC
O
Mode
D
emo Mode
Power On
JS1002(+) + JW958(-):
Low (7V)
Hi (50V±2.5V)
Hi (50V±2.5V)
ESX6 Main Output
ECO Mode
Demo Mode
Power On Hi (36V±1.8V)
JS1002(+) + JW958(-):
Replace SMPS parts
ESX9
Main output -> A931(Q908,Q909,D903), R914
Sub output -> A933(IC965), R965
ESX8/ESX6
Main output -> A931 -> (Q908,Q909,D901), R914
EN
D
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