Sharp HT-CN150DVW

HT-CN150DVW
15
TROUBLESHOOTING CHART (3/3)
7
8
A B C D
E
1
23456
Cannot Read The
Disc Or Intermittent
K
RE-Insert and fix
the cable
Yes
cable is loose or bad INT
Check Main Board
Loader is OK?
NO
NO
Change Loader
CN801 CN803 CN812 CN813
AM FM
No Output
L
RE-Insert and fix
the cable
Yes
Check Main Board
ANT001 CN002
cable is loose or bad INT
Check Main Board
NO
NO
CN 151
Check Main Board
Supply Power
AUDIOL/R
No Output
C
Video
No Output
SCART SUB OUT
E
No Output
EarHead Phone
No Sound
D
VFD Display
No Show
AndKey Function
AV CONNECTOR
F
No Output
G
B
H
AllFunction No Working
A
I
5.1-CH.STEREO
No Output
S-Video
No Output
J
OPTICAL
No Output
Cannot Read The
Disc Or Intermittent
K
AM FM
No Output
L
MAIN UNIT REPAIR CHART
Check Main Board
C813 CN803 CN812 voltage
CN801 signal IN
Change IC802
RE-Insert and fix
the cable
NO
Change 0805 0806 ciruit
CN803 NO
CN813 NO CN812 NO
CN801 NO
Change IC801 ciruit
Change IC804 ciruit
Repair IC802 circuit
Repair IC802
around circuit
NO
Repair IC201circuit
Repair IC201
around circuit
NO
Repair IC804801 circuit
Repair Q800-803811
Q813 around circuit
NO
YES
YES
YES
YES
Check Main Board
IC801 and IC201 connect
Voltage Circuit signal IN
MIC IN
No Output
H
RE-Insert and fix
the cable
RE-Insert and fix
the cable
Yes
Check Main Board
JK 301 cable is loose
or bad INT
NO
Check Main Board
CN 801B cable is loose
or bad INT
NO
Disturb CN801B PIN12
ConfirmSpeaker
Yes
NO
Check Main Board
5.1 - CH.STEREO
No Output procedure
Check Main Board Between
CN801A TO CN801B
Yes
Check MIC Board
Confirm IC801A802A803A Supply power
Disturb IC802APIN35 Confirm Speaker
Yes
No
ConfirmIC802A Periphery
Renewalbastarf
Check MIC Board
Disturb IC803A PIN 7
Confirm Speaker
Yes
No
Check Between
IC 802A PIN35 to
IC 803APIN7return
Check MIC Board
Disturb IC801A PIN 15
Confirm Speaker
Yes
No
Check Between
IC801A PIN15 to
IC803APIN5 return
ControlIC802A
Check MIC Board
Disturb R B855B
Confirm Speaker
Yes
No
Check Between
RB 855B to
IC803A PIN3 return
ControlJK301 IC803A
CN 803 PIN1 3V
CN 803 PIN2 0V
CN 803 PIN3 0V
CN 803 PIN4 = CN803 PIN5
NO DISC STATUS
CN 813 PIN1234=0V
CN 812 PIN1 = PIN2
CN 803 PIN1 3V
CN 803 PIN2 0V
CN 803 PIN3 0V
CN 803 PIN4 = CN803 PIN5
PLAY STATUS
CN 812 PIN1 = PIN2
CN 803 PIN1 4V CN 803 PIN2 6.5V
CN 803 PIN3 0V
CN 803 PIN4 2.3V
Pin1
Pin2
Pin3
Pin4
Pin5
Pin6
Pin7
Pin9 Pin10
Pin8
Pin11
Pin13
Pin14
Pin12
Pin15
Pin16
Pin17
Pin18
Pin19
Pin20
Pin21
Pin23
Pin24
Pin22
Pin25
Pin27
Pin28
Pin26
NO DISC STATUS CD PLAY STATUS
Pin1
Pin2
Pin3
Pin4
Pin5
Pin6
Pin7 Pin9
Pin10
Pin8
Pin11
Pin13
Pin14
Pin12
Pin15
Pin16 Pin17
Pin18
Pin19
Pin20
Pin21 Pin23
Pin24
Pin22
Pin25
Pin27 Pin28
Pin26
1.5V
2.5V
2.5V
1.5V
2.5V
0V
0V 1.2V 1.5V12V 6.1
2.5V
2.5V
6.1V
2.5V
2.5V 3.6V
3.6V
5V
2.5V
12V
1.5V 2.5V0V
2.5V
1.5V
0V
1.5V
1.5V
2.5V
2.5V
1.5V
2.5V
0V
0V
5.2V
5.2V11V 5.5V
2.5V
2.5V
5.6V
2.5V
2.5V 4.7V
6.4V
5V
2.5V
11V
1.3V
2.5V
0
2.5V
1.5V
2.3V
1.5V
Change IC201 Pin 117
118 Signal
Change IC802
Change IC802
Repair IC802 circuit
Repair IC802
around circuit
NO
PIN4 12V PIN5 6 7 8 signal
IC201 Signal