20
HTP-071
1
2
3
4
A
B
C
D
E
F
1
2
3
4
Step 2: Power supply
C
N
601 (pin 14)
IC207 (pin 4)
Is the voltage 0 to 3.3 V?
Is the voltage 3.3 V?
Is the voltage 10 V?
Yes
CP104 (pins 1, 2)
Yes
IC205 (pin 2)
IC206 (pin 2)
IC200
Yes
Yes
N
o
Diagonose the MAI
N
Assy.
N
o
Check the pin 5 of IC207.
N
o
Is IC205 abnormally hot?
Yes
N
o
Replace IC205.
N
o
Replace IC200.
The output and G
N
D may be short-circuited.
Check the path between them.
Yes
The output and G
N
D may be short-circuited.
Check the path between them.
N
o
Diagonose the MAI
N
Assy.
Is the voltage 3.3 V?
Is IC206 abnormally hot?
N
o
Replace IC206.
N
o
Is the voltage 2 V?
Yes
Is IC200 abnormally hot?
CEC_O
N
sub MICOM 3.3V
IC609 (pin 3)
Is the voltage 5 V?
Yes
Yes
N
o
Check the IC609 and
replace it.
HDMI +5V
HDMI_10V
HDMI 3.3V
G
N
D is equal of chassis
HDMI 2.0V
To Step 3
Summary of Contents for HTP-071
Page 9: ...9 HTP 071 5 6 7 8 5 6 7 8 A B C D E F ...
Page 12: ...12 HTP 071 1 2 3 4 A B C D E F 1 2 3 4 4 2 OVERALL BLOCK DIAGRAM H FRONT ASSY A INPUT ASSY ...
Page 89: ...89 HTP 071 5 6 7 8 5 6 7 8 A B C D E F C SIDE B CP1 CP3 CP5 CN1 CN3 ...
Page 93: ...93 HTP 071 5 6 7 8 5 6 7 8 A B C D E F D SIDE B CN600 CP104 ...