42
VSX-918V-K
1
2
3
4
A
B
C
D
E
F
1
2
3
4
Step 1-1: Screws on the rear panel
Step 1-3: Connect the HDMI equipment
Step 1-4: POWER ON
JA101
Do
screws of COAXIAL
jack securely
tighten?
Tighten screws securely.
No
Yes
Tighten screws securely.
No
Yes
Source equipment:
Connect a DVD player to HDMI 1 or HDMI 2.
To Step 2
Sink equipment:
Connect a TV to HDMI OUT.
Turn on the power of the Receiver and equipments
which was connected with HDMI.
Step 1-5: Function switch (HDMI 1 or HDMI 2)
Switch the function that HDMI was assigned.
Factory shipments setting:
HDMI 1: DVD
HDMI 2: TV
Step 1-2: FFC
CN1001, CN1002
COAXIAL jack
HDMI connector
*Should tighten one screw at least
for diagnosis.
Diagnosis
Preparation
HDMI Troubleshooting (VSX-818V)
A
JA601, JA602, JA701
Is FFC
cable inserted
securely?
Do screws
securely tighten?
Insert it securely.
No
Yes
Step 2-1: CE
CN1001 (Pin 1)
Is the voltage
"H" (5 V)?
Step 2-2: Power supply
No
CE
Diagnose the MAIN Assy.
Diagnose the MAIN Assy.
Diagnose the MAIN Assy.
Yes
CN1002 (Pins 1, 2)
Is the voltage
5 V?
No
V+5
IC911 (Pin 5)
Is the voltage
5 V?
No
V+5HD
* When connected the equipment to IN1;
* When connected the equipment to IN2;
Yes
Yes
CN1002 (Pin 5)
Is the voltage
7 V?
No
V+7
Yes
IC901 (Pin 1)
Is the voltage
3.3 V?
No
V+3R3V
Check the IC901.
If IC901 is failure, replace IC901.
Check the IC911.
If IC911 is failure, replace IC911.
Yes
JA101 (Pin 18)
Is the voltage
5 V?
No
V+5R0
Yes
Check the JA101.
If JA101 is failure, replace JA101.
JA102 (Pin 18)
Is the voltage
5 V?
No
V+5R1
Yes
Check the JA102.
If JA102 is failure, replace JA102.
• This shows failure analysis of the HDMI Assy.