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It´s very very nice manual with all, what i need. Original in good quality. Very fast business. Very much thanks...
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Purchased the manual that I was looking for at a great price and could download it easily.. Great service experience and for future purchases I plan to use the site.
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A site where discontinualed schematic diagrams and back dated information can be found on discontinued radios tv's and any electronic equipment can be found. Newer manuals either Service and operating manuals. Radio amateurs should find this site a great source for ham radio equipment manuals. I will return to this site should I need information on any electrical equipment. priced easy to download in a PDF format and print pages need to undertake the repair.
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Quality scan of the original. All the detail necessary to troubleshoot, repair and adjust the unit. I'm sure I will be downloading more manuals in the future as the need arises.
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A Step 2-3: Input selection Step 2-5: SDA/SCL
CN1001 (Pin 5) Is the voltage "L" when selecting IN1? And is the voltage "H"(5V) when selecting IN2? Yes CN1001 (Pin 4) SELB SELA IC102 (Pin 7) No Diagnose the MAIN Assy. Does a signal output in constant period (0 to 5 V) ? Yes IC102 (Pin 9) SDA (HDMI OUT)
A
No Check the JA301 and IC102. If JA301 or IC102 is failure, replace JA301 or IC102.
SCL (HDMI OUT)
B
Is the voltage "H"(5V) when selecting IN1? And is the voltage "L" when selecting IN2? Yes
No Diagnose the MAIN Assy.
Does a clock output in constant period (0 to 5 V) ? Yes IC101 (Pin 39) Is there a same signal as IC102-pin 7 (0 to 3.3V) ? Yes IC101 (Pin 38)
No Check the JA301 and IC102. If JA301 or IC102 is failure, replace JA301 or IC102.
SDA_SINK
Step 2-4: Hot Plug Detect
CN1001 (Pin 7) HPD_IN
No Check the IC102 and IC101. If IC102 or IC101 is failure, replace IC102 or IC101.
C
Is the voltage "H" (5 V)? Yes CN1001 (Pin 6)
No Check the JA301. If JA301 is failure, replace JA301.
SCL_SINK
HPD_SINK
Is the voltage "H" (5 V)?
No Diagnose the MAIN Assy.
Is there a same No Check the IC102 and IC101. signal as IC102-pin 9 If IC102 or IC101 is failure, (0 to 3.3V) replace IC102 or IC101. ? Yes * When connected the source equipment to IN1;
D
IC101 (Pin 63) Yes * When connected the source equipment to IN1; JA101 (Pin 19) Is the voltage 5 V when selecting IN1? HPD0 Check the IC101 and JA101. If IC101 or JA101 is failure, replace IC101 or JA101.
SDA (HDMI IN1)
No
Is there a same No Check the IC101 and JA101. signal as IC102-pin 7 If IC101 or JA101 is failure, when selecting replace IC101 or JA101. IN1? (0 to 5 V) Yes IC101 (Pin 64) SCL (HDMI IN1)
Yes * When connected the source equipment to IN2; JA102 (Pin 19) Is the voltage 5 V when selecting IN2? Yes HPD1
No
Check the IC101 and JA102. If IC101 or JA102 is failure, replace IC101 or JA102.
Is there a same No Check the IC101 and JA101. signal as IC102-pin 9 If IC101 or JA101 is failure, when selecting replace IC101 or JA101. IN1? (0 to 5 V) Yes
E
B
F
VSX-918V-K
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