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Excellent manual, detailed, very useful! Exactly what I needed, I'd recommend it to all who need it. Although images are scanned easily readable and explicit. A valuable tool product at a price more than modest, take it with confidence and you will not regret it!
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Clear and complete service manual. Easy now to restore my old Kenwood KD-1500.
Thanks a lot.
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Thanks for this "hard to find" service manual. This Sony PS212A is a very good turntable that needed to be restored !
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Excellent quality on these manuals. Same as having the original printed manual and incredibly useful when doing a custom install like me. Keep it up on the good work.
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This is an excellent information source. Great quality and tons of info regarding technical service for the Technics SH8065.
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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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