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Thanks you very much for this "hard to find" service manual.
Will help a lot in repairing this receiver.
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Thanks you very much for this "hard to find" service manual.
Will help a lot in repairing this receiver.
;
Thanks you very much for this "hard to find" service manual.
Will help a lot in repairing this tuner.
;
I have this hi-fi system for a long time and I need to repair some things. Founding this manual will be very helpfull :)
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It is pretty good. The schematics were covered all components, the manual also provide the parts list . It's useful for the trouble shooting.
KRC-17G/YA/YG, 194A/G/YA/YG, 266LA/LG/RG KRC-27YA/YG, 2904YA/YG, 294A/G/YA/YG
ADJUSTMENT
No ITEM INPUT SETTINGS RECEIVER SETTINGS ALIGNMENT POINTS ALIGN FOR
FM SECTION
1
SD
98.1MHz 0 dev 35dBµ(ANT input)
TEST MODE: ON FM 98.1MHz
Preset "1" key, and preset "6" key
While holding preset "1" key, press and hold preset "6" key for a few seconds. "ADJ OK" is good. "ADJ NG" is not good.
AM SECTION
(1)
SD
990 kHz 0% mod 35dBµ(ANT input)
TEST MODE: ON AM 990 kHz
Preset "1" key, and preset "6" key
While holding preset "1" key, press and hold preset "6" key for a few seconds. "ADJ OK" is good. "ADJ NG" is not good.
CASSETTE DECK SECTION
[1]
HEAD HEIGHT
SCC-1659
TAPE PLAY
Head Height Screw
1) During FWD transport adjust F and F ' so that line A of 2LINE TAPE passes through the center of the head shield plate (core center area) 2) During RVS transport adjust R and R ' so that line B of 2LINE TAPE passes through the center of the head shield plate (core center area) 3) After the alignment above, reverse the transport direction and check the FWD alignment again. If it is deviated, perform alignment again. (Tape used : SCC-1659,manufactured by A-BEX)
[2]
HEAD AZIMUTH
TCC-153 10kHz
Connect an AC voltmeter and oscilloscope to SP outputs. TAPE PLAY
Head Azimuth Screw
Adjust the azimuth for each L ch/R ch or FWD/RVS becomes maximum.
TEST MODE : ON TEST MODE : OFF
While holding the "FM" key and preset "6" key, reset the unit. Reset the unit.
TAPE SPEED
(2-LINE TAPE)
B
HEIGHT (FWD)
F
'
R
'
A (FWD)
HEIGHT (RVS)
B
HEIGHT/AZIMUTH (FWD)
F R
HEIGHT/AZIMUTH (RVS)
A
(RVS)
5
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