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HCD-D170/G1100
6. TCB BOARD CIRCUIT CHANGE
SCHEMATIC DIAGRAM
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(A) MAIN BOARB
CN250
12
13
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« Semiconductor
Location
etn. [ Las
D1
F-2
NOTE
*All capacitors are in pF unless otherwise noted.
pF: per
SOW or less are not indicated except for electrolytics
and fantotums,
"All resistors are in Q and {/4W or less untess otherwise
specified,
°
A
sinfernal
component,
* [_]
panel designation,
¢
[Bt]
:Bt Line.
¢ [__]
sadjustment for repair,
e Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions,
no mark: FM
(
}: AM
*
ican not be measured,
Voltages ore taken with o VOM(Input impedance 10MQ),
Voltage variations may be noted due to norma!
produc-
tion tolerances,
e Waveforms are taken with a oscilloscope.
Voltage variations
may be noted due to normal
produc-
tion tolerances,
¢ Signal path,
FM
>
AN
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