Kenwood KR-4070 Service Manual page 7

KR-4070
DISASSEMBLY FOR REPAIR/CIRCUIT DESCRIPTION
REPAIRING THE PRINTED RESISTOR
When printed resistor illustrated as in the schematic diagram
is defective. Take the following method.
1. Scratch the surface of printed resistor on the PC board.
®
2. Solder the resistor, having the same value as the printed
resistor, on the rear of PC board. @
PC board
(front side)
Resistor rating 1/4W, +5%
(Parts No: RO14BY2Emumy)
PC board (rear side)
TUNER (X05-1470-10)
FM TUNER
FM signal is amplified by Qg 1 and mixed at Qg2 with the
local oscillator output from Qg3 so as to be converted to
10.7 MHz IF signal. The IF signal selected at Tg3, CFg1. Aas
Qg4 and CFg2 is fed to iCg1.
i
{
«mt «
tea?
NUsting gate
j
Fig. 1 HA1137W BLOCK DIAGRAM