Jvc RX 110 B Service Manual

Page 16

R-XHO/R-XHOE
R-Xl 10L/R-X1 lOLB

4. FM/AM (MW/ LW) Tuner Alignment Procedures
r W q

L101
L221 LZOI C101
(3») @ WCQ
mm, mm! mar 510;.
LlOZ {Q
C222 C202 man
@} @} mun
mwmr mer

1
L222 Lg?
W05: LWOSC
1.02 1.0I
tuumc
VOLYAGE
T1L1
® 4
CENTER
U R 142 11.1
[Elcsmsn
MEYEQ -J
R172 .
SEPARATION
R-X I 10/ L J
Fla. 5
FM Section 2 Set an RF generator to 90 MHZ a modulation of 1 kHz
and a deviant)" a! 75 kHz to provide an input 01 I uV.
Band Cover _ 3' Connect a VTVM and an oscilloscope to the Rec. out
I. Sel the frequency display to man MHz. jacks on the rear panel
2. Connect a DC. VTVM to TP401 and TP402 (GND). 4- 5 me frequency disnlav m 90 MHz.
3' Adm L111 0 3 the VTVM. shows 9-00 V' 5. Adjust coils L101, L102 to maximize the outpuL
4. And set the frequency display to 87.5 MHz.
5. Check the VTVM. voltage reading 160 V 1 045 V. High Fvlquency
Note: After adjustment, confirm that the band cover is 6, Set the RF generator to 106 MHz a modulation of
as no: (for West Germany only) 1 kHz and a devtation of 75 kHz to provide an input
FM: Low~end 87.5 MHz -300 kHz of 1 uV
Highend 108) MHZ +500 kHz 7. Set the Frequency Display to 106 MHI,
A h FM ' .
Sensitivity 8 03:31; t e trimmers 6101, C104 to maxnmie the q
Low Frequency . 9, Repeat these high and low frequencies adjustment
1, Connect an RF generator to 75 H antenna tennmals on alternately until maximum sensitivity is obtained.
the rear panel through a dummy antenna. (FM 759
75 S7. PAD)

l-7 (Not 2798)

Page 19

f-fi

n-xnomxnoa a-xnoinm
nxnoun-xnom R-XHOL/R-X

6-(2) R

mm

~ 5
":"J wrung. - .3",
1 .. 3-. - .m.
l . AM 4
I 2:: 3 o - ,
I l .' . r .
._ _l 1
Ir 3?"; j
l I .f E i535»
I ' 1
.

fi w
:T' V T i
- a .-.- £31, M w

lZ-H; 'i 3H\L~{i\-("H- "H2
' r 1 63"-

[ 7,

|_ _______________________ J -2": _ __ _
Nom: 5. When replacing the parts in the darkned area l_) and
1. -shows DC voltage to the chassis with no signal input. those marked with A , be sure to use the dasiqnalo-J
2. Indicates positive 8 power supply. pm: to ensure salary.
3. ----- Indicates negative 8 power supp|y. 6, Thls Is "as sxandard Circuit diagram.
4. - lndicaias signal paxh. The design and cements are subject to change without
nonce.

irAi,r _-. __ 7 -.¥#