Panasonic RX-FM15 - Electrical Parts and Alignment; Electrical Parts List; Alignment Instructions and Procedures

ELECTRICAL PARTS LIST
Numbering System of Resistor
Example
ERD
Type
ERX
Type
ERD:
RRD:
REPLACEMENT PARTS LIST
25 F
Wattage Shape
2 AN
Wattage Shape
Resistor Type
Carbon
ERG: Metal Film
ERX: Metal Film
ERQ: Fuse Type Metal
Carbon
(Chip Type)
: %
Important safety notice
Components identified by “ mark have special char-
actristics important for safety.
When replacing any of these components, use only
manufacturer's specified parts.
Wattage Tolerance
J 101
Tolerance Value
(100Q)
J 2R2
Tolerance Value
(2.2)
WJ: +5%
emark stand for that the parts are supplied in
MES
A.
Ratodt 15,
115, 215
2
3
4
10
R 12, 107,
308
R 14, 117,
217, 218
R 16, 21
R17
RESISTORS
ERD25FJ101
ERD25FJ221
ERD25TJ474
ERD25FJ100
ERD25FJ471
207,
ERD25FJ470
118,
ERD25TJ333
ERD25FJ222
ERD25TJ473
R 18, 28, 29,
103, 111
211
R 20
R 24
R 25, 100,
R 101, 102
209
, 203,
ERD25FJ472
ERD25FJ682
ERD25FJ821
307 ERD25FJ102
, 105,
119, 205, 219 ERD25FJ332
R 104, 109, 204,
ERD25FJ103
Ref. No.
Q1
Part Name & Description
R 106, 206 ERD25TJ823
R 108, 208 ERD25FJ822
R 110, 210 ERD25FJ562
R 113, 213 ERD25FJ151
R 114, 214 ERD25FJ1R0
R 116, 216 ERD25TJ154
R 305 ERD25FJ181
INTEGRATED CIRCUITS
AN7205
AN7220A
RViBA1332L
AN7310
RViBA5406
iC (FM FRONT END)
IC (FM/AM IF AMP, DET, AM
OSC, MIX)
IC (FM MPX)
IC (PRE AMP)
IC (POWER AMP)
TRANSISTORS
2SC1675K1
Q 101, 201
Q 301
2SA733P1
2SC2001K1
Transistor (IF AMP)
Transistor (REC. A.G.C)
Transistor (REGULATOR)
DIODES & RECTIFIERS
°D 1, 101, 201
D 302
RVD1N4148
LN213RP
D 303, 304
D 307
RVD1SR35
Diode (FM D.A.G.C, A.G.C)
LED (STEREO IND)
Diode (RECT.)
RVDRD6R8EB1 Diode (REGULATOR)
COILS
RLQY30S1
RLD4Y53W
RLF2V85
RLO2B105
Choke
FM OSC
AM Antenna
AM OSC
ECEA: Electrolytic
ECCD: Ceramic
ECKD: Ceramic
ECQM: Polyyester
ECQP: Polyproylene
ECET: Electrolytic
ECEAQCION: Non Polar
QCU 2: Ceramic (Chip Type)
ECUX: Ceramic (Chip Type)
RX-FM15 RX-FM15
Numbering System of Capacitor
Example
ECKD 1H 102 Z F
Type
Voltage
Value
Tolerance
Peculiarity
(1000 pF)
ECEA 50 M R47
Type Voltage Peculiarity Value
(0.47 pF)
Capacitor Type Tolerance
ECEA Type] Other |
OJ :
6.3 V}2H : 500 V DC|C:
1A :10V
1¢ 2
1E :25 V
1H : 50 V
1V:35 V
50 :
25:25 V
16:
Electrolytic
CAPACITORS
ECEA1HUOR1
C 35, 312 ECEA1AU221
C1 ECCD1HS60KC | C 36, 106,206 ECKD1H471KB
C 2,3 ECCD1H120KC | C 37, 43, 105,
C 4, 8, 311 ECKD1H103MD 108, 113, 205,
C7, 21 ECCD1H150KC 208, 213 ECEA1HU010
C 9, 309 ECKD1H102KB
C 10 ECCD1HOS50CC | C 39, 45, 46,
C 11 ECCD1H180KC 109, 209 ECFT1E153MD
C 12 ECCD1H030CC | C 40 ECQP2A102JZ
C 17, 29 ECCD1H470KC | C 47, 48 ECEA1HUR22
C19 ECKD1H103ZF | C 100, 104, 200,
204 ECKD1H682MD
C ECKD1H102ZF | C 101, 118,218 ECFT1E104MD
Cc ECFT1E223MD | C 102 ECFT1E683MD
C 103, 203 ECFT1E152MD
120, 220 ECFT1E473MD |; C 115, 215 ECEA1AU330
C 26 ECFT1E103MD | C 116, 216 ECKD1H102MD
C 30, 107, 114, C 117, 217 ECEA0JU471
207, 214, 302,
304, 315 ECEA1AU101 C 303 ECEA1CU330
C 313 ECEAt1CU222
C 31 ECEA1CU100 C 316 ECEA1CU471
C 33, 52, 112, C 317, 319 ECKD1H103ZF
212 ECFT1E333MD
Part Name & Description
TRANSFORMERS
RLi4B153 FM IF 1st, 2nd
RLi2B216 AM IF 1st
RLi2B217 AM IF 2nd
RLT5K3C7A Power Transformer A
VARIABLE CAPACITORS
V4LC2R2A = Tuning Capacitor W/Trimmer
Capacitor
VARIABLE RESISTORS
EWCVVAF15D54 Volume Control
EWCUVAF15A54 Tone Control
EVNK4AA00B14 FM VCO Adjustment
CERAMIC FILTER
RVFSFE107MAZ Ceramic Filter
SWITCHES
RSS2F05Z Record/Playback
RSS3FO6Y Band Selector
JACKS
RJJ1A3Y ACINA
RJJ1D27Z Headphones
MEASUREMENTS
AND
ADJUSTMENTS
m@ ALIGNMENT INSTRUCTION
READ
CAREFULLY
BEFORE
ATTEMPTING
ALIGNMENT
1.
Set
volume
control
to
maximum.
4.
Set
power
source
voltage
to
9V
DC.
2.
Set
tone
control
to
maximum.
9.
Output
of
signal
generator
should
be
no
higher
3.
Set
function
selector
to
AM
or
FM
ST.
than
necessary
to
obtain
an
output
reading.
m@ AM ALIGNMENT
SIGNAL GENERATOR or
BAND SWEEP GENERATOR RADIO DIAL
SETTING
AM-RF ALIGNMENT
Fashion loop of
several turns of
; Tuning capacitor , L9 (AM OSC Adjust for maximum
: Tuning capacitor , CT4 (AM OSC F
wire and radiate
signal into loop of
Adjust for maximum
(4)} AM " 550kHz_ | Tune to signal. M" output. Adjust L6 by
)
INDICATOR
(ELECTRONICS
VOLTMETER
or SCOPE)
ADJUSTMENT REMARKS
455 kHz
30% Mod.
at 400 Hz
Output meter
across voice
coil.
Point of non-
interference. (on/
about 600KHz)
T3 (AM 1st IFT)
T4 (AM 2nd IFT)
Adjust for maximum
output.
(* 1) L6 (AM
ANT Coil)
CT3 (AM ANT
Trimmer)
receiver.
moving coil bobbin
(*
1)
Cement
antenna
bobbin
with
wax
after
completing
alignment.
along ferrite core.
m@ FM ALIGNMENT
Adjust for maximum
SIGNAL GENERATOR or
BAND SWEEP GENERATOR
output.
CONNECTIONS /FREQUENCY
Repeat steps
High side thru.
(2)~(5).
0.001 uF to test
point ® . Negative
side to test point
Vv.
INDICATOR
(ELECTRONICS
VOLTMETER
or SCOPE)
RADIO DIAL
SETTING
Connect vert.
amp. of scope to
ADJUSTMENT REMARKS
test point
Negative nA to
T1 (FM 1st IFT)
test point Y .
Adjust for maximum
FM
”
"
”
”
T2
(FM
2nd
IFT)
|
amplitude.
(Refer to fig. 3.)
Adjust for maximum
amplitude.
(Refer to fig. 2.)
Point of non-
interference. (on/
about 90MHz)
10.7 MHz
(SWP.)
Vari
(3) 86.2MHz seach Bees Ve L4(FMOSC_ | (* 2) Adjust for maxi-
Connect
to
test
fully
closed.
voice
coil.
Coil)
mum
output.
point
W
through
Variable
(4)
FM
dummy
109.2MHz
|
capacitor
CT2
ree
antenna.
Negative
fully
open.
rimmer)
(* 2) Adjust for maxi-
mum output.
Repeat steps
(3)~(5).
side to test point
CT1 (FM ANT
on
Trimmer)
106 MHz Tune to signal.
)
Three
output
responses
will
be
present;
proper
tuning
is
the
center
frequency.
*2