Rotel RX-504 Technische Anleitung Seite 10
Gain
Diagram
Verstaerkungsdiagramm
au
Diagramme de Gain
le
.re
Ie
AM
SECTION
220mV
(ANT
INPUT
5mV/M
300/0
Mod
)
FM SECTION
775mV
( ANT
INPUT
1mV
100% Mod.)
MAG
2.5mv
35.5dB
1 50 mV
Troubleshooting Guide
Unit inoperative (Dial and Meter lamps light)
Check the following
items; If F901
blown,
1. Rectifier D901, 902, 903, 904, 905 or 906 may be
faulty, or
2. Capacitor C901, 905, 906 001 or 002 may be faulty,
3. Transistor 0901 may be faulty, or
Leitfaden zur Stoerungssche
Gerät
funktioniert
nicht
(Abstimmskalen
Wnstrumente-Beleuchtung
brennt):
Überprüfen,0b die Sicherungen F901 und/oder F902
durchgebrannt Sind.
Falls F901 und/oder F902 durchgebrannt Sind:
1. Gleichrichter 0901, 902, 903, 904, 905 Oder 906
defekt, Oder
2. Kondensator C901, 905, 906, 001 Oder002 defekt,
Oder
Guide de dépannage
L'appareil ne fonctionne pz
(lampes de Vindicateur
d'accord et duS-métre
allumées).
Vérifier si le fusible F901 et/ou F902, estgrillé. Si F901
ou/et F902 est grillé:
1. Le rectifieur D901, 902, 903, 904, 905 ou 906 peut
étre dfectueux, ou
2. Le condensateur C901, 905, 906, 001 ou 002 peut
étre défectueux, ou
3. Le transistor Q901 peut étre défectueux, ou
4. Le circuit de protection contre Ia surchargepeut étre
The dotted
tine symbol are specification
RX-604 with
RX—501. differential
point
11.1
AMP
MAIN
17dB
2S.5dB
:18SdÉ]
CHANNELS
DRIVEN
AU x
TAPE
IN
1 50mV
4. Overload Protection circuit may be faulty.
and/or
F902 is
Overload Protection circuit may be faulty. (RX-604 only)
A. Protection
Relay is chattering
1. Main Amp. circuit may be shorted
B. Relay is not activated when Power Switch is set ON
l. Relay RY601 may be faulty, or
2. Transistor 01001, 1002 may be faulty, or
3. ICIOOI may be faulty.
und
3. Transistor 0901 defekt. Oder
4. Überlastungsschutzschaltung
defkt.
funktioniert
A. Schutzrelais Kalppert:
l. Haupt-VersterkerschaIter
defekt.
B. Relais spricht
nicht an, wenn Netzschalter auf ON
gestellt wird:
1. Relais RY 601 defekt, Oder
2. Transistor QIOOI Oder 1002 defekt, Oder
3. ICIOOI
defekt.
défectueux.
Leiprotége-surcharge
nefonctionnepas.(RX-604only)
A. Le relais de protection claque.
I. Le circuit de I'amp peut étre défectueux.
B. Le relais ne fonctionne pas Iorsque I'interrupteur
d'alimentation est mis en marche (ON).
I.
Le relais RY601 peut étre défectueux, ou
2.
Le
transistor
01001
ou
défectueux, ou
3.
Le ICIOOI
peut étre défectueux.
—11—
Repair Parts List/ Reparaturteilliste/ Liste des pieces de rechange
Schematic
Parts NO.
Locat
ion
TRANSISTORS,
of
302001114
0101
0102, 103
301201163
0104.105
301201117
301001145
0201
0301-304
301201115
0501.502
301201134
AMP
301201155
0601.602
OUTPUT
0603-608
301201164
n
19v/8 OHM
0609-612
301001142
301301134
0613.614
0615.616
301201150
301201165
Q617ß18
301201192
BOTH
301201193
Q619ß20
301001135
301001143
0621 f22
301001161
301001162
0623
301201115
0624
301201155
303452112
0625.626
301201169
Q901
0101.102
300111008
0103
300111010
0201
300111008
0202
300111010
300111010
0601-604
D605,606
300212015
300919026
0607.608
0801806
300111015
D807,808
300111010
0901.902
300313007
300919028
0903-906
ICIOI
303452199
IC201
303452200
IC301
303452197
IC401,402
303452192
IC501
303452152
ICIOOI
303452187
COIL
AND
VARIABLE
nicht: (RX-604 )
LOOI
222301219
1-101
226501131
L 102-104
226501132
L 105
226101135
L 106
226501128
L107
225501131
L108
226501127
L 109
226501125
Ll
10
225501139
L201
223301135
L202
225301136
L203
229101194
L301
228641148
L601, 602
228641126
L901 , 902
226501127
VRIOI
510502154
VR301
510502141
VR302
510502153
VR501
515101205
VR502
525121145
VR503,
504
525101165
VR601 ,602
510502172
1002
peut
étre
VR603,604
510502153
VR802,802
510502147
VR1001.1002510502145
Schematic
Description
Location
DIODES
AND
IC'S
SWITCHES
RCA40468A,
FM RF Amp.
FM MIX,
OSC etc.
2SC829(C).
FM IF Amp.
2SA921 (S.T), for Switching.
2SC828(R),
Audio Amp.
Flat Amp.
2SC1318(R ,S), Current Constant.
2SC1885(R.S),
Differential
Amp.
Mirror
Current.
Differential Amp.
2SD571 (K,L), for Bias.
2SC1567(RS),
Driver (RX-504)
S12
Driver
(RX-604)
2SC2580
(R.O.Y).
Power Amp.
(RXs04)
2SC2581
Power Amp. (RX-664)
2SA794
(RS).
Driver (RX-504)
2SA913 (Q,R), Driver (RX-604)
FOOI ,002
2SA1105 (R
Power Amp. (RX-504)
2SA1106(R .O,Y). Power Amp. (RX-604)
F003.004
2SC828(R),
Discharge (RX-504)
Relay Driver (RX-504)
F901902
gPA63H,
Different
Amp.
1K 188. FM AGC Det.
F901 ,902
IS2472,
for Switching.
1 K 188, Meter
Rect.
1S2472, for Switching.
IS2472.
Temperature
Compensator,
F903
Current
Mirror.
SV-03S, Temperature
Compensator.
IN4003.
Rectifier,
Power Supply Prot.
F904
2-1K261,
Meter Rectifier.
OTHERS
1S2472, Meter Rectifier.
BZ-210,
Zener Rewiator
21V, 'W.
RY601
IN5404,
Rectifier.
MOOI
LA 1231, FM IF Arnp.
M002.003
uPC1178C,
AM IF Amp.
cool ,002
AN363N,
MPX Amp.
C003,004
HA1457W,
Phono
Amp.
RCA4558D,
Tone Arnp.
HA 12002W, Circuit
Protection.
RESISTOR
JOOI
TOOI
AM
ANT
Coil
FM
ANT
Coil
FM
RF
Coil
FM
OSC
2.2ßH, FM IF Trap coil
470gH.
Choke Coil
18gH, Phase Shifter
FM
IFT
FM
OSC
AM
IFT
3rd.
AM
IFT
1st. 2nd.
19KHz.
38KHz Filter
Anti-ParasitiC
470gH.
Choke Coil
50KB,
FM Muting Level Adj.
12KB MPX VCO Adj.
10K B MPX Separation Adj.
250KW,
Balanæ Control
100KBx2
Volume
Control
100KCx2
Treble,
Bass Control
1000B,
DC Balanæ
Adj.
IOKB, Idling Adj.
10KB,
Meer
Calibratim,
IKB.
Overload
Protection
Adj.
(RX604
mly)
— 12 -
Description
Parts NO.
AND
FUSE
614040829
Switch, Push 4-Key, Aux. Phono
FM
and
AM
Switch,
Lever Tape 1, Tape 2,
611001280
FM Muting
Loudness
etc. (RX-504)
611001280
Switch, Lever , Tape 1 . Tape
2, Muting
FM Muting
Audio Muting Loudness
etc. (RX$04)
614030826
Switch.
Push 3•Key. Sub Filter,
Speaker-B and Speaker-A
(RX-504)
614030828
Switch, Push 3-Key, Sub-Filter.
Speaker-B and Speaker-A
(RX-604)
Switch,
Power Supply
(RX-504)
614010127
Switch, Power Supply (for
CSA)
614010142
614010127
Switch, Power Supply
iRX-604)
Switch, Power Supply
(for CSA)
614010142
, 4A, Speaker Protector (RX-504)
341221400
345222400
Mini
size (RX-504)
Mini size with "S" "D"
Mark (RX-504)
345252400
341221450
Fuse, 4.5A, Speaker Inside
Protecctor
(R X-504 CSA only)
341221600
Fuse, 6A. AC Circuit
Protector
(RX-504)
345222600
Mini
size (RX 504)
345252630
Mini Size with "S" "D" Mark (RX-504)
341221700
Fuse, 7A, AC Circuit
Protector
(RX604)
345222700
Mini size (RX-604)
345252730
Mini size with "S" "D" Mark (RX604)
341221150
Fuse, 1.5A, Lamp Protector
345222150
Mini
size
345252160
Mini
size with
"S"
"D"
Mark
341242400
Fuse. 4A AC Protector
(UL only)
240111239
Relay Overload Protector
231310101
Meter, Signal and Tuning
231310106
Meter,
Watt
410680450
Smoothing
Capacitor
470101128
Spark killer, AUM 4700PF
(for
UL CSA)
440471095
400V
4700PF
4700PF Y Type (for BEAB CEE SEV)
470101124
626110023
Headphone
Jack
Transformer,
Power Supply
201001471
(120V only RX-504)
201001473
(120V only RX-604)
(220v/240v
RX-504)
206001472
206001474
(220V 1240V RX604)
205001471
(RX-504)
205001473
Mufti-voltage
(RX-604)
648211121
AM/FM/MPX/MAIN
Amp.
141010166
PCB Ass'y (75gs RX-504)
(75gs RXG04)
141010169
(50gs RX-504)
141010167
141010170
(50gs RX$04)
Tone Control PCBAss'y (RX-504)
141710319
141710320
(RX-604)
141810908
Function
Switching
PCB
Ass'y (RX-504)
(R X -604)
141810912
Meter Amp. PCB AS'y
141810909
141810913
Overload
Protection
PCB
Ass'y (RX-604
only)
141818907
Fuse PCB Ass'y (RX-504)
141810911
Fug PCB Ass•.y (RX-604)
649201122
Terminal,
Screw
5P, Antenna
642400111
Terrninal.
Push 4P Speaker
624204204
Jack. RCA 4P (PCB Type)
Jack,4Pwith 5PDin Type (PCBType)
649201194
