Rotel RX-1203 Technical Information Seite 15
Repair Parts List
Reparaturteilliste
Listedes piécesde rechange
Schematic
Part
No.
Location
TRANSISTORS,
DIODES
0101,
102, 107
301 , 302, 303
301201
115
901 , 902, 904
905
Q104, 105, 106
108, 109, 110
301201117
Q401 ,
402,
301201
156
0405
, 406, 409
410, 801 , 802,
301001
145
810, 903, 906
0407,
408
301201171
0501 , 502, 503
504, 505, 506
301201134
507, 508, 509
510
0803
301001142
0804
301201161
0805,
811, 813
301301134
0806,
809
301201164
0807
301201 159
0808
301 001 138
0812
301001136
0907
301 201155
0908
301201132
0909
301001
140
0910,
911
301301131
0001 , 002, 003
004, 005, 006,
301201173
007, 008
0101,
102, 103
300111008
104, 105, 903
0106, 108. 109
301 , 302, 304
300111010
305, 306, 904
907. 908
0303
300313018
0401 , 402, 803
300212008
0701 , 707
300118014
0702,
703,
300313015
705, 706
D801 , 802
300212002
0804
300212010
0901 , 902
30'
,19024
0905
300212004
0906
300515001
0909, 910
300313013
0911
300313019
0912
300919031
COILS
AND
TRANSFORMERS
L 101, 106, 107,
226501124
L102
229101183
L103
223301124
L104
225301
127
L 105
226501
130
L 108
228641
119
Description
AND
IC'S
2SC828, AM Audio Amp,
FM Muting etc.
2SC829, FM IF Amp, etc.
2SC1222,
Phono
Differential
Amp
2SA921 , Main Differential
Amp,
etc.
2SC1980,
Phono Amp
2SC1327, Tone Amp
2SA912.
Bias Compensator
2SC1628,
Driver
2SDS71 , Limiter.
etc.
2SC 1885, Predriver
2SC1624, Driver
2SA818,
Driver
2SA814,
Driver
2SC131 8, Relay Driver
2SC1384,
Stabilizer
+8
2SA684.
Stabilizer,
—B
2SD526, Stabilizer
2SC1 116. Power Amp
IK188,
FM AGC
Rect,
etc.
1S2473,
FM Det. etc.
WZ-140, Regulator.
14V, o.5W
KB-165,
Phono Amp Bias
SEL-IOSRC.
FM ST and
Overload
Ind
SEL.305GC,
Function
Ind
KB-265,
Main
Amp
Bias
SV-04F.
Main Amp Bias
SR1 K 4, Overload
Bias Rect
KB-269,
B,as
2SF6S6, Thyristor
Regulator,
12 V, 0.5W
wz-120,
WZ-350,
Regulator,
35V, 0.5W
S.15VB-20,
Rectifier
RF Choke,
2gH
AM
IFT, 1st
AM
OSC
Coil
AM
IFT,
2nd
AM
RF
Coil
AM
Low
Pass Filter
16
ForService M anuals Contact
MAURITRON
TECHNICAL
SERVICES
8 Cherry TreeRd,Chinnor
Oxon oxg 4QY
7±-01844-3510101844-35æ
Enu:-
Schematic
Part
No.
Location
L 109, 111
226501
1.110
226501
L112
226501
L 113
225501
225501127
L.114
L301 , 901 , 902
226501
903, 002
228641
1302
L801
228641124
1001
222391135
226501140
L004
TOOI
205001424
204001424
206001424
VARIABLE
VRIOI,
102
510502154
VR103
510502143
VR301
510502153
510502156
VR302
VR303, 304
510502155
VR501
515121125
VR502
525121137
VR503,
504
525101140
VR801 , 802
510502145
VR803
510502146
SWITCHES
5
60101
1312
613000024
sa
611001245
S4, 10
611001237
S5,8
11
611001238
611001232
611001228
S12, 15
613000022
14 (1
S13,
set)
614020420
S16, 17 (1
set)
614020421
SIB
611001247
611001248
OTHERS
321304351
MOOI
231310064
M002
231310063
102, 103
229101171
104
R Y 301
2401 11228
2401
11229
Description
141
RF Choke, 47gH
122
FM IFT
137
FM Quadrature
Coil
125
FM 'FT, Discriminator-I
FM IF T, Discriminator-2
123
RF Choke, 47gH
118
FM Low Pass Filter
Anti-parastic
Coi I
AM Antenna
Coil
FM Antenna
Matching
Coil
Power Transformer,
(Multivoltage)
Power Transformer,
(IOOV/
120V)
Power Transformer,
(220V/
240V)
RESISTORS
50KB,
FM S-meter Cal, FM
Dist Adj
IOOKB,
AM S-meter
cal
10KB, FM Stereo Adj
300KB,
FM Stereo Separation
Adj
IOOKB, FM Muting Level Adj,
etc.
250KW, Balance Control
1 OOKBTx2+100KCx2,
Volume
Control
50KBx2,
Bass and Treble
Control
IKB,
Main Amp DC Balance
and Bias Adj
5KB,
Overload
Protection
Level Adj
Function
Selector
FM De-emphasis 50gS-7SgS
Selector
Tape
Copy
Tape Monitor,
Treble
Turnover
Mode Selector, Bass Turnover.
etc.
Audio Muting,
Loudness
High Filter
Phono Sens, Selector,
etc
Push 2-key, FM Muting, etc.
Push 2-key, Speakers
Power Supply (Regular Type)
Power Supply (SEMKO, BS
Type)
AM/FM
Front
End
FM Tuning
Meter
Signal Strength Meter
FM IF Bandpass Filter
Relay, FM Muting
Relay,
Speakers
