Repair Parts List; Power Supply Circuit; Reparaturteilliste; Liste Despiécesde Rechange - Rotel Rt-925 Technische Anleitung

Repair Parts List

Reparaturteilliste

Liste despiécesde rechange
Schematic
Part
Location
TRANSISTORS,
0101, 102, 103 301201117
0201, 301 , 302 301201115
Q203, 204 601
301201134
602, 603, 604,
605, 606
0607 , 608 301301134
0609, 610 301101124
0901 301201
303452168
ICIOI
303452157
IC201
IC301 303452165
DIOI, 102, 103
300111010
104, 105
, 202 3001
0301, 302, 303
304, 305, 601, 300212004
602
0801 300414014
D901 , 902 300919024
D903 300313016
VARIABLE
VRIOI 510502154
510502155
VR201
VR301 510502153
VR302 510502156
VR601 , 602* 525101
Resistance taper of VR602
changed from B to A for the sets with the serial No. begin-
ning NA 88667.
Accordingly, its Part No. is changed as follows:
VR602 Part No.
No. Description
DIODES AND
2SC829(C), FM IF Amp
2SC828, AM Meter Amp, etc.
2SC1327, Audio Amp, etc.
2SD571, Power Amp
2SB605, Power Amp
170 2SC1984, Stabilizer
AN-377, FM IF Amp
gPC-30C, AM Conv and IF Amp
HA-1196, FM MPX Decoder
1S2473, FM Meter Rect, etc.
11008
1 K188, AM Det, AM Meter
Rect.
KB-269, Bias
SEL-105RC, FM Stereo Indicato
SR1 K4, Rectifier
WZ-210, Regulator,
RESISTORS
50KB, FM S-meter
IOOKB, AM S-meter
10KB, FM Stereo Adj
300KB, FM Stereo Separation
Adj
145 50KBx2, Output Level
Control. etc.
(Phone Level Control)
525101145 —+
Schematic
Location
IC'S
1-101
L 102, 901 , 002
L103
L201
L202
1.203
L204
L301
LOOI
L003
TOOI
XIOI, 102, 103
MOOI
M002
21 V, 0.5W
S2, 4
Cal.
Cal
PLOOI —005
has been
525101146
12
Part No.
COILS AND TRANSFORMERS
226501137 Quadrature
226501123 47gH, RF Choke
225501132
Discriminator,
226501124 2uH, RF Choke
223301124 AM
AM IFT, 1st
225301125
229101183
AM
228641118 FM Lowpass Filter
226501 121 FM Antenna
222391122 AM
Power Trans (120V only)
201001414
205001414 Power Trans (multivoltage}
Power
207001414
OTHERS
321304390 AM/FM
229101171
FM IF Bandpass
MHz
231310063
Signal Meter
231310072 Tuning/MuItipath
601011297 Function
611001253 Muting
611001254
Multipath
613000024 Deemphasis 50gS-75vs
611001253 Hi-Blend
614010127 Power Supply Switch
359101116 Lamp, 6.3V, 250mA,
Meter Light
141311371 AM/FM
Board Ass'y
141810720
Audio
Ass'y
141810716

Power Supply Circuit

141810717 Power Supply Circuit
Ass'y for Europe
141810718 Power Supply Circuit
Ass'y for Canada
Decription
Coil, FM
FM
OSC Trans
IFT, 2nd
Matching Trans
Antenna Coil
Trans (220V—240V)
Front End
Filter, 10.7
Meter, FM
Selector
Switch, etc.
Switch
Switch
Switch
Dial and
IF and MPX Circuit
Amplifier Circuit Board
Board
Board
Board