Diagrammeschématique - Rotel Rt-925 Technische Anleitung
Am/fm stereo tuner
Inhaltsverzeichnis
SchematicDiagram
Schaltungsschema
Diagrammeschématique
FM
FRONT
FB-
3
2
z
LOOI
\ RL-92 or RI--156
WHT
RED
GRN
YLW
BLK
L003
RL-72B
AM
ANTENNA
(RESISTORS)
TOLERANCE UNLESS
OTHERWISE
K ----KILO
OHNI
M ----MEGA
OHM
RESISTORS
1/2
NON MARK
LOW
NOISE
TYPE
CARBON
(CAPACITORS)
0---MYLAR
FILM CAPACITOR
S
TANTALUM
CAPACITORS
@---
POLYSTYRENE FILM CAPACITORS
@---LOW
NOISETYPE CAPACITORS
+---ELECTROLYTIC
CAPACITORS
*
—-TEMPERATURECOEFFICIENTCAPACITORS
NON MARK
CERAMIC
CAPACITORS
• UNLESS OTHERWISE NOTED IN SCHEMATICALL CAPACITANCE
VALUES
ARE
EXPRESSED
IN
MFD
• VOLTAGE READING WITH VTVM FROM THE POINT SHOWN
TO THE CHASSIS GROUND(LINE VOLTAGE 120VOLT)
• VOLTAGE
READING
MAY
VARY
220%
3 CORE CORD CONNECTION
BRN
O
GRN/
POWER
SW
o
BLU
WHT
CHASSIS
GROUND
POWER TRANSFORMER STRAPPING
A - TYPE
C- TYPE
BRN
ORN
BLU
WHT
120VAC
YLW
RED
YLW
END
621
5
4
(FM
IF
o
12
C102
L002
47DHg
0.01
2
0
COIL
4
NOTED
(AM
WATT
RESISTORS
1/4
WATT
(SIDE VIEW)
LIVE
YLW
ROUND
HA 1137
N UTRAL
AN 377
upc30c
HAI 196
POWER
IOOVAC
ROO 2
2-2M
14
FUNCTION
AUTO
—ST.
ONLY
—
MONO
AMP.)
R 105
100
R102C
o
R106r
68K
68K
C104
0.01
QIOI
0102
x 101
o
FEIO.7MA8
1203
0101,
0102,
2SC829
x 2
1 C203
1.202
RL-39
IC201
DPC-30C
1.4V
IAV
AMR) 8.
CONV
8
IF
2SB605
2SD571
ECB
o
2SC1984
FM
AM
FM
BCE
OUTPUT
(SIDE VIEW)
POWER
16 15 14
13 12
to 9
CHASSIS
0
123
4
56
7
8
(TOP VIEW)
*C002
0.0047
R
101
8
120
USED ONLY
C003
00047
UNIT
WITH
VOLTAGE
SETTING
AT220—24WOLTS
USED ONLY FOR THE
UNIT
WITH
VOLTAGE
SETTING
ATIOO-IOVOLTS
O
AM
(2
FM
AUTO
FM
ST.
ONLY
FM
MONO
R109
560
O
1.3V
X102
IC
RL_66
X102
SEIO.7MA8X2
2.1v
R203
22K
c 206
V
18mv
5.9V
9
O
3
45
6
8.2K
c 207
0.01
0
L204
SCHMATIC
ITEM
IF
AMP.
R131
CONV a
IF
AMP.
R220
MPX
DECODER
R318
AMP.
a
R642
HEADPHONE
AMP.
SUPPLY
R905
ROOI
POWER
TRANSFORMER
TOOI
240V
BRN
RED
ACI
BLU
BLK
220V
AC2
ORN
120V
GRN
PPL
3
PLOOI
PL
3
OW22
PL005
THE
SIGNAL
METI
MOOI
VR 101
50K(B)
IS
o
0
Cill
.05
MON
5.7 v
6.2V
13
101
AN-
377
or
HA1137
2.1
2
6
7
4.9V
Rill
C109
330
0
O
0
& 10
VR201
0201
IOOK(B
IK188
R205
1K
Q 21
C2/4
0
RL-
129
LOOATION
(LAST)
C125
C219
C316
C621
( BOTT
C906
c 004
5
0901
AC FUSE
FS 01
SRIK-40r
Q5A(500mAT)
(SM-l-02)
F902
u
R901
o. SAC
3WlOO
0902
(SM-1-02)
F 903
(1.6A) 1.5A
F904
0.5A
2
USED
ONLY FOR
CSA
Inhaltsverzeichnis
