Grundig RBX 1-RF Betriebsanleitung Seite 9

RBX 1-RF
Prozessorplatte, Netzplatte, Netzschalterplatte, LED-Platte, Schalterplatte
Control Board, Power Board, Power Switch Board, LED Board, Switch Board
T601
R604
BC546B
47K
T602
7
R605
5
BC546B
47K 4
(+5V)
3
2
6
1
P601
IC601
59852-001.00
GND VOUT VCC
D
LED BOARD
59451-575.94
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
IC408
+12V_R
7812
8305-209-712
P410
1
Mute Led
6
2 Operate Led
3 (+5V)
4
5
7
RC-IN
CLOCK EEPROM
DATA EEPROM
IC405
24C04
8305-602-400
BN P503
F
POWER SWITCH BOARD
59451-592.94
E
C502
K
BL
3.3N
C501
K
3.3N
RBX 1-RF
+5v
T403
BC546B
R471 R469
POWER DOWN
47K 1K
+5V IC407
7805
8305-205-703
IC406
Seite/page 2 - 3
F401
4MHZ
3 2 1 27 41 40 39 38 37 36 35 34 28 19
IC501
M37471M2-477SP
8305-207-501
4 5 6 7 8 9 18 22 21 25 42 23 24 29 26
+5V
(+5V)
+5v
C440
F
0.1U
10k
R450
POWER BOARD
59451-573.94
P405
1
SI501
T1Al
P411
G
1
SWITCH BOARD
59451-574.94
SW401
59401-047.00 gnd
2 - 5 GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
R459
47K
+18V
(+5V)VUP
R484
BC558B
T413
10K
+12V
-12V
DC_PROT.
+12V_R
20 17 30 31 32 33
T411
R481
10 11 12 13 14 15 16
10K
T412
R430
10K
P401
Seite/page 2 - 3
SW 401
MODE PIN 42
ROOM A
0
SURROUND
ROOM B
1
STEREO
CONTROL BOARD
C
59451-572.94
SI401
T500mA
15.1VAC
FROM TRAFO
BOARD
P418
10 7
6
R499
P112
5
FROM AUDIO
4
MUTE
BOARD
3
2
1
P403
BC546B
BC546B
20/01/97
2 - 6