Grundig SCD 3390 RDS Serviceanleitung Seite 17

SCD 3390 RDS / Challenge 600 CD
mspannung 2,0V - 6,0V
MP28
LOC-OSC/10
MP21 LOC-OSC
AM/FM-SW
LOC-OSC
RF-NF-L
MP201
LOC-OSC/10
MP202 RF-NF-R
MP200 STEREO-ANZ Q-10.25MHZ
FMP714 CR714A
5V0
R200 +G
1K8
47K
-MONO/ST
CT706A
BC848C
CT707A
BC848C
C214
00N
FMP217 MPX
106
33-350
1 4
3 6 8
FM-ZF
CR106
1K2
8V6
R108 +S
Spannungen am IC TUA 4300G (CIC 01)
10R
IC FM AM IC FM
PIN PIN
1 4V1 0V 19 5V2
8 FELDST
2 0V1 0V 20 0V
3 3V5 3V5 21 0V2
5V0
+G 4 0V 0V1 22 4V6
5 0V 0V 23 4V6
6 4V7 0V 24 3V3
7 4V7 0V 25 8V4
MULTIPATH
8 0V 3V5 26 0V
9 0V 3V5 27 8V5
AM-SEEK-SW
10 0V 3V5 28 8V5
5V0
11 8V6 8V5 29 8V5
+G
12 8V6 8V5 30 8V5
13 0V4 2V2 31 0V
FMP617 AM-ZF
14 0V 1V8 32 6V2
15 0V 1V7 33 0V3
16 0V 4V0 34 0V3
17 0V 4V0 35 2V3
18 5V2 5V0 36 2V3
GRUNDIG Service
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Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
FMP16
3V4
FM_IN
24
SWITCH
3V4
CC702
AM/FM
19 HFREF
3V4
22N
25
2V3 AM_IN
Q701
9
OSCIN
10,25MHZ
8382-213-102
2V3
CC718A
CR715A
REF.OSCILLATOR
OSCOUT
10
6K8
220P
ADDR
20
SCL I2C BUS
12
INTERFACE
SDA
13
14 BIT PROG.CNT
CR704A
10K IF_AM
14
IF_FM
15
CR721A
10K 3V4 3V4
FMP106
AM IC FM AM IC FM AM
PIN PIN
5V0 37 4V7 4V7 55 4V3 5V1
6V7 38 2V2 2V2 56 3V0 3V0
1V6 39 2V2 2V2 57 2V9 2V9
4V6 40 8V4 8V2 58 4V7 2V7
4V6 41 8V1 8V1 59 0V 0V
3V3 42 0V6 1V6 60 4V7 0V
8V4 43 2V0 0V 61 4V7 0V
0V 44 4V4 4V8 62 8V1 8V2
8V5 45 3V0 3V0 63 0V4 0V8
8V5 46 3V0 3V0 64 3V0 3V0
8V5 47 3V0 3V0
8V5 48 3V0 3V0
6V9 49 3V3 3V2
0V 50 3V0 2V9
2V3 51 0V 0V
2V3 52 0V5 0V BAUTEILWERT ´XX´ : NICHT BESTÜCKT
0V3 53 2V9 2V9
COMPONENT VALUE ´XX´ : NOT FITTED
0V3 54 2V5 2V5
manuals search engine
SCD 3390 RDS / Challenge 600 CD
AM-FM PLL
PRECOUNTER INLOCK
5 BIT PROG.CNT
:32/33 DETECTOR
SWITCH SWITCH
11 BIT PROG.CNT
PHASE CHARGE
SWM/DIR SWM/DIR
COMP PUMP
16 BIT PROG.CNT
TEST
LOGIC
TIMER CONTROL PORT EXTENSION
11 - 21 BIT PROG.CNT
SSTOP
16 17 18 5 6 7 8
FMP726 FMP727
3V2
0V1
3 - 5 GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
Loop FM Loop AM
INLOCK
LPHC
2
LPFM
1
SWITCH
FM fref= 50kHz
LP1/LP2
3
LPAM
AM fref= 1kHz
-
LPOUT
28
VDD1
+
2V4
VREF
4
GNDAN
26
CIC701
VDD2 9V6
TDA4727D 27
8305-847-427
VDD1 4V9
21
GNDDIG
22
POWER ON
RESET
NC 23
NC
11
R712
10K
CR734
10K
FMP729
0V1 0V1
2V1 3V2
8V6
5V0
ALLE SPANNUNGEN GEMESSEN BEI UB=14V GEGEN MINUS
ALL VOLTAGES MEASURED AT UB=14V WITH RESPECT TO NEGATIV
OHNE SIGNAL
WITHOUT SIGNAL
OHNE SIGNAL:AM
WITHOUT SIGNAL:AM
OHNE SIGNAL:FM
WITHOUT SIGNAL:FM
MIT SIGNAL:TB
WITH SIGNAL:TR
BC848C
CT721A
3V2
0V1
HAUPTPLATTE
MAIN BOARD
19353-182.00 SCD 3390 RDS
19353-188.00 CHALLENGE CD
WELLENBEREICHE
87.5MHz.......108MHz
WAVE BAND FM
531kHz.......1620kHz
MW
09.02.98
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