
GRUNDIG Service
3 - 24
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
RR 640 CD / RR 670 CD
IC701 CXA2542AQ
PS1-4
TM1-7
TG1-2
FS1-4
IFB1-6
BAL1-4
TOG1-4
DFCTO
FE AMP
FO. BIAS
WINDOW COMP.
TGFL
TRK. GAIN
WINDOW COMP.
F IV AMP
E IV AMP
V
EE
V
CC
TG1
TM1
DFCT
TRACKING
PHASE COMPENSATION
IIL DATA REGISTER
INPUT SHIFT REGISTER
ADDRESS DECODER
SENS SELECTOR
OUTPUT DECODER
V
EE
V
EE
E-F BALANCE
WINDOW COMP.
E
F
FEI
FDFCT
FLB
FE_O
FE_M
TA_M
TG2
TGU
SRCH
FGD
FSET
LD
RFTC
RF_M
RF_O
RF_I
CB
CC1
FOK
CC2
CP
PD1
PD
SL_P
SL_O
ISET
V
CC
CLK
DATA
XRST
SL_M
C. OUT
XLT
SENS1
PD2 IV
AMP
PD1 IV
AMP
V
CC
V
EE
APC
V
EE
LASER POWER CONTROL
RF SUMMING AMP
V
CC
V
EE
LEVEL S
FZC
TZC
ATSC
BALL
BALH
TGL
TGH
FOL
FOH
LDON
LPCL
LPC
TGFL
V
EE
V
CC
MIRR
DFCT2
V
EE
V
CC
ISET
V
CC
V
EE
V
CC
TM5
TM6
V
EE
V
CC
TM3
TM4
FSET
TG2
FOCUS
PHASE COMPENSATION
TM7
V
EE
V
CC
FS1
FS2
DFCT
FS4
IIL
↓
TTL
42
44
45
46
48
2
3
4
6
7
8
9
10
11
12
1
13
27
28
29
30
39
38
36
35
34
31
32
33
14
15
16
17
18
19
20
21
22
23
24
25
26
TM2
V
CC
FZC COMP.
TZC COMP.
ATSC
WINDOW
COMP.
MIRR
FOK
BAL1
BAL2
BAL3
BAL4
IFB1
V
EE
V
CC
IFB6
IFB5
IFB4
IFB3
IFB2
TOG1
TOG2
TOG3
TOG4
37
5
TA_O
SENS2
ATSC
LPFI
TEO
VC
TDFCT
TZC
FEO
FZC
PD2
47
40
41
43
IIL
↓
TTL
TTL
↓
IIL
V
CC
V
EE
V
CC
V
EE
V
CC
V
EE
CC1
XDFCT1
INT
IC801 PT2249A