Grundig M 100-CF, Руководство по обслуживанию

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IC 101
µ
PC 1330 HA (REC/PB AUDIO HEAD SWITCH)
IC 102 CXA 1330 S (DOLBY B/C)
IC 103 CXA 1198 AP (STEREO CASS. DECK RECORDING EQUALIZER)
CXA 1198 AP
GP
GL
OUT (R)
*
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
C O N T R O L
GND (R) IN (R) VCC
I REF
SIDE CHAIN
SIDE CHAIN
GH
f / Q f Q OUT (L) GND (L) IN (L) VEE REF
GND
f M
1 2
SW R1 GND SW P2 VCC GND CONT SW P1 GND
4 5 6 7 8 9 3
SW R2
Comparator
*
µ
PC 1330 HA
Inverter
IC Blockdiagramme
IC Block Diagrams
M 100-CF Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of PCBs
3 - 15 GRUNDIG Service
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
CONNECTION
VOLTAGE REGULATOR
COMP REF
1
SIGNAL INPUT
1
PEAK HOLD
1
COMP INPUT
1
COMP OUTPUT
1
VCA OUTPUT
11
VCA OUTPUT
12
GND
BIAS OSC INPUT
VCA OUTPUT
21
VCA OUTPUT
22
COMP OUTPUT
2
COMP INPUT
2
PEAK HOLD
2
SIGNAL INPUT
2
COMP REF
1
VCC
IC 111
µ
PC 1297 CA (DOLBY HX-PRO)
IC 403 X 24 COOP (EPROM)
µ
PC 1297 CA
1 2 3 4 5 6 7 8 9
18 17 16 15 14 13 12 11 10
ABSO
DET
PEAK
DET
ABSO
DET
PEAK
DET
VCA
VCA
PRE
DRIVER
V
CC
V
R2
V
IN(R)2
PH
2
C
IN2
C
OUT2
V
OUT21
V
OUT22
V
IN(0)
V
ST
V
R1
V
IN(R)1
PH
1
C
IN1
C
OUT1
V
OUT11
V
OUT12
GND
VOLTAGE
REGULATOR
THERMAL
PROTECTION
COMP
COMP
1
2
3
4
8
7
6
5
NC
NC
NC
Vss
Vcc
NC
S CL
S DA
X 24 COO
NC = NO CONNECT
Vss = GROUND
Vcc = SUPPLY VOLTAGE
SDA = SERIAL DATA
SCL = SERIAL CLOCK
CONTROL
LOGIC
INPUT/
OUTPUT
BUFFER
COMMAND/ADRESS
REGISTER
SHIFT REGISTER
MEMORY ARRAY
S CL
S DA
X 24 COO
MOR
Mode
Control
MOR
ATT
ATT
HLS
HLS HDET
HDET LDET
LDET LLS
LLS
IREF
LINE IN1
PB IN1
MPX OUT1
NRSW
LINE OUT1
SSK IN1
VF IN1
SSK1 VCT1 TCH1
TCL1
REC OUT1
VCT0
Vcc
MPX IN1
LINE IN2 PB IN2 MPX OUT2 MPX IN2 MODE LINE OUT2 SSK IN2 VF IN2 SSK2 VCT2
TCH2 TCL2
REC OUT2 IREF GND
GND
30 29 28 27 26 25 24 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 2 3 1
CXA 1330 S