Grundig M 28-C Servicehandbuch Seite 53

M 18-C ... M 48-DC
Blockschaltplan CD-Wechsler CDC 3 DH / Block Diagram CD Changer CDC 3 DH
CDC 3 DH bei allen Geräte bis Ser.-Nr. 001047
CDC 3 MG bei allen Geräte ab Ser.-Nr. 001048
CDC 3 DH at all sets until serial no. 001047
CDC 3 MG at all sets from serial no. 001048 onwards
CD MECHANISM CDM12
SERVO-DECODER-DAC-LOADER CONTROL PCB
DISC
7806
TDA7073A
TURNTABLE FOC+
MOTOR
FOCUS
FO
MOTOR FOC-
RAD+
RADIAL
RA
MOTOR RAD-
7807
TDA7073A
SL_OUT+
SLEDGE
SL
MOTOR SL_OUT-
TTM+
MOT1
TURNTABLE
MOTOR TTM-
MOT2
+5V
LASER
7808-7809
SUPPLY
LDON
PHOTO
DIODES
D1
D1-D5 D2
D4
D3
D1 D5
D4
D2 D3
R1
7801-->7805 R2
D2-D4
HF
HFIN
AMPLIFIER
INNER SWITCH
1881
CDM SWITCH
1880
OPEN/CLOSE SWITCH
1882
CARROUSEL SWITCH
SWITCH INFO
7871
TDA7073A
CARROUSEL
MOTOR
TRAY MOTOR
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
7800
+10V
+5V
CC DAC
TDA1311A
SCLK
BCK
WCLK
WS
SERVO-DECODER
DATA
DATA
CD7
SAA7378GP/M1
RESET
SILD
SCL
7874
SDA
7872
8,46MHz
SHIFT
REGISTER
HEF4094BT
SWITCH INFO
SWITCH INFO
M 18-C ... M 48-DC
Verdrahtungsplan CD-Wechsler CDC 3 DH / Wiring Diagram CD Changer CDC 3 DH
1 = OE_LATCH
2 = PORE
3 = GND
4 = SILD
5 = DATA
6 = SICL
7 = SHR_CL
8 = STR_OUTP
1805
9 = SWITCH_INFO
10 = +10V
11 = GND
12 = +5V
13 = RIGHT
14 = GNDA
15 = LEFT
16 = GND
17 = DIGITAL OUT
1805
18 = DIGITAL OUT
7851
LEFT
VOL
RIGHT
VOR
PORE
CONNECTOR BOARD
SILD
1874
SICL
DATA
to FRONT to AF
Interface CD-Wechsler CDC 3 DH
Interface CD Changer CDC 3 DH
OE_LATCH
STR_OUTP
SHR_CL
4 - 31 GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
MONO BOARD
1800
1 = RAD-
2 = FOC+
3 = FOC-
4 = RAD+
1 = INNER SWITCH
5 = GND
2 = SWITCH_INFO
6 = LDON
3 = TTM+
7 = +5C
4 = TTM-
8 = D1
5 = SLOUT+
9 = D2
6 = SL0UT-
10 = D3
11 = D5
12 = D4
1873
5 BLUE
6 WHITE
To 23 Front
page 4-14
page 4-20
To 53 AF
page 4-45
page 4-49
1801
4 YELLOW
3 GREEN
4 - 32