Cd-Platte - Grundig PA 5 - Turnit Serviceanleitung

Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs

CD-Platte

CD Board
HF - AMPLIFIER
C305
C300 R301 C304
K
K K
82p/2% 47K 150p/5% 47p/5%
C301 R302
K
82p/2% 330K
C302 R300 F R303
13 12
K
+1V +1V
150p/5% 1K 6K8
74HCU04
HF
D4 R136
12 D5 68K
DS
11 D3 R137
D1
D4 10 D2 R138 120K
D2
9 D1 120K
D1
8 SUBSTRATE R139
7 +5V LASER 1K
6 GND LASER
5
4
3
FOCUS
L L L
2 IC200
TRACK
TDA7073A
1
CON100
1
RAD- 16 VDD
-
14 +
RAD+ 13
FOC+ 12
+
2
10
-
FOC- 9
SERVO DRIVER
16 VDD
-
14 +
13
SL-
-
M SLEDGE 6 SL+
+
5 TT- 12
-
M DISC 4 TT+
+
3 GND
+
INTSWITCH 2 HOME 10
-
1
CON101 9
MOTOR DRIVER
TDA7073A
IC201
3 - 19
R304 R305
10K 10K
HF
C306
E D
7
K
11 10 9 8 +1V
+1V +1V +1V
74HCU04 74HCU04 R312
47p/5%
3K3
C308
R306
K
D
22p/5%
22K
HF
A R307 B R310 R311 C 8
3 4 1 2 5 6 +1V
+1V +1V +1V +1V +1V
3K3 3K3 3K3
74HCU04 74HCU04 74HCU04
3
R102
33
LASER SWITCH
0V
+0.7V
T130
BC338-40
C101
1
+
L
4u7/63V
2
R130
3
10K
R131
4
R132 10K
5
R133 10K
R134 10K 6
10K
7
R135
8
10K
9
10
11
12
nicht bestückt
R206
not fitted DA
13
4.7
VDD
14
5 R207
+9.7V
15
+A
3.3
16
1
+1.7V
2
HF
+1.7V
HF
R200 R202
C102
27K K
6K8
HF
47p/2%
6
+1.7V
7
R203 R205
+1.7V 6K8 22K
RADIAL
FOCUS
SLIDE
R217
5 R213
+9.7V
+A
1K
3.3
1
+1.7V
2
D D
+1.7V
R208 R210
6K8 27K
R211
6 TURNTABLE +
0V
7
39K
R212
TURNTABLE -
0V
39K
GRUNDIG Service
PA 5 - Turnit Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
74HCU04
IC300
1
+4V
C B A
R433
E F
220
14
HF
D
C108
C107
C110
K K
+
10N 47p/5%
47u/16V D
D
D
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
VSS1
VSSA1 SCLK
MICROPROCESSOR
VDDA1 INTERFACE VDD2P
Q1 WCLK
Q2
DATA
CONTROL PART VERSAT
Q3
PINS MISC
VRL
V1.VVS KILL
PRE FUNCT
PROC. CONT
Q4 V5
KILL
R1 V4
ERROR EBU
FLAGS
R2 CORRECTION INT.
VS
IREF1
PLAY VSS2
EFM RAM DETECT
DEMOD. SRAM
VRH ADOR SUB
Vret
RCK
VSSA2
DIG
MOTOR
PLL CONTROL SFSY
SELPLL
ISUCE SBSY
OUTPUT
HFIN
TIMING MOTOR 2
STAGES
VSSA3 MOTOR 1
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
D
D D
R108
1M
4.00MHz Q100
D
HF
L
D
1 3
1.5V
100mV ss
eff
2
200mV
eff
3 - 20
T431
BC548_B
+5V
R434 D A D
14 15 12 11 9 10
100 C407
2 6 +2.3V
F
BCK VOL 1N
1 7 R405
+2.3V
WS
FILCL
IC400
470
TDA1549T C404
15
+2.3V F
5
DATA FILTCR
1N
R404
3 +2.3V
4
TEST1 VOR
NC
470
8 13
C109 +2.3V
K
100n/+50-20%
D
48 R104
A
470
47
46 R105
470
R106
45
470
44
R430
43
10K
42
IC 100
SAA7378GP
41
40
GNDA
39
38 D
37
SW500
36 D
TRAY SWITCH
35 8134-020-169
34
33
TRAY -
TRAY +
RESET
EBU DATA
SILD
SICL
T160
BC548_C
+9.7V
R500
+A_TRAY
1K8
1
R501
+VP
+4.6V
IN+
1K 2 OUT+
5
+4.6V
R502 OUT-
IN-
8
3
GND
1K
6
IC500
TDA7072
PA 5 - Turnit
C400
+ CON102
1
A +A
100uf/16V
2
GND
3
C409 +5V
P518
4
+
ANOUT-R
p. 3-10
5
AGND
4u7/16V
6
ANOUT-L
C408 7
KILL
A A
+
4u7/16V
A A
+5V
T430
BC558_B
TRAY -
9
TRAY +
8
TRAY_SW
7
RESET
P519
DATA 6
p. 3-10
SICL 5
4
GND
SILC 3
2
GND
R166
1
CON103
100
-
M
2 TRAY
+
1
CON104
21/01/98
GRUNDIG Service