Ic Block Diagrams; Display - Grundig PA 5 - Turnit Serviceanleitung

Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
Schaltbild Pick-Up-Einheit / Circuit Diagram Pick Up Unit
1
2
3
4
2
5
7
10
11
1
12
9
10
7
9
6
8
6
S
Laser
Unit
nicht abgleichen!
do not adjust!
3
LASER
8
5
4
IC-Innenbeschaltungen / IC Block Diagrams
µPC 1330 HA
Inverter
Comparator
1 2 3 4 5 6 7 8
SW R1 GND SW P1 CONT GND VCC SW P2 GND SW R2
QUAL RDDA VREF MUX VDDA VSSA CIN SCOUT
1 2 3 4 5 6 7 8
VP1
DIFFERENTIAL
REFERENZ
DECODER
VOLTAGE
ANTI
57KHZ
BIPHASE RECONSTRUK.
ALIASING
BANDPASS
SYMBOL FILTER
FILTER
(8th ORDER)
DECODER
QUALITY-
COSTAS LOOP
CLOCKED
BIT VARIABLE AND
COMPARATOR
GENERATOR FIXED DIVIDER
CLOCK SAA6579T TESTLOGIC AND
OSZILLATOR
REGENERATION OUTPUT
DEVIDER
AND SYNC SELEKTOR SWITCH
16 15 14 13 12 11 10 9
RDCL T57 OSCO OSCI VDDD VSSD TEST TSTLD
16 15 14 13 12 11 10
- +
A T T 1
+
S C D E T
A T T 2
A T T 3
CXA 1100
A T T 3
A T T 2
S C D E T
-
A T T 1
+
+
1 2 3 4 5 6 7
3 - 43
RADIAL-
FOCUS+
FOCUS-
RADIAL+
CON100
p. 3-19
SUBSTRATE
D5
D4
D3
D2
D1
+LASER
GND
GL GH I REF VCC IN (R)
GP
16 15 14 13 12 11
C O N T R O L
9 1 2 3 4 5 6
f /Q f Q f M REF VEE IN (L)
GND
VDD
1
OUT+ 5
2 IN+
+
TDA7072
-
3
IN-
OUT-
8
6
GND
FIR Filter
16
DATA
7th Order Halfband Filter
Control
WS 1 and
Timing
Linear Interpolator
BCK 2
16 fs
3
TEST
6x Oversampling 6x Oversampling
9 (Sample and Hold) (Sample and Hold)
96 fs
2nd Order 2nd Order
Noisehaper Noisehaper
Data Encoder Data Encoder
16 (4–bit) 16 (4–bit)
FILTCL Calibrated Calibrated
Current Current
5
Sources Sources
Left Output Right Output
4 Switches Switches
OP1
VOL
16 (4–bit) 16 (4–bit)
Calibrated Calibrated
Current Current
Sinks Sinks
VREF
8
Reference
Source
9 10
8
VSSO VDDO VDDA
GRUNDIG Service
PA 5 - Turnit Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs

Display

1: RADIAL -
2: FOCUS +
49
3: FOCUS -
4: RADIAL +
5: GND
6: + LASER
7: SUBSTRATE
8: D1
9: D2
10: D3
11: D4
12: D5
rec
ANODE CONNECTION
14G 13G, 12G 11G ~ 7G
rec
P1 B1 a
P2 B2 b
P3 B3 f
GND (R) OUT (R)
P4 B4 k
10 9
P5 B5 j
P6 B6 h
SIDE CHAIN P7 S2 B7
m
CXA 1198 AP
P8 S3 B8 g
SIDE CHAIN
P9 B9 n
P10 B10 p
P11 B11 r
7 8
GND (L) OUT (L) P12 B12 -
P13 S9 B13 c
P14 S10 B14 e
P15 B15 d
P16 B16 -
P17 - B17 -
P18 - B18 -
TDA 1549
14G 13G
15 VDDD
B5 B4 B3
B6
S1
B9
14 B10
VSSD
B11
S2 S3
B14
13
N.C.
S4
B13
S5
B15
S6
B16
rec
FILTCR
6 B17
-
7
+ OP2
VOR
1 12
11G 10G 9G 8G
VSSA
3 - 44
1
kHz
MHz
6G 5G 4G 3G, 2G 1G
a a a a a
b b b b b
f f f f f
k k k k k
j j j j j
h h h h h
m m m m m
g g g g g
n n n n n
p p p p p
r r r r r
co - Dp - -
c c c c c
e e e e e
d d d d d
- - - - kHz
- - - - MHz
- - - - -
12G
B2 B2 B3 B4 B5
B1 B1 B6
B8 B8
B7 B7 B9
B10
B14
B12 B12
B13
B16
B17
B18 B18
co Dp
a
h j
f b
k k
g
m m
n
r
e c
p
d
7G 6G 5G 4G 3G 2G
PA 5 - Turnit
PIN-No. . Connection
1 ............. F1
2 ............. F1
3 ............. F1
4 ............ N.P.
5 ............ N.P.
6 ............ P18
7 ............ P17
8 ............ P16
9 ............ P15
10 ........... P14
11 ........... P13
12 ........... P12
13 ........... P11
14 ........... P10
15 ............ P9
16 ............ P8
17 ............ P7
18 ............ P6
19 ............ P5
20 ............ P4
21 ............ P3
22 ............ P2
23 ............ P1
24 ........... N.C.
25 ............ I.C.
26 ........... N.P.
27 ........... G.d.
28 ........... G.d.
29 ........... N.P.
30 ............ I.C.
31 ............ 1G
32 ............ 2G
33 ............ 3G
34 ............ 4G
35 ............ 5G
36 ............ 6G
37 ............ 7G
38 ............ 8G
39 ............ 9G
40 ........... 10G
41 ........... 11G
42 ........... 12G
43 ........... 13G
44 ........... 14G
45 ........... N.P.
46 ........... N.P.
47 ............ F2
48 ............ F2
49 ............ F2
F1, F2 : Filament
N.P. : No Pin
N.C. : No Connection
1G ... 14G : Grid
I.C. : Internal Connection
G.d. : Diffusion Grid
14G
S8
B11
S7
S9 S10
S11
S12
B15
S13
kHz
MHz
1G
GRUNDIG Service