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MODE
BUFFER
REC.
B/C
R/P GND V+ VREF
REC PB MON.
OUT1
OUT
25
24
27 15
14
8
7
3
2
6
4
5
23 22
21
V+
14 13
12 11
10
0
0
0
0
0
C= H
B = 1/2 H
OFF- L
REC= H
PB L
TEA 0665
DOLBY B•C SYSTEM
A'A
FILTER
B /C
REC - PB SWITCH MATRIX
J
HIGH LEVEL STAGE
LOW LEVEL STAGE
>-
2 8
26
j
9 10
11
12
2
20 19
18
17
16
IN
IN
OUT
PB
REC PRE AM P
TEA 0665
Bi
V i
OUTI OUT2
3
7
2
10
BA 6109
MOTOR
ROTATION
SYSTEM
LOGIC
V+2 B2
Z
8
9
4
0
CW
5
6
1
REV
FW
GND
BA 6109
V+
RB RA
GND
10
14 15 16
9
8
V STAB
--11•06
AN 6882
7 LED SCALE
DRIVER
MATRIX CURRENT
DRAIN
1.CELL 2.CELL
3. CELL
11 12
AN 6882
10
BA 6109
1
l
•
42
[I
111
:
28
_
.
1
n
16
21 El
22
14 0
15
8
9
CD
4066
0
0
0
1
2
3
4
TC 4066 BP
V+
14
13
12
11
10
9
CD 4001
NOR
1
F
1
2
3
TC 4001 BP
D-
0
0
6
7
GND
"1+
GND
2
DN 6838
Hall
Cell
Vstab
Output
Stage
DN 6838
3
Out
16
15
IG
13
12
11
10
CD 4049
0
0
0
0
1
2
3
4
5
8
V+
GND
TC 4049 BP
IN
V+ 10 1 12 13 20 2, 23
23 10 11 13 13 Ort 01 03 031 —'
1RST 1
42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22
IN/OUT
TMP 4320 AP
4-Bit-Microprozessor, 2 kByt ROM
Quarts
INT
LLLLWLLO
1
2
3
4
5
6
7
8
9 10 11
12 13 14 15 15
17 18 19 20 21
Test 01 01 03 03 Oo 01 03 03 10 1
12 13 2o 21 22 23 3o 31 33GND
IN
TMP 4321 P
TMP 4321 P
TEA 0665
TC 4049 BP
AN 6882
TC 4066 BP
TC 4001 BP
OUT
V+
8
AN 6556
1 c
4
• U
38
3
5
AN 6556
V-
11
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