Dual CT 1540 RC Serviceanleitung Seite 13

IF
1
IF OUT
ClUAD.IN REF. BIAS
8 9
04 04
Delayed
AGC driver
3. IF
amp.
1
3. IF
detector
1
IF level
meter driver
7
7
FOND
GND
TUNE METER
DETECTOR
IN V+
12 16
0
CA 3089
V stab.
V+
SWITCH LOOP STEREO TIME
FILTER FILTER LED CONST.
9 10 13 14 7 15
H
Pilot phase
detector
0
V+ 06 06 05 INHIBIT 05
16
15 14 13 12
11
CD 4502 8
Quadrature
detector
A FC
amp.
Quad ature
level
detec or
Audio
amp.
[Mute contr.
driver
Audio
cont . amp.
9
03 03
t_V o_
12 6
5
MUTE LOGIC
MUTE
76 kHz
VCO
7 3312d2rier
38 kHz TO
1 .19 kHz quadra-
ure divider
H
Pilot amplitu•
de detector
Stereo switch
lamp driver
5A 758
38 kHz TO
19 kH irr
phase divider
Amp.
Iepvt
butler
l v
I todreue o i ate
Output
bot fer
OUT
GND
16
8
GND
MPX
IN
V+
15
14
13 12
Controled
RF pre
stage
—+•—•-1=—•-1=1—•
6
LEFT
RIGHT
DEEMPHASIS
V stab.
5
OUT
RIGHT
1
OUT
TEST
LEFT 19 kHz
10 9
Controled
Oscillator
Balanced
mixer
TDA 1072
Standby
switch
9
Controled[..
IF amp.
Push.pull
detector
OUT LED
10 11 12 13 4 15 16 7 18
Pre
amp.
n
UR.
Indicator
driver
AGC
control
MR.
9
A A A AA
AAAA A
MODE
SELECT
AMP.
LM 3914
REFERENC
V STAB. VOLTAGE
SOURCE
BUFFER
F
6
3
2 7 8 4 5
R HIGH V+ GND VREF. VREF. R LOW
OUT ADJ.
0
8
FREQ. v +
COMP.
14 13 12
54 723
10 9
3 4 5
Dl DISABLE 01
ISTATE
BRIGHTNESS190__
CONTROL
ENABLE
230
SER. DATA 2 20—
CK 210—>
VC V OUT VZ
11
10 9
02
35 output buffers
Gl i s JD
14
13 12 11 10
CD
4066
7
2
8
GND
0 0 Ö 0
0 0
2 3 4 5
6 7
GND
BUF
PAR
PAR IN
OUT SER
SER
V+
7 6 5
Q7 IN
CK CONT
16 15 14
13 12 11
10 9
0 0
CD 4014
8.STAGE STATIC SHIFT REGISTER
0 0 0 0
1 2 3 4
0
0
5 6
0 0
7
8
8 06
PAR BUF
IN OUT
09
BUF
OUT
4 3
2 1
VSS
PAR - IN
REF.
VOLTAGE
SOURCE
V
STAB
0
2 3 4
LIMIT SENSE
COURRENT
IN
5 6
7
IN VREF. GND
V+ RESEIS 028
04A
DATAB
01B
036
CLOCKA
16 15 14 13 12 11
10 9
0 0 0 0
CD 4015
DUAL 4.BIT STATIC
SHIFT REGISTER
0 0
0 0
1 2 3 4 5 6 7 8
CLOCKs 03A 014 DATAA
04s 024 RESETA GND
GND
14 13 12 11 10 9 8
LM 324
o 6 o o
o
2 3 4 5 6 7
14 13 12 11 10 9
8
R 7238
R7210
R7232
Fuse plate
equipement side
125m
•
13