Panasonic PV-20DF62 Service Manual page 155

8.3. AUDIO SCHEMATIC DIAGRAMS
AUDIO SCHEMATIC DIAGRAM
SEPARATION(L)
L9001
100U
C9020 C9019
22/16V 0.01
TP9003
R9003
PT
10KB
SEPARATION
R9004
2200
R9006
Q9001
2SD601A
C9008 C9007
SWITCHING
0.012 5600P
AUDIO
DEFEAT ON
Q9002
2SD601A
SWITCHING
R9018
R9017 D9001
1K AUDIO
820 MA165
DEFEAT ON
IC9201
AN7420-NT (FM SIGNAL PROCESS)
FLIP FLOP FLIP FLOP
19KHz 19KHz
90 0
PHASE FLIP FLOP
DETECTOR 38KHz
AMP DC AMP
VCO
GND
VCC
1 2 3 4 5
C9203
R9208
10/16V
3900
R9209
2700
L9201
100U
C9202 C9201
TP9201
47/6.3V 0.01
29 28 27 26 25 24 23 22 21
IC9001
CXA2064M
MTS/SAP AUDIO
SIGNAL PROCESS
C9001 C9018
R9009
R9008
4.7/25V 2700P
R9001 3300
5KB
1 30
10KB
C9017 SEPARATION(H)
0.047
2 29
C9002
4.7/25V
3 28
C9016
4.7/25V
4 27
VCC
R9002
C9015
MTS/SAP
68K
3.3/50V C9021 C9022
5 26
SIGNAL
22/16V 0.01
PROCESS
6 25
GND
C9003 C9014
4.7/25V 4.7/25V
7 24
C9004 R9021
4.7/25V 33K
8 23
C9005 R9019
10/16V 33K
9 22
C9006 C9011
R9020 R9022
1/50V 10/16V
10 21 33K 33K
C9010 R9007
1/50V 3900
11 20
LED R9012
DRIVE
1K
12 19
R9011
100K
1K
MODE
13 18
SELECTOR
R9010
R9005
1K
1M
14 17
15 16
C9009
4.7/25V
STEREO
DETECTOR
MONO/STEREO
SELECTOR
STEREO SIGNAL
STEREO
DEMODULATOR
LED DRIVE
L-CH
IC4301
R-CH
6 7 8 9 BU4052BCF
C9210
R9210 INPUT
1/50V
0 SELECT
R9207 C9209 R9212
3300 0.022 PT
C9211
R9211
1/50V
0
R9205 C9208 R9213
3300 0.022 PT
45 44 43 42 41 40 39 38 37 36 35 34
Q9003
2SD601A
(BUFFER)
TP9002
PT
C9013
10/16V
Q9004
2SD601A
R9023
(BUFFER)
1K
TP9001
PT
R9024 C9012
10/16V
1K
C4302 C4301
0.01 100/16V
C4304
10/16V
R4312 R4313
33K 18K
16 15 14 13 12 11 10 9
VDD
IC4302
UPC4570G
(OP AMP)
GND VEE GND
1 2 3 4 5 6 7 8
C4303
R4310
10/16V
33K
R4302
R4308
100K
18K
33 32 31 30
R4318
100K
C4307 C4305
10/16V 0.01
R4316
R4317
18K
10K
8 7 6 5 16 15 14 13 12 11 10
VCC
VDD
IC4303
BU4052BCF
INPUT
SELECT
- +
GND VEE GND
VEE
1 2 3 4 1 2 3 4 5 6 7
R4315
R4314
10K
18K
C4306
R4320
10/16V
100K
R4319 R4321 R4322
10K 10K 10K
Q4302
UN2212
(INVERTER)
Q4301
UN2212
(INVERTER)
R4604
R4
4700
470
IC4601
BD3867S
TONE
CONTROL
R
4
C4308
0.01
9
8
R4323
10K
Q4304
UN2212
(INVERTER)
Q4303
UN2212
(INVERTER)
J4201
WA5
20 19 18 17 16 15 14 13
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