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SCHEMATIC DIAGRAM -1

OPTICAL
PICKUP CIRCUIT
LASER DIODE
6
8
11
C
C
12
10
5
1
GND
NBOUT
8
4
9
2
VCC
7
GND
2
3
NAOUT
6
BIN
3
4
VREF
5
AIN
C
C

CD SERVO CIRCUIT

R701
4.7
1
1
VCC
<3.2V>
2
2
((0V))
<2.7V>
PDF
((2.3V))
Q701
3
3
PDE
<0.9V>
4
4
((2V))
LD
R750
4.7
5
5
LD GND
6
6
GND
C
7
7
NB
8
8
GND
9
9
C713
NA
0.1
10
10
VREF
11
11
LPD
12
12
GND
13
13
T-
C750
14
14
T+
0.1
15
15
F-
16
16
F+
CN701
C751
0.1
15
16
C735
0.1
C734
10V220
14
13
C737
36
0.1
M
M702
SP MOTOR
C736
38
0.1
M
M701
TRV MOTOR
: +B SIGNAL LINE
C701
6.3V33
Q701
2SA1037AKSTX
LASER POWER DRIVE
C714
6.3V100
1
2
3
4
28
27
26
25
C747
180P
C712
R744
0.1
120K
C749
C711
2200P
0.1
R708
R707
R706
22K
39K
1K
33
17
18
19
20
21
29
22
GND
IC703
GND
12
11
10
9
8
30
7
35
IC703
37
AN8739SBE2
FOCUS COIL/
TRACKING COIL/
TRAVERSE MOTOR/
SPINDLE MOTOR DRIVE
: CD-DA SIGNAL LINE
29
30
C703
6.3V100
C704
0.1
C707
0.027
5
6
7
8
9
10
11
12
13
IC701
AN8885SBE1
SERVO AMP
24
23
22
21
20
19
18
17
16
C710
120P
R702
R705
10K
150K
C742
0.027
R704
1K
23
24
25
26
27
28
6
5
4
3
2
1
R736
R725
390
R724
C715
18K
2700P
R715
R727
1K
3.9K
14
15
28
100
C752
C738
C739
1000P
0.01
1500P
R729
R728
3.9K
3.9K
R749
4.7K
R723
R731
6.8K
6.8K

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Table of Contents
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Summary of Contents for Panasonic SC-AK320

  • Page 1: Schematic Diagram

    SCHEMATIC DIAGRAM -1 : +B SIGNAL LINE : CD-DA SIGNAL LINE OPTICAL PICKUP CIRCUIT CD SERVO CIRCUIT R701 LASER DIODE C701 <3.2V> 6.3V33 ((0V)) <2.7V> ((2.3V)) Q701 Q701 2SA1037AKSTX C703 <0.9V> LASER POWER DRIVE 6.3V100 ((2V)) R750 LD GND NBOUT C704 C714 6.3V100...
  • Page 2 SCHEMATIC DIAGRAM - 2 : +B SIGNAL LINE : CD SIGNAL LINE : CD-DA SIGNAL LINE CD SERVO CIRCUIT R717 C727 C725 50V1 R721 1000P C726 C731 1000P 6.3V220 C730 R718 C728 50V1 C754 C732 C733 470P 6.3V220 LCH OUT A.GND RCH OUT C753...
  • Page 3 SCHEMATIC DIAGRAM - 3 : +B SIGNAL LINE : FM SIGNAL LINE : AM SIGNAL LINE : FM/AM SIGNAL LINE : FM OSC SIGNAL LINE : AM OSC SIGNAL LINE TUNER/MAIN CIRCUIT Q106 TUNER PACK Z120 (RAL0029) <13.6V> <13.64V> R104 C103 ((13.75V)) ((0.02V))
  • Page 4: Main Circuit

    SCHEMATIC DIAGRAM - 4 : +B SIGNAL LINE : AUX SIGNAL LINE : MAIN SIGNAL LINE : FM/AM SIGNAL LINE : CD SIGNAL LINE : PLAYBACK SIGNAL LINE PANEL CIRCUIT (CP601) ON : RECORD SIGNAL LINE SCHEMATIC DIAGRAM-9 MAIN CIRCUIT CN303 17 16 15 14 13 12 11 10 IC300...
  • Page 5 SCHEMATIC DIAGRAM - 5 : +B SIGNAL LINE : CD SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE PANEL CIRCUIT (CP600) ON SCHEMATIC DIAGRAM-9 MAIN CIRCUIT CN302 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 <0.02V>...
  • Page 6 SCHEMATIC DIAGRAM - 6 : +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE MAIN CIRCUIT R242 Q204,Q404 <8.69V> KTC3875GRTA ((8.64V)) <2.06V> ((2.04V)) HPF FREQ AMP SWITCH Q205 C234 C434 R243 6800P 6800P <1.42V> ((1.39V)) C237 PGND R245 <8.69V>...
  • Page 7: Panel Circuit

    SCHEMATIC DIAGRAM - 7 : MAIN SIGNAL LINE : +B SIGNAL LINE PANEL CIRCUIT VR600 Z600 S600 R676 EVEKE2F3024B RCD37142TC5 POWER JOG VOL REMOTE SENSOR S601 R677 DISPLAY S602 DISC 1 R678 1.2K C655 C656 1000P 0.01 S603 R679 DISC 2 IC601 1.8K C669...
  • Page 8 SCHEMATIC DIAGRAM - 8 : -B SIGNAL LINE : +B SIGNAL LINE PANEL CIRCUIT FL600 R614 R615 A2BD00000045 1 2 3 4 5 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 C640 35V22 C641...
  • Page 9 SCHEMATIC DIAGRAM - 9 : -B SIGNAL LINE : MAIN SIGNAL LINE : +B SIGNAL LINE PANEL CIRCUIT <2.96V> ((2.96V)) SYNC C658 D616 SPEAKER SYNC 35V4.7 MTZJ5R6BTA SYS6V TERMINAL <0.2V> Q605 R683 L602 ((0.2V)) CIRCUIT PCONT RLQB101KT-1Y <0.1V> (CN952) ON C639 ((0.1V)) Q605...
  • Page 10: Deck Circuit

    SCHEMATIC DIAGRAM - 10 : +B SIGNAL LINE : PLAYBACK SIGNAL LINE : -B SIGNAL LINE : RECORD SIGNAL LINE DECK CIRCUIT R1055 R1098 C1038 2.2K 220P R1017 8.2K R1015 R1095 100K C1032 C1034 R1032 0.018 50V3.3 R1105 PLACKBACK C1012 C1015 HEAD 1000P...
  • Page 11 SCHEMATIC DIAGRAM - 11 : +B SIGNAL LINE : PLAYBACK SIGNAL LINE : -B SIGNAL LINE : RECORD SIGNAL LINE MAIN CIRCUIT (CN304) ON SCHEMATIC DIAGRAM-4 DECK CIRCUIT H1001/W1001 C1054 C1064 Q1020-Q1021 50V3.3 50V3.3 KTD1304TA R1094 FILTER AMP R1091 <<0V>> 2.2K Q1020 R1085...
  • Page 12: Power Circuit

    SCHEMATIC DIAGRAM - 12 : -B SIGNAL LINE : MAIN SIGNAL LINE : +B SIGNAL LINE POWER CIRCUIT IC500 SPEAKER HL_OUT TERMINAL IC500 HI_L GND RSN35H2-P CIRCUIT (H501B HR_OUT W501B ) ON HI_R GND SCHEMATIC DIAGRAM-13 H501A SPEAKER LL_OUT TERMINAL LO_L GND C510 CIRCUIT...
  • Page 13 SCHEMATIC DIAGRAM - 13 : MAIN SIGNAL LINE : +B SIGNAL LINE : -B SIGNAL LINE SPEAKER TERMINAL CIRCUIT H501B /W501B HL_OUT E950 POWER HIL_GND CIRCUIT HR_OUT HIGH D959 (H501A) ON CHANNEL KBP152G4R5 SCHEMATIC SPEAKER HI_R GND DIAGRAM-12 C982 C983 C984 C985 0.047...

Table of Contents