SCHmain1.pdf part of panasonic SCHmain1 SCHmain1.pdf, panasonic Audio SA-PM22 SA-PM22 SVC SCHmain1.pdf text manual preview

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SCHEMATIC DIAGRAM-7
: +B signal line : Main signal line : AUX signal line
: FM/AM signal line : CD signal line : Playback signal line

CONTROL CIRCUIT
Q819
2SA1309AQSTA
SWITCHING

Q820 C838 C840
LCD801 C839 220P
Q804 220P
RVTDTC144EST
RSL5222-L RVTDTC144EST
SWITCHING
220P

SWITCHING
1 2 3 4 5 6 7 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
Z801,Z802

SEG12

SEG24
SEG20
SEG14
SEG10

SEG26
SEG13

SEG15

SEG18

SEG22
SEG19

SEG21

SEG27
SEG23

SEG28
SEG16

SEG25
SEG17

SEG29
SEG30
COM3
COM2
COM0

SEG11

COM2
COM1

COM0
COM3

COM1
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG0

SEG9
XAMR141

R889 2.2K
LAMP

<2.4V>
<2.4V>
<2.4V>
<2.4V>
<2.4V>
<2.4V>
<2.3V>

<2.4V>
<2.4V>
<2.4V>
<2.4V>
<2.4V>

<2.4V>
<2.4V>
<2.4V>
<2.4V>

<2.4V>
<2.4V>
<2.4V>
(2.4V)
(2.4V)
(2.4V)
(2.4V)
(2.4V)
(2.4V)
(2.4V)

(2.4V)
(2.4V)
(2.4V)
(2.4V)
(2.4V)
(2.4V)
(2.4V)
(2.4V)
(2.4V)
(2.4V)
(2.4V)
(2.4V)
(2.4V)
(2.4V)

<0V>

<0V>
R898 (24.7V) 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58

SEG24
SEG21

SEG23

SEG26
SEG12

SEG25
SEG15

SEG22
SEG14

ASP_CLK
SEG28
SEG11

SEG16
SEG13

SEG27

SEG29
SEG19
SEG20
SEG18

SEG30
SEG17

N.C
Z801 Z802 R893 3.3K 3.3K (24.2V) <24.8V> SEG10
(9.9V) (10V)
(9.8V)
<9.8V>
Q813 R899
R897
560 <24.6V> (2.4V)
SW5V
<10.1V> <9.5V> 560 (23.9V) Q819 <2.4V>
(2.4V) 81SEG9
(9.9V) <24V> <2.4V>82
R894 (9.2V) SEG8
SLR325MCT31

(2.4V)
Q804 (0.1V)
<0.1V> Q812 560 <9.2V> <9.9V> R809
10K
<2.4V>
(2.4V) 83SEG7
R896 R892 (0.1V)
R801
D816

R882

R883 10K 560 <2.4V>84SEG6
10K
1K

(4.9V) 10K (9.3V) R891 <0.1V> (2.4V)
<4.9V> <9.5V> 10K <2.4V>85SEG5
(2.4V)
(5.1V) <2.4V>
R890 R895 (2.4V) 86SEG4
(0.1V)
<0.1V> 22K 22K
<5.1V>
(0V)
Q820 <2.4V>87
(2.4V) SEG3
<0.1V> <2.4V>88
(0.1V) PA_OP (0V) (2.4V) SEG2
<0.1V> <2.4V>89
9 <0.1V> Q812,Q813 (5V) (2.4V) SEG1
(0.1V)
<0.1V> 2SA1309AQSTA Q811 <5V> <2.4V>90
(5.2V) SEG0 IC801
8
(0.1V)
SWITCHING
Q811
<5.2V>91
(0V) VDD M38258M054FP
<0.1V> PA_CL <5.1V>92VREF MICRO PROCESSOR
7 RVTDTC144EST
SWITCHING
(0V)
<0.1V> C801
(2.4V)
<0V>
(8.6V)
1000P R818 (2.3V) 93AVSS
<8.7V> 15K <2.4V>
6 (2.3V) 94COM3
(0.1V) <2.4V>95
IC802 <0.1> (2.3V) COM2
5
Q801 (7.2V) <2.4V>
(2.4V) 96COM1

OPT SELECT/ECS
(4.9V) L804 R807 R805
<5V> 47 H 3.3 0.JR <7.2V> <2.3V>97COM0
(4.8V)

BASS_VR AN2
4

TRBL_VR AN3
CR_TMR AN5
PWRDET AN4
<4.8V>
(3.1V) 98VL3

MK_IN1 AN7
MK_IN2 AN6
(0.1V)

SYNC/HALT

DES1/ECLK
<0.1V> C836 (5.1V)

KEY2 AN1
KEY1 AN0
3 <5.4V> R812 <3.2V>99VL2

T_MUTE
R806 (1.4V)

PLL_DO
(0.7V) 10V330

PLL_CE
82K

PLL_CL

RMT_IN
PLL_DI
0.JR Q802 <0.2V>1 0NC

SQCK

SUBQ
0
<0.1V> (5V)
2

VL1
(0V)

NC

SD
(0.6V) IC802 <5V> <5V> R813
C842
R802
270

0.01 82K
1
<0.1V>
BA6283N (5.1V) (5.4V) (0V) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

(5.12V)
<1.6V>
<4.4V>
<2.8V>
<5.2V>
<1.5V>
<2.6V>
<2.6V>
<5.1V>

<5.1V>
<1.9V>
<5.1V>
<5.4V>

<5.1V>
<5V>

(5.3V)
<0V>
<0V>
<0V>
<0V>

<0V>
<0V>
<5.4V>

<0V>
<5.3>
MOTOR R811 82K

<0.1V>