Panasonic RQ-SX82V User Manual

SCHEMATIC DIAGRAM 1

NDIP

NDIP

NDIP

:POSITIVE VOLTAGE LINE :PLAY BACK SIGNAL LINE

MAIN CIRCUIT

A

MOTOR

A

SPEED

7

6

5

4

3

2

1

D12

MA2SD1000L

39K

R92

L

R

G

R93

VR2

R94

24K

10K(B)

18K

10K

R96

C157

0.033

TAPE SPEED
ADJ.

(MOTOR)

C150

0.22

R98

100K

TP4

B

R103

MOTOR

- ON

1.4V

1.4V

1.4V

1.4V

0V

0V

0V

0V

0V

0V

270

1.4V

IC4
LB11675V

MOTOR DRIVE

V

1

U

2

3

START

4

P GND

5

GND

Vcc1

6

OSC

7

VREF

8

VSP

9

IN+

10

OUT

11

12 13

RI

W

NC

NC

P GND

COM

FC

DR

PV

PU

PW

TC2

TC1

1.4V

24

23

22

21

20

C144

ZF2.2

0.2V

19

1.4V

18

17

16

15

C159

0.33

1.4V

14

1.4V

C7

2.5V150

R91

D

CCW

470K

HEAD CIRCUIT

B

Lch

PLAYBACK
HEAD

Rch

REV

FWD

FWD

REV

1

8
4

5

6

3
7

2

FWC1

1

1

5

5

3

3

4

4

2

2

6

6

TP14

TP10

TP9

TP13

TP11

TP12

C41

C40

C32

C33

A

B

680P

C

680P

D

E

680P

680P

F

SCHEMATIC DIAGRAM 2

NDIP

NDIP

NDIP

:FM SIGNAL LINE:POSITIVE VOLTAGE LINE :MAIN(TAPE/RADIO) SIGNAL LINE

:TAPE PLAYBACK SIGNAL LINE

4V47

C43

4V47

TP54

C42

R23

C34

R29

R30

C35

R24

R169
220K

12K

0.022

6.8K

6.8K

0.022

12K

E' F

TPS_IN

C2

330P

IC2
AN7501FHQ-EB

PRE/DOLBY/ASC/
POWER AMP

C50

1500P

C55

1

C51

1

C52

6.3V2.2

0.5V

0.8V

0.8V

0.8V

0.8V

0.8V

0.8V

0.8V

0.8V

0.8V

0.8V

0.8V

S.B.

0V

1.4V

1.4V

C64

16V2.2

NOISE

FREE RET.

Vcc

37

38

39

40

25K 200K

41

42

43

BIAS

44

45

25K 200K

46

47

48

1 2 3 4 5 6 7 8 9 10 11 12

Z

Y

A

33K

33K

R78

R77

R26
150

D

E

C

F

B

R27
150

18K

R25

C29

0V

0V

Q20
UN9215TX

SWITCHING

(TAPE SELECT)

3300P

0V

Q25
UN9110TX

SWITCHING
(PRE MUTE)

R22
22K

1.4V

1.4V

R15

C15

18K

3300P

C46

4V22

0V

Q8
UN9215TX

SWITCHING

(TAPE SELECT)

C38

680P

Q66
RVTDTA143EUX

SWITCHING(S.B.)

TP19

C68

0.047

FWD/ REV

PRE MUT

NR

ON/OFF

TP20

1

C219

0V

C74

R52

R49

2.2K

C72

3300P

DOLBY BLOCK

DOLBY BLOCK

C73

3300P

R50

2.2K

R41

C56

15K

1

C61

0.01

1

15K

C79

VREF

R54 390K

R48

8.2K

RE OUT

0.01

160

100K

VREF

100K

160

ASC

C81 0.33

ASC

C83

C84

R53

390K

C80

0.33

0.015

0.015

1.4V

1.4V

C90

680P

C86

2700P

86K

86K

C87

2700P

TP21

C92

BST

C126

0.056

R170

1

27K

R47

RIPPLE FILTER

CONTROL

10K

D24

SB00703QTL

C95

680P

252627282930313233343536

AGC

1.4V

0.8V0.8V0.8V0.8V0.8V0V0.4V0.8V0.8V0.8V0.8V1.4V

1.4V0.7V0V0.8V0.8V0V0.4V0.8V0.8V0.8V0.8V1.4V

Q19
UN9215TX

SWITCHING
(TAPE SELECT)

0V

C98

C99

C88

RE OUT

1

1

(VOLUME)

1

VR1-1
50K(A)

VR1-2
50K(A)

C102

16V2.2

R172

0.8V

24

0.8V

23

0.8V

22

Lch

0.6V

21

1.4V

20

19

Rch

0.6V

18

C105

0.22

0V

17

1.4V

16

0.7V

15

C106
4V33

1.3V

14

1.4V

13

1.4V

0.5V

0.5V

1.3V

(1.3V)

0.5V

1.3V

(1.3V)

0.5V

47K

C103

0.068

C104
4V6.8

C134

0.33

2.5V100

C116

2.2

R66

2.2

R67

C135

2.5V100

0.33

C117

1.4V1.4V

0.7V

C111 4V22

Q30
2SB1295-6-TB

POWER SUPPLY

R60
220K

POWER _ON

PRE_MUTE

(0.6V)

0.6V
R80

1.2V

1K

1.3V

Q33
2SB1295-6-TB

POWER SUPPLY

0.47

C119

MUTE

XBS_ON

ASC

DOLBY

FWD/REV

Lch

Rch

RE OUT

RADIO ON

RE OUT

NOR/MET

B'
G'

H

R

M'

J
K
L

M

U
P

h

R

N

SCHEMATIC DIAGRAM 3

NDIP

NDIP

NDIP

:FM/AM Vcap LINE

:FM SIGNAL LINE:POSITIVE VOLTAGE LINE :MAIN(TAPE/RADIO) SIGNAL LINE

:TAPE PLAYBACK SIGNAL LINE

C143

TP1

C3

KB0.01

D4

KVDSVC203ATX

R5

10K

D3

KVDSVC203ATX

R6

100K

Z1
RXACBPWB1GTR

5 4

1 2 3

TP2

CT1

C6

R10

TP3

KB0.01

L6

100K

(0.2V)

2930

R3

4.7K

R11

0.7V

ZF0.1

100K

KB0.001

RF Vcc

(1.3V)

1.3V

C16

GC22P

4.7

R174

R86

AM

OSC

BUFF

C5

(1.3V)

1.3V

R90

15K

ZF0.1

C145

2.2K

FM

OSCPWSW

C1

C221

C220

0.033
(0.9V)

0V

AM

MIX

FM

FM

MIX

RF

RF GND Vcc GND

KB0.1

IC3

TA2142FN

FM/AM RF AMP
IF,DET

C225

TP7

CF1

(0V)

AGC

654321

0.9V

0V

(0V)

C76

16V1

KB0.1

C77

TP8

R89
10K

KB0.01

KV1440TL2-3

CC2P

Q34

C140

KB0.001

L6

(1.3V)

BUFF

IF

BUFF

FM
IF

1.3V
(0.9V)

(1.3V)

C91

D5

1.3V

0.7V

0.1

C89

1.3V

BUFF

AM

DET

AM

IF

1/ 16

87

TP15

330P

CF2

TUN

R12

IFD

100K

(0V)

0V

1.3V

C108

C26
22P

C142

ST
IFD

LEVEL

DET

FM

DET

1

R16

C27

C21

R1
220

0.1

1.3V

C107

C115

220K

3

1

390P

10P

Q2,3
2SB1462STX

POWER SUPPLY

(2.9V)

(2.9V)

3.6V

3.6V 2.9V

(3.3V) (2.2V)

Q2

(1.3V)

0V

0.1

C118

0V

(1.3V)

SW

FM MPX

AF

0V

0.6V
(0V)

(0.6V)(1.3V)(1.3V)

C112

0.22

CF3

TP22

330P

2.5V100

L2

3.6V

C25

0.015

ST/ MO
FM/ AM

139

1
2
3

4

6

(2.9V)

Q3

0V

2.9V

(2.2V)

R2

10K

(0V)

2.9V

Q1
UNR921BJTX

POWER SUPPLY

(1.3V)

1.3V

(0.8V)

(1.3V)

0.8V

0V

14121110

0V

0.6V
(0V)

(0V)

C129

1

C121

R72

3.3K

L3

(0V)

0V

G

0.1

C63

(0V)

1.3V

(0.8V)

0.8V

16171819202122232425262728

15

0V

(0V)

1

0.1

C125

Q22
2SK1067-4-TL

AM RF AMP

(0.2V)

D

0V

0V

S

(1.5V)

100

820

R32

C59

4V 10

C47

0.01

Q29
RVTDTA143XUX

POWER SUPPL

STEREO

MONO

Y

C133

S2

0.01

R44

1.5K

C131

1.3V

0.01

C60

0.01

0.022

C136

C137 0.022

AM ON

FM_IN

RE OUT

H'

F'

Q

O

I'
G'
W

j

SD

K'

Y

Z

R

SCHEMATIC DIAGRAM 4

NDIP

NDIP

NDIP

:FM/AM Vcap LINE

:FM SIGNAL LINE:POSITIVE VOLTAGE LINE :MAIN(TAPE/RADIO) SIGNAL LINE

:TAPE PLAYBACK SIGNAL LINE

LCD1(RSL5274-T)

LCD DISPLAY

1 2 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

3 4

(0.9V)

(0V)

(0.6V)

R104

10K

0.9V

0.6V
0V

C158

15P

JKLMNOPQRS

1.5V
S7

61

1.5V
S6

62

1.5V
S5

63

1.5V
S4

64

1.5V
S3

65

1.5V
S2

66

1.5V
S1

67

1.5V
COM4

68

1.5V
COM3

69

1.5V
COM2

70

1.5V
COM1

71

1.3V
BRES

72

0.5V
HCTR TPS-IN

73

1.4V
VDD

74

0V

0V

FM IN

75

0V

0V

AM IN

76

Vss

77

0V

0V

EO

78

TEST1

79

0.4V
XIN

80

XTAL1

(75kHz)

15P

C160

R106

10K

T

TPS_IN

E'

FM_IN

G'
F'

AM_IN

(RES)

TP23

R99

C151

470K

0.01

j

SD

Q37

B'

SOLENOID

2SD2436STXRA

SOLENOID DRIVE

1.4V
0V

DBA O

K'

CCW

SPEED

AM_ON

MOTOR_ON

ABCDEFGHIJKLMNOPQRST

BCDEFGH

S11

PA2 REC/ PAUSE

1.5V

S12

PA1 V DET

0V

2.8V

1.5V

S13

0.7V
P

PA0 OPEN

0V

C162

A

1.5V

1.5V

1.5V0V1.4V

S14

S15

S16

1/2 SPEED(H) PG0

2.8V

1.4V

IC5

0V

LC72316W9A55

SYSTEM CONTROL/
LCD DRIVE

-

P

F=75kHz

PB3 SOL(L)

PB2 XBS ON(H)

PB1 DISCHARGE(L)

PB0 RADIO ON(L)

0V

1.3V

1.4V

1.4V

1.3V

0V

(0V)

XBS ON

RADIO ON

0.1

1.4V

DOLBY ON

1.4V

CCW ON(L) PG1

0.4V
P

PC3 DOLBY ON(L)

1.4V

ASC

(0V)

1.3V

0V

0V

0V

AM ON(L) P10

SPEED ON(L) PG3

MOTOR ON(L) PG2

-

P

PC0 REC CH.FWD(L)

PC1 REC CH.REV(L)

PC2 ASC ON(L)

0V

RJ4 0

PRE_MUTE

470K

R166

1.3V

0V

TV(L) P11

SX-97 P12

REC(L)/ PLAY(O) P13

REC MUTE ON(L) PJ0

PARA(H) PK0

MODEL1 SCK1/ PK1

MODEL2 SO1/ PK2

MODEL3 SI1/ PK3

Vcc CHK ADI0/ PF0

KEY ADI1/ PF1

BATTERY(H) PF2

REMOTE ADI3/ PF3

POWER ON PE2

PL3 HOLD

PL2 DECK-REV(L)

PL1 DECK-FWD(L)

PL0 PRE-MUTE

0V

0V

0V

1.2V

1.2V

1.2V

(1.2V)

DISCHARGE

C164

C167 0.01

R178 10K

C172 0.01

I

1.5V

1.5V

1.5V

1.5V

S9

S8

S10

T 6.8ms.

T 13.6ms.

F=75kHz

TEST2

PA3 SD

X OUT

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

0V

0V

0.6V

R101

47

S.B.

C169 0.01

C171 0.01

C173 0.01
C174 0.01

C183 0.01

C185 0.01

0V

4142434445464748495051525354555657585960

CS PJ1

S.B.(H) PJ2

VADJ
VDC1
VDC3

V

DDRAM

BEEP/ PE0

MUTE(L) PE1

PH-CTL PE3

INT0/ PD0

DATA I/O

INT1/ PD1

T-END(H/L)

PD2

RADIO

D/ D

PD3 BACKUP I (H)

0.7V

1.3V

0.7V

(0.7V)

DD1

BACK UP1

V DET

C165

C182

0.01

0.01

0.01

J

M'

FWD/REV

4.7

R133

C200

Q69

(1.3V)

DTC143TETL

0V

SWITCHING

0V
0V

(1.4V)

0.5V

330K

R135

IJKL

1M

R117

R113

R108

0V

3.3K

N

R116

D17

CNB1002001AU

(MECHANISM DET.

FWD/ STOP/ REV)

REV

560K

C189

0.01

1.4V

PJ3

40

1.4V

39

0.2V

0.8V

3V

2.7V

0V

R167

0

1.4V

1.4V

2.8V

1.4V

1.4V

1.4V

1.3V

1.4V

2.4V

1.4V
0V

A
B

E
F
G

H
M

R114

470K

0.2V

1.4V

1.4V

Q68

RVTDTC114TUX

Q43
2SD2216RTX

TAPE END DET.

0V

TP6

S4

(HOLD)

OFFON

38
37
36

Vss

35
34
33
32
31
30
29
28
27
26
25
24
23
22
21

1.4V

1.4V

1

L11

MA720TX

1.4V

0V

Q46
2SD2436STXRA

SWITCHING

R9 82K

4V47

C218

470K

R134

0.01

C205

C208

PARA

Q60
2SB1462STX

BATTERY DET.

1.4V1.4V

1V

470K

15K

R127
0V

Q61
2SD2216RTX

BATTERY DET.

1

3

2

4

S5

FWD

STOP

560K

R109

D18

4V47

C197

VR3

R130
100K

D23

MA110TX

R132

18K

0.01

R183

22K

0.6V

180K

R162

R121

680

Q45
UN9110TX

TAPE END DET.

R180

27K

R161

2.4V

C201

150K

3V0V

0.1

C190

MUTE

POWER ON

0.1

SCHEMATIC DIAGRAM 5

NDIP

NDIP

NDIP

(7.6V)

3.3V

C152

R95

16V1.5

DD1

2.4V

R149
180K

C204

1

R102

1K

1.3V

C156

H'

Q

I'

W

d

G'

H
N

R150

1000P

150K

15K

C153

1000P

(6.9V)

Q36

(0.9V)

3.7V

0.9V

Q35

0.5V

(0.5V)

0.5V

(0.5V)

0.1

C143

Lch
Rch

NOR/MET

R152

47K

Q55
UNR921BJTX

VOLTAGE
COMPARATOR

(6.9V)

3.7V

R89

10K

L
J

I

G

2.4V

2.4V

2.4V

0V0V

Q35,36
2SD2216STX

FM/ AM LOOP
FILTER

H

A
K

Q51
2SA1745-7-TL

VOLTAGE COMPARATOR

3V

1.4V

2.2V
0V

R107

10K

R182

Q53

Q56
UN9215TX

VOLTAGE
COMPARATOR

Q40
2SK303V3TB

STABILIZER

10.2V

S

D

0V

G

1.5V

3.7V

(6.9V)

0.01

C177

IC8
XC62HR2902MR

REGULATOR

3V

5 4

NC

1 2

470K

220K

R151

2.8V

Q54

2.8V

1.4V

2.4V

:FM/AM Vcap LINE

(12.4V)

12.4V

12.4V

C176

ZF0.47

L8

1

C180

C186

10V3.3

0.6V

GNDVOUT

CEVIN

3

3.1V

0V

3.5V

0V
0V

3.6V
(2.9V)

(3.3V)

4.7K

4.7K

R139

R142

D19

MA720TX

0.1

C213

Q53,54
2SD2216RTX

VOLTAGE
COMPARATOR

C179

0.022

(0.6V)

0V

0.3V

R110

4.7K

C188

C202

R112

470

D14

MA8120MTX

Q41

0.022

2SD1048X7TX

DC-DC CONV.

0.22

C184

0

R137

S6

(PRESET/

TAPE MODE)

0.01

C198

220P

:TAPE PLAYBACK SIGNAL LINE

:FM SIGNAL LINE:POSITIVE VOLTAGE LINE :MAIN(TAPE/RADIO) SIGNAL LINE

D15

MA110TX

C187

0.022

D16

MA720TX

(1.4V)

1.4V

Q42
2SD1328STXRA

DC-DC CONV.

R143

82K

S7

(+/FF,1REP,5)

0.01

C194

1K

R136

4

3

1.3V

0.4V

R146

47K

S8

/ REW,DOLBYNR,4)

­(

82P

C195

0.01

C203

C199

82P

L9

0.4V

0.4V

(0V)

0V

0V
0V

R148

56K

S9

R115

(OFF / / ,

C206

330

6

1

C191

0.22

0V

(0V)

R131

470

R154

82K

BLANK CONTROL,3)

L13

L14
L15

330P

1

C192

47

(0V)

R118

0V
0V

0.4V

Q44
2SB815B7TX

DC-DC CONV.

S10

(TAPE/ , 2 ,2)

TP37

100P

C217

TP41

TP42

330P

C138

C193

(0.7V)

R156
100K

S11

C215

16V1

0.7V

(RADIO ON/ BAND,

100P

/,1)

C216

L12

L10

0.7V

1.3V

100P

TP36

C196

1

C217

(1.4V)

1.4V

100P

TP18

1.4V

1.3V

0.4V

Q49
2SB1295-6-TB

POWER SUPPLY

C
L
R

Re

V
G

(METAL/NORMAL)

JK2
HEADPHONES

S13-1

S13-2

(OPEN/ CLOSE)

M
B
E
N

F

DISCHARGE

PARA

V.DET

Q47
2SB1462STX

POWER SUPPLY

R120

0V

Q48
2SD2216RTX

POWER SUPPLY
CONT.

BACK UP1

15K

0.7V

R122

680

1.4V1.4V

R125
220K

R128
100K

0.6V

1.4V

Q17
2SB815B7TX

VOLTAGE
COMPARATOR

470K

R126

1.3V

R129

RVTDTA123JUX

BATTERY PARA DET.

DTC114TETL

BATTERY PARA DET

15

Q67

1.4V

Q50

0V

R153

100

Q52
XP151A13A0MR

BATTERY PARA DET.

1.4V1.4V

SGD

0V

R179

1K

0V3V

1M

3V

R4

47K

3V

.

R155

C212

KB0.1

IC7
XC61CN1802MR

BATT. IN DET.

Vss V IN

V OUT

R158

22K

321

1.4V0V

4V47

C214

TP32

C124

2.5V100

CN2

BATTERY CASE

BATTERY 1.5V

(R6/LR6,"AA",

UM 3)

RECHARGEABLE
BATTERY 1.2V

PLAY HEAD

NDIP

NDIP

NDIP

TP9,13

( )

TP10,12

TP20
TP19

()

PRE
AMP

DOLBY

IC2

BNR

POWER

AMP

BIAS

VR1

(VOLUME)

TP11

TP37
TP36

HEADPHONES

IC3

FM/AM RF AMP

IF,DET

MOTOR

M

IC4

MOTOR

DRIVE

VR2

(TAPE SPEED

ADJ.)

D5

AM VCO

LCD1

SYSTEM CONTROL &

TP6

Q43,45

D17

TAPE END

DET.

AM ANT

IC5

LCD DRIVE

+B +B

Q41,42,44

DC-DC
CONV.

(L3)

D3,4

TP1

L9

FM

BATT.

IN DET.

IC7

VCO

Z1

B.P.F.

TP3

TP2

TP32

BATTERY

Note:( )No. is a terminal of the Rch.

Tape Playback signal line.

FM signal line.

FM OSC signal line.
FM/AM Vcap signal line.

Tape/Radio signal.