DOWNLOAD Panasonic RR-US550PP / RR-US550E Service Manual ↓ Size: 5.75 MB | Pages: 62 in PDF or view online for FREE

45

RR-US550E/PP MAIN 1/2 /LCD BLOCK DIAGRAM

TO MAIN 2/2

BLOCK DIAGRAM

TO MAIN 2/2

BLOCK DIAGRAM

TO MAIN 2/2

BLOCK DIAGRAM

: USB SIGNAL LINE

MICRO

COMPUTER

LCD DISPLAY DRIVER

FLASH ROM

(512MB)

 VOLTAGE

DETECTOR

 VOLTAGE

DETECTOR

C1AB00003086

IC1101

C0HBA0000251

IC201

RFKWNUS550E

IC701

COEBE0000599

IC103

C0EBB0000201

IC102

12,37

VCC

VSS

13,36

[4]VIN

[1]VOUT

[4]VSS

[1]VOUT

[11]NRES

[51]HP_IN_L

[63]HP_MUTE_L

[102]DP
[103]DM

[14]CL
[15]DA
[55]DOUT
[56]DIN
[57]BCK
[58]LRCK
[59]MCLK

CL
DA
DOUT
DIN
BCK
LRCK
MCLK

[47]REC_H

[61]MIC_SENSE_H

[2]VIN

39,40

VDD
VLCD

VSS

43

KEY1

[88]VDET

[62]USB_VBUS

[82]XIN1

[83]XOUT1

[1

13]XIN2

[1

14]XOUT2

[87]XIN32K

[86]XOUT32K

TO LCD

TO LCD

+B

+B

+B

+B

P5*

1~19

P6*

1~19

P3

P502

22

P3

P502

25

P3

P502

26

P3

P502

9

P3

P502

10,11,12

PCNT

USB_VBUS

REC_H

POWERSW

D+,D-

HP_IN_L

HP_MUTE_L

ZOOMST_ON_L

MIC_SENSE_HI

X1101

X1102

X1103

FD0~FD7

[45]/INH

[60]INH

[107]KEY1

[23]RECSW1
[22]RECSW2

[46]CE
[47]CL
[48]DI

[17]LCD_CL
[18]LCD_DI
[19]LCD_CE

[77]XFWE
[78]XFRE
[79]XALE
[80]XCLE
[81]XFCE1
[82]XFCE0
[83]XFWP
[84]XFBSY

I/O0~I/O7

[7]R/B-1

[6]R/B-2

8

[8]/RE
[9]/CE1
[10]/CE2
[16]CLE
[17]ALE
[18]/WE

29~32

41~44

85~92

D0~D7

[108]KEY2

[12]PHI

[13]EXTFIQ

[48]HOLD_L

[90]BACKUPB

S20~S34

20~34

35~38

COM1~COM4

S1~S19

1~19

 VOLTAGE

DETECTOR

C0EBA0000046

IC106

[4]VIN

[3]VOUT

+B

  VOLTAGE

REGULATOR

C0DBGYY00465

IC105

[4]VIN

[3]VOUT

+B

+B

S602

FF SWITCH

S601

PLAY/STOP/ENTER SWITCH

S603

REW SWITCH

S604

DOWN SWITCH

S605

FOLDER SWITCH

S606

STOP SWITCH

UP SWITCH

S607

S608

REC/PAUSE SWITCH

S609

S610

MENU/-REPEAT SWITCH

ERASE SWITCH

MAIN P.C.B

S621

QR523

POWER SUPPLY

SWITCH

S620

HOLD/POWER ON

SWITCH

MANUAL/ WIDE/ ZOOM

SWITCH

LCD P.C.B

QR101

SWITCH

Q101

SWITCH

46

RR-US550E/PP MAIN 2/2 BLOCK DIAGRAM

SPEAKER

: MIC SIGNAL LINE

: AUDIO OUTPUT SIGNAL LINE

: USB SIGNAL LINE

HEADPHONE

USB JACK

MAIN MIC (RCH)

ZOOM MIC

MIC(PLUG IN POWER)

TO MAIN 1/2

BLOCK DIAGRAM

TO MAIN 1/2

BLOCK DIAGRAM

TO MAIN 1/2

BLOCK DIAGRAM

TO MAIN 1/2

BLOCK DIAGRAM

TO MAIN 1/2

BLOCK DIAGRAM

TO MAIN 1/2

BLOCK DIAGRAM

TO MAIN 1/2

BLOCK DIAGRAM

STEREO CODEC

STEP UP

DC/DC CONVERTER

VOLTAGE 

REGULATOR

  VOLTAGE

REGULATOR

  VOLTAGE

REGULATOR

VOLTAGE

DETECTOR

REGULATOR

OP-AMP

OP-AMP

OP-AMP

SPEAKER

AMPLIFIER

C1AB00002900

IC301

C0DBAGY00002

IC504

C0DBGYY00464

IC503

C0DBGYY00497

IC508

C0DBGYY00462

IC509

C0EBF0000475

IC502

C0DBGYY00463

IC405

C0ABAB000112

IC402

C0ABAB000112

C0ABHA000078

IC403

C1AB00003089

IC302

IN

[2]D+

[3]D-

[1]USB_VBUS

D+,D-

GND

1

OUT

[25]RIN2

[26]LIN2

GND

IN-

VDD

4

2

3

5

+

QR470

SWITCH

Q462

AMPLIFIER

Q510

QR501

SWITCH

Q508

SWITCH

DET

SWITCH

ICP501

USB_VBUS

L502

Q423

QR406

QR409

Q413

MIC

SWITCH

MIC

SWITCH

MIC

SWITCH

QR522

SWITCH

QR521

SWITCH

QR526

SWITCH

Q525

SWITCH

Q524

SWITCH

Q520

SWITCH

Q439

MIC SENSE

HI SWITCH

MIC

AUTO GAIN

CONTROL

MIC

AUTO GAIN

CONTROL

Q416

FILTER

Q421

QR301

MODE

SWITCH

QR305

MODE

SWITCH

QR304

MODE

SWITCH

3

OUT

OUT

VSS

VDD

1

7

4

8

IN

1

OUT

GND

IN-

VDD

4

2

3

5

Q434

D301

<2.8V_DD>

QR506

Q505

DET

SWITCH

<2.5V>

<1.5V>

<2.5V>

[9]OUT+

[3]OUT-

[1]IN+

[8]STBY

[7]IN-

MIC SENSE

HI SWITCH

[15]TOUT2

[16]LOUT2

[5]BCLK

[1]MCLK

[4]SHDN

[1]SW
[3]Vin

[9]GND

[6]Vout

[3]Vin

[9]GND

[3]CE

[1]OUT

[9]GND

[1]OUT

[3]Vin

[3]Vin

[9]GND

[1]OUT

[2]VIN

[4]VSS

[1]VOUT

[4]IN

[3]CE

[2]VSS

[1]VOUT

[32]SCLK

[31]SDIN

[10]MONOOUT

[6]DACDATA
[7]DACCLRC
[8]ADCDAT
[9]ADCCLRC

[11]OUT3
[12]ROUT1
[13]LOUT1

[2]DCVDD

[27]RIN1

[17,18]AVDD

JK301

M401

M403

JK501

IC401

+B

+B

+B

+B

+B

+B

+B

+B

+B

+B

+B

+B

+B

+B

+B

+B

+B

BATTERY

ICP502

1

P301

2

P301

ZOOM_ON_H

EXTMIC_H

POWERSW

PCNT

KEY2

DD_ON

ZOOMST_ON_L

MIC_SENSE_HI

HP_IN_L

51

47

HP_MUTE_L

63

ZOOMST_ON_L

REC_H

REC_H

JK401

CL
DA
DOUT
DIN
BCK
LRCK
MCLK

MAIN P.C.B

47

P502

(SIDE A)

DC 3V

(2AAA  LR03)

SOLDER SIDE

1

5

10

15

30

25

20

16

30

25

20

16

1

5

10

15

P3

(SIDE B)

1

5

10

15

19

1

5

10

15

19

P6*

P5*

JK301

JK401

TO LCD

1

4

2

3

5

1

4

2

3

5

2

3

4

5

1

1 2

P301

JK501

SPEAKER

USB JACK

MIC

(PLUG IN POWER)

EARPHONE

MAIN MIC

(RCH)

ZOOM MIC

(SIDE A)

(SIDE B)

SOLDER SIDE

SOLDER SIDE

SOLDER SIDE

M401

M403

2-

1+

2-

1+

NOTE: “ * ” REF IS FOR INDICATION ONLY.

MAIN P.C.B.

MAIN P.C.B.

LCD P.C.B.

LCD P.C.B.

48

• “ * ” REF IS FOR INDICATION ONLY.
• Importance safety notice :

Components identified by ( )  mark have special character-
istics important for safety.
Furthermore, special parts which have purposes of fire-retar-
dant (resistors), high-quality sound (capacitors), low-noise
(resistors), etc. are used.
When replacing any of components, be sure to use only
manufacturer's specified parts shown in the parts list.

• Capacitor values are in microfarad(

μF) unless specified

otherwise, F=Farad, pF=Pico-Farad
Resistance values are in ohm(

Ω), unless specified other-

wise, 1K=1,000

Ω, 1M=1,000KΩ

• Voltage and Signal lines:

Play/Stop/Enter switch (

)

FF switch. (

)

REW switch. (

)

DOWN switch. (-)

FOLDER switch

STOP switch

UP switch (+)

REC/PAUSE switch

MENU/-REPEAT switch ( )

ERASE switch

Hold/Power On (OPR/HOLD) switch

ZOOM/WIDE/MANUAL switch

: +B signal line

: MIC signal line

: Audio Output signal line

: USB signal line