Panasonic RRQR-230 Service manual

LCD PANEL

P101

SPEAKER

JK101

EARPHONE

JK1

TO EXTERNAL

MIC

M1

MICROPHONE

SEG00~SEG23 SEG44,SEG45 COM0~COM3

QR201

+B

<VCC>

Q101

Q102

POWER
SWITCH

Q103

CONTROL
SWITCH

[85]VCCA

[95]DCIN3

<VCC>

SWITCH

[99]VCCPA

[6]XIN
[17]HI/LO
[19]HCSN
[65]ACKN

[28]HWRN
[29]HRDN

HDB0~HDB7

+B

<BATT_+B>

[2]SPOUTP
[100]SPOUTN

[97]LOUT0
[98]HSSPOUTP

D1

OUT

[89]MIN

[47]MIC_SENSE_H

1

Q4

MIC

3

2

1

QR2

Q1

QR3

MIC

SWITCH

MIC

SWITCH

MIC

SWITCH

+B

<VDD>

AUTO GAIN

CONTROL

1

IN

+B

<VDD>

IC1

C0ABAB000112

MIC AMPLIFIER IC

GND IN-VDD

235

Q6

MIC SENSE
DETECTOR

IC101
C2HBBJ0000057

DSP CODEC IC

<VDD>

+B

USB PUP
SWITCH

DATA INPUT/OUTPUT

30,58~65 61~69

[53]USB_PUP_L

[33]D+

[41]PLAY_L

[45]LSI_CLK
[69]LSI_HILO
[30]LSI_CS_L
[31]LSI_ACK_L

[59]NWE(/RE)
[60]NRE(/RE)

D0~D7

[41]REC_H

[44]CLK_OFF_L

DATA INPUT/OUTPUT

[8]/RE
[18]/WE

12

VCC

[26]KEY_IN
[28]HOLD_L
[29]ZOOM_L

KEY SW

(S202~S208)

39~31

41~44

IO 0~7

IC203

C3FBSC000025

NAND FLASH IC

IC202
MN101C74FMA

MICRO PROCESSOR
(SYSTEM CONTROL / LCD DRIVE)

+B

<VCC>

[50]JOGDOWN
[51]JOGUP

S201

VOLUME JOG

[11]REC_LED_L

D202

(REC LED)

[17]ALE
[16]CLE
[7]R/B
[9]/CE

[17]OSC1

X201

10MHz

[18]OSC2

[39]EEP_CS
[46]EEP_CLK

[36]FLASH_ALE_L
[37]FLASH_CLE_L
[40]FLASH_RB
[12]FLASH_CS_L

[27]BATT_VOL

[23]NRST

[21]XO

[20]XI

X202

32.768KHz

[1]EEP_CS
[2]EEP_CLK

(NOT SUPPLIED)

[3]DI(FLASH_ALE_H)

[1]VOUT[49]BAT_OFF_L

[2]VIN

+B

<BATT_+B>

[1]VOUT

[2]VIN

+B

<VCC>

IC205

EEPROM

IC207

C0EBB0000036

RESET IC

IC204

C0EBD0000074

RESET IC

SIGNAL LINES

: MAIN SIGNAL

+

BATTERY

-

2 AAA SIZE

(LR03,UM-4)

BATTERIES 3V

ICP2

<BATT_+B>

IC3

2

VSS

C0CBCAC00161

REGULATOR IC

D5

4

LX

IC5

C0DBAGC00020

3

CE

DC/DC CONVERTER IC

VDD

CE

IN

GND

3

5

OUT

1

2

2

+B

<VDD>

+B

<BATT_+B>

RR-QR230E BLOCK DIAGRAM