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DRM 85-C, DRM 85

38/41

08/2007

100nK

C503

100nK

C500

+3.3V

+1.8V

100nK

C506

100nK

C508

100nK

C507

100nK

C509

100nK

C504

100nK

C501

+3.3V

+1.8V

100nK

C502

100nK

C505

100nK

C510

+3.3V

TP507

RST

TP504

TP503

LCD_D

LCD_CS

MOSI

CCLK

CODEC

CW_1

CW_2

48K_44K

SDA

SCL

PWR_CTL

ALE

CLE

D[31-16]

TA

CS0

USB

SRAM

USB_1

RW

OE

RAS

CAS

SDWE

UDQM

BCLK

LDQM

BCLKE

DIOR

BUSY

DIOW

SRE

SWE

NAND_CE

SELECT

22KJ

R513

+3.3V

4.7KJ

R512

+3.3V

CW_1

CW_2

SW1

SW2

SW3

TA

+3.3V

PST0

PST1

PST2

PST3

PSTCLK

CODEC_PDN

NAND1_2

SW2

SW3

SW1

BACKLIGHT

ADC

SUPPLY_OK

DAC

LCD_W

BCK

USB_RESET

SHDN_CRTL_USB

WCK

SUS

LCD_R

MCK

MASTEROSC

TP500

BAT54-A

D503

1

2

3

BAT54-A

D502

1

2

3

BAT54-A

D501

1

2

3

BAT54-A

D500

1

2

3

CCW_1

CCW_2

+3.3V

CCW_1

CW_2

CCW_2

PUSH_SEL

CW_1

22KJ

R500

22KJ

R501

22KJ

R502

22KJ

R503

22KJ

R504

22KJ

R505

22KJ

R511

47RJ

R514

47RJ

R527

47RJ

R515

47RJ

R528

47RJ

R530

47RJ

R517

47RJ

R516

47RJ

R529

47RJ

R532

47RJ

R519

47RJ

R521

47RJ

R518

47RJ

R520

47RJ

R531

47RJ

R533

47RJ

R534

47RJ

R524

47RJ

R523

47RJ

R535

47RJ

R537

47RJ

R522

47RJ

R536

47RJ

R526

100KJ

R548

100KJ

R546

100KJ

R544

10KJ

R539

**

10KJ

R541

3.3KJ

R540

3.3KJ

R542

DSCLK

BKPT

DSI

DSO

22KJ

R506

DDATA0

22KJ

R507

LCDINT

22KJ

R508

TMR_INT

22KJ

R509

DDATA3

A[24-1]

BKPT

+3.3V

+1.8V

TA

PSTCLK

DDATA0

LCDINT

TMR_INT

DDATA3

PST2

PST3

PST0

PST1

DSO

DSI

RST

DSCLK

100nK

C511

100nK

C512

+3.3V

+3.3V

+3.3V

MASTEROSC

48K_44K

TCK

TCK

1.0KJ

R551

BR1101F

D609

+3.3V

AUDIO

MCF5249

U500

CFLG/GPIO18

L9

EF/GPIO19

F4

RCK/GPIO51

F12

SUBR/GPIO53

G12

SFSY/GPIO52

F13

EBUIN1/GPI36

K12

EBUIN2/GPI37

N10

EBUIN3/AIN0/GPI38

P10

EBUIN4/AIN1/GPI39

A8

EBUOUT1/GPO36

N9

EBOUT2/GPO37

P9

SDI1

K13

SDI3/GPI41

B9

SDI4/GPI42

M14

SDO1/GPIO25

L12

SDO2/GPO41

P14

SCLK1

L13

SCLK2/GPIO48

N13

SCLK3/GPIO49

A7

SLCK4/GPIO50

L14

LRCK1

N14

LRCK2/GPIO44

P13

LRCK3/GPIO45

B8

LRCK4/GPIO46

M13

MCKO1/GPO39

G14

MCKO2/GPO42

G13

CRIN

H14

XTRIM/GPO38

F14

JTAG/DEBUG

MCF5249

U500

TRST/DSCLK

F11

TMS/BKPT

E13

TCK

E12

TDI/DSI

D11

TDSO

D10

HI-Z

C11

DDATA0/GPIO0

A11

DDATA1/GPIO1

B12

DDATA2/GPIO2

A12

DDATA3/GPIO4

A14

PST0/GPIO59

B14

PST1/GPIO60

C14

PST2/GPIO61

C13

PST3/GPIO62

D14

CNPSTCLK/GPO63

D13

MSTICK/SD

MCF5249

U500

CMD_SDIO2/GPIO34

E3

SDATA0_SDIO1/GPIO54

G4

SDATA1_BS1/GPIO9

M4

RSTO/SDATA2_BS2

H3

SDATA3/GPIO56

J3

SCLKOUT/GPIO15

F3

BUS/IDE/MEDIA

MCF5249

U500

D16

P8

D17

N7

D18

P7

D19

N6

D20

P6

D21

P5

D22

L7

D23

K7

D24

F2

D25

G1

D26

G2

D27

H1

D28

H2

D29

J1

D30

J2

D31

K1

A1

B6

A2

A5

A3

B5

A4

A4

A5

B4

A6

A3

A7

B3

A8

A2

A9

C1

A10

C2

A11

B1

A12

B2

A13

K2

A14

L1

A15

L2

A16

M1

A17

D1

A18

D2

A19

M2

A20

N1

A21

D3

A22

G3

A23

K4

A24/A25/GPO8

K3

TA/GPIO20

L11

CS0

A1

A23CS1/GPIO58

A6

SDRAM_CS1

N2

SDRAM_CS2/GPIO7

N8

RW_B

E14

OE

N12

SDRAS

P1

SDCAS

P2

SDWE

N3

SDUDQM

F1

SDLDQM

P3

BCLKE

E1

BCLK/GPIO10

E2

BUFENB1/GPIO57

J4

BUFENB2/GPIO17

K11

IDE-DIOW/GPIO14

H12

IDE-IORDY/GPIO13

H13

IDE-IORDY/GPIO16

G11

SRE/GPIO11

E8

SWE/GPIO12

E7

GPIO5

N4

GPIO6

L5

MCF5249

U500

RSTI

P12

COREGND

E6

COREGND

E10

COREGND

K5

COREGND

K9

COREVDD

C4

COREVDD

E9

COREVDD

K6

COREVDD

L10

VDD

D12

VDD

K8

VDD

E5

VDD

L3

GND

E11

GND

K10

GND

D5

GND

H4

PLLVDD

J12

PLLGND

J13

PLLGUARDVDD

K14

PLLCOREVDD

H11

PLLGUARDGND

J11

PLLCOREGND

J14

TEST0

C12

TEST1

C3

TEST2

M3

TEST3

M12

SERIAL

MCF5249

U500

RXD1/GPI27

B7

TXD1/GPO27

D7

RTS1/GPO30

D8

CTS1/GPI30

D9

RXD2/GPI28/ADIN2

B10

TXD2/GPO28

A9

RTS2/GPO31

A10

CTS2/ADIN3/GPI31

B11

QSPI_DOUT/GPIO26

N5

SDA/QSPI_DIN

E4

SCL1/QSPI_CLK

D4

QSPI_CS0/GPIO29

P4

QSPI_CS1/GPIO24

L4

QSPI_CS2/GPIO21

L6

QSPI_CS3/GPIO22

L8

SDA2/GPIO55

M11

SCL2/GPIO3

P11

TIN1/GPIO23

D6

TOUT0/GPO33

A13

TIN0/GPI33

B13

TOUT1/ADOUT/GPO35

N11

TP501

TP502

TP506

TP505

SN74LVC1G14DBV

U503

A

2

GND

3

Y

4

VCC

5

MODE

BAS70-04W

D504

1

23

BAS70-04W

D505

1

23

TXD

RXD

TXD

RXD

ccw

cw

SLLB 
S500

2

1C

4

3

T

JTEG

J500

12

34

56

78

91

0

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

HPA_PDN

1.0MJ

R547

100KJ

R549

Accu_U1/2

MAX809-2.93V

U502

GND

RESET

VCC

1.0uK

C513

100KF

R510

+UBatt

100KJ

R525

100KJ

R538

100KJ

R543

100KJ

R545

12.288MHz

Y500

OE

GND

OUT

VCC

11.2896MHz

Y501

OE

GND

OUT

VCC

TP510

TP511

TP512

TP513

TP514

TP509

TP508

10KJ

R550

22KJ

R552

+

-

+

-

v-

v+

LMV393

1

U501

1

2

3

4

5

6

7

8

ADIN1

ADIN1

BAT_TYPE

BAT_TYPE

10KJ

R556

1.0MF

R554

1.0MF

R555

100nK

C515

10KJ

R557

100KF

R553

+3.3V

100nK

C516

NAND_WP

180KJ

R559

100KJ

R558

VBUS

0.0R

R560

**

0.0R

R561

**

NAND_CE1

NAND_CE2

AMP_CS

0.0R

R562

SHDN_CTRL_BATT

TP515

0.0R

R563

**

USB_EOT

10nK

C519

10nK

C518

10nK

C520

10nK

C514

10nK

C517

10nK

C521

10nK

C522

10nK

C523

10nK

C524

FWP

PROTECT

D[16]

D[17]

D[18]

D[19]

D[20]

D[21]

D[22]

D[23]

D[24]

D[25]

D[26]

D[27]

D[28]

D[29]

D[30]

D[31]

A[19]

A[7]

A[16]

A[4]

A[11]

A[5]

A[14]

A[2]

A[20]

A[9]

A[6]

A[13]

A[1]

A[18]

A[10]

A[8]

A[21]

A[17]

A[15]

A[12]

A[3]

A[22]

120406Lew1440

Power Section

JTAG BDM Connector

Processor 

board, c

ircuit diagram, part 2/3

Summary of Contents for DRM 85

Page 1: ...ormance It includes embedded recorder functionalities that stores the digitized audio data to a 1 GByte NAND Flash Memory The USB port can be used to download the audio data to a PC with a standard br...

Page 2: ...afety and certification reasons it is forbidden to alter the product without authorization Otherwise the person who has altered the product is liable for any consequential damage repairs exchanges The...

Page 3: ...agram 32 AF board printed circuit board component side 33 AF board printed circuit board solder side 33 Connector board circuit diagram 34 Connector board printed circuit board solder side 35 Connecto...

Page 4: ...itch control USB connector 5 pin Mini B PHONES monitor output 3 5 mm 3 pole jack socket Record mode LED REC LED 6 character alphanumeric display Display backlight 16 segment bargraph meter provides an...

Page 5: ...___________1 mono Microphone capsule ___________________ DRM 85 ________________________omni directional DRM 85C _______________________cardioid Record level _________________________automatic gain co...

Page 6: ...e ________________ 3 VDC Operating voltage ____________________ 2 VDC to 3 VDC Current consumption at nominal voltage _______________ approx 175 mA Battery ____________________________ 2 x mignon AA p...

Page 7: ...ntains the user interfaces like headphone output jack USB jack and the LC display It links all control and data signals to and from the codec on the AF Board to the processor on the CPU Board The CPU...

Page 8: ...ection The code memory can be programmed with the operating system software using the Background Debug Mode BDM development tools from Windriver via the BDM port J500 The code memory is also protected...

Page 9: ...RM target hardware 3 3 3 Real time clock Real Time Clock U203 type Ricoh R2051 K provides the CPU with a source of time and date information upon request via an IIC connection The time and date inform...

Page 10: ...played on the LCD 3 3 5 AF signal processing The AF Board hosts the microphone preamplifier section an audio codec and a headphone amplifier Audio signal voltages from an electret microphone capsule a...

Page 11: ...Capsule modules The module for DRM 85 accommodates an electret capsule of 9 8 mm with a bearing ring and a special designed snapped in filter plate assembled with silk in front of the modul to be opt...

Page 12: ...DRM 85 C DRM 85 12 41 09 2007 30 40 50 60 dBrA Hz...

Page 13: ...DRM 85 C DRM 85 09 2007 13 41 10 20 30 40 50 dBV Hz...

Page 14: ...o remove the capsule on its own without dismantling the end cap or the removing the AF board first remove the protective basket 001 by unscrewing counter clockwise when viewed from the top of the micr...

Page 15: ...scratch the case or damage the rubber keypad If a screwdriver is used this is very easy to do Figure 3 Keypad The rubber keypad is lifted away and then thekeypad PCB 018 can be carefully removed Care...

Page 16: ...sure the PCB s slide out of the end cap squarely 3 4 6 Separate chassis and barrel First remove the protective basket fig 2 001 Ensure that the coloured ring is not misplaced when the basket is remove...

Page 17: ...ow in fig 8 can be seen Figure 8 Location of AF PCB To remove the AF PCB the flat ribbon cable fig 10 012 has disconnected from the AF PCB This is done by lifting the black locking latch on the connec...

Page 18: ...ed the AF board may be removed on its own by sliding down and out of the front end of the chassis 3 4 8 Connector PCB removal After removing the AF PCB the connector PCB 009 can be removed Remove scre...

Page 19: ...st be removed and the three connections from the battery compartment must be unsoldered very carefully Once the screw 014 is removed the connections can be unsoldered 3 connections as shown in fig 12...

Page 20: ...he black latch holding the ribbon cable 012 from the Connector PCB 009 to the LCD module 010 Exercise extreme caution and do not use sharp tools to remove the LCD ribbon cable it is very delicate Figu...

Page 21: ...require particular care and these are detailed below 3 5 1 LCD lens replacement The LCD easily clips back into place but ensure the inside surface is cleaned before assembly of the end cap onto the un...

Page 22: ...5 6 Capsule replacement The capsule replacement is straightforward but make sure that the connector pins opposite the screw socket on the capsule are in correct alignment with the socket in the unit t...

Page 23: ...that is mounted on the Connector PCB 009 This connector is located at the bottom left hand corner of the PCB in Figure 2 9 1 indicated by arrow Guides in the end cap moulding precisely locate the PCB...

Page 24: ...on The display will show DRM85 and go no further Move the rocker switch up or down If the display shows SAME them remove the batteries and start again but move the rocker switch in the opposite direct...

Page 25: ...ector between the Connector PCB 009 and the Keyboard PCB 010 one half of the mating pair will have detached from the Connector PCB at the solder pads Figure 19 Keypad connector Repair requires disasse...

Page 26: ...5 26 41 09 2007 4 Exploded view 002 001 003 005 007 008 009 018 020 013 017 017 019 014 021 015 016 017 010 011 012 006 001 002 003 004 Modulst ckliste Batteriefach Part s own module parts list Batter...

Page 27: ...lap for battery compartment 002 pad flap battery compartment 003 holder 006 PCB holder metal 007 PCB AF 008 PCB CPU 009 PCB connector 010 LCD 011 flat cable 30xRM0 5 012 flat cable 15xRM0 5 013 lens s...

Page 28: ...audio analyzer 1 Frequency counter e g Rohde Schwarz FSP 7 1 RF power meter e g Rohde Schwarz FSP 7 or Rohde Schwarz NRVS 1 Multimeter e g FLUKE 177 1 Laboratory power supply unit 0 to 30 VDC 1 A e g...

Page 29: ...sequence stops see also the LOW BAT logfile entry in the DRM 85 root directory 2 2 current consumption when in operation see 2 1 see 2 1 ampere meter in series to the power supply typ 175 mA 2 3 DC DC...

Page 30: ...e file transfer see 2 1 1 for hearing your own noise during recording insert an 32 headphone in the DRM 85 jack socket 2 press the DRM 85 REC button 3 speak into the microphone your own noise is audib...

Page 31: ...DRM 85 C DRM 85 08 2007 31 41 6 Circuit diagrams Block diagram...

Page 32: ...P114 TP115 TP116 TP117 TP118 TP119 TP120 TP121 TP122 TP123 10nK C179 10nK C180 33u6V3 C181 4 7nK C182 4 7nK C183 4 7nK C184 220RJ R194 1 2KJ R195 470RJ R196 BAT54 SW D101 1 2 3 BAT54 SW D102 1 2 3 WCK...

Page 33: ...29 R125 R121 R109 R103 R101 Q101 L105 L103 L101 D102 D101 C193 C192 C190 C189 C188 C187 C184 C183 C182 C181 C180 C179 C177 C169 C168 C159 C153 C139 C118 C117 C113 C111 C105 C103 C101 C145 C149 C166 TP...

Page 34: ...S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 S21 S22 S23 S24 S25 S26 S27 S28 S29 S30 S31 VDD CS IRQ HT1621B U205 41 42 43 44 45 46 47 48 1 2 3 4 5 6 7 9 8 10 11 12 13 14 15 16 17 18...

Page 35: ...C239 C241 C247 C249 C250 C251 C252 D 2 0 3 D210 IF1 J205 J212 J213 L201 L203 L 2 0 5 L206 L207 R200 R202 R204 R206 R223 R228 TP201 TP202 TP203 TP204 TP205 TP206 TP207 TP208 TP209 1 1 2 P T 0 1 2 P T T...

Page 36: ...41 08 2007 S1 S2 S3 TYCO M4 P1 1 2 3 4 RECORD STOP PLAY MENU 512682 B 2 S 1 S S3 L 1 IF1 P1 Keyboard PCB circuit diagram Keyboard PCB printed circuit board component side Keyboard PCB printed circuit...

Page 37: ...VSS E3 VSS A1 30FLZ RSM1 TB J400 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 HPA_PDN K9W8G08U1M U401 CLE 16 ALE 17 CE1 9 CE2 10 RE 8 WE 18 WP 19 R B1 7 R B2 6 PRE...

Page 38: ...IA MCF5249 U500 D16 P8 D17 N7 D18 P7 D19 N6 D20 P6 D21 P5 D22 L7 D23 K7 D24 F2 D25 G1 D26 G2 D27 H1 D28 H2 D29 J1 D30 J2 D31 K1 A1 B6 A2 A5 A3 B5 A4 A4 A5 B4 A6 A3 A7 B3 A8 A2 A9 C1 A10 C2 A11 B1 A12...

Page 39: ...3 ISP1582 U602 VCCio 21 34 48 VCC 53 54 VCC_1V8 28 1 4 0 5 29 26 DGND 13 5 AGND 1 59 60 61 62 DIE_PAD 63 64 65 66 67 ISP1582 U602 CS 15 RD 16 WR 17 A0 18 A1 19 A2 20 A3 22 A4 23 A5 24 A6 25 A7 27 XTAL...

Page 40: ...0 TP507 C500 C501 C502 C503 C504 C505 C506 C507 C508 C509 C510 C518 C520 R400 R500 R501 R502 R503 R504 R505 R507 R509 R515 R516 R518 R519 R520 R521 R522 R523 R524 R528 R531 R532 R533 R534 R535 R536 R5...

Page 41: ...U403 U600 U603 C511 C512 C515 C613 C614 C616 C617 C619 D504 D505 D608 R540 R553 R554 R555 R603 R 6 2 3 TP432 TP434 TP436 TP438 TP440 TP441 TP442 TP445 TP446 TP447 TP448 TP449 TP451 TP452 U501 U503 U6...

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