Denon DN-D4000 Service Manual

For U.S.A., Canada, Europe & Korea model

SERVICE MANUAL

MODEL

DOUBLE CD PLAYER

DN-D4000

注意

サービスをおこなう前に、このサービスマニュアルを必ずお読みください。本機は、火災、感電、けがなどに対する安全性を確保するために､さまざまな配慮をおこなっており、また法的には「電気用品安全法」にもとづき、所定の許可を得て製造されております。従ってサービスをおこなう際は、これらの安全性が維持されるよう、このサービスマニュアルに記載されている注意事項を必ずお守りください。

Please use this service manual with referring to the operating instructions without fail.

Some illustrations using in this service manual are slightly different from the actual set.

16-11, YUSHIMA 3-CHOME, BUNKYOU-KU, TOKYO 113-0034 JAPAN

Telephone: 03 (3837) 5321

本機の仕様は性能改良のため、予告なく変更することがあります。

補修用性能部品の保有期間は、製造打切後8年です。

修理の際は、必ず取扱説明書を参照の上、作業を行ってください。

本文中に使用しているイラストは、説明の都合上現物と多少異なる場合があります。

X0171V.01 DE/CDM 0303

SAFETY PRECAUTIONS

The following check should be performed for the continued protection of the customer and service technician.

LEAKAGE CURRENT CHECK

Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the power cord is less than 460 kohms, the unit is defective.

LASER RADIATION

Do not stare into beam or view directly with optical instruments, class 3A laser product.

500V

1DN-D4000

(1)

(2)

(1)

(2)

DISASSEMBLY

(Follow the procedure below in reverse order when reassembling)

1. TOP COVER

(1) Remove 4 screws on the both sides, and 1 screw on rear side, then remove 1 upper screw. (2) Pull up Top Cover.

2DN-D4000

2. FRONT PANEL

(1) Detach 2 Blind Labels on the bottom chassis. (2) Move CD Mecha Rack in the arrow direction through the label detached chassis opening. Loader Frame comes out. (3) Pull up Loader Panel while pulling it towards front. (4) Remove 2 upper screws and 3 lower screws, and 2 screws on both sides. (5) Detach Front Panel.

3. MECHANISM UNIT

(1) Disconnect FFC cable. (2) Rrmove 8 lower screws (3) Remove 4 screws on rear side.

NOTES:

(a) Do notpull out aslant to prevent the FFC cable from damage. (b) Do not fail to pull out AC cord from wall outlet befor disconnecting the FFCcable. If the ACcord is remained

plugged into wall outlet, the power is kept supplied in the unit, which may cause danger.

3DN-D4000

4. MAIN P.W.B.

(1) Remove 4 screws. (2) Disconnect Connector. (3) Detach Main P.W.B.

5. CD MECHA.

(1) A gear is turned and a tray is opened. (2) Remove 4 upper screws. (3) Detach CD Mecha.

4DN-D4000

6. COVER ( REMOTE CONTROL UNIT )

(1) Remove 5 screws.

NOTE:

(a) Remote Control Unit and its back panel are connected with cables, so pay attention when removing the back pan-

el.

Gear

BLOCK DIAGRAM

DN-D4000

LIMIT SW

SPINDLE

MOTOR

OPEN SW

FOCUS COIL

TRACKING COIL

MONITOR DIODE

LASER DIODE

DETECT

CD MECHA

UNIT 1

LED1

UNIT

A B D C

<DN-D4000 DOUBLE CD

PLAYER>

MAIN UNIT 1

MSLIDE MOTOR

DRIVER

[AN8785SB]

MLOADING MOTOR

IC202

HEAD AMP

[AN22002A]

IC203

8M FLASH MEMORY

[ M29W800DB70]

IC 111

DIGITAL SERVO PROCESSOR

[MN6627911AC]

IC201

SYSTEM uCOM

[MN102H60KDA]

IC101

16M DRAM

[M11L1644SA-50T]

IC204

[TC74HCT7007AF]

IC112

[PCM1748E]

[M11L1644SA-50T]

DAC

IC206

16M DRAM

IC210

+9VP

[NJM78L05AT]

IC118

[BU2618FV]

IC113

VCO

[TC9246F]

IC114

PULSE TRANS

DIG OUT 1

ANA OUT 1TR MUTE

FADER 1

[14-MT-35GN]

FL601

FL DRIVER

[M66005FP]

IC601

PITCH

SLIDE VR

<DN-D4000 REMOTE

CONTROLLER>

PANEL UNIT 1

LED BLOCKFLT

LED CONTROL

[BU2090F]

IC602

REMOTE CPU

KEY

JOG SHUTTLE

TR.SEL

KEY MATRIX

BLOCK

UNIT

CD MECHA

UNIT 2

LED2

UNIT

POWER UNIT

POWER

TRANS

+5V REG (AUDIO)

-5V REG (AUDIO)

-HB REG -HB

+5V REG

+3.3V REG

+1.8V REG

+9VP

+5VD

+3.3VD

+1.8V

+5VA

-5VA

RESET

[PST600C]

IC301

MAIN UNIT 2

BSY , MBSY

[SN74AHCT08PW]

IC302

+9V,-HB,F1,F2

RC TXD,RC RXD

FADER 2

DIG OUT 2

ANA OUT 2

8P MD

CABLE

+9V,-HB,F1,F2

+9V

[NJM7805FA(S)]

IC404

RESET

[PST600C]

IC403

[SN74AHCT08PW]

IC302

PANEL UNIT 2

REMOTE uCOM [TMP86CM47U]

IC402

SERVICE PROGRAM

Required Measuring Implement

1. Reference disc (TCD784 or CO-74176)

1. What is Service Program

Service program is a special program intended for confirming servo functions etc.

2. Contents of Service Program

Switch on the power while pushing the CD1’s PITCH BEND + button and CD2’s OPEN/CLOSE button at the same time. After actuating the servo program, select an aiming process number with the SELECT knob, A1 button, or A3 button.

Press the SELECT knob to execute the selected process, the process number is then displayed on the track indicator of the display. To exit from the service program, just switch off the power.

7DN-D4000

SELECT knob

Function

(Character-display)

μcom Version check

(Version No.)

Error Code Check

(Error Data)

Total Running Time

(Total_Time)

Automatic

Servo Adjustment

call

Contents

Check Version with JOG dial.

1. System μcom version No.:

2. RC μ

Turn the JOG dial to display the logging error codes in the occurred order. “ErrXX_E

10 error logs are memorized at maximum.

Kinds of Error Code, displayed

Error Code Table

Pressing SELECT knob enters to data erase mode. (“Err Clear?” is displayed.) If the SELECT knob is pushed again, the memorized error data are cleared.

Total time span of servo function that counted by the hour is displayed. “R.Tim XXXXH”

Note: No time is counted if disc tray is opened within 59 minutes.

Pressing SELECT knob enters to data erase mode. (“Time Clear?” is displayed.) If the SELECT knob is pushed again, the memorized time data are cleared.

Starts automatic servo adjustment when the SELECT knob is pushed, and after completing the adjustment, sort of the used disc is indicated. Data is selectable with the JOG dial.

1. Focus gain data

2. Focus balance data

3. Focus offset data

4. Tracking gain data

5. Tracking balance data

6. Tracking offset data

com version No.: “RC_VerXXXX”

” XX : occurred order E

* * *

“Servo_Data”

“SysVerXXXX”

* * *

: error code

8DN-D4000

SELECT knob

Function

(Character-display)

Block Error Rate Check

Servo Check

Illumination Check

Contents

Loading a disc by OPEN/CLOSE button.

Press the PLAY/PAUSE button. B.E.R. is displayed.

“E.Rate_XXX XXX : Block Error Rate

You can select the track by the JOG DIAL.

Starts automatic servo checking when the SELECT knob is pushed. Loading a disc by OPEN/CLOSE button.

“Lchk_Open” : Disc Tray is opened.

“Lchk_Wait” : During check.

“Lchk_OK!!” : Disc Tray is opened.

“LchkErr *** ” : Error(E ***) is occurred.

All illuminations are lit. All illuminations can be turned off to push the SELECT knob. Press the SELECT knob again, all illuminations can be lit.

3. TEST MODE

Process No.

(TRACK

Indication)

A1 button

A2 button

Adjustment Item

Adjustment Value indication at

character portions.

Focus Gain 0576 ~ 2304 Focus Balance -050 ~ +050 Focus Offset -005 ~ +005 Tracking Gain 0392 ~1569 Tracking Balance -025 ~ +025 Tracking Offset -005 ~ +005

* Reference data.

Function

(Character-display)

Starting with the PLAY/PAUSE button, it repeats open/close of the tray and

Heat Run

(H/R1Normal)

Chucking Test

(H/R2_Tray)

playback. All tracks are played back if the track count is less than 20. Only the first and last tracks are played back if the tracks are more than 21. When any errors, it stops and indicates error code (see Error Code Table).

Starting with the PLAY/PAUSE button, it repeats open/close of the tray, servo on, and TOC read. The display shows the number of the tray operation. When any errors, it stops and indicates error code (see Error Code Table).

Contents

4. Error Code Table

Error Code CONTENTS

E001 Unable to close the loader tray in the regulation time. E002 Unable to open the loader tray in the regulation time. E003 Inner circle switch ON error even if the time is over. E004 Inner circle switch OFF error even if the time is over. E005 The focus offset adjustment result is outside the regulation range. E006 Unable to adjust the focus offset in the regulation time. E007 The tracking offset adjustment result is outside the regulation range. E008 Unable to adjust the tracking offset in the regulation time. E009 The FE peak is outside the regulation range. E00A The FE peak is outside the regulation range. E00B Unable to adjust the focus rough gain in the regulation time. E00C The focus rough gain is outside the regulation range. E00D Unable to actuate focus in the regulation time. E00E Unable to actuate tracking in the regulation time. E00F Unable to adjust the tracking rough gain in the regulation time. E010 The tracking rough gain is outside the regulation range.

E011 Unable to adjust the tracking balance in the regulation time. E012 The tracking balance adjustment result is outside the regulation range. E013 Focus servo down during automatic adjustment. E014 Focus servo down during automatic adjustment. E015 Unable to adjust the focus balance in the regulation time. E016 The focus balance adjustment result is outside the regulation range. E017 Track servo down during automatic adjustment. E018 Unable to adjust the focus fine gain in the regulation time. E019 The focus fine gain is outside the regulation range. E01A Unable to adjust the tracking fine gain in the regulation time. E01B The tracking fine gain is outside the regulation range. E01C Unable to adjust automatically in the regulation time. E01D Unable to read the subcode Q in the regulation time. E01E Unable to read the TOC in the regulation time. E01F Focus servo down during search (over the regulation time). E020 Track servo down during search (over the regulation time).

E0216 * Servo error during search. E0213 * Search error (over the regulation time).

E022 Discontinuity occurred, during write to the DRAM.

E023 The error which cannot be corrected to the read data. E024 Unable to do the level detect. E025 Unable to join data in the regulation time. E026 The error rate when recording on the memory is over the regulation value. E027 The subcode jump more than regulation.

E028 Servo error when power is turned on. E029 Subcode Q error. E030 Inter face error for both drives.

9DN-D4000

μCOM VERSION UPGRADE

System µcom can be upgraded in the following manner.

Version Upgrade Method

1.Record the version upgrade software on a CD-R or CD-RW disc, only as one file with the format ISO9660 Mode-1. The file name of the supplied version upgrade software should be used as is and this disc needs to finalize.

2.Hold the disc by the edges and place it on the disc tray.

3.Press the OPEN/CLOSE button to start the version upgrade. "

Version Up

xxxx : current version XXXX : upgrade version

4.Press the PLAY/PAUSE button. "

Now Writing

5.When the version upgrade is finished, "

6.Turn off the power once and turn on again. Press the OPEN/CLOSE button and remove the disc.

NOTE:

"→"

Push Play!

" → "

Writing-XXX

When the power is turned off before "

" "

xxxx->XXXX

" are displayed.

XXX : count up from 000 to161

Complete!

" are displayed.

" is indicated.

Complete!

" is displayed,

µcom

version is not written correctly.

10DN-D4000

SEMICONDUCTORS

IC’s

MN102H60KDA (IC101)

11DN-D4000

100

MN102H60KDA Terminal Function

Pin Name Symbol I/O DET Ext Res Ini Function

No.

1 P60, WAIT, SBT2 PCDMUTE O - Pd L L Mute for analog 'L': Mute ON 2 P61, _RE RD- O - Pu H - Read signal 3 P62, _WEL WR- O - Pu H - Write signal 4 P63, _WE, _WEH Reserved O - - Hi-Z L Not used. 5 _CS0,TM13OA FLASHROMCS- O - Pu H - Chip select signal

(MASK ROM operation : Input port) 6 _CS1, TM13OB Reserved O - - Hi-Z L Not used. 7 _CS2, TM14OA Reserved O - - Hi-Z L Not used. 8 _CS3, TM14OB PLOAD O - - Hi-Z H OPEN/CLOSE signal (PWM out put)

(During Pnrst=

'L', out put PWM(50%)) 9 P54, _BREQ Reserved O - - Hi-Z L Not used. 10 P55, _BRACK Reserved O - - Hi-Z L Not used. 11 P56, ALE, _ALE,

MON2 I - - Hi-Z - Monitor signal 2

_BSTRE, TM15IA 12 P57,_WORD WORD- I - L L - Data bit bus width select 'L': 16bit 13 P20,A00,SBT2 A00 A/O - - Unfix - Address bus 14 P21,A01,SBI2 A01 A/O - - Unfix - Address bus 15 P22,A02,SBO2 A02 A/O - - Unfix - Address bus 16 P23,A03 A03 A/O - - Unfix - Address bus 17 Vdd Vdd - - - - - Power supply(+3.3V) 18 BOSC,BIBT1,BIBT2,

Reserved O - - L L Not used.

PB0 19 Vss Vss - - - - - GND(0V) 20 XI,PB1 PCE O - Pd L L Latch output 21 XO XO - - - - - Not used. OPEN 22 Vdd Vdd - - - - - Power supply(+3.3V) 23 OSCI OSCI I - - - - Not used. 24 OSCO OSCO O - - - - OSCI output 25 MODE MODE I - L L - Mode select 'L': Processor mode

Pin Name Symbol I/O DET Ext Res Ini Function No.

26 P24,A04,TM15IA A04 A/O - - Unfix - Address bus 27 P25,A05 A05 A/O - - Unfix - Address bus 28 P26,A06 A06 A/O - - Unfix - Address bus 29 P27,A07 A07 A/O - - Unfix - Address bus 30 P30,A08,_KI0 A08 A/O - - Unfix - Address bus 31 P31,A09,_KI1 A09 A/O - - Unfix - Address bus 32 P32,A10,_KI2 A10 A/O - - Unfix - Address bus 33 P33,A11,_KI3 A11 A/O - - Unfix - Address bus 34 AVDD AVDD - - - - - Analog power supply terminal 35 P34,A12,_KI4 A12 A/O - - Unfix - Address bus 36 P35,A13,_KI5 A13 A/O - - Unfix - Address bus 37 P36,A14,_KI6 A14 A/O - - Unfix - Address bus 38 P37,A15,_KI7 A15 A/O - - Unfix - Address bus 39 P40,A16 A16 A/O - - Unfix - Address bus 40 P41,A17 A17 A/O - - Unfix - Address bus 41 P42,A18 A18 A/O - - Unfix - Address bus 42 P43,A19 A19 A/O - - Unfix - Address bus 43 Vref- Vref- - - - - - Standard analog power supply 44 P44,AN4,A20 POPEN I - - Unfix - OPEN switch 'L': Switch ON 45 P45,AN5,A21 PCLOSE I - - Unfix - CLOSE switch 'L': Switch ON 46 P46,AN6,STOP,A22 PLIMITSW I - - Hi-Z - Inner circle SW 'L': Switch ON 47 P47,AN7,WDOUT,

A23 48 P80,TM14OA PEJECTSW I - Pu H - Eject switch 'L': Switch ON 49 P81,TM14OB PTLED O - Pd L L Toray LED 'H': Light 1 / 'L': Turn Off 50 P82,TM0IO,SBI2,

SBT3,SCL3 51 P83,TM4IO,SBI3 RxD I - Pu H - Serial port (Receive)

52 P84,TM7IO,SBO3,

SDA3 53 P85,TM9IOA,SBO2,

SBT4,SCL4 54 Vref+ Vref+ - - - - - Standard analog power supply 55 P86,TM9IOB,SBI4 PMECHRxD I - - Hi-Z - Serial port (Receive) 56 P87,TM9IC,SBO4,

SDA4 57 P90,TM8IOA,BIBT1,

_DMAREQ1 58 P91,TM10IOA,

BIBT2,_DMAACK1 59 P92,TM10IOB,

_DMAREQ0 60 P93,TM10IC,

_DMAACK0 61 Vss Vss - - - - - GND(0V) 62 P94,AN0 PMBSYOUT O - - Hi-Z H Mechanism microcomputer

63 P95,AN1 PMBSYIN I - - Hi-Z - Mechanism microcomputer

64 P96,AN2 PRCBSYOUT O - - Hi-Z H Communication Busy signal output

PCDSEL I - H/L H/L - CD mecha select switch

'L': Mecha 1 / 'H': Mecha 2

PDMUTE O - Pu H H Mute for digital 'H': Mute ON

(76.8kbps 5V -> 3.3V)

TxD O - Pu H H Serial port (Transmission)

(76.8kbps , Use ATC function)

PMD O - Pu L L DAC(PCM1748) control signal : Data

PMECHTxD O - - Hi-Z H Serial port (Transmission)

(76.8kbps , Use ATC function)

PMC O - Pd L L DAC(PCM1748)

control signal : Clock

PML O - Pd L L DAC(PCM1748)

control signal : Latch

PLRCK I Ed - Hi-Z - LRCK : Use for time code creation

during MP3 playback.

PNRST O - Pd L L Round IC reset signal

Communication Busy signal output 'H':BUSY

Communication Busy signal input

between RC and Mecha 'H':BUSY

12DN-D4000

Pin Name Symbol I/O DET Ext Res Ini Function No.

65 P97,AN3 PRCBSYIN I - - Hi-Z - Communication Busy signal input

between RC and Mecha 66 Vdd Vdd - - - - - Power supply(+3.3V) 67 P70,SBT0,_RAS PMCLK O - - Hi-Z H DSP interface Clock

(clock synchronous formula) 68 P71,SBI0,_CAS,_LCASPSTAT I - - Hi-Z - DSP interface Reception

(clock synchronous formula) 69 P72,SBO0,_UCAS PMDAT O - - Hi-Z H DSP interface Transmission

(clock synchronous formula) 70 P73,SBT1,DUMX PTXTCLK O - - Hi-Z H Use during CD-TEXT data read

(clock synchronous formula) 71 P74,SBI1 PTXTD I - - Hi-Z - Use during CD-TEXT data read

(clock synchronous formula) 72 P75,SBO1 PMLD O - - Hi-Z H DSP interface latch 73 TEST1 TEST1 I - Pu - - Pull up 33 - 50K 74 TEST2 TEST2 I - Pu - - Pull up 33 - 50K 75 _NMI _NMI I Lv Pu H - Need to pull up 76 PA0,_IRQ0 PBLKCK I Ed - Hi-Z - Sub code clock interruption 77 PA1,_IRQ1 PDQSY I Ed - Hi-Z - CD-TEXT DQSY Interruption 78 PA2,_IRQ2 PFADECUE I - Pu H - Fader signal input (CUE)

'L' : Input YES 79 PA3,_IRQ3 PFADER ST I - Pu H - Fader signal input (PLAY)

'L' : Input YES 80 PA4,_IRQ4,TM15IB PCHGOFT O - Pu H L Off track signal 81 PA5,ADSEP ADSEP I - H H H H': Address data separation mode /

'L': Address data common mode 82 _RST RST- I Lv - L - Reset signal 'L': RESET 83 Vdd Vdd - - - - - Power supply(+3.3V) 84 P00,D00,AD00 D00 D/O - - Hi-Z - Data bus 85 P01,D01,AD01 D01 D/O - - Hi-Z - Data bus 86 P02,D02,AD02 D02 D/O - - Hi-Z - Data bus 87 P03,D03,AD03 D03 D/O - - Hi-Z - Data bus 88 P04,D04,AD04 D04 D/O - - Hi-Z - Data bus 89 P05,D05,AD05 D05 D/O - - Hi-Z - Data bus 90 P06,D06,AD06 D06 D/O - - Hi-Z - Data bus 91 P07,D07,AD07 D07 D/O - - Hi-Z - Data bus 92 Vss Vss - - - - - GND(0V) 93 P010,D08,AD08,TM

8IOB

94 P011,D09,AD09,TM

8IC

95 P012,D10,AD10,TM

11IOA

96 P013,D11,AD11,TM

11IOB

97 P014,D12,AD12,TM

11IC

98 P015,D13,AD13,TM

12IOA

99 P016,D14,AD14,TM

12IOB

100 P017,D15,AD15,TM

12IC

D08 D/O - - Hi-Z - Data bus

D09 D/O - - Hi-Z - Data bus

D10 D/O - - Hi-Z - Data bus

D11 D/O - - Hi-Z - Data bus

D12 D/O - - Hi-Z - Data bus

D13 D/O - - Hi-Z - Data bus

D14 D/O - - Hi-Z - Data bus

D15 D/O - - Hi-Z - Data bus

13DN-D4000

MN6627911AC (IC201)

14DN-D4000

MN6627911AC Terminal Function

Pin No. Pin Name I/O Function

1 DRVDD I Power supply for DRAM interface (Pin No.2 - 18, 80) 2 D0 I/O Data I/O signal 0 for DRAM 3 D1 I/O Data I/O signal 1 for DRAM 4 WE O Write enable signal for DRAM 5 RAS O RAS control signal for DRAM 6 D2 I/O Data I/O signal 2 for DRAM 7 D3 I/O Data I/O signal 3 for DRAM 8 CAS O CAS control signal 0 for DRAM

9 A10 O Address signal 10 for DRAM 10 A8 O Address signal 8 for DRAM 11 A7 O Address signal 7 for DRAM 12 A6 O Address signal 6 for DRAM 13 A5 O Address signal 5 for DRAM 14 A4 O Address signal 4 for DRAM 15 A9 O Address signal 9 for DRAM 16 A0 O Address signal 0 for DRAM 17 A1 O Address signal 1 for DRAM 18 A2 O Address signal 2 for DRAM 19 A3 O Address signal 3 for DRAM 20 DVSS2 I GND for digital 21 DVDD2 I Power supply for digital 22 SPOUT O Spindle motor drive signal 23 TRVP O Traverse drive signal 24 TRVM O Not used 25 TRP O Tracking drive 26 GCNTL O Gain control signal for CD-RW 27 FOP O Focus drive 28 CHGICO O EQ select signal 29 IOVDD1 I Power supply for IO 30 TBAL O Tracking balance adjust 31 FBAL O Focus balance adjust 32 FE I Focus error signal (Analog input) 33 TE I Tracking error signal (Analog input) 34 RFENV I RF envelope signal (Analog input) 35 OFT I Off track signal H : OFF TRACK 36 NRFDET I RF detect signal H : DETECT 37 BDO I Drop out signal H : DROP OUT 38 LDON O Laser ON signal H : ON 39 ARF I RF signal 40 IREF I Standard current input terminal 41 ADPVCC I Voltage for power supply monitor

Pin No. Pin Name I/O Function

42 DSLF O Loop filter for DSL 43 RFSW I Loop filter for DSL 44 PLLF O Loop filter for PLL 45 PLLFO O Loop filter for PLL 46 AVDD2 I Power supply for analog (DSL, PLL, AD) 47 AVSS2 I GND for analog (DSL, PLL, AD) 48 OUTL O Not used 49 AVSS1 I GND for analog (Audio output) 50 OUTR O Not used 51 AVDD1 I Power supply for analog (Audio output) 52 DVSS3 I GND for digital 53 DVDD3 I Power supply for digital 54 TMOD2 I Test terminal L : Normal 55 MON2 O Serial monitor signal 2 56 BCLK O Bit clock for serial data 57 SRDATA O Serial data signal 58 LRCK O L, R discernment signal 59 IOVDD2 I Power supply for IO 60 TX O Digital audio interface signal 61 MCLK I ucon command clock signal 62 MDATA I ucon command data signal 63 MLD I ucon command load signal L : LOAD 64 BLKCK O Sub code block clock signal (f=75Hz : Normal speed playback) 65 PWMSEL I PWM output mode select L : Direct H : 3 values 66 SMCK O Not used 67 SBCK I Not used 68 STAT O Status signal 69 NRST I Reset L : RESET 70 SPPOL O Not used 71 PMCK O Not used 72 DQSY O Pack signal for CD TEXT data 73 TXTD O CD TEXT data signal 74 TXTCK O Ext. clock signal input for CD TEXT resister 75 NTEST I Test terminal H : Normal 76 X2 O Not used 77 X1 I 16.9344MHz input terminal 78 DVSS1 I GND for digital 79 DVDD1 I Power supply for digital 80 MON1 O Serial monitor signal

15DN-D4000

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