Kenwood KDC-W4044UA, KDC-W413UA, KDC-W4544U, KDC-W4644UY Service manual

CD RECEIVER

KDC-W4044UA/W4044UAY KDC-W4044UG/W4044UGY KDC-W413UA/W413UAY KDC-W4544U/W4644UY

SERVICE MANUAL

Panel assy KDC-W4044Uxx (A64-4672-02)

Panel assy KDC-W4544U (A64-4671-02)

* Remote controller assy (RC-557) (A70-2087-15)

Battery (Not supplied)

KDC-W4044U

KDC-W4544U

Panel assy KDC-W413Uxx (A64-4673-02)

KDC-W413U

Panel assy KDC-W4644UY (A64-4687-02)

KDC-W4644U

TDF SPARE-PANEL

MAIN UNIT NAME TDF PARTS No. TDF NAME KDC-W4044UA Y33-3022-71 TDF-W4044UA KDC-W4044UAY Y33-3022-71 TDF-W4044UA KDC-W4044UG Y33-3022-72 TDF-W4044UG KDC-W4044UGY Y33-3022-72 TDF-W4044UG KDC-W413UA Y33-3022-73 TDF-W413UA KDC-W413UAY Y33-3022-73 TDF-W413UA KDC-W4544U Y33-3022-70 TDF-W4544U KDC-W4644UY Y33-3022-70 TDF-W4544U

Lever (D10-7049-04) x2

Escutcheon (B07-3271-01)

* Depends on the model. Refer to the parts list.

DC cord (E30-6800-05)

Mounting hardware assy (J22-0789-03)

This product complies with the

Carrying case (W01-1710-05)

This product uses Lead Free solder.

RoHS directive for the European market.

KDC-W4044UA/W4044UAY/W4044UG/W4044UGY KDC-W413UA/W413UAY/W4544U/W4644UY

BLOCK DIAGRAM

ELECTRIC UNIT (X34- )

W500

ANT.

FRONT-END

IC7

RDS DECODER

IC1

IC8

RESET IC

BU5

RST

PANEL DET

RESET

to GND

FRONT AUX

IC2

REMOTE

SWITCH UNIT (X16- )

AM+B A8V SW5

LX-BUS

IC2

SW5

A8V

ROM CORRECTION (NOT USED)

IC10

E2PROMSW5

SYSTEM u-COM

Q301

SW5

USB5V

ROTARY ENCODER DRIVER

SW5

USB CN

SERVO+B

E-VOL

111

BU5

PAN5V

IC1

DME1

A8V

MUTE

CD MECHA

BU5

IC6

POWER IC

Q701-704

PRE-OUT MUTE

BU5

FL+B

R15

1/4W Rx1

ILLUMI+B

KEY ILLUMI

S3-20

KEY MATRIX

BU5

LEVEL SHIFT

D1-17

R61,62

1/4W Rx2

IC251,252

BU5

FL+B

ED1

IC53

BU 3.3V

BU5

MUTE

IC900

BOLERO u-COM

Q705

IC51

PRE-OUT

FRONT REAR/SW

BU DET

RST

DC-CN etc

PHONE ACC DET / BU DET PS1-1 / PS1-2 / PS1-3 PS2-1 / PS2-2

IC950

iPod AUTHENTICATION

USB5V

PHONE

ACC DET

BU DET

P STBY

PS1-1 / PS1-2 / PS1-3 PS2-1 / PS2-2

FL+B

AM+B

SW5

A8V

SW5

BU5

SERVO+B

ILLUMI+B

IC52

HI-SIDE SW

R118

Q101

ACC-DET

Q103

Q102

IC4

POWER SUPPLY IC

Q2,3

Q11,12

Q7-10

Q51,52

SW+16V

PHONE

BU-DET

SURGE DET

CD SERVO

SW14V

ILLUMI +B

BU5

SW5

DC-CN

PHONE

SP-OUT FRONT L/R REAR L/R

ACC

B.U.

P-ANT P-CON

KDC-W4044UA/W4044UAY/W4044UG/W4044UGY KDC-W413UA/W413UAY/W4544U/W4644UY

BLOCK DIAGRAM

DPU1

ACB

FO COIL

TR COIL

DM1

SPINDLE MOTOR

DM2

LOADING & SLED MOTOR

CD PLAYER UNIT (X32-6250-00)

IC4

SIGNAL A/B/C/E/F

APC

IC3

FO OUT

TR OUT

MOTOR DRIVER

DM OUT

FM OUT

VREF

FO OUT

TR OUT

DM OUT

FM OUT

CLOCK

16.934MHz

RF AMP

+ SERVO PROCESSOR

+ MP3 DECODER

+ WMA DECODER

+ AAC DECODER

+ 1M bit SRAM

D GND

BU1.5V

D1.5V

D3.3V

SRAM STB

BUCK

CCE

PIO0

MRST MRST

ZDET MUTE L/R

A3.3V

AGND

Q14

D1.5V OUTPUT

R15

LEVEL SHIFT RESISTOR

C43

Lch Lch

Rch

FILTER

C44

FILTER

IC5

BU1.5V/ D3.3V REG

MOTHER BOARD (X34- )

SRAM STB

BUCK

CCE

PIO0

Rch

A.GND

BU5V P.ON

D.GND

LOS-SW

12EJE-SW

LOE-SW

DRV MUTE

LO/EJ

MOTOR

S7.5V

S.GND

KDC-W4044UA/W4044UAY/W4044UG/W4044UGY KDC-W413UA/W413UAY/W4544U/W4644UY

COMPONENTS DESCRIPTION

ELECTRIC UNIT (X34-623x-xx)

●

Ref. No. Application / Function Operation / Condition / Compatibility

IC1 System μ-COM Controls FM/AM tuner, the changer, CD mechanism, panel, volume and tone.

IC2 E-VOL Controls the source, volume, tone.

IC4 Power Supply IC Outputs 5V×2, 8.1V×2, 10.2V, P-CON, P-ANT.

IC6 Power IC Ampliﬁ es the front L/R and the rear L/R to 50W maximum.

IC7 RDS IC Decodes RDS.

IC8 Reset IC Lo when detection voltage goes below 3.6V.

IC51 Switching Regulator Power supply for D+5.1V. (to USB and Panel)

IC52 Hi-side SW Detects USB Over Current.

IC53 D+3.3V AVR IC Power supply for D+3.3V. (IC252,900,950)

IC251 Level Shift (3.3V→5V) Shifts level. (3.3V→5V)

IC252 Level Shift (5V→3.3V) Shifts level. (5V→3.3V)

IC900 Sub μ-COM Controls USB and CD mechanism.

IC950 i-Pod Authentication Coprocessor Authenticates i-Pod.

Q2 Servo+B AVR When Q3’s base goes Hi, AVR outputs 7.5V.

Q3 Control SW for Servo +B ON when the base goes Hi.

Q7 FL+B SW ON when the base goes Hi.

Q8 FL+B AVR When Q9’s base goes Hi, AVR outputs 10.5V.

Q9 Control SW for FL+B ON when the base goes Hi.

Q10 FL+B SW ON when the base goes Lo.

Q11 14V SW ON when the base goes Hi.

Q12 14V SW ON when the base goes Lo.

Q51 Control SW for 16V SW ON when the base goes Hi.

Q52 16V SW When Q51’s base goes Hi, AVR outputs BU voltage.

Q53 FREQ CONT SW for IC51 1.3MHz when the base goes Lo, 1.8MHz when the base goes Hi.

Q101 ACC DET ON when the base goes Hi during ACC is applied.

Q102 Serge DET When the base goes Hi, Surge voltage is detected.

Q103 BU DET ON when the base goes Hi during BU is applied.

Q104,105 Mute Control ON when the base goes Hi.

Q301 Panel 5V SW ON when the base goes Lo.

Q701,702 Pre-out Mute SW When a base goes Hi, pre-out is muted.

Q705 Mute Driver for Pre-out ON when the base goes Lo.

Q902,903 3.3V AVR for IC900 When base of Q902 goes Hi, 3.3V is ON.

Q905 CD “LOE_LIM_SW”_Buffer When the base goes Hi, loading ends.

SWITCH UNIT (X16-647x-xx)

●

Ref. No. Application / Function Operation / Condition / Compatibility

IC1 FL Driver

IC2 Remote Control Sensor

KDC-W4044UA/W4044UAY/W4044UG/W4044UGY KDC-W413UA/W413UAY/W4544U/W4644UY

COMPONENTS DESCRIPTION

CD PLAYER UNIT (X32-6250-00)

●

Ref. No. Application / Function Operation / Condition / Compatibility

IC3 4ch BTL Driver

IC4 Servo DSP with built-in Audio DAC With built-in MP3/WMA/ACC decoder and 1M-bit-SRAM.

IC5 BU1.5V/D3.3V REG.

Q1 APC (Auto Power Control) Drives LD (Laser Diode).

Q14 D1.5V Output

D2 Laser Diode Protection

D3,4 Static Electricity Countermeasure Prevents malfunction by static electricity.

Driver for focusing & tracking coil, driver for sled & spindle motor, and operation for disc

loading & ejection.

Power supply for BU1.5V.

Power supply for digital/analogue/audio 3.3V.

Switches ON/OFF at one end of BU1.5V line which is separated into 2 directions.

Uses output voltage as D1.5V.

Prevents reverse bias which is applied to laser.

Laser destruction prevention.

KDC-W4044UA/W4044UAY/W4044UG/W4044UGY KDC-W413UA/W413UAY/W4544U/W4644UY

MICROCOMPUTER’S TERMINAL DESCRIPTION

SYSTEM μ-COM: IC1 on X34- (ELECTRIC UNIT)

●

Pin No. Pin Name I/O Application

1 LX DATA M I/O Data to slave unit

2 LX CLK I/O LX-BUS clock 125kHz~65kHz

3~5 NC - Not used Output L ﬁ xed

6 REMO I Remote control signal input Detects pulse width

7 NC - Not used Output L ﬁ xed

8 BYTE I Memory extension bus width setting Connects to VSS

9 CNVSS - Connects to VSS. H: Possible to rewrite ﬂ ash ROM

10 XCIN - 32.768kHz

11 XCOUT - 32.768kHz

12 RESET

13 XOUT - 10.0MHz

14 VSS -

15 XIN - 10.0MHz

16 VCC1 -

17 NMI I Connects to VSS

18 PANEL DET

19,20 NC - Not used Output L ﬁ xed

21 ROMCOR DET I E2PROM writing request H: E2PROM writing

22,23 NC - Not used Output L ﬁ xed

24 PON FL O Key illumination power supply control ON: H, OFF: L

25 NC - Not used Output L ﬁ xed

26 PON PANEL

27,28 NC - Not used Output L ﬁ xed

29 AUD SCL I/O E-VOL clock input/output

30 AUD SDA I/O E-VOL data input/output

31 VFD SYS DATA O VFD data output

32 VFD PAN DATA I VFD data input

33 VFD CL O VFD clock output 125kHz

34 VFD BLK O VFD driver reset output

35 S SYS DATA O Bolero serial output

36 S SOC DATA I Bolero serial input

37 S SOC CLK I Bolero serial clock input

38 CD LOS SW I CD loading detection

40 CD LOEJ I/O CD motor control

CD LOE LIM SW

- L: Reset

I Panel communication detection H: Panel detached, L: Panel attached

I/O Panel 5V control

I CD detection (Chucking SW) H: Loading completed, L: No disc

Truth Value

Table

Processing Operation Description

ON: L

11 minutes after momentary power-down, panel

detached or ACC OFF: Hi-Z

The communication begins after 500ms after

VFD_BLK (34) goes Hi.

H: Reset cancelled, L: Reset

11 minutes after momentary power-down, panel

detached or ACC OFF: L

Refer to the truth value table

KDC-W4044UA/W4044UAY/W4044UG/W4044UGY KDC-W413UA/W413UAY/W4544U/W4644UY

MICROCOMPUTER’S TERMINAL DESCRIPTION

Pin No. Pin Name I/O Application

41 EPM I Flash ROM EPM input

42 CD MOTOR I/O CD motor control

43 NC - Not used Output L ﬁ xed

44 CD DISC12 SW I 12cm disc detection

45 NC - Not used Output L ﬁ xed

46 VFD CE O VFD control request

47 NC - Not used Output L ﬁ xed

48 ROTARY CCW I VOL key input (Counter-clockwise) Detects pulse width

49 ROTARY CW I VOL key input (Clockwise) Detects pulse width

50 NC - Not used Output L ﬁ xed

51 RDS DATA I/O RDS decoder data input

52 RDS QUAL I RDS decoder QUAL input

53 CD MUTE I CD mute request H: Normal, L: Mute request

Communication request from SOC to system

54 S SOC REQ

55 SOC RST O SOC reset H: Normal, L: Reset

56 SOC S STOP O SOC stop H: Normal, L: SOC stopped

57 S SYS REQ O

58~61 NC - Not used Output L ﬁ xed

62 VCC2 -

63 NC - Not used Output L ﬁ xed

64 VSS -

65 RDS NOISE I FM noise detection

66 TUN SMETER I S-meter input

67 TUN IFC OUT I Front-end IFC-OUT input H: Station detected, L: No station

68 AUD DC ERR I DC offset detection

69 LX RST O Forced reset to slave unit H: Reset, L: Normal

70 LX CON O Start-up request to slave unit H: Slave unit ON, L: Slave unit OFF

71 LX MUTE I Mute request from slave unit H: Mute ON, L: Mute OFF

72 LX REQ M O Communication request to slave unit

73 PWIC SVR O SVR discharge circuit

74 RDS CLK I/O RDS decoder clock input

75 LX REQ S I Communication request from slave unit

76 PWIC STBY O Power IC standby control Power ON: H, Power OFF: L

77 PWIC MUTE O Power IC mute

μ-COM

Communication request from system μ-COM

to SOC

Truth Value

Table

Processing Operation Description

L: Possible to rewrite ﬂ ash ROM

Connects to VSS (Never set it to output Hi)

Refer to the truth value table

If DC offset is detected 20 times in 100ms with

condition below 1.0V, it will be judged as DC offset

is detected.

During 500ms after power OFF or momentary

power-down: H, Since then: L

STANDBY source or momentary power-down: L,

TEL mute: L

KDC-W4044UA/W4044UAY/W4044UG/W4044UGY KDC-W413UA/W413UAY/W4544U/W4644UY

MICROCOMPUTER’S TERMINAL DESCRIPTION

Pin No. Pin Name I/O Application

78 MUTE I/O Mute L: Mute OFF, Hi-Z: Mute ON

79 BU DET

80 ACC DET

81 TYPE1 I Destination SW

82 TYPE2 I Destination SW

83 PWIC DC ERR I

84 LINE MUTE I Line mute detection TEL mute: Below 1V, NAVI mute: Over 2.5V

85 NC - Not used Output L ﬁ xed

86 FSEL O Frequency SW for switching regulator H: 1.3MHz, L: 1.8MHz

87 PON SWREG O ON/OFF for switching regulator H: ON, L: OFF

88,89 NC - Not used Output L ﬁ xed

90 PS2 2 O Power supply IC control

91 PS2 1 O Power supply IC control

92 PS1 1 O Power supply IC control

93 PS1 2 O Power supply IC control

94 PS1 3 O Power supply IC control

95 NC - Not used Output L ﬁ xed

96 AVSS -

97 REF CON O VREF control Connects to VREF

98 VREF -

99 AVCC -

100 LX DATA S I Data from slave unit

I Momentary power-down detection

I ACC power supply detection ACC detected: L, No ACC: H

Detects whether power IC was short-circuited

to +B or GND

Truth Value

Table

Processing Operation Description

BU detected: L,

No BU or momentary power-down: H

(Operates below 4ms after momentary power-down

is detected)

Refer to the truth value table

• Truth value table

CD motor control

Stop L L

Load H L

Eject H H

Brake H Hi-z

CD motor CD loading/eject

Power supply IC (IC4) control

SEL1 (Pin 10)

PS1-2 PS1-3 PS2-1 ILLUMI P-CON P-ANT

L L L OFF OFF OFF

L L H ON OFF OFF

H L H ON ON OFF

H H H ON ON ON

SEL2 (Pin 11)

PS1-1 PS2-2

L L OFF OFF

H L ON OFF

H H ON ON

AUDIO/SW5

KDC-W4044UA/W4044UAY/W4044UG/W4044UGY KDC-W413UA/W413UAY/W4544U/W4644UY

TEST MODE

Example

■

::.

Key Description of display Description

Disc EJECT times display

■

A symbol “■” in the key column indicates that the key should be pressed and held for 1 second or longer.

How to enter the test mode

■

Procedure Note

EJCXXXXX

Disc EJECT times display. MAX 65535 (times)

While disc EJECT times is displayed, press and hold for 2

seconds or longer to clear disc EJECT times.

Press and hold the [1] key and [3] key and reset.

All lamps blink when it is detected that the sub-clock resonator is disconnected.

When having started up in the test mode, change the LINE MUTE inhibition time from 10 seconds to 1 second.

When operating in the test mode, even if a DC offset error occurs, detection information is not written in the E2PROM.

When operating in the test mode, CD mechanism error log information clear mode, and DC offset error detection information clear mode, do

not perform DEMO mode operations.

Also, do not display DEMO ON/OFF option items in the MENU in STANDBY source in the above modes.

Forced disc ejection is prohibited in the test mode.

How to clear the test mode

■

Procedure Note

Reset, momentary power down, ACC OFF, Power OFF, Panel detached. Clearing the test mode

Test mode default condition

■

Description Default values

Source STANDBY

Display Display lights are all turned on.

Volume -10dB (“30” is displayed.)

Bass Boost OFF

CRSC OFF regardless of having/not having the switching function.

AUX ON1

System Q NATURAL

Preout Rear

KDC-W4044UA/W4044UAY/W4044UG/W4044UGY KDC-W413UA/W413UAY/W4544U/W4644UY

TEST MODE

Special displays when all lights are on in STANDBY source

■

Key Description of display Description

Common

All lights ON. All lights ON.

Destination terminal

condition indication

Development ID condition

indication

Information display

Name of mechanism type

Mechanism version

Information display

Mechanism servo version

(USB)

Information display

Mechanism boot program

version (USB)

2 Serial No. display

Power ON time display

■

Disc operation time display

■

Disc EJECT times display

■

Panel open/close times

display

■

ROM correction version

display

TYPE:1 1

801E2– 3.00

9B20:

SERV:

BOOT:

00000000

PON 0HX X

PONXXXXX

CDT 0H X X

CDTXXXXX

EJCXXXXX

PC XXXXX

0123:0123

ERR :ERR

––––:––––

∗∗∗∗:∗∗∗∗

“TYPE” indicates system μ-com (IC1) destination, and shows

real-time condition of the destination terminal.

Development ID – Version (system μ-com: IC1)

Display of name of mechanism type and mechanism version

(Bolero version)

(Press the key while the display is what is shown in the left

column to change to the servo version display.)

Display of mechanism servo table version

(Press the key while the display is what is shown in the left

column to display mechanism boot program version.)

Display of mechanism boot program version

(Press the key while the display is what is shown in the left

column to return to the normal display.)

Serial No. is displayed (8 digits)

00~50 is displayed for “XX”. When less than 1 hour, displayed

by displayed by increments of 10 minutes.

00001~10922 is displayed for “XXXXX”. MAX 10922 (hours)

When Power ON time is displayed, press and hold for

2 seconds or longer to clear Power ON time.

00~50 is displayed for “XX”. When less than 1 hour,

displayed by increments of 10 minutes.

00001~10922 is displayed for “XXXXX”. MAX 10922 (hours)

While the disc operation time is displayed, press and hold for

2 seconds or longer to clear the disc operation time.

(Cleared only for displayed media.)

Disc EJECT times display. MAX 65535 (times)

While disc EJECT times is displayed, press and hold for

2 seconds or longer to clear disc EJECT times.

PANEL open/close times display. MAX 65535 (times)

Press the key for more than 2 seconds while the PANEL open/

close count is displayed and PANEL open/close count is cleared.

XXXX : XXXX

(System μ-com ROM correction version: Mechanism μ-com

ROM correction)

ERR : ERR

(System μ-com ROM correction error: Mechanism μ-com

ROM correction error)

---- : ----

(System μ-com ROM correction data is not yet written:

Mechanism μ-com ROM correction data is not yet written)

**** : ***

(System μ-com ROM correction data is incompatible:

Mechanism μ-com ROM correction data is incompatible)

KDC-W4044UA/W4044UAY/W4044UG/W4044UGY KDC-W413UA/W413UAY/W4544U/W4644UY

TEST MODE

Key Description of display Description

Turns off all the lights → Turns on odd and even terminals

■

DISP

■

AUD

Fluorescent indicator short

check

Audio data initialization

Forced Power OFF

information display

CD information display

mode ON/OFF

Information display:

iPod authenticati on IC

installation condition

display

AUD I N I T

POFF –––

POF F P NL

iPod:

iPod:OK

iPod:NG

alternatively every 125ms (terminals that have a maximum

number of grids) → Turns on only the odd terminals → Turn

on only the even terminals →

AUDIO setting value is re-set to the test mode default value.

No forced power OFF

Forced power OFF by communication error between system

μ-com and panel.

While the forced power OFF data is displayed, press and

hold for 2 seconds to clear the data.

For the display contents, refer to “CD information display

mode” in the next section.

While in CD information display mode, press and hold for

2 seconds or longer to clear all CD information.

iPod authentication IC installation condition display.

Blank: Checking if the IC is installed

OK: IC is being installed, NG: IC is not yet installed

(Press the key while the display is what is shown in the left

column to return to the normal display)

• CD information display mode

Key Description of display Description

MC E R R 1:X X

CD mecha-

nism error

log display

CD Load

error

information

display

CD Ejection

error

information

display

CD time

code error

count data

display

(Missing

counts)

MC E R R 2:X X

MC E R R 3:X X

LDERR1:XX

LDERR2:X

EJERR1:XX

EJERR2:XX

EJERR3:XX

EJERR4:XX

CNT LO SE

CDDA :X X

Mechanism error log 1 (Latest)

XX: Error number. “– –” is displayed in case there is no error.

Mechanism error log 2 (Latest)

XX: Error number. “– –” is displayed in case there is no error.

Mechanism error log 3 (Latest)

XX: Error number. “– –” is displayed in case there is no error.

Load error switch 1

XX: Number of errors. “– –” is displayed in case there is no error.

Load error switch 2

XX: Number of errors. “– –” is displayed in case there is no error.

Ejection error switch 1

XX: Number of errors. “– –” is displayed in case there is no error.

Ejection error switch 2

XX: Number of errors. “– –” is displayed in case there is no error.

Ejection error switch 3

XX: Number of errors. “– –” is displayed in case there is no error.

Ejection error switch 4

XX: Number of errors. “– –” is displayed in case there is no error.

CD time code error count data (Missing counts) mode display.

Number of CD-DA count errors

XX: Number of errors. “– –” is displayed in case there is no error.

KDC-W4044UA/W4044UAY/W4044UG/W4044UGY KDC-W413UA/W413UAY/W4544U/W4644UY

TEST MODE

Key Description of display Description

CD time

code error

count data

display

(count not

updated)

Test mode speciﬁ cations in TUNER source

■

Error is found in front-end (A1), etc. if indications below is displayed while in tuner source.

Status Display Description

Front-end (A1) E2PROM data error

Front-end (A1) communication error

Destination mismatch

CNT STAY

CDDA :X X

TNE2P NG

TNCON NG

TNTYP NG

CD time code error count data (count not updated) mode display.

Number of CD-DA count errors

XX: Number of errors. “– –” is displayed in case there is no error.

Front-end (A1) E2PROM is still the default (unspeciﬁ ed) value.

Communication with front-end (A1) is not possible.

When destination is mismatch between front-end E2PROM

and the product.

• TUNER preset operation

Key Description of display Description

4 Preset function

FM1 9 8.3 A 4

Change to 98.3MHz with the preset key [4].

• K3I forced switching

Every time when [6] key is pressed in tuner FM source, switched in the following order: AUTO → Forced WIDE → Forced MIDDLE → Forced

NARROW → AUTO. Default status is AUTO, and displayed as shown below.

Key Description of display Description

6 K3I Forced switching

FM1 9 8.1 A

FM1 9 8.1W

FM1 9 8.1M

FM1 9 8.1 N

AUTO

Forced WIDE

Forced MIDDLE

Forced NARROW

• FST adjustment mode

Perform FST soft-mute adjustment.

Key Note

DISP

■

Operations in the FST adjustment mode are as follows:

(UP)

(DOWN)

To enter into FST adjustment mode (Press and hold the key for 1 second)

In FM, the frequency changes to 98.3MHz

Key Description of display Description

/ Soft mute

adjustment

Seek Stop Level

adjustment

(Auto)

Seek Stop Level

adjustment

(Auto)

SMD - F

ATN V

ATL V

0 ↔ 7

0.00(V) ↔ 5.00 (V) Normal (Local OFF)

0.00(V) ↔ 5.00 (V) Normal (Local ON)

KDC-W4044UA/W4044UAY/W4044UG/W4044UGY KDC-W413UA/W413UAY/W4544U/W4644UY

TEST MODE

Key Description of display Description

Seek Stop Level

(UP)

(DOWN)

AUD

■

AUD Mode clear

In the band where the local seek can be turned on or off (Local Seek ON/OFF), it is possible to turn on or off the local seek by pressing the [DISP]

key brieﬂ y.

After completing the FST adjustment, if You wish to clear the test mode, You can do this using the reset button.

Test mode speciﬁ cations in CD source

■

Display mode default: P-Time

adjustment

(Manual)

Seek Stop Level

adjustment

(Manual)

Adjustment

value memory

MNN V

MN L V

EP WR I T E

FM1 9 8.3 A 4

0.00(V) ↔ 5.00 (V) Normal (Local OFF)

0.00(V) ↔ 5.00 (V) Normal (Local ON)

The display in the left column is shown when the data has

been written in E2PROM by pressing and holding the key for

2 seconds.

To clear FST adjustment (The display returns to the normal

display but the test mode is retained)

• Procedure in CD-DA media (KTD-02A)

Key Description of display Description

Every time pressed, jumps to the track shown below.

No.9 → No.15 → No.10 → No.11 → No.12 → No.13 →

Track up procedure

Track down procedure Goes down by 1 track from the currently played track.

1 Jump procedure

2 Jump procedure Jump to No. 14 (Blurring surface disc TCD-731RA Tr14)

Information display

Name of mechanism type

Mechanism version

Information display

Mechanism servo version

(USB)

Information display

Mechanism boot program

version (USB)

5 Jump procedure

6 Jump procedure

9B20:

SERV:

BOOT:

No.22 → No.14 → No.9 (recursive)

But in case the disc has 8 tracks or less, playback starts with

track No.1. (For both CD-DA and compressed ﬁ le discs)

Jump to No. 28 (Scratch 0.7mm for MUSIC line vibration testing)

Display of name of mechanism type and mechanism version

(Bolero version)

(Press the key while the display is what is shown in the left

column to change to the servo version display.)

Display of mechanism servo table version

(Press the key while the display is what is shown in the left

column to display mechanism boot program version.)

Display of mechanism boot program version

(Press the key while the display is what is shown in the left

column to return to the normal display.)

Jump to No.9 and No.22 (Preset 5 → Track 22 in other track

than Track 22, and Preset 5 → Track 9 in Track 22)

(For linearity check)

Jump to No. 15. Set the volume value to “25”.

(For 20Hz 0dB DC protection false-operation FCT checking)

Audio-related test mode

■

Procedure Note

Press the [AUD] key (main unit)

Press the [AUD] and [∗] keys (Remote control)

Enter audio adjustment mode (the initial item should be Fader, and then, Balance

Bass Level → Middle Level → Treble Level → SW Level → System Q → V-Offset →

LPF Sub Woofer

→

KDC-W4044UA/W4044UAY/W4044UG/W4044UGY KDC-W413UA/W413UAY/W4544U/W4644UY

TEST MODE

About audio adjustment items (include both Audio Function Mode and Audio Setup Mode)

Procedure Item Procedure Description

Fader [VOL] knob and [ / ] key Adjust to 3 steps of R15 ↔ 0 ↔ F15. (Default value: 0)

Balance [VOL] knob and [

For item

forwarding

procedure,

press [AUD]

key and

[FM] key

Press and hold [MENU] key Switch Bass Boost (Note: Front key functions as MENU.)

Bass Level [VOL] knob and [

Middle Level [VOL] knob and [

Treble Level [VOL] knob and [

LPF Sub woofer [VOL] knob and [

Volume Offset [VOL] knob and [

Procedure Note

/ ] key Adjust to 3 steps of L15 ↔ 0 ↔ R15. (Default value: 0)

/ ] key Adjust to 3 steps of -8 ↔ 0 ↔ +8. (Default value 0)

/ ] key

Adjust to 2 steps of 80Hz ↔ Through. (Default value: Through)

(Only in models with Sub Woofer output)

Adjust to 3 steps of -8 ↔ 0 ↔ +8 (Default value: 0 and only in the

internal AUX model)

[ATT] key operation

■

Procedure Note

In the TUNER source, press [DISP] key ATT OFF/ON

MENU-related test mode

■

Procedure Note

Press the [MENU] key (main unit)

Press the [DNPP/SBF] and [DIRECT] keys (Remote control)

Backup current measurement

■

Procedure Note

While ACC OFF (Back Up ON), Reset

PREOUT switching

■

Procedure Note

In the STANDBY source, press and hold [AUD] key for

1 second or longer

Fluorescent indicator (ED1) short check

■

Procedure Note

In the STANDBY source, press [AM] key

Continuous forwarding by remote control is prohibited

MUTE terminal is OFF after 2 seconds, not after 15 seconds.

(During this time, the CD mechanism does not function.)

Switches PREOUT

All lights are off → Turns on odd and even terminals alternatively every 125ms

(terminals that have a maximum number of grids) → Turns on only the odd

terminals → Turn on only the even terminals →

Clearing CD mechanism information / Service information / DC offset error information (Clearing E2PROM data)

■

Status Display Description

While pressing and holding [2] key and

[5] key, reset-start.

CLR O

CLR X

At normal termination

At abnormal termination

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