Sony Hcd-bx9 User manual

1

HCD-BX9/DX9

SERVICE MANUAL

HCD-BX9/DX9 is the tuner, deck, CD and

amplifier section in MHC-BX9/DX9.

SPECIFICATIONS

COMPACT DISC DECK RECEIVER

— Continued on next page —

Model Name Using Similar Mechanism HCD-BX7/DX7/DX7J

CD Mechanism Type CDM58-K2BD38

Base Unit Type BU-K2BD38

Optical Pick-up Type KSM-213DAP/ZNP

Model Name Using Similar Mechanism HCD-BX7/DX7/DX7J

Tape Transport Mechanism Type TCM-230MWR11

CD

SECTION

TAPE DECK

SECTION

Photo: HCD-DX9

AEP Model

UK Model

HCD-BX9

E Model

Australian Model

HCD-DX9

Amplifier section

European model:

DIN power output (rated)

130 + 130 W

(6 Ωat 1 kHz, DIN)

Continuous RMS power output (reference)

170 + 170 W

(6 Ωat 1 kHz, 10% THD)

Other models:

The following measured at AC 120, 220, 240 V

50/60 Hz

DIN power output (rated)

220 + 220 W

(4 Ωat 1 kHz, DIN)

Continuous RMS power output (reference)

300 + 300 W

(4 Ωat 1 kHz, 10% THD)

Inputs

MD/VIDEO (AUDIO) IN:

(phone jacks)

voltage 450 mV/250 mV,

impedance 47 kΩ

MIC:

(phone jack)

sensitivity 1 mV,

impedance 10 kΩ

Outputs

PHONES:

(stereo mini jack)

accepts headphones of 8 Ωor more

FRONT SPEAKER:

HCD-BX9:

accepts impedance of 6 to 16 Ω

HCD-DX9:

accepts impedance of 4 to 16 Ω

CD player section

System

Compact disc and digital audio system

Laser

Semiconductor laser (λ=780 nm)

Emission duration: continuous

Laser output

Max. 44.6 µW*

*This output is the value measured at a

distance of 200 mm from the objective

lens surface on the Optical Pick-up Block

with 7 mm aperture.

Frequency response

2 Hz – 20 kHz (±0.5 dB)

Wavelength

780 – 790 nm

Signal-to-noise ratio

More than 90 dB

Dynamic range

More than 90 dB

CD OPTICAL DIGITAL OUT

(Square optical connector jack, rear panel)

Wavelength 660 nm

Output Level –18 dBm

Tape player section

Recording system

4-track 2-channel stereo

Frequency response (DOLBY NR OFF)

40 – 13,000 Hz (±3 dB),

using Sony TYPE I cassette

Tuner section

FM stereo, FM/AM superheterodyne tuner

FM tuner section

Tuning range

87.5 – 108.0 MHz

Antenna

FM lead antenna

Antenna terminals

75 Ω, unbalanced

Intermediate frequency

10.7 MHz

AM tuner section

Tuning range

BX9, Saudi Arabia models:

531 – 1,602 kHz

(with the interval set at 9 kHz)

Other models:

531 – 1,602 kHz

(with the interval set at 9 kHz)

530 – 1,710 kHz

(with the interval set at 10 kHz)

Antenna

AM Loop antenna

Antenna terminals

External antenna terminal

Intermediate frequency

450 kHz

9-929-239-13

2001H0200-1

Sony Corporation

Home Audio Company

Shinagawa Tec Service Manual Production Group

Ver 1.2 2001.08

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12

SECTION 4

TEST MODE

[MC Cold Reset]

• The cold reset clears all data including preset data stored in the

RAM to initial conditions. Execute this mode when returning

the set to the customer.

Procedure:

1. Press three buttons x, ENTER , and ?/1simulta-neously.

2. The fluorescent indicator tube displays “COLD RESET” and

the set is reset.

[CD Ship Mode]

• This mode moves the pickup to the position durable to vibra-

tion. Use this mode when returning the set to the customer after

repair.

Procedure:

1. Press ?/1button to turn the set ON.

2. Press CD button and ?/1button simultaneously.

3. After the "STANDBY" display blinks six times, a message

“LOCK” is displayed on the fluorescent indicator tube, and the

CD ship mode is set.

[MC Hot Reset]

• This mode resets the set with the preset data kept stored in the

memory. The hot reset mode functions same as if the power

cord is plugged in and out.

Procedure:

1. Press three buttons x, ENTER , and DISC 1 simultaneously.

2. The fluorescent indicator tube becomes blank instantaneously,

and the set is reset.

[CD Service Mode]

• This mode can run the CD sled motor freely. Use this mode, for

instance, when cleaning the pickup.

Procedure:

1. Press ?/1button to turn the set ON.

2. Select the function “CD”.

3. Press three buttons x, ENTER , and OPEN/CLOSE simul-

taneously.

4. The CD service mode is selected.

5. With the CD in stop status, turn the shuttle knob clockwise to

move the pickup to outside track, or turn the shuttle knob

counter-clockwise to inside track.

6. To exit from this mode, perform as follows:

1) Move the pickup to the most inside track.

2) Press three buttons in the same manner as step 2.

Note: • Always move the pickup to most inside track when exiting from

this mode. Otherwise, a disc will not be unloaded.

• Do not run the sled motor excessively, otherwise the gear can be

chipped.

[VACS ON/OFF Mode]

• This mode is used to switch ON and OFF the VACS (Variable

Attenuation Control System).

Procedure:

Press the ENTER and SPECTRUM buttons simultaneously. The

message “VACS OFF” or “VACS ON” appears.

[Change-over of MW Tuner Step between 9 kHz and

10 kHz]

• A step of MW channels can be changed over between 9 kHz

and 10 kHz.

Procedure:

1. Press ?/1button to turn the set ON.

2. Select the function “TUNER”, and press TUNER/BAND

button to select the BAND “MW”.

3. Press ?/1button to turn the set OFF.

4. Press ENTER and ?/1buttons simultaneously, and the display

of fluorescent indicator tube changes to “MW 9 k STEP” or

“MW 10 k STEP”, and thus the channel step is changed over.

[GC Test Mode]

• This mode is used to check the software version, FL tube, LED,

keyboard and VACS.

Procedure:

1. Press three buttons x, ENTER , and DISC 2 simultaneously.

2. LEDs and fluorescent indicator tube are all turned on.

3. When you want to enter the software version display mode,

press DISC 1 . The model number and destination are displayed.

4. Each time DISC 1 is pressed, the display changes starting

from MC version, GC version, VC version, CD version, CM

version, ST version, TC version, TA version, TM version and

BR version in this order, and returns to the model number and

destination display.

5. When DISC 3 is pressed while the version numbers are being

displayed except model number and destination, year, month

and day of the software creation appear. When DISC 3 is

pressed again, the display returns to the software version display.

When DISC 1 is pressed while year, month and day of the

software creation are being displayed, the year, month and day

of creation of the software versions are displayed in the same

order of version display.

6. Press DISC 2 button, and the key check mode is activated.

7. In the key check mode, the fluorescent indicator tube displays

“KEY0VOL0”. Each time a button is pressed, “KEY” value

increases. However, once a button is pressed, it is no longer

taken into account.

“VOL” value increases like 1, 2, 3 ... if rotating VOLUME

knob in “+” direction, or it decreases like 0, 9, 8 ... if rotating in

“–” direction.

8. Also when DISC 3 is pressed after lighting of all LEDs and FL

tubes, value of VACS appears.

9. To exit from this mode, press three buttons in the same manner

as step 1, or disconnect the power cord.

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13

[MC Test Mode]

• This mode is used to check operations of the respective sections

of Amplifier, Tuner, CD and Tape.

Procedure:

1. Press the ?/1button to turn on the set.

2. Press the three buttons of x, ENTER and DISC 3

simultaneously.

3. A message “TEST MODE” appears on the FL display tube.

4 When f(CURSOR UP) button is pressed, GEQ increases to

its maximum and a message “GEQ ALL MA” appears.

5. When F(CURSOR DOWN) button is pressed, GEQ decreases

to its minimum and a message “GEQ ALL M1” appears.

6. When g(CURSOR LEFT) or G(CURSOR RIGHT) button

is pressed, GEQ is set to flat and a message “GEQ FLAT”

appears.

7. When the VOLUME control knob is turned clockwise even

slightly, the sound volume increases to its maximum and a

message “VOLUME MAX” appears for two seconds, then the

display returns to the original display.

8. When the VOLUME control knob is turned counter-clockwise

even slightly, the sound volume decreases to its minimum and

a message “VOLUME MIN” appears for two seconds, then

the display returns to the original display.

9. In the test mode, the default-preset channel is called even when

the TUNER is selected and an attempt is made to call the preset

channel that has been stored in memory, by operating the Shuttle

knob. (It means that the memory is cleared.)

10. When CD is selected and the EDIT button is pressed, the disc

that is being chucked at this moment becomes the default

setting. It means that the default disc only is accessed when

any other discs are selected even though the display indication

changes accordingly. At the same time, the DISC SKIP EX-

CHANGE and OPEN/CLOSE cannot be accepted. (It means

that the tray motor and the turntable motor are disabled of their

operation.)

11. When a tape is inserted in Deck B and recording is started, the

input source function selects VIDEO automatically.

12. When xbutton is pressed to stop recording, the Tape (Deck)

B is selected and tape is rewound using the Shuttle knob, tape

is rewound, tape is stops at around the record-starting position

and playback of the recorded portion of the tape is started. If

PAUSE is inserted even once during recording, tape is rewound

to the position around the PAUSE position and is played back.

13. When the CD SYNC HI-DUB Button is press during playback

of Deck B, either normal speed or high speed can be selected

by this button.

14. Select the desired loop by pressing the PLAY MODE button.

Insert a test tape AMS-110A or AMS-RO to Deck A.

15. Press the SPECTRUM button to enter the AMS test mode.

16. After a tape is rewound first, the FF AMS is checked, and the

mechanism is shut off after detecting the AMS signal twice.

17. Then the REW AMS is checked and the mechanism is shut off

after detecting the AMS signal twice.

18. When the check is complete, a message of either OK or NG

appears.

19. When you want to exit this mode, press the ?/1button twice.

The cold reset is enforced at the same time.

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14

[Aging Mode]

This mode can be used for operation check of CD section and tape deck section.

• If an error occurred:

The aging operation stops and display status.

• If no error occurs:

The aging operation continues repeatedly.

1. Operating method of Aging Mode

Turn on the main power and select “CD” of the function.

1) Set a disc in DISC1 tray. Select ALL DISC CONTINUE, and REPEAT OFF.

2) Load the tapes recording use into the decks A and B respectively.

3) Press three buttons x, ENTER , and

DISC SKIP/EX-CHANGE simultaneously.

4) Aging operations of CD and tape are started at the same time.

5) To exit the aging mode, perform [MC Cold Reset].

3. Aging Mode in CD section

1) Display state

• No error occurs

Note:

[*][*][*][*] : Number of aging operations

Error display

E** s## $$ %%

12 3 4 5

• When the buttons x , ENTER and DISC 1 are pressed simultaneously, number of time of the mechanism error and the NO DISC error

can be checked.

Display: EMC**EDC** **: Number of times of error (Maximum three times)

EMC: Mechanism error

EDC: NO DISC error

• When aging operation is complete, be sure to perform the MC Cold Reset to reset the error history.

D: No disc error

01: FOCUS ERROR

02: GFS ERROR

03: SETUP ERROR

01: NO DISC judgment without chucking retry

02: NO DISC judgment after chucking retry

Status at the time of NO DISC judgment

(High order digits only)

1: STOP

2: SETUP

3: TOC READ

4: ACCESS

5: PLAY BACK

6: PAUSE

7: MANUAL SEARCH (PLAY)

8: MANUAL SEARCH (PAUSE)

AGING[*][*][*][*]

1**

2s

3##

4$$

5%%

M: Mechanism error

Don’t care

High order digits only

D: Stopped during closing due to problems other than mechanism.

E: Stopped during opening due to problems other than mechanism.

C: Stopped during chucking due to problems other than mechanism.

F: Stopped during EX-opening due to problems other than mechanism.

Emergency related errors (High order digits only)

1: Stopped during chuck-up

2: Stopped during chuck-down

3: Time out by EX-OPEN

5: Time out by EX-CLOSE

The error No. 00 indicates the newest error. As the error No. increases, it means the older error.

When you want to retrieve the error history, press the PLAY MODE button in the case of mechanism error.

Or press the REPEAT button in the case of NO DISC error.

Display

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15

2) Operation during aging mode

In the aging mode, the program is executed in the following

sequence.

(1) The disc tray opens and closes.

(2) The mechanism accesses DISC 2 and makes an attempt to

read TOC. However, since there are no discs, a message

“CD2 NO DISC” appears.

(3) The mechanism accesses DISC 3 and a message “CD3 NO

DISC” appears.

(4) The disc tray turns to select a disc1.

(5) A disc is chucked.

(6) TOC of disc is read.

(7) The pickup accesses to the track 1, and playing 2 seconds.

(8) The pickup accesses to the last track, and playing 2 seconds.

(9) Every time when an aging operation of step 1 to step 8 is

complete, the display “AGING[*][*][*][*]” value increases

as the number of aging operations is counted up.

(10) Returns to step 1.

3. Aging Mode in Tape Deck section

1) Display state

• No error occurs

Display action now

• Error occurred

Display action last time

2) Operation during aging mode

In the aging mode, the program is executed in the following

sequence.

(1) Rewind is executed up to the top of tape A and B.

(2) A tape on FWD side is played for 2 minutes.

(3) FF is executed up to either made for 20 second or the end of

tape.

(4) A tape is reversed, and the tape on REV side is played for 2

minutes.

(5) Rewind is executed up to the top of tape.

(6) Returns to step 2, and repeat steps from 2 to 5.

[Function Change Mode]

* elect either VIDEO or MD of the external FUNCTION input.

Procedure:

1. Turn on the power.

2. Press the two buttons ENTER and ?/1at the same time.

The main power is turned on and the other function of the

previous function is selected and displayed. “MD” or

“VIDEO”.

NO. Display action Action contents Final timing

1 TAPE A AG-1 Rewind the TAPE A, B The top of tape

2 TAPE A AG-2 FWD play the TAPE A 2 minutes playing

3 TAPE A AG-3 F.F. the TAPE A 20 second FF or the end

of tape

4 TAPE A AG-4 REV play the TAPE A 2 minutes playing

5 TAPE A AG-5 Rewind the TAPE A The top of tape

6 TAPE B AG-2 FWD play the TAPE B 2 minutes playing

7 TAPE B AG-3 F.F. the TAPE B 20 second FF or the end

of tape

8 TAPE B AG-4 REV play the TAPE B 2 minutes playing

9 TAPE B AG-5 Rewind the TAPE B The top of tape

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HCD-BX9/DX9

22

7-2. BLOCK DIAGRAMS

–TUNER/CD SECTION –

: FM

: CD

•Signal Path

•RCH is omitted

: DIGITAL OUT

FM 75Ω

G

AM

TM601

ANT IN

17

IF OUT

8

OSC OUT

5

VT

FE601

DX9 MODEL

ANT IN

17IF OUT

8OSC OUT

5VT

FE603

BX9 MODEL

R601

+B A+12V

Q602

FM

10

FM OSC

15

VT1 IN

18

VT1

17

PD1

19

PLL

IC651

12

FM/AM IF

7

FM

14

AM OSC

2VCO STOP

8IF REQ

6DO

4DI

5

CL

3

CE

XIN

1

XOUT

24

X651

4.5MHz

RF IF

AMP

Q602

CF601 CF602

DO

DI

CL

CE

1

13

3

4

55

122

14

1511

67

9

RB641

19

AM MIX OUT

IF OUT

9

AM/IF

12

AM OSC

24

VCO STOP

13

IF REQ MUTE

8

AM RF IN

20

AM OSC

22

V REG

23

FM IF

1

AM/FM IF MPX

IC601

11

L OUT

10

R OUT

BUFFER

Q611

LPF601

LPF

18AM IF IN

IFT601

16

FM/AM DET

R-CH

A

MAIN

SECTION

31

IC681

MUX

4

XO

14

XI

13

2

DATA

16

INT

RDS

IC682

6

TUNED

17

STEREO

3

FM SD ADJ

BX9

MODEL

RV611

XT681

4.332MHz

RDS DATA

21

RDS INT

20

ST MUTE

22

ST CE

25

ST CLK

28

ST DOUT

26

ST DIN

27

STEREO

23

TUNED

24

MASTER CONTROL

IC401(1/2)

DO

CL

CE

DI

OPTICAL PICK-UP

BLOCK

(KSM-213DAP)

A

B

C

D

E

F

LD

VC

+5V

GND

PD

VR

LD

DRIVE

FOCUS

COIL

TRACKING

COIL

09

Q101

RF AMP

IC103

VC

12

A

5

B

6

C

7

D

8

E

11

F

10

LD

3

PD

4

IC102

MOTOR/COIL DRIVE

CH1RO

13

CH1FO

14

CH2RO

11

CH2FO

12

CH3RO

18

CH3FO

17

M

M102

SLED

MOTOR

CH4RO

16

CH4FO

15

M

M101

SPINDLE

MOTOR

F+

F-

T+

T-

3

CH1RI

2

CH1FI

6

CH2RI

5

CH2FI

23

CH3RI

24CH3FI

25CH4INS

20

MUTE

MDP

26

SFDR

28

SRDR

29

TRDR

31

TFDR

30

FRDR

33

FFDR

32

DIGITAL SIGNAL PROC.

D/A CONV.

IC101

DIGITAL SERVO

60

D OUT

RFAC

51

17

RFI

16

RFO

14

FE

13

TE

22LD ON

21HOLD SW

RFDC

43

FE

39

TE

41

SE

40

XLON

14

72

L OUT

DIGITAL

OUT

OPTICAL CD

DIGITAL OUT

IC201

75

R OUT

5DATA

B

MAIN

SECTION

R-CH

L OUT

L-CH

7CLOK

6XLAT

2SQCK

9

SCLK

20

SCOR

1

SQSO

27

SSTP

66

XTAI

67

XTAO

3XRST

S101

LIMIT

IN SW

X101

16.9344MHz

CD DATA

33

CD CLK

37

XLT

42

SQ CLK

33

SCOR

19

SQ DATA

32

XRST

43

HOLD

41

TBL ADDRESS

SENSOR

49

T SENS

IC711

48

BU UP/DOWN SW

46OPEN SW

47CLOSE SW

44

MTR CNT2

OPEN/CLOSE

S701

BU UP/

DOWN

S711

45MTR CNT1

MOTOR

DRIVE

9

7

4

2

M

IC701

TURN

MOTOR

M721

(Page 23)

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HCD-BX9/DX9

2323

–MAIN SECTION –

RESET

: FM

: CD

•Signal Path

•RCH is omitted

: PB (DECK A)

: PB (DECK B)

: REC (DECK B)

REC

BIAS

TRAP

R-CH

R CH

BIAS

OSC

Q302,303

RV304

Q301

TA+12V

C332,L301

ERASE

HEAD

REC/PB

HEAD

PB EQ

AMP

IC304 RV303

IC302

REC/PB SWITCH

REC

EQ

BIAS

SW

DOLBY

B

NORM

CROM

REC(L)

LEVEL

RV301

40

1

2

3

4

48

46

A

B

70

120

PB

REC

DOL

PAS

PB

REC

36

33

32

38 39

43

BIAS ON/OFF

20

B NORM/CROM/METAL

ALC ON/OFF

15

RM ON/OFF

22

NR ON/OFF

23

REC /PB/PASS

24

LM ON/OFF

25

MS OUT

26

A

TUNER

SECTION

B

CD

SECTION

MD/VIDEO

(AUDIO) R-CH

L-CH

LOUT

L-CH

J101

L

R

R-CH

PB

HEAD

DECK-B

DECK-A

PB EQ

AMP

IC303 RV302

SWITCH

Q304,305

17

A120/70

PB A/B

16

NORM/HIGH

18

DECK PROC.

IC301

INPUT SELECT

TONE/VOL CONT

IC101

IN2A

40

IN2C

38

IN2D

37

INVOL OUT2

35

IN2B

39

24

VOL OUT2

DATA

21

CLOCK

22

R-CH

1

REF

DBFB

SWITCH

Q503

DBFB

CONT

Q101,102

5

67

IC102

MUTE

Q103

MUTE

CONT

Q504,505

POWER

AMP

IC501

15

12

11

R CH

J102

MUTE

Q581

MUTE

CONT

Q503,504

MUTE

Q862

MUTE

CONT

Q861

D841 OVER LOAD

DETECTOR

Q551

OVER HEAT

DETECTOR

Q506,506+B

D502

PROTECT

DETECTOR

Q821,822

PROTECT

CONT

Q823

PROTECT

SWITCH

Q828,829

RELAY

DRIVE

Q824,825 RY801

J631

PHONS

R CH

FAN

DRIVE

Q891,892

SURROUND

SPEAKER

L

R

TM801

SPEAKER

91

B SHUT

90

A SHUT

69

B PLAY

68

A PLAY

93

B HALF

67

A HALF

77

PB A/B

A TRIG

DRIVE

CAP MOTOR

DRIVE

Q396,397

Q393,394

B TRIG

DRIVE

Q391,392

CAP MOTOR

SPEED CONT

Q395

A TRIG

57

B TRIG

58

CAP M H/L

59

CAP M CONT

60

TC BLOCK

A120/70

B120/70

A HALF

B HALF

A PLAY

B PLAY

A SHUT

B SHUT

A TRG M+

B TRG M+

CAP M H/L

CAP M+

19

79

TC RELAY

IC401(2/2)

MASTER CONTROL

76

EQ H/N

78

ALC

75

BIAS

74

REC MUTE

73

NR ON/OFF

72

R/PB PAS

71

TC MUTE

70

AMS IN

4

DATA

5

CLK

83

DBFB ON/OFF

DC

BIAS

Q141

+6V A+12V

84

LINE MUTE

100

STK MUTE

87

RELAY H

82

PROTECT

30

IIC DATA

10

XC IN

11

XC OUT

15

X IN

13

X OUT

32.768kHz

X401 16MHz

X402

BPF 0

BPF 5

P1

P35

G1

G17

FLOURESCENT

INDICATOR TUBE

DISPLAY CONTROL

IC601

F1 F2

LED

DRIVER

Q606-614

D611-615

D617,618

11

FUCTION

KEY

SIRCS

IC603

97 I2C DATA

98 I2CCLOCK

VOL A

1

VOL B

2

SIRCS

100

S601

VOLUME

X601

12.5MHz

+5.6V

REG

Q615

FL601

IC602

50

52

85

.

49

33

20

25

ALL BAND

26

HEADPHONE

3

S617,618

S623-628,630-636

10

5

PLAY1-3

EXIST1-3

LED

DRIVER

Q630-635

D630-632

11

GROOVE LED

12

FILE LED

13

BASS SHIFT LED

14

FUNCTION LED

15REC/PAUSE LED

16SURROUND LED

LED

DRIVER

Q621-626

LED

DRIVER

Q604

28POWER LED POWER

D601

LED

DRIVER

27

TIMER LED TIMER

SELECT

D602

Q605

17

12

SPEANA

BPF

6

5

4

3

+7V

KEY0

17

FUCTION

KEY

S611-616

S619-621,626,629

KEY1

18

FUCTION

KEY

S637-646

KEY2

19

96 WAKE UP

92 RESET

89

XIN

90

XOUT

MIC 1

J721

DX9 MODEL

MIC

VOL

RV722

IC722 IC722

MIC 2

J722

ECHO

LEVEL

26

ECHO

LEVEL

IC721

RV721

EA MODEL

29

IIC CLK

18

WAKE UP

7

AC CUT

T971

AC

IN

F973 JW9073

JW9071

S951

BX9,AUS

MODEL

EXCEPT BX9,AUS,MX

MODEL

EXCEPT MX

F971

F972

F974

F975

-V

REG

+5V

REG

Q941

D541

-B

+B

-B

POWER

AMP

D901-904

EVER +5.6V

F1

F2

D972-975

AC

IN

RELAY

DRIVE

Q971

IC971 T972

1

3

+5.6V

REG 1

3

BX9 MODEL

RY971

+12V

REG 1

3

+9V

REG 1

3

+7V

REG 1

3

CD POWER

SWITCH

+5V

REG 1

3

IC911 Q911,912

IC951

IC921

IC961

IC931

CD D+5V

CD A+5V

RDS D+5V UNSW

AUDIO +5V

A+12V

TC A+12V

MIC A+12V

ST A+12V

TC M+9V

CD M+7V

LED +7V

D906-909

D952

D953

D511

STBY RELAY

81

85

CD POWER

RESET

12

Q501 IC501

09

T301

D822

DX9

MODEL

(Page 22)

EXCEPT BX9,AUS AUS MODEL

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3

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7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

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HCD-BX9/DX9

2525

7-4. SCHEMATIC DIAGRAM –BD SECTION –•See page 21 for Wavefoms. •See page 46 for IC Block Diagrams.

(Page 29)

09

(KSM-213DAP)

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

TEL 13942296513 QQ 376315150 892498299

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HCD-BX9/DX9

2727

7-6. SCHEMATIC DIAGRAM –MAIN (1/3) SECTION –•See page 47 for IC Block Diagrams.

(Page 29)

09

DX9 MODEL

680 : BX9

330: DX9

L642

33uH : BX9

0 : DX9

0.015 : BX9

0.01 : DX9

DX9

MODEL

BX9 MODEL

BX9

DX9

BX9

DX9

BX9 MODEL

DX9 MODEL

C625

R612

4.7k : DX9

10k : BX9

330

DX9

BX9

BX9 MODEL

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

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HCD-BX9/DX9

28

7-7. SCHEMATIC DIAGRAM – MAIN (2/3) SECTION – • See page 21 for Wavefoms. • See page 44 for IC Pin Function Description. • See page 48 for IC Block Diagrams.

(Page 29) (Page 29)

(Page 29)

(Page 37)

09

DX9 MODEL

BX9

MODEL

BX9

MODEL

DX9 MODEL

N

4.7k

C395 0.1

C354

0.1

C304

0.1

2 . 2

22k

BX9 MODEL

100

DX9

MODEL

DX9 MODEL

470

100

FUNCTION

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

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HCD-BX9/DX9

2929

(Page 31, 33) (Page 31, 33)

(Page 27)

(Page

25)

(Page

39)

(Page 28)

(Page 35)

09

TA7807S

M5F7809L

C901

DX9: 3300 25V

BX9: 3300 16V

10V

JR908

JR909

32

33

C212

1000P

DX9 MODEL

BX9 MODEL

3.3k

C824

4.7k

D824

1SS355 R830

4.7k

R901

100

25V

10V

7-8. SCHEMATIC DIAGRAM –MAIN (3/3) SECTION –

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

TEL 13942296513 QQ 376315150 892498299

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HCD-BX9/DX9

3131

7-10. SCHEMATIC DIAGRAM –POWER AMP SECTION –(BX9 MODEL)

(Page 41)

(Page 29) (Page 29)

1.5k

15B

040

470

0.22

1.5k

15B

040

470

0.22

EP502

C512

0.01

RBV-602-01

-01

80V

(Page 41)

STBY RELAY

EVER +5.6V

D-GND

NO504

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

TEL 13942296513 QQ 376315150 892498299

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HCD-BX9/DX9

3333

7-12. SCHEMATIC DIAGRAM –POWER AMP SECTION –(DX9 MODEL)

(Page 43)

(Page 29) (Page 29)

470

RBV-1506

(Page 43)

NO505

VH

GND

VL

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

TEL 13942296513 QQ 376315150 892498299

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HCD-BX9/DX9

3535

7-14. SCHEMATIC DIAGRAM –PANEL SECTION –•See page 21 for Wavefoms. •See page 45 for IC Pin Function Description. •See page 47 for IC Block Diagrams.

(Page 29)

09

EA MODEL

DX9 MODEL

EA

MODEL

DX9 MODEL

*

R737

47k : EA

22k : EXCEPT EA

*

ECHO

LEVEL

R746

1k

MTZJ-T-77-5.6C

C617

0.001

220 220 220

150

R747

330

D605

MTZJ-T77-5.1B

R732

1k

16V

4.8

0.9

2.5

0.7

7.2

7

0

00

0

7.0

FUNCTION

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

TEL 13942296513 QQ 376315150 892498299

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HCD-BX9/DX9

36

7-15. PRINTED WIRING BOARD –LEAF SW SECTION –•See page 21 for Circuit Boards Location.

12

A

B

C

3456

(Page 26)

09

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

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HCD-BX9/DX9

3737

7-16. SCHEMATIC DIAGRAM –LEAF SW SECTION –

(Page 28)

09

NORMAL

SPEED

HIGH SPEED

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

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HCD-BX9/DX9

3939

7-18. SCHEMATIC DIAGRAM –DRIVER SECTION –

09

(Page 29)

C712

0.1

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

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HCD-BX9/DX9

4141

7-20. SCHEMATIC DIAGRAM –TRANS SECTION –(BX9 MODEL)

(Page 31)

TRANSFORMER

F973

T4A 250V

31

w

.

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i

a

o

y

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1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

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3

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HCD-BX9/DX9

4343

7-22. SCHEMATIC DIAGRAM –TRANS SECTION –(DX9 MODEL)

CN978

VH

GND

GF973 T4A 250V

F972 T4A 250V

w

.

x

i

a

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y

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1

6

3

.

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o

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3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

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0

5

1

5

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Sony HCD-BX9 User manual

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