Sony HCD-RX900, HCD-GRX9000 User Manual

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MICROFILM

SERVICE MANUAL

MINI Hi-Fi COMPONENT SYSTEM

SPECIFICATIONS

HCD-GRX9000/RX900

Photo: HCD-RX900

Dolby noise reduction manufactured under license

from Dolby Laboratories Licensing Corporation.

“DOLBY” and the double-D symbol a are trade-

marks of Dolby Laboratories Licensing Corporation.

East European Model

CIS Model

HCD-RX900

E Model

HCD-GRX9000

Model Name Using Similar Mechanism HCD-H991AV

CD Mechanism Type CDM38LH-5BD29AL

Base Unit Type BU-5BD29AL

Optical Pick-up Type KSS-213D/Q-NP

Model Name Using Similar Mechanism HCD-GRX7/RX77S

T ape Transport Mechanism Type

TCM-230AWR1/

230PWR1

HCD-GRX9000/RX900 are the Amplifier,

CD player, Tape Deck and Tuner section

in MHC-GRX9000/RX900.

Section

TAPE

DECK

Section

– Continued on next page –

– 2 –

– 3 –

1. SERVICING NOTES ............................................... 3

2. GENERAL

Location of Controls ....................................................... 6

Setting the Time .............................................................. 7

3. DISASSEMBLY ......................................................... 8

4. TEST MODE.............................................................. 11

5. MECHANICAL ADJUSTMENTS....................... 13

6. ELECTRICAL ADJUSTMENTS

DECK Section ................................................................. 13

TUNER Section .............................................................. 16

CD Section ...................................................................... 18

7. DIAGRAMS................................................................. 20

7-1. Block Diagram – TUNER Section

(East European, CIS models only) – .............................. 21

7-2. Block Diagram – CD Section – ...................................... 23

7-3. Block Diagram – TAPE DECK Section – ...................... 25

7-4. Block Diagram – MAIN Section (1/2) – ........................ 27

7-5. Block Diagram – MAIN Section (2/2) – ........................ 29

7-6. Block Diagram – DISPLAY/KEY CONTROL/

POWER SUPPLY Section – ........................................... 31

7-7. Note for Printed Wiring Boards and

Schematic Diagrams ....................................................... 33

7-8. Printed Wiring Board – TUNER Section

(East European, CIS models only) – .............................. 34

7-9. Schematic Diagram – TUNER Section

(East European, CIS models only) – .............................. 35

7-10. Printed Wiring Board – CD Section –........................... 37

7-11. Schematic Diagram – CD Section – ............................... 39

7-12. Printed Wiring Boards – CD MOTOR Section – .......... 41

7-13. Schematic Diagram – CD MOTOR Section – .............. 43

7-14. Printed Wiring Board – TAPE DECK Section – ........... 45

7-15. Schematic Diagram – TAPE DECK Section – .............. 47

7-16. Printed Wiring Board – LEAF SW Section – ...............49

7-17. Schematic Diagram – LEAF SW Section – .................. 49

7-18. Printed Wiring Board – MAIN Section –...................... 51

7-19. Schematic Diagram – MAIN Section (1/4) –............... 53

7-20. Schematic Diagram – MAIN Section (2/4) –................ 55

7-21. Schematic Diagram – MAIN Section (3/4) –................57

7-22. Schematic Diagram – MAIN Section (4/4) –................ 59

7-23. Printed Wiring Board – PANEL Section – .................... 61

7-24. Schematic Diagram – PANEL Section – ....................... 63

7-25. Printed Wiring Board – CD-SW Section –.................... 65

7-26. Schematic Diagram – CD-SW Section – ...................... 65

7-27. Printed Wiring Board – HP Section – ........................... 67

7-28. Schematic Diagram – HP Section – .............................. 68

7-29. Printed Wiring Boards – POWER AMP Section – ....... 69

7-30. Schematic Diagram – POWER AMP Section – ............ 71

7-31. Printed Wiring Board

– TRANSFORMER Section – ........................................ 73

7-32. Schematic Diagram

– TRANSFORMER Section – ........................................ 74

7-33. IC Pin Function Description ........................................... 81

8. EXPLODED VIEWS ................................................ 86

9. ELECTRICAL PARTS LIST ............................... 95

TABLE OF CONTENTS

The laser diode in the optical pick-up block may suffer electro-

static break-down because of the potential difference generated

by the charged electrostatic load, etc. on clothing and the human

body.

During repair, pay attention to electrostatic break-down and also

use the procedure in the printed matter which is included in the

repair parts.

The flexible board is easily damaged and should be handled with

care.

NOTES ON LASER DIODE EMISSION CHECK

The laser beam on this model is concentrated so as to be focused

on the disc reflective surface by the objective lens in the optical

pick-up block. Therefore, when checking the laser diode emis-

sion, observe from more than 30 cm away from the objectiv e lens.

Notes on chip component replacement

• Never reuse a disconnected chip component.

• Notice that the minus side of a tantalum capacitor may be dam-

aged by heat.

Flexible Circuit Board Repairing

• Keep the temperature of the soldering iron around 270 ˚C dur-

ing repairing.

• Do not touch the soldering iron on the same conductor of the

circuit board (within 3 times).

• Be careful not to apply force on the conductor when soldering

or unsoldering.

NOTES ON HANDLING THE OPTICAL PICK-UP

BLOCK OR BASE UNIT

CAUTION

Use of controls or adjustments or performance of procedures

other than those specified herein may result in hazardous ra-

diation exposure.

This appliance is classified as a CLASS 1 LASER product.

The CLASS 1 LASER PRODUCT MARKING is located on

the rear exterior.

Laser component in this product is capable of emitting radiation

exceeding the limit for Class 1.

The following caution label is located inside the unit.

SECTION 1

SERVICING NOTES

– 4 –

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK ! OR DOTTED

LINE WITH MARK ! ON THE SCHEMATIC DIA GRAMS

AND IN THE PARTS LIST ARE CRITICAL TO SAFE

OPERATION. REPLACE THESE COMPONENTS WITH

SONY PARTS WHOSE PART NUMBERS APPEAR AS

SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-

LISHED BY SONY.

PART N o.

MODEL IDENTIFICATION

– Back Panel –

MODEL PART No.

E model 4-996-846-0π

Malaysia, Singapore models 4-996-846-1π

Saudi Arabia model 4-996-846-2π

East European, CIS models 4-996-846-5π

– 5 –

HOW TO OPEN THE DISC TRAY WHEN POWER SWITCH TURNS OFF.

NOTE FOR INSTALLATION (ROTARY ENCODER)

Remove the Case.

Pull-out the disc tray.

Turn the cam to the

direction of arrow.

BU cam

Groove

Section A

Note:When attaching the Base unit, Insert th

section A into the groove of BU cam.

Note:When attaching the BU cam,

engage the Rotary encoder

switch as shown in the figure.

– 6 –

SECTION 2

GENERAL

LOCATION OF CONTROLS

1 2 3 4

!¶

!§

!∞

!ª

@º

@¡

@™

@£

!º

!¡

!™

!£

!¢

@¢

#º

#¡

#£

#¢

#¶

#•

#ª

@§

@¶

@•

@ª

$º $¡ $™ $£ $¢ $∞ $§

1 I /u (Power) button

2 DISC 1 to 3 buttons and indicators

3 DISC SKIP/EX-CHANGE button

4 6 (CD) button

5 CD disc tray

6 CD ^ button and indicator

7 TUNER, BAND button

8 r REC button and indicator

9 P PAUSE button and indicator

!º HI-DUB button

!¡ CD SYNC button

!™ EFFECT button and indicator

!£ SURROUND button

!¢ KARAOKE PON/MPX button

!∞ TAPE B 9 and ( buttons and indicators

!§ TAPE A 9 and ( buttons and indicators

!¶ FUNCTION button

!• MIC LEVEL knob

!ª MIX MIC jac

@º DISPLAY/DEMO button

@¡ CLOCK/TIMER SET button

@™ TIMER SELECT button

@£ p button

@¢ Fluorescent indicator tube

@∞ ENTER/NEXT button and indicator

@§ GROOVE button and indicator

@¶ VOLUME konb

@• PHONES jack

@ª DBFB button

#º Remote sensor

#¡ P FILE MEMORY button

#™ GEQ CONTROL button

#£ FILE SELECT button

#¢ LOOP button

#∞ NON-STOP button and indicator

#§ FLASH button

#¶ EDIT, DIRECTION button

#• PLAY MODE, DOLBY NR button

#ª REPEAT button

$º § button (deck A)

$¡ Tape deck A

$™ –, 0 button and indicator

$£ JOG dial

$¢ +, ) button and indicator

$∞ Tape deck B

$§ § button (deck B)

!•

@∞

#™

#§

#∞

– 7 –

– 8 –

Note: Follow the disassembly procedure in the numerical order given.

SECTION 3

DISASSEMBLY

FRONT PANEL SECTION

CASE

three screws

(BVTT3

screw

(CASE3 TP2) (3

12)

two screws

(CASE3 TP2) (3

case

screw

(CASE3 TP2) (3

12)

two screws

(CASE3 TP2) (3

)

two claws

loading panel

Turn the cam to the direction

of arrow

screw

(BVTP3

10)

Pull-out the

disc tray.

three screws

(BVTT3

connector

(CN109)

screw

(BVTP3

10)

wire (flat type) (13 core)

(23 cm) (CN201)

wire (flat type)

(17 core) (CN107)

wire (flat type)

(15 core) (33 cm)

(CN106)

– 9 –

TAPE MECHANISM DECK SECTION (TCM-230AWR1/TCM-230PWR1)

CD MECHANISM DECK SECTION (CDM38LH-5BD29AL)

Push the

cassette lids.

three screws

(BVTP3

Open the

cassette lids.

two screws

(BVTP3

8 )

tape mechanism

deck section

(TCM-230AWR1/

TCM-230PWR1)

CD mechanism deck section

(CDM38LH-5BD29AL)

Note: The CD mechanism deck will

fall if two screws are removed.

Support it by hand, then remove

three screws.

two screws

(BVTP3

wire (flat type) (19 core) (24 cm)

(CN105)

two connectors

(CN103, CN104)

– 10 –

MAIN BOARD

two screws

(BVTP3

screw

(BVTP3

wire (flat type) (13 core) (14 cm)

(CN102) (E, Thai)

wire (flat type) (15 core) (14 cm)

(CN102) (EXCEPT E, Thai)

MAIN boar

connector

(CN101)

connector

(CN110)

two screws

(BVTT3

connector

(CN11)

screw

(BVTP3

– 11 –

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 p , [ENTER/NEXT], and I/u simulta-

neously.

2. The fluorescent indicator tube becomes blank instantaneously ,

and the set is reset.

[CD Delivery 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 I/u button to turn the set ON.

2. Press [LOOP] button and I/u button simultaneously.

3. A message “LOCK” is displayed on the fluorescent indicator

tube, and the CD delivery 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 p , [ENTER/NEXT], and [DISC1] si-

multaneously.

2. The fluorescent indicator tube becomes blank instantaneously ,

and the set is reset.

[Sled Servo Mode]

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

instance, when cleaning the pickup.

Procedure:

1. Press

I/u button to turn the set ON.

2. Select the function “CD”.

3. Press three buttons p , [ENTER/NEXT], and § simulta-

neously.

4. The Sled Servo mode is selected, if “CD” is blanking on the

fluorescent indicator tube.

5. With the CD in stop status, press ) + button to move the

pickup to outside track, or – 0 button 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 3.

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.

[Change-over of FUNCTION Name]

• The FUNCTION name of external input terminal can be changed

over to “VIDEO” of “MD”.

Procedure:

1. Press I/u button to turn the set OFF.

2. Press I/u button together with [FUNCTION] button, and the

power is turned on, the display of fluorescent indicator tube

changes to “MD” of “VIDEO” instantaneously, and thus the

FUNCTION is changed over.

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

10 kHz]

• A step of AM channels can be changed ov er between 9 kHz and

10 kHz.

Procedure:

1. Press I/u button to turn the set ON.

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

button to select the BAND “AM”.

3. Press I/u button to turn the set OFF.

4. Press [ENTER/NEXT] and I/u buttons simultaneously, and

the display of fluorescent indicator tube changes to “AM 9 k

STEP” or “AM 10 k STEP”, and thus the channel step is

changed over.

[Change-over of LW Tuner Step between 1 kHz and

3 kHz]

• A step of L W channels can be changed ov er between 1 kHz and

3 kHz.

Procedure:

1. Press I/u button to turn the set ON.

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

button to select the BAND “LW”.

3. Press I/u button to turn the set OFF.

4. Press [ENTER/NEXT] and I/u buttons simultaneously, and

the display of fluorescent indicator tube changes to “LW 1 k

STEP” or “LW 3 k STEP”, and thus the channel step is changed

over.

[LED and Fluorescent Indicator Tube All Lit, Key Check

Mode]

Procedure:

1. Press three buttons p , [ENTER/NEXT], and [DISC2] si-

multaneously.

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

Press [DISC2] button, and the key check mode is activated.

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

“K 1 J0 V0”. Each time a button is pressed, “K” value in-

creases. However , once a button is pressed , it is no longer taken

into account.

“J” value increases like 1, 2, 3 ... if rotating [JOG] knob in “+”

direction, or it decreases like 0, 9, 8 ... if rotating in “–” direc-

tion.

“V” value increases like 1, 2, 3 ... if rotating [VOLUME] knob

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

“–” direction.

4. To exit from this mode, press three buttons in the same man-

ner as step 1, or disconnect the power cord.

– 12 –

[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

1) Set disc in DISC1 tray.

2) Load the tapes recording use into the decks A and B respec-

tively.

3) Press three buttons p , [ENTER/NEXT],

and [DISCSKIP/EX-CHANGE] simultaneously.

4) The aging mode is activated, if a CD roulette mark on the fluo-

rescent indicator tube is blinking.

5) To exit from the aging mode, press I/u button to turn the set

OFF.

2. Operation Sequence

• During the aging mode in the following sequence to below.

• Starting the CD section aging for function set “CD”, starting

the TAPE section (deck A) aging for function set “TAPE A” or

“TAPE B”. (Set another function is no work.)

CD (disc1) (12 minutes) → Deck A

↑↓(Maximum about

Deck B 12 minutes)

3. Aging mode in CD section

1) Display state

• No error occurs

display

Note:

[*][*]

: a letter “CD” and the remainder time (minute) alternately. (re-

mainder time start from 12 minute)

@@: track number in access.

• Error occurred

2) Operation during aging Mode

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

quence.

(1) The CD tray rotates and disc 1 is selected.

(2) Chucking is performed.

(3) TOC is read.

(4) Track 1 played back for 8 seconds.

(5) The CD tray opens and closes again.

(6) 1 to 5 is repeated.

(7) After 12 minutes of aging, aging is switched to the tape deck.







NO. Display Main factor

1 NO DISC ERR Not set disc in DISC1

2 FOCUS1 ERR Focus does not work

3 FOCUS2 ERR Focus does not work after the disc rotate as usual

4 GFS ERR GFS error

5 FBIAS ERR Error in to the focus bias adjustment

6 SENSOR ERR Disc sensor sens DISC1 is no disc

7 TABLE ERR CD tray lotate does not work

8 TRAY ERR Tray (include BD) move does not work

4. 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 se-

quence.

(1) The tape in deck A is rewound to the head.

(2) The FWD side is played back for 2 minutes.

(3) The tape is fast forwarded (FF) for 20 seconds. The follow-

ing procedure is performed when the tape end is reached

before the 20 seconds.

(4) The REV side is played back for 2 minutes.

(5) The tape is rewound to the head (REW).

(6) The tape in deck B is rewound to the head.

(7) The FWD side is played back for 2 minutes.

(8) The tape is fast forwarded (FF) for 20 seconds. The follow-

ing procedure is performed when the tape end is reached

before the 20 seconds.

(9) The REV side is played back for 2 minutes.

(10) The tape is rewound to the head (REW).

(11) Aging is switched to the CD player.

NO. Display action Action contents Final timing

1 TAPE A AG-1 Rewind the TAPE A 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 First either 20 seconds

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-1 Rewind the TAPE B The top of tape

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

8 TAPE B AG-3 F.F. the TAPE B First either 20 seconds

or the end of tape

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

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

[*][*]

1 –

@ @

– 13 –

DECK SECTION 0 dB=0.775 V

SECTION 6

ELECTRICAL ADJUSTMENTS

Tape Signal Used for

P-4-A100 10 kHz, –10 dB Azimuth Adjustment

WS-48B 3 kHz, 0 dB Tape Speed Adjustment

P-4-L300 315 Hz, 0 dB Level Adjustment

DECK A DECK B

1. Demagnetize the record/playback head with a head demagne-

tizer.

2. Do not use a magnetized screwdriver for the adjustments.

3. After the adjustments, apply suitable locking compound to the

parts adjust.

4. The adjustments should be performed with the rated power

supply voltage unless otherwise noted.

5. The adjustments should be performed in the order given in

this service manual. (As a general rule, playback circuit ad-

justment should be completed before performing recording

circuit adjustment.)

6. The adjustments should be performed for both L-CH and R-

CH.

7. Switches and controls should be set as follows unless other-

wise specified.

• Test Tape

Record/Playback Head Azimuth Adjustment

Note: Perform this adjustments for both decks

Procedure:

1. Mode: Playback (FWD)

set

MAIN board

CN301

(L-CH)

(R-CH)

MAIN board

CN301

(GND)

–

level meter

test tape

P-4-A100

(10 kHz, –10 dB)

SECTION 5

MECHANICAL ADJUSTMENTS

Precaution

1. Clean the following parts with a denatured alcohol-moistened

swab:

record/playback heads pinch rollers

erase head rubber belts

capstan idlers

2. Demagnetize the record/playback head with a head demagne-

tizer.

3. Do not use a magnetized screwdriver for the adjustments.

4. After the adjustments, apply suitable locking compound to the

parts adjusted.

5. The adjustments should be performed with the rated power

supply voltage unless otherwise noted.

Torque Measurement

Mode Torque meter Meter reading

FWD CQ-102C

31 to 71 g • cm

(0.43 – 0.98 oz • inch)

FWD

CQ-102C

2 to 6 g • cm

back tension (0.03 – 0.08 oz • inch)

REV CQ-102RC

31 to 71 g • cm

(0.43 – 0.98 oz • inch)

REV

CQ-102RC

2 to 6 g • cm

back tension (0.03 – 0.08 oz • inch)

FF/REW CQ-201B

71 to 143 g • cm

(0.99 – 1.99 oz • inch)

FWD tension CQ-403A

100 g or more

(3.53 oz or more)

REV tension CQ-403R

100 g or more

(3.53 oz or more)

– 14 –

2. Turn the adjustment screw and check output peaks. If the peaks

do not match for L-CH and R-CH, turn the adjustment screw

so that outputs match within 1dB of peak.

3. Mode: Playback (FWD)

4. Repeat setps 1 to 3 in playback (REV) mode.

5. After the adjustments, apply suitable locking compound to the

pats adjusted.

Adjustment Location:Playback Head (Deck A).

Record/Playback/Erase Head (Deck B).

Tape Speed Adjustment DECK B

Note: Start the Tape Speed adjustment as below after setting to the test

mode.

In the test mode, the tape speed is high during pressing the

[HI-DUB] button.

Procedure:

1. Turn the power switch on.

2. Press the p button, [ENTER/NEXT] button and [DISC3] b utton

simultaneously.

(The “VOLUME” on the fluorescent indicator tube will blink

while in the test mode.)

To exit from the test mode, press the I/u button.

Mode: Playback

1. Insert the WS-48B into the deck B.

2. Press the · button on the deck B.

3. Press the [HI-DUB] button in playback mode.

Then at HIGH speed mode.

4. Adjust RV1001 on the LEAF SW board do that frequency

counter reads 6,000 ± 180 Hz.

5. Press the [HI-DUB] button.

Then back to NORMAL speed mode.

6. Adjust RV1002 on the LEAF SW board so that frequency

counter reads 3,000 ± 90 Hz.

Adjustment Location: LEAF SW board

Sample value of Wow and Flutter: 0.3% or less W.RMS (JIS)

(WS-48B)

Playback level Adjustment DECK A DECK B

Procedure:

Mode: Playback

Deck A is RV311 (L-CH) and RV411 (R-CH), Deck B is RV301

(L-CH) and RV401 (R-CH) so that adjustment within adjustment

level as follows.

Adjustment Level:

CN301 PB level: 301.5 to 338.3 mV (–8.2 to –7.2 dB) level

difference between the channels: within ± 0.5 dB

Adjustment Location: AUDIO board

Screw

position

L-CH

peak

within

1dB

Output

level

L-CH

peak

R-CH

peak

within

1dB

Screw

position

R-CH

peak

set

test tape

P-4-A100

(10 kHz, –10 dB)

(pin

: R-CH)

oscilloscope

waveform of oscilloscope

in phase 45

135

180

good

wrong

(pin

: GND)

(pin

: L-CH)

MAIN board

CN301

–

set

test tape

WS-48B

(3 kHz, 0 dB)

MAIN board

CN301 (Pin

: L-CH)

(

: R-CH

)

frequency counter

–

set

test tape

P-4-L300

(315 Hz, 0 dB)

MAIN board

CN301 (Pin

: L-CH)

(Pin

: R-CH)

level meter

forward

reverse

– 15 –

REC Bias Adjustment DECK B

Procedure:

INTRODUCTION

When set to the test mode performed in T ape Speed Adjustment,

when the tape is rewound after recording, the “REC memory mode”

which rewinds only the recorded portion and playback is set.

This “REC memory mode” is convenient for performing this ad-

justment. During recording, the input signal FUNCTION will au-

tomatically switch to VIDEO.

(After recording, press the – 0 button without stopping will

return to the position where recording was started.)

1. Press [FUNCTION] button to select VIDEO. (This step is not

necessary if the above test mode has already been set.)

2. Insert a tape into deck B.

3. After press [REC] button, press P button, then recording

start.

4. Mode: Record

5. Mode: Playback

6. Confirm playback the signal recorded in step 3 become ad-

justable level as follows.

If these levels do not adjustable level, adjustment the RV341

(L-CH) and RV441 (R-CH) on the AUDIO board to repeat

steps 4 and 5.

Adjustable level: Playback output of 315 Hz to playback output

of 10 kHz: ± 1.0 dB

Adjustment Location: AUDIO board

REC Level Adjustment DECK B

Procedure:

INTRODUCTION

When set to the test mode performed in T ape Speed Adjustment,

when the tape is rewound after recording, the “REC memory mode”

which rewinds only the recorded portion and playback is set.

This “REC memory mode” is convenient for performing this ad-

justment. During recording, the input signal FUNCTION will au-

tomatically switch to VIDEO.

(After recording, press the – 0 button without stopping will

return to the position where recording was started.)

1. Press [FUNCTION] button to select VIDEO. (This step is not

necessary if the above test mode has already been set.)

2. Insert a tape into deck B.

3. After press [REC] button, press P button, then recording

start.

4. Mode: Record

5. Mode: Playback

6. Confirm playback the signal recorded in step 3 become ad-

justable level as follows.

If these levels do not adjustable level, adjustment the RV301

(L-CH) and R V351 (R-CH) on the MAIN board to repeat steps

4 and 5.

Adjustable level:

CN301 PB level: 47.2 to 53.0 mV (–24.3 to –23.3 dB)

Adjustment Location: MAIN board

Adjustment Location:

[MAIN BOARD] (Component Side)

[AUDIO BOARD] (Component Side)

[LEAF SW BOARD] (Component Side)

attenuator

set

MD/VIDEO (AUDIO) IN

1) 315 Hz

2) 10 kHz

50 mV (–23.8 dB)







600

Ω

blank tape

CN-123

AF OSC

–

set

recorded

portion

MAIN board

CN301 (Pin

: L-CH)

(Pin

: R-CH)

level meter

set

MD/VIDEO (AUDIO) IN

315 Hz, 50 mV (–23.8 dB)

blank tape

CS-123

600

Ω

attenuator

AF OSC

–

set

recorded

portion

MAIN board

CN301 (Pin

: L-CH)

(Pin

: R-CH)

level meter

REC LEVEL

RV301

RV351

CN106

CN301

CN107











RV401

RV301

RV341

RV311

RV411

IC602

CN601













RV441

PB LEVEL

– DECK B –

REC BIAS







PB LEVEL

– DECK A –

TAPE SPEED

RV1002

RV1001

(NORMAL) (HIGH)

CN1001











– 16 –

TUNER SECTION 0 dB=1 µV

(East European, CIS models only)

Note: As a front-end (FE1) is difficult to repair if faulty, replace it with

new one.

MW Section Adjustment

Note: FM Tuned Level Adjustment should be performed after this MW

Tuned Level Adjustment.

Setting:

MW Tuned Level Adjustment

Band: MW

Procedure:

1. Set the output of SSG so that the input level of the set be-

comes 55 dB.

2. Tune the set to 1,050 kHz.

3. Adjust R V41 to the point (moment) when the TUNED indica-

tor will change from going off to going on.

Adjustment Location : TCB board

FM Section Adjustment

Note: This adjustment should be performed after the MW Tuned Level

Adjustment due to the same adjustment element.

Setting:

FM Tuned Level Adjustment

Band: FM

Procedure:

1. Supply a 25 dBµ 98 MHz signal from the ANTENNA termi-

nal.

2. Tune the set to 98 MHz.

3. If the TUNED indicator does not light, adjust RV42 to the

point (moment) when the TUNED indicator will change from

going off to going on.

Adjustment Location: TCB board

Carrier frequency : 98 MHz

Modulation : AUDIO 1 kHz, 75 kHz

deviation (100%)

FM ANTENNA termina

(TM1) (75

Ω

open)

Ω

coaxial

set

FM RF stereo signal

generator

AM RF SSG

loop antenna

set

loop antenna

(Supplied accessories)

60 cm

MW ANTENNA

terminal (TM1)

30% amplitude

modulation by

400 Hz signal

Field strength dB (

V/m) =SSG output level dB (

V/m) –26 dB.

– 17 –

FM Polar Adjustment

Connection 1:

Connection 2:

Adjustment Location :

[TCB BOARD] (Component Side)

Procedure :

1. Set the modulation of FM RF SSG to AUDIO 1 kHz, 10 kHz

deviation according to “Connection 1”.

2. Tune the set to 69 MHz.

3. Adjust the RV1702 so that the reading of frequency counter

connected to TP1702 becomes within 31.25 kHz ± 0.05 kHz.

(VCO Adjustment)

4. Then record the reading of the level meter connected to TP1701

5. Set the modulation of FM RF SSG to AUDIO 31.25 kHz, 10

kHz deviation according to “Connection 2”.

6. Tune the set to 69 MHz.

7. Set the CT1701 to be mechanical center.

8. Adjust the L1701 so that the reading of the level meter con-

nected to TP1701 become maximum.

Then adjust the CT1701 so that the reading of the level meter

connected to TP1701 becomes maximum. (SUB CARRIER

PEAK Adjustment)

9. Adjust the RV1701 so that the level at the moment becomes

14dB higher value than the level recorded in step 4. (SUB CAR-

RIER LEVEL Adjustment)

[TCB BOARD] (Conductor Side)

FM ANTENNA termina

(75

Ω

)

Ω

coaxial

set

FM RF SSG

Carrier frequency: 69 MHz

Output level : 1mV (60dB

) (at 75

Ω

open)

Modulation : AUDIO 1 kHz, 10kHz deviation

FM ANTENNA terminal

(75

Ω

)

Ω

coaxial

set

FM RF SSG

AF OSC

Audio 31.25 kHz

external

modulation

terminal

Carrier frequency: 69 MHz

Output level : 1mV (60 dB

) (at 75

Ω

open)

Modulation : AUDIO 31.25 kHz, 10 kHz deviation

(

EXTERNAL MODULATION

)

TM1

IFT41

IC41

CN1

RV42

FM T uned Level

Adjustment

RV41

MW T uned Level

Adjustment

L1701

Sub Carrier Pea

Adjustment

RV1701

Sub Carrier Level

Adjustment

CT1701

Sub Carrier Peak

Adjustment

RV1702

VCO Adjustment

frequency

counter

–

level meter

Q1701

Q1702

Q1703

TP1701

(FILTER)

TP1702

(VCO)

– 18 –

Note:

1. CD Block is basically designed to operate without adjustment. There-

fore, check each item in order given.

2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated.

3. Use an oscilloscope with more than 10 MΩ impedance.

4. Clean the object lens by an applicator with neutral detergent when the

signal level is low than specified value with the following checks.

S Curve Check

Procedure:

1. Connect oscilloscope to test point TP (FEO).

2. Connect between test point TP (FOK) and GND by lead wire.

3. Turn Power switch on.

4. Put disc (YEDS-18) in and turned Power switch on again and

actuate the focus search. (Actuate the focus search when disc

table is moving in and out.)

5. Check the oscilloscope waveform (S-curve) is symmetrical

between A and B. And confirm peak to peak level within 3±1

Vp-p.

S-curve waveform

6. After check, remove the lead wire connected in step 2.

Note: • T ry to measure se v eral times to make sure than the ratio of A : B

or B : A is more than 10 : 7.

• Take sweep time as long as possible and light up the brightness

to obtain best waveform.

RF Level Check

Procedure:

1. Connect oscilloscope to test point TP (RF) on BD board.

2. Turned Power switch on.

3. Put disc (YEDS-18) in and playback.

4. Confirm that oscilloscope waveform is clear and check RF sig-

nal level is correct or not.

Note: Clear RF signal waveform means that the shape “≈” can be clearly

distinguished at the center of the waveform.

• FR signal

E-F Balance (Traverse) check

(Without remote commander)

Procedure:

1. Connect oscilloscope to test point TP (TEO) on BD board.

2. Turned Power switch on. Press [FUNCTION] button to select

CD.

3. Put disc (YEDS-18) in to play the number five track.

4. Press the p button, [ENTER/NEXT] button and ^ but-

ton simultaneously several times to fluorescent indicator tube

display “SHUFFLE” is blink. (The sledding servo is turned

OFF.)

5. Check the level B of the oscilloscope’s waveform and the A

(DC voltage) of the center of the Traverse waveform.

Confirm the following:

Traverse waveform

6. Press the p button, [ENTER/NEXT] button and ^ button

simultaneously several times to fluorescent indicator tube dis-

play “SHUFFLE” is OFF. (The sleding servo is turned ON.)

Confirm the C (DC voltage) is almost equal to the A (DC v olt-

age) is step 5.

Traverse waveform

CD SECTION

× 100 = less than ±7 (%)

symmetry

within 3

1 Vp-p

–

BD board

TP (RF)

TP (VC)

oscilloscope

VOLT/DIV: 200 m

TIME/DIV: 500 ns

level:

1.3

0.3 Vp-p

–

BD board

TP (FEO)

TP (VC)

oscilloscope

–

BD board

TP (TEO)

TP (VC)

oscilloscope

A (DC

voltage)

0 V

level: 500

100 mVp-p

symmetry

Center of the waveform

C (DC

voltage

)

0 V

Sled servo ONSled servo OFF

– 19 –

Adjustment Location:

[BD BOARD] (Conductor Side)

IC103

CNU102

IC101

I02

FOK

FEO

TEO

GND

CNU101

– 20 –

SECTION 7

DIAGRAMS

• Circuit Boards Location

TRANSFORMER board

CD-SW board

PANEL board

HP board

AMP (L) board

MAIN board

TCB board

(East European, CIS)

TUNER (FM / AM)

(E, Saudi Arabia, Singapore, Malaysia)

AMP (R) board

SENSOR board

MOTOR (TURN) board

MOTOR (SLIDE) board

BD board

LEAF SW board

AUDIO board

CONNECTOR board

HCD-GRX9000/RX900

– 21 – – 22 –

7-1. BLOCK DIAGRAM – TUNER Section (East European, CIS models only) –

TM1

ANTENNA

FM 75Ω

COAXIAL

ANT IN

ST +10V

B+ SWITCH

FM CIRCUIT B+

FE1

FM FRONT-END

IF OUT

CF1

10.7MHz

FM IF AMP

Q1 – 4

CF3

10.7MHz

FM-IN

REG

FM/AM IF AMP,

AM RF AMP/MIX/OSC,

FM/AM DET, MPX

IC41

FM/AM PLL

IC21

FM TUNED

LEVEL

RV42

X42

450kHz

D41

D42

D43

FM SD

AM/FM

VCO-STOP

IF-BUFF MUTE

AM-SD

ADJ

AM TUNED

LEVEL

RV41

RV1702

VCO

TP1702, RV1702

SUB CARRIER

LEVEL

RV1701

SUB CARRIER

PEAK

CT1701, L1701, TP1701

SWITCHING

Q1702

SWITCHING

Q1703

SWITCHING

Q1701

AM IF

IFT41

DET

OUT

FM DET

STEREO

TUNED

X41

10.7MHz

MUTE

STEREO

STEREO, TUNED, ST-MUTE,

ST-CE, ST-DOUT, ST-CLK, ST-DIN

TUNED

FM DET-OUT

MPX

OUT L

OUT R

LPF41

L.P.F.

AMP

IN L

AMP

OUT L

ST-L

ST-CE

ST-DOUT

ST-CLK

ST-DIN

X21

4.5MHz

AM-MIX

LW SWITCH

FE2

MW/LW FRONT-END

Q11

SWITCH

Q12

SWITCH

Q14

LW SWITCH

Q13

SWITCH

AM-OSC

AM-RF IN

VT1

AM OSC

VCO STOP

FM/AM IF

IF REQ

XIN

XOUT

POLAR DECODER

IC1701

SUB IN

L OUT

R OUT

MON

TP1702

TP1701

L1701

CT1701

R-CH

VCO

14 15 13

9 11

FM LOW

26 25

VCO STOP

ST IND

D1704

D1701

D1702

D1703

(Page 27)

• SIGNAL PATH

: FM

: AM (MW/LW)

POLAR /PILOT SWITCH

IC1702

HCD-GRX9000/RX900

– 23 –

– 24 –

7-2. BLOCK DIAGRAM – CD Section –

XROF

I-V AMP

DETECTOR

OUT2A

OUT2B

SLO

OUT3B

OUT3A

OUT4A

OUT4B

SPINDLE

MOTOR DRIVE

M101

(SPINDLE)

SLED

MOTOR DRIVE

M102

(SLED)

FOCUS

COIL DRIVE

BUFFER

OUT1A

OUT1B

IN3B

IN4A

MUTE

IN2A

IN1B

SLP

FOCUS/TRACKING COIL DRIVE,

SPINDLE/SLED MOTOR DRIVE

IC102

SLED

AMP

LASER DIODE

OPTICAL PICK-UP

(KSS-213D/Q-NP)

2-AXIS

DEVICE

(FOCUS)

(TRACKING)

RF AMP,

FOCUS/TRACKING

SERVO

IC101 (1/2)

FOCUS OK

COMPARATOR

MIRR

AMP

DEFECT

AMP

FOCUS OK

AMP

IIL DATA REGISTER

4038

FILTER

FILO

PCO

CLTV

FILI

DIGITAL PLL

ASYMMETRY

CORRECTION

EFM

DEMODULATOR

SERIAL

INPUT

INTERFACE

OVER

SAMPLING

DIGITAL

FILTER

NOISE

SHAPER

PWM &

INTEGRATOR

BUFFER

ERROR

CORRECTOR

16K

RAM

SUB-CODE

PROCESSOR

SERVO AUTO SEQUENCER

DIGITAL CLV

100

LRCKI

BCKI

8 7

TBL-L

TBL-R

S101

(LIMIT)

MOTOR

DRIVE

DISC TRAY TURN MOTOR DRIVE

IC701

OUT1

OUT2

IN1

IN2

M701

(DISC TRAY TURN)

PD1

PD1 I-V AMP

RFO

ASYI

ASYO

FOK

DATO

CLKO

XLTO

SEIN

CNIN

SQ-DATA-IN

SQ-CLK (D-OUT ON/OFF)

SENS

CD-DATA

CD-CLK

XLT

SCOR

MON

MDP

MDS

LOCK

SQSO

SQCK

SENS

DATA

CLOK

XLAT

SCOR

SBSO

EXCK

SPOD

GFS

EMPH

WFCK

GTOP

X101

16.9344MHz

RFI

FOK

DATA

CLK

SENS1

SENS2

C.OUT

XLT

LOCK

XRST

PD2 I-V AMP

PD2

TTL

IIL

FEO

TEO

FEI

FEO

TAO

TEI

TTL

IIL

TTL

IIL

FOCUS

ERROR

AMP

SUMMING

AMP

TRACKING

ERROR

AMP

TRACKING PHASE

COMPENSATION

FOCUS PHASE

COMPENSATION

AUTOMATIC

POWER CONTROL

Q101

I-V

AMP

FE BIAS

XRST

XTAI

XTAO

C4M

CKO

PCMD

BCK

LRCK

C2PO

RFCK

WDCK

PCMDI

XRST

SLED SERVO

IC101 (2/2)

DIGITAL SIGNAL PROCESSOR,

CLV SERVO PROCESSOR,

DIGITAL FILTER, D/A CONVERTER

IC103

SYSTEM CONTROLLER

IC501 (1/3)

ON : When the optical pick-up

is inner position.

• SIGNAL PATH

(Page 27)

: CD PLAY

: DIGITAL OUT

CPU INTERFACE

D/A

INTERFACE

CLOCK

GENERATOR

OPTICAL

TRANSCEIVER

IC381

LEVEL SHIFT

Q701

DISC SENSOR

IC703

IC381

CD DIGITAL

OUT

OPTICAL

TIMING

LOGIC

DOUT

EMPHI

AOUT1

AOUT2

LOUT1

LOUT2

R-CH

AIN1

AIN2

CD-L

SENS2

DISC TRAY SENSOR

IC702

ROTARY

ENCODER

S811

DISC-SENS

OUT-OPEN

S801

(OPEN/CLOSE DET)

ENC1

ENC2

ENC3

TBL-SENS

TRACKING

COIL DRIVE

OUT

OP+,

OP–

22, 23

INTERNAL BUS

DIGITAL

OUT

84 95

OPEN

LOAD-OUT

LOAD-IN

MOTOR

DRIVE

DISC TRAY SLIDE MOTOR DRIVE

IC801

OUT1

OUT2

FIN

RIN

M801

(DISC TRAY SLIDE)

HCD-GRX9000/RX900

7-3. BLOCK DIAGRAM – TAPE DECK Section –

PB EQ AMP

(DECK A)

IC611

PB LEVEL (L)

(DECK A)

REC-L

PB-L

CAPSTAN MOTOR

CONTROL SWITCH

Q1001

CAPSTAN

MOTOR DRIVE

Q336 – 339

(Page 27)

(Page 28)

L-CH

R-CH R-CH

HP101

(PLAYBACK)

PB EQ AMP

(DECK B)

IC601

L-CH

R-CH R-CH

R-CH

HRPE101 (1/2)

(RECORD/PLAYBACK)

ALC

REC

EQ AMP

AMS

CIRCUIT

DOLBY NR

AMP

CIRCUIT

BIAS

CONTROL

CIRCUIT

DOLBY PASS

R-CH

L.P.F.

BUFFER

Q335

(CAPSTAN)

HRPE101 (2/2)

(ERASE)

BIAS OSC

T621

B+

(A+7V)

R-CH

35 34

22 23

2517

90 89

RV311

PB LEVEL (L)

(DECK B)

RV301

TAPE SPEED

(NORMAL)

RV1002

TAPE SPEED

(HIGH)

RV1001

REC LEVEL (L)

(DECK B)

RV301

REC BIAS (R)

(DECK B)

RV441

REC BIAS (L)

(DECK B)

BIAS OSC

Q621, 622

REC BIAS

SWITCH

Q623

ROTATION

DETECT SENSOR

(DECK A)

IC1001

RV341

BIAS

TRAP

C331, L331

REC/PB SWITCHING

IC602

SYSTEM CONTROLLER

IC501 (2/3)

DECK PROCESS

DECK A/B SELECT, PB/REC EQ AMP,

DOLBY NR AMP, ALC, AMS

IC301

AIN (L)

BIN (L)

MAOUT

PB OUT (L)

EQ OUT

(L)

MSIN

MSOUT

BIAS ON/OFF

120

BIAS (N)

BIAS (C)

BIAS (M)

S1004

A 120/70

B NORM/CROM

ALC ON/OFF

PB A/B

NORM/HIGH

NR ON/OFF

RM ON/OFF

REC/PB/PASS

LM ON/OFF

(DECK A 120/70)

S1003

S1001

(DECK A PLAY)

S1002

(DECK B PLAY)

(DECK A HALF)

S1008

(DECK B 120/70)

REC OUT (L)

ROUT (L)

RIN (L)

ALC (L)

EQ IN (L)

ALC

IN (L)

AMS-IN

A-SHUT

ROTATION

DETECT SENSOR

(DECK B)

IC1002

B-SHUT

TRIGGER

PLUNGER DRIVE

(DECK A)

Q333, 334

A-TRG

TC-MUTE

R/P-PASS

NR-ON/OFF

REC-MUTE

BIAS

EQ-H/N

PB-A/B

ALC-ON/OFF

TC-RELAY

A-PLAY-SW

B-PLAY-SW

A-HALF

S1006

(DECK B HALF)

S1009

(DECK B REC)

S1005

(DECK A REC)

B-HALF

SL1

TRIGGER PLUNGER

DECK A

TRIGGER

PLUNGER DRIVE

(DECK B)

Q331, 332

B-TRG

CAP-M-H/L

CAPM-CNT1P

CAPSTAN

MOTOR DRIVE

Q340 – 343

CAPM-CNT1M

CAPM-CNT2M

SL2

TRIGGER PLUNGER

DECK B

95 96

• SIGNAL PATH

: PLAYBACK (DECK A)

: PLAYBACK (DECK B)

: RECORD

– 25 –

– 26 –

HCD-GRX9000/RX900

7-4. BLOCK DIAGRAM – MAIN Section (1/2) –

MIC LEVEL

DBFB CONTROL

SWITCH

Q111

SPEANA

MIXING AMP

IC102

RESET SIGNAL

GENERATOR

IC502

CD-L

(Page 24)

(Page 26)

(Page 29)

PB-L

ST-L

(Page 22)

R-CH

FM/AM TUNER UNIT

VOLUME

CONTROL

CPU

INTERFACE

BASS BOOST

CONTROL

CIRCUIT

INPUT

SELECT

SOUND

CONTROL

CIRCUIT

GRAPHIC

EQUALIZER

CONTROL

CIRCUIT

R-CH

FEED BACK SWITCH

Q112

R-CH

COMMAND

F OUT2

BUF

OUT2

VOL

IN2

R-CH

RV750

MIC AMP

IC750 (2/2)

MUTING

Q113

LINE AMP

IC191

RESET

SWITCH

Q501

GRAPHIC EQUALIZER CONTROL,

ELECTRICAL VOLUME

IC101

IN B2

IN C2

60 5

IN A2

IN D2

KEY IN2

KEY IN1

33 32

KEY OUT

DATA

CLOCK

LATCH

52 51

M62442-DATA

M62442-CLK

M62442-LATCH

X501

5MHz

X502

32.768kHz

XT2

XT1

BB B2,

BB A2

MIC IN

VOL OUT2

REC

REC-L

(Page 31)

(Page 32)

SPEANA

DATA, CLK

POWER

CD-POWER

REC

• SIGNAL PATH

: CD PLAY

: TAPE PLAY

: RECORD

: TUNER (FM/AM)

: MIC IN

+5V

MUTING

Q191

R-CH

MUTING CONTROL

SWITCH

Q571, 572

100

J101 (2/2)

MD/VIDEO

(AUDIO) OUT

J191

SUPER WOOFER

J101 (1/2)

J751

MIX MIC

MD/VIDEO (AUDIO) IN

ST-L

FM ANT

AM ANT

ST-R

ST-MUTE

STEREO

TUNED

ST-DIN

ST-DOUT

ST-CLK

ST-CE

ANTENNA

FM 75Ω

38, 39

DBFB-H/L

CD-POWER

POWER

IIC-CLK

IIC-DATA

CLK

DATA

ST-CE

ST-CLK

ST-DIN

ST-DOUT

TUNED

STEREO

ST-MUTE

ST-CE

ST-CLK

ST-DIN

ST-DOUT

TUNED

STEREO

ST-MUTE

(HCD-RX900)

STK-MUTE

LINE-MUTE

F-RELAY

AC-CUT

RESET

(Page 29)

STK-MUTE

FEED-BACK

L-CH

(Page 30)

RELAY

SYSTEM CONTROLLER

IC501 (3/3)

5655

46 5

(HCD-GRX9000)

MIC AMP

IC750 (1/2)

– 27 –

– 28 –

HCD-GRX9000/RX900

7-5. BLOCK DIAGRAM – MAIN Section (2/2) –

– 29 –

– 30 –

(Page 28)

L-CH

POWER AMP

IC821 (1/2)

OVER LOAD

DETECT

Q801, 851

OVER LOAD

DETECT SWITCH

Q432, 437

RELAY DRIVE

Q431

PROTECTOR

Q435, 436

FAN MOTOR

DRIVE

Q401, 402

R-CH

110

-1

-2

–

POWER AMP

IC821 (2/2)

STANDBY

SWITCH

Q575

J421

PHONES

TM401

SPEAKER

IMPEDANCE

USE 8 – 16Ω

D811

D141

L-CH (+)

L-CH (–)

R-CH (+)

R-CH (–)

RY401

RY402

M401

(FAN)

-1

-2

POWER AMP

IC801 (1/2)

OVER LOAD

DETECT

Q821, 871

D831

D404

D409

D403

D408

110

POWER AMP

IC801 (2/2)

(Page 28)

FEED BACK

(Page 28)

STK-MUTE

(Page 28)

RELAY

• SIGNAL PATH

: TUNER (FM/AM)

DC DETECT

SWITCH

Q433, 434

TEMPERATURE

DETECT SWITCH

Q891, 892

THP891

HCD-GRX9000/RX900

7-6. BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –

– 31 –

– 32 –

REGULATOR

CONTROL SWITCH

Q903

D914

D501, 502

D507

POWER

(Page 27)

CD-POWER

(Page 27)

D405 – 407

D+5V

AUDIO D+5V

B+

SWITCH

Q905, 906

–30V

REGULATOR

Q910

–30V

FL DRIVER (IC601)

CAPSTAN MOTOR DRIVE CIRCUIT,

TRIGGER PLUNGER DRIVE CIRCUIT B+

RECT

D909, 910

+12V

REGULATOR

IC903

+10V

REGULATOR

Q909

–7V

REGULATOR

Q914, 951, 952

+7V

REGULATOR

Q901, 902, 913

+10V

(FM/AM TUNER CIRCUIT B+)

+7V

REGULATOR

IC901

+7V

(CD M+7V)

+5V

REGULATOR

IC902

CD MECHANISM DECK

SECTION B+

B+

SWITCH

Q907, 908

SYSTEM CONTROLLER

(IC501) B+

RECT

D907, 908

RECT

D901 – 904

RECT

D800

VOLTAGE

SELECT SWITCH

S11

VOLTAGE

SELECTOR

S11

AC IN

B+

POWER AMP

(IC801, 821)

POWER TRANSFORMER

T11

B–

+7V

TC, PANEL, AUDIO

–7V

FAN MOTOR B–

VF1

FLUORESCENT INDICATOR TUBE

(FL601)

VF2

REMOTE CONTROL

RECEIVER

IC602

GRID DRIVE

Q621

FLUORESCENT INDICATOR TUBE DRIVE,

LED DRIVE, KEY CONTROL

IC601

FLUORESCENT

INDICATOR TUBE

FL601

BAND-PASS FILTER

IC603

Q603

D+5V

SPEANA-1

SPEANA-3

SPEANA-4

GRID DRIVE

Q620

L+R

LINE IN

SIRCS

ROTARY

ENCODER

S601

ROTARY

ENCODER

S602

JOG-A

VOL-A

JOG-B

VOL-B

X-OUT

X-IN

B+ SWITCH

Q601, 602

LED DRIVE

Q604, 607 – 610,

Q613 – 615, 618

KEY-0 – KEY-3

SPEANA-2

F01

F03

F04

L+R

F02

GR1

(Page 28)

(Page 27)

DATA, CLK

(Page 27)

D610, 612, 620 – 625,

D631 – 633, 651, 652

D613 – 618

SPEANA

L.SEL

GR13

SDA

SCL

DATA

CLK

RESET

SPEANA RESET

RST

26 – 29

SEG1 – SEG24

54 – 69, 72 – 70, 77 – 73

GR2 – GR12

42 – 52

LED1, LED5 – LED8,

LED12 – LED15

79, 3 – 6, 15 – 18

LED9, LED10

11, 12

S601

(JOG DIAL)

S604 – 625, 631 – 642,

S656 – 659

S602

= ↔ +

DJ MIX

VOLUME

X601

8MHz

(

Exce

t East Euro

ean, CIS models

)

(East European, CIS models)

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