Sony CDL-1100 Service manual

SERVICE MANUAL

For Technical Service

TABLE OF CONTENTS

CDL1100

6. CDM-47

6-1. GENERAL ......................................................................6-1

6-2. Tools and Measuring Instruments ......................................6-3

6-2-1. General and Special Tools List .............................. 6-3

6-2-1-1. General Tools................................................6-3

6-2-1-2. Special Tools.................................................6-3

6-2-1-3. Test Disc .......................................................6-3

6-2-1-4. Measuring Equipments .................................6-3

6-2-1-5. Software........................................................6-3

6-2-1-6. Expendable and Chemical Supplies .............6-3

6-2-2. Setting Single-Operation of CDM-47

Mechanism Block..................................................6-4

6-2-3. System Configration..............................................6-6

6-2-3-1. Set up PS/VP System....................................6-6

6-2-3-2. System Configuration ...................................6-6

6-3. Trouble Shooting ................................................................ 6-8

6-3-1. Before Trouble Shooting .......................................6-8

6-3-2. Flowchart for Trouble Shooting ............................6-8

6-3-3. Procedure of ATP Test...........................................6-9

6-3-3-1. Pre-setting.....................................................6-9

6-3-3-2. Test Procedure ............................................6-10

6-3-4. Drive Function Check.......................................... 6-12

6-3-4-1. Pre-Setting for Test Mode Operation..........6-12

6-3-4-2. Flowchart ....................................................6-13

6-3-4-3. Test Command List..................................... 6-16

6-3-4-4. Spindle Motor .............................................6-16

6-3-4-5. Sled Gear Train...........................................6-16

6-3-4-6. 2-Axis Actuator ..........................................6-16

6-3-4-7. Focusing (Focus Bias) ................................6-16

6-3-4-8. Laser Power ................................................6-16

6-3-4-9. Chucking Mechanism .................................6-17

6-3-4-10. Sled Motor..................................................6-17

6-3-4-11. Spindle Motor Drive ...................................6-17

6-3-4-12. E-F Balance ................................................6-18

6-3-4-13. RF Level .....................................................6-18

6-3-5. Down Load Program ........................................... 6-20

7. DIAGRAMS

7-1. Circuit Boards Location.................................................... 7-1

7-2. IC Pin Function ................................................................. 7-2

7-3. Block Diagrams .............................................................. 7-21

7-4. Frame Schematic Diagram.............................................. 7-29

7-5. Printed Wiring Board/Schematic Diagram ..................... 7-33

Main Section ................................................................... 7-33

Power Supply Section ..................................................... 7-40

Carrier, Mail Box Section ............................................... 7-46

Panel Section................................................................... 7-52

CD-ROM Drive Section .................................................. 7-55

7-6. IC Block Diagrams ......................................................... 7-67

7-6-1. Main Section ...................................................... 7-67

7-6-2. Power Supply Section ........................................ 7-69

7-6-3. CD-ROM Drive Section ..................................... 7-70

8. EXPLODED VIEWS

8-1. Case Section ................................................................... 8-1

8-2. Front Panel Assy Section................................................ 8-2

8-3. Chassis Section............................................................... 8-3

8-4. Back Panel Section ......................................................... 8-4

8-5. Carrier Assy Section 1.................................................... 8-5

8-6. Carrier Assy Section 2.................................................... 8-6

8-7. Carrier Assy Section 3.................................................... 8-7

8-8. Disc Case Assy Section .................................................. 8-8

8-9. Mail Box Assy Section................................................... 8-9

8-10. CDM-47 Section........................................................... 8-10

8-11. BU Holder Section ....................................................... 8-11

9. ELECTRICAL PARTS LIST

— 1 —

6-1. GENERAL

SECTION 6

CDM-47

Note:Note on repairing the Base Unit Ass’y. When operating or repairing the unit, grounding is required to prevent damage caused by static electricity and is as follows:

1. Grounding for the human body Besure to wear a wrist-strap for grounding (with impedance lower

than 10

Ω) whose other end is ground. The strap works to drain

away the static electricity build-up on the human body.

Base Unit Ass’y

2. Grounding f or the work table Be sure to lay a conductive sheet (with impedance lower than 10

Ω)

on the table, sure as a sheet of copper, which is ground.

3. As static electricity build-up on clothes does not drain away, be careful not to let your clothes touch the unit.

Wrist-Strap for grounding

Ω

Conductive sheet or copper plate

4. After connection to the MA Mounted Board, to open the LD short land, remove the soldering quickly with a soldering iron whose insulation resistance is larger than 10MΩ.

LD Short Land

6-1

5. Do not apply excessive force to the when wiping. Optical device is structured by very sensitive mechanism parts.The lens holding mechanism may have damage if apply excessive force.

Wipe the surface of an object lens with a spiral from the center to outside. (Refer to Fig A)

Cotton Swab

Optical Pick-up Cover

6-2

6-2. TOOLS AND MEASURING INSTRUMENTS

6-2-1. GENERAL AND SPECIAL TOOLS LIST

The tools and measuring instruments for performing maintenance on the CDM-47 series are listed below.

6-2-1-1. General Tools

SONY Parts No.

⊕Driver 2mm (7-700-749-01) ⊕Driver 2.6mm (7-700-749-03)

Tweezers (7-700-753-02) Round Nose Plier (7-700-757-01) Cutter (7-700-758-02) Soldering Iron (20W) Desoldering Metal Braid (Solder Wick) Multi Meter (DRM)

6-2-1-2. Special Tools

IBM PS/VP System

PS/VP and the monitor (640kbyte RAM, 3.5" FDD, HDD, V ideo RAM-CGA or Higher, DOS Ver. 6.2 or later) Adaptec SCSI board AHA-1520B or AHA-2940 DC Power Supply (1-413-362-12) (If no power supply unit is available:Supply power from the CDL1100 unit.)

Power cord (1-559-370-11) SCSI 50P Flat Cable (J-902-900-0A) AU-CN Board (A-8080-815-A) BLER Counter For TC940X (J-907-564-0A) CDL1100 (CDM-47) CONTROLLER (J-2501-141-A) Active Speaker

6-2-1-3. T est Disc

SONY Test Disc (YEDS-18) (3-702-101-01) SONY Test Disc (TGRS-21) SONY Test Disc (YEHS-4) (3-702-548-01)

6-2-1-4. Measuring Equipments

Osilloscope Dual Trace 20MHz (probe x10) DC Volt Meter (min. 10mA)

6-2-1-5. Software

ATP415 System Disc (OR-D019) (8-980-308-19)

6-2-1-6. Expendable and Chemical Supplies

Cotton Swab (200 pieces) (7-740-900-65) Lens Cleaning Liquid (J-250-100-0A) Molykote Grease (EM-30L) (4-918-645-01) Hanarl (SFL-9) (7-400-000-00)

6-3

6-2-2. Setting Single-Operation of CDM-47 Mechanism Block

Jig :

CDL-1100 (CDM-47) controller : J-2501-141-A Power supply unit : 1-413-362-12 (If no power supply units available : Supply power from the CDL1100 unit) CD test disc (YEDS-18) : 3-702-101-01

Connection Method :

If no power supply unit is available : Supply power from the CDL1100 unit. Connect the unit (CNJ202, CN56:MA-22 board) and controller.

CNJ202 enlargement

7 8

Connect this part to the controller

CNJ202 (MA-C22 board)

Pin No.

1 2 3 4 5 6 7

Signal Name

Ground Ground Ground Ground Ground Ground Ground

Controller

Jig Wire Color

White

— — — — — —

CN56 (CN board)

Pin No.

9 10 11 12 13 14

Signal Name

Parity

TEST

CDM-47

ID0 ID1 ID2

P/A

Jig Wire Color

Brown

Black

Yellow

Blue

— —

Red

Supplying power from the CDL1100 unit

CDL1100

CDM-47

CNJ201

[Disc Chucking/Unchucking Method]

1. Connect the controller.

2. Load a disc directly into the drive with your hand.

3. Press the EJECT button of the controller. The LEDs will go off in the order of red and green. When both LEDs go off, it means that both discs have been chucked.

4. To eject the disc, press the EJECT button again.

5. The LEDs light up in the order of green and red. When both LEDs light up, it means that the discs have been unchucked.

NOTE :

If the LEDs remain lit or off even when chucking/unchucking is performed, S51 (red:UNCHUCK), S52 (green:CHUCK) of the CDM-47 LDSW board may be improperly connected.

[Single-Operation of CDM-47]

1. Chuck the disc beforehand.

2. Set the COMMAND SW of the controller to the test mode.

ID2HID1LID0HPARITY

3. While pressing the TEST button of the controller, turn on the power of the CDL1100 or power supply unit.

4. After about 1 second later, release the TEST button.

5. This sets the test mode. To enter the other mode, refer to the following table, set the dip switch, and press the TEST button.

6-4

to CNJ202 to CN56

White

to CNJ202

Red

ID2

COMMAND SW (SW1)

TEST (SW2)

Setting of Single-Operation Mode

Mode Test Mode

ID2HID1LID0HPARITY

Blue

ID1

Yellow

ID0

Black

PARITY

Brown

White

UNCHUCK (RED)

EJECT (SW3)

Gray

CHUCK (GREEN)

Command list of Single-Operation Mode

ID2

ID1

Mode Initialize x1 speed x4 speed x8 speed x12 (Partial CAV) speed Tracking servo OFF Tracking servo ON PlayAudio (23’47”) PlayAudio (5’00”) PlayAudio (55’00”)

L L L L L H L L H H

ID0

PARITY

L H L H L L H H L H

6-5

6-2-3. SYSTEM CONFIGURATION

Setting of SW and Configuration file.

6-2-3-1. Set up PS/VP System

a. Install the ANSI.SYS (De vice = ANSI. SYS) and ASPI 2 DOS.SYS

in Config. SYS. (Refer to Instruction Manual for more detail)

b. Set the jumpers on the Adaptec SCSI Interface board as follows.

(Refer to Instruction Manual for Adaptec SCSI board AHA-1520B or 2940 in detail)

6-2-3-2. System Configuration

PS/VP System

SCSI Interface board Adaptec AHA-1520B or 2940

AHA-1520B (for ISA BUS)… All of DIP SW (1 to 4) are OFF.… AHA-2940 (for PCI BUS)… No Jumper and SW setting on the board. Use default parameter for SSI Select configuration utility. It is not necessary to install the device driver when using on the windows ’95. It is necessary to install the device driver a t first line of config. sys when using on DOS.

c. Install the SCSI Interface board in the PS/VP System.

RCC-015H

ATP415 System Disc Firmware Program Disc

Power Code

SONY Test Disc (YEHS-4) (for ATP)

SONY Test Disc (TGRS-21) (for ATP)

Power Supply

AU-CN Mount (ATAPI)

CDL1100 (CDM-47) Controller

ATP/DOWNLOAD System

Terminator

Active Speaker

6-6

Power Cord

Power Supply

SONY Test Disc (YEDS-18)

CDL1100 (CDM-47) Controller

Function check

6-7

6-3. TROUBLE SHOO TING

This section describes trouble shooting methods. Section 6-3-2. shows the flowchart of the processing routine of the unit. Section 6-3-3. describes the ATP procedures. These sections define the detective parts under operating conditions.

6-3-1. BEFORE TROUBLE SHOOTING

The following procedures are recommended to verify if the drive is really faulty or not: a. Poor connection with the host system

(esp. GND-related connection, frame GND, etc.)

b. Incorrect operational procedure.

6-3-2. FLOWCHART FOR TROUBLE SHOOTING

START

c. Program error of host system d. No Interface Cable Terminator at the end of Data Bus e. Wrong Drive Number selection f. Wrong supply voltage g. Environmental conditions (where electrical noise easily jumps into

signal)

h. Influence of strong magnetic field.

(Refer to section 6-3-3.)

ATP

Pass

END

Fail

Optical Pick-up Cleaning

Perform drive

function check

(Refer to section 6-3-4.)

Fail

Part Replacement

Pass

6-8

6-3-3. PROCEDURE OF ATP TEST

6-3-3-1. Pre-setting

a. Connect the test drive to the PS/VP System. (Refer to Fig. 2-3-1.) b. Set the Jumpers on the Adaptec SCSI board. (Refer to Fig. 2-3-1.) c. Connect the test drive to the CDL1100 (CDM-47) CONTROL-

LER and set the COMMAND SW as below.

ID2HID1LID0LPARITY

d. Connect the test drive to the DC power supply. e. Turn on the power of PS/VP System. f. After loading the system, “C >” is displayed on the screen. Then,

insert A TP415 Disc.

Sony SCSI CD-ROM Failure Ver ification Test Ver. 1.00.02 [MAR. -04-1997] [ID:7]=ASW-1210 V 3.60 ADAPTEC AHA-1520ADAPTEC AHA-1520 ATP415.CFG X-XXX-XX-XX 00: Inquiry Check 01: TEST UNIT READY 02: TOC Read 03: Incremental Read 04: Spin Up/Down (X1) 05: Spin Up/Down (X4) 06: Spin Up/Down (MAX) 07: Full seek Read (X1) 08: 1/3 seek Read (X1) 09: Full seek Read (X4) 10: 1/3 seek Read (X4) 11: Full seek Read (MAX) 12: 1/3 seek Read (MAX) 13: Play Audio (De-TRCK) 14: Play Audio (E-Volume) 15: Play Audio (Play Mode) 16: Play Audio (X’Talk L->R) 17: Play Audio (X’Talk R->L) 18: Sub Code Read 19: Eject Test 20: Play Audio 8cm Disc

g. Chang e the directory in the drive A. (“A >” is displayed on the

screen.)

h. Type A T P 4 1 5 and hit Enter key. (After loading the test

program, Display 6-3-3-1. (a) shows up.)

i. While pressing the TEST button of the CDL1100 (CDM-47)

controller, turn on the DC power supply or CDL1100 power, and release the TEST button about 1 second later.

Drive Status Column

Hit any key to start or Esc to exit.

Display 6-3-3-1. (a)

6-9

6-3-3-2. Test Procedure

TEST item

To execute ATP test of the drive.

1. Insert the test disc (TGRS-21) into the CDM-47 drive unit. and hit any key to start ATP test.

Note:

When some errors occurred during the test, “ A bort R etry I gnore” message will be displayed i=on the drive status column, at that time hit A key to exit and then check which part is broken in accordance with 3-4.

Note:

If each test result satisfies the specification, the word of “Pass” or value of the test result will be displayed on the judgement column.

a. Inquity check test will be executed. b. “Returned Data OK ? (Y/N) = >?” message will be displayed

on the drive status column, then check the inquiry data and hit Y key.

c. When “Place CD-ROM TEST DISC (TGRS-2D)...” is dis-

played, press the EJECT button of the CDL1100 (CDM-47) controller, and chuck the disc. If the disc has already been chucked, the display will not be shown, and the unit will pro-

ceed onto the next step. d. TOC Read test will be executed. e. Incremental Read Test will be executed. f. Spin Up, Spin Down test (normal) will be executed. g. Spin Up, Spin Down test (quadruple) will be executed. h. Spin Up, Spin Down test (Max) will be executed. i. Full seek test (normal) will be executed. j. 1/3 seek test (normal) will be executed. k. Full seek test (quadruple) will be executed. l. 1/3 seek test (quadruple) will be executed. m. Full seek test (Max) will be executed. n. 1/3 seek test (Max) will be executed.

2. After Seek test completion, Play Audio (DeTRCK) test will be executed. a. “Hit any key when ready” message will be displayed on the

drive status column, then hit any key.

b. Play Audio (E-Volume) test will be executed.

c. “Any ke y when Okay or Esc when NG” message will be dis-

played on the drive status column, then hit any key.

d. Play Audio (Play Mode) test will be executed.

e. “Space bar when ready, ESC to abort” message will be dis-

played on drive status column, then hit space bar.

f. Play Audio (X’Talk LnR) test will be executed.

g. “ Any k ey when Okay or Esc when NG” message will be dis-

played on drive status column, then hit any key.

h. Play Audio (X’Talk RnL) test will be executed.

i. “ Any ke y when Okay or Esc when NG” message will be dis-

played on drive status column, then hit any key.

3. After Audio test completion, Sub Code Read test will be executed.

Check point

The music (both left and right channel) can be heard from the active speaker.

The music (both left and right channel) will be faded-out slowly. (After several minutes, the drive is set to mute mode.)

The music (both left and right channel) can be heard from the active speaker. And the play mode can be changed by pushing some key. (Refer to Drive Status Column)

The sound (only left channel) can be heard for 3 sec. from the active speaker.

The sound (only lright channel) can be heard for 3 sec. from the active speaker.

6-10

TEST item

Check point

4. After sub code Read test completion, Eject test will be executed.

a. “push eject button” message will be displayed on drive status

column, then push the eject button

b. “Place a YEHS-4 (8cm disc Type5) then push the tray until it

starts to close.” message will be display ed on the driv e status column, then insert SONY Test Disc (YEHS-4) to the test drive instead of SONY Test Disc (TGRS-21). Press the EJECT button of the CDL1100 (CDM-47) controller, and chuck the disc. If the 8 cm disc is not available, the disc needs not to be set again.

c. Play Audio 8 cm Disc test will be executed.

5. After Play Audio 8 cm Disc test completion, Tray will be opened automatically. The ATP test ends.

Note:

If all of test items are completed, words of OK will be displayed on the screen.If not, NG will be displayed.

Sony SCSI CD-ROM Failure Verification Test Ver. 1.00.00 [Nov. -22-1996] [ID:7]=ASW-1210 V 3.60 ADAPTEC AHA-1520ADAPTEC AHA-1520 ATP415.CHG

00: Inquiry check [ Pass ] [ ID:3 ]=SONY CD-ROM CDU415 X.Xx 01: TEST UNIT READY [ Pass ] READY 02: TOC read [ Pass ] 03: Incremental Read [ Pass ] 04: Spin Up/Down (X1) [ Pass ] Spin Up : XXXX [ms] Spin Down : XXX [ms] 05: Spin Up/Down (X4) [ Pass ] Spin Up : XXXX [ms] Spin Down : XXX [ms] 06: Spin Up/Down (Max) [ Pass ] Spin Up : XXXX [ms] Spin Down : XXXX [ms] 07: Full seek Read (X1) [ Pass ] Max : XXXX [ms] Ave : XXXX [ms] 08: 1/3 seek Read (X1) [ Pass ] Max : XXXX [ms] Ave : XXXX [ms] 09: Full seek Read (X4) [ Pass ] Max : XXXX [ms] Ave : XXXX [ms] 10: 1/3 seek Read (X4) [ Pass ] Max : XXXX [ms] Ave : XXXX [ms] 11: Full seek Read (Max) [ Pass ] Max : XXXX [ms] Ave : XXXX [ms] 12: 1/3 seek Read (Max) [ Pass ] Max : XXXX [ms] Ave : XXXX [ms] 13: Play Audio (DeTRCK) [ Pass ] 14: Play Audio (E-Volume) [ Pass ] 15: Play Audio (Play Mode) [ Pass ] 16: Play Audio (X’Talk L->R) [ Pass ] 17: Play Audio (X’Talk R->L) [ Pass ] 18: Sub Code Read [ Pass ] LOAD : 4758 [ms] 19: Eject Test [ Pass ] 20: Play audio 8cm Disc [ Pass ]

Remove the DISC Hit any key when ready

The disc will automatically be unchucked, after it will be chucked again. Press the EJECT button of the CDL1100 (CDM-47) controller to unchuck the disc, and then remove the disc.

Sony SCSI CD-ROM Failure Verification Test Ver. 1.00.00 [Nov. -22-1996] [ID:7]=ASW-1210 V 3.60 ADAPTEC AHA-1520ADAPTEC AHA-1520 ATP415.CHG

0: Inquiry check [ Pass ] [ ID:3 ]=SONY CD-ROM CDU415 X.Xx 1: TEST UNIT READY [ Pass ] READY 2: TOC read [ Pass ] 3: Incremental Read [ Pass ] 4: Spin Up/Down (X1) [ Pass ] Spin Up : XXXX [ms] Spin Down : XXX [ms] 5: Spin Up/Down (X4) [ Pass ] Spin Up : XXXX [ms] Spin Down : XXX [ms] 6: Spin Up/Down (Max) [ Pass ] Spin Up : XXXX [ms] Spin Down : XXXX [ms] 7: Full seek Read (X1) [ Pass ] Max : XXXX [ms] Ave : XXXX [ms] 8: 1/3 seek Read (X1) [ Pass ] Max : XXXX [ms] Ave : XXXX [ms] 9: Full seek Read (X4) [ Pass ] Max : XXXX [ms] Ave : XXXX [ms] 10: 1/3 seek Read (X4) [ Pass ] Max : XXXX [ms] Ave : XXXX [ms] 11: Full seek Read (Max) [ Pass ] Max : XXXX [ms] Ave : XXXX [ms] 12: 1/3 seek Read (Max) [ Pass ] Max : XXXX [ms] Ave : XXXX [ms] 13: Play Audio (DeTRCK) [ Pass ] 14: Play Audio (E-Volume) [ Pass ] 15: Play Audio (Play Mode) [ Pass ] 16: Play Audio (X’Talk L->R) [ Pass ] 17: Play Audio (X’Talk R->L) [ Pass ] 18: Sub Code Read [ Pass ] LOAD : 4698 [ms] 19: Eject Test [ Pass ] 20: Play audio 8cm Disc [ Pass ]

Remove the DISC Hit any key when ready

Note:

When not using the 8 cm disc, “20:Play audio 8 cm Disc” will become an error. As a result, NG will be displayed. If there is no other error, it will be regarded as OK.

6-11

6-3-4. DRIVE FUNCTION CHECK

6-3-4-1. Pre-Setting for Test Mode Operation

Since CDM-47 models is adjustment-free drive, there is no potentiometer fo electrical adjustment in the MA-C22 Mounted Board. Therefore BU or MA Mounted Board can be swapped over without any manual adjustment so that you will easily find defective components (if the trouble depends on BU or MA Mounted Board). (Refer to 6-34-2.) Note:All of adjustment items, will be automatically performed after

power-on by the function of CD DSP IC. The page 6-15 shows the sequence of execution items in Po werOn Reset Actions. It will help you finding any defective point on the drive to know the specified processing sequence of the auto adjustment items and drive’s action in the Power-On Reset Actions.

Preparing

a. The following tools and measuring equipments are necessary for

performing this section. DC Power Supply or CDL1100 unit Oscilloscope Sony Test Disc (YEDS-18) (3-702-101-01) CDL1100 (CDM-47) CONTROLLER (J-2501-141-A)

b. Connect the test drive to the DC po wer supply or CDL1100 unit.

Note:This section is performed only specified following sections. Note:This section describes usages of Test Mode Operation and sig-

nal checking on the CDM-47 drives with the CDL1100 (CDM-

47) CONTROLLER.

a. Connect CDM-47 to CDL1100 (CDM-47) CONTROLLER as

shown in following Fig. 3-4-1.

CNJ202 enlargement

7 8

Connect this part to the controller

CNJ202 (MA-C22 board)

CDM-47

Controller

CN56 (CN board)

b. See the COMMAND SW ON CDL1100 (CDM-47) CONTROL-

LER as following table.

ID2HID1LID0HPARITY

c. While pressing the TEST button of the controller, turn on the

power of the CDL1100 or power supply unit.

d. After about 1 second later, release the TEST button.

Note: Even drive is Test Mode, EJECT button is activated.

6-12

6-3-4-2. Flowchart

Note: These flowchart is described assuming that IC failure causes any trouble.

Start

Mechanical or Electrical trouble ?

Electrical

Nothing in action in Power-On ?

Proceeding Adjustment Action

BU/Main PWB/HP PWB

dependent ?

(check by swapping BU or PWBs.)

Main PWB dependent

Power-On Reset actions Completes or

Failed/action NG ?

Completed

Mechanical

No action

BU dependent

HP PWB dependent

Failed /NG

Mechanical Checking/Repairing

IC201 (CPU) failure IC205 (gate-array) failure IC207 (Flash-ROM) failure

BU/OP checking/Replace BU HP PWB checking

IC105 (CD DSP/servo IC) failure IC101, IC107 (RF Amp IC) failure Drive ICs failure

Refer to Flowchart (2)-Power-on Reset Actions

SCSI command execution

communication OK or NG ?

(check with any SCSI command)

Read Operation

End

Flowchart (1) Repairing/Trouble Shooting-General

Access Time NG

Read Data Error

6-13

IC202 (CDROM/SCSI I/F IC) failure IC207 (Flash-ROM) failure

IC105 (CD DSP/servo IC) failure Motor Driver ICs failure

IC202 (CDROM/SCSI I/F IC) failure IC203 (buffer RAM) failure

Power on Reset Action

Failed/Action NG

Retry for detailed checking

Trouble/Failed in Step (2)-(6)

(Spin-up/Focus-on)

OK/Passed

Focus Search (Refer to 6-3-4-6.) Spindle Motor Driver IC (Refer to 6-3-4-11.) RF Signal (Refer to 6-3-4-13.)

IC102 IC402 IC105 IC101 IC107

Trouble/Failed in Step (7)-(13)

(Auto Adjustment Functions)

OK/Passed

Trouble/Failed in Step (14)-(23)

(Read TOC/Set x8 speed)

OK/Passed

OK/Completed

(Try Read operation)

Flowchart (2) Repairing/Trouble Shooting-Power-on Reset Actions

Check Focus/Tracking Servo Error Signal RF Signal (Refer to 6-3-4-13.) EF Balance (Refer to 6-3-4-12.)

RF Signal (Refer to 6-3-4-13.) Spindle Motor Driver IC (Refer to 6-3-4-11.)

IC101 IC105 IC107

IC101, IC107 IC102 IC401 IC402

6-14

Power on Reset Actions

Step

(1)

Drive Power-On

(2)

Spin-up (tentative spindle servo gain setting)

(3)

LD On

(4)

Spindle Kick

(5)

Focus Search

(6)

Focus On

(7)

EF Balance Auto Adjustment

(8)

Tracking and Sled Servo On

(9)

Spindle Servo On

(10)

— sync pattern detection —

(11)

Focus Servo Gain Auto Adjustment

(12)

Track Servo Gain Auto Adjustment

(13)

Focus Bias Voltage Auto Adjustment

(14)

Disc Diameter (8cm/12cm) Detection

(15)

— sync pattern detection —

(16)

Change rotational speed from X1 to X4 (ex. Y ellow Disc)

(17)

Read TOC

(18)

Jump to 00:02:00

(19)

— Subcode-Q detection —

(20)

Disc Linear Speed Detection

(21)

Jump to 00:02:00

(22)

Set MAX. rotational speed

(23)

— sync pattern detect & subcode-Q detection— — Completed —

Item

Drive Action

LED to indicate Amber Spin-Up LD to turn on

OP lens to move up and down

(You will hear a small beep sound from the drive during these auto adjustment.)

(You will hear a small beep sound from the drive during these auto adjustment.) (You will see RF Signal with Spindle-Kicking waveform.) (Refer to 6-3-4-13)

Note:When a disc is replaced, the above steps excluding item (1) to (3) will be executed.

The item (1) to (3) will be performed only after power-on.

6-15

6-3-4-3. Test Command List

6-3-4-5. Sled Gear Train

ID2

L L L

L H H H

ID1

L L L

H H

L H H

ID0

L L H

L H L L L

PARITY

H H

L L

Drive Action Initialize Drive Set Normal Speed Set Quadruple Speed Set x8 Speed (Wide Capture) for Error Rate Play Audio (from 23’47”) Tracking Servo on Tracking Servo off Play Audio (from 5’00”) Play Audio (from 55’00”) Set x8 Speed (Normal Capture) for RF Level/RF Jitter Partial CAV

H : PARITY or ID0 ~ 2 test point to be high (5V). L : PARITY or ID0 ~ 2 test point to be low (Ground).

Command Execute

In the test mode, above listed function can be executed. Turn on COMMAND SW on CDL1100 (CDM-47) CONTROLLER. The command will be latched by TEST down edge, and executed by rising edge.

PARITY or ID0 ~ 2

Command Setting

[Check the mechanical burden]

a. Disassemble the CHUCK HOLDER. b. Check if there is any broken tooth in the gears. c. Try to move sled gears by hand and check if it gets unsmooth in

certain position.

d. In case there is unsmooth protion, replace Base Unit Ass'y.

6-3-4-6. 2-Axis Actuator

[Check Focus search operation]

a. Disassemble the CHUCK HOLDER so that the optical pick-up is

exposed.

b. Turn on the drive power and watch if the objective lens moves

upward and downward.

c. If the lens does not move, check the resistance of the 2-axis actua-

tor coils. It should be 6.1±1.1Ω between FCS+ and FSC–.

FCS+ TRK+ TRK– FCS–

d. Otherwise replace the optical device. e. If the coils are normal, replace the Driver IC (IC102).

Command Execute

TEST

Command Latch

6-3-4-4. Spindle Motor

[Check resistance]

a. Pull the spindle motor flexible cable out from the connector. b. Measure the resistance between 3 motor terminals respectively

(u-v, v-w, w-u).

c. The resistance shall be 15Ω ± 10%. d. Otherwise replace the motor.

W V U

[Check noise from spindle motor]

a. Listen carefully the sound from the spindle motor while drive is

spinning up.

b. If you hear the strong striking noise from the motor, it is sus-

pected that there is too much clearance between the bearing metal and the shaft, that is; NG motor!!

6-3-4-7. Focusing (Focus Bias)

a. Insert any discs into the drive after the check of 6-3-4-4. b. Check if the drive can make a focus. c. In case of failure, it is possible that Focus Bias or Focus Gain

Servo circuit had not been controlled well.

d. So watch RF signal by a oscilloscope and see if the quality is

good or not.

e. In case the quality is not good, check servo circuit.

6-3-4-8. Laser Power

[Check Laser beam]

a. Disassemble the drive so that the optical device is exposed. b. Turn on the dri ve po wer and look into the objecti v e lens carefully

while the drive is in process of focus search.

c. Check if the red beam comes out from the optical pick-up.

Warning: Do not look into LD beam closely with naked eyes.

d. In case of no beam from optical device, the LD must have been

broken down, so replace the optical pick-up.

6-16

[Check Laser Current]

6-3-4-9. Chucking Mechanism

a. Touch the IOP test land (CL165) on the MA-C22 Mounted Board. b. Measure the voltage generated by the laser current while the drive

in process of focus search.

c. It is supposed to be about 4.5V because the voltage of IOP will

drop by IOP x10Ω from 5V-A.

d. Otherwise replace the optical pick-up.

a. Listen the sound from the drive while the drive is spinning up. b. Chec k if there is any slipping noise among the Turntable, the

Chucking Pulley Ass'y and the Disc.

c. If you hear any, disassemble the driv e and check if there is exces-

sive dust or any contamination on the Turntable or the disc.

d. Otherwise replace the Chucking Pulley Ass'y.

6-3-4-10. Sled Motor

a. Disconnect the Sled Motor wires from the P.W.B. b. Check the resistance between 2 terminals of sled motor. c. It should be 20.3 ± 1.9Ω.

6-3-4-11. Spindle Motor Drive

Monitor the following signals to find if IC402 is defective. a. Check the control signal at SOL105. In CAV mode the control

signal is sent from IC106 No.15 pin. In CL V mode that is sent from IC105 No.50 pin with 3-state driv e signal.

b. Check if the voltage difference between VH+ (IC402 30 pin) and

VH– (IC402 29 pin) shows approximately 1.0V. (This voltage shows Hall Elements Bias Voltage for Spindle Motor)

c. Check if U (CL118), V (CL117), W (CL116) OUT signal shows

motor driving voltage.

[MA-C22 BOARD] (SIDE B)

CNJ201 (2/2)

IC102

CNJ201 (2/1)

CNJ202

CNJ102

CL165

CNJ103

SOL105

TP IOP (CL165) Laser Current Check

CL117

CL116

CL118

Spindol Motor Drive Check

TP V (CL117) TP W (CL116) TP U (CL118)

6-17

6-3-4-12. EF Balance

6-3-4-13. RF Level

Note:

• Before performing electrical block checks, solder a lead wire to TP RF (CL428), TP VC (CL403), and TP TE (CL407) of the MAC22 board.

• Chuck the disk (YEDS-18) beforehand.

• Refer to 6-3-4-1. and set the test mode.

• Insert a SONY test disc (YEDS-18) into the test drive.

1. Connect the oscilloscope to TP TE (CL407) and TP VC (CL403) of the MA-C22 board.

2. Set the COMMAND SW of the controller to INITIALIZE and press the TEST button.

ID2LID1LID0LPARITY

3. Set the COMMAND SW of the controller to x1 speed, and press the TEST button.

ID2LID1LID0LPARITY

4. Set the COMMAND SW of the controller to Play Audio (23’47”), and press the TEST button.

ID2LID1HID0LPARITY

5. Set the COMMAND SW of the controller to tracking off, and press the TEST button.

ID2HID1LID0LPARITY

Note:

• Before performing electrical block checks, solder a lead wire to TP RF (CL428), TP VC (CL403), and TP TE (CL407) of the MAC22 board.

• Chuck the disk (YEDS-18) beforehand.

• Refer to 6-3-4-1. and set the test mode.

1. Connect the oscilloscope to TP RF (CL428) and TP VC (CL403) of the MA-C22 board.

2. Set the COMMAND SW of the controller to INITIALIZE and press the TEST button.

ID2LID1LID0LPARITY

3. Set the COMMAND SW of the controller to x1 speed, and press the TEST button.

ID2LID1LID0LPARITY

4. Set the COMMAND SW of the controller to Play Audio (23’ 47”), and press the TEST button.

ID2LID1HID0LPARITY

5. Check that the oscilloscope waveform is clear , and the RF le v el is proper.

* A clear RF signal waveform is as follows.

6. The oscilloscope waveform should be symmetrical at the top and bottom in respect to 0V (VC). Check that the DC voltage A is within ±0.125V from 0V (VC).

Center of the waveform

0V (VC)

A (DC voltage)

7. After adjusting, set the COMMAND SW of the controller to tracking on, and press the TEST button.

ID2LID1HID0HPARITY

to CNJ202

level : 0.9V ~1.6 V (RF Level Specification)

to CN56to CNJ202

White

Red

COMMAND SW (SW1)

TEST (SW2)

ID2

Blue

ID1

ID0

Y ello w

Black

PARITY

Brown

Gray

White

UNCHUCK (RED)

EJECT (SW3)

Gray

CHUCK (GREEN)

6-18

CNJ202 enlargement

7 8

Supplying power from the CDL1100 unit

Connect this part to the controller

CNJ202 (MA-C22 board)

Controller

Adjustment Location :

[ MA-C22 BOARD ] — Side B —

CDM-47

CDL1100

CDM-47

CN56 (CN board)

CNJ201

TP VC (CL403) RF Level Check E-F Balance (Traverse) Check

CNJ201 (2/2)

CNJ202

CNJ201 (1/2)

CNJ102

IC102

TP RF (CL428) RF Level Check

CL403

CL413

CNJ103

IC402

CL407

TP TE (CL407) E-F Balance (Traverse) Check

6-19

6-3-5. DOWN LOAD PROGRAM

a. Connect the drive to the host computer as shown in 6-2-3-1. b. Set the COMMAND SW of the CDL1100 (CDM-47) CONTROLLER as follows.

ID2HID1LID0LPARITY

c. While pressing the TEST button of the CDL1100 (CDM-47), turn on the power of the CDL1100 or power supply unit.

After about 1 second later, release the TEST button and then turn the computer on.

d. After system loading, insert Firmware Program Disk into the drive A. e. Change the directory in the drive A. f. Type G O and hit Enter key. (Display 6-3-5. (a) shows up.)

Firmware DownLoad VIA ASPI Ver.1.00.00 --Sony CD-ROM -- [Nov. -21-1996] [ID:7]=ASW-1210 V 3.60 ADAPTEC AHA-1520ADAPTEC AHA-1520 Size of OBJ. [415s_XXx. HEX ] => 065536 Bytes. Accept? (Y/N) ==>?

Display 6-3-5 (a)

g. Hit Y key. (Display 6-3-5. (b) shows up.)

Firmware DownLoad VIA ASPI Ver.1.00.00 --Sony CD-ROM -- [Nov. -21-1996] [ID:7]=ASW-1210 V 3.60 ADAPTEC AHA-1520ADAPTEC AHA-1520 Size of OBJ. [415s_XXx. HEX ] => 065536 Bytes.

[ID:3]=SONY CD-ROM CDU-415 X.Xx [Available ROM size:064 kBytes)

Accept? (Y/N) ==>?

Display 6-3-5 (b)

h. Hit Y key. i. Hit Enter key to start the down loading.(It takes a few minutes). (Display 6-3-5. (c) shows up.)

Firmware DownLoad VIA ASPI Ver.1.00.00 --Sony CD-ROM -- [Nov. -21-1996] [ID:7]=ASW-1210 V 3.60 ADAPTEC AHA-1520ADAPTEC AHA-1520 Size of OBJ. [415s_XXx. HEX ] => 065536 Bytes.

[ID:3]=SONY CD-ROM CDU-415 X.Xx [ID:3]=SONY CD_ROM CDU-415 X.Xx [ID:3] Downloading INQUITY data. Complete.

[ID:3] Downloading ROM data. [00000 ~03FFF] Complete. [ID:3] Downloading ROM data. [04000 ~07FFF] Complete. [ID:3] Downloading ROM data. [08000 ~0BFFF] Wait for a moment...

Display 6-3-5 (c)

Note:When the firmware has the different inquiry data from the current drive, the warning message appears. (Display 6-3-5. (d) shows up.)

Inthis case, hit ESC key to quit.

6-20

Firmware DownLoad VIA ASPI Ver.1.00.00 --Sony CD-ROM -- [Nov. -21-1996] [ID:7]=ASW-1210 V 3.60 ADAPTEC AHA-1520ADAPTEC AHA-1520 Size of OBJ. [415s_XXx. HEX ] => 065536 Bytes.

[ID:3]=SONY CD-ROM CDU-XXX X.Xx [Available ROM size:064 kBytes)

Hit Esc to quit.

Display 6-3-5 (d)

Note:When the down loading and verification are completed, “OK” shows up on the display. (Refer to Display 6-3-5. (e))

When this process is not completed, change ROM (IC207) with new one and try down load process again.

Note:When you want to down load other versions, hit any key. (Display 6-3-5. (a) shows up.)

Firmware DownLoad VIA ASPI Ver.1.00.00 --Sony CD-ROM -- [Nov. -21-1996] [ID:7]=ASW-1210 V 3.60 ADAPTEC AHA-1520ADAPTEC AHA-1520 Size of OBJ. [415s_XXx. HEX ] => 065536 Bytes.

[ID:3]=SONY CD-ROM CDU-415 X.Xx [ID:3]=SONY CD_ROM CDU-415 X.Xx [ID:3] Downloading INQUITY data. Complete.

[ID:3] Downloading ROM data. [00000 ~03FFF] Complete. [ID:3] Downloading ROM data. [04000 ~07FFF] Complete. [ID:3] Downloading ROM data. [08000 ~0BFFF] Complete. [ID:3] Downloading ROM data. [0C000 ~0FFFF] Complete. [ID:3] Self resetting Complete. [ID:3] Verifying ROM data. [00000 ~03FFF] Complete. [ID:3] Verifying ROM data. [04000 ~07FFF] Complete. [ID:3] Verifying ROM data. [08000 ~0BFFF] Complete. [ID:3] Verifying ROM data. [0C000 ~0FFFF] Complete.

Hit any key to continue, or Esc to abort.

j. Quit this program by hitting ESC key.

Display 6-3-5 (e)

6-21

7-1. CIRCUIT BOARDS LOCATION

SECTION 7

DIAGRAMS

LED board

CARRIER ASSY

MA-C22 board

RST board

LDSW board

CARRIER board

CLIP (OUT) board

P LED board

CLIP (IN) board

DISC SENSOR board

FG board

M BOX SW board

MBLD board

CDM-47

SERVICE board

PANEL board

MD LED board

CN board

AC SW board

MBDS board

COVER board

MBMO board

M BOX board

MAIL BOX ASSY

VOLSEL board

FILTER board

RS board

MAIN board

DIP SW board

PS board

MAIN UNIT

7-1

7-2. IC PIN FUNCTION

• IC101 RF AMP (TA2106N) / MA-C22 board

Pin No.

1 2 3 4 5 6 7 8 9

12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29

VCC AGCAD RFAD0 FNI FPI TPI TNI MDI LDO

SEL

TEB

2VRO TEN TEO SBAD FEO FEN SEB VRO RFRP BTC RFCT PKC RFRPIN RFGO AGCIN RFO GND RFN2

RFGC

Pin Name

I/O

—

I I I I I I I

I O O O

I O O

I O

—

Function

+5V power supply RF system AGC AMP gain adjustment input (Not used) RF AMP gain adjustment input Main beam AMP input (Detector A,C) Main beam AMP input (Detector B,D) Sub beam AMP input (Detector F) Sub beam AMP input (Detector E) Monitor photodiode AMP input Laser diode AMP output APC circuit ON/OFF signal, LDO pin control input, and bottom/peak detection frequency switching terminal *1 Tracking error balance control signal input controlled with temary PWM signal (PWM carrier = 88.2kHz) Reference voltage (2VREF) output (+4.2V) Tracking error signal generating AMP inverted phase input Tracking error signal generating AMP output Sub beam addition signal output Focus error signal generating AMP output Focus error signal generating AMP inverted phase input RFRP generating circuit mode selection input *2 Reference voltage (VREF) output (+2.1V) Track count signal generating AMP output Bottom detection constant adjustment terminal for RFCT signal generation RFRP signal center level output Peak detection constant adjustment terminal for RFCT signal generation Track count signal generating AMP input RF signal output RF signal amplitude control AMP input RF signal generation AMP output Ground RF signal generation AMP input RF amplitude control signal input RFGC input voltage : 0.5 to 3.5V AGC AMP transfer gain : 0.8 to 1.7 times (typical)

SEL

HiZ

SEB

APC circuit

OFF

ON ON

Bottom detection

OFF

LDO

Connected to VCC Via 1kΩ

Outputs control signal Outputs control signal

Peak detection

ON ON

Detection frequency

Low Low

High

7-2

• IC102 2AXIS & Chucking Motor Driver (LA6539M) / MA-C22 board

Pin No.

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Pin Name

RF RF GND VIN1 VIN1A MUTE1 VIN2 VIN2A VIN3 VIN3A OUT1 OUT2 VCC RF RF RF RF NC MUTE2 VS2 WOUTWOUT+ VOUTVOUT+ UOUTUOUT+ VS1 VREF1 RF RF

I/O Function

—

Sub straight (Minimum potential) (not used)

—

Sub straight (Minimum potential) (not used)

—

Ground

Chucking motor control signal input

Chucking motor control signal input (For adjusting gain)

Chucking motor control ON/OFF signal output

Focus coil contol signal input

Focus coil contol signal input (For adjusting gain)

Tracking coil control signal input

Tracking coil control signal input (For adjusting gain)

Buffer amplifier 1 output (1/2VS1:typ), CH-U output step reference voltage (Not used)

Buffer amplifier 2 output (1/2VS2:typ), CH-V,W output step reference voltage (Not used)

—

+12V power supply

—

Sub straight (Minimum potential) (not used)

—

Sub straight (Minimum potential) (not used)

—

Sub straight (Minimum potential) (not used)

—

Sub straight (Minimum potential) (not used)

—

Not used

Focus/Tracking coil drive signal ON/OFF control output

Focus/Tracking coil drive signal output step power supply (+5V)

Tracking coil drive signal reversed output

Tracking coil drive signal output

Focus coil drive signal reversed output

Focus coil drive signal output

Chucking motor drive signal reversed output

Chucking motor drive signal output

Chucking motor drive signal output step power supply (+5V)

—

Level shift circuit reference voltage (+2.1V)

—

Sub straight (Minimum potential) (not used)

—

Sub straight (Minimum potential) (not used)

7-3

• IC105 Digital Servo & Digital Signal Processor (TC9439F) / MA-C22 board

Pin No.

1 2 3 4 5

9 10 11 12 13 14 15 16

18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

Pin Name

VSS BCK AOUT DOUT MBOV

IPF

SBOK

CLCK VDD VSS DATA SFSY SBSY SPCK SPDA COFS

MONIT

VDD TESIO0 P2VREF SPDO PDOS PDO TMAXS TMAX LPFN LPFO PVREF VCOREF VCOF AVSS SLCO RFI AVDD RFCT RFZI RFRP FEI SBAD TSIN

I/O

—

Ground

Bit clock output (1.4122MHz)

Audio data output

Digital output (Not used)

Buffer memory over signal otuput “H”: at over Outputs the correction flag. This pin becomes “H” when the AOUT output cannot be

corrected in the C2 correction Outputs the CRCC judging result of subcode Q data. This pin becomes “H” when the

judging result is OK (Not used)

I/O

Inputs the clock for subcode P-W data reading selectable by command bit

—

+5V power supply

—

Ground

Subcode P-W data output

Frame sync signal output (Signal in regeneration system)

Subcode block sync signal output. “H” at S1 position when subcode sync is detected

Clock output for processor status signal reading (176.4kHz) (Not used)

Processor status signal output (Not used)

Output the frame clock in the correction system (7.35MHz) (Not used) LSI internal monitoring signal output. DSP internal flag and PLL clock can be monitored

by microcomputer commands (Not used)

—

+5V power supply

—

Test pin (Fixed at “L”)

Reference voltage input for PLL (+4.2V)

VCO center frequency shift signal output

Outputs of phase error between EFM signal and PLCK signal (Used in x8 speed mode)

Outputs of phase error diference signal between EFM signal and PLCK signal

TMAX detection result signal output (Select by command bit TMPS) *1

TMAX detection result signal output (Select by command bit TMPS)

Inverted amplifier input for low-pass filter

Amplifier output for low-pass filter

Reference voltage input for PLL (+2.1V)

VCO center frequency reference level input (Fixed at “PVREF”)

Output from VCO filter

—

Ground (Analog)

Data slice level signal output

RF signal input

—

+5V power supply (Analog)

RFRP signal center level input

RFRP zero crossing input

RF ripple signal input

Focus error signal input

Sub beam adding signal input

Test pin (Fixed at “VREF”)

Function

TMAX detection result Longer than ref. period Shorter than ref. period Within ref. period

TMAX output P2VREF VSS HiZ

7-4

Pin No. Pin Name

41 42 43 44 45

50 51

57 58 59 60 61 62

64 65 66 67 68 69 70

TEI TEZI FOO TRO VREF

RFGC

TEBC

FMO

FVO

DMO 2VREF

SEL

FLGA

FLGB

FLGC

FLGD

VDD VSS IO0 XLOCK IO2 IO3

/DMOUT

/CKSE /DACT /TESIN TESIO1 VSS PXI PXO

I/O

Tracking error signal input

Tracking error zero crossing signal input

Focus servo equalizer signal output

Tracking servo equalizer signal output

Reference voltage input (+2.1V) RF amplitude control signal output. The three-value PWM signal is output

(PWM carrier = 88.2kHz) Tracking balance control signal output. The three-value PWM signal is output

(PWM carrier : 88.2kHz) Feed motor equalizer signal output. The three-value PWM signal is output

(PWM carrier : 88.2kHz) Speed error signal or Field search EQ output. The three-value PWM signal is output

(PWM carrier = 88.2kHz) (Not used)

Disc equalizer signal output. The three-value PWM signal is output (PWM carrier : 88.2kHz)

Reference voltage input (+4.2V) APC circuit ON/OFF signal output.

“Hi-Z” is output when UHS = “L” at laser ON, or “H” is output when UHS = “H” External flag output for internal signal monitoring.

TEZC, /FOON, /FOK or RFZC signal is selectable by command External flag output for internal signal monitoring.

TRON, /FOON, /DMON or RFZC signal is selectable by command External flag output for internal signal monitoring.

TRON, /TSSR, /FOK or /SRCH signal is selectable by command External flag output for internal signal monitoring.

TRON, /DMON, /HYS or /SHC signal is selectable by command

—

+5V power supply

—

Ground

RF equalizer control signal output

I/O

PLL LOCK “L” PLL UNLOCK “H”

I/O

Not used

I/O

Not used This pins sets field equalizer binary PWM output mode from pins 100 and 101,ans also

sets disc equalizer binary PWM output mode from pins 102 and 103 “L”: active (Not used)

Crystal selection pin “H”: 16.934MHz, “L”: 33.8688MHz (Fixed at “L”)

Test pin (Not used)

Test pin (Fixed at “L”)

—

Ground

DSP clock oscillating circuit input (50.8032MHz)

DSP clock oscillating circuit output (50.8032MHz)

Function

7-5

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