CERAMATE CMD4506 Service Manual

5-CH BTL Driver for DVD Player

Features Descriptions

CMD4506

z 2-CH BTL driver
z 2-CH BTL driver with current feedback
z 1-CH forward/reverse control DC motor
z Built-in motor speed control circuit
z Built-in TSD (thermal shut down) circuit
z Built-in mute mode
z Operating supply voltage(4.5V~13.2V)

Internal Block Diagram

MUTE

28

Stand

by

Thermal

Shut down

BIAS

27

+

VINTK

26 25

10K

-

25K

NC

NC

24

VINLD

23

The CMD4506 is a 5-CH motor driver for
CD-p/VCD/DVD systems. It is composed of
2-CH BTL driver, 2-CH driver with current
feedback and 1-CH forward/reverse control
DC motor driver.

GND VCTL NC VCC2

22 21

GND

PGND

10K

20 19

VCC2

15K

-

+

VOLD- VOLD+ VOTK- VOTK+

18

Spindle

Driver

17

16

Actuator

Driver

15

VCC2

+

-

25K

+

-

10K

3

1

VINFC NC NC VINSL

* All specs and applications shown above subject to change without prior notice.

1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN

Tel:[phone] Http: www.ceramate.com.tw
Fax:[phone]

2

10K

5

4

NC VCC1 VOTR- VOTR+ VOSL+ VOSL- VOFC- VOFC+

25K

Pre-DRV

PGND

VCC1

TRAY
Driver

67 8910

FWD REV

Email: [e-mail]

Page 1 of 6 Rev 1.0 Oct. 6,2004

Sled

Driver

11

12

Actuator

Driver

13

VCC2

VCC1

14

Pin Assignments

CMD4506

5-CH BTL Driver for DVD Player

Pin Definitions

NO SYMBOL FUNCTION NO SYMBOL FUNCTION

1 VINFC Input for focus driver 15 VOTK+ Tracking driver output (+)
2 NC No connection 16 VOTK- Tracking driver output (-)
3 NC No connection 17 VOLD+ Spindle driver output (+)
4 VINSL+ Input for the sled driver 18 VOLD- Spindle driver output (-)

5 NC No connection 19 Vcc2

6 FWD Tray driver forward input 20 NC No connection
7 REV Tray driver reverse input 21 VCTL Speed control input of tray driver

8 Vcc1

9 VOTR- Tray driver output (-) 23 VINLD Input for spindle driver
10 VOTR+ Tray driver output (+) 24 NC No connection
11 VOSL+ Sled driver output (+) 25 NC No connection
12 VOSL- Sled driver output (-) 26 VINTK Input for tracking driver
13 VOFC- Focus driver output (-) 27 BIAS Input for reference voltage
14 VOFC+ Focus driver output (+) 28 MUTE Input for mute control

Vcc for pre-drive block and
power block of sled and tray

22 GND Ground

Vcc for power block of spindle,
tracking and focus

* All specs and applications shown above subject to change without prior notice.

1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN

Tel:[phone] Http: www.ceramate.com.tw
Fax:[phone]

Page 2 of 6 Rev 1.0 Oct. 6,2004

Email: [e-mail]