6-12
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.
6-3-4. DRIVE FUNCTION CHECK
Since CDM-47 models is adjustment-free drive, there is no potenti-
ometer fo electrical adjustment in the MA-C22 Mounted Board. There-
fore 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 6-3-
4-2.)
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 Power-
On 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 Re-
set 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 power supply or CDL1100 unit.
6-3-4-1. Pre-Setting for Test Mode Operation
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.
Connect this part to the
controller
7
8
1
14
CNJ202 enlargement
Controller
CN56 (CN board)
CDM-47
CNJ202
(MA-C22 board)
b. See the COMMAND SW ON CDL1100 (CDM-47) CONTROL-
LER as following table.
ID2
H
ID1
L
ID0
H
PARITY
H
Summary of Contents for CDL1100
Page 8: ...6 7 Power Supply Power Cord SONY Test Disc YEDS 18 CDL1100 CDM 47 Controller Function check ...
Page 44: ...CDL1100 CD ROM DRIVE CDM 47 2 2 SECTION 7 23 7 24 ...
Page 47: ......
Page 48: ......
Page 49: ......
Page 50: ......
Page 51: ......
Page 52: ......
Page 53: ......
Page 54: ......
Page 55: ......
Page 56: ......
Page 57: ......
Page 58: ......
Page 59: ......