(3) Jitter measurement (Reference)
Measure by using the jitter meter connecting test point RF to positive pole, test point VC to negative pole.
To measure jitter again after preset, switch to the preset mode, then jitter mode.
(4) When preset is not terminated
When unadjusted MC2 mechanism attached to this model, "NO PRE ADJ" is displayed for 2 seconds
before disc playback .
Select the PRESET MODE by press SEL+CD-CH+I/O att key more than 2 second.
Then check the auto adjustment is complete correctly.
Test instrument
Jitter meter
(Reference)
Model
NJM-631B
NJM-631C
NJM-6350
Maker
MEGURO
MEGURO
MEGURO
Media
CD
Playback MD
Recordable MD
Test disc
CTS-1000
TGYS1
MDW74/AU1
Specification
Less than 27ns
Less than 27ns
Less than 30ns
Explanation
Item
DISC_ERROR_0
DISC_ERROR_1
DISC_ERROR_2
DISC_ERROR_3
DISC_ERROR_4
BLANK_DISC
NG_DISC_0
NG_DISC_2
NG_DISC_3
EJECT_ERROR
MECHA_ERROR
LOAD_ERROR
HIGH_TEMP._
NO_Pre_ADJ.
_IC_ERROR_
Contents
Other
FOCUS
AUTO ADJUSTMENT
CLV
TOC
Without MUSIC
Without MUSIC
Without MUSIC
FEED
Internal temp. is 85
REST no adjustment
LSI,EEPROM communication
Содержание KD-MX2900R
Страница 50: ...1 2 3 1 Vout 2 GND 3 Vin VREF 2 GND 1 VOUT VIN 3 S 81332HG KC X IC491 Regulator 1 Pin layout 2 Block diagram ...
Страница 53: ...1 2 3 IN B IN A Vss 5 4 VDD OUT X A B Vcc GND Y TC7S08F W IC330 Buffer 1 Pin layout 2 Block diagram ...
Страница 54: ...1 2 3 4 8 7 6 5 Vcc G Y1 A2 G A1 Y2 GND TC7WT241FU X IC471 472 Buffer 1 Pin layotu Blocl diagram ...
Страница 64: ...Printed circuit boards Main board old type Forward side Main board old type Reverse side ...
Страница 65: ...Main board new type Forward side Main board new type Reverse side ...
Страница 66: ...MD CD Servo board Forward side Switch board Forward side ...
Страница 67: ...MD CD Servo board Reverse side Switch board Reverse side ...