mmmm
eel/ox
B225
*• TEST POINTSt ADJUSTMENTS OH E225
4 i Test points on 622^ 4/1
4«-l»l Test points on SERVO I PCB 1«?69*310 4/1
4.1.2 Test points on SERVO 2 PCB 1.769.330 4/3
4.1.3 Test points on microprocessor PCB 1.769*320 4/4
4.1.4 Test points on decoder PCB 1.769.300 4/6
4.1.5 Test points on 0AC- PCB 1.769.260 4/8
4®2 Adjustments on CO player B225 4/9
4.2.1 Aids 4/9
4.2.2 Aligning the player mechanism? general 4/9
4*2®3
Adjusting the laser current 4/9
4.2.4 Adjusting the balance 4/9
4«Z*5 Adjusting the focus gain 4/10
4*2*6
Checking the -tingle alignment 4/10
4*»2#7
Adjusting the DC component of the focus signal 4/11
4.3 Measuring the audi.o data 4/11
4*3.1
A i 4s
4/i1
4*3#2
Harmonic distortion 4/11
4.3.3 Output level 4/11
4.3*4
Frequency response 4/11
4.3.5 Cross talk 4/12
4.3.6 Signal-to-noise ratio* linear 4/12
4.3.7 Signal-to-noise ratio? weighted - ' 4/12
4.3.3 Phase linearity 4/12
4.4 Listening test with reference CO 4/12
5* DIAGRAMS
6. SPARE PARTS
7*
TECHNICAL APPENDIX
7.1 Technical data 7/1
7«Z
Dimensions 7/2"
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