Sony DNW-A22 Maintenance Manual page 173

(Continued)
No. Item Adjustment point
5 DM RF output level rough adjustment
METAL Y
METAL C
OXIDE C
OXIDE Y
6 OMC carrier balance adjustment
OXIDE Y
OXIDE C
METAL C
METAL Y
7 OMC carrier balance provisional adjustment
n
This provisional adjustment explains how to adjust without using the spectrum analyzer as
opposed to adjustment (No. 6) using the spectrum analyzer.
Perform this provisional adjustment only when the spectrum analyzer is not available for an
urgent maintenance. Be sure to perform the adjustment (No. 6) using the spectrum analyzer
at a later date.
8 Demodulator limiter balance adjustment
Y
C
9 Non-liner output level adjustment
METAL Y
METAL C
C
OXIDE C
OXIDE Y
10 PB frequency response adjustment
METAL Y
METAL C
OXIDE Y
OXIDE C
Data save
11 Drop-out compensation equalizer adjustment
METAL Y
METAL C
OXIDE Y
OXIDE C
12 DM RF output level adjustment
METAL Y
METAL C
OXIDE C
OXIDE Y
DNW-A22/A22P
1RV211/DM-89
1RV406/DM-89
1RV407/DM-89
1RV212/DM-89
1RV107/DM-89, 1RV108/DM-89
1RV307/DM-89, 1RV308/DM-89
1RV305/DM-89, 1RV306/DM-89
1RV105/DM-89, 1RV106/DM-89
1RV502/DM-89
1RV702/DM-89
1RV503/DM-89
1RV703/DM-89
1RV704/DM-89
1RV704/DM-89
1RV504/DM-89
A32 : DM VR 1 : EQ1 METAL-Y-A
A32 : DM VR 1 : EQ1 METAL-Y-B
A32 : DM VR 1 : EQ1 METAL-C-A
A32 : DM VR 1 : EQ1 METAL-C-B
A32 : DM VR 1 : EQ1 OXIDE-Y-A
A32 : DM VR 1 : EQ1 OXIDE-Y-B
A32 : DM VR 1 : EQ1 OXIDE-C-A
A32 : DM VR 1 : EQ1 OXIDE-C-B
A3F : NV-RAM CONTROL
1RV201/DM-89
1RV401/DM-89
1RV202/DM-89
1RV402/DM-89
1RV211/DM-89
1RV406/DM-89
1RV407/DM-89
1RV212/DM-89
Remarks
TP3/DM-89
TP7/DM-89
TP7/DM-89
TP3/DM-89
TP105/DM-89
TP305/DM-89
TP305/DM-89
TP105/DM-89
TP501/DM-89
TP8/DM-89
TP505/DM-89
TP705/DM-89 (For DNW-A22P)
TP705/DM-89 (For DNW-A22)
TP705/DM-89 (DNW-A22P only)
TP505/DM-89
VIDEO OUTPUT COMPOSITE 1
TP8/DM-89
VIDEO OUTPUT COMPOSITE 1
TP8/DM-89
TP203/DM-89
TP403/DM-89
RV202/DM-89
RV402/DM-89
TP3/DM-89
TP7/DM-89
TP7/DM-89
TP3/DM-89
6-3. DM-89 Board Replacement
(Continue)
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