Adjustment; Adjustment Items And Location; Necessary Adjustment Points - Pioneer DV-37 Service Manual

DV-37, DV-S77, DV-S737, DV-737, DV-737-K

6. ADJUSTMENT

6.1 ADJUSTMENT ITEMS AND LOCATION

Adjustment Points (PCB Part)
E
DVDM ASSY
2
VR1831
CN103
1
1 : XZNRON1
2 : XANRH1
3 : CLMP1
4 : GNDD
5 : Y
6 : GNDD
28
7 : C
8 : GNDD
9 : V-12D
10 : GNDD
11 : V+12D
12 : GNDD CN122
13 : CR(I/P)
IC806
14 : GNDD
15 : CB(I/P)
16 : GNDD
17 : Y(I/P)
18 : GNDD
19 : XCOMP
3
20 : CLMP2
21 : XANRH2
VC951
22 : XANRON2
23 : V_SEL2
24 : V_SEL1
25 : LETTER
IC951
26 : SQUEEZ
27 : 525P
28 : NC(VOFF)
CN120
IC251
CN512
CN101

6.3 NECESSARY ADJUSTMENT POINTS

When
Exchange PCB Assy
Exchange board
DVDM ASSY
58
CN104
1
VR1001
IC1001
IC1003
CN112
IC801
CN111
IC712
IC702
IC601
IC201
IC603
CN105
SIDE A
Mechanical
Adjustment Items
[Electrical Part]
Y Level Adjustment
1
Component Y Level Adjustment
2
27MHz Clock Adjustment
3
6.2 JIGS AND MEASURING
INSTRUMENTS
Screwdriver (small)
Frequency counter
Display digit
Adjustment Points
point
Electric
point
Note : 1,2 and 3 is adjusted already.
CH1
(X)
Dual-trace oscilloscope
(with delay)
Frequency band
8-digit
TV monitor
CH2
(Y)
40MHz