Adjustment Items And Location; Necessary Adjustment Points - Marantz DV12 Service Manual

3.3 GENERAL INFORMATION
ADJUSTMENT

1 ADJUSTMENT ITEMS AND LOCATION

Adjustment Points (PCB Part)
E
DVDM ASSY
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
CN121
12 : GNDD
13 : CR(I/P)
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

3 NECESSARY ADJUSTMENT POINTS

When
Exchange PCB Assy
Exchange board
DVDM ASSY
CN104
2
1
VR1831
VR1001
IC1001
IC1003
IC806
IC801
IC712
IC702
IC601
IC201
IC603
CN101
CN105
SIDE A
Adjustment Items
[Electrical Part]
Y Level Adjustment
1
Component Y Level Adjustment
2
27MHz Clock Adjustment
3
2 JIGS AND MEASURING
INSTRUMENTS
CN112
CN111
Screwdriver (small)
Frequency counter
Display digit
Adjustment Points
Mechanical
point
Electric
point
Note : , and
3-20
Dual-trace oscilloscope
(with delay)
Frequency band
8-digit TV monitor
are adjusted already.
CH1 CH2
(X) (Y)
40MHz