Pioneer PDR-04 - Manual (Page 47)

PDR-04
Step Item Test Point Adjustment Location
16 Fine WBL Offset Adjustment CN104 (TP1), Pin 5 (WBL) VR108 (WBL OFS)
17 WBL Focus Offset Adjustment CN104 (TP1), Pin 5 (WBL) VR115(WFE. OFS)
18 Recording Power Adjustment CN104 (TP1), Pin 7 (PWAJT) VR104 (REC. PW)
19 HF Amp. Gain Adjustment CN104(TP1), Pin8(HF) VR119(HF. GAIN)
20 Focus Servo Loop Gain Adjustment
CN204 (TP201), Pin 5 (FCSIN)
CN204 (TP201), Pin 6 (FCSER)
VR201 (FCS. GAIN)
21 Tracking Sen^o Loop Gain Adjustment
CN204 (TP201), Pin 2 (TRKER)
CN204 (TP201), Pin 3 (TRKIN)
VR202 (TE. GAIN)
SERVO UCOM BOARD ASSY
- CN5021 (TPOO)
1: ACT ERR
2: ACT IN
3: V+5A
11,
CN5021
(TPOO)
VR202
TE.GAIN
VR201
FCS.GAIN Vg)
HEAD BOARD ASSY
VR105
FE.OFS
VR103
PB-PW
VR10|
ACT.GAlN|
VR1
ACT.OFS
CNIO 4 O I
(TP1)
/^VR110
SSiMS.Mix
^VR112 LJ
SaTE.OFS
VR111
TE.GAIN
VR108
WBL.OFS
VR119 \
|@)||(^HFGAINn\
VR115»^I^
WFE.OFS VR107
WBL+OFS
nx
VR104
^REC.PW
CN204 (TP201)
1:RF
2: TRKER
3: TRKIN
4: A G N O
5: FCSIN
6; FCSER
nn
____ «_____ nn
a
^ VR301
VCO CON
GND m CN331
VCOIN loj (TP30)
AUDIO DIGITAL BOARD ASSY
CN104 (TP1)
1:STE
2: MSTE
3: TE
4: A G N O
5: WBL
6: RWBL
7: PWAJT
8: HF
VR106
WBL BALANCE
— CN3506
1 : G N D
2 ; 3T OUT
3 : 3T IN
4 :SEFM
5 : EFM IN
6 : MPLS
1
CN3506
VR3502
EFM DLYtSSi
o
VR3503
3TDLY
CN3502
IVR3501
Isa MPLS DLY
STRATEGY SMALL BOARD ASSY
Fig. 1 Adjustment points
47