Sony SLV-D900E / SLV-D900G (serv.man2) Service Manual ▷ View online
SERVICE MANUAL
SUPPLEMENT-1
File this supplement with the service manual.
Subject: Addition of Adjustments.
(03-009)
SLV-D900E/D900G
RMT-V503
AEP Model
SLV-D900E
UK Model
SLV-D900G
3-1
SLV-D900E/D900G
3. VCR Alignment and Adjustments
3-1 Reference
1) X-Point (Tracking center) adjustment, “Head switching adjustment” can be adjusted with remote control.
2) When replacing the VCR Main PCB Micom (IC601) and NVRAM (IC605 ; EEPROM) be sure to adjust the “Head switching adjustment”.
3) When replacing the cylinder ass’y, be sure to adjust the “X-Point” and “Head switching adjustment”.
4) How to adjustment.
- Press the “TEST” botton on Main PCB/Function PCB to set the adjustment mode.
-. If the corresponding adjustment botton is pressed, the adjustment is performed automatically
-. If the adjustment is completed. be sure to turn the power off
3-1-1 Location of adjustment button of remote control
Fig. 3-1
X-Point (Tracking Center)
Adjustment ; "5"
Head Switching
Adjustment ; "SP/LP"
3-2
3-1-2 TEST location for adjustment mode setting
Fig. 3-2 Function-Timer PCB (Top View)
TEST (SW709) BUTTON
3-3
Test point :
W568 (Audio Output)
W569 (Envelope)
W570 (H’D S/W -Trigger)
W571 (Control Pulse)
W569 (Envelope)
W570 (H’D S/W -Trigger)
W571 (Control Pulse)
Fig. 3-3 Location of Test point (VCR Main PCB-Top View)
AUDIO OUTPUT
CONTROL PULSE
HEAD SWITCHING
ENVELOPE
W572
W571
W570
W569
W568
W567
3-2 VCR Deck Mechanical Adjustment
Note : Refer to the Mechanical Manual “TS-10 (P/N: 9-921-790-11)” for the adjustment and confirmation of ass’y
full deck.
3-2-1 The number and position of test point
3-2-2 ACE Head position (X-Point) Adjustment
(See the 2-2-1(d) ACE Head Position (X-Point) Adjustment
on page 2-2 of the Mechanical Manual)
on page 2-2 of the Mechanical Manual)
1) Playback the alignment tape (Color bar).
2) Press the “TEST” botton on F/Timer PCB to set the
2) Press the “TEST” botton on F/Timer PCB to set the
adjustment mode. (See Fig. 3-2)
3) Press the “5” button of remote control then
adjustment is operated automatically. (See Fig. 3-1)
3) Connect the CH-1 probe to W569 (Envelope) the
CH-2 probe to W570 (H’D switching pulse) and
then trigger to CH-1.
then trigger to CH-1.
5) Insert the (-) driver into the X-Point adjustment
hole and adjust it so that envelope waveform is
maximum.
maximum.
6) Turn the Power of
f.
