Ctl Head Position Check And Adjustment - Sony SRW-5000 Maintenance Manual

6-6. CTL Head Position Check and Adjustment

Precaution
The CTL head position adjustment is closely related to the AT head position adjust-
ment.
Be sure to confirm the AT head position after adjusting the CTL head position.
Tools
. Alignment tape HR2-1B:
. Oscilloscope (Tektronix TDS3054B or equivalent)
Preparation
1. Set the Alignment Tape
(1) Turn off the power.
(2) Set the alignment tape HR2-1B and put a
weight (about 1 kg) onto it.
(3) Turn on the power.
2. Connect the Oscilloscope
Connect the oscilloscope as follows:
CH-1: TP35/EQ-94 board
(REC CG ENV signal)
CH-2: TP11/EQ-94 board
(SWP11 signal)
TRIG: TP200/SS-95 board (SV REF signal)
Oscilloscope setting:
CH-1: 200 to 300 mV/DIV
CH-2: 5 V/DIV
TRIG: 5 V/DIV
TIME: 2 ms/DIV
6-24
8-960-076-41
. Connection of the oscilloscope
CH-1: TP35/EQ-94 board (REC CG ENV signal)
CH-2: TP11/EQ-94 board (SWP11 signal)
TRIG: TP200/SS-95 board (SV REF signal)
<EQ-94 board, side A>
A
1
2
<SS-95 board, side A>
A
1
C D E F G H
B
B C D E F G
TP200
Preparation
K L M
J N P
TP35
TP11
H J K L M N P
SRW-5000/5500