Sony TC-K6 - Section 3 Adjustments; Mechanical Adjustments

3-1.
TC-K6/K6B
TC-K6/K6B |
SECTION 3
ADJUSTMENTS
MECHANICAL ADJUSTMENTS
PRECAUTION
Clean the following parts with a denatured-
alcohol-moistened swab:
record/playback head pinch roller
erase head rubber belts
capstan idlers
Demagnetize the record/playback head with a
head demagnetizer.
Do not use a magnetized screwdriver for the
adjustments.
After the adjustments, apply a suitable locking
compound to the parts adjusted.
The adjustments should be performed with the
rated power supply voltage unless otherwise
noted.
Tape Path Adjustment
— Playback Mode —
1. Make an adjustment cassette as shown below.
@1 a ®
—>
SSX
C-120 Cut out hatched
tape cassette portions.
2. In playback mode and viewing from the front,
adjust the head heights to eliminate tape curl
and tape twist at arrowed portions.
erase head record/playback head
ial
3-513-237-01 (t=0.1)
3-513-237-11 (t=0.2)
\
Shim,
head
height
adjustment
screwdriver
Playback Tension Torque Adjustment
— Playback Mode —
Use the type CQ-102A cassette torque meter.
supply reel spindle
Change the hooking
position.
back-tension
lever
Specification: 2—4.5 g-cm (0.03—0.06 oz-inch)
Forward Torque Adjustment
— Playback Mode —
1. Place the type CQ-102A cassette torque meter
in the set.
Change the position of the adjustment spring
catch.
Specification: 28—55 g-cm (0.39—0.77 oz-inch)
take-up reel spindle
adjustment spring catch
-Approx. 8g-cm wi ee +Approx. 8g:cm
adjustment spring catch (0,12 oz-inch) (0.12 oz: inch)
Reference Data
Pinch Roller Pressure: 310—390g (11—140z)