JVC CA-MXGB5, Service Manual

Page: 34 / 85

1-34 (No.MB160)
4.2 Cassette Deck
4.2.1 To adjust tape speed
(GND)
VTVM
1) Measuring tape: i) MTT-111 (or equivalent)
(Tapes recorded with 3kHz)
ii) MTT-5512 (or equivalent)
2) Connect the SPK OUT of the main board to the fre-
quency counter as in Fig.5.
Notes
NOR
SPEED
Control
1
SPK OUT
(connected
to the frequency
counter) Turn FSR01 to
left and right
(Front board)
3kHz
Remark Standard To Adjust Pre-Setup Item Step
Pre-Setup
Condition
1) Deck 1:MTT-111
2) Press PLAY
SW button
3) Deck 2:Same
as above
Main board
output
SPK OUT
Frequency Counter
Fig.5
SPK OUT
Fig.7
In Out
Main board
Oscilloscope
±1%
range
Fig.8
Audio OSC.
SET
(Main board)
Oscilloscope
AUX IN
VTVM
IN
SPK OUT
IN OUT
TP
Fig.6
Recording /Play head
AZIMUTH control screw
(RVS Play)
AZIMUTH control screw
(FWD Play)