Samsung MAX-J530 Service Manual page 5

2. Cassette Deck
2-1. To Adjust Tape Speed
Notes
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 PCB to the fre-
quency counter as in figure 1-5.
Pre-Setup
Step
Item
Condition
1) Deck 1:MTT-111
SPK OUT
NOR 2) Press PLAY
1
(connected
SPEED
SW button
Control
to the frequency
3) Deck 2:Same
counter)
as above
Recording /Play head
AZIMUTH control screw AZIMUTH control screw
(RVS Play) (FWD Play)
Figure 1-6
SET
(MAIN PCB)
Audio OSC.
IN
AUX IN
Samsung Electronics
MAIN PCB
SPK OUT
Figure 1-5
To Adjust Standard
Pre-Setup
Turn VSR1 to
3KHz
left and right
(FRONT PCB)
Oscilloscope
VTVM
MAIN PCB
SPK OUT
(GND)
In Out
Figure 1-7
VTVM Oscilloscope
TP
SPK OUT
IN OUT
Figure 1-8
2-2. To Adjust PlayBack Level/REC
Notes
Frequency Counter
1) Before the actual adjustment, clean the play/recording
head.
2) Measuring tape :
output
i) MTT-114N(or equivalent 10kHz AZIMUTH control)
ii) MTT-5512
3) The cassette deck is connections as shown in figure 1-7.
Remark
1. Adjust Deck 1 Play Level
±1%
range
Step Item
AZIMUTH
1
2. Adjust Deck 2 Play Level/ REC BIAS
Step Item
1
AZIMUTH
Recording
2
Bias
Voltage
Pre-Setup
Pre-Setup
To Adjust
Condition
After putting MTT -
- T urn the control
SPK OUT
114N into Deck 1
screw to as shown
(VTVM is
- Press FWD PLAY
in Figure 1-6.
connected to
button.
the scope)
Pre-Setup
To Adjust
Pre-Setup
Condition
After putting MTT -
SPK OUT
114N into Deck 2
(VTVM is con-
- T urn the control
- Press FWD PLAY
screw to as shown in
nected to the
Figure 1-6.
button.
scope)
After putting MTT -
5512 into Deck 2
- T urn JSR2L,JSR2R
Fig 1-8
1) Press REC PLAY button.
to the right and left
2) T APE PCB JCW3 ,connected
to VTVM
Alignment and Adjustments
Standard
Remark
After
Max output
adjustment
and same phase
secure it with
(both channels)
REGION
LOCK.
Standard Remark
After adjust-
ment secure
MAX OUTPUT
it with
and same phase
REGION
(both channels)
LOCK.
CHECK TO
7mV(±0.5mV)
1-3