Samsung MAX-939 - 1-2 Cassette Deck Adjustments

1-2-1 To Adjust Tape Speed
* Measuring tape: i) MTT-111 (or equivalent)
(Tapes recorded with 3kHz)
ii) MTT-5512 (or equivalent)
Notes
SPEED
Control
1
2
MTT-111N
(3KHZ)
MTT-111
(3KHZ)
3 kHZ ±1%
Fig. 1-5
Fig. 1-5
-
5200~6600Hz
Check
Remark
Standard
Figure
Adjust
Point
Item
Step
Tape
UVR2(COMMON)
DVR3(Only
MAX909/910/916)
No
Adjustment
HI SPEED
Control
Azimuth
1
MTT-113CN
8KHZ
Fig. 1-7
Output:Maximum
Remark
Standard
Figure
Adjust
Point
Item
Step
Tape
Adjustment
screw of HEAD
L,R
Unbalance
1
2
MTT-112B
(1KHZ)
MTT-5512
±0.5dB
Fig. 1-6
Fig. 1-6
SPEAKER
VTVM (A-DECK)
60KHZ±1KHZ
(Only MAX909/910/916)
85KHZ±1KHZ(COMMON)
DCW4
Remark
Frequency
Range
Figure
Adjust
Point
Item
Step
Tape
DVR4
DL4
Record
Frequency
1-2 Cassette Deck
Alignment and Adjustments
2-2
Samsung Electronics
Pre-
Setup
Press play
button after
puting tape into
the Deck1
Pre-
Setup
Press Rec button
after connecting
(Fig1-6)
Pre-
Setup
Rec Bias
Voltage
1
MTT-5512
(3KHZ)
7V±0.5V
Connect to MWF6 from
AC Meter.
Remark
Votage
Range
Adjust
Point
Item
Step
Tape
SVR1
SVR2
Pre-
Setup
- Adjust SPEED Control
- Adjust Record Frequency
- Adjust Azimuth
- Adjust Rec Bias Voltage
Fig1-8. Adjustment location of Deck Part
3 kHZ ±1%
Fig. 1-5
Front PCB
Main PCB