SAMSUNG MAX900
Service Manual

Alignment and Adjustments

1-2 Cassette Deck

1-2-1 To Adjust Tape Speed
Notes * Measuring tape: i) MTT-111 CN(or equivalent) (Tapes recorded with 3kHz) ii) MTT-5512 (or equivalent)
output Speaker Terminal Frequency Counter
VTVM

Cassette Deck
SP2 SPEAKER

Oscilloscope

SET VH (GND)

In Out Figure 1-5

- Adjust SPEED Control Step Item SPEED Control Tape MTT-111N (3KHZ) PreSetup
Press play button after puting tape into the Deck1

Figure 1-4

Adjust Point SVR3

Standard

Figure

Remark A&B Deck deviation : 60Hz

1

3 kHZ ±1%

Fig. 1-4

Recording /Play head

2

HI SPEED Control

MTT-111 (3KHZ)

Press play button after puting tape into the Deck1

No Adjustment

-

Fig. 1-4

5200~6600Hz Check
AZIMUTH control Figure 1-6

- Adjust Record Frequency Step 1 Item Tape PreSetup
Press Rec button after connecting (Fig1-5) Press Rec button after connecting (Fig1-5)

Adjust Point SVR4 SFT1

Frequency Range ±5dB
60KHZ±1KHZ(MAX900) 85KHZ±1KHZ(MAX920)

Figure Fig. 1-5

Remark SPEAKER VTVM (A-DECK) SP2

L,R MTT-112B Unbalance (1KHZ) Record Frequency MTT-5512

2

Fig. 1-5

- Adjust Azimuth PreSetup
Press Play button after puting tape into the Deck1

Step

Item

Tape

Adjust Point Adjustment screw of HEAD

Standard Figure

Remark

1

Azimuth

MTT-111CN

8KHZ

Fig.1-4 Fig. 1-6

Output:Maximum

- Adjust Rec Bias Voltage(Only MAX920 Model) Step Item Rec Bias Voltage Tape MTT-5512 (3KHZ) PreSetup
Press Rec button after puting tape into the Deck1

Adjust Point SVR1 SVR2

Votage Range 7V±0.5V

Remark Connete to MWF6 from AC Meter.

1

2-2

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