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I am a vintage hifi collector. No way to fix that device without the appropriate service manual...thanks to your site I got it and every thing is easier now. I got the manual right after ordering: fast cheap accurate ... thank you
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Wonderful job clear. Qick fantastic. These people are really good. If even a problem arise they are wonderful assisting you. These scheme is so net despite this is a very old TV. Thank you for everything!!!!!!!!
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Detailed schematic diagram, manual for professionals
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Good service manual,exploded view,adjusment and test point locations,head alignment,mechanical checks and adjusments,all perfect.
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Block diagram,play rec block diagram,adjusments, it's a very good well done repair 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
Samsung Electronics
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