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Manual acquired with good resolution, complete in all its pages, very good policy of the folder where are saved all products purchased.
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Service manual very complete and clear. It was very helpfull for my work.
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This is the 2nd time I download manuals from this website and I can say it's what I was expecting. It contains schematic, layout (decent quality), short description, parts and dissasembly instructions. I recomend it for anyone who wants to repair/modify this device.
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Very useful Service Manual! With it I was able to identify the damaged pots in my old amplifier, purchase the adequate replacements and make myself the repair.
I have again my old amplifier, still a very good one that I will keep for as many years as I can!
Thanks to Owner Manuals!
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Good price for the manual and easy to locate on the site and download. Plus, just like the original. Thanks a lot.
Alignment and Adjustments
1-2 Cassette Deck
1-2-1To Adjust Tape Speed
Notes 1) Measuring tape: i) MTT-111 (or equivalent) (Tapes recorded with 3kHz) ii) MTT-5512 (or equivalent) iii) MTT-112B (or equivalent) 2) Connect the cassette deck to the frequency counter as in figure 1-5. Pre-Setup Condition OUT (connected to the frequency counter) as above
Cassette Deck SPK OUT output Figure 1-5 Frequency Counter 1) Before the actual adjustment, clean the play/recording head. 2) Measuring tape : i) MTT-114N(or equivalent 10kHz AZIMUTH control) ii) MTT-5512 3) The cassette deck is connections as shown in figure 1-7.
1-2-4 To Adjust PlayBack Level/REC
Notes
Step
Item
Pre-Setup 1) Deck 1:MTT-111
To Adjust
Standard
Remark
1. Adjust Deck 1 Play Level
Step Item AZIMUTH Pre-Setup Condition SPK OUT (VTVM is connected to the scope) SPK OUT (VTVM is connected to the scope) Pre-Setup After putting MTT114N into Deck 1 - Press FWD PLAY button. After putting MTT112 into Deck 1 - Press FWD PLAY button. To Adjust - Turn the control screw to as shown in Figure 1-6. Standard Max output and same phase (both channels) Remark After adjustment secure it with REGION LOCK.
1
NOR SPEED Control
2) Press PLAY SW button 3) Deck 2:Same
Turn USR1 to left and right (FRONT PCB)
3KHz
±1% range
1
1-2-2. Adjust REC Bias Voltage
2 Step Item REC Bias Voltage Pre-Setup Condition Connect to JCW3 as in Fig.1-8 and read the VTVM. Pre-Setup Input MTT-5512 into Deck2,then press REC button. Step To Adjust Turn JL1 to the right and left.
105KHz±0.5KHz
Play back out Level1
- L-CH ; Turn JSR1L - R-CH ; Fixed
Max output and same phase (both channels)
Standard
Remark MAIN PCB
1
2. Adjust Deck 2 Play Level/REC BIAS
Item Pre-Setup Condition SPK OUT AZIMUTH (VTVM is connected to the scope) Pre-Setup After putting MTT114N into Deck 2 1)Press FWD PLAY button.
After putting MTT5512 into Deck 2
To Adjust
Standard
Remark After adjustment secure it with REGION LOCK.
1-2-3. Adjust L,R UNBALANCE
1 Step Item L,R UNBALANCE Pre-Setup Condition Connect to JCW3 as in Fig.1-8 and read the VTVM. Pre-Setup Input MTT-112B into Deck2,then press PLAY button. To Adjust Turn JSR2R to the right and left. Standard Remark MAIN PCB 2 Recording Bias Voltage
- Turn the control screw to as shown in Figure 1-6.
Max output and same phase (both channels)
1
±0.5dB
Fig 1-8
1)Press REC PLAY button. 2)MAIN PCB JCW3, connectted to VTVM SET (MAIN PCB)
LINE OUT IN TP JCW3
Turn JSR2L,JSR2R to the right and left
7mV(±0.5mV)
Recording /Play head Cassette Deck
SPK OUT
VTVM
Oscilloscope
Audio OSC.
VTVM
Oscilloscope
(GND)
In Out Figure 1-7
AUX IN
IN OUT
AZIMUTH control screw Figure 1-6
Figure 1-8 Samsung Electronics
1-2
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