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OK?..manual is complet and helpfull... for repairing such a old and rare boombox like JVC PCM it is necessary...
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Super Anleitung. Ordentliche Auflösung. Das ganze noch in Deutsch wäre zu schön. Alle Datenblätter sind sauber Kopiert und alle Leitungswege sind sauber ausgeführt
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Thanks God for the internet and thanks for the service like this - proffessional solution on time.
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About the service it's very fast and reliable. About the manual the quality is high enough to read even the tiniest details on the wiring diagrams so you can't ask much more than that, let it alone for a manual of a product from 20 years ago. Thank you, very satisfied.
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The downloaded quality was as good as the orignial
Alignment and Adjustments
1-2 Cassette Deck
1-2-1 To Adjust Tape Speed
Notes 1) Measuring tape: i)(Tapes recorded with 3kHz) MTT-111 (or equivalent) ii) MTT-5512 (or equivalent) 2) Connect the cassette deck to the frequency counter as in figure 1-4.
SPK OUT output Figure 1-4 Cassette Deck Frequency Counter
1-2-2 To Adjust PlayBack Level
Notes 1) Before the actual adjustment, clean the play/recording head. 2) Measuring tape : i) MTT-114(or equivalent 10kHz AZIMUTH control) ii) MTT-112(or equivalent) : 3) The cassette deck is connections as shown in figure 1-6.
Recording /Play head
AZIMUTH control screw Figure 1-5
SET
SPK OUT
VTVM
Oscilloscope
Step
Item
Pre-Setup Condition OUT
Pre-Setup 1) Deck 1:MTT-111 2) Press PLAY SW button 3) Deck 2:MTT-5512
To Adjust
Standard
Remark
(GND)
! Adjust Deck 1 Play Level
Turn URV1 to left and right FRONT PCB 3KHz Step Item Pre-Setup Condition SPK OUT (VTVM is 1 AZIMUTH connected to the scope) Pre-Setup After putting MTT114 into Deck 1 1)Press PLAY button. To Adjust
Figure 1-6
In Out
1
NOR SPEED Control
(connected to the frequency counter)
Standard Max output and same phase (both channels)
Remark After adjustment secure it with REGION LOCK.
1) Turn the control screw to as shown in Figure 1-5.
Adjust REC Bias Voltage
Step Item REC Bias Voltage Pre-Setup Condition Connect to DCW2 as in Fig.1-7 and read the VTVM. Pre-Setup Input MTT-5512 into Deck2,then press REC button. To Adjust L-CH;DSR2 and R-CH;DSR1 to the right and left. Standard Remark See diagram for adjustment location
@ Adjust Deck 2 Play Level
Step 1 Item AZIMUTH Pre-Setup Condition SPK OUT (VTVM is connected to the scope) Pre-Setup After putting MTT114 into Deck 2 1)Press PLAY button. To Adjust 1) Turn the control screw to as shown in Figure 1-5. Standard Max output and same phase (both channels) Remark After adjustment secure it with REGION LOCK.
1
6V
VTVM SET
Oscilloscope
IN
UCW2
Figure 1-7 Samsung Electronics 1-3
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