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VERY GOOD SERVICE.FAST ANS VERY HONEST PRICE .RHAANK HERNAN
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Thanks to this service manual I repaired my old camcorder! The manual perfectly explains how to disassemble the camcorder step by step.
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This manual is very useful because it presents the technical specifications of the cd player, including the manufacturer of the reader, this helps if you need to replace it. It also displays the settings and layout of the circuit.
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Manual was a good representation of service infomation for the EWV404. It worked well for my repair.
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Great quality copy, right what I was looking for, all I need to fix my radio.
Thanks
Alignment and Adjustments
2. Cassette Deck
2-1. To Adjust Tape Speed
Notes 1) Measuring tape: i) MTT-111 (or equivalent) (Tapes recorded with 3kHz) ii) MTT-5512 (or equivalent) 2) Connect the SPK OUT of the MAIN PCB to the frequency counter as in figure 1-5.
MAIN PCB SPK OUT output Figure 1-5 Frequency Counter
2-2. To Adjust PlayBack Level/REC
Notes 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.
Step
Item
Pre-Setup Condition
Pre-Setup 1) Deck 1:MTT-111 2) Press PLAY SW button 3) Deck 2:Same as above
To Adjust
Standard
Remark
1. Adjust Deck 1 Play Level
Turn VSR1 to left and right (FRONT PCB) 3KHz ±1% range Step Item Pre-Setup Condition Pre-Setup After putting MTT AZIMUTH SPK OUT (VTVM is connected to the scope)
MAIN PCB
SPK OUT
VTVM
1
NOR SPEED Control
SPK OUT (connected to the frequency counter)
To Adjust
Standard
Remark
114N into Deck 1 - Press FWD PLAY button.
1
Recording /Play head Oscilloscope
- T the control urn screw to as shown in Figure 1-6.
Max output and same phase (both channels)
After adjustment secure it with REGION LOCK.
(GND)
In Out Figure 1-7
2. Adjust Deck 2 Play Level/ REC BIAS
Step Item Pre-Setup Condition
SPK OUT
AZIMUTH control screw
(RVS Play)
AZIMUTH control screw
(FWD Play)
Pre-Setup After putting MTT 114N into Deck 2 - Press FWD PLAY button.
To Adjust
Standard
Remark
Figure 1-6
1 AZIMUTH
(VTVM is connected to the scope)
- T the control urn screw to as shown in Figure 1-6.
MAX OUTPUT and same phase (both channels)
After adjustment secure it with REGION LOCK.
Audio OSC.
SET (MAIN PCB)
VTVM
Oscilloscope
After putting MTT -
2
IN AUX IN TP SPK OUT
Recording Bias Voltage
5512 into Deck 2 Fig 1-8
1) Press REC PLAY button. 2) T APE PCB JCW3 ,connected
- T JSR2L,JSR2R urn to the right and left
CHECK TO 7mV(±0.5mV)
IN OUT
to VTVM
Figure 1-8
Samsung Electronics
1-3
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