Samsung MAX-WS750 User Manual

1-1Samsung Electronics
1. Alignment and Adjustments
1-1.Tuner
FM THD Adjustment
Output
Output
28 dB(±2dB)
60 dB
Minumum Distortion (0.4% below)
(Figure 1-1)
SSG FREQ.
Adjustment
point
(FM DET)
98 MHz
FM DETECTOR COIL
FM Search Level Adjustment
Adjust SVR1 (Figure 1-2)
Figure1-2 FM Auto Search Level Adjustment
*Adjust FM S.S.G level to 28dB
Figure1-1 IF CENTER and THD Adjustment
SSG FREQ.
Adjustment
point
(SVR1)
98 MHz
BEACON
SENSITIVITY
SEMI-VR(10KΩ)
FM S.S.G
GND
28 dB
FM S.S.G
Output
GND
Speaker
Terminal
FM
Antenna
Terminal
Distortion Meter
Input
SET
Input
output
Oscilloscope
FM IN
FM Antenna
SET
20 kΩ
OUTPUT
AM SSG
450KHZ
INPUT
AM ANT
IN
Speaker Terminal
60cm
AM IF
VTVM Oscilloscope
AM(MW) I.F Adjustment
Maximum output (Figure 1-3)
SSG FREQ.
Frequency
Adjustment
point
450 kHz
522 kHz
AM IF
Figure1-3 AM I.F Adjustment
OUTPUT
* Adjustment Location of Tuner PCB
Fig 1-4 OSC Voltage
AM(MW) OSC
Adjustment
Output
1~7.0±0.5V
Received FREQ.
Adjustment
point
522~1611 KHz
MO
AM(MW) RF
Adjustment
ITEAM
594 KHz
MA
Maximum
Output(Fig1-4)
LW OSC
Adjustment
146~290 KHz
LO
2~7.0±0.5V
LW RF
Adjustment
150 KHz
LA
Maximum
Output(Fig1-4)
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Samsung MAX-WS750 Specifications

General

Brand	Samsung
Model	MAX-WS750
Category	CD Player
Language	English

Summary

Alignment and Adjustments

Tuner Alignment Procedures

Detailed steps for aligning FM, AM, MW, LW, and SW bands.

FM THD Adjustment

Procedure for adjusting Total Harmonic Distortion (THD) for FM.

FM Search Level Adjustment

Procedure for adjusting the FM auto search level.

AM/LW IF Adjustment

Procedure for adjusting the AM and LW Intermediate Frequency.

AM/MW/LW/SW OSC and RF Adjustments

Table detailing OSC and RF adjustments for AM, MW, LW, and SW bands.

Cassette Deck Operations

Tape Speed Adjustment

Procedure for adjusting the tape speed of the cassette deck.

Playback and Recording Level Adjustments

Procedures for adjusting playback and recording levels for decks.

Deck 1 Play Level Adjustment

Deck 2 Play Level and REC BIAS Adjustment

Printed Circuit Board Layouts

5-1 Main PCB Layout

5-2 Front PCB Layout

5-3 Amplifier PCB Layout

5-4 Tuner PCB Layout

System Block Diagrams

4-1 Main System Block Diagram

4-2 CD Mechanism Block Diagram

Electrical Parts List

Component Listing (A-Z, R)

List of electrical components with code numbers and specifications.

Component Listing (C)

Component Listing (D, F, IC, J, Q, T, TR, W, Z)

Component Listing (PC, PR)