Samsung MAX-ZS990, MAX-ZS950, MAX-ZS940 Service Manual

3 CD CHANGER

MINI MINI COMPONENT

MAX-ZS990/ZS950/ZS940

SERVICE Manual

MIMI MIMI COMPONENT SYSTEM	CONTENTS
1.	Alignment and Adjustments
2.	Exploded Views and Parts List
3.	Electrical Parts List
4.	Block Diagrams
5.	Wiring Diagram
6.	Schematic Diagrams

- Confidential -

©Samsung Electronics Co.,Ltd. JAN. 2004 Printed in Korea

Code no. AH68-01383M

1. Alignment and Adjustments
1-1. Tuner
FM THD Adjustment		Output	FM
			Antenna	SET
SSG FREQ.		GND
	98 MHz		Terminal		Oscilloscope
Adjustment		FM S.S.G		Input
point	FM DETECTOR COIL		Speaker
(FM DET)
			Terminal
				output	Input
Output	60 dB
				Distortion Meter
Minumum Distortion (0.4% below)
(Figure 1-1)		Figure1-1	IF CENTER and THD Adjustment
FM Search Level Adjustment
SSG FREQ.	98 MHz		28 dB	FM Antenna
Adjustment	BEACON			SET
point
	SENSITIVITY		GND
(SVR1)	SEMI-VR(10KΩ )	FM S.S.G		FM IN
Output	28 dB(±2dB)

* Adjustment Location of Tuner PCB

20 kΩ

Adjust SVR1

(Figure 1-2)

*Adjust FM S.S.G level to 28dB

ITEAM

AM(MW) OSC

AM(MW) RF

LW OSC

LW RF

Figure1-2

FM Auto Search Level Adjustment

Adjustment

Adjustment

Adjustment

Adjustment

Received FREQ.

522~1611 KHz

594 KHz

146~290 KHz

150 KHz

Adjustment

MO

MA

LO

LA

point

AM(MW) I.F Adjustment

60cm

Maximum

Maximum

2~7.0±0.5V

1~7.0±0.5V

Output

Output(Fig1-4)

SSG FREQ.

Output(Fig1-4)

450 kHz

AM IF

Frequency

522 kHz

OUTPUT

AM ANT

IN

Adjustment

AM IF

point

AM SSG

Speaker Terminal

450KHZ

Maximum output (Figure 1-3)

INPUT

OUTPUT

VTVM

Oscilloscope

Figure1-3 AM I.F Adjustment

Fig 1-4 OSC Voltage

Samsung Electronics

1-1

Alignment and Adjustments

1-1-2 AM(MW),LW,SW1,SW2 Adjustment

		Circuit	Measuring Instrument &	Step	S.S.G	Radio dial	Adjusting	Adjust for
		to be	Arrangement		Frequency	Setting	Point
		Adjusted
				1	522KHz	522KHz	MW OSC	Adjust for 1.0V±0.1V at the low.
		OSC	Connect AM signal					(IR117)
			generator to loop
			antenna,VTVM AND
			oscilloscope	2	1611KHz	1611KHz	MW OSC	Check for 7.0V±1.0V at the high.
			(Fig 1-3)					(IR117)
AM
(MW)
		RF	“	1	594KHz	594KHz	MW ANT	Maximum out
		INTER FREQ	“	1	455KHz	522KHz	TL2	Maximum out
		OSC	Fig 1-3	1		146KHz	LW OSC	Adjust for 2.0V±0.1V at the low.
LW				2		290KHz	LW OSC	Check for 7.0V±1.0V at the high.
		RF		1	150KHz	150KHz	LW ANT	Maximum out
		OSC	Fig 1-3	1		2.3MHz	SW1 OSC	Adjust for 1.0V±0.1V at the low.
SW1				2		7.3MHz	-	Check for 8.5V±1.0V at the high.
		RF		1	3.5MHz	3.5MHz	SW1 ANT	Maximum out
		OSC	Fig 1-3	1		9.5MHz	SW2 OSC	Adjust for 1.5V±0.1V at the low.
SW2				2		26.1MHz	-	Check for 8.0V±1.0V at the high.
		RF		1	10MHz	10MHz	SW2 ANT	Maximum out

1-2	Samsung Electronics

Alignment and Adjustments

2. Cassette Deck

2-1. To Adjust Tape Speed

Notes	MAIN PCB	Frequency Counter
1) Measuring tape: i) MTT-111 (or equivalent)
(Tapes recorded with 3kHz)	SPK OUT

ii) MTT-5512 (or equivalent)

output

2) Connect the SPK OUT of the MAIN PCB to the fre-

quency counter as in figure 1-5.

Figure 1-5

Step

Item

Pre-Setup

Pre-Setup

To Adjust

Standard

Remark

Condition

1)

Deck 1:MTT-111

SPK OUT

2)

Press PLAY

NOR

±1%

1

(connected

Turn VSR1 to

SPEED

SW button

left and right

3KHz

range

Control

to the frequency

3)

Deck 2:Same

(FRONT PCB)

counter)

as above

Recording /Play head

AZIMUTH control screw	AZIMUTH control screw
(RVS Play)	(FWD Play)

MAIN PCB	VTVM	Oscilloscope
SPK OUT
(GND)	In Out
	Figure 1-7

Figure 1-6

SET		VTVM	Oscilloscope
(MAIN PCB)
Audio OSC.
IN	TP
AUX IN	SPK OUT	IN OUT

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.

1.Adjust Deck 1 Play Level

Step

Item

Pre-Setup

Pre-Setup

To Adjust

Standard

Remark

Condition

After putting MTT-

-Turn the control

SPK OUT

114N into Deck 1

After

screw to as shown

Max output

(VTVM is

- Press FWD PLAY

adjustment

in Figure 1-6.

and same phase

AZIMUTH

1

secure it with

connected to

button.

(both channels)

REGION

the scope)

LOCK.

2. Adjust Deck 2 Play Level/ REC BIAS

Step

Item

Pre-Setup

Pre-Setup

To Adjust

Standard

Remark

Condition

SPK OUT

After putting MTT-

After adjust-

(VTVM is con-

114N into Deck 2

1

ment secure

- Turn the control

MAX OUTPUT

nected to the

- Press FWD PLAY

screw to as shown in

and same phase

it with

AZIMUTH

REGION

scope)

button.

Figure 1-6.

(both channels)

LOCK.

After putting MTT-

5512 into Deck 2

Recording

2

CHECK TO

Fig 1-8

- Turn JSR2L,JSR2R

Bias

1) Press REC PLAY button.

to the right and left

7mV(±0.5mV)

Voltage

2)TAPE PCB JCW3 ,connected

toVTVM

Figure 1-8

Samsung Electronics

1-3

2.Exploded Views and Parts List

2-1-1 Cassette Deck :ADR268FTW1 (OPTION)

No.	Code No.	Description	Specification	Remarks
	AH59-01146A	DECK-CASSETTE	ADR268FTW1
1	AH81-01030A	ASSY R/P HEAD	TR56R-AA2N1	MT91-11012W
2	AH81-01033A	ASSY P/B HEAD	DZK10P-122N3	MT91-11013C
3	AH81-00422A	ASSY MOTOR	ADR246DSW	MT91-15013Y
4	AH81-00364A	BELT MAIN1	ADR246DSW	6602-001056
5	AH81-00365A	BELT MAIN2	ADR246FTW	6602-001010
6	AH81-00101A	BELT SUB	34.1*1.1*1.1	6602-001055
7	AH81-00102A	SOLENOID	DAT-05A1	MT75-00049A

2-1	Samsung Electronics

2-1-2 Cassette Deck :ADR268AMW1 (OPTION)

2	1

7

7

6

6

5

4

3

No.	Code No.	Description	Specification	Remarks
	AH59-01145A	DECK-CASSETTE	ADR268AMW1
1	AH81-00368A	ASSY R/P HEAD	ADR2400 (SANKYO)	MT91-11010T
2	AH81-00141B	ASSY P/B HEAD	MK10P-AA2N3	MT59-00041V
3	AH81-00363A	ASSY MOTOR	ADR246DSW	MT91-15012J
4	AH81-00364A	BELT MAIN1	ADR246DSW	6602-001056
5	AH81-00365A	BELT MAIN2	ADR246DSW	6602-001057
6	AH81-00101A	BELT SUB	34.1*1.1*1.1	6602-001055
7	AH81-00102A	SOLENOID	DAT-05A1	MT75-00049A

Samsung Electronics

2-2

2-2 Total Exploded View and Parts List

2-3	Samsung Electronics

* Parts List of Total Exploded view

No.	Code No.	Description	Specification	Q’ty	REMARK
1	AH64-02601B	CABINET-FRONT	MIPS D/GRAY	1	2 MIC ,NO RDS
	AH64-02601D	CABINET-FRONT	MIPS-D/GRAY	1	NO MIC ,WITHIN RDS
2	AH61-01436B	CAP-CD,OPEN	MIPS L/GRAY	1	SILVER
3	AH64-02617B	KNOB-CD.OPEN	ABS L/GRAY	1	COMMON
4	AH64-02609B	DOOR-CD	ABS D/GRAY	1	COMMON
5	AH64-02610F	CAP-DOOR,CD	ABS BLUE	1	MAX-ZS990
	AH64-02610G		ABS BLUE		MAX-ZS950
6	AH64-70003K	BADGE-BRAND	ABS L35	1	COMMON
7	AH61-01437B	DECO-FRONT	ABS BLUE	1	COMMON
8	AH63-00653A	SHEET-VFD	PC 0.4T	1	COMMON
9	AH64-02612C	WINDOW-VFD	PMMA BLUE	1	MP3
10	AH61-01433C	CAP-FRONT	MIPS L/GRAY	1	MP3
11	AH61-01434B	CAP-DOOR-CASS,A	MIPS L/GRAY	1	2 AUTO-REVERSE
	AH61-01434C		MIPS L/GRAY		1 AUTO-REVERSE
12	AH61-01435B	CAP-DOOR-CASS,B	MIPS L/GRAY	1	COMMON
13	AH64-02607B	DOOR-CASS.A	ABS D/GRAY	1	COMMON
14	AH64-02608B	DOOR-CASS.B	ABS D/GRAY	1	COMMON
15	AH67-00231B	DECO-LENS,JOG	ABS NATURAL	1	COMMON
16	AH63-00544A	SHEET-JOG	3M TAPE	1	COMMON
17	AH64-02625B	KNOB-JOG	ABS D/GRAY	1	COMMON
18	AH67-00240A	LENS-JOG	PMMA MILKY	1	COMMON
19	AH64-02624B	KNOB-SOUND.SEL	ABS NATURAL	1	COMMON
20	AH67-00234A	LENS-SOUND,SEL	PMMA MILKY	1	COMMON,ZS990
	AH67-00234B		PMMA L/BLUE		BLUE COLR,ZS990
21	AH67-00230B	CAP-JOG	MIPS D/GRAY	1	COMMON
	AH67-00230C		MIPS D/GRAY		LATIN
22	AH64-02623B	KNOB-VOLUME	ABS NATURAL	1	COMMON
23	AH67-00241A	LENS-VOLUME	PMMA MILKY	1	COMMON ,ZS990
	AH67-00241B		PMMA L/BLUE		BLUE COLR,ZS990
24	AH64-02279B	KNOB-MIC	ABS L/GRAY	1	COMMON (NO EUR)
25	AH67-00238A	LENS-POWER	PMMA MILKY	1	COMMON
26	AH64-02620B	KNOB-POWER	ABS L/GRAY	1	COMMON
27	AH64-02621B	KNOB-ECHO	ABS L/GRAY	1	COMMON (NO EUR)
28	AH64-02619B	KNOB-TUNING	ABS L/GRAY	1	COMMON
29	AH64-02613A	HOLDER-VFD	ABS BLACK	1	COMMON
30	AH64-02614A	HOLDER-FUNCTION	ABS WHITE	1	COMMON
31	AH67-00237B	LENS-FUNCTION	PMMA MILKY	1	COMMON
32	AH64-02618B	KNOB-DEMO	ABS D/GRAY	1	COMMON

No.	Code No.	Description	Specification	Q’ty	REMARK
33	AH67-00235B	LENS-P.SOUND	PMMA RED	1	COMMON
34	AH64-02615A	HOLDER-P.SOUND	ABS WHITE	1	COMMON
35	AH61-01440A	HOLDER-LENS.JOG	ABS WHITE	1	COMMON
36	AH67-00232A	HOLDER-LENS.VOL	ABS WHITE	1	ZS990
37	AH61-01438A	HOLDER-SELECT	ABS WHITE	1	ZS990
38	AH64-02622B	KNOB-ENTER	ABS L/GRAY	1	COMMON
39	AH61-01439A	HOLDER-PSYCHE	ABS WHITE	1	COMMON
40	AH67-00233B	LENS-PSYCHE	PMMA MILKY	1	COMMON
41	AH67-00242B	LENS-MAX.BASS	PMMA MILKY	1	COMMON (MAX,BASS)
	AH67-00242C		PMMA MILKY		COMMON (S.BASS)
42	AH61-00552A	SPRING-EJECT,L	STS 1.0	1	COMMON
43	AH61-00553A	SPRING-EJECT,R	STS 1.0	1	COMMON
44	AH61-80030A	DAMPER-GEAR	ASS.Y	2	COMMON
45	AH95-50001A	LATCH-ASS`Y	ASS.Y	2	COMMON
46	AH64-02603A	CABINET-SIDE.L	MIPS D/GRAY	1	COMMON
47	AH64-02606A	CABINET-BOTTOM	SEC 1.2T	1	COMMON
48	AH64-02604A	CABINET-SIDE.R	MIPS D/GRAY	1	COMMON
49	AH61-40014A	SUPPORT-RIVET	ABS ASS’Y	3	COMMON
50	AH61-00021B	SUPPORT-PCB	ABS BLK	3	COMMON
51	AH63-00662A	COVER-PCB	PC 0.5T	1	COMMON
52	AH65-30010A	CLAMP-WIRE	DABL-2,-,-,-,-	1	COMMON
53	AH62-00100A	HEAT-SINK,TR	AL 3.0T	1	COMMON
54	AH61-01442A	SUPPORT-PCB.POWER ABS D/GRAY		1	COMMON
55	AH61-00685A	BRKT-PCB	SECC 1.0T	1	COMMON
56	AH62-00102A	HEAT-SINK,POWER	AL 2.0T	1	ZS940
57	AH61-01444A	BRKT-H/S,L	SECC 1.2T	1	COMMON
58	AH61-01445A	BRKT-H/S,R	SECC 1.2T	1	COMMON
59	AH62-00101A	HEAT-SINK,M	AL EXTR	1	ZS990
	AH62-00080K		AL EXTR		ZS990
60	AH64-02605E	CABINET-REAR	MIPS D/GRAY	1	ZS940/EXP
	AH64-02605J		MIPS D/GRAY		ZS940/EUR
	AH64-02605K		MIPS D/GRAY		ZS990/EXP
	AH64-02605L		MIPS D/GRAY		ZS990/EUR
61	AH64-02602A	CABINET-TOP	MIPS D/GRAY	1	COMMON

Samsung Electronics

2-4

2-3 CD Deck Exploded View and Parts list

No.

Code No.

Description

Specification

Remarks

AH59-00164B

ASS’Y-DECK

G3HI-3CD/VCD

1

AH66-80022A

SLIDER-CAM

ABS HF-380 NTR

2

AH66-60034A

BELT-LOAD

CR

AH66-20186A

GEAR-PULLEY

POM (M90-44) WHT

3

4

AH66-20187A

GEAR-LOAD

POM (M90-44) BLK

5

AH66-20188B

GEAR-CAM

POM (M90-44) WHT

6

AH66-20189B

GEAR-TRAY

POM (M90-44) BLK

7

AH66-20190B

GEAR-CONVERT

POM (M90-44) WHT

8

AH66-20191A

GEAR-SYNCRO

ABS HF-380 NTR

9

AH66-20192A

GEAR-WORM

POM(M90-44),M0.5,PCD4.5

10

AH31-12001A

MOTOR-LOADING

FF-030PN-09120

AH66-20193A

GEAR-ROULLETE

POM(M90-44) BLK

11

12

AH63-00324A

TRAY-ROULLETE

ABS XR-401 BLK

13

AH63-00325A

TRAY-DISC

ABS BLK

14

AH32-10001F

SENSOR

KPI-L06

AH61-00837A

BASE-MAIN

ABS,NATURAL,CMS-300

15

16

3302-000159

MAGNET

AC,3500-3800G,2.6-3.2MGOe,30

17

AH63-90053A

TABLE-CHUCK

,ABS,+GF20%,BLK,

18

AH63-00068B

SHEET-CHUCK

SHEET,HYMERON,BLK,0.4T

19

3405-000101

SWITCH -MICRO

MLS-24

20

AH31-10021A

MOTOR-DC

RF-500TB,9VDC/130MA

21

AH66-10008A

PULLEY-MOTOR

POM,BLK,CMS-CR3

22

AH73-10031A

RUBBER-CD(R)

SI,CMS-300,40,RED

23

AH91-60150C

CDP DECK ASSY

CMS-D73SG6U

24

AH66-30098A

LEVER-LIFTER

ABS BLK CMS-300

25

AH30-00007A

PICK-UP

SOH-AD3

26

AH73-10034A

RUBBER-CD(G)

SI,CMS-300,40,GREEN

27

AH92-00922A

ASS’Y PCB CD MAIN

28

AH61-00225A

BRKT-CHUCK

SECL 0.8t

2-5	Samsung Electronics