Memorex MT1132A User manual

SERVICE MANUAL

Design and specifications are subject to change without notice.

COLOR TELEVISION RECEIVER

MT1132A

ORIGINAL

MFR’S VERSION A

SERVICE MANUAL

Pleas file the revision with the original version.

COLOR TELEVISION RECEIVER

MT1132A

ORIGINAL 2

MFR’S VERSION P

MFR’S VERSION

PCB010

TMX494B

TMX494A

TU001

TECC1040PG32D

NJH3022U268

V801

A34AGT13X98(L)

PA34JXV70X53N45

Change of CRT

PART NO. DESCRIPTION PART NO. DESCRIPTION

! V801 098Q1404B2 CRT W/DY A34AGT13X98(L) 098Y1404B9 CRT W/DY A34JXV70X53N45

! R429 R655812R7J R,FUSE 2.7 OHM 1W R655812R2J R,FUSE 2.2 OHM 1W

C804 CS0KB04K2K CC 270 PF 50V B CS0KB04L2K CC 330 PF 50V B

C805 CS0KB04K2K CC 270 PF 50V B CS0KB04L2K CC 330 PF 50V B

C806 CS0KB04K2K CC 270 PF 50V B CS0KB04L2K CC 330 PF 50V B

! CP401 069X450029 CONNECTOR PCB SIDE B05B-DVS 069D450049 CONNECTOR PCB SIDE TD-50-5P

PCB010 A3J812A010 MAIN PCB ASS'Y (VERSION K)

TMX494B A3J804C010 MAIN PCB ASS'Y (VERSION K)

TMX494B

MAIN PCB's are not interchangeable.

ELECTRICAL REPLACEMENT PARTS LIST

REF. NO.

MFR'S VERSION K MFR'S VERSION P

M3J8-12C

K193004

SPEC.NO.

O/R NO.

SERVICE MANUAL

Design and specifications are subject to change without notice.

COLOR TELEVISION RECEIVER

MT1132A

ORIGINAL 1

MFR’S VERSION F, K

MFR’S VERSION

PCB010

TMX494B

TMX494A TUNER

TECC1040PG32D

NJH3022U268

ELECTRICAL ADJUSTMENTS

2. BASIC ADJUSTMENTS

2-1: RF AGC DELAY

Place the set with Aging Test for more than 15 minutes.

Receive the VHF HIGH (63dB).

Connect the digital voltmeter to R606.

Activate the adjustment mode display of Fig. 1-1 and

press the channel button (02) on the remote control to

select "RF AGC DELAY".

Press the VOL. UP/DOWN button on the remote

control until the digital voltmeter is 2.7 ±0.05V.

(MFR'S VERSION K)

PCB VERSION UP

PART NO. DESCRIPTION PART NO. DESCRIPTION

PCB010 A3J812A010 MAIN PCB ASS'Y (VERSION A) TMX494A A3J812A010 MAIN PCB ASS'Y (VERSION F) TMX494B

MAIN PCB's are interchangeable.

Change of TUNER

PART NO. DESCRIPTION PART NO. DESCRIPTION

! TU001 0145W00052 TUNER,VHF-UHF NJH3022U268 0145K00055 TUNER,VHF-UHF TECC1040PG32D

R622 R903N8121J RC 120 OHM 1/8W R903N8271J RC 270 OHM 1/8W

PCB010 A3J812A010 MAIN PCB ASS'Y (VERSION F) TMX494B A3J812A010 MAIN PCB ASS'Y (VERSION K) TMX494B

MAIN PCB's are interchangeable.

REF. NO.

ELECTRICAL REPLACEMENT PARTS LIST

MFR'S VERSION F MFR'S VERSION K

MFR'S VERSION A MFR'S VERSION F

REF. NO.

M3J8-12A

K163004

SPEC.NO.

O/R NO.

MICON/TUNER

61 0.5V 20µs/div

WAVEFORMS

0.5V 20µs/div

200mV 5ms/div

0.5V 2ms/div

200mV 20µs/div

9200mV 20µs/div

CHROMA

0.5V 5ms/div

11 1V 20µs/div

12 1V 20µs/div

1V 20µs/div13

820V 20µs/div3200mV 20µs/div

DEFLECTION/CRT

14 0.5V 5ms/div

15 20V 20µs/div

H-1

NOTE: The following waveforms were measured at the point of the corresponding

balloon number in the schematic diagram.

16 2V 20µs/div 21 50V 20µs/div

200V 20µs/div

17 22 50V 20µs/div

SOUND/AV

0.5V 1ms/div

10V 5ms/div18

10V 5ms/div

19 1V 1ms/div24

50V 20µs/div

NOTE: The following waveforms were measured at the point of the corresponding

balloon number in the schematic diagram.

H-2

25 500mV 1ms/div

WAVEFORMS

26 500mV 20us/div

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