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
K
F
MFR’S VERSION
A
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
K
F
MFR’S VERSION
A
PCB010
TMX494B
TMX494A TUNER
TECC1040PG32D
NJH3022U268

ELECTRICAL ADJUSTMENTS
2. BASIC ADJUSTMENTS
2-1: RF AGC DELAY
1.
2.
3.
4.
5.
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
2
5
WAVEFORMS
0.5V 20µs/div
200mV 5ms/div
200mV 5ms/div
4
0.5V 2ms/div
200mV 20µs/div
7
9200mV 20µs/div
CHROMA
0.5V 5ms/div
10
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
23
10V 5ms/div18
10V 5ms/div
19 1V 1ms/div24
50V 20µs/div
20
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