Memorex MT1132A Schematic

MT1132A
SERVICE MANUAL
COLOR TELEVISION RECEIVER
ORIGINAL
MFR’S VERSION A
Design and specifications are subject to change without notice.
MT1132A
SER VICE MANUAL
ORIGINAL 2
MFR’S VERSION P
MFR’S VERSION
A F
K P A34JXV70X53N45
PCB010
TMX494A
TMX494B
TECC1040PG32D
Pleas file the revision with the original version.
TU001
NJH3022U268
V801
A34AGT13X98(L)
Change of CRT
ELECTRICAL REPLACEMENT PARTS LIST
MFR'S VERSION K MFR'S VERSION P
REF. NO.
! 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's are not interchangeable.
PART NO. DESCRIPTION PART NO. DESCRIPTION
MAIN PCB ASS'Y (VERSION K) TMX494B
A3J804C010
MAIN PCB ASS'Y (VERSION K) TMX494B
SPEC.NO.
O/R NO.
M3J8-12C
K193004
MT1132A
SER VICE MANUAL
ORIGINAL 1
MFR’S VERSION F, K
MFR’S VERSION
A F
K
PCB010
TMX494A
TMX494B
TUNER
NJH3022U268
TECC1040PG32D
Design and specifications are subject to change without notice.
ELECTRICAL ADJUSTMENTS
(MFR'S VERSION K)
2. BASIC ADJUSTMENTS
2-1: RF AGC DELAY
1.
Place the set with Aging Test for more than 15 minutes.
2.
Receive the VHF HIGH (63dB).
3.
Connect the digital voltmeter to R606.
4.
Activate the adjustment mode display of Fig. 1-1 and press the channel button (02) on the remote control to select "RF AGC DELAY".
5.
Press the VOL. UP/DOWN button on the remote control until the digital voltmeter is 2.7 ± 0.05V.
ELECTRICAL REPLACEMENT PARTS LIST
PCB VERSION UP
MFR'S VERSION A MFR'S VERSION F
REF. NO.
PCB010 A3J812A010 MAIN PCB ASS'Y (VERSION A) TMX494A A3J812A010 MAIN PCB ASS'Y (VERSION F) TMX494B
MAIN PCB's are interchangeable.
PART NO. DESCRIPTION PART NO. DESCRIPTION
Change of TUNER
MFR'S VERSION F MFR'S VERSION K REF. NO. ! 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.
PART NO. DESCRIPTION PART NO. DESCRIPTION
SPEC.NO.
O/R NO.
M3J8-12A
K163004
MICON/TUNER
200mV 5ms/div
2
0.5V 20µs/div
WAVEFORMS
61
0.5V 20µs/div
200mV 20µs/div
7
1V 20µs/div
11
1V 20µs/div
12
200mV 20µs/div
200mV 5ms/div
4
CHROMA
5
0.5V 2ms/div
20V 20µs/div3
8
200mV 20µs/div
9
0.5V 5ms/div
10
1V 20µs/div13
DEFLECTION/CRT
0.5V 5ms/div
14
20V 20µs/div
15
NOTE: The following waveforms were measured at the point of the corresponding
balloon number in the schematic diagram.
H-1
WAVEFORMS
16 2V 20µs/div 21 50V 20µs/div
200V 20µs/div
17
22 50V 20µs/div
SOUND/AV
23
10V 5ms/div18
0.5V 1ms/div
26 500mV 20us/div
19
10V 5ms/div
50V 20µs/div
20
1V 1ms/div24
25 500mV 1ms/div
NOTE: The following waveforms were measured at the point of the corresponding
balloon number in the schematic diagram.
H-2
MECHANICAL EXPLODED VIEW
108
203
203
L503
203
J801
PCB110 (CRT PCB)
FB401
110
201
201
111
112
107
201
201
201
204
V801
103
202
203
J352
104
202
105
204
109
TU001
110
110
204
PCB010 (MAIN PCB)
202
106
102
SP351
101
I-1
MECHANICAL REPLACEMENT PARTS LIST
REF. NO. PART NO. DESCRIPTION
101 A3J812A720CABINET,FRONT ASS'Y 102 701WPJB186CABINET,FRONT 103 713WPAA020GUIDE,REMOCON 104 735WPAA122BUTTON,FRAME 105 735WPAA121BUTTON,HOLDER 106 735WPA0396SPEAKER,HOLDER 107 726000A016SHEET,CRT SERVICEMAN 108 741WUA0019SPRING,EARTH 109 800WQ00044FELT SHEET 5x50xT0.5
110 --- HEAT SINK 111 702WPAA134CABINET,BACK 112 722A08A072SHEET,RATING
201 8117540A64SCREW,TAPPING (B0) TRUSS 4x16 202 8110630A04SCREW,TAP TITE (P) BRAZIER 3x10 203 8121J50B54SCREW,TAPPING (B0) GW20 5x28 204 8109I30A04 SCREW,TAP TITE(B) WH7 3x10
--- JB5U0200 POLY & BAG
--- J3J81201 INSTRUCTION BOOK
--- J4C80417 REGISTRATION CARD
--- 793WCDA919GIFT BOX
--- 791WHA0023LAMIFILM BAG
--- 792WHAA018PACKAGE,BOTTOM
--- 792WHAA019PACKAGE,TOP
J1-1
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