Service Manuals, User Guides, Schematic Diagrams or docs for : Philips TV MG3.1A MG31A_SB_4715478054
<< Back | HomeMost service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.
Image preview - the first page of the document
>> Download MG31A_SB_4715478054 documenatation <<
Text preview - extract from the document
Block diagrams, Testpoint overviews and Waveforms MG3.1A 6. 51
6. Block diagrams, Testpoint overviews and Waveforms
Blockdiagram Supply and Deflection
+VD + DC
+VD - DC
MAINS SWITCH SUPPLY LINE
FBCSO
E B A1 A1 G
MENT
PANEL (PARTLY) 3506 DEGAUSSING
FILE-
(2 x PTC) DEFLECTION
+VD
3507 COIL
0303 DC-SHIFT
1001 0324
0201 1051 0202 0302 1 3 0304 0304 1 +13D HDEFL-
1 LIN
MAINS 1 3 4 1 1 H6.3AT 5000 RS 3468
TO/FROM
2 0224 2 HDEF-LIN 5 5
1 2 FILEMENT
RP
2 2 2 4 F 3 +VD 4 4 +VD
3 2 4 +VD DC-SHIFT
MAINS CRT 3 3
4 +VD+dc PROC
SWITCH 1002 PANEL +200D
7010 0241 TO 1007 LOT
0341 6 5 0310 5 +VD-dc 2 2 +VD+DC
50/60Hz 1 5430
6441 3443 7437
SENSING 7010 K7 1 2442 FBCSO 1 1
BYD33J +VD-DC
2,1 PROC. EHT
(CONTROL) +13V 4 0393 0393
TO CRT
2 EHT CONN.
5400 6
B11 +VBAT
3 TO/FROM
0310 FOCUS TO
+5-STANDBY +5V2 7
4 CRT PANEL
3005 7000 B12 L2 5410 L3 L4
1003 F
7001 +5V-STANDBY 1
5 L1 7421
STANDBY- STBY 1 3 VG2 TO 0334
E3.15AT ACTIVATING B14 +8V6 K1
SUPPLY 3006 6 0317
(SOPS) CIRCUIT (TUNER IF) 7409
VTUN BC547B 1
7 LINE
6101 0315 EHT - INFO
STANDBY OUTPUT
DF08M 8
5101 1 CIRCUIT 3454 3457 6452 3449
6107 +16V 2 LINE LS - CORRECTION
P1 B12 LINE DRIVE 7480
3110 BYV27-200 9
TO/FROM STP16NE06 L5 DEFLECTION
3 7 2454 2457
+5V- STANDBY 2 3481 D COIL
0315
0320 E/W-DRIVE 6
2100 P2 1 6 2104 K6 3 S 2455 DYN-PHASE CORRECTION
. 6110 1
7100 . 7103 LDP
BZX79 (VIDEO
CONTROL D -C6V8 CONTROL) 4 L6 HFB+13V
G +VS 6460
CIRCUIT 2
5 3483 3484 +13D
S VD POS 3493
TO/FROM BYV27-200
7102 STANDBY- 3 2461
0320 6 VD NEG
STP3NA60 4 SUPPLY -VS 1460
4 A4 8 6463
7 +13V-LOT
FBCSO
7484-B
5 3113 5 (AUDIO) 2A BYV27-200 2462
8 LM358N
MAIN 7 5
1 6 11
5 9 EHT - INFO
SUPPLY L7
P3 7104 DC-PROT
(RESONANCE) 7 FILEMENT
4 TCDT 1102G 3114 3456 12
6004-6007 +5V-STANDBY
2 8 7484-A
0311 LM358N 3463 3466
9 X-RAY-PROT 1 3 9 DC - FILEMENT
1 -15V-LOT
2110 6462 2466
BYV27-200 3467
5202 2
5203 6218 TO/FROM 3609
7207 3462
B3 PBV28-200/20 0311
6207 3214 B6 3
D 1220 DAC - HOP
K6
S 9
(VIDEO 4
B8 DYN-PHASE-CORR. HFB-15V
7205 T4A 3222 CONTROL)
MC34067P 5201 10 5 VFB
3215 +VS (+16V)
5241 1220 6
CONTROL 3216 11 B9 HFB
10 3224
7203 B4 7
T4A -VS (-16V)
B7 0330 HDEFL - LIN HFB -15V VFB
11 4
6222 1
B2 14
B5 7206 6 UG10DCT
14 4 6208 3524 D VD POS
1222 5205 2
15 VD NEG FRAME DEFLECTION
S +16V
+5V2 DAC-HOP
A3 3614
400mA 3 TO/FROM
16 B10 0330
12 3218 2222 DC-PROT
Vreg 4 N17
2 5242
3219 FRAME +13V - LOT
14 5 (MCS PANEL) 7600
7204 B11 DEFL. TDA 8177 2
+VS 3 VERTICAL
7211 3 5204 4 5272 6
13 5205 +5V2 DEFLECTION
MC34167T -VS F1 FLYBACK COIL
2230 7 VD POS 3613 GENERATOR
5211 1 F3
1 2 6237 - 5 5617 0325
4 2
DC/DC +11V VD NEG 7 1
3 BYV28 2236 +
THERMAL
3610 2
F2 PROTECTION LV -
6217 2211 3
10 7213
1 L4940 5271 0321 0321 FRAME
+8V6 ROTATION 4
7230 3 1 1 -15V - LOT
2210 3611 9621
7231 2 2228
6216 2215
5
12 2 2
2253 6224 +VBAT +VBAT
3227 B17 3 3 +13V - LOT
13 B15 D45BL40 +13V - LOT
+11V +11V 7440 3745 7441
+VBAT (140V) 4 4 3601 0326
B1 F4 LM358N 8 BC547B
6211 3242
15 +8V6 +8V6 3440 1
2 +VTUN (33V) 5 5 DAC-HOP 2
2223 - 1
3447
3200 +5V2 +5V2 +13V - LOT 3
1 6 6 + FROM/TO
B16 2
+13V +13D 3446 FRAME - ROT + 0326
Vreg 7 7
3237 ◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo