Magnavox 19MF301B Service Manual Page 82
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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10-17
B12
D3040
1SS400TE61
D3045
OPEN
P-ON+5V
D3049
OPEN
A10NU
D9NU
4.7K
R3456
D3053
OPEN
Q3034
2SC4081UBTLQ
4.7K
R3321
C8NU
0.1C3195
B9NU
OPEN
R3364
1
2
3
45
6
7
8
IC3012
AT24C02C-SSHM-T
A0
A1
A2
GND SDA
SCL
WP
VCC
10K
R3358
B11
OPEN
R3377
A12
C10
B14VGA-VSYNC
A16IF-AGC
D10NU
D8
A14VGA-HSYNC
0
R3284
C9
A11NU
D3050
OPEN
C11
B10NU
4.7K
R3455
Q3012
2SK3018T106
A9
D3054
OPEN
P-ON+3.3V
0
R3285
100
R3343
C7
0.1
C3211
100
R3339
1
2
3
4
5
14
13
12
11
15
6
7
8
9
10
JK3001(REAR)
PC-RGB-IN
Q3011
2SK3018T106
1
2
34
VCC
GND
5
IC3013
74LVC1G126GW
0
R3286
EDID-WPB
10K
R3310
10K
R3347
0.1C3196
100
R3376
1
2
34
VCC
GND
5
IC3014
74LVC1G126GW
OPEN
R3356
D1NU
4.7K
R3326
D3055
OPEN
0.1C3194
JK3701(REAR)
75
R3701
39P
C3701
0
R3401
0
R3402
39P
C3702
75
R3702
75
R3703
39P
C3703
100K
R3705
100K
R3704
1
C3704
18K
R3706
1
C3705
18K
R3707
OPEN
C3711
OPEN
R3716
OPEN
R3718
Q3703
OPEN
0
R3720
D3041
OPEN
0.1C3201
0.01C3198
0.1C3200
0.1C3199
0
R3403
0.1C3286
0.1
C3197
0.1C32852.2
C3335
1C3336
AUDIO(L)-IN
AUDIO(R)-IN
D3027
1SS400TE61
2SC4081UBTLQ
Q3701
1
C3706
10K
R3712
JK3702(REAR)
0.1
C3708
10K
R3711
110
R3708
1
C3707
0
R3710
220
R3709
100P
C3709
COMP-DET
56PC3289
56PC3288
56PC3287
75C3291
75C3292
75C3293
OPEN
R3361
L3024
OPEN
0
R3194
OPEN
C3225
OPEN
R3360
L3023
OPEN
OPEN
C3177
OPEN
C3226
0
R3353
OPEN
C3242
0
R3338
0
R3354
OPEN
R3368
0
R3337
OPEN
C3243
2.7K
R3202
L3022
OPEN
OPEN
R3369
0.1
C3178
OPEN
C3235
18K
R3205
SDA T12
TU3401 TUNER UNIT
1
+3.3V
2
GND
3
SDA
4
SCL
5
IF-AGC
6
DIF-OUT1
7
DIF-OUT2
0
R3418
L3401
2.2uH
10
C3401
0.1
C3407
10P
C3410
OPEN
C3408 D3401
OPEN
OPEN
R3407
0.1
C3409
0.1C3402
0.1C3403
10P
C3411
100P
C3404
OPEN
R3417
D3404
OPEN
SCL R12
IC3005(2/5)
R8A05011BG-U0
*1
22R3206
22R3207
OPEN
C3176
OPEN
C3175
4.7K
R3204
4.7K
R3203
D3403
OPEN
33P
C3406
D3402
OPEN
33P
C3405
F14VGA-SDA
G14VGA-SCL
0.1
C3214
OPEN
C3272
OPEN
C3271
4.7K
R3192
4.7K
R3193
Q3702
OPEN
0
R3719
OPEN
R3714
OPEN
R3717
OPEN
C3710
SPDIF
100
R3296
100
R3298
OPEN
C3713
OPEN
R3715
OPEN
C3712
OPEN
R3713
WF2
WF3
WF1
WF4
100K
R3412
OPEN
C3413
D3405
1SS400
4.7K
R3410
P-ON-H1
2K
R3411
OPEN
C3412
30K
R3413
12345
IC3401
BD7820FP-E2
CTL
VCC
GND
OUT
C
PROTECT1
OPEN
R3414
4
JI
3
2
L
1
GH K
(SWITCHING)
DIGITAL
SIGNAL
PROCESS
TO DIGITAL
MAIN 1
IC3005(1/5)
TO DIGITAL
MAIN 5
IC3005(5/5)
(MEMORY)
(BUFFER GATE)
(BUFFER GATE)
CONTINUE
DIGITAL 4
(BUFFER)
(BUFFER)
DIGITAL SIGNAL PROCESS
/MAIN MICRO CONTROLLER
A/D
CONVERTER
DEMODULATOR
/MPEG
DECODER
AUDIO(L)-IN
AUDIO(R)-IN
COMPONENT
-Pr-IN
COMPONENT
-Pb-IN
COMPONENT-Y
/VIDEO-IN
DIGITAL
AUDIO-OUT
(COAXIAL)
4.3
(BUFFER)
9.2
3.8
CONTINUE
DIGITAL 3
CONTINUE
DIGITAL 5
CONTINUE
DIGITAL 5
SW
TO DIGITAL
MAIN 5
IC3005(5/5)
DIGITAL MAIN CBA UNIT
(+3.3V REG.)
Digital Main 2 Schematic Diagram [TYPE A]
FL11.0SCDA2
The order of pins shown in this diagram is different from that of actual IC3005.
IC3005 is divided into five and shown as IC3005 (1/5) ~ IC3005 (5/5) in this Digital Main Schematic Diagram Section.
1 NOTE:
- SERVICE MANUAL 1
- IMPORTANT SAFETY NOTICE 2
- TABLE OF CONTENTS 3
- SPECIFICATIONS 4
- < AUDIO > 5
- IMPORTANT SAFETY PRECAUTIONS 6
- Precautions during Servicing 8
- Safety Check after Servicing 9
- STANDARD NOTES FOR SERVICING 10
- Example : 12
- <Incorrect> 13
- <Correct> 13
- [TYPE A] 14
- [2] Rear Cabinet 15
- [1] Stand Assembly 15
- 4-3 FL11.0-A_DC 16
- TV Cable Wiring Diagram 17
- 4-7 FL11.0-B_DC 20
- 4-11 FL11.0-C_DC 24
- Test Equipment Required 26
- 1. Purity Check Mode 27
- 2. VCOM Adjustment 27
- 3. White Balance Adjustment 28
- HOW TO INITIALIZE THE LCD TV 29
- FIRMWARE RENEWAL MODE 30
- Software Upgrade 31
- TROUBLESHOOTING 32
- 8-2 FL11.0ATR 33
- 8-3 FL11.0ATR 34
- [Video Signal Section] 35
- [Audio Signal Section] 36
- 8-7 FL11.0BTR 38
- 8-8 FL11.0BTR 39
- 8-9 FL11.0BTR 40
- 8-11 FL11.0BTR 42
- 8-13 FL11.0BTR 44
- 8-14 FL11.0BTR 45
- 8-16 FL11.0CTR 47
- BLOCK DIAGRAMS 50
- 2. Video/Audio Block Diagram 51
- FL11.0ABLVA 51
- FL11.0ABLD 52
- 4. Inverter Block Diagram 53
- FL11.0ABLINV 53
- FL11.0ABLP 54
- 5. Power Supply Block Diagram 54
- FL11.0BBLS 55
- 9-7 FL11.0BBLV 56
- 2. Video Block Diagram 56
- 3. Audio Block Diagram 57
- FL11.0BBLA 57
- FL11.0BBLD 58
- 5. Inverter Block Diagram 59
- FL11.0BBLINV 59
- FL11.0BBLP 60
- 6. Power Supply Block Diagram 60
- FL11.0CBLS 61
- FL11.0CBLVA 62
- FL11.0CBLD 63
- FL11.0CBLBD 64
- FL11.0CBLP 65
- Standard Notes 66
- Indicates that the voltage 67
- FL11.0SCMA1 68
- FL11.0SCMA2 69
- FL11.0SCMB1 70
- FL11.0SCMB2 71
- FL11.0SCMB3 72
- FL11.0SCMB4 73
- FL11.0SCMC 74
- FL11.0SCJB 75
- FL11.0SCFA 76
- FL11.0SCFB 77
- FL11.0SCFC 78
- FL11.0SCIRA 79
- FL11.0SCIRC 80
- FL11.0SCLC 80
- FL11.0SCDA1 81
- FL11.0SCDA2 82
- FL11.0SCDA3 83
- FL11.0SCDA4 84
- FL11.0SCDA5 85
- FL11.0SCDB1 86
- FL11.0SCDB2 87
- FL11.0SCDB3 88
- FL11.0SCDB4 89
- FL11.0SCDB5 90
- FL11.0SCDB6 91
- FL11.0SCDC1 92
- FL11.0SCDC2 93
- FL11.0SCDC3 94
- FL11.0SCDC4 95
- FL11.0SCDC5 96
- BA17N5F01011 97
- Main CBA Top View [TYPE A] 97
- Main CBA Bottom View [TYPE A] 98
- Main CBA Top View [TYPE B] 99
- BA01NDF01014 99
- Main CBA Bottom View [TYPE B] 100
- BA1170F0101 1 101
- F601 4A/125V 102
- BA01NDF0102 3 A 103
- BA01NDF01023 104
- WAVEFORMS 105
- [TYPE B] 106
- WIRING DIAGRAM 107
- [TYPE C] 109
- FL11.0CWI 109
- EXPLODED VIEWS 110
- Cabinet [TYPE B] 111
- Cabinet [TYPE C] 112
- Packing [TYPE A] 113
- Packing [TYPE B] 114
- Packing [TYPE C] 115
- Mechanical Parts 116
- Electrical Parts 117
- 2011/05/11 14-3 A17N7EL.fm 118
- 2011/05/11 14-4 A17N7EL.fm 119
- 2011/05/11 14-5 A17N7EL.fm 120
- 2011/05/11 14-12 A17N2EL.fm 127
- 2011/05/11 14-13 A17N2EL.fm 128
- 2011/05/11 14-14 A17N2EL.fm 129
- JACK ASSEMBLY 130
- FUNCTION CBA 131
- 2011/05/11 14-17 A17N2EL.fm 132
- 2011/05/11 14-20 A11N5EL.fm 135
- REVISION HISTORY 136
- COMPARISON LIST OF MODEL NAME 137
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