Emerson EWC1902 Service Manual Page 44
- Page / 92
- Table of contents
- BOOKMARKS
Rated. / 5. Based on customer reviews
V1
V2
V3
V4
W1
W2
W3
W4
X1
X2
X3
X4
Y1
Y2
Y3
Y4
Z1
Z2
Z3
Z4
V5
W5
X5
Y5 Z5
AA5
AA4
AA3
AA2
AA1
BB5
BB4
BB3
BB2
BB1
PB Video SignalREC Video Signal
1-9-12
1-9-13 1-9-14 T7300SCM4
Main 4/4 Schematic Diagram
NOTE :
THE VOLTAGE FOR PARTS IN HOT CIRCUIT IS MEASURED USING
HOT GND AS A COMMON TERMINAL.
CAUTION !
Fixed voltage power supply circuit is used in this unit.
If Main Fuse (F601) is blown, check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
CRT
Ref No. Position
Q501 AA-5
Q502 AA-4
Q503 AA-4
CL501A Z-5
CL504A Z-5
CN501 BB-4
CONNECTORS
TRANSISTORS
MAIN 4/4
Ref No. Position
IC551 V-5
IC601 Z-2
IC602 X-3
Q571 X-5
Q572 X-5
Q591 X-4
Q601 AA-2
Q602 AA-2
Q604 Z-2
Q605 Y-2
Q606 Y-3
Q607 X-2
Q608 W-2
Q609 X-2
Q610 X-2
Q611 W-1
Q612 W-2
J551 Y-4
J552 Y-4
CL501 Z-5
CL504 Z-5
CN571 W-5
CN601 BB-2
VR601 Z-2
ADJUSTMENT
CONNECTORS
TEST POINTS
ICS
TRANSISTORS
VOLTAGE CHART (Power off mode)
Ref. No. S D G
Q601 0.0 137.0 1.8
Ref. No. E C B
Q602 0 3.2 0.5
Q605 0 7.0 0
Q606 7.0 7.0 7.0
Q608 5.0 7.5 5.7
Q609 6.0 6.5 6.6
Q610 0.7 4.7 1.3
Q611 0 2.4 0
Q612 5.3 5.3 0.8
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE.
ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES
D'INCELE N'UTILISER QUE DES FUSIBLE DE MEMO TYPE.
RISK OF FIRE-REPLACE FUSE AS MARKED.
"This symbol means fast operating fuse."
"Ce symbole reprèsente un fusible à fusion rapide."
4A/125V
- SERVICE MANUAL 1
- IMPORTANT SAFETY NOTICE 2
- MAIN SECTION 3
- SPECIFICATIONS 4
- <AUDIO> 5
- IMPORTANT SAFETY PRECAUTIONS 6
- Precautions during Servicing 8
- Safety Check after Servicing 9
- STANDARD NOTES FOR SERVICING 10
- Tweezers 11
- Soldering Iron 11
- Presolder 12
- Flat Pack-IC 12
- Instructions for Handling 13
- Semiconductors 13
- PREPARATION FOR SERVICING 14
- 1 92 3 4 5 6 7 8 15
- 1011 1412 15
- [1] Rear Cabinet 17
- [2] Tray Chassis 17
- [4] Main CBA 17
- [3] Deck Unit 17
- 1-6-2 T7300DC 18
- 1-6-3 T7300DC 19
- 1-6-4 T7300DC 20
- 1-6-5 T7300DC 21
- Fig. 1-1 22
- Remote control unit (Bottom) 22
- 3. TV AGC Adjustment 23
- 4-1. H Adjustment 23
- 4-2. C-Trap Adjustment 23
- 4-3. Y DL Time Adjustment 24
- 5. V. Size Adjustment 24
- 6. V. Shift Adjustment 24
- PATTERN GENERATOR 25
- RF INPUT 25
- 9. Sub-Brightness Adjustment 26
- 10. Focus Adjustment 26
- 12. CCS Text Box Location 26
- 13.Purity Adjustment 27
- 14. Convergence Adjustment 27
- BLOCK DIAGRAMS 29
- Video Block Diagram 30
- Audio Block Diagram 31
- Chroma/Tuner Block Diagram 32
- CRT/H.V. Block Diagram 33
- HOT COLD 34
- MECHANICAL TROUBLE INDICATOR 35
- Countermeasure for Mechanical 36
- Malfunction 36
- Repair method #1 37
- Repair method #2 38
- Repair method #3 38
- Repair method #4 38
- Standard Notes 39
- T7300SCM1 41
- 1-9-6 1-9-7 1-9-8 T7300SCM2 42
- T7300SCM3 43
- Main 4/4 Schematic Diagram 44
- Main CBA Top View 45
- Sensor CBA 45
- Top View 45
- (START-SENSOR) 45
- Main CBA Bottom View 46
- CRT CBA Top View 47
- CRT CBA Bottom View 47
- Z11WF1-10-1 1-10-2 48
- WIRING DIAGRAM 49
- SYSTEM CONTROL TIMING CHARTS 50
- IC PIN FUNCTION DESCRIPTIONS 52
- LEAD IDENTIFICATIONS 54
- DECK MECHANISM 55
- STANDARD MAINTENANCE 56
- A/C Head 57
- J-1-1, J-1-2 58
- Cam Gear 59
- LDG Belt (B) 59
- Incorrect 61
- Waveform 62
- Erase Head 62
- OF DECK MECHANISM 63
- [20],[23] 63
- Lead with 66
- Blue Stripe 66
- Lead with White Stripe 67
- Fig. DM11 68
- Fig. DM12 68
- Fig. DM14 69
- Fig. DM13 69
- Fig. DM15 70
- Fig. DM16 70
- Fig. DM17 70
- Fig. DM18 70
- Alignment 3 72
- Cam Gear (A), Rack Assembly 72
- EXPLODED VIEWS AND 73
- PARTS LIST SECTION 73
- EXPLODED VIEWS 74
- 3-1-3 T7300PEX 75
- DECK EXPLODED VIEWS 76
- Deck Mechanism View 2 77
- Deck Mechanism View 3 78
- MECHANICAL PARTS LIST 79
- CRT Warning Label 80
- CRT Type No 80
- ELECTRICAL PARTS LIST 81
- 20020205 3-3-2 T7300EL 82
- 20020205 3-3-3 T7300EL 83
- 20020205 3-3-4 T7300EL 84
- 20020205 3-3-5 T7300EL 85
- 20020205 3-3-6 T7300EL 86
- 20020205 3-3-7 T7300EL 87
- 20020205 3-3-8 T7300EL 88
- 20020205 3-3-9 T7300EL 89
- SENSOR CBA 90
- DECK PARTS LIST 91
- B359 CLEANER LEVER B361 91
- Type ID No. ID No 91
- A 0VM304413 0VM411114 91
- B 0VM305090 Not used 91
- Printed in Japan 92
- 2002-02-20 HO 92
© 2020, manymanuals.com. All rights reserved. | 0.271 s |
Manymanuals.com
Manymanuals.de
Manymanuals.fr
Manymanuals.it
Manymanuals.pl
Manymanuals.cz
Manymanuals.es
Manymanuals-pt.com
Comments to this Manuals