VESTEL 17MB15 User Manual Page 72
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- TROUBLESHOOTING
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No. 0234
MAIN BOARD CIRCUIT - SHEET 4
MP7722
IC601
1 NC1
2REF1
3 IN1
4 AGND1
5 NC2
6EN1
7 IN2
8REF2
9 AGND2
10 EN2 11NC3
12BS2
13VDD2
14SW2
15PGND2
16NC4
17BS1
18VDD1
19SW1
20PGND1
AMPLIFIER_R
AMPLIFIER_L
12k
R603
12k
R604
10k
R612
10k
R611
AMP_24V
AMP_24V
50V
10u
C611
50V
10u
C615
50V
3n3
C621
50V
2n2
C622
22u
L603
50V
68n
C639
35V
1000u
C636
AMP_24V
22uH_3.9A_SMD
L608
22uH_3.9A_SMD
L605
10k
R622
10k
R623
63V
470n
C642
63V
470n
C643
50V
68n
C619
50V
68n
C618
1N4148
D601
AMP_24V
20k
R614
1N4148
D600
AMP_24V
35V
1000u
C644
35V
1000u
C645
22u
L607
22u
L606
PL600
1
2
PL601
1
2
BC848B
Q600
BC848B
Q602
BC858B
Q601
1N4148
D609
VCC_12V
AMP_MUTE
AMP_24V
PANEL_5V
10k
R630
50V
100u
C648
5k1
R616
68k
R619
50V
68n
C637
18k
R621
10V
100n
C633
TDA1308T
IC600
1OUTA
2INA-
3INA+
4VSS5 INB+
6 INB-
7 OUTB
8 VDD
HEADPHONE_L
10k
R600
10k
R601
50V
1u
C601
16V
100n
C603
20k
R606
20k
R605
50V
470p
C613
50V
470p
C607
16V
100u
C614
16V
100u
C606
50V
1n
C610
50V
1n
C617
HP_OUT_L
HP_OUT_R
4k7
R602
HEADPHONE_R
50V
1n
C624
4k7
R613
20k
R615
1N4148
D608
1N5819
D606
1N5819
D607
1N5819
D605
1N5819
D604
50V
1n
C605
50V
1n
C602
50V
1n
C620
VCC_5V
50V
47u
C600
50V
68n
C649
50V
22p
C641
50V
22p
C640
50V
390p
C635
50V
390p
C634
50V
68n
C646
50V
68n
C647
120k
R624
120k
R625
S608
S609
1k
R620
16V
470n
C630
16V
470n
C629
PL602
1
2
S610
50R_100MHZ_3A
L602
68n
C628
68n
C627
50R_100MHZ_3A
L601
50V
47u
C631
50V
47u
C632
50R_100MHZ_3A
L600
VIN_24V
22uH_3.9A_SMD
L604
10k
R631
100k
R607
100k
R610
100k
R609
100k
R629
100k
R608
50V
1n
C616
50V
1n
C612
25V
1u
C625
25V
1u
C626
S611
VCC_3V3
50V
10u
C608
50V
10u
C609
1kV
1n
C604
1kV
1n
C623
C5V6
D602
C5V6
D603
33R
R618
33R
R633
33R
R634
33R
R635
33R
R636
33R
R627
33R
R626
33R
R638
33R
R639
33R
R617
33R
R641
33R
R642
16V
100u
C650
20k
R643
C3V6
D610
1N4148
D611
4k7
R645
BC558B
Q603
S612
12k
R644
10k
R646
10k
R647
AMP_24V
AMP_24V
OPTIONAL
—OPTION A
POP NOISE CIRCUIT
HEADPHONE AMPLIFIER
SHEET3
SHEET3
SHEET3
SHEET2
SHEET3
RIGHT OUTPUT SPEAKER CONNECTOR
LEFT OUTPUT SPEAKER CONNECTOR
OPTIONAL POP NOISE
CONN FOR SIGNAL
SLOWING RAPIDLY
DURING SHUT DOWN
IF AMP_MUTE HIGH ENOUGH TO ENABLE AMPLIFIER OPTIONAL RESISTOR WILL BE USED
IN THAT CASE TRANSISTOR CIRCUIT WILL NOT BE USED
FEEDBACK_R
FEEDBACK_L
AMP_EN
AMP_EN
AMP_EN
OPTIONAL
C636 1000UF 30000361 USED
C644-C645 30000361 USED [20MM HEIGHT]
100U 25V IS USED
30000353
C625, C626 IS USED 30046152 1U 50V 805
N.C.N.C.
TO REDUCE POWER
ON HP POPPING
SPEAKER-
HEADPHONE AMPLIFIER
- No. 0234 1
- 1. INTRODUCTION 2
- 2. TUNER 2
- 2.3 Pinning: 3
- 3.1 General Description 3
- 3.2 Features 3
- 4. POWER STAGE 4
- 5. MICROCONTROLLER (VCTP) 5
- 5.3 Video Features 6
- 5.4 Controller Features 7
- 5.6 Port Allocation 8
- 6. DRX 3961A 17
- 7.1 General Description 18
- 7.2 Features 18
- 7.3 Absolute Maximum Ratings 19
- 7.4 Pinning 19
- 8.2 Features 19
- 9. SAW FILTER X6966M 20
- 9.2 Pin configuration: 21
- 9.3 Frequency response: 21
- 10.1. LM1117 22
- 10.2. LM1086 23
- 10.3. MP1593 24
- 10.3.2. Features 25
- 10.3.3. Applications 25
- 10.3.6. Pinning 26
- 10.4. FDC642P 27
- 10.5. SIL9011 28
- 10.6. 24LC02 28
- 10.7. μPA672T 29
- 10.8. M74HC4052 30
- 10.8.4 Pinning 31
- 10.9. Max809 32
- 10.9.4 Pinning 33
- 10.10. 24LC21 34
- 11.SERVICE MENU SETTINGS 35
- 11.3. Options 1 36
- 11.4. Options 2 37
- 11.7. Picture Mode 38
- 11.8. Reset TV-Set 39
- 12.3.1 Hardware connection 41
- 12.3.2.1 Software setup 43
- 12.3.2.2 Flashing Sequence 44
- Fig7: Sending procedure 45
- Fig8: Data transfer 45
- 13. TROUBLESHOOTING GUIDE 49
- 14. BLOCK DIAGRAMS 50
- 14.2. Power Management 51
- 14.4. VCTP 53
- 14.4.2. MSP Block Diagram 54
- 56
- Item Description 56
- CPU + MPEG DECODER 57
- 15. CONNECTORS 58
- 15.4. IF Connector 59
- 15.5. PROGRAMMING Connector 59
- 15.6. S/PDIF Connector 59
- 15.7. DIGITAL AV Connector 59
- 15.8. PCMCIA Connector 60
- 16. CONCEPT ICs 61
- 16.3. PI6CX100-27 62
- 16.4. 74V1G08 63
- SINGLE 2-INPUT AND GATE 63
- 16.5. FMS6145 63
- 16.6. MP1593 64
- 3A, 28V Step-Down Converter 64
- 16.6.3 Applications 65
- THE UPDATED PARTS LIST 66
- FOR THIS MODEL IS 66
- AVAILABLE ON ESTA 66
- MAIN BOARD CIRCUIT - SHEET 1 69
- MAIN BOARD CIRCUIT - SHEET2 70
- MAIN BOARD CIRCUIT - SHEET 3 71
- MAIN BOARD CIRCUIT - SHEET 4 72
- MAIN BOARD CIRCUIT - SHEET 5 73
- MAIN BOARD CIRCUIT - SHEET 6 74
- MAIN BOARD CIRCUIT - SHEET 7 75
- MAIN BOARD CIRCUIT - SHEET 8 76
- HDMI DAUGHTER BOARD CIRCUIT 77
- MAIN AND IDTV MODULE BOARDS 87
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