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Sony STR DA2400ES Service Manual - Page 61

IC1903, IC1905

UPC - 027242729872

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6-34. PRINTED WIRING BOARD - LIMITER Board - • See Page 35 for Circuit Boards Location. • : Uses unleaded solder. 1 2 LIMITER BOARD JL1754 C1913 JW1203 D1906 C1910 5 A JL1752 C1909 JL1753 JL1751 AH JW1204 R1928 JW1205 13 ACLASS BOARD CN1909 (Page 50) CN1902 2 3 12 3 1 IC1905 IC1903 11 (11) 1-875-901- 6-35. SCHEMATIC DIAGRAM - LIMITER Board - 1 2 3 4 5 A B AH ACLASS BOARD C CN1909 (Page 51) LIMITER BOARD IC1905 TEMPERATURE SENSOR IC1905 LM61CIZ/LFT2 321 IC1903 TEMPERATURE SENSOR IC1903 LM61CIZ/LFT2 321 GND 0.8 OUT 6.9 IN GND 0.8 OUT 6.9 IN D1906 MAZ8062GMLS0 +7V NC GND TEMP1 TEMP2 CN1902 R1928 5P 100 JL1751 1 2 JL1752 3 JL1753 4 JL1754 5 C1913 1 C1909 0.1 C1910 1 • Waveforms - DIGITAL VIDEO Board - IC3506 PG (XTALOUT) - MICON Board - RB IC8003 XI (OSCOUT) STR-DA2400ES/DG920 - DISPLAY Board - XB Q706 (Collector) 35.3 ns 3.8 Vp-p 1 V/DIV, 20 ns/DIV IC3800 RM (CLKIN) 4 Vp-p 22.2 ns 1 V/DIV, 10 ns/DIV RT IC8005 (BCK) 4.6 μs 36 Vp-p 10 V/DIV, 2 μs/DIV 37 ns 3.6 Vp-p 1 V/DIV, 20 ns/DIV 3.4 Vp-p 357 ns 1 V/DIV, 100 ns/DIV RE IC8005 RI (SCK) 3.4 Vp-p 88.6 ns 1 V/DIV, 50 ns/DIV STR-DA2400ES/DG920 61 61

Section	Page
COVER	1
TABLE OF CONTENTS	4
1. SERVICING NOTES	5
2. GENERAL	7
3. DISASSEMBLY	13
3-1. DISASSEMBLY FLOW	13
3-2. CASE	14
3-3. FRONT PANEL BLOCK (DA2400ES)	14
3-4. FRONT PANEL BLOCK (DG920)	15
3-5. TUNER (FM/AM), CIS BOARD AND PREOUT BOARD	15
3-6. DIGITAL VIDEO BOARD	16
3-7. VIDEO BOARD	16
3-8. BACK PANEL BLOCK (DA2400ES)	17
3-9. BACK PANEL BLOCK (DG920)	17
3-10. MICON BOARD, DIGITAL BOARD	18
3-11. ACLASS BOARD	18
3-12. MAIN BLOCK	19
3-13. MAIN BOARD	19
4. TEST MODE	20
5. ELECTRICAL ADJUSTMENT	24
6. DIAGRAMS	27
6-1. BLOCK DIAGRAM - DIGITAL AUDIO/TUNER Section -	27
6-2. BLOCK DIAGRAM - DSP/XM Section -	28
6-3. BLOCK DIAGRAM - ANALOG AUDIO Section -	29
6-4. BLOCK DIAGRAM - AMP Section -	30
6-5. BLOCK DIAGRAM - HDMI Section -	31
6-6. BLOCK DIAGRAM - VIDEO (1/2) Section -	32
6-7. BLOCK DIAGRAM - VIDEO (2/2)/PANEL Section -	33
6-8. BLOCK DIAGRAM - POWER SUPPLY Section -	34
6-9. PRINTED WIRING BOARD - DIGITAL Board (Component Side) -	36
6-10. PRINTED WIRING BOARD - DIGITAL Board (Conductor Side) -	37
6-11. SCHEMATIC DIAGRAM - DIGITAL Board (1/2) -	38
6-12. SCHEMATIC DIAGRAM - DIGITAL Board (2/2) -	39
6-13. PRINTED WIRING BOARD - DIGITAL VIDEO Board (Component Side) -	40
6-14. PRINTED WIRING BOARD - DIGITAL VIDEO Board (Conductor Side) -	41
6-15. SCHEMATIC DIAGRAM - DIGITAL VIDEO Board (1/4) -	42
6-16. SCHEMATIC DIAGRAM - DIGITAL VIDEO Board (2/4) -	43
6-17. SCHEMATIC DIAGRAM - DIGITAL VIDEO Board (3/4) -	44
6-18. SCHEMATIC DIAGRAM - DIGITAL VIDEO Board (4/4) -	45
6-19. PRINTED WIRING BOARD - MAIN Board -	46
6-20. SCHEMATIC DIAGRAM - MAIN Board (1/3) -	47
6-21. SCHEMATIC DIAGRAM - MAIN Board (2/3) -	48
6-22. SCHEMATIC DIAGRAM - MAIN Board (3/3) -	49
6-23. PRINTED WIRING BOARD - ACLASS Board -	50
6-24. SCHEMATIC DIAGRAM - ACLASS Board -	51
6-25. PRINTED WIRING BOARD - VIDEO Board -	52
6-26. SCHEMATIC DIAGRAM - VIDEO Board -	53
6-27. PRINTED WIRING BOARD - DSP Board -	54
6-28. SCHEMATIC DIAGRAM - DSP Board -	55
6-29. PRINTED WIRING BOARD - MICON Board (Component Side) -	56
6-30. PRINTED WIRING BOARD - MICON Board (Conductor Side) -	57
6-31. SCHEMATIC DIAGRAM - MICON Board (1/3) -	58
6-32. SCHEMATIC DIAGRAM - MICON Board (2/3) -	59
6-33. SCHEMATIC DIAGRAM - MICON Board (3/3) -	60
6-34. PRINTED WIRING BOARD - LIMITER Board -	61
6-35. SCHEMATIC DIAGRAM - LIMITER Board -	61
6-36. PRINTED WIRING BOARDS - CONNECTOR Section -	62
6-37. SCHEMATIC DIAGRAM - CONNECTOR Section -	63
6-38. PRINTED WIRING BOARD - DISPLAY Board -	64
6-39. SCHEMATIC DIAGRAM - DISPLAY Board -	65
6-40. PRINTED WIRING BOARDS - PANEL Section -	66
6-41. SCHEMATIC DIAGRAM - PANEL Section -	67
6-42. PRINTED WIRING BOARD - SURR SPEAKER Board -	68
6-43. SCHEMATIC DIAGRAM - SURR SPEAKER Board -	69
6-44. PRINTED WIRING BOARD - CIS Board (DA2400ES: US model) -	70
6-45. SCHEMATIC DIAGRAM - CIS Board (DA2400ES: US model) -	71
6-46. PRINTED WIRING BOARD - PREOUT Board (DA2400ES: AEP, ECE, UK models) -	72
6-47. SCHEMATIC DIAGRAM - PREOUT Board (DA2400ES: AEP, ECE, UK models) -	72
6-48. PRINTED WIRING BOARD - DCDC CON Board -	73
6-49. SCHEMATIC DIAGRAM - DCDC CON Board -	73
6-50. PRINTED WIRING BOARDS - POWER Section -	74
6-51. SCHEMATIC DIAGRAM - POWER Section -	75
7. EXPLODED VIEWS	105
7-1. CASE SECTION	105
7-2. FRONT PANEL SECTION (DA2400ES)	106
7-3. FRONT PANEL SECTION (DG920)	107
7-4. DIGITAL VIDEO BOARD SECTION	108
7-5. BACK PANEL SECTION	109
7-6. CHASSIS SECTION	110
8. ELECTRICAL PARTS LIST	111
ACLASS	111
A-CLASS SUPPORT A	113
A-CLASS SUPPORT B	113
CIS	113
DCDC CON	114
DIGITAL	114
DIGITAL VIDEO	118
DISPLAY	124
DSP	126
JOG	127
LED	127
LIMITER	127
MAIN	127
MIC	134
MICON	134
MICON DIGITAL CONN	138
POWER SWITCH	139
PREOUT	139
STANDBY	139
SURR SPEAKER	140
VIDEO	141
VIDEO2	142

Match case Limit results 1 per page

STR-DA2400ES/DG920

6-34. PRINTED

WIRING

BOARD

- LIMITER Board -

6-35. SCHEMATIC

DIAGRAM

- LIMITER Board -

• Waveforms

– DIGITAL VIDEO Board –

•

: Uses unleaded solder.

• See Page 35 for Circuit Boards Location.

IC3506

(XTALOUT)

1 V/DIV, 20 ns/DIV

35.3 ns

3.8 Vp-p

IC3800

(CLKIN)

1 V/DIV, 20 ns/DIV

37 ns

3.6 Vp-p

IC8003

(OSCOUT)

1 V/DIV, 10 ns/DIV

22.2 ns

4 Vp-p

357 ns

3.4 Vp-p

IC8005

(BCK)

1 V/DIV, 100 ns/DIV

IC8005

(SCK)

1 V/DIV, 50 ns/DIV

88.6 ns

3.4 Vp-p

Q706 (Collector)

10 V/DIV, 2

s/DIV

4.6

36 Vp-p

– MICON Board –

– DISPLAY Board –

IC1903

IC1905

C1909

C1910

JL1751

JL1752

JL1753

C1913

JL1754

D1906

R1928

CN1902

JW1203

JW1204

JW1205

1-875-901-

LIMITER BOARD

(11)

ACLASS

BOARD

CN1909

ACLASS

BOARD

0.8

6.9

0.8

6.9

0.1

C1909

100

R1928

C1913

C1910

CN1902

MAZ8062GMLS0

D1906

LIMITER BOARD

LM61CIZ/LFT2

IC1905

TEMPERATURE SENSOR

LM61CIZ/LFT2

IC1903

TEMPERATURE SENSOR

GND

OUT

GND

OUT

+7V

GND

TEMP1

TEMP2

JL1751

JL1752

JL1753

JL1754

(Page 50)

(Page 51)