STR-DG2100 - Sony Audio Service Manual (repair manual)

str-dg2100 service manual
Model
STR-DG2100
Pages
127
Size
12.25 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-dg2100.pdf
Date

Read Sony STR-DG2100 Service Manual online

SERVICE MANUAL
AUDIO POWER 
SPECIFICATIONS
POWER OUTPUT AND TOTAL 
HARMONIC DISTORTION:
With 8 ohm loads, both channels driven, from 
20 – 20,000 Hz; rated 100 watts per channel 
minimum RMS power, with no more than 
0.09% total harmonic distortion from 250 
milliwatts to rated output.
Amplifier section
POWER OUTPUT
Rated Power Output at Stereo Mode
1) 2)
(8 ohms 20 Hz – 20 kHz, 
THD 0.09%):
100 W + 100 W
Reference Power Output at Stereo Mode
(4 ohms 20 Hz – 20 kHz, 
THD 0.15%):
85 W + 85 W
Reference Power Output
(8 ohms 1 kHz, THD 0.7%)
FRONT
2)
:
110 W + 110 W
CENTER
2)
: 110 W
SURROUND
2)
:
110 W + 110 W
SURROUND BACK
2)
:
110 W + 110 W
Reference Power Output
(4 ohms 1 kHz, THD 0.7%)
FRONT
2)
:
100 W + 100 W
CENTER
2)
: 100 W
SURROUND
2)
:
100 W + 100 W
SURROUND BACK
2)
:
100 W + 100 W
1)
Depending on the sound field settings and the 
source, there may be no sound output.
2)
Measured under the following conditions:
Power requirements: 120 V AC, 60 Hz
Frequency response
Inputs (Analog)
Inputs (Digital)
Outputs
EQUALIZER
PHONO
RIAA equalization curve 
± 0.5 dB
MULTI CHANNEL 
INPUT, SA-CD/CD, 
MD/TAPE, DVD/BD, 
TV, SAT/CATV,
VIDEO 1/2/3
10 Hz – 100 kHz
± 3 dB
PHONO
Sensitivity: 2.5 mV
Impedance: 50 kohms
S/N: 90dB (A, 20 kHz 
LPF)
DVD/BD,VIDEO 2, 
SA-CD/CD (Coaxial)
Impedance: 75 ohms
S/N: 96 dB (A, 20 kHz 
LPF)
VIDEO 1, VIDEO 3, 
SAT/CATV, TV, MD/
TAPE (Optical)
S/N: 96 dB
(A, 20 kHz LPF)
MD/TAPE (REC OUT), 
VIDEO 1 (AUDIO OUT)
Voltage:150 mV
Impedance: 1 kohm
FRONT L/R, CENTER, 
SURROUND L/R, 
SURROUND BACK L/R, 
SUB WOOFER
Voltage: 2 V
Impedance: 1 kohm
Gain levels
±10 dB, 1 dB step
MULTI CHANNEL
INPUT, SA-CD/CD, 
MD/TAPE, DVD/BD, 
TV, SAT/CATV, 
VIDEO 1/2/3
Sensitivity: 150 mV
Impedance: 50 kohms
S/N: 100 dB (A, 20 kHz 
LPF)
MULTI CHANNEL AV RECEIVER
SPECIFICATIONS
Ver. 1.2  2010.02
– Continued on next page –
9-887-814-03
2010B05-1
© 2010.02
Sony Corporation
Audio&Video Business Group
Published by Sony Techno Create Corporation
This receiver incorporates Dolby* Digital and Pro Logic Surround and the DTS** Digital Surround System.
*
Manufactured under license from Dolby Laboratories.
Dolby, Pro Logic, Surround EX, and the double-D symbol are trademarks of Dolby Laboratories.
** Manufactured under license from DTS, Inc. 
“DTS”, “DTS-ES” and “Neo:6” are registered trademarks of DTS, Inc. and “DTS-HD Master Audio”, 
“DTS-HD High Resolution Audio” and “DTS 96/24” are trademarks of DTS, Inc.
STR-DG2100
US Model
2
STR-DG2100
AM tuner section
Tuning range
With 10-kHz tuning scale
530 – 1,710 kHz
3)
With 9-kHz tuning scale
531 – 1,710 kHz
3)
Antenna (aerial)
Loop antenna (aerial)
3)
You can change the AM tuning scale to either 9 
kHz or 10 kHz. After tuning in any AM  station, 
turn off the receiver. While holding down 
TUNING MODE, press POWER on the receiver. 
All preset stations will be erased when you change 
the tuning scale. To reset the scale to 10 kHz (or 9 
kHz), repeat the procedure.
Video section
Inputs/Outputs
Video:
1 Vp-p, 75 ohms
COMPONENT VIDEO:
Y: 1 Vp-p, 75 ohms
P
B
/C
B
: 0.7 Vp-p, 75 ohms
P
R
/C
R
: 0.7 Vp-p, 75 ohms
80 MHz HD Pass Through
HDMI Video
Input/Output (HDMI Repeater block)
640 
× 480p@60 Hz
720 
1440 
× [email protected]/60 Hz (pixel sent 2times)
1280 
1920 
1920 
720 
× 576p@50 Hz
1440 
× 576p@50 Hz (pixel sent 2times)
1280 
× 720p@50 Hz
1920 
× 1080i@50 Hz
1920 
× 1080p@50 Hz
1920 
× 1080p@24 Hz
General
Power requirements 120 V AC, 60 Hz
Power output (DIGITAL MEDIA PORT)
DC OUT: 5 V, 700 mA
Power consumption 350 W
Power consumption (during standby mode)
0.7 W (when “HDMI 
Control” is set to “OFF”)
Dimensions
430 
× 175 × 430 mm 
(width/height/depth)
including projecting parts 
and controls
Mass (Approx.)
14.5 kg
Supplied accessories
Operating Instructions
Quick Setup Guide (1)
HDMI CONTROL Guide (1)
GUI Menu List (1)
Optimizer microphone ECM-AC2 (1)
FM wire antenna (aerial) (1)
AM loop antenna (aerial) (1)
Remote commander RM-AAP018 (1)
R6 (size-AA) batteries (2)
Design and specifications are subject to 
change without notice.
FM tuner section
Tuning range
87.5 – 108.0 MHz
Antenna (aerial)
FM wire antenna (aerial)
Antenna (aerial) terminals
75 ohms, unbalanced
3
STR-DG2100
Notes on chip component replacement
Never reuse a disconnected chip component.
Notice that the minus side of a tantalum capacitor may be
damaged by heat.
SAFETY-RELATED  COMPONENT  WARNING!!
COMPONENTS  IDENTIFIED  BY  MARK 
 0
  OR  DOTTED  LINE
WITH  MARK  
0
  ON  THE  SCHEMATIC  DIAGRAMS  AND  IN
THE  PARTS  LIST  ARE  CRITICAL  TO  SAFE  OPERATION.
REPLACE  THESE  COMPONENTS  WITH  SONY  PARTS  WHOSE
PART  NUMBERS  APPEAR  AS  SHOWN  IN  THIS  MANUAL  OR
IN  SUPPLEMENTS  PUBLISHED  BY  SONY.
SAFETY  CHECK-OUT
After correcting the original service problem, perform the following
safety check before releasing the set to the customer:
Check the antenna terminals, metal trim, “metallized” knobs, screws,
and all other exposed metal parts for AC leakage.
Check leakage as described below.
LEAKAGE  TEST
The AC leakage from any exposed metal part to earth ground and
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5 mA (500 microamperes.).
Leakage current can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers’ instructions to use these
instruments.
2. A battery-operated AC milliammeter. The Data Precision 245
digital multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a
VOM or battery-operated AC voltmeter. The “limit” indication
is 0.75 V, so analog meters must have an accurate low-voltage
scale. The Simpson 250 and Sanwa SH-63Trd are examples
of a passive VOM that is suitable. Nearly all battery operated
digital multimeters that have a 2 V AC range are suitable.  (See
Fig. A)
Fig. A.
Using an AC voltmeter to check AC leakage.
1.5 k
0.15 
µ
F
AC
voltmeter
(0.75 V)
To Exposed Metal
Parts on Set
Earth Ground
TABLE  OF  CONTENTS
1.
SERVICING  NOTES
..............................................
5
2.
GENERAL
..................................................................
8
3.
DISASSEMBLY
3-1.
Disassembly Flow .......................................................... 12
3-2.
Case ................................................................................ 13
3-3.
Front Panel Block ........................................................... 13
3-4.
Tuner (FM/AM) .............................................................. 14
3-5.
D.AUDIO Board, DSP Board ......................................... 14
3-6.
TUNER Board, CONTROL Board ................................ 15
3-7.
SUB WOOFER Board, S_SPTM Board ........................ 15
3-8.
D_VIDEO Board ............................................................ 16
3-9.
A_VIDEO Board ............................................................ 16
3-10. MAIN Board, C_SPTM Board ....................................... 17
3-11. AC Board, Power Transformer (T001) ........................... 18
3-12. Power AMP Block .......................................................... 18
4.
TEST  MODE
............................................................. 19
5.
ELECTRICAL  ADJUSTMENTS
........................ 23
6.
DIAGRAMS
6-1.
Block Diagram – CONTROL Section – ......................... 24
6-2.
Block Diagram – DSP Section – .................................... 25
6-3.
Block Diagram – DIGITAL AUDIO Section – .............. 26
6-4.
Block Diagram – HDMI Section – ................................. 27
6-5.
Block Diagram – VIDEO PROCESS Section – ............. 28
6-6.
Block Diagram – ANALOG AUDIO Section – ............. 29
6-7.
Block Diagram – POWER AMP Section – .................... 30
6-8.
Block Diagram – VIDEO Section – ............................... 31
6-9.
Block Diagram – PANEL, XM/SIRIUS RECEIVER,
DMPORT Section – ........................................................ 32
6-10. Block Diagram – POWER SUPPLY Section – .............. 33
6-11. Schematic Diagram – D.AUDIO Board (1/5) – ............. 35
6-12. Schematic Diagram – D.AUDIO Board (2/5) – ............. 36
6-13. Schematic Diagram – D.AUDIO Board (3/5) – ............. 37
6-14. Schematic Diagram – D.AUDIO Board (4/5) – ............. 38
6-15. Schematic Diagram – D.AUDIO Board (5/5) – ............. 39
6-16. Printed Wiring Board
– D.AUDIO Board (Component Side) – ........................ 40
6-17. Printed Wiring Board
– D.AUDIO Board (Conductor Side) – .......................... 41
6-18. Printed Wiring Board
– TUNER Board (Component Side) (Suffix-12) – ......... 42
6-19. Printed Wiring Board
– TUNER Board (Conductor Side) (Suffix-12) – .......... 43
6-20. Printed Wiring Board
– TUNER Board (Component Side) (Suffix-13) – ......... 44
6-21. Printed Wiring Board
– TUNER Board (Conductor Side) (Suffix-13) – .......... 45
6-22. Schematic Diagram – TUNER Board (1/2) – ................ 46
6-23. Schematic Diagram – TUNER Board (2/2) – ................ 47
6-24. Printed Wiring Board
– DSP Board (Side A) (Suffix-11) – ............................... 48
6-25. Printed Wiring Board
– DSP Board (Side B) (Suffix-11) – ............................... 49
6-26. Printed Wiring Board
– DSP Board (Side A) (Suffix-12) – ............................... 50
4
STR-DG2100
6-27. Printed Wiring Board
– DSP Board (Side B) (Suffix-12) – ............................... 51
6-28. Schematic Diagram – DSP Board (1/4) – ...................... 52
6-29. Schematic Diagram – DSP Board (2/4) – ...................... 53
6-30. Schematic Diagram – DSP Board (3/4) – ...................... 54
6-31. Schematic Diagram – DSP Board (4/4) – ...................... 55
6-32. Printed Wiring Boards – CONNECTOR Section – ........ 56
6-33. Schematic Diagram – CONNECTOR Section – ............ 57
6-34. Printed Wiring Board
– TEMPERATURE DETECTION Board – ................... 58
6-35. Schematic Diagram
– TEMPERATURE DETECTION Board – ................... 58
6-36. Printed Wiring Board – A CLASS AMP Board – .......... 59
6-37. Schematic Diagram – A CLASS AMP Board (1/2) – .... 60
6-38. Schematic Diagram – A CLASS AMP Board (2/2) – .... 61
6-39. Printed Wiring Board – POWER AMP Board – ............ 62
6-40. Schematic Diagram – POWER AMP Board – ............... 63
6-41. Printed Wiring Board – PROTECTOR (F-C) Board – ... 64
6-42. Schematic Diagram – PROTECTOR (F-C) Board – ...... 65
6-43. Printed Wiring Boards
– PROTECTOR (SB/SURR) Section – .......................... 66
6-44. Schematic Diagram
– PROTECTOR (SB/SURR) Section – .......................... 67
6-45. Printed Wiring Board – BIAS Board – ........................... 68
6-46. Schematic Diagram – BIAS Board – .............................. 69
6-47. Printed Wiring Boards – SPEAKER Section – .............. 70
6-48. Schematic Diagram – SPEAKER Section – ................... 71
6-49. Printed Wiring Board – SUB WOOFER Board – .......... 72
6-50. Schematic Diagram – SUB WOOFER Board – ............. 72
6-51. Printed Wiring Board – MAIN Board – ......................... 73
6-52. Schematic Diagram – MAIN Board (1/4) – ................... 74
6-53. Schematic Diagram – MAIN Board (2/4) – ................... 75
6-54. Schematic Diagram – MAIN Board (3/4) – ................... 76
6-55. Schematic Diagram – MAIN Board (4/4) – ................... 77
6-56. Printed Wiring Board
– D_VIDEO Board (Component Side) – ....................... 78
6-57. Printed Wiring Board
– D_VIDEO Board (Conductor Side) – ......................... 79
6-58. Schematic Diagram – D_VIDEO Board (1/10) – .......... 80
6-59. Schematic Diagram – D_VIDEO Board (2/10) – .......... 81
6-60. Schematic Diagram – D_VIDEO Board (3/10) – .......... 82
6-61. Schematic Diagram – D_VIDEO Board (4/10) – .......... 83
6-62. Schematic Diagram – D_VIDEO Board (5/10) – .......... 84
6-63. Schematic Diagram – D_VIDEO Board (6/10) – .......... 85
6-64. Schematic Diagram – D_VIDEO Board (7/10) – .......... 86
6-65. Schematic Diagram – D_VIDEO Board (8/10) – .......... 87
6-66. Schematic Diagram – D_VIDEO Board (9/10) – .......... 88
6-67. Schematic Diagram – D_VIDEO Board (10/10) – ........ 89
6-68. Printed Wiring Board
– A_VIDEO Board (Component Side) – ........................ 90
6-69. Printed Wiring Board
– A_VIDEO Board (Conductor Side) – ......................... 91
6-70. Schematic Diagram – A_VIDEO Board (1/4) – ............. 92
6-71. Schematic Diagram – A_VIDEO Board (2/4) – ............. 93
6-72. Schematic Diagram – A_VIDEO Board (3/4) – ............. 94
6-73. Schematic Diagram – A_VIDEO Board (4/4) – ............. 95
6-74. Printed Wiring Board – VIDEO3 Board – ...................... 96
6-75. Schematic Diagram – VIDEO3 Board – ........................ 97
6-76. Printed Wiring Board
– CONTROL Board (Component Side) – ...................... 98
6-77. Printed Wiring Board
– CONTROL Board (Conductor Side) – ........................ 99
6-78. Schematic Diagram – CONTROL Board (1/2) – ........... 100
6-79. Schematic Diagram – CONTROL Board (2/2) – ........... 101
6-80. Printed Wiring Board – DISPLAY Board – ................... 102
6-81. Schematic Diagram – DISPLAY Board – ...................... 103
6-82. Printed Wiring Boards – PANEL Section – .................... 104
6-83. Schematic Diagram – PANEL Section – ........................ 105
6-84. Printed Wiring Board – DC-DC Board – ....................... 106
6-85. Schematic Diagram – DC-DC Board – .......................... 107
6-86. Printed Wiring Board – AC Board – ............................... 108
6-87. Schematic Diagram – AC Board – ................................. 109
7.
EXPLODED  VIEWS
7-1.
Case Section ................................................................... 156
7-2.
DISPLAY Board Section ................................................ 157
7-3.
Front Panel Section ........................................................ 158
7-4.
AC/DC-DC Boards Section ............................................ 159
7-5.
D.AUDIO/D_VIDEO Boards Section ............................ 162
7-6.
A_VIDEO Board Section ............................................... 161
7-7.
Heat Sink Section ........................................................... 162
7-8.
MAIN Board Section ...................................................... 163
8.
ELECTRICAL  PARTS  LIST
............................... 164
Page of 127
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Download Sony STR-DG2100 Service Manual (Repair Manual)

Here you can read online and download Sony STR-DG2100 Service Manual in PDF. STR-DG2100 service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony STR-DG2100 Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.