Sony STR-DN1020 Service Manual ▷ View online
STR-DN1020
STR-DN1020
21
21
5-7. BLOCK DIAGRAM – POWER KEY Section –
6
2
3
3
DRIVE
PRE DRIVER
IC701
IN 1
+VOUT1
-VOUT2
8
12
11
11
IN 2
+VOUT2
-VOUT2
FL-CH
FR-CH
FL-CH
FR-CH
SL-CH
SBL-CH
SBR-CH
SR-CH
SL-CH
SR-CH
+3.3V
(STBY)
+3.3V
-5V
+4V
+4V
-7V
+7V
22
6
2
3
3
DRIVE
PRE DRIVER
IC601
IN 1
+VOUT1
-VOUT2
8
12
11
11
IN 2
+VOUT2
-VOUT2
1
67
+5V
(STBY)
-5V
REG
IC204
+3.3V
REG
IC2001
-15V
+15V
+7V
REG
IC350
-7V
REG
IC352
+3.3V
REG
IC203
+4V
REG
2
1
IC1500
+4V
REG
2
1
IC1600
+6.3V
+6.3V
REG
2
1
IC1700
FRONT_SPK_A_R
Y
HP_R
Y
SBL-SBR_R
Y
C/SL-SR_R
Y
PREOUT_SW_R
Y
HP_DET
FRONT_SPK_RY
PROTECTOR
3
BRIDGEABLE_RY
HP_DET
FUSE_DET
AC_CUT
97
23
HP_RY 99
100
PREOUT_SW_RY
4
C/SL_SR_RY
ZONE2_RY
FRONT_SPK_A_RY
HP_DET
SBL-SBR_RY
HP_RY
PREOUT_SW_RY
C/SL-SR_RY
SYSTEM
CONTROL
IC2101 (5/5)
PRE
DRIVE
C-CH
6
2
3
3
DRIVE
PRE DRIVER
IC501
IN 1
+VOUT1
-VOUT2
PRE
DRIVE
SW-CH
PRE
DRIVE
6
2
3
3
DRIVE
PRE DRIVER
IC801
IN 1
+VOUT1
-VOUT2
8
12
11
11
IN 2
+VOUT2
-VOUT2
PRE
DRIVE
2
SBL_SBR_RY
12
SIGNAL SELECTOR
IC2122
98
A3
Y3
PHONES
J790
R
L
L
SUBWOOFER
AUDIO OUT
CENTER
SURROUND
R
TB504 (2/2)
TB504 (1/2)
TB503 (1/2)
TB503 (2/2)
J404
FRONT A
T901
POWER TRANSFORMER
(MAIN)
F901
POWER TRANSFORMER
(SUB)
T902
AC IN
~
RECT
D921
F912
F913
RY901
D990
F910
F911
F940
F941
RECT
D910-913
RECT
D900
D2113
D2114
D2112
PROTECTOR
D326-327, Q320-321,
Q323-325
POWER AMP
Q701-704,
Q751-754
POWER AMP
Q551-554
POWER AMP
Q601-604,
Q651-654
POWER AMP
Q801-802,
Q503-504,
Q503-504,
Q851-854
RY350
RY365
RY301
RY375
RELAY
DRIVER
Q375
RELAY
DRIVER
Q365
RELAY
DRIVER
Q301
RELAY
DRIVER
Q350
RY920
RELAY
DRIVER
Q920
RY355
RELAY
DRIVER
Q355
R
SURROUND BACK/
FRONT HIGH/
BI-AMP/FRONT B
L
TB502
RY360
RELAY
DRIVER
Q360
CURRENT
DETECT
Q711,712
CURRENT
DETECT
Q761,762
CURRENT
DETECT
Q861,862
CURRENT
DETECT
Q550,555
CURRENT
DETECT
Q611,612
CURRENT
DETECT
Q661,662
CURRENT
DETECT
Q811,812
RELAY
DRIVER
Q901
AC OFF
DETECT
Q990
RECT
D993-D994
SPEAKERS
6LJQDOSDWK
: TUNER (FM/AM)
5FKLVRPLWWHGGXHWR
5FKLVRPLWWHGGXHWR
VDPHDV/FK
94
14
POWER_RY
TUNER/
AUDIO
SECTION
(Page 15)
(Page 15)
B
STR-DN1020
STR-DN1020
22
22
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF) 50
• All capacitors are in μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in
and 1/4 W or less unless otherwise
specifi ed.
• f : internal component.
• 2 : nonfl ammable resistor.
• C : panel designation.
• C : panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
• Voltages are taken with VOM (Input impedance 10 M
• Voltages are taken with VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J :
J :
AUDIO
(DIGITAL)
F :
AUDIO
(ANALOG)
f :
TUNER
E :
VIDEO
• Abbreviation
AUS :
AUS :
Australian
model
CND : Canadian model
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
Note:
The components identi-
fi
The components identi-
fi
ed by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specifi ed.
cal for safety.
Replace only with part
number specifi ed.
Note:
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une piéce portant le nu-
méro spécifi é.
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une piéce portant le nu-
méro spécifi é.
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• HDMI board and DSP board are multi-layer printed board.
However, the patterns of intermediate-layers have not
However, the patterns of intermediate-layers have not
been included in diagrams.
• Indication of transistor.
C
B
These are omitted.
E
Q
• Abbreviation
AUS :
AUS :
Australian
model
CND : Canadian model
• Circuit Boards Location
MAIN board
DCDC board
STANDBY board
A VIDEO board
CONNECTION board
DSP board
DISPLAY board
USB board
D-VIDEO NW board
DIGITAL board
HEADPHONE board
POWER KEY board
TUNER (FM/AM)
NETWORK board
TEMP-SENSOR board
STR-DN1020
STR-DN1020
23
23
5-8.
PRINTED WIRING BOARD – DIGITAL Board (Side A) –
• See page 22 for Circuit Boards Location. •
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
B
E
E
B
E
E
B
E
B
E
B
E
B E
2
11
9
20
2
11
9
20
2
11
9
20
X2501
C2907
C2908
C2909
IC3531
C2333
C2334
IC2237
R2457
R2458
R2962
R2963 R2964
VCC
O
VCC
O
IC2122
IC2105
IC2001
1
100
30
31
81 80
50
51
IC2101
IC21
19
IC2104
IC2115
IC2116
IC2117
IC2118
1
14
15
28
29
IC2005
1
12
13
25
24
36
37
48
IC2102
IC2111
6
15
IC2121
IC2004
IC2003
O
VCC
IC2109
IC2110
IC2108
J2000
C2303
C2122
C2317
C2131
C2903
C2904
IC2112
IC2114
C2352
A2000
A2001
A2002
10
11
1
13
3
CN2201
1
28
9
C2013
C2642
C2643
C2264
C2265
C2266
C2267
C2678
C2679
C2680
C2681
C2682
C2683
C2684
C2685
C2076
CN2101
CN2102
CN2103
C2694
C2695
R2091
C2696
R2286
C2697
R2670
C2699
R2671
R2672
R2673
R2674
R2675
R2676
R2677
R2678
R2679
R2680
R2681
R2682
R2683
R2684
R2685
R2686
R2687
R2688
R2689
R2690
R2691
R2692
R2693
R2694
R2695
R2696
R2697
R2698
R2699
1
2
49
50
CN2104
C2102
C2103
C2105
Q2101
C2106
C2107 C2108
1
4
CN2501
X2201
C21
12
C21
14
C2115
C2117
C21
18
C21
19
FB2001
C2121
C2316
C2123
C2124
C2127
R2100
FB2201
R2101
FB2202
Q2702
R2102
FB2203
Q2703
R2103
FB2204
Q2704
R2104
Q2705
R2105
Q2706
R2107
C2130
R2108
R2109
D2301
C2902
C2133
D2112
D2113
D2114
R21
10
R2304
C2521
R
2111
R2305
C2522
R21
12
R21
13
C2524
R2308
D2119
D2501
R2116
R21
17
R2118
R21
19
R2310
C2721
C2722
R2120
FB2608
C2149
D2701
D2702
R2126
R2127
IC2120
R2128
R2129
IC2123
C2156
R2130
R2131
R2132
R2133
R2134
R2905
R2135
R2136
C2353
R2138
R2521
R2525
R2526
C2169
R2143
R2144
R2145
R2146
R2147
R2151
R2152
R2156
R2157
R2158
R2159
C2181
C2569
R2354
C2572
R2162
C2574
R2740
R2741
R2742
R2743
R2744
R2745
R2746
C2193
R2747
C2195
R2941
R2559
R2172
R2173
R2944
R2946
R2948
R2951
R2952
R2953
R2954
R2955
C2596
RB2101
RB2102
RB2103
RB2105
RB2106
RB2107
RB2108
RB2109
RB2110
RB2111
RB2112
RB2113
RB21
14
RB21
15
RB2116
RB2117
1
9
CN2001
1
29
2
28
CN2003
1
4
CN2203
1
8
CN2204
JL2041
X2101
C2011
C2021
C2024
C2601
C2602
D2002
C2603
C2604
C2605
FB2101
FB2102
C2606
FB2103
C2607
FB2104
C2608
C2609
FB2105
FB2106
R2006
JL2063
C2223
R2008
R2009
D2201
6
1
5
C2610
FB2301
FB2302
C2613
R2010
R2204
C2039
C2615
R201
1
C2616
R2013
C2618
D2018
C2619
R2015
IC2010
R2019
D2020
D2021
C2239
FB2121
R2021
C2433
C2240
R2600
R2601
R2026
JL2085
JL2086
JL2087
JL2088
C2059
R2031
C2443
JL2090
R2611
R2612
R2613
R2614
C2060
R2617
R2618
C2644
C2451
R2041
C2649
R2045
C2268
C2650
C2269
C2270
R2248
R2249
R2056
C2272
C2273
C2274
R2251
R2252
R2254
C2089
R2255
R2256
R2258
R2259
R2260
R2261
R2263
C2098
R2264
R2265
R2072
R2266
R2073
R2267
R2268
R2269
R2270 R2271
R2274
C2686
R2276
C2687
C2688
C2689
C2690
C2691
C2692
C2693
R2253
FB2206
R2619
R2615
R2616
JL2288
R2631
R2632
R2621
R2622
R2623
FB2615
FB2616
FB2619
FB2207
FB2002
FB2003
FB2004 FB2005
FB2006
FB2007
FB2008
R2959
R2961
R2960
R2958
CN2012 (9P) (US, CND)
CN2002 (1
1P)
8
4
1
5
9
CN2401
C2438
C2439
C2440
C2441
C2481
C2482
R2428
R2479
R2482
C2183
R2462
R2447
R2463
R2121
R2124
R2125
X2101
10
11
1
28
9
AM
ANTENNA
TN1
)0ȍ
COAXIAL
TUNER
(FM/AM)
(CHASSIS)
CN2012 : 9P (US, CND)
(US, CND)
CN2002 : 11P
FLASH
PROGRAMMING
SIRIUS
OPTICAL
SAT/CATV IN
DIGITAL (ASSIGNABLE)
COAXIAL
BD/DVD IN
TV
OPTICAL IN
(AEP, UK, AUS)
DIGITAL BOARD
(SIDE A)
(SIDE A)
1-883-289-
15
(15)
(CHASSIS)
A
DSP BOARD
CN5001
(Page 44)
B
DCDC BOARD
CN1501
(Page 54)
C
STANDBY BOARD
CN913
(Page 50)
D
TEMP-
SENSOR
BOARD
CN250
(Page 58)
E
D-VIDEO NW
BOARD
CN3005
CN3005
(Page 34)
F
DISPLAY
BOARD
CNS100
(Page 52)
G
CONNECTION
BOARD
CN174
(Page 49)
H
CONNECTION
BOARD
CN173
(Page 49)
I
CONNECTION
BOARD
CN175
(Page 49)
(US,
CND)
Ver. 1.1
Note: IC2104 on the DIGITAL board cannot exchange with single.
When this part on the DIGITAL board is damaged, exchange
the entire mounted board.
the entire mounted board.
STR-DN1020
STR-DN1020
24
24
5-9.
PRINTED WIRING BOARD – DIGITAL Board (Side B) –
• See page 22 for Circuit Boards Location. •
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
JR
JR
3
1
2
IC2006
JL2100
JL2111
JL2112
JL21
13
JL2114
JL21
17
JL21
18
JL21
19
JL2120
JL2122
JL2123
JL2124
JL2125
JL2126
JL2127
JL2128
C2101
C2302
C2313
C2315
C2126
FB2205
C2140
FB2601
C2146
C2147
R2122
C2159
JL2191
JL2192
JL2194
JL2195
JL2196
C2170
C2184
R2160
JL2002
JL2008
JL2200
JL2201
JL2202
JL2203
JL2204
JL2205
JL2012
JL2206
JL2013
JL2207
JL2014
JL2208
JL2015
JL2209
JL2016
JL2017
JL2018
JL2019
JL2210
JL2212
JL2213
JL2214
JL2020
JL2215
JL2021
JL2216
JL2022
JL2217
JL2023
JL2218
JL2024
JL2219
JL2025
JL2026
JL2027
JL2028
JL2029
JL2220
JL2221
JL2222
JL2223
JL2224
JL2225
JL2226
JL2227
JL2228
JL2229
JL2230
JL2231
JL2232
JL2233
JL2234
JL2235
JL2236
JL2042
JL2237
JL2043
JL2238
JL2044
JL2239
JL2045
JL2046
JL2047
JL2048
JL2049
JL2240
JL2241
JL2242
JL2243
JL2244
JL2050
JL2245
JL2051
JL2246
JL2052
JL2247
JL2053
JL2248
JL2054
JL2249
JL2055
JL2056
JL2057
JL2058
JL2059
JL2250
JL2251
JL2252
JL2253
JL2254
JL2060
JL2255
JL2061
JL2256
JL2062
JL2257
JL2258
JL2064
JL2259
JL2065
JL2066
JL2067
JL2068
JL2260
JL2261
JL2262
JL2263
JL2264
JL2265
JL2071
JL2266
JL2072
JL2267
JL2268
JL2074
D2404
JL2269
JL2075
JL2077
JL2078
JL2079
JL2270
JL2271
JL2272
JL2273
D2603
JL2274
JL2080
D2604
JL2275
JL2081
JL2276
JL2082
JL2277
JL2278
JL2089
C2635
C2263
C2070
C2653
C2271
C2468
R2275
JL2287
JL2286
JL2290
JL2291
JL2292
JL2293
JL2280
JL2284
JL2281
JL2283
JL2282
JL2294
JL2289
JL2285
JL2279
JL2298
JL2297
JL2296
JL2295
C2235
JR2000
C2671
D2402
D2403
C2488
C2490
JR2001
D2278
JL2345
DIGITAL BOARD (SIDE B)
1-883-289-
15
(15)
(US, CND)
Ver. 1.1
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