Printed Wiring Board - Main Board (Component Side) - Sony STR-KM22 Service Manual

5-5. PRINTED WIRING BOARD – MAIN Board (Component Side) –
1 2 3
A
B
MAIN BOARD
TB352
SUBWOOFER
(COMPONENT SIDE)
+ –
C
(CHASSIS)
EXCEPT SAF, AR
B351
RR11
CC11
KM55, KM77
D
>001P
POWER
TRANSFORMER
(MAIN)
T901
(Page 38)
E
FH956 F915
>002P
SUB RECTIFIER
BOARD
CN931
F911
F
(Page 40)
HS921
D921
>003P
POWER
TRANSFORMER
(MAIN)
T901
(Page 38)
G
F910
C930
KM77
>004P
SURR BACK AMP
BOARD
H
CN405
KM55, KM77
(Page 42)
1 3
CN957
>005P
SUB RECTIFIER
BOARD
CN932
(Page 40)
I R558
Q551
E C
KM55, KM77
J
K
STR-KM22/KM55/KM77
• See page 14 for Circuit Boards Location.
4 5 6
SUB RECTIFIER
BOARD
CN932
TB356
(Page 40)
SUBWOOFER
>015P
+ –
4
CN956
KM55, KM77
SPEAKERS
KM22
TB353 TB355 TB351
FRONT SURROUND SURROUND BACK
L R L R L
+ – + – + – + – + – + –
KM55, KM77
RR10 CC13
CC10
CC15
RR13
RR15
RR14
RR17
RY350
RY365 RY355 RY380
RY920
D937
D355
D365
FH955 KM77
D911
JW006
4
CN956
KM55, KM77
D913
C986
JL912
D912
C582
KM55, KM77
JL913
C983
C586
R578
R542
KM55, KM77
C931
R543
KM77
LP402
KM22
KM22
JW007
JW008
R701
CN958
6 1
C708
C558
R553 R703
R567 R708 R717 R608
TH253
Q550 Q701 Q700 Q601
B E C B E C B E C B E C
Q553 Q703
B E B E
>006P
SURR BACK AMP
(Page 42)
• : Uses unleaded solder.
7 8 9 10
BLUETOOTH
MODULE
KM77
>014P
1 SURR BACK AMP CN2900
1 1 13 13
BOARD
2 14
CN405
(Page 42)
TB354
CENTER J403
R
AUDIO AUDIO AUDIO
TV IN IN 2 IN 1
+ – –
+
L L L
(CHASSIS)
R R R
KM77
RR16
R2044 R2043
R2045
CC16
IC2110
RR18 IC2113
D2315
C2358
C2096
KM77 C2424
R420
C434
R423
RY360
C432
R422
R2900
CN2900
8 8 5 5 1 1 13 13
C433
IC402
1
2 14
IC350 1 1 4 4
3
D352 C354 C2901
2 R472
C2900
D356 FB2901
C482
C351
C355
C484 R470
2 3
R473
C483
C352
IC352
KM77
1
C853 C803
KM77
R831
R881
CN953
5 1 C753 C703
R731
1
R781
R931 C487
R581
C503 C553
R531
R934
C546 R631
C977
R681
D940
R932 C653 C603
C985 C713
C547
D941
C563
D939
R711
R713
C564
R560 C712
C732
R561
R929
R729
R579
R562 R712
C581 C731
B B B B D2307 D2306
Q570 Q720
C C C C
R610 R760
R611 R761
C612 C762
D572 C736 D722
R763
R613
R571 R722 R721
R572 R728 C632 C782
R629 R779 R663
R612 C631 R762
C781 C682
C720 R726
KM22 B B B B
R727 R725
Q770
Q620 R662
D721 R720
C984 C C C C
KM22
C570 R576
C636 D622 C786
R577 R575 D772
D571 R570
C686
D672
R628 R622 R621 R778 R772 R771
R678
C620 R626 C770 R776
R627 R625 R777 R775
D621 R620 D771 R770
KM77
R601
R751
C618
C758
R603 R753
R617 R758 R767
Q600 Q751 Q750
B E C B E C B E C B E
Q603 Q753
B E B E
KM77
CN953
5 1
BOARD
CN406
21 21
11 12 13
HDMI RE PC
J2301
BOARD
CN3009
COAXIAL
IN (Page 32)
PROGRAMMING JIG
>013P
(HDMI KSV)
OPTICAL OPTICAL
IN 2 IN 1
8
CN2801
1
IC2111 IC2112
1 2 3 1 2 3 C2064
R2041 R2042 IC2118
R2144
C2354
R2145
C2063
R2054
5 4
FB2043
8 1
R2080
C2006 C2007
D2304
X2001
R2055
C2359 FB2031
FB2047
FB2032
R2072 C2270
R2107
R2105 C2043
R2056
R2057
32 17 FB2041 R2038
FB2033
33 16
C2265
R2108 FB2039
B E
R2106 IC2114
R2101
Q2708
R2031
IC2105
R2064
R2065 R2061
C2273 C2269
48 1
R2062
8 7
49 64 R2060
C2040
R2118
C2042
C2266 14 1
C2060
IC2119
JL2112
JL2111
R2234
FB2038
R2235 Q2902
D D
RB2121 D D
R2098 G S
C2507
R2033
RB2102
R2032 RB2124
C2402
100 76
15 14
1 75
R2229
R2052
IC2106 D2323
R2040
28 1 R2007
R2095
IC2104 R2119
E B Q2001
Q2003 B E
R2010
R2087
R2025 R2008
8 5 25 51
FB2037 C2056
26 50
R2110 C2469
IC2107
R2135
C2417 C2416 IC2117
FB2800
1 4 X2002 R2142
FB2048 C2045 C2022
C2059
R2152
FB2050 Q2709
RB2107 C2700
D D
FB2049 D D
R449 G S
2 8
2 26
1 9
CN2503
IC2115
1 27
FB2051
CN2505
C2052 C2621 C2701
R2111
R660 R2232
R2112 R2707
R661
FB2052
R2710
C662
R810
R2708
C832 R811 IC2702
C860 R2233
C812
R813 R863
R860
R679
C862
C882
R829 R879
C681
B B
C831 R861 C881
R812 R862
Q670
B B B B
C C
Q820 Q870
C C C C
C545
C836 C886
D822 D872 R505 R547
R672 R671
C548
R822 R821 R872 R871
R828 R878 D536
C670 R676
C320
R677 R675 C820 R826 C870 R876
R827 R825 R877 R875 FB2034
D671 R670
D871 R870
D821 R820
R651 R801
C808
C658
R653 R803
R658 R667 R808 R817
C250
Q651 Q650 Q801 Q800
C B E C B E C B E C B
Q653 Q803
B E B E
2 8 2 26
CN2503
1 27
1 9
CN2505
>007P >008P
TUNER1AMPR LED BAR
BOARD BOARD
CN101 CN104
(Page 41) (Page 44)
STR-KM22/KM55/KM77
Ver. 1.2
14 15 16
DSP BOARD
CN5001
(Page 35)
>012P
2 CN2128 50
1 49
STANDBY BOARD
CN912
(Page 38)
>011P
9
7
6 4
IC2010
1 3 1 5
R2030
R2029
R2103 CN2511
HS2001
FB2045
C2168
R2035
2 CN2128 50
1 49
C2034
C2020
R2130
R2078
R2082
IC2803
C2808
FB2044
C2810
R2813
D2800 X2800
D2803
R2806
C2801
Q2901 B E
C2802
E B
X2800 D2802
Q2800
R2800
R2952
C2811
R2953
50 26 IC2903
R2826
C2928
51 25 R2926
R2827 4 1 C2925
R2829
5 8
R2828
IC2800 C2927
R2930
R2845
R2847
JL2802
R2846
R2848
75
R2924 R2928
1
76 100
JL2811
C2803
JL2844 C2812 R2925
RB2800
X2002
R2807
JL2843
JL2847 C2931
C2804
RB2802 R2711
R2712
FB2900
IC2701
R2713
R2714
5 4
R2725
C2716
R2704
8 1
R2703
C2703 X2700 10 1
C2704 11 40
IC2700
C2702
C2712 20 31
21 30
JL2703 JL2701
D2700
JL2702
JL2704
D2701 C2709
D2702 R2709 JL2705
C2705 JL2707 C2708
JL2706
HS2002
>010P
FRONT USB
BOARD
CN106
5 1 1 3 10 (Page 41)
CN2700
7 6
CN2504
R327
>009P
Q324 Q321
E B E B
D327 STANDBY BOARD
CN912
R851 R325
(Page 38)
C858
R853
R858 R867
R854
Q851 Q850
E C B E C B
Q853
B E
12
(12)
1-889-212-
Note: IC2010 and IC2700 on the MAIN board cannot exchange
with single. When these parts on the MAIN board are dam-
aged, exchange the entire mounted board.