Sony STR-KM5 / STR-KM7 Service Manual ▷ View online
5-5. BLOCK DIAGRAM – KEY/DISPLAY/USB Section –
92
FL DISPLAY DRIVER
IC100
14
I
29
31
93
99
100
5
6
30
12
11
51
53
53
54
X1(X_OUT)
X0(X_IN)
E2P_SDA
E2P_SCL
POWER_KEY
MD2
MD0
MD0
RST
SDA
SCL
EEPROM
IC2106
SIRCS
22
FL_DATA
7 DIN
21
FL_LAT
9 STB
23
FL_CLK
8 CLK
GRID1
I
GRID11
SEG1
I
SEG17
VOL_JOG
INPUT_JOG
AD_KEY_2
AD_KEY_1
31
2
REMOTE
CONTROL
SIGNAL
RECEIVER
IC102
OUT
SIRCS
+6.3V DCDC
SYSTEM
CONTROL
IC2105 (4/5)
MD2
MD0
RESET
MD0
RESET
61
60
60
FLASH_CLK
SO
SO
59 SI
CLK
SO
SI
SO
SI
4
1
2
34
36
RESET SWITCH
IC2019
DSP
IC2801 (2/2)
42
I
32
30
VEE
1
SW1
2
SW2
3
SW3
OUT
IN
IN
Q2006
1
37
VOUT
USB_OVC
EXCEPT SAF, AR
REGISTOR CONTROL
IC4102
62
RXIN2 USB SPDIF
DIGITAL AUDIO
INTERFACE RECEIVER
IC2806 (2/2)
6
4
Vout
1
Vin
FAULT
USB POWER SWITCH
IC4101
1
2
OUT
VDD
RESET SIGNAL
GENERATOR
IC2020
4
1
OUT_Y
Gate
2 In
MAIN RESET SWITCH
IC2033
DATA PROCESSOR
IC4100
44
MD
47
RESET_MAIN
SPDIF
33
USB-DM
34
40
53
41
USB-DP
XIN-PLL
IRPTO,
KEY-ROW1/MCHNG,
KEY-ROW3/SCL,
KEY-ROW4/SDA
KEY-ROW1/MCHNG,
KEY-ROW3/SCL,
KEY-ROW4/SDA
USB_IPOD_REQ,
USB_MCHNG,
USB_SDA,
USB_SCL
XOUT-PLL
13,12,10,8
39,48 - 50
IC4161
+3.3V
REG
+3.3V
+3.3V
STBY
STBY
+6.3V
DCDC
DCDC
IC101
+3.3V
REG
+3.3V
CN4101
4
X2101
4MHz
X4102
16.9344MHz
CN2509
8
9
3
9
3
4
5
6
5
6
S100
_/1
SW NETWORK
S103-105
SW NETWORK
S101-102
T100
DC CONVERTER
TRANSFORMER
Q100
SWITCHING
TRANSISTOR
D120
D121
D121
RV101
MASTER
VOLUME
VOLUME
2
3
3
RV100
INPUT
INPUT
SELECTOR
2
3
3
ND100
VACUUM
FLUORESCENT
DISPLAY
D122
D123
D123
SWITCHING
DIODE
INPUT LED
Q101
D100, D102 - D103,
D105, D107, D109
VOLUME LED
Q102
D139, D141 - D142,
D144, D146 - D147
BAR LED
Q103
D130, D132 - D133,
D135, D136, D138
FLASH
PROGRAMMING
D2019
3
4
4
2
D-
Vbus
Vbus
D+
DATA
SWITCH
VD4170-
VD4171
D4107
E
ET4100
AbbUeYiation
SAF : SoutK AIUiFan PoGeO
AR : AUJentina PoGeO
SAF : SoutK AIUiFan PoGeO
AR : AUJentina PoGeO
STR-KM5/KM7
STR-KM5/KM7
17
17
5-6. 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
SW-CH
SR-CH
SL-CH
SR-CH
+3.3V
(STBY)
+5V
-5V
-7V
+7V
1
6
2
3
3
DRIVE
PRE DRIVER
IC601
IN 1
+VOUT1
-VOUT2
8
12
11
11
IN 2
+VOUT2
-VOUT2
25
+5V
(STBY)
-5V
REG
IC202
+3.3V
REG
IC2107
-15V
+15V
+7V
REG
IC951
+5V
REG
IC2812
-7V
REG
IC950
+5V
REG
IC201
+5V
+12V
REG
IC600
FRONT_SPK_A_R
Y
SBL-SBR_R
Y
C/SL-SR_R
Y
PREOUT_SW_R
Y
PROTECTOR
IO_EX_CLK
IO_EX_LAT
IO_EX_DATA
IO_EX_OE
FUSE_DET
FAN_CTRL
82
SYSTEM
CONTROL
IC2105 (5/5)
PRE
DRIVE
6
2
3
3
DRIVE
PRE DRIVER
IC401
IN 1
+VOUT1
-VOUT2
8
12
11
11
IN 2
+VOUT2
-VOUT2
SBL-CH
SBR-CH
PRE
DRIVE
C-CH
6
2
3
3
DRIVE
PRE DRIVER
IC501
IN 1
+VOUT1
-VOUT2
PRE
DRIVE
PRE
DRIVE
6
2
3
3
DRIVE
PRE DRIVER
IC801
IN 1
+VOUT1
-VOUT2
8
12
11
11
IN 2
+VOUT2
-VOUT2
PRE
DRIVE
VOLTAGE
DETECTION
IC2421
SBL-CH
SBR-CH
SBR-CH
2-4,15
11-14
10-8,3
SHIFT REGISTER
IC2036
R
L
L
CENTER
SURROUND
SUBWOOFER
R
TB355
TB353
TB354
FRONT
SPEAKERS
T901
POWER TRANSFORMER
(MAIN)
F901
F902
POWER TRANSFORMER
(SUB)
T902
AC IN
~
RECT
D952
F952
F953
F954
F955
RY901
D904
F950
F951
F911
F912
RECT
D953-956
RECT
D912
PROTECTOR
D862-863
Q863-867
Q863-867
D520 -
523
POWER AMP
Q700-703,
Q750-753
POWER AMP
Q401-404,
Q451-454
POWER AMP
Q500-503,
Q550-553
POWER AMP
Q600-603,
Q650-653
POWER AMP
Q800-803
RY353
RY354
RY351
RELAY
DRIVER
Q354
RELAY
DRIVER
Q351
RELAY
DRIVER
Q353
R
L
TB351
SURROUND
BACK
RY950
RELAY
DRIVER
Q950
D2110,
2302,
2303
RY355
RELAY
DRIVER
Q355
2
1
TB352
RY352
RELAY
DRIVER
Q352
CURRENT
DETECT
Q761,762
CURRENT
DETECT
Q711,712
CURRENT
DETECT
Q405,406
CURRENT
DETECT
Q455,456
CURRENT
DETECT
Q811,812
CURRENT
DETECT
Q561,562
CURRENT
DETECT
Q511,512
CURRENT
DETECT
Q661,662
CURRENT
DETECT
Q611,612
RELAY
DRIVER
Q901
Q280,
Q697,
Q697,
Q699
FAN DRIVER
CN1501
CN1502
AC IN
DETECT
Q902
RECT
D902,D903
RECT
D932
F933
F932
F931
F934
RY931
230 - 240V
220V
120 - 127V
R
R
S901
VOLTAGE SELECTOR
RELAY
DRIVER
Q931
6LJQDOSDWK
: TUNER (FM/AM)
5FKLVRPLWWHGGXHWR
5FKLVRPLWWHGGXHWR
VDPHDV/FK
4
4
73
1
5
4
5
4
4
2
POWER_RY
80
STOP
TUNER/
AUDIO
SECTION
(Page 13)
(Page 13)
B
SIGNAL
SELECTOR
IC2032 (2/2)
M1
(FAN)
M
M2
(FAN)
M
KM7
KM5: E51, EA
KM7: EA
KM7: EA
$EEUHYLDWLRQ
E51 : &KLOHDQDQG3HUXYLDQPRGHOV
EA : 6DXGL$UDELDPRGHO
E51 : &KLOHDQDQG3HUXYLDQPRGHOV
EA : 6DXGL$UDELDPRGHO
Ver. 1.5
STR-KM5/KM7
STR-KM5/KM7
18
18
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
• All capacitors are in μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
and
1
/
4
W or less unless otherwise
specifi ed.
• f : internal component.
• 2 : nonfl ammable resistor.
• 5 : fl usible resistor.
• C : panel designation.
• 2 : nonfl ammable resistor.
• 5 : fl usible resistor.
• 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 a VOM (Input impedance 10 M
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal production
tolerances.
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.
F :
F :
TUNER
(FM/AM)
f :
TUNER
E :
VIDEO
J
: DVD (DIGITAL)
• Abbreviation
E12
E12
: 220-240V AC area in E model
E51
: Chilean and Peruvian model
AR :
Argentina
model
AUS : Australian model
EA
EA
: Saudi Arabia model
SAF : South African model
SP
SP
: Singapore model
TH :
Thai
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.)
• Indication of transistor.
C
B
These are omitted.
E
Q
C E
B
These are omitted.
Note: The components identifi ed by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specifi ed.
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.
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
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.
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Abbreviation
E12
E12
: 220-240V AC area in E model
E51
: Chilean and Peruvian model
AR :
Argentina
model
AUS : Australian model
EA
EA
: Saudi Arabia model
SAF : South African model
SP
SP
: Singapore model
TH :
Thai
model
• Circuit Boards Location
• Abbreviation
AR :
AR :
Argentina
model
SAF : South African model
SUB RECTIFIER board
POWER KEY board
LED BAR board
USB board
(except SAF, AR)
(except SAF, AR)
DISPLAY board
POWER AVIDEO board
SURR BACK AMP board
(KM7)
(KM7)
DCDC board
TUNER1 board
HDMI RE PC board
DIGITAL AUDIO board
MAIN board
THERMAL board
Ver. 1.5
STR-KM5/KM7
STR-KM5/KM7
19
19
STR-KM5/KM7
STR-KM5/KM7
20
20
5-7. PRINTED WIRING BOARD – DIGITAL AUDIO Board (Side A) –
• See page 19 for Circuit Boards Location. •
: Uses unleaded solder.
Ver. 1.5
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
IC2106
IC2812
1
100
8180
51
30
31
IC2105
50
IC2804
IC2036
IC2421
IC2007
IC2805
IC2123
IC2009
1
14
15
28
IC2351
IC2352
IC2806
1
16
17
32
33
48
49
64
IC2303
IC2813
133
132
88
89
45
44
176
1
IC2801
177
IC2019
IC2033
IC2020
IC2802
IC2010
VCC
O
VCC
O
R2860
R2861
R2863
R2864
R2865
R2866
R2867
R2868
R2099
R2872
R2875
R2876
RB2010
R2880
R2881
R2882
R2886
R2889
R2895
R2897
R2898
R2899
1
12
CN2103
CN2104
CN2105
1
1
14
14
C2101
1
11
3
4
CN2501
1
8
CN2502
1
2
15
14
CN2503
CN2504
1
6
CN2506
CN2506
1
2
21
20
CN2508
C21
14
CN2509
19
C2501
C2119
C2502
C2503
C2504
C2507
C2121
C2125
C2126
C2127
R2100
C2128
C2512
R2105
R2107
X2800
C2130
R2109
X2801
C2901
C2131
D2302
D2303
D21
10
C2136
C2137
C2909
R2111
R2112
R21
16
C2140
C2912
C2913
FB2603
FB2604
R2311
C2917
FB2608
C2918
R2124
R2125
FB2031
FB2032
C2920
R2129
C2923
R2321
R2322
R2132
R2327
C2351
R2906
FB2043
D2717
C2354
D2719
C2355
C2358
C2359
D2720
D2721
D2722
R2912
D2723
D2724
C2361
R2725
R2919
R2726
R2727
R2728
R2729
C2370
R2925
R2732
R2733
R2540
R2158
R2735
R2541
R2159
R2929
R2736
R2351
R2354
R2930
R2932
R2356
R2933
R2357
R2358
C2961
C2962
C2963
C2964
C2965
C2966
C2967
R2940
C2968
R2941
C2969
R2172
R2173
R2945
R2947
R2948
C2970
R2949
C2972
C2973
C2974
C2975
R2759
C2976
C2977
C2978
R2957
R2958
R2959
R2960
R2962
R2963
RB2102
R2392
RB2103
RB2104
RB2105
RB2107
RB2109
FB2884
R2979
FB2885
FB2889
R2983
R2984
FB2890
R2985
FB2891
RB21
19
R2986
FB2892
R2987
FB2893
FB2894
R2989
RB2121
RB2123
RB2124
RB2125
RB2126
R2992
RB2127
R2993
R2997
R2998
R2999
C2001
JL2808
JL2809
X2101
JL281
1
JL2812
C2203
C201
1
C2206
C2013
J2301
C2402
C2022
C2023
FB2101
C2413
C2609
R2006
R2007 C2418
C2421
C2422
D2018
C2424
R2015
C2619
FB2501
FB2502
C2814
R2211
C2815
C2816
C2818
R2601
R2602
R2607
C2823
C2248
R2220
C2825
C2826
R2802
R2610
R2809
R2615
R2421
R2617
R2618
R2619
C2838
C2069
R2815
R2621
R2622
R2816
C2070
C2841
C2459
R2626
C2842
C2266
C2072
C2074
C2846
C2847
C2849
R2052
R2824
R2825
R2249
C2465
R2826
C2466
C2273
R2058
C2274
C2468
R2829
R2059
C2469
C2858
C2470
R2831
R2834
R2835
R2837
R2838
C2860
C2861
C2863
C2864
C2865
C2866
C2096
C2868
C2869
R2843
R2846
R2847
R2849
C2873
C2875
C2876
C2877
R2851
R2852
R2854
R2855
R2856
R2857
R2858
R2859
C2881
C2883
R2002
FB2896
FB2801
2
9
1
8
CN2505
FB2033
FB2898
FB2899
R2620
A2001
R2157
C2853
DIGITAL
AUDIO
BOARD
(SIDE A)
1-885-324-
11
(11)
(CHASSIS)
(CHASSIS)
COAXIAL
BD/DVD IN
FLASH
PROGRAMMING
OPTICAL
SAT/
CATV
IN
OPTICAL
GAME
IN
DIGITAL
I
MAIN BOARD
CN300
(Page 26)
H
MAIN BOARD
CN301
(Page 26)
A
TUNER1
BOARD
CN101
(Page 46)
B
LED BAR
BOARD
CN104
(Page 41)
C
THERMAL
BOARD
CN250
(Page 48)
D
USB
BOARD
CN4100
(Page 42)
E
DCDC BOARD
CN1503
(Page 39)
F
POWER
AVIDEO BOARD
CN271
(Page 35)
G
HDMI RE PC
BOARD
CN3512
(Page 31)
X2101
FLASH
PROGRAMMING
Note: IC2036 on the DIGITAL AUDIO board cannot exchange
with single. When this part on the DIGITAL AUDIO board is
damaged, exchange the entire mounted board.
damaged, exchange the entire mounted board.
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