Sony STR-KM2 / STR-KM3 Service Manual ▷ View online
STR-KM2/KM3
STR-KM2/KM3
37
37
5-24. SCHEMATIC DIAGRAM – DISPLAY Board –
• See page 18 for Waveforms. • See page 45 for IC Block Diagrams.
Ver. 1.1
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
17
DISPLAY BOARD
-19.4
-23.8
-19.4
-24
-17
-26
-24
-26.7
-24.2
-24.4
-24.3
0 3.1 3.1
0
2 1.5
0 3.3 3.3
-19.4
-21.7
-21.7
-17.3
-19.5
-24
0
-26
0
3.3
-24.3
-24.3
-24.3
-24.3
-24.3
-24.3
-24.3
-24.3
-24.3
3.3
0.9
0.3
0.9
0.3
0.9
0.3
6.3
6.3
3.3
3.3 3.3
0
4.3
4.3
0
1
2
3
4
5 6
7
8
9 10 11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
35
36
37
38
39
40
41
42
43
44
2
3
5
6
8
7
1
9
4
VCC
OUT
GND
1
12
3
4
5
6
7
8
9
4
5
6
7
8
9
10
11
11
14P
6G
2G
7G
4P
2P
8G
17P
11
G
10G
11
P
1G
9G
3G
4G
3P
13P
7P
10P
5P
5G
6P
1P
15P
12P
9P
16P
8P
FL_LAT
FL_CLK
FL_DIN
LED_BAR
VOL_LEDS
INPUT_LEDS
1G
2G
17P
3G
16P
15P
4G
14P
5G
13P
12P
6G
11
P
10P
7G
9P
8P
8G
7P
6P
9G
5P
10G
4P
3P
2P
1P
11
G
IC100
PT6315
SW1
SW2
SW3
SW4
OSC
DOUT
DIN
CLK
STB
KEY1
KEY2
VSS
VDD
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG1
1
SEG12
SEG13
SEG14
SEG15
SEG16
VEE
SEG17
GRID1
1
GRID10
GRID9
GRID8
GRID7
GRID6
GRID5
GRID4
GRID3
GRID2
GRID1
VDD
VSS
GRID8
GRID7
GRID6
GRID5
GRID4
GRID3
GRID2
GRID1
VDD
VSS
D122
MC2840-T112-1
DC CONVERTER
TRANSFORMER
T100
C109
220p
C1
10
220p
C1
11
220p
D123
MC2840-T112-1
D120
1SR154-400TE-25
D121
1SR154-400TE-25
C116
0.1
50V
C118
0.1
C114
0.1
C108
0.1
C103
0.1
Q103
LED DRIVER
2SC3052EF-T1-LEF
Q102
LED DRIVER
2SC3052EF-T1-LEF
Q101
LED DRIVER
2SC3052EF-T1-LEF
JL106
JL108
JL109
JL109
JL110
JL111
JL112
JL113
JL114
JL115
JL113
JL114
JL115
CL144
CL145
JL105
JL107
C106
0.01
CL103
CL104
CL105
CL106
CL107
CL108
CL109
CL1
10
C
L111
CL1
12
CL1
13
CL114
CL115
CL116
CL117
CL118
CL119
CL120
CL121
CL122
CL123
CL124
CL125
CL126
CL127
CL128
CL129
CL130
CL131
CL132
CL133
CL134
CL135
CL136
CL137
CL138
CL139
CL140
CL141
CL142
CL143
CL136
CL137
CL138
CL139
CL140
CL141
CL142
CL143
L100
47uH
C102
47
16V
C115
10
C122
10
IC101
MM3404A33URE
1
CE
2
GND
3
Vout
4
Vi
n
C113
1
C112
1
C117
10
33k
R121
10k
R131
10k
R130
10
R135
33k
R136
100
R137
CN101
12P
SIRCS
INPUT_LEDS
+3.3V STBY
DGND
+6.3V DCDC
FLGND
FL_LAT
FL_CLK
FL_DIN
LED_BAR
VOL_LEDS
DGND
+6.3V DCDC
FLGND
FL_LAT
FL_CLK
FL_DIN
LED_BAR
VOL_LEDS
VACUUM FLUORESCENT DISPLAY
ND100
4
5
0
5
9
4
8
4
7
4
6
4
5
4
4
4
3
4
2
4
1
4
0
4
9
3
8
3
7
3
6
3
5
3
4
3
3
3
2
3
1
3
0
3
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
2
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
9
8
7
6
5
1
4
2
53
C104
0.022
100
R129
100
R128
100
R127
C105
4700p
C107
47
35V
1k
R120
Q100
SWITCHING
TRANSISTOR
QS5W2TR
680
R123
680
R124
680
R125
82k
R126
D124
DZ2J056M0L
100
R133
100
R122
PNA4823M03S0
IC102
REMOTE CONTROL
SIGNAL RECEIVER
IC102
FL DISPLAY DRIVER
IC100
+3.3 REG
IC101
IC B/D
N
LED BAR
BOARD
CN103
(Page 40)
6
STR-KM2/KM3
STR-KM2/KM3
38
38
5-25. PRINTED WIRING BOARD – DCDC Board –
• See page 12 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
IC1600
IC1500
C1505
C1506
C1509
C1510
C1511
D1500
L1600
L1601
C1605
C1606
C1609
C1610
C1611
D1600
L1500
L1501
R1600
R1500
R1601
R1501
R1602
R1502
R1503
R1604
R1504
C1604
C1504
R1605
R1505
R1506
R1612
R1512
C1612
C1512
CN1503
13
1
R1603
C1630
C1600
C1500
C1529
C1629
1
9
CN1500
C1501
C1601
C1602
C1502
C1503
C1603
C1607
C1507
C1608
C1508
A1501
A1502
LP1503
CL1500
CL1501
CL1502
CL1504
CL1510
CL1511
CL1512
CL1513
(CHASSIS)
(CHASSIS)
L
HDMI RE
BOARD
CN3510
(Page 30)
E
DIGITAL
AUDIO
BOARD
CN2502
(Page 19)
M
POWER
AVIDEO
BOARD
CN912
(Page 34)
DCDC BOARD
(SIDE A)
1-885-325-
11
(11)
DCDC BOARD
(SIDE B)
1-885-325-
11
(11)
(CHASSIS)
KM3
STR-KM2/KM3
STR-KM2/KM3
39
39
5-26. SCHEMATIC DIAGRAM – DCDC Board –
1
A
B
C
D
E
2
3
4
5
6
7
8
9
10
11
DCDC BOARD
4
0.5
0.8
10
4
13
1.8
6
0.5
0.8
12.2
4
13
1.8
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
11
12
13
D1500
RB051LA-40TR
L1501
10uH
D1600
RB051LA-40TR
L1601
10uH
L1500
10uH
L1600
10uH
CL1500
CL1501
CL1502
CL1504
C1606
1000
25V
IC1500
TPS54331GDR
IC1600
TPS54331GDR
1 BOOT
2 VIN
3 EN
4 SS
5
VSNS
6
COMP
7
GND
8
PH
C1504
0.01
C1604
0.01
10k
R1504
1.5k
R1505
1.5k
R1605
10k
R1604
1k
R1506
0
R1503
150k
R1502
68k
R1602
330k
R1600
330k
R1500
C1512
1000p
C1612
1000p
22
R1512
22
R1612
CN1503
13P
+4V
+4V
GND
GND
+6V
+4V
+4V
GND
GND
GND
GND
+6V
+6V
+4V
GND
GND
+6V
+4V
+4V
GND
GND
GND
GND
+6V
+6V
C1630
0.1
C1609
0.1
C1509
0.1
C1605
0.1
C1505
0.1
1
2
3
4
5
6
7
8
9
CN1500
9P
+R3 supply (+13V)
+R3 supply (+13V)
R3 GND
R3 GND
S_FAN-
S_FAN+
B_FAN-
B_FAN+
C1600
0.1
C1601
10
C1602
10
C1603
10
C1500
0.1
C1501
10
C1502
10
C1503
10
470
R1603
C1507
15p
C1607
47p
C1608
68p
C1508
220p
82k
R1501
82k
R1601
C1629
10
C1611
0.1
C1610
0.1
C1529
10
C151
1
0.1
C1510
0.1
1 BOOT
2 VIN
3 EN
4 SS
5
VSNS
6
COMP
7
GND
8
PH
C1506
1000
25V
+4V REG
IC1500
+6V REG
IC1600
M
POWER
AVIDEO
AVIDEO
BOARD
CN912
(Page 35)
HDMI RE
BOARD
(2/2)
CN3510
(Page 33)
L
DIGITAL AUDIO
BOARD
(4/4)
CN2502
(Page 24)
I
LP1503
(CHASSIS)
KM3
STR-KM2/KM3
STR-KM2/KM3
40
40
5-27. PRINTED WIRING BOARD – LED BAR Board –
• See page 12 for Circuit Boards Location. •
: Uses unleaded solder.
5-28. SCHEMATIC DIAGRAM – LED BAR Board –
1
A
B
C
D
E
2
3
4
5
6
7
8
9
10
11
12
13
14
LED BAR BOARD
RV101
1
2
3
S105
GAMING
JL117
JL118
JL119
JL120
JL121
JL118
JL119
JL120
JL121
1
3
4
5
6
3
4
5
6
CN102
6P
PW_SW
INPUT_JOG
INPUT_LEDS
DGND
+6.3V DCDC
1
12
3
4
5
6
7
8
9
4
5
6
7
8
9
10
11
11
CN103
12P
SIRCS
INPUT_LEDS
+3.3V STBY
DGND
+6.3V DCDC
FLGND
FL_LAT
FL_CLK
FL_DIN
LED_BAR
VOL_LEDS
DGND
+6.3V DCDC
FLGND
FL_LAT
FL_CLK
FL_DIN
LED_BAR
VOL_LEDS
JL130
JL131
JL132
JL133
JL134
JL135
JL136
JL137
JL138
JL139
JL140
JL141
JL142
JL143
JL144
JL145
JL146
JL147
JL134
JL135
JL136
JL137
JL138
JL139
JL140
JL141
JL142
JL143
JL144
JL145
JL146
JL147
JL122
JL123
JL124
JL125
JL126
JL127
JL128
JL129
JL123
JL124
JL125
JL126
JL127
JL128
JL129
CL146
CL147
10k
R160
22k
R159
1k
R161
1k
R163
2.2k
R162
C124
2200p
C123
2200p
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
15
11
12
13
14
15
15P
CN104
FL_DIN
FL_CLK
FL_LAT
FLGND
+6.3V DCDC
DGND
+6.3V DCDC
DGND
+3.3V STBY
SIRCS
PW_SW
AD1
AD2
INPUT_JOG
VOL_JOG
FL_CLK
FL_LAT
FLGND
+6.3V DCDC
DGND
+6.3V DCDC
DGND
+3.3V STBY
SIRCS
PW_SW
AD1
AD2
INPUT_JOG
VOL_JOG
R154
*5
R157
*5
R156
*5
R152
*5
JL150
R151
*4
0.1
C130
D147
D146
C134
C137
0.1
0.1
SIRCS
FL_LA
T
FL_CLK
FL_DIN
INPUT_LEDS
INPUT_JOG
VOL_LEDS
VOL_JOG
PW_SW
AD1
AD2
AD2
*1
R148
*3
D138
DZ2J043M0L
D160
*1
R146
*3
D136
DZ2J043M0L
D159
*1
R145
*4
D135
DZ2J043M0L
D158
*2
R143
*4
D133
DZ2J043M0L
D157
*2
R142
*3
D132
DZ2J043M0L
D156
*1
R140
*3
D130
BAR LED
VOLUME LED
VOLUME LED
VOLUME LED
BAR LED
BAR LED
BAR LED
BAR LED
BAR LED
DZ2J043M0L
D155
*1
*1
D144
VOLUME LED
*1
R149
*4
D139
*2
VOLUME LED
D141
*2
VOLUME LED
D142
*1
S104
MUSIC
S102
MOVIE
MASTER VOLUME
S101
SURROUND
SPEAKER
S103
M-TURBO
CN106
(CHASSIS)
*1
D130, D132, D136, D138,
D142, D144, D146, D147
1L0352V22F3MIT02
(SAF)
1L0353W61B3MKT01
(EXCEPT SAF)
*2
D133, D135, D139, D141
1L0353Y22G3MKT01
(SAF)
1L0352W32B0MIT01
(EXCEPT SAF)
*3
R140, R142, R146, R148
330
(SAF)
150
(EXCEPT SAF)
*4
R143, R145, R149, R151
180
(SAF)
120
(EXCEPT SAF)
*5
R152, R154, R156, R157
220
(SAF)
150
(EXCEPT SAF)
O
POWER
KEY
BOARD
CN100
(Page 44)
N
DISPLAY
BOARD
CN101
(Page 37)
C
DIGITAL
AUDIO
BOARD
(2/4)
CN2503
(Page 22)
1
A
B
C
D
E
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PL100
PL101
RV101
1
6
3
CN102
11
2
3
CN103
14
2
15
1
CN104
CN106
S101
S102
S103
S104
S105
D130
D132
D133
D135
D136
D138
D139
D141
D142
D144
D146
D147
CL146
CL147
JR
JR
JR200
C137
JR
JR
JR202
JR
JR203
JR
JR205
JR
JR206
JR
JR
JR
JR207
JR
JR208
JR209
JR
JR210
JR211
JR
JR212
JR
JR214
JR204
JR213
JR
JR215
C134
JR217
JR
JR
JR230
JR
JR231
JR
JR232
JR221
JR201
C130
JL150
JR
JR
JR233
JR
JR234
JR235
R140
R142
R143
R145
R146
R148
R149
R151
R152
R154
R156
R157
R159
C123
R160
C124
R161
D155
D156
D157
D158
D159
D160
R162
R163
JL117
JL118
JL1
19
JL120
JL121
JL122
JL123
JL124
JL125
JL126
JL127
JL128
JL129
JL130
JL131
JL132
JL133
JL134
JL135
JL136
JL137
JL138
JL139
JL140
JL141
JL142
JL143
JL144
JL145
JL146
JL147
JR
JR
GAMING
MUSIC
MOVIE
M -TURBO
SURROUND SPEAKER
MASTER
VOLUME
N
DISPLAY
BOARD
CN101
(Page 36)
B
DIGITAL
AUDIO
BOARD
CN2503
(Page 19)
O
POWER KEY
BOARD
CN100
(Page 44)
LED BAR BOARD
1-885-353-
12
(12)
(CHASSIS)
Ver. 1.1
Click on the first or last page to see other STR-KM2 / STR-KM3 service manuals if exist.