No.52106
No.52106
AV-28X37SUE
AV-28X37HKE AV-28X35HKE
AV-28X37HIE AV-28H35SUE
AV-28X35HUE AV-28H35BUE
AV-28X37SUE
AV-28X37HKE AV-28X35HKE
AV-28X37HIE AV-28H35SUE
AV-28X35HUE AV-28H35BUE
MAIN PWB CIRCUIT DIAGRAM (2/2) SHEET 2
2-7
2-8
VOLTAGE (V)
PIN NO.
VOLTAGE (V)
PIN NO.
VOLTAGE (V)
PIN NO.
VOLTAGE (V)
PIN NO.
VOLTAGE (V)
PIN NO.
VOLTAGE (V)
PIN NO.
VOLTAGE (V)
PIN NO.
VOLTAGE (V)
PIN NO.
VOLTAGE (V)
PIN NO.
VOLTAGE (V)
PIN NO.
VOLTAGE (V)
PIN NO.
VOLTAGE (V)
PIN NO.
IC201
1
3.8
2
4.3
3
3.8
4
4.3
5
4.3
6
6.5
7
7.0
8
3.8
9
4.3
10
3.8
11
0
12
4.3
13
6.5
14
0
15
3.8
16
4.3
17
3.8
18
4.3
19
4.3
20
6.5
21
0
22
4.3
23
4.3
24
4.3
25
0
26
4.4
27
4.4
28
4.3
29
4.2
30
4.3
31
3.4
32
4.4
33
3.4
34
8.8
35
0
36
4.8
37
4.3
38
4.3
39
4.3
40
4.4
41
4.3
42
0
43
4.1
44
0
45
4.2
46
4.3
47
3.8
48
4.3
IC501
1
5.7
2
5.7
3
5.7
4
12.0
5
3.3
6
3.3
7
2.2
8
2.5
9
0
10
2.4
11
0
12
2.9
13
2.9
14
0
IC701
1
0
2
0
3
0
4
0
5
3.2
6
3.2
7
0
8
3.2
IC901
1
12
2
8.0
3
0
IC902
1
4.9
2
0
3
0
4
3.3
5
5.5
6
0
7
5.5
Q201
E
4.4
B
0
C
4.4
Q202
E
4.4
B
0
C
4.4
Q203
E
0
B
0
C
6.5
Q204
E
0
B
0
C
6.5
Q205
E
0
B
0
C
6.5
Q206
E
0
B
0
C
6.5
Q207
E
0
B
-0.8
C
0
Q208
E
0
B
0
C
6.5
Q209
E
0
B
0
C
6.5
Q210
E
0
B
0
C
-0.6
Q211
E
0
B
-0.6
C
0
Q212
E
0
B
0
C
-0.6
Q213
E
0
B
-0.7
C
0
Q214
E
0
B
-0.5
C
0
Q215
E
2.0
B
1.3
C
0
Q216
E
3.7
B
4.4
C
8.8
Q217
E
2.8
B
3.4
C
8.8
Q305
E
1.0
B
1.7
C
5.8
Q501
E
0.1
B
-1.2
C
12
Q502
E
1.0
B
1.6
C
4.9
Q701
E
5.4
B
5.6
C
-
Q702
E
0
B
-
C
3.4
IC701
AT24LC-28X37SUE
AT24LC-28X37HKE
EEPROM
D208
C235
C203
C234
Q217
R286
C210
R287
C225
R288
C237
R289
R290
C231
R281
R282
Q215
R291
R285
R284
R283
C232
C233
D209
R270
R269
R267
R265
R249
Q209
Q208
R250
R255
R257
R256
R253
C219
R251
R254
R219
Q206
Q205
R225
R229
R231
R230
R227
C212
R226
R204
R228
C238
Q204
Q203
R248
C213
R222
R224
R240
R223
R213
R221
C211
R220
R203
R243
R245
C206
R247
R214
R241
R212
R242
C229
C230
C215
R279
R280
C228
R235
C216
C214
R237
C711
R234
R236
R244
C207
R215
R216
Q212
Q213
CN001
R246
C209
R217
R218
R266
C223
R273
R271
R268
CN00F
CN00K
C224
R274
R272
R709
R207
R206
R205
Q702
R710
C202
C204
C205
R211
R210
R208
R209
D202
D203
D201
C208
IC902
Q207
R261
R262
R232
R233
D205
D204
C220
C221
R263
C902
C236
C903
R275
R276
R258
R259
D207
D206
C226
C227
R260
C239
Q201
Q202
PROTECT
6V
STB_5V
R202
R201
CN0C1
R701
R705
D704
D703
D702
D701
CN0RT
8V
C514
R311
C310
C503
R539
32V
9V
R312
D503
A_VCC
A2_GND
C551
5V
C703
C240
C552
C554
IC551
R552
CN003
CN004
CN005
Q305
R551
R556
R557
R553
R559
R560
R555
R554
R538
R535
C555
GND
C553
R558
Q504
C513
CN0RT
C505
R551
Q210
Q214
Q211
D982
C217
C901
IC901
D981
C218
C906
R505
IC501
C907
C904
C905
R502
R503
D502
R506
R517
R501
R504
C502
R552
R514
C501
D504
CN00B
C509
R536
Q501
R524
R523
R526
R527
R525
R507
R511
R513
C515
D501
R512
R510
R509
C504
R537
R529
R532
C510
R530
Q502
R533
R528
CN002
R531
R521
R519
R515
R516
R520
R277
R278
Q216
R553
D705
R534
Q701
C702
C561
C562
CN00R
Q218
R554
R706
C701
R707
R555
R708
C512
R556
R522
Q503
R557
W_ON/OFF
C303
C302
C304
C301
R315
R314
R313
C308
C309
C511
R558
R559
IC201
R560
IC551
R518
Q219
R292
K552
C551
C552
C553
C554
C555
R293
K551
R252
C222
R264
R239
R238
C201
R702
R703
R704
H/P_R
H/P_L
AGC
SDA1
L
R
LTV
RTV
AFC
A_MUTE
MSP_RST
P_ON/OFF
SCL1_2
AMP_MUTE
SDA2
V_TV
C507
C508
C506
A.MUTE
A_PROT
R1/2
NCF31AZ-105X
N
R1/2
OMF1
SW
SW
SW
SW
NCF31AZ-105X
SW
SW
NCF31AZ-105X
NCF31AZ-105X
NCF31AZ-105X
MUTING
MUTING
DTC323TK-X
QGB1505J1-35
NCF31AZ-105X
NCF31AZ-105X
QGA2501C1-12
QGA2501C5-05Z
NCF31AZ-105X
RESET
NCF31AZ-105X
NCF31AZ-105X
CH
MM1565AF-X
MUTING
DTC323TK-X
SW
SW
QGA2501F1-06
MA3056/M/-X
MA3056/M/-X
MA3056/M/-X
MA3056/M/-X
QGA2501C5-03Z
R1/2
80%
80%
80%
QGB1506L1-16
QGB1506L1-16
QGB1506L1-16
80%
INV
SML-
1902A-U2
1002A-U2
MUTING
MUTING
DTC323TK-X
MUTING
DTC323TK-X
CH
AN78L08-T
CH
/6.3
NCB20JK-225X
VCC
GND
BA10324AF-XE
CH
/10
NCF31AZ-105X
QGA2501C5-04Z
EHT
CORRECT
CORRECT
EHT
QGC2507C1-96
BUFFER
RESET
CH
CH
QGA2501C1-09
SW
DTC323TK-X
INV
/16
R1/2
CN002
CXA2089Q-X
SW
DTC323TK-X
QQR0621-002Z
QQR0621-002Z
N
CH
Vo
NC
GND
Cn
Cont
Sub
Vin
CH
CH
Vcc
TEST
SCL0
SDA0
Vss
A2
A1
A0
SDA1
GND
H/P_DET
PROTECT
REMOCON
KEY3
PW_LED
KEY2
PW_ON/OFF
KEY1
GND
STB_5V
STB3.3V
GND
SCL0
SDA0
SCL1_2
SCL1_2
ECO
ROTATION
GND
GND
GND
GND
GND
GND
EW
SC_YS1
HFLB
SC_R1
HD
SC_G1
ABL
SC_B1
VD+
SC_R2/R-Y50
VD-
SC_G2/Y50
VPROT
SC_B2/B-Y50
HPROT
M_C
M_CV/Y
NC
NC
NC
HD
NC
6V
6V
IK
VM
Rout
Gout
Bout
NC( PWMV)
6V
6V
GND
GND
GND
GND
GND
GND
AV_LINK
YS2
C.V
5V
5V
S_CV
12V
12V
NC
NC
NC
NC
NC
SDA2
AUDIO_MUTE
AMP_MUTE
GND
V_PULSE
H_PULSE
GND
A_PROT
NC
AFC
AGC
GND
GND
MSP_RESET
NC
NC
RESET
IIC_FREE
W_ON/OFF
ZD12
100/16
.01
.01
NPN2
100
.01
150
.01
75
100
100
10/25
1k
1k
PNP2
75
100
180
100
100/16
100/16
ZD12
100
100
100
100
100
NPN
NPN
33k
15k
27k
47k
82k
.001
47k
22k
10k
NPN
NPN
33k
15k
27k
47k
82k
.001
47k
22k
10k
NPN
NPN
33k
15k
27k
100
47k
100
82k
.001
47k
22k
100
100
10/50
100
100
100
100
100
10/50
10/25
10/50
5.6k
5.6k
.01
33k
OPEN
33k
.1/16
2.2k
2.2k
100
2.2k
33k
PNP
100
2.2k
33k
100
2.2k
33k
100
2.2k
33k
2.2k
75
75
75
NPN
100k
10/50
33k
33k
2.2k
2.2k
ZD12
ZD12
ZD12
OPEN
390
390
82k
82k
ZD12
ZD12
10/50
10/50
100k
.1/16
470/16
100/16
390
390
82k
82k
ZD12
ZD12
10/50
10/50
100k
470/16
NPN
NPN
10K
10K
OPEN
220
OPEN
390
.22/16
1000p
OPEN
68
DI
*
OPEN
OPEN
*
*
*
*
NPN2
*
*
*
*
*
*
*
*
OPEN
OPEN
*
*
*
OPEN
OPEN
OPEN
OPEN
.1/16
PNP
DI
OPEN
100/16
DI
OPEN
2.2
120k
470p
1
10/50
12k
4.7k
DI
4.7k
12k
12k
12k
OPEN
3.9k
OPEN
DI
.1/16
220k
NPN
220k
220k
68k
56k
22k
27k
6.8k
3.3k
.01
DI
15k
56k
12k
.1/16
12k
82k
12k
.033/25
1M
NPN
2.7k
4.7k
4.7k
47k
4.7k
33k
12k
33k
100
2.2K
NPN
DI
OPEN
PNP
.1/16
39p
OPEN
100
.1
100
0
OPEN
OPEN
OPEN
220
OPEN
.01
OPEN
68
22k
390
.22/16
.001
OPEN
12k
10k
10k
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
10k
10/50
100
100
100
10/50
220
220
220
.1/16
100/16
.1/16
SDA2
V1
C3
L3
TV_OUT
R3
SC_YS1
V2/Y2
GND
L
R
GOUT
ROUT
BOUT
SVM
12V
SCL1_2
IK
RT_GND
PROTECT
RT_12V
A.MUTE
KEY3
KEY2
SC_R1
KEY1
V3/Y3
HP_DET
SC_G1
SC_B1
SLOW1
REMOCON
H/P_L
L1
L_TVOUT
R1
R_TVOUT
V1
LTV
W_ON/OFF
LED
RTV
HFLB
EW
L1
HPROT
PROTECT
R1
SLOW2
V2/Y2
SLOW2
V2_OUT
SC_YS2
C3
SC_G2
AV_LINK
SLOW3
R2
SC_B2
L2
H/P_R
VD+
L3
V4
Y4
C4
V3/Y3
L_TVOUT
R4
L4
P_ON/OFF
V_TV
R3
R_TVOUT
LTV
L2
SLOW3
VPROT
VD_
RESET
VS
R2
ABL
HS
RGB_5V
HD
C2/SC_R2
V2_OUT
IIC_FREE
SDA0
SCL0
SLOW1
V_TV
TV_OUT
SDA1
SCL1_2
PROTECT
A_PROT
A_PROT
V4
C4
ROTATE
SDA2
SCL1_2
SC_B2
SCL1_2
SCL1_2
SDA2
SDA1
AFC
AGC
MSP_RST
A.MUTE
P_ON/OFF
L4
A_MUTE
AMP_MUTE
R4
Y4
H/P_L
RTV
H/P_R
A.MUTE
SC_G2
C2/SC_R2
SC_B1
SC_G1
SC_R1
SC_YS1
EW
HFLB
HD
ABL
LTV
RTV
VD+
VPROT
HPROT
L
R
ROUT
GOUT
IK
AV_LINK
SC_YS2
SVM
BOUT
MSP_RST
VS
HS
AGC
AFC
AMP_MUTE
A_MUTE
IIC_FREE
SDA2
SDA1
SDA0
SCL0
HP_DET
KEY1
KEY2
KEY3
P_ON/OFF
LED
REMOCON
SCL0
SDA0
VD_
RESET
ROTATE
W_ON/OFF
SML-1002A-U2:AV-28X37SUE,AV-28X37HIE,AV-28H35SUE,
AV-28H35BUE,AV-28X35HUE
SML-1902A-U2:AV-28X37HKE,AV-28X35HKE
IC201-23
IC201-40
1Vp-p
2.2Vp-p
IC201-33
IC201-43
IC201-45
2Vp-p
1Vp-p
2.2Vp-p
CN002-4
CN002-11
CN002-13
CN002-14
CN002-31
23Vp-p
1.8Vp-p
1.3Vp-p
6.8Vp-p
3.4Vp-p
CN002-32
3.2Vp-p
CN002-5
CN002-10
CN002-24
CN002-25
CN002-26
3Vp-p
1.8Vp-p
2Vp-p
2Vp-p
2.1Vp-p
AV SELECT