AV32H20EUS
AV28H20EUS
AV28H20EUB
AV32H20EUS
AV28H20EUS
AV28H20EUB
No.51945
No.51945
2-5
2-6
CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAM
[1/2]
QGA2501C1-10
CN013
QGF1220C2-25
CN002
2.2k
R595
*1
RESET
Q592
100k
R596
220
R314
SDA2
SCL2
*3
D317
*3
D318
24.576MHz
QAX0549-001Z
X501
15p
CH
C502
0
R501
.22/16
80%
C551
100
R301
100
R302
.1
/1
6
C
3
0
2
.1/16
C303
8V
.1
/1
6
C
3
0
5
X
C
5
2
1
X
C
5
8
1
3.3k
R592
.068/16
C311
.1/16
C309
27k
R303
220p
CH
C312
.022
C315
.022
C314
.022
C313
.1/16
C306
.01
C316
X
R
5
0
2
SDA9380
DEF & RGB PROCESSOR
IC301
.01
C317
.01
C318
.0
2
2
C
3
2
1
.0
2
2
C
3
2
2
.0
2
2
C
3
2
3
.1
/1
6
C
3
0
7
.1/16
C308
MA3051/M/-X
D592
X
R593
X
C595
QGB1505J1-50
CN001
QGB1505J1-50
CN007
A_GND
A_GND
X
R571
LA6515
ROTATION
IC551
10
R551
120k
R552
X
CN0R2
100k
R558
10
R560
68k
R553
33k
R555
*
R
3
1
5
*
R
3
1
6
*
R
3
1
7
4.7k
R556
X
PURITY
IC571
150k
R559
5.6k
R557
X
C
N
0
1
5
18k
R313
27k
R312
3
3
0
R
3
1
1
X
R572
X
R573
X
R575
X
R576
X
R579
X
R578
X
R580
X
SWITCH
Q572
X
SWITCH
Q571
X 1/2W
R583
X
R581
X
R577
1
8
k
R
3
1
9
5
.6
k
R
3
1
8
1
k
R
4
0
1
*
R463
1
k
R
4
0
2
330
R403
330
R404
1k
R405
1
k
R
4
0
6
QGB1505J1-50
CN003
.1
/1
6
C
4
0
1
*3
D591
*3
D521
22k
R521
5
.6
k
R
5
2
2
8
2
0
R
4
5
1
560
R591
5
.6
k
R
4
9
2
*
R
4
9
1
.0
4
7
/2
5
C
4
9
1
X
C452
X
MD001
X
R
7
2
3
15p
CH
C501
1k
R304
68k
R562
1/50
C562
1.5k
R511
82P
CH
C324
*3
D
4
7
1
*3
D
4
7
2
100/16
C301
*1
Q561
470p
CH
C591
10k
R563
22k
R564
100/16
C402
*2
Q562
.22/16
80%
C552
5.6k
R565
560p
CH
C561
3.3k
R512
X
80%
C572
X
R574
X
C573
X
R582
X
R585
X
R584
X
C574
.22/16
80%
C555
X
80%
C571
47/25
C553
5.6k
R554
QRN143J-0R0X
R561
*
CN0R1
X
CN0NS
X
80%
C576
X
80%
C575
.22/16
80%
C554
12k
R458
4.7k
R459
12k
R456
4.7k
R454
12k
R461
12k
R455
15k
R462
*
D311
VCC
GND
BA10324AF-XE
EW/V DRIVE
IC402
10k
R701
1
0
k
R
7
0
2
1
k
R
7
0
3
1k
R704
1
0
k
R
7
0
5
JLC1562BF-X
IC701
1
0
k
R
7
0
8
.056/16
C702
TU1_AFC
1k
R714
.033/25
C457
1
0
0
R
7
1
1
1
0
0
R
7
1
2
1k
R715
1
0
k
R
7
0
7
1
0
k
R
7
0
6
10/50
C701
AGC
1k
R722
1
k
R
7
2
1
1
k
R
7
2
0
H/P_R
3
.9
k
R
4
5
7
X
D
3
1
2
.01
C453
100/16
C560
QGB1506L1-16
CN004
QGB1506L1-16
CN005
QGB1506L1-16
CN006
2200/10
C310
BBE_BOOST
A_SUB_GND
R_SUB
BBE_ON/OFF
POW_ON/OFF
0
Y701
X
D313
X
Y702
A_GND
VTV1
LTV1
RTV1
DATA
MSP_RESET
SDA1
SCL1
32V
5V
STATUS
READY
AUDIO_MUTE
L/R_CENT
CLOCK
AMP_MUTE
CH41171-006
CN00C
2
2
0
R
7
7
6
2
2
0
R
7
7
5
2
2
0
R
7
7
4
2
2
0
R
7
7
3
2
2
0
R
7
7
2
MA3056/M/-X
D771
MA3056/M/-X
D772
MA3056/M/-X
D774
MA3056/M/-X
D773
A.MUTE
L
R
L_SUB
A_M+VCC
A_C_VCC
A_M-VCC
9V
H/P_GND
H/P_L
*
D314
X
D315
X
D316
X
R503
1k
R504
.1
/1
6
C
4
5
6
.1
/1
6
C
4
5
5
2200/6.3
C320
*3
D
4
7
3
*
R
4
9
3
0
R322
0
R321
.1/16
C953
470/16
C951
470/10
C954
100/10
C956
*3
D
9
8
1
5.6
L951
QQL26AM-5R6Z
L951
BA09T
IC951
IN
OUT
BA08T
IC952
IN
OUT
220/10
C955
1SR35-400A-T2
D951
22
R1/2
R951
*3
D982
.1/16
C952
0
Y
3
0
2
0
Y
3
0
1
.1
/1
6
C
4
0
4
.1
/1
6
C
4
0
3
*
CN0R3
X
R323
X
R324
0
Y304
NQR0413-003X
K301
0
Y
3
0
6
0
Y305
*9
D321
X
HS952
.1/16
C475
220k
R465
NQR0431-001X
LC303
NQR0431-001X
LC301
1.5
NQL092K-1R5X
L301
1.5
NQL092K-1R5X
L302
N
Q
R
0
4
3
1
-0
0
1
X
L
C
3
0
2
0
Y303
.1/16
C471
VCC
GND
BA10358F-XE
EHT CORRECT
IC471
X
CH
C563
*1
EHT
CORRECT
Q471
220k
R466
220k
R468
68k
R469
56k
R467
22k
R470
27k
R471
6
.8
k
R
4
7
2
12k
R473
.01
C472
*3
D474
15k
R475
56k
R474
12k
R476
.1/16
C473
12k
R477
82k
R480
12k
R478
.033/25
C474
150k
R479
*1
CORRECT
EHT
Q472
2
.7
k
R
4
8
2
4.7k
R481
4
.7
k
R
4
8
3
47k
R484
4.7k
R486
*
R487
12k
R485
33k
R489
.033/25
C454
.01
C699
.1/16
C564
*
C458
*
R464
*9
D320
*10
D319
*11
D475
X
Y901
X
CN00V
*3
D593
*2
RESET
Q591
.1/16
C596
10/25
N
C351
100
R325
6.8k
R326
*2
Q301
R317
220
100
R491
R316
220
100
R315
220
100
D311
D314
*12
*3
*12
*3
CN0R1
CHB219W
-02P-S
X
R463
CN0R3
X
QGA2501
C5-03Z
R487
33k
120k
SMF-
1402A-U2
SMF-
1401A-U2
18k
100k
R464
X
C458
.1/16
56k
X
4.7K
3.3K
R493
18K
X
10V
OSD_B
V100
V
1
0
0
U100
Y100
OSD_G
OSD_R
HPROT
VS
FBP
SDA2
S
D
A
1
S
C
L
1
S
D
A
0
S
T
A
T
U
S
E
W
_
D
R
IV
E
S
C
L
0
A
B
L
L
/R
_
C
E
N
T
C
V
_
A
/D
B
B
E
_
B
O
O
S
T
B
B
E
_
O
N
/O
F
F
SCL2
A
L
C
VD+
VD-
S
U
B
T
IT
L
E
E/W
A
L
C
Y
5
0
H
D
ROTATION
N/S_COR
S
D
A
2
3D_LED
S
C
L
2
ECO_LED
K
E
Y
1
K
E
Y
2
K
E
Y
3
R
E
M
O
C
O
N
H
/P
_
D
E
T
E
C
O
T
IM
E
R
_
L
E
D
ECO
KEY1
S
D
A
1
KEY2
V
D
KEY3
REMOCON
H/P_DET
TIMER_LED
POW_ON/OFF
P
O
W
_
O
N
/O
F
F
O
S
D
_
Y
S
T
U
2
_
S
W
1
A
G
C
T
U
2
_
S
W
0
T
U
2
_
A
F
C
T
U
2
_
S
W
1
A
_
S
U
B
_
G
N
D
H/P_L
H/P_GND
S
U
B
T
IT
L
E
R
_
S
U
B
A_SUB_GND
R_SUB
BBE_ON/OFF
H/P_R
H/P_L
BBE_BOOST
Y
S
2
S
_
C
V
T
U
1
_
A
F
C
A
V
_
L
IN
K
D
A
T
A
M
S
P
_
R
E
S
E
T
H/P_GND
S
C
L
2
S
D
A
2
S
C
L
2
S
D
A
2
H/P_R
Y
S
2
/A
F
C
2
POW_ON/OFF
S
C
L
1
T
X
T
_
C
V
A
U
D
IO
_
M
U
T
E
Y
S
2
/A
F
C
2
O
S
D
_
R
A
M
P
_
M
U
T
E
C
L
O
C
K
E
C
O
_
L
E
D
P
O
W
_
O
N
/O
F
F
S
D
A
1
S
C
L
1
A
V
_
L
IN
K
T
U
2
_
S
W
0
A
.M
U
T
E
SCP
U
1
0
0
Y
1
0
0
O
S
D
_
B
Y
5
0
O
S
D
_
G
S
T
A
T
U
S
OSD_YS
B
-Y
5
0
R
-Y
5
0
IIC
F
R
E
E
C
V
_
A
/D
T
X
T
_
C
V
LT
V
1
R
T
V
1
L
_
S
U
B
R
L
V
T
V
1
S
C
_
B
S
C
_
G
S
C
_
R
S
C
_
Y
S
3
D
_
L
E
D
R
E
A
D
Y
5
2
5
P
IIC
F
R
E
E
SDA1
SCL1
TU1_AFC
AGC
VTV1
LTV1
RTV1
CLOCK
DATA
STATUS
READY
MSP_RESET
AUDIO_MUTE
AMP_MUTE
L/R_CENT
M
_
C
V
/Y
M
_
C
S
C
L
0
S
C
P
M
_
C
V
/Y
A.MUTE
S
D
A
0
M
_
C
S
D
A
1
S
C
L
1
S
_
C
V
S
C
_
G
S
C
_
R
S
C
_
B
S
C
_
Y
S
R
-Y
5
0
B
-Y
5
0
Y
5
0
R
L
L_SUB
S
D
A
2
S
C
L
2
H
D
V
D
5
2
5
P
9V
10V
GND
12V
GND
Ik
R
G
B
PROTECT
SVM_Y
SVM_YS
STBY_5V
Y
IN
9
V
C
R
T
S
O
C
K
E
T
P
W
B
I
2
C
F
R
E
E
S
D
A
0
S
C
L
0
H
D
O
U
T
V
D
O
U
T
G
N
D
H
D
IN
V
D
IN
5
2
5
/O
T
H
S
D
A
2
S
C
L
2
S
C
_
Y
S
1
CLKI
X1
X2
CLEXT
TEST
SUBST
RESN
SCL1
SDA1
VDD(D)
H35K
H38K
HD
VSS(D)
PWM
VSYNC
B/V1
G/U1
R/Y1
VSS(A4)
VIN
UIN
YIN
VDD(A4)
DCI
VREFC
VREFN
VBLO
VREFH
PROTON
IBEAM
BSOIN
F
H
1
_
2
H
S
Y
N
C
V
D
D
(A
1
)
V
S
S
(A
1
)
F
B
P
V
D
D
(A
2
)
V
S
S
(A
2
)
E
/W
D
/A
V
D
+
V
D
-
V
D
D
(A
3
)
V
S
S
(A
3
)
V
P
R
O
T
H
P
R
O
T
H
S
A
F
E
F
B
L
1
F
B
L
2
R
IN
G
IN
B
IN
V
D
D
(M
C
)
R
O
U
T
G
O
U
T
B
O
U
T
S
C
P
V
S
S
(M
C
)
S
V
M
V
D
D
(D
)
V
S
S
(D
)
S
S
D
S
W
IT
C
H
S
C
_
B
1
S
C
_
G
1
NC
S
D
A
1
SYNC SEP PB
S
C
_
R
1
N
C
N
S
O
N
/O
F
F
S
C
_
G
2
/
S
C
_
B
2
/
S
C
_
R
2
/
S
C
L
1
(ABL)
(Ik)
R
G
B
G
N
D
R
G
B
G
N
D
R
G
B
G
N
D
AV SW PWB
100Hz PWB
MICOM PWB
F
R
O
N
T
C
O
N
T
R
O
L
P
W
B
S
U
B
T
IT
L
E
A
_
M
+
V
C
C
1
2
V
1
2
V
NC
NC
12V
TIMER_ON/OFF
GND
GND
GND
ECO_ON/OFF
REMOCON
GND
H/P DET
ECO
KEY1
KEY2
GND
GND
STBY_5V
3D_ON/OFF
P.ON/OFF
KEY3
H/P_L
H/P_R
H/P_L
H/P_R
H/P_GND
H/P_GND
-(
B
-Y
)1
0
0
-(
R
-Y
)1
0
0
8
V
8
V
8
V
G
N
D
G
N
D
G
N
D
5
2
5
P
/O
T
H
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
5
V
5
V
5
V
3
.3
V
3
.3
V
3
.3
V
S
C
P
V
O
U
T
H
0
U
T
C
L
K
O
U
T
Y
1
0
0
G
N
D
G
N
D
G
N
D
G
N
D
R
-Y
5
0
B
-Y
5
0
Y
5
0
S
_
C
V
M
_
C
M
_
C
V
/Y
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
S
C
L
1
S
D
A
1
V
.S
E
N
C
E
1
O
U
T
1
-V
.1
V
.1
G
N
D
V
.2
-V
.2
O
U
T
2
V
.S
E
N
C
E
2
V
C
C
V
.S
E
N
C
E
1
O
U
T
1
-V
.1
V
.1
G
N
D
V
.2
-V
.2
O
U
T
2
V
.S
E
N
C
E
2
V
C
C
V
S
S
L
R
_
C
E
N
C
V
_
A
/D
M
.S
W
0
M
.S
W
1
B
B
E
B
O
O
S
T
B
B
E
O
N
/O
F
F
A
L
C
V
D
D
S
D
A
2
S
C
L
2
A
0
A
1
A
2
S
U
B
T
IT
L
E
1
0
V
1
0
V
1
0
V
R
_
S
U
B
O
S
D
_
E
W
M
S
P
_
R
E
S
E
T
A
U
D
IO
_
M
U
T
E
A
M
P
_
M
U
T
E
A
G
C
G
N
D
T
U
1
_
A
F
C
Y
S
2
/A
F
C
2
3
D
_
L
E
D
G
N
D
E
C
O
_
L
E
D
T
U
2
_
S
W
1
T
U
2
_
S
W
0
T
V
_
L
IN
K
/C
O
M
P
U
L
IN
K
K
E
Y
1
K
E
Y
2
K
E
Y
3
R
E
M
O
C
O
N
H
/P
_
D
E
T
E
C
O
T
IM
E
R
_
L
E
D
G
N
D
S
C
L
1
S
D
A
2
R
E
A
D
Y
D
A
T
A
S
D
A
1
S
C
L
2
S
T
A
T
U
S
1
2
V
G
N
D
C
L
O
C
K
IIC
_
F
R
E
E
Y
S
S
T
B
Y
_
5
V
G
N
D
P
R
O
T
E
C
T
H
_
P
U
L
S
E
V
_
P
U
L
S
E
G
N
D
S
D
A
0
S
T
B
Y
_
5
V
P
O
W
E
R
R
C
.V
G
B
G
N
D
T
A
K
E
O
F
F
S
C
L
0
G
N
D
G
N
D
POWER & DEF PWB
G
N
D
G
N
D
G
N
D
G
N
D
3
.3
V
3
.3
V
A
_
M
+
V
C
C
A
_
M
-V
C
C
A
_
M
-V
C
C
V
D
-
V
_
P
R
O
T
V
S
H
_
P
R
O
T
B
S
O
G
N
D
G
N
D
G
N
D
P
R
O
T
E
C
T
S
T
B
Y
_
5
V
P
_
O
N
/O
F
F
A
_
G
N
D
A
_
G
N
D
A
_
C
_
V
C
C
A
_
C
_
V
C
C
G
N
D
G
N
D
G
N
D
5
V
5
V
3
2
V
G
N
D
G
N
D
G
N
D
G
N
D
A
B
L
H
_
P
U
L
S
E
V
D
+
E
W
_
D
R
IV
E
H
_
D
R
IV
E
G
N
D
G
N
D
L
_
S
U
B
L
_
O
U
T
R
_
O
U
T
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
A
L
C
G
N
D
G
N
D
G
N
D
A
_
M
U
T
E
G
N
D
S
C
_
Y
S
2
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
3
2
V
5
V
5
V
T
U
2
_
A
F
C
T
U
2
_
S
W
1
T
U
2
_
S
W
0
R
T
V
1
LT
V
1
T
X
T
_
C
V
C
V
_
A
/D
S
P
A
S
D
A
2
S
C
L
2
9
V
9
V
P
IP
_
V
M
_
C
M
_
C
V
/Y
A
V
_
L
IN
K
C
R
C
B
Y
S
C
_
Y
S
1
S
C
_
R
1
S
C
_
G
1
S
C
_
B
1
V
T
V
1
R
G
B
G
N
D
GND
B
G
R
VPROT
0
X
BW
MA3051/M/-X
*12
*1
*2
*3
*4
*5
*6
*7
*8
:
:
:
:
:
:
:
:
:
:
:
OPTION(NON MOUNT)
IM-BW
NRSA63J-0R0X
2SC2412K/QR/-X
2SA1037AK/QR/-X
MA111-X
MA3120/M/-X
DTC124EKA-X
DTA124EKA-X
2SC1740S/QR/-T
2SA933AS/QR/-T
NOTE
*9
*10
*11
MA3056/M/-X
MA3036-X
MA3240/M/-X
MAIN PWB
(1/2)
SMF-1401A-U2
(AV32H20EUS)
SMF-1402A-U2
(AV28H20EUS)
(AV28H20EUB)
1.6V
0V
0V
0V
0V
0V
0V
0V
0V
4.8V
3.8V
4.2V
0V
0V
8.9V
3.6V
3.6V
3.1V
0V
3.6V
3.7V
0V
3.7V
4.4V
0V
4.4V
0V
0V
0V
4.9V
32V
4.4V
4.4V
2V
1.9V
2.3V
0.2V
0V
0.8V
0V
7.9V
3.1V
4.9V
0V
3.8V
4.2V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0.8V
0V
3.5V
1.9V
3.7V
4.8V
0V
0V
0.2V
3.7V
0.2V
3.7V
0.2V
3.7V
2.3V
3.7V
0V
1.3V
-1.1V
0V
0V
3.6V
3.6V
3.6V
3.5V
3.2V
3.1V
3.6V
4.9V
3.3V
0V
3.3V
0V
3.4V
6V
3.3V
3V
3.1V
2.3V
7.2V 7.2V 6.4V 6.4V
5.9V 6V
5.6V 5.6V 12V
11V
8.9V
11.4V
8V
4.9V 3.6V 3.6V 3.9V 0V
0V
0V
0V
0V
0V
4.3V
0.1V
0V
7.9V
3.4V
3.1V
3.2V
1V
0V
3.1V
0V
3.1V
0.6V 0.6V 0.6V 0.8V
0V
3.1V
3.6V
3.5V
3.1V
2V
0V
3.1V
0.2V
3.1V
0V
1.7V
2.3V
1.5V
1.5V
2.9V
1.2V
0.3V
1.1V
0V
3.1V
0V
0.2V
3V
2.5V
1.5V
0V
2.5V
2.9V
1V
0.8V
3.1V
0.5V
0.5V
1V
0.5V
0V
-0.1V
6.2V 2.9V 2.9V 0V
1.5V 1.5V 2V