(No.YA280)2-9
2-10(No.YA280)
!
9
8
7
6
5
4
3
2
1
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CS21199
R753
C764
C766
3.3V
R101
L710
L711
L709
C765
C101
C753
C752
C751
R782
R004
R729
D102
C780
C750
C749
C748
L101
C746
R107
Y004
L716
Q103
D601
C760
SF101
L002
NECK
C006
LC803
R740
R002
C107
SF102
R001
C004
CN001
C003
R766
R767
C001
C002
C106
R345
J803
Y601
Y003
Y602
R804
LC802
IC601
Y804
Y803
R806
Y806
Y805
LC804
Y808
J802
D813
Y807
D603
R318
Q307
R320
R321
C316
R802
C315
C313
R803
J804
C312
C311
C310
C309
L303
R728
R726
R727
R724
C705
C757
C756
C718
C747
L706
C754
C755
R732
R733
R734
R735
L708
Y301
C759
L707
X701
C709
C712
CN00T
Q001
C761
C717
IC701
R005
C005
C706
R731
D708
R701
C710
C711
C762
R708
C763
R709
D701
J801
C713
R702
C714
C707
C708
R705
R703
R704
C716
C715
R706
R707
C719
C720
Q705
TU001
CF101
R617
D602
C605
C606
R607
R601
R662
R602
R603
R611
R615
Q602
R610
C609
Q601
R609
R608
C607
C608
R623
R620
Q608
Q607
R621
C613
R624
R622
R616
R341
R812
C802
C803
R811
R813
Q803
Q805
Q612
R780
R783
Q791
C779
R755
R344
R343
L301
D341
CF702
D342
D343
D344
D345
C314
R319
Y705
LC801
Y706
D810
C302
C303
R309
R312
C305
R314
C304
3.3V_STB
8V
5V
Q704
R738
J802
R805
R725
R722
R723
Y603
K103
LC701
Y703
D812
D811
C_MUTE
CN00C
GND
32V
L717
Q982
C308
C307
C306
R308
GND
R307
Y007
R310
Q305
Q306
R313
X301
L302
IC301
Y303
L702
L701
L703
C702
C701
Y791
Y008
K301
12V
C777
R760
R761
R342
C341
Q341
CN002
Q701
IC651
IC651
BL_GND
J805
R656
R651
R652
R653
R654
R658
R657
R659
C793
R655
C651
C654
C652
C653
C659
C665
L651
D651
CF701
C722
Y701
C824
C823
R664
R663
C657
C658
A_VCC
A_GND
R985
K701
R778
STB1
Q002
Q983
VDRA+
VDRB-
EW
H_DRIVE
P_ON/OFF
HFB
ABL
PROTECT
Y006
Y005
Q984
R981
C758
R801
Y802
Y801
C822
R816
C821
Y717
C660
C785
D815
R982
R983
C809
R808
Q801
R807
R809
C804
R815
R984
R006
Y712
Y714
Y715
Y816
K107
K104
C662
C778
D706
VER_PROTECT
R796
R986
D713
Y812
Y304
GND
R792
Y817
Y818
Y819
L304
C317
Y718
Y106
GND
GND
C111
C110
R790
Q706
Y302
R632
R629
R630
R631
CP650
R756
R793
R795
Q707
Q708
Y107
D707
R794
C792
C784
Y725
K702
Y721
Y720
Y719
Y711
Y010
Y009
GND
GND
Y012
Y011
Y723
Y728
Y814
Y813
GND
GND
GND
Y726
Y727
GND
K601
D607
Y809
D103
D104
R781
L718
D714
D608
D609
C617
D814
D751
D753
C342
C343
Q101
L001
R105
R106
R104
C109
R108
C102
R102
R103
Q102
C743
C742
R716
C108
C103
C104
R110
C105
C740
C737
C736
R003
R109
C721
R715
C723
C724
C727
C728
L705
R777
Y710
R710
C739
C738
C725
C726
C729
C732
R741
R742
R744
R746
R747
R749
R751
R752
R754
R771
R757
C703
C704
R736
C767
L712
C775
L715
L704
C731
C734
C730
C733
L713
C769
C768
R745
R743
R758
R759
L714
C771
C772
D709
C776
R750
C770
R618
C601
C655
C656
C602
R605
R604
C603
C604
R606
D605
D604
D606
C614
R612
R613
R614
R619
C610
Q603
Q604
Q605
Q606
R810
D806
D805
Q804
R814
R776
C783
R718
R713
R711
C781
C782
Q702
Y702
R762
R763
R764
R765
R712
R714
C735
R717
D703
D702
D704
R719
L003
K101
R311
R787
R315
R316
R317
D710
Q981
R772
IC702
R748
R720
R721
C612
C611
R769
R770
R625
R788
Y605
C744
C745
R785
R784
R007
R008
D001
R768
Y707
R774
R773
R775
C741
D982
Q613
Y708
D981
C790
D101
Y709
Q609
Q610
Q611
R626
R627
R628
C661
W-A1
R739
C786
Y604
D711
D712
Y724
R737
C794
R797
R798
W-A
R730
MC
1SS356-X
QQL244K-1R0Z
MC
MC
MC
MC
MC
QAX0663-001
QQL244J-4R7Z
MC
QQR1199-002
MC
QAX0731-001
QGF1220C2-09
MC
CH
QNN0348-001
QQR1199-002
AN5277
QQR1199-002
QNN0349-002
MC
QNN0349-001
MC
MC
CH
CH
MC
MC
QJK002-083633
D
G
S
INSSW3
Uout/INSSW2
VssP2
VssC4
V1.8C4
V3.3A3
VrefP_Sdac
VrefN_Sdac
VrefP_Sdac
VrefN_Sdac
VrefP_Sdac
XtalIn
XtalOut
VssA1
NECK
CONT
V5P1
Ph2
Ph1
Gnd1
SecPll
Dec8G
EW
VDRB-
VDRA+
Vif1
Vif2
Vsc
Iref
GndIF
Sif1
Sif2
AGC
EHT
SVM
FbiSo
Hout
VssComb
V5Comb
Vin/R2/Pr
Uin/B2/Pb
Yin/G2/Y
Ysync
Yout
NC
R3/Pr
G3/Y
B3/Pb
Gnd3
V5P3
BCL
BLKIN
Rout
Gout
Bout
V3.3A1
RefAdN
V3.3RefAdP
RefAd
GndA
V1.8ADC
VssADC
V3.3A2
V1.8A
MC
CH
MC
QNZ0454-002
MC
MC
MC
MC
MC
D
G
S
SSM3K02F-X
IF
NC
32V
LOCK
5V
BM
SDA
SCL
AS
BT
AGC
QAU0383-002
TUNER
1/2W
UN2226-X
QQR1199-002
MC
QNN0349-002
QUY160-075Y
QGA2501C5-06Z
MC
MC
MC
QGF1220C2-19
NCB21HK-152X
NCB21HK-152X
N
N
QUY160-150Y
D
G
S
2SA562TM/Y/-T
1/2W
NCB21HK-152X
NCB21HK-152X
QUY160-075Y
1/2W
KTA1267/YG/-T
1/2W
QUY160-100Y
QQR1114-001Z
QUY160-150Y
MA8036-X
MA8039/H/-X
CH
1/2W
D
G
S
SSM3K02F-X
ICP-N38-T
QUY160-125Y
QUY160-100Y
QUY160-075Y
QUY160-075Y
QUY160-125Y
QQR1114-001Z
MA8030/H/-X
2SC5397/CD/-T
QQL244K-8R2Z
NC
NC
NC
NC
NC
NC
NC
NC
RIN
BIN
RF
GND
LIN
NC
B_MUTE
L_OUT
L_R_MUTE
GND_B
VCC
B_OUT
STB
ROUT
SCLO
SDAO
P12/Int2
VssC3
V1.8C3
P25/PWM4
S_V_DET
L3
R3
L_OUT
R_OUT
DecsDem
QssO/AmO/AudeE
m
Gnd2
PllIf
SifAgc
IfVo/FmRo/DvbO
NC
V8AudioSwitches
AgcSsif
V5P2
V_OUT
L1
R1
V3
C4
Audio2InL
Audio2InR
V2/Y
L2
R2
Y3/Cvbs
C1
AudOutLsL
AudOutLsR
HP_L
HP_R
CVBSO/PIP
VssC1+P1
VDO_DET
KEY_IN
DecV1V8
V1.8C1
ECO_IN
PROT
4.5/OTHER
A_MUTE
3.58/OTHER
ROTATION
V3.3P
SDA1
SCL1
POWER
P00/I2SDI1
S_REDUCE
NC
NC
NC
VssC2
V1.8C2
PW_LED
REMOTE
PW_LED
Ssif/RefIn/Avl/RefOu
t
1/2W
UN2226-X
UN2226-X
UN2226-X
QQL244J-4R7Z
2SA562TM/Y/-T
ANALOG
DIGITAL
A0
A1
A2
VSS
VCC
WP
SCL
SDA
UDZS2.0B-X
UDZS2.0B-X
1SS356-X
UN2226-X
UN2226-X
1.2K
.1
.22
10
*4
*4
*4
100/16
.0047
.1
.1
.1
1.2K
27K
4.7K
.1
.1
.1
.1
.1
4.7K
0
*4
*5
*3
.22
33/16
15K
220
.01
220
470/16
.1
X
X
.01
10/50
18p
0
X
X
X
150
X
X
75
X
X
X
*8
X
*3
X
X
X
X
X
0
X
X
0
X
X
X
X
X
100
27K
10k
1K
7p
560p
.1
.15
10/50
*4
.1
10/50
1k
100
100
100
*4
X
100/16
*4
X
.01
.22
X
.1
X
75
.0022
7p
1k
*3
12K
6800p
2.2/50
100/16
100K
.22
1M
*3
10/50
100
.022
.1
100/16
39K
100
100
.001
.001
220
56K
.01
.001
X
X
X
.22
.22
2.2
3.3K
X
3.3K
1K
18K
X
*2
100K
33/50
*2
27K
X
220/16
220/16
33K
10K
*1
*1
2.2K
10/50
68K
10K
X
0
390
10/50
10/50
82K
82K
*2
*1
150
10K
*1
10/50
1.2K
0
0
X
*3
X
*3
*3
X
*3
X
X
0
0
*8
X
X
X
X
X
X
X
*1
10K
75
47
470
470
X
X
X
*8
*8
*4
*1
X
X
X
X
X
X
X
X
X
X
X
X
X
BW
*4
*4
*4
.22
.22
X
X
X
.1
100
100
X
220/16
*2
X
X
X
X
X
X
X
X
X
X
X
X
4.7/50
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
4.7K
X
X
0
0
*1
3.9
.22
75
X
X
75
X
1/50
*8
47K
3.9
X
X
100
0
470/16
75
47K
X
0
BW
0
10/50
47/16
1K
4.7K
X
X
33
0
0
BW
X
X
0
0
470/16
.1
1K
X
1K
0
X
0
10K
100
100K
*1
*2
0
*3
2.2K
.1
X
X
X
X
0
BW
BW
X
X
X
BW
X
*3
X
56p
56p
0
*4
X
X
X
*8
*8
*8
X
X
22
100
180
.0047
2.2K
.0047
6.8K
2.7K
*5
10/50
10/50
5.6K
.0047
.0047
10/50
2.2K
.0047
.1
.1
.01
3.9K
2.2K
X
390
1
1
3300p
.1
*4
100
BW
X
1
1
.1
10/50
2.2/50
2.2/50
220
220
220
10k
100
1K
1K
100
220
1K
4.7K
470/16
.1
100
.22
*4
.22
*4
*4
.1
.1
220/50
10/50
*4
.1
.22
3.3K
3.3K
3.3K
3.3k
0
X
.22
*3
.1
10K
.1
10K
10/50
X
100/50
10/50
X
10K
.22
.22
2.2
X
X
X
X
100K
X
100K
X
33/50
X
X
390
XX
100K
15K
1/50
5.6K
5.6K
5.6K
1
1
*1
X
220
220
220
220
10K
10K
.1
10K
*8
*8
*8
10K
x
X
4.7K
0
0
0
*8
5.6K
2.7K
X
X
XX
X
X
X
0
X
.1
.1
10K
10K
X
X
X
100
0
5.6K
10K
10K
.1
X
X
27p
0
X
0
X
0
100/16
X
75
X
BW
*3
*3
X
0
X
X
X
X
150
5V
L2
R2
V
SDA1
SCL1
U
5V
SCL0
SDA0
Y1/CVBS1
PW
R_OUT
NECK
R1
5V
3.58/OTHER
SCL1
3.3V
SDA1
V2/Y_GND
L1
Y
V2/Y
V2/Y_GND
L_OUT
S_V_DET
PB_GND
CVBSO/PIP_GND
CVBSO/PIP
12V
PB
PR_GND
PR
Y_GND
12V
A_VCC
PB
V2/Y
PR
STB1
4.5/OTHER
8V
A_GND
SDA1
V_OUT
SCL1
VDRB-
PR_GND
EW
VDRB-
VDRA+
1.8V
VDO_DET
3.3V
NECK
SCL0
SDA0
BASS
A_GND
VER_PROTECT
PROTECT
C1
STB1
CONT
EW
VDRA+
H_DRIVE
P_ON/OFF
C_MUTE
ABL
HFB
5V
1.8V
5V
P_ON/OFF
GND
5V
NECK
5V
V1.8A
C1_GND
CONT
5V
8V
A_VCC
A_MUTE
L2
R_AOUT
R2
V3
12V
HP_L
REMOTE
R_OUT
L_OUT
8V
PW_LED
1.8V
3.58/OTHER
SDA1
SCL1
V3
OFF_MUTE
PW
H_DRIVE
HFB
OFF_MUTE
Y1/CVBS1
V2/Y
12V
V_OUT
C1_GND
R3
L3
P_ON/OFF
ABL
S_V_DET
Y_GND
KEY_IN
ECO_IN
PROTECT
C_MUTE
B_MUTE
CVBSO/PIP
ROTATION
5V
1.8V
ABL
12V
ECO_IN
5V
HP_R
V1.8A
1.8V
L1
4.5/OTHER
VDO_DET
5V
BASS
L3
GND_IN
R3
KEY_IN
12V
ROTATION
REMOTE
Y_GND
B_MUTE
L_AOUT
12V
A_GND
R_AOUT
HP_R
Y_GND
A_GND
R1
5V
HP_L
U
Y
L_AOUT
C1
PW_LED
5V
S_REDUCE
V
S_REDUCE
CVBSO/PIP_GND
A_MUTE
MAIN MICRO COMPUTER/
IF VIDEO RGB SYNC DEF. PROCESS
FRONT CONTROL
PWB ASS'Y
CN001
FRONT CONTROL
PWB ASS'Y
CN002
CRT SOCKET PWB ASS'Y
CN00T
S1
V1
L1
R1
VIDEO-1
S-VIDEO
INPUT
VIDEO-2
COMPONENT
VIDEO
INPUT
OPEN
OUTPUT
AUDIO AMP
MAIN PWB ASS'Y (1/2)
SCW-1745A-H2 [AV-29VX15/U]
NOTE) 1.Refer to the part list for the part number of IC701 and IC702.
2.Refer to page 2-21 for voltages of this circuit diagram.
3.Refer to page 2-22 for waveforms of this circuit diagram.
MAIN PWB CIRCUIT DIAGRAM [AV-29VX15/U] (1/2)
