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CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAM (1/4), (2/4)
MA8036-X
R738
R737
R985
10K
0
4.7K
Q704
*1
R986
4.7K
BL_GND
PW
3.3V_STB
8V
A_VCC
A_GND
5V
12V
3.3V
NECK
H_DRIVE
HFB
ABL
EW
P_ON/OFF
VDRA+
VDRB-
PROTECT
V12A
32V
TU001
QAU0383-001
TUNER
C111
C101
220/16
R101
.0047
10
MC
IF
CF101
R005
NC
X
75
32V
L101
MC
C001
QQL244K-1R0Z
.01
LOCK
L002
QQL244J-4R7Z
5V
C004
470/16
BM
R001
C003
MC
220
.1
C109
SDA
.0047
D103
56p
R002
220
SCL
D104
56p
AS
BT
C005
.0022
AGC
MC
MC
MC
R004
27K
R006
X
R008
X
D001
X
Q002
MAIN PWB ASS'Y (1/4)
SCW-1701A-H2
NOTE) 1.Refer to the part list for the part number of IC701 and IC702.
2.Refer to page 2-11 for voltages of this circuit diagram.
3.Refer to page 2-12 for waveforms of this circuit diagram.
MAIN PWB ASS'Y (2/4) (FRONT LED)
SCW-1701A-H2
CN00C
QGA2501F1-06
IC801
R322
RPM7238-H5
IC302
D303
X
X
REMOTECON
S9648
ECO
RECEIVER
R323
X
R325
R326
0
X
D807
R324
0
C807
R328
0
Q308
C806
X
100/16
R329
R327
C317
X
39K
10/50
QJL001-050600
QJL001-050600
5V
SDA1
SCL1
Q706
5V
SSM3K02F-X
D
R794
D707
G
2.2K
*3
S
D706
C777
C778
.1
47/16
C792
.1
R760
100
SCL0
Q705
D
Q708
SSM3K02F-X
*2
SDA0
G
S
R795
Q707
R761
100K
*1
100
R976
1K
3.3V_STB
Q791
*1
SCL0
SDA0
C793
Y791
R790
R793
100
4.7/50
X
PW
1K
D713
P_ON/OFF
MA8039/H/-X
R984
R983
R982
R981
47K
3.9
47K
3.9
1/2W
1/2W
VssP2
V1.8A
Q982
*1
1.8V
VssC4
L701
C701
*4
1.8V
.22
V1.8C4
Q984
C702
*1
L702
Q983
*4
.22
2SA562TM/Y/-T
V3.3A3
VrefP_Sdac
CONT
R792
L703
33
1/2W
CH
*4
VrefN_Sdac
PW
C704
C790
.1
27p
VrefP_Sdac
8V
VrefN_Sdac
A_VCC
VrefP_Sdac
C705
A_GND
7p
CH
XtalIn
5V
5V
C706
7p
CH
XtalOut
12V
L717
X701
*4
QAX0799-001Z
3.3V
VssA1
GND
R756
NECK
NECK
10K
NECK
H_DRIVE
L718
*4
CONT
HFB
CONT
C784
C785
2.2
X
ABL
V5P1
C707
EW
.1
C709
.01
MC
Ph2
P_ON/OFF
MAIN MICRO COMPUTER/
C710
R701
6800p
12K
VDRA+
MC
Ph1
C708
C711
VDRB-
100/16
IF VIDEO RGB SYNC DEF. PROCESS
2.2/50
Gnd1
PROTECT
C712
.22
V12A
TF
SecPll
C713
10/50
4.5/OTHER
C714
.022
Dec8G
MC
3.58/OTHER
EW
R702
X
EW
C715
.001
MC
VDRB-
R703
100
SF102
VDRB-
QAX0731-001
C716
.001
MC
VDRA+
C106
VDRA+
C110
18p
R704
CH
.1
100
Vif1
Y008
X
Vif2
C717
X
TF
Vsc
SF101
C718
.15
R107
*
4.7K
Iref
R705
D101
1SS356-X
39K
MC
GndIF
C107
.01
Sif1
Sif2
C719
.01
MC
R706
220
Y004
AGC
0
Y003
X
C720
.001
MC
EHT
R707
22K
MC
MC
R708
10K
R709
1M
D701
*3
G
Q001
X
D
S
SDA1
G
Y005
0
X
D
S
SCL1
Y006
0
Y701
X
C722
X
L651
X
CF702
CF701
X
X
C665
X
R651
X
R654
R653
X
X
IC651
X
D651
R652
C651
X
X
X
Y101
QUY160-075Y
QUY160-150Y
Y102
QQR1114-001Z
X
Y103
QUY160-150Y
X
Y106
X
QUY160-150Y
Y107
X
QUY160-150Y
GND
GND
GND
GND
POWER LED
(RED)
D808
LH22440-T16
X
R822
S805
S804
S803
S802
S801
1K
.1
QSW0619-003Z
QSW0619-003Z
QSW0619-003Z
QSW0619-003Z
QSW0619-003Z
R824
R823
470
47
1/2W
R821
R820
R819
R818
470
330
220
180
CN10A
CN00A
R753
R755
1.2K
1.2K
R739
0
V1.8ADC
C766
C765
.22
100/16
VssADC
C764
.1
V3.3A2
V1.8A
C763
.22
GndA
C761
.1
RefAd
V3.3RefAdP
C760
IC701
.22
RefAdN
V3.3A1
C758
.22
Bout
R734
100
Gout
Rout
C757
560p
BLKIN
CH
BCL
MC
C756
.1
V5P3
Gnd3
C779
C753
10/50
.1
B3/Pb
C752
.1
G3/Y
C751
.1
R3/Pr
INSSW3
R782
1.2K
NC
R729
X
Uout/INSSW2
Yout
C780
.1
Ysync
C750
.1
Yin/G2/Y
C749
.1
Uin/B2/Pb
C748
.1
Vin/R2/Pr
V5Comb
C746
.1
VssComb
R728
Hout
FbiSo
R726
27K
SVM
R724
R778
LC701
X
D710
*8
Y703
X
Y702
X
R766
X
Q701
X
R767
X
C662
10/50
R663
C657
X
X
N
C660
R664
X
X
N
C658
D603
X
*3
R655
R656
IC651
X
X
X
C607
220/16
R659
C654
C653
X
X
C608
X
220/16
C659
Y704
X
QUY160-075Y
Y708
C652
X
X
Y709
R658
BW
X
R657
X
Y711
QUY160-150Y
Y713
CP
X
Y714
!
CP650
BW
ICP-N25-T
Y716
X
K102
Y719
0
K104
Y720
X
K105
Y721
X
K106
Y722
C773
.1
QUY160-150Y
K107
Y811
X
C112
Y812
0
X
GND
GND
(No.YA328)2-5
2-6(No.YA328)
MAIN PWB ASS'Y(4/4)
(CRT SOCKET)
CN10T
VIDEO-3
CN00T
QJL001-065631
INPUT
J806
QNN0281-003
J808
J807
QNN0281-002
QNN0282-001
J809
R817
QNS0155-001
C826
X
C825
K801
NCB31HK-152X
NCB31HK-152X
R630
X
R632
D814
270
270
*8
1/2W
1/2W
R631
R633
R626
R629
1K
1K
0
0
LC805
R627
R628
X
X
QQR1199-002
D341
C616
*3
C615
1000/25
1000/25
D342
*3
D343
*3
R344
R961
Q341
22
1.8K
V12A
*2
D349
D344
X
X
D345
*3
R342
C341
X
100/16
L304
X
R320
X301
R321
X
C318
X
R319
X
X
X
C302
CH
C316
X
X
C303
CH
IC301
C315
CVBSO/PIP
R307
X
X
X
X
R318
Q307
X
CH
C342
C314
R308
X
X
X
X
R309
C313
X
R310
X
CVBSO/PIP_GND
X
C312
X
Q305
R312
X
X
MC
L711
Q306
C304
C311
*4
X
X
X
L303
MC
X
3.3V
R314
L710
X
C305
C310
*4
X
X
MC
L709
C309
L302
X
*4
X
Y715
C306
QUY160-100Y
X
MC
C762
C307
X
100/16
MC
L708
C308
*4
X
MC
L707
*4
C759
100/16
K301
X
R735
100
Y822
L301
X
X
R733
Y_GND
100
R732
1K
Y824
QUY160-200Y
SCL1
R731
D708
*3
1K
SDA1
NECK
L706
*4
C755
10/50
C754
.1
D753
*8
V2/Y
Y705
0
PR_GND
Y821
D751
Y706
QUY160-050Y
*8
0
C747
L716
10/50
*4
100
R727
560
R725
X
X
Q702
X
X
IC601
AUDIO AMP
R722
R723
AN5277
X
X
D602
X
R617
C605
X
R601
.22
0
A_R
R637
5.6K
R662
X
C606
R638
X
.22
R602
0
R639
5.6K
D610
*3
R607
2.2
1/2W
D607
*3
R611
10K
Q601
*2
Q602
*2
R649
R608
R609
1K
X
27K
R610
100K
C609
33/50
D608
D609
x
x
C661
R623
R620
10/50
33K
10K
R621
2.2K
Q607
R622
*1
10K
Q608
*1
C613
R616
R624
10/50
C617
X
68K
x
CS21175_ver.2.0
SPEAKER
CN00S
QGA2501C5-04Z
R816
C1_GND
75
C1
S_V_DET
Y801
R801
Y819
X
75
BW
LC801
QQR1199-002
C
Y1/CVBS1
Y_GND
S1
Y802
Y717
X
QUY160-075Y
D817
VIDEO-1
V1
*8
5V
S-VIDEO
VDO_DET
INPUT
J801
R802
QNZ0454-002
0
L1
L1
Y818
C821
0
NCB31HK-152X
R1
R1
R803
C822
0
NCB31HK-152X
GND
Y817
0
D810
R804
Y803
X
*8
75
LC802
V2/Y
QQR1199-002
V
V2/Y_GND
Y
Y804
X
Y816
Y805
X
LC803
X
R805
U
QQR1199-002
75
PB
J802
QNN0349-002
PB_GND
Y806
X
VIDEO-2
D811
*8
COMPONENT
Y807
X
Y825
LC804
QQR1199-002
BW
VIDEO
PR
PR_GND
R806
INPUT
75
Y808
X
D812
*8
L2
C823
J803
NCB31HK-152X
QNN0348-001
R2
PB
GND
C824
NCB31HK-152X
PR
BASS
J805
X
OPEN
A_GND
5V
R807
100
C804
R808
1/2W
470/16
X
R809
0
R815
V_OUT
75
D813
J804
Q801
*8
KTA1267/YG/-T
QNN0349-001
C809
X
L_OUT
GND
R811
OUTPUT
C802
82K
R_OUT
10/50
D805
X
C803
R812
10/50
390
R813
82K
D806
X
Q803
*6
Q805
*2
*
SCW
SCW
SCW
SCW
SCW
-1701A
-1711A
-1712A
-1713A
-1623A
QAX0872
QAX0872
QAX0872
QAX0872
QAX0663
SF101
-001
-001
-001
-001
-001
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