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MAIN PWB CIRCUIT DIAGRAM [AV-25MT16/Z] (1/4),(2/4) SHEET 5
R738
R737
10K
0
Q704
*1
BL_GND
PW
3.3V_STB
8V
A_VCC
A_GND
5V
12V
3.3V
MAIN PWB(3/4)
NECK
SHEET 6
H_DRIVE
HFB
ABL
EW
P_ON/OFF
VDRA+
VDRB-
PROTECT
V12A
32V
TU001
QAU0353-002
TUNER
C101
CF101
.01
QAX0349-001
MC
IF
R101
68
NC
32V
C001
QQL244K-1R0Z
.01
LOCK
L002
QQL244J-4R7Z
5V
C004
470/16
BM
R001
C003
220
.1
SDA
D103
X
R002
220
SCL
X
D104
AS
BT
C005
.0022
AGC
MC
MC
R004
27K
R008
X
MAIN PWB ASS'Y (1/4)
SCW-1798A-H2 [AV-25MT16/Z]
NOTE) 1.Refer to the part list for the part number of IC701 and IC702.
2.Refer to page 2-37 for voltages of this circuit diagram.
3.Refer to page 2-39 for waveforms of this circuit diagram.
MAIN PWB ASS'Y (2/4) (FRONT LED)
SCW-1798A-H2 [AV-25MT16/Z]
CN00C
QGA2501F1-06
R322
IC302
X
D303
X
S9648
ECO
R323
X
R325
R326
X
0
R324
0
R328
0
Q308
X
R329
R327
C317
X
39K
10/50
5V
SDA1
SCL1
Q706
SSM3K02F-X
5V
D
D707
R794
G
2.2K
*3
S
D706
C777
C778
C792
MA8036-X
.1
47/35
.1
R760
100
SCL0
Q705
D
Q708
*2
SSM3K02F-X
SDA0
G
S
R795
Q707
R761
100
100K
*1
R976
1K
3.3V_STB
Q791
*1
SCL0
SDA0
C793
Y791
R793
100
10/50
R790
X
PW
1K
D713
P_ON/OFF
MA8039/H/-X
R984
R983
R982
R981
47K
3.9
3.9
47K
1/2W
1/2W
V1.8A
VssP2
Q982
*1
1.8V
VssC4
L701
C701
*4
1.8V
.22
R985
Q984
V1.8C4
4.7K
L702
C702
*1
Q983
*4
.22
2SA562TM/Y/-T
V3.3A3
R986
C703
4.7K
470/10
VrefP_Sdac
CONT
R792
L703
33
1/2W
*4
CH
VrefN_Sdac
PW
C704
C790
.1
27p
VrefP_Sdac
8V
VrefN_Sdac
A_VCC
VrefP_Sdac
A_GND
C705
7p
CH
XtalIn
5V
C706
5V
7p
CH
12V
XtalOut
L717
X701
*4
QAX0799-001Z
3.3V
VssA1
GND
NECK
R756
NECK
10K
NECK
H_DRIVE
L718
C784
CONT
*4
1/50
HFB
CONT
C785
2.2
ABL
V5P1
C707
EW
C709
.1
.01
MC
Ph2
P_ON/OFF
C710
R701
6800p
MC
12K
MAIN MICRO COMPUTER/TELETEXT DECODE/
VDRA+
Ph1
C708
C711
VDRB-
100/16
2.2/50
Gnd1
IF VIDEO RGB SYNC DEF. PROCESS
PROTECT
V12A
C712
.22
TF
SecPll
C713
10/50
4.5/OTHER
Dec8G
C714
.022
MC
3.58/OTHER
EW
R702
100
EW
C715
.001
MC
C111
220/16
VDRB-
R703
100
SF102
VDRB-
QAX0723-001
C716
.001
MC
C106
VDRA+
VDRA+
.01
C110
R704
MC
.1
100
Vif1
Y008
L101
0
Vif2
C717
X
Vsc
SF101
C718
R107
X
QFZ0229-154Z
X
Iref
R705
D101
X
39K
GndIF
C109
C107
0
X
Sif1
Sif2
C719
.01
MC
R706
220
Y004
AGC
Y003
X
X
C720
.001
MC
EHT
MC
R707
22K
C105
X
R708
10K
R709
1M
D701
R006
*3
X
G
Q001
D001
X
X
D
S
SDA1
G
Q002
Y005
0
X
D
S
SCL1
Y006
0
Y701
X
L651
X
CF702
CF701
X
X
R651
X
R653
X
IC651
D651
R652
C651
X
X
X
Y101
QUY160-075Y
Y102
X
Y103
X
Y106
0
Y107
0
GND
GND
GND
POWER
IC801
RPM7238-H5
REMOTECON
LED(RED)
RECEIVER
D808
LH22440-T16
D807
X
R822
C807
1K
S805
S804
S803
S802
S801
.1
QSW0619-003Z
QSW0619-003Z
QSW0619-003Z
QSW0619-003Z
QSW0619-003Z
C806
100/16
R824
R823
470
47
1/2W
R821
R820
R819
R818
470
330
220
180
CN10A
QJL001-050600-E
CN00A
QJL001-050600-E
R753
R755
1.2K
1.2K
R739
0
V1.8ADC
C766
.22
VssADC
C764
.1
V3.3A2
V1.8A
C763
.22
GndA
C761
.1
RefAd
V3.3RefAdP
IC701
RefAdN
V3.3A1
C758
.22
Bout
Gout
Rout
C757
560p
BLKIN
CH
BCL
V5P3
Gnd3
C779
10/50
B3/Pb
G3/Y
R3/Pr
INSSW3
NC
R729
Uout/INSSW2
Yout
Ysync
Yin/G2/Y
Uin/B2/Pb
Vin/R2/Pr
V5Comb
C746
.1
VssComb
Hout
FbiSo
R726
SVM
D710
LC701
X
*8
Y703
X
Y702
X
R766
X
Q701
X
C722
R767
X
X
C662
10/50
R663
C657
X
X
N
C665
C660
R664
X
X
X
N
C658
R654
X
X
R655
R656
X
X
IC651
X
X
R659
C654
C653
X
X
X
C659
X
Y704
QUY160-075Y
Y708
X
C652
X
Y709
R658
BW
X
R657
X
Y711
QUY160-150Y
Y713
CP
X
!
CP650
Y714
ICP-N25-T
BW
Y716
X
K102
Y719
QUY160-150Y
0
K104
Y720
QQR1114-001Z
X
K105
Y721
QUY160-150Y
X
K106
Y722
C773
QUY160-150Y
.1
K107
QUY160-150Y
Y811
QUY160-150Y
X
C112
Y812
0
X
GND
GND
GND
(No.YA405)2-15
2-16(No.YA405)
MAIN PWB (4/4)
(CRT SOCKET)
CN10T
SHEET 6
VIDEO-3
CN00T
INPUT
QJL001-065631-E
J806
QNN0281-003
J807
J808
QNN0281-002
QNN0282-001
J809
R817
QNS0155-001
X
C825
C826
K801
NCB31HK-152X
NCB31HK-152X
R630
R632
X
D814
270
*8
270
1/2W
1/2W
R631
R633
R626
R629
1K
1K
0
0
R627
R628
LC805
X
X
QQR1199-002
D341
C615
C616
*3
1000/25
1000/25
D342
*3
D343
*3
R344
R961
Q341
22
18K
*2
D349
D344
X
X
D345
*3
R342
C341
X
100/16
R320
X301
X
R321
X
R319
X
X
CH
C302
C316
X
X
C303
CH
IC301
R307
C315
X
X
X
X
R318
CH
Q307
X
C342
C314
R308
X
X
X
X
R309
C313
X
X
R310
CVBSO/PIP_GND
X
C312
R312
X
X
Q305
X
L711
Q306
MC
C304
C311
*4
X
X
X
C765
L303
100/16
MC
X
R314
L710
C305
C310
X
*4
X
X
MC
C309
L302
L709
*4
X
X
Y715
C306
QUY160-100Y
MC
X
C762
C307
100/16
X
MC
L708
C308
*4
MC
X
C760
.22
L707
*4
C759
K301
X
100/16
R735
R734
100
100
Y822
L301
X
R733
X
100
R732
1K
Y824
QUY160-200Y
R731
D708
*3
1K
MC
C756
L706
.1
*4
C755
10/50
C753
C754
.1
.1
C752
D753
.1
*8
C751
Y705
.1
0
Y821
R782
D751
Y706
QUY160-050Y
1.2K
*8
0
X
C780
.1
C750
.1
C749
.1
C748
.1
C747
L716
10/50
*4
R728
100
R727
560
27K
R725
X
R724
X
Q702
X
R778
X
IC601
AUDIO AMP
R722
R723
AN5277
X
X
D602
X
R617
X
C605
R601
.22
0
A_R
R637
5.6K
R662
X
R638
X
C606
.22
R602
0
R639
5.6K
D610
*3
R607
2.2
1/2W
D607
*3
R611
10K
D603
Q601
*3
*2
Q602
C607
*2
R649
220/16
R608
R609
1K
X
27K
R610
C608
100K
C609
220/16
33/50
D608
D609
x
x
C661
R623
R620
10/50
33K
10K
R621
2.2K
R622
Q607
10K
*1
Q608
*1
C613
R616
R624
10/50
C617
X
68K
x
c21187001a.001_1/2
CN00S
SPEAKER
QGA2501C5-04Z
R816
75
C1_GND
C1
S_V_DET
V12A
Y801
R801
Y819
X
75
BW
LC801
QQR1199-002
C
Y1/CVBS1
Y_GND
S1
Y802
Y717
X
QUY160-075Y
L304
D817
VIDEO-1
X
V1
5V
*8
S-VIDEO
C318
X
VDO_DET
J801
INPUT
QNZ0454-002
R802
0
L1
L1
CVBSO/PIP
Y818
C821
NCB31HK-152X
0
R1
R1
R803
C822
0
NCB31HK-152X
GND
Y817
3.3V
0
D810
R804
Y803
X
LC802
*8
75
V2/Y
QQR1199-002
V
V2/Y_GND
Y
Y804
X
Y816
Y805
X
X
R805
LC803
U
PB
QQR1199-002
75
J802
QNN0349-002
PB_GND
VIDEO-2
Y806
X
D811
*8
COMPONENT
Y807
X
Y825
LC804
QQR1199-002
BW
VIDEO
PR
PR_GND
R806
INPUT
75
Y_GND
Y808
X
D812
*8
SCL1
SDA1
L2
NECK
C823
J803
NCB31HK-152X
QNN0348-001
R2
PB
GND
C824
V2/Y
NCB31HK-152X
PR
PR_GND
BASS
J805
X
OPEN
A_GND
5V
R807
C804
R808
100
1/2W
470/16
X
R809
220
V_OUT
R815
75
D813
J804
Q801
*8
QNN0349-001
KTA1267/YG/-T
C809
X
L_OUT
GND
R811
OUTPUT
C802
82K
R_OUT
10/50
D805
X
R812
C803
390
10/50
R813
82K
D806
X
Q803
*6
Q805
*2
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