How it Works
JVC
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AV-27432RA
Parts List
42 pgs440.87 Kb0
Schematics
6 pgs1.25 Mb0
Service Manual
26 pgs589.53 Kb0
Service manual & schematics
93 pgs3.42 Mb0
Table of contents
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JVC AV-27430/RA, AV-27430/SA, AV-27432/RA, AV-27432/SA, AV-27D104/RA Schematics

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Page 1
AV-27D104 AV-27D304
AV-27430 AV-27432
AV-27D104 AV-27D304 AV-27430 AV-27432
AV-27D104 AV-27430
/RA
, AV-27D104
/RA
, AV-27430
/SA
, AV-27D304
/SA
, AV-27432
/RA

STANDARD CIRCUIT DIAGRAM

1.SAFETY
The components identified by the symbol and shading are critical for safety. For continued safety replace safety critical components only with manufac tures recommended parts.
2.SPECIFIED VOLTAGE AND WAVEFORM VALUES
The voltage and waveform values have been measured under the following condit ions.
(1)Input signal : Colour bar signal
(2)Setting positions of each knob/button and variable resistor
(3)Internal resistance of tester (4)Oscilloscope sweeping time
(5)Voltage values
Since the v oltage values o f signal circui t vary to some extent according to adjustments, use them as reference values.
: Original setting position when shipped
:DC 20k :H :V
:Others
:All DC voltage values
/V
20µs/div 5ms/div
Sweeping time is specified
3.INDICATION OF PARTS SYMBOL [EXAMPLE]
In the PW board
:R1209
R209
4.INDICATIONS ON THE CIRCUIT DIAGRAM
(1)Resistors
Resistance value No unit :[
K M
Rated allowable power No indication :1/ 16 [W] Others :As specified
Type No indication OMR MFR MPR UNFR FR
Composition resistor 1/2 [W] is specified as 1/2S or Comp.
(2)Capacitors
Capacitance value
1 or higher :[pF]
less than 1 Withstand voltage
No indication :DC50[V] Others :DC withstand voltage [V] AC indicated
Electrolytic Capacitors
47/50[Example]:Capacitance value [µF]/withstand voltage[V]
]
]
:[ k :[M ]
:Carbon resistor :Oxide metal film resistor :Metal film resistor :Metal plate resistor :Uninflammable resistor :Fusible resistor
:[µF]
:AC withstand voltage [V]
Type
No indication
MM PP MPP MF TF BP
TAN
(3) Coils
No unit Others
(4)Power Supply
Respective voltage values are in dicated
(5) Tes t po i nt
:T est point
(6)Connecting method
(7)Ground symbol
:LIVE side ground :ISOLA TED( NEUTRAL) side ground :EARTH ground :DIGITAL ground
5.NOTE FOR REPAIRING SERVI CE
This mode l's p ower circu it is p artly diff erent in the GND. The difference of the GND is shown by the LIVE : ( ) side GND and the ISOLATED(NEUTRAL) : ( ) side GND.Therefore, care must be taken for the following points.
(1)Do not touch the LIVE side GND or the LIVE side GND and the ISOLATED(NEUTRAL) side GND simultaneously. If the above caution is not respected, an electric shock may be caused. Therefore, make sure that the power cord is surely removed from the receptacle when, for example, the chassis is pulled out.
(2)Do not short between the LIVE side GND and ISOLATED(NEUTRAL ) side GND or never measure with a measuring apparatus measure with a measuring apparatus ( oscilloscope, etc.) the LIVE side GND and ISOLATED(NEUTRAL) side GND at the same time. If the above precaution is not respected , a fuse or any parts will be broken.
Since the circuit diagram is a standard one, the circuit and circ ui t constant s may be subject to chan ge for i mpro vem ent without any notice.
NOTE Due improvement in performance, some part numbers show in th e circui t diag ram may not agree wi th those indicated in the part list. When ordering parts, please use the numbers that appear in th e Parts Li st .
/RA
, AV-27D304
, AV-27432
:Ceramic capacitor
:M etal ized my lar capa c ito r :Polypropylen e ca pacitor :Metalized polypropylene capacitor
:Metal ized film capacitor :Thin film capacitor
:Bipolar electrolytic capacitor
:Tant alum capacitor
µ
:[
H]
:As specified
:B1
:9V
:Only test point display
:Connector
:Receptacle
/SA
:Wrapping or soldering
:B2 (12V)
:5V
/SA

CONTENTS

SEMICONDUCTOR SHAPES ......................................................................2-2
BLOCK DIAGRAM........................................................................................2-3
CIRCUIT DIAGRAMS....................................................................................2- 5
MAIN PWB CIRCUIT DIAGRAM ................................................................................................................ 2-5
PATTERN DIAGRAMS .................................................................................2-9
MAIN PWB P ATTERN ................................................................................................................................ 2-9
CHANNEL CHART (US)..............................................................................2-11
CHANNEL CHART (CA)............................................................................. 2-12
SEMICONDUCTOR SHAPES
TRANSISTOR
BOTTOM VIE W
E C
B
ECB
BCE
(G)(D)(S)
FRONT VI EW
ECB
ECB
IC
BOTTO M V IEW FRONT VI EW TOP VIEW
OUT E IN
IN OUTE
1 N
1 N
CHIP IC
TOP VIEW
N
N
N
1
N
1
N
TOP VIEW
CHIP TR
1
C
BE
N
No.52102
2-22-1
No.52102
Page 2

BLOCK DIAGRAM

AV-27D104 AV-27D304
AV-27430 AV-27432
AV-27D104 AV-27D304 A V -27430 AV-27432
INPUT 1
VIDEO AUDIO
AUDIO
OUT
COMPO-
-NENT INPUT
INPUT 2
AUDIO
V1 L1 R1
L R
Y
Pb Pr
L2 R2
Y/C
Y/Pb/Pr
TU001
TUNER
IF
Y/C
V1
L1/R1
L2/R2
V3
L3/R3
VTV
IC101
IF DET
IC851
AV SW
MPX
IC651
V
Y C
Y/C OUT
SW
L/R OUT
IC251
Y/C SEP
L/R
Y/C
RM SW
V3 L3 R3
Y
C
R/G/B
L/R
R/G/B
Q301
Q321
CRT
INPUT 3
VIDEO AUDIO
RGB DRV
CRT SOCKET
PWB
(Within MAIN PWB)
AC IN
MAIN PWB
LF901
D901
IC901
POWER IC
IC702
MEMORY
Y/Pb/Pr
T921
SW.
TRANSF.
IC201
MICOM/V/C/DEF
B1
L/R
HP
IC602
AUDIO AMP
L , R
HV
L R
L/R
L
SP L
R
SP R
Q521
H.OUT
IC421
VERT OUT
H
V
DY01
T521
HVT
FOCUS SCREEN
(ITC)
No.52102 No.52102
2-3 2-4
Page 3

CIRCUIT DIAGRAMS

MAIN PWB CIRCUIT DIAGRAM (1/2) SHEET 1
)
)
PIN NO.
IC101
IC201
IC251
IC601
PIN NO.
VOLTAGE (V
VOLTAGE (V
8.6
12
4.3
1.7
13
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20
1
2
3
4
5
6
7
8
9 10 11
4.3
4.5
14
4.3
3.8
15
4.3
1.3
16
4.3
1.4
17
4.3
0
18
4.3
0
19
4.3
0
20
0
IC602
3.9
2.4
4.5
2.0
3.4
2.0
8.6
8.6
3.9
3.9
4.7
4.7
3.4
1.6
2.6
5.0
5.0
2.2
2.0
5.0
0.8
1.8
8.8
6.2
3.5
4.4
---
---
2.0
2.3
2.0
3.4
2.1
---
2.3
2.1
5.9
---
2.2
---
1.6
2.6
2.8
---
2.1
2.0
2.3
8.7
5.0
0.2
---
4.6
4.0
4.9
1.7
4.9
4.9
---
4.8
1.2
3.0
2.2
1.7
4.8
4.8
4.4
3.8
2.4
1.8
4.8
2.3
3.0
1.7
2.2
4.3
4.3
4.3
4.3
4.3
4.3
4.3
8.6
8.6
7.4
0
1
13.5
2
1.1
3
0
4
12.4
5
7.0
6
13.5
7
7.0
8
12.3
9
0
10
1.1
11
0
12
0
0
13
IC651
4.5
1
3.9
2
0
0
3
0
4
4.3
5
4.3
0
6
4.3
7
4.3
8
4.3
9
4.3
0
10
4.2
11
4.3
0
12
4.3
0
13
4.3
0
14
4.3
15
4.3
16
4.3
17
4.3
18
4.3
19
4.3
20
4.0
21
8.6
0
22
4.3
23
4.3
24
4.3
25
4.3
26
4.3
27
4.3
28
5.8
29
1.4
30
3.1
0
31
4.2
32
4.0
33
4.9
34
4.3
35
1.1
36
4.9
37
3.8
38
4.0
39
4.7
40
4.1
41
0
42
IC702
0
1
0
0
2
0
0
3
0
0
4
5.0
5
5.0
6
0
7
5.0
8
IC703
---
1
5.0
2
0
3
0
IC704
9.0
1
0
2
5.0
3
IC851
3.7
1
0
2
6.3
3
3.5
4
5.0
5
5.0
0
6
5.0
7
5.0
8
5.0
9
5.0
0
10
5.0
0
11
5.0
12
6.0
13
1.7
14
5.0
0
15
5.0
16
5.0
17
1.7
18
0
19
0
20
0
21
0
22
0
23
4.1
24
4.6
25
1.0
26
0
27
5.0
28
5.0
29
5.0
30
5.0
0
31
PIN NO.
Q001
Q101
Q131
Q161
Q211
Q232
Q233
Q251
Q252
Q281
Q282
Q283
Q291
Q292
Q293
Q352
Q602
Q681
Q682
Q683
Q684
Q701
Q751
Q851
TU001
AGC ADR5
SCL
SDA
)
VOLTAGE (V
5.0
32
8.7
33
3.6
34
3.8
35
3.6
36
3.8
37
4.2
38
3.7
39
3.7
40
8.0
41
4.2
42
0
E
3.8
C
0
B
0.9
E
8.6
C
1.6
B
1.8
E
0
C
1.1
B
1.9
E
5.6
C
2.5
B
3.6
E
8.6
C
4.1
B
0
E
1.1
C
0
B
3.2
E
8.6
C
3.9
B
2.9
E
4.8
C
3.6
B
2.3
E
4.8
C
2.9
B
2.8
E
0
C
2.2
B
2.2
E
4.2
C
2.8
B
4.8
E
2.7
C
4.2
B
2.9
E
0
C
2.4
B
2.3
E
4.2
C
3.0
B
4.8
E
2.9
C
4.2
B
6.5
E
8.6
C
7.1
B
0
E
13.5
C
0.1
B
0
E
0
C
0.1
B
0
E
0
C
0.1
B
0
E
0
C
0.1
B
0
E
0
C
0.1
B
1.4
E
1.4
C
0.6
B
5.0
E
4.9
C
0
B
8.6
E
1.7
C
8.5
B
3.8
4.8
4.1
4.5 5V
5V
32.9
BT
0
IF
ROT LOT
R661
100
SDA0
SCL0
IC201-13
IC201-14
IC201-28
IC201-26
IC201-39
IC201-40
IC201-41
IC101-18
R662
100
6Vp-p
60Vp-p
0.8Vp-p
0.5Vp-p
4.8Vp-p
3.2Vp-p
6Vp-p
C668 1/50
R670 R669 100 100
C665
R657 C651C666
C664
1/50
1.5k 100/161/50
10/50
R660 R656
R658
5.6K 3.3k
15k
56K
R659
C669
.022
IC251-4
[H]
IC251-17
[H]
IC251-20
[H]
IC851-10
[H]
IC851-34
[H]
IC851-36
[H]
IC421-5
[H]
[H]
C663 1/50
IC651
C671
C670
2.2/50
C662
3.3/50
R655
C672
.0022
1Vp-p
0.5Vp-p
1Vp-p
1Vp-p
0.5Vp-p
1Vp-p
65Vp-p
33k
UPC1851BGT
0.1
R653
4.7k
C658
C661C667
R654
R671
.047
0.133/50
3.3M
68k
C659
.47/50
C660
0.1
0.1
C675
C673
C674
.0022
2.2/50
[H]
[H]
[H]
[H]
[H]
[H]
[V]
2Vp-p
AV-27D104 AV-27D304
AV-27430 AV-27432
S751
QSW0619-003Z
R751
1k
SDA1
SDA0
SCL0
R652
15k
C657
2.2/50
R651
1k
EXTR
EXTL
C652
D661
.01
C656
4.7/50
N
C655N 1/50
100
100
R667
R668
X
C653
47/25
C654
0.1
C676
100
100
1/50
R665
R666
R663
FL3
0
R664
0
FR3
C678
N
10/16
L
COM_IN
N
R
C677
10/16
IC704
AN78L05-T
C703
C702
10/50
10/50
BBE_SW
IC851 TA1218AN
Y852
X
A_MUTING
D705
R703 R707
10k 10k
IC703
S-80840CNY-T
C862
10k
R778
100
R851
EL1
IC702 BR24C08
C807
.01
C710
X
IC201
R717
4.7K
R715
100
*5
R251
3.3k
R257
2.2k
R252
10k
COUT
YOUT
L
R
.01
C861
C860
47/25
10/50
.01
.01
100
100
C853
C851
C852
C854
R852
10/50
R853
V1
ER1
VTV
SCL1
LED
REMOCON
AGC_ADJ
R716
X
D702
X
R718
22k
R705
4.7k
C701
R701
.001
1K
R721
R709 100
1k
100
R708
R702
1K
R706
4.7k
C815
0.01
.01
C713
R821
OPT
120k
R714
82k
AFT
KEY1
Y253
C253 47p
Q251
R255
*2
1.5k
L251
R254 180
QQL29BJ-4R7Z
Y293
X
C254
C252
R253
100p
180p
1k
.01
C859
.01
.01
100
C856
C858
R861
C857
10/50
100
15K
100
.01
100
100
R854
Y1
100
R856
R859
C855
R858
R860
R855
C863
C864
C1
EL2
ER2
CMP_Y2
C716 10/50
C708C709
22p22p
X701
QAX0717-001Z
QQR0582-001Z
BW
Q252
R256
1.5k
SDA0
100
R777
15k
R771
XXX
C865
*2
100 R731
K701
SCL0 SCL0
100
R776
10k
R772
R734R733R704
4.7k4.7k4.7k
100 R732
C705 .01
C704 47/25
K251
QQR0582-001Z
Y251
0
K253
QQR0582-001Z
10k
R773
R768
R769
6.8k
1k
D367
*5
Q701
D366
*1
*5
D365
*5
R770 10k
100X100
47/25
.01
R366
.01
R729
22k
C712
R740 100
R739
2.7k
AGC-M
K702 QQR0582-001Z
Y252
BW
C267
.01
10k
R775
10k
R774
R857
10k
R720
1.0
R363
47/25
C711
C361
C362
X
R360
0
R362
C504
2.2/50
R501
4.7k R504
X
.01
C503
680
3.9K
R502
R503
C502C501
.01 47/25
FBP
HD
IC251
C261
.01
C262
47/25
C263
.01
C264
.01
C265
.47/50
C266
.01
C269
.01
TC90A49P
C268 47/25
C270
47/25
R261
100
R262
100
Q851 *1
KEY1
CN00T
D370
*5
D369
*5
D368
*5
R201
22k
100
47/25
.01
R364
R365
X
C244
C202
C243
R361
R401
R505
1k
150k
C401
C505
.47
.47
C402
1000p
V-OUT
R862 100k
R863
47k
R241
4.7/50
1/50
.0015
C203
C247
C836 C837
C835
XXX
R834 R835 R836
100 100 100
CMP_PB
C278
.01
C277
.01
C276
.01 C275
47/25
C274
180p
R264
820
C272
.01
X
R838 R837
CMP_Y
K254
QQR0582-001Z
C273
.01
A_MUTING
X
CMP_PR
D353
C221 10/50
X
R506 R507
470 560
R263
100
Y292 Y281
C689
33/50
EXTL
EXTR
*5
R359R227
10k100k
XX
AV-27D104 AV-27D304 AV-27430 AV-27432
Q751
*3
R756
1.2k D751
LG22440
LED
0.01
C354
C241
0.01
C222
C237
.1
.01
D501
MTZJ3.3A-T2
C506
C507
47/25
.01
C882
R282
X
2.2k
L281
R283
QQL29BJ-150Z
820
Q281
*1
Y295
R292
2.2k
Q291
*1
R683
22K
Q681
*2
C681
10/50
D681
*6
C682 10/50
D682
*6
*2
Q683
R685
22K
X
C292
X
R294
R293
X
470
GND
L291 QQL29BJ-220Z
C1
D803
*6
C803 1/50
R803
R684
75
22K
J002
Q682
*2
QNN0348-001
R681
220
R691
82K
R682
R692
220
22K
Q684
R686
*2
22K
C283
33p
Y294
C293
33p
0
K255
QQR0621-002Z
Y855
X
R285
330
R286
1k
R295
330
R296
1k
J001
QNZ0454-001
J007
IC751
S753
S752
QSW0619-003Z
QSW0619-003Z
R753R752
1.5k1k
ROT
LOT
C615
X
C602
*
C601
*
C613
X
Q352
*2
R356
12k
Q283
*1
R288
0
Q282
*2
R287
1K
R298
0
Q293
*1
Q292
*2
R297
1K
Y1
EL1
V1
D807
D801
*6
*6
C801
10/50
*6
D802
68
R801
C802
10/50
R802
75
C683
10/50
C684
10/50
S754
QSW0619-003Z
QSW0619-003Z
R754
2.7k 5.6k
Y602
*
C606
R602
C604
R604
*
**
*
*
N
*
IC601
( NJM2150AD)
N
C603
C605
R601
R603
*
*
***
Y601
*
R354
330
D352C352
*647/25
QQL29BJ-560Z
ER1
J003 QNZ0349-001
*
*6
D683
D684
*6
S755
Q233
S756
QSW0619-003Z
R755
C609
C610
*
C608
*
R605
R607
*
C607
R609
*
*
R608
X
R606
X
R215
5.6K
Q211
*2
R212
2.7K
R217
R216
1K
5.5K
R232
3.9K
R231
1.8K
*2
C233
68p
R233
3.3K
R234
L232
1.5K
Q232
*2
R235 47K
CMP_Y2
Y852
X
C834
10/50
D834
*6
C831
.1
R831 D831
75 *6
C832
.1
R832
D832
*6
75
C833
.1
D833
R833
*6
75
GP1UM281QK
R758 100
C751 47/25
R757 100
C752
X
REMOCON
R617
3.3k R618
3.3k
A_MUTING
BBE_SW
VTV
YOUT
C211 47/25
COUT
C223
0.01
COM_IN
EL2
ER2
D686
D685
C686
C685
CMP_Y
Y686
CMP_PB
*
Y685
*
CMP_PR
J004 QNN0348-001
Y856
X
Y854
0
QNN0282-001
R687
D687
FR3
LC801
!
QQR1199-001
C616
4.7/50
R616
R615 12K
12K
R625
1k
C629 X
R135
1k
C131
.01
Q131
*1
AFT
AGC_ADJ
Q001
*4
AGC-M
QQLZ014-R39
C104 .01
C105
.01
SCL0
SDA0
SCL1
SDA1
CN00C QGA2501F1-06
220
*6
!
C627
220/25
Q605
X
R117
L101
2SC5083/L-P/-T
C102
QNN0281-002
D688
*6
IC602 LA4446
R627
100
R134
680
R133
820
27k
FL3
C617 220/16
R619
Q602
*4
Q101
R104
R105
R767
R688
220
C688C687 10/5010/50
R805
100
C618
100/16
390
L131
QQL29BJ-220Z
CF131 QAX0639-001Z
IC101
M52342FP
R111 150k
R115
R113 R112 150k
R103 QRE121J-101Y
18
R102
1.8k
2782.01
QQR0582-001Z
SDA0
SCL0
R765
R766
470
470
QNN0281-003
QRL039J-100
QRX029J-3R3
C121
L114
R119 R116
100
100
R101
5.6k
C101
.01
R008
K001
R764
470
470
R804
75
C804 10/50
D804 *6
R614
R631
A_VCC
R132
220
C120
.47/50
X
X
X68
C113 C114 C124
.01 .01 .01
CF001
QAX0349-001
C004
470/6.3
R005
0
R006
22k
H602 CEHE014-001WU
C624
100/16
C614
470/25
R630
R131
1k
C119 680p
QQR0907-001
C003
47/35
Y101
0
Y102
X
C002
.01
C006
R004 220
R003 220
C007
X
C001
4.7/50
J008
*
R629
R628
*
*
Y603
*
Y604
*
Y605
BW
C623 220/16
R620
390
A_GND
X
T111
SF101
F072FPL
C005
.01
X
C619
470/16
C622
4.7/50 C620
.1
R621
4.7
C626
C625
470/16
C628 X
.1
R622
4.7
Q607
X
C163 47p
CH
QAX0642-001Z
C164
47p
CH
R164
1k
L161
QQL29BJ-220Z
.01
47/25
22K
C107
C106
R163 R171
33k
C116
R161
.22
3.3k
C161 10/50
K101
QQR0582-001Z
TU001
!
*
CN00S
QGA2501C5-04Z
A_VCC
A_GND
V-OUT
HD
FBP
C167
.01
R165
R167
1K
22K
CF161
Q161
*2
BUFFER
R166 R168
100
10K
C165 .01
R169
560
C166
.01
C162 10/50
A_VCC
A_GND
V-OUT
HD
FBP
ABCL
MAIN_PW
9V
BT
5V
STBVCC
SHEET 2
J005
J006
MAIN PWB (1/2) SFE-1026A-M2 [AV-27D104/RA] / SFE-1025A-M2 [AV-27D104/SA] / SFE-1022A-M2 [AV-27D304/RA] / SFE-1021A-M2 [AV-20D304/SA] SFE-1028A-M2 [AV-27430/RA] / SFE-1027A-M2 [AV-27430/SA] / SFE-1030A-M2 [AV-27432/RA] / SFE-1029A-M2 [AV-27432/SA]
No.52102
2-5 2-6
No.52102
Page 4
MAIN PWB CIRCUIT DIAGRAM (2/2) SHEET 2
IC421-3,6
Q501-B
T521-2
38Vp-p
1Vp-p
32Vp-p
AV-27D104 AV-27D304
AV-27430 AV-27432
Q301-C
[V]
150Vp-p
Q501-C
[H]
200Vp-p
T521-3
[H]
120Vp-p
Q311-C
[H]
160Vp-p
Q521-B
[H]
2Vp-p
T521-7
[H]
310Vp-p
Q321-C
[H]
[H]
PIN NO.
VOLTAGE (V
)
IC421
4.2
1
27.2
2
2.0
120Vp-p
Q521-C
[H]
[H]
3
0
4
16.1
5
28.3
6
4.2
7
IC901
139.0
1
0
1300Vp-p
T521-8
[H]
[H]
2 3 4 5
IC921
1
0
32.1
1.5
11. 4
70Vp-p
SHEET 1
AV-27D104 AV-27D304 A V -27430 AV-27432
VOLTAGE (V
9.0 0
7.3 0
4.8
1.7
159.9
2.2
1.7
165.0
2.1
1.5
)
PIN NO.
PIN NO.
2 3
IC922
1 2 3
Q301
E C B
Q311
E C B
Q321
E
C B
Q331
E C B
Q501
E C B
Q521
E C B
Q921
E
VOLTAGE (V
167.3
2.0
8.0
-0.4
8.6
0
66.5
0.2
0
135
0
0
)
PIN NO.
C B
Q922
E C B
Q923
E C B
Q924
E C B
VOLTAGE (V
0.6
1.2
0
9.0 0
9.0 0
9.0
133.7 0
133.3
V01
Y343
X
X
!
C343 .001
3KV
QCZ0121-102
1/2W
270p5%
R306 100
270p5%
R316R315 100270
R326
100
SK351!
CRT SOCKET
L341
C342
X
BK
RK
GK
H
Y342
TP-E
QQL29BJ-390Z
CN10U
CRT SOCKET PWB
)
(Within MAIN PWB)
CN10T
C341
220/16
R331
R332
R333
1K
1K
D331
D332
D334 *5
R334
3.9K
R335
*5
C331 220/10
1K
*5
D333
Q331
*10
1.5K
R302
R303
12K
2WOMR
1.5k1/2W
Q301
R304
3.3k
R314
3.3k
R324
3.3k
R312
12K
2WOMR
R322 12K
2WOMR
2SC4075/DE/YA11
C302 330p5%
R305 270
R313
1.5k
Q311 2SC4075/DE/YA11
C312
R323
1.5k 1/2W
Q321 2SC4075/DE/YA11
C322
R325 270
R301 150
C301
X
R311 150
C311
X
R321 150
C321
X
Y341
X
CN0PW
QMPD200-200-JC
L01
*
CNDEG
*
FC901
CEMG002-001Z
QQR0582-001Z
LC31678-001A IC901
STR-G5624/F8
QMF51N1-5R0-J5
5.0A
ERZV10V621CS
R904
QRT029J-R22
K903
C910
470p
CH
F901
VA901
TH901 QAD0129-3R0 CEKP007-002
R908 QRK126J-681X
D907 MA700A-T2
D904
D908
MTZJ15C-T2
C901
QFZ9075-104
QCZ9054-102
QRF074K-R47
R905
QRT029J-R22
K904 QQR0582-001Z
K901 QQR0582-001Z
K902
QQR0582-001Z
*8
D525
*
*7
C522 C523
IC421 AN5522
C408
*
C404
*
C530 QFLC2AJ-104Z
QRX029J-1R
C529
47/35*
C528 470/35
L521
*
C524
*
*
Y521
Y522
**
R529
QRK126J-4R7X
R530
*
R522
QRL039J-152
C413 X
C407 100/35
D523
1SR35-400A-T2
R528
QRE121J-103Y
5
D524
RGP10J-5025-T3
R523
QRE121J-184Y
HS004
LC31696-001A
C406 1000p
K401
QQR0582-001Z
D402
MTZJ75-T2
R413
X
R412
15K
R415
X
R414
10K
D401
*9
C531
X
C525 QEZ0203-107
R541
QRE121J-683Y
R525
R524
*
C409
QFLC2AK-104Z
C410
QFLC2AK-104Z
R411 12k
C412
2.2/50
R410
X
D522
RH1S-T3
L522
T521
*
C526 .082
MY
D521
1SR35-400A-T2
QRE121J-681Y
C532
R527
*
opt
C411 2200/35
R409 QRX01GJ-1R0
X
R526
QRK129J-150
R407
R408
QRE121J-681Y
R416 QRE121J-102Y
S401 QSL4A13-C02
C527 10/250
CN0HV
CN0HV
DY01
CN00U
DEF. YOKE (V)
HB
HEATER
DY01
DEF. YOKE (H)
V
C902
QFZ9075-104
LF901
QQR0527-003
C904
D901
QCZ9054-102
GSIB460-S1
R901
C903 QEZ0376-477 QEZ0561-477
C908
*
C911
QFP32GJ-103Z
R902 47K
1/2W
SARS01-T2
R903 47K
1/2W
D902
R907
4.7K
C909
*8
1/2W
D903
C907 47/50
*8
D906
X
*
T901
QQT0355-001
C905
RELAY RY901
QSK0085-001
C991 QCZ9074-103
T921
QQS0158-001 QQS0203-001
R910 680K 1/2W
R911 47
1W
D905
R906
2.2
1/2W
D922
*9
R991 QRZ9041-275
C922
OPT
C992
QCZ9074-103
D921
*9
D925
*5
Q921
2SD1383K/AB/-X
QQR0582-001Z
K922
QQR0582-001Z
R925
QRX01GJ-1R0
K923
QQR0582-001Z
D923
*9
R921
K921
K924
D924
BW
X
C930
QCB32HK-102Z
D927 RU3YX-LFC4
RU3YX-LFC4
*9
R922
1k
R923 47K
C929
QCZ0340-102
R924
QRX01GJ-1R0
C931
QCB32HK-102Z
D928
C921
470/25
R934
27K
D931
*5
Q922
2SC2785/JH/-T
D926 RU3AM-LFC4
C923
QEZ0203-107
QQL26AK-470Z
C925 470/16
C927 470/25
R933
12K
R935
L921
QQL26AK-470Z
L922
C946
0.01
33K
CN0B1 CH41169-R03Y
C924 47/160
C926 100/16
STBVCC
BT
MAIN_PW
Q923
*1
R932
12K
C935
R938 10K
47/16
1/2W
R936
10K R939 10K
1/2W
R937
X Q924
2SA1208/ST/Z1-T
R929
22K
1/2W
R930
47K
1/2W
C933 47/10
18
R941 2WOMR
IC921
AN7809F
C940
0.01
1/2W
R926
1.2
C932 100/6.3
D929
MTZJ7.5A-T2
9V
100/16
D933
1N4002G-T2
D932
MTZJ33B-T2
2W
B1
R927
1.2
2W
R928
2.7K
1/2W
D930
R931
X
C943
0.01
C941
100/16 100/16
R942 1/2W
C942
5.6
82
R943 1/2W
IC922AN7805F
C944
A_VCCA_VCC
9V
GND
5V
5V
C945
0.01
A_GND
ABCL
HD
2SC4212/Z1/
R508
100
R509
270
V-OUT
FBP
VP
R403
10k
R404
X
R406
R405
*
10k
D526
MA4068N/Z1/-T2
R511
*
R512
*
R510
C509 QCB32HK-331Z
C510
2.2/250
R534
XX
T501
CE42034-002
QRE121J-220Y
R535
QRE121J-103Y
Q501
C508 QCB32HK-151Z
Y501
0
C403 10/16
N
NRZ0032-7151
R533
*
LC30381-001A
Q521
2SD2634-YD
R521
C405
10/50
R402
*
R532
X
R531
C521
MAIN PWB (2/2) SFE-1026A-M2 [AV-27D104/RA] / SFE-1025A-M2 [AV-27D104/SA] / SFE-1022A-M2 [AV-27D304/RA] / SFE-1021A-M2 [AV-20D304/SA] SFE-1028A-M2 [AV-27430/RA] / SFE-1027A-M2 [AV-27430/SA] / SFE-1030A-M2 [AV-27432/RA] / SFE-1029A-M2 [AV-27432/SA]
No.52102 No.52102
2-7 2-8
Page 5

PATTERN DIAGRAMS MAIN PWB PATTERN

AV-27D104 AV-27D304
AV-27430 AV-27432
AV-27D104 AV-27D304 AV-27430 AV-27432
K902
C903
R901
D904
R908
D908
C904
LF901
IC901
W901
C909
K901
C901
VA901
CL003
R907
C910
CL002
D901
C905
D903 D902
W903
HS009
C991
C902
F901
R991
CL004
S751
R906
W902
D907
C907
K903
K904
R905
R904
R910
C911
C992
W905
W904
Q923
R932 R933
Q922
R935
C935
W918
D906
C908
R934
C682
R666 R665
C653
D905
R911
R937
D930 D929
D682
W911
R931
D681
C932
RY901
TH901
W912
C652
R921
C681
C655
T901
C922
D931
W655
R929
C676
C651
C656
Q924
C672
R651
D751
R928
C671
C675
C674
Q921
R668
C654
C658
T921
D923 D924
W909
C657
R756
R903 R902
R923
C660
R654
R926
D925
W908
R922
C673
C661
D922
D933
R667
R658
R671
C659
IC751
W920
K921
R927
C924
C678
C670
R941
IC651
C752
K923
K924
C923
R930
W917
W928 W927 W926 W923 W922 W925 W924
C669
R662
R661
R657
C663
C929
R664
C751
K922
L921
D921
IC921
C943
R663
C668
R925
W907
W910
C941
C677
C662
R656 R655
R924
W651
W652
R669
C665
C664
R757
D927 D928
D926
C933
C921
W803
R670
R653
R758
C925
L922
R293
C926
C940
W202
W654
C666
Q751
C930
R297 R298 Q293
W201
C667
R652
W919
C927
C859
W653
R659 R660
C946
Q292
C292
R231
W804
W814
C703
W713
R254
R296
Y295 R294 R295
R232
R216
R717
C702
R720
W617
Q681
Q682
R252
Y294
C233
R217
R706
C931
R682
R692
R685
Q683
Q684
C293 Q291 Y281
R233
R212
IC704
R684
Q251
Q233
W718
S752
R257 R251
C274 Y251
W813
W613
W717
W607
J002
R691
C689
R292
C252
R255
C254
W251
R256
Y253
W811
Q211
R702
W711
C701
W609
W608
W610
R683
W681 Q851
R863 R862 R852
R686
W806
C253
Y293
C266
R235
D705
W716
W604 W916 W915
Y855
R681
D803
D807
IC703
W715
W719
W710
W709
W942 W941 W601 W602
W603
W605
D684
C684
W810
R253
K254
R215
R701 R721
C807
W732
J001
W815
C211
Q252
R261
R262
Q232
L232
W714
IC201
R751 R752
R803
L251
R715
IC702
C803
W812
R861
R778
C862
R263
C270 C269
C704
C711
C710
S753
R802
W805
C272
W253
R234
W257
R703
R716
W612
W614
C601
C602
R801
R851
IC851
C860
C273
W204
R714 C815 R821 X701
C705
R707
R709
R731
R708
C858
C223
W258
C276
W203
R732
C613
C615
D661
R853
C851
R264
C267
C713
R705
C716
R740
W913
D802
C275
W205
R704
R718
R768
W914
R753
D683
W801
R854
C852
W808
K701
C709
C708
R733
D702
R769
R609
IC601
S754
C683
W802
C802
R857
C854
C861
L291
Y292
C268
K702
R739
R734
W729 R729 W728
R770
Y601 R601
R602
Y602
Y854
J004
D686
D801
C801
Y852
W836
C863
R855
C864 C865
C855
C856
W807
C857
W809
C264
IC251
C265
Y252
K255
K253
W252
C501
W707
W501
R504
C503
C502 R503
R363
C712
R360
C362
Q701
C361
D365
D367
W361
W720
R631
W615
R754 R755
R833
Y685
C686
C685
C263
K251
R366
D366
W362
S755
J003
C831
R771
C278 C277
W706
W616
Y856
D685
R772
C261
C504
R362
R615
R831
D832
D834
C834
R773
C283
L281
W271
C282 Q281
C262
W708
C402
R401
R361
R606
C833
R774
R777
R286
R287
Q282
W113
R364
R365
C608
W131
R776
R283 R282
W112
C401
C610
D831
R856
R775
W132
R285
Q283
R288
C166
R502
C243
R616
R608
R832
Y686
R858
R859
C853
C163 R171
C164
CF161
R834
R835
W832
R617
C603 C604
S756
D833
C832
R860
W161
L161
R836
R501
C247
D369 D368 D370
R625
R618
R006 R005
C007
C006
C002
C005
C162
R164
W831
C607
R603 R604
C609
R008
C161
R166
R165
W254
W833
D501
Q605
R161
W272
C507
R359
C202
C605 C606
CF001
Q161
R168
W835
W255
W291
W206
Q602
C629
TU001
R003
Y101
C101
Y102
C116
R163
T111
C165
R169
W281
C506
D353
R201
C221
R605
R936
SF101
IC101
C167
R167
L131
R354
R627
R607
R004
R102
W002
W834
C203
C244
R101
C104
C113
C114
W954
W207
R356
R241
C616
R614
C627
D687
C001
C004
C003
R227
R104
W953
Q352
C354
D932
R103
R115
W105
W963
D352
C352
R505
C241
Q607
C687
Q101
L101
CF131
W962
C505
Y605
R630
R687
C102
R105
Q001
W952
C835
C105
W102
R113
C121
W705
W961
R838 R837
W951
C836
C837
R939
C124
C119
C120
W704
R619
R620
C628
D688
C688
J006 J007
R938
K001
C107
L114
W106
C106
K101
W703
C237 C222
R767
R112 R111 R117
R119
R131 R132
R116
Q131
R135
W103
C617
C614
C623
C622
LC801
R688
R765
R766
R133
R134
W702
R506
H602
R764
C528
S401
C131
W701
R507
IC602
J005
C531
R530
C804
D524
R528
W401
C618
R805
W403
D401
W404
W353
R622
D804
W505
R409
R404 R405 R403
C530
D525
R942
R621
C624
C626
R804
W506
HS004
W409
C619
C625
W622
J008
R402
C405
R406
R410
R413
C404
IC421
C403
W507
C620
Y604
C406
W405
R629
C412
W406
C942
R628
Y603
R415
W408
IC922
R943
W621
R416
R414
R412
R411
C413
C407
C408
W402
W407
K401
C945
T521
C411
D402
R407 R408
C409
C944
C532
C522
L521
Y521 Y522
C410
R508 R509
TOP
R526
C524
Q501
D522
C521
H002
R522
C527
Y501
C523
C508
C509
R523
T501
R331
R324 R325 C322
D523
R525
Q521
R521
R333
D333
C341
R335
R332
R326
L522
W503
R314
R316
C321
R510
R311
R529
SCREEN
W351
D334
R527
W509
R524
W502
D331
C529
C525
C510
Q331
R321
R534
R531
D526
R541
W504
W510
C312
C331
W352 D332
R532
R535
W508 D521
C526
R512
343 C
R334
R533
R511
R323
Q311
C311
Y342
R315
R
Y341
3
FRONT
CRT SOCKET PWB RA TTERN (Within MAIN PWB)
R301 C301
3
1
R322
TP-E
R312
R306
R304
Y343
SK351
R305
C302
R
Q301
R302
303
L341
C342
No.52102
2-9 2-10
No.52102
Page 6
AV-27D104 AV-27D304
AV-27430 AV-27432
AV-27D104 AV-27D304 A V -27430 AV-27432

CHANNEL CHART (US) CHANNEL CHART (CA)

MODE
CATV
TV REAL DISP.
BAND
VL
VH
MID
SUPER
HYPER
ULTRA
CHANNEL
02 03 04 05 06 07 08 09 10 11 12
13 A B
C D
E F
G H
I
J K L
M N O
P
Q R
S T
U
V
W W+1 W+2 W+3 W+4 W+5 W+6 W+7 W+8 W+9
W+10 W+11 W+12 W+13 W+14 W+15 W+16 W+17 W+18 W+19 W+20 W+21 W+22 W+23 W+24 W+25 W+26 W+27 W+28 W+29 W+30 W+31 W+32 W+33 W+34
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70
TUNER
BAND
I
II
I
II
IV
MODE
TV REAL DISP.
CATV
NOTE:
TO RECEIVE THE SUBSCRIPTION OR PREMIUM PROGRAMMING FROM CERTAIN CABLE COMPANIES. SPECIAL ADAPTERS MAY BE REQUIRED.
BAND
ULTRA
SUB
MID
UHF
TOTAL 180CH
VHF 124CH
UHF 56CH
CHANNEL
W+35 W+36 W+37 W+38 W+39 W+40 W+41 W+42 W+43 W+44 W+45 W+46 W+47 W+48 W+49 W+50 W+51 W+52 W+53 W+54 W+55 W+56 W+57 W+58 W+59 W+60 W+61 W+62 W+63 W+64 W+65 W+66 W+67 W+68 W+69 W+70 W+71 W+72 W+73 W+74 W+75 W+76 W+77 W+78 W+79 W+80 W+81 W+82 W+83 W+84
A-8 A-4 A-3 A-2 A-1
14 69
71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93
94 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125
01
96
97
98
99
TUNER
BAND
IV
I
IV
MODE
TV REAL DISP.
CATV
BAND
VL
VH
MID
SUPER
HYPER
ULTRA
CHANNEL
02 03 04 05 06 07 08 09 10 11 12
13 A B C D E F G H
I J K L
M
N O P Q R S T U V
W W+1 W+2 W+3 W+4 W+5 W+6 W+7 W+8 W+9
W+10 W+11 W+12 W+13 W+14 W+15 W+16 W+17 W+18 W+19 W+20 W+21 W+22 W+23 W+24 W+25 W+26 W+27 W+28 W+29 W+30 W+31 W+32 W+33 W+34
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70
TUNER
BAND
I
II
III
IV
MODE
TV REAL DISP.
CATV
NOTE:
TO RECEIVE THE SUBSCRIPTION OR PREMIUM PROGRAMMING FROM CERTAIN CABLE COMPANIES. SPECIAL ADAPTERS MAY BE REQUIRED.
BAND
ULTRA
SUB
MID
UHF
TOTAL 180CH
VHF 124CH
UHF 56CH
CHANNEL
W+35 W+36 W+37 W+38 W+39 W+40 W+41 W+42 W+43 W+44 W+45 W+46 W+47 W+48 W+49 W+50 W+51 W+52 W+53 W+54 W+55 W+56 W+57 W+58 W+59 W+60 W+61 W+62 W+63 W+64 W+65 W+66 W+67 W+68 W+69 W+70 W+71 W+72 W+73 W+74 W+75 W+76 W+77 W+78 W+79 W+80 W+81 W+82 W+83 W+84
A-8 A-4 A-3 A-2 A-1
14 69
71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93
94 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125
01
96
97
98
99
TUNER
BAND
IV
I
II
IV
No.52102 No.52102
2-11 2-12
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