JVC AV-27D303/S Service Manual page 56

AV-27D303
AV-27D203
VOL+ VOL-
S753
S752
Q751
QSW0619-003Z QSW0619-003Z
*3
R756
1.2k
D751
R752 R753
SLR-342VR3F 1.5k
1k
RED
(LED HOLDER:LC30190-001B-A)
LED
C615
X
C602
R602
1
IC201 26
N
22K
4.3V 4.3V 4.3V 4.3V 4.3V 4.3V
0.5
20 19
IC201 28
1 2
4.3V 4.3V 4.3V 4.3V 4.3V 4.3V
0.8
N
0V C601
29
1
R601
C613
X
22K
IC201 14
5
IC201 18
BUFFER
Q352
2
8.7V
*2
5.2V
R356
C352
12k
28 47/25
2.1V
C222
0.1
R289
1K
R299
1K
C285
R290 R280
47/25
1K
1K C295
0.01
R282 R288
Q283
R285
2.2k
C282 0
*1
330
X
4.2V AMP
C284
X
2.6V
2.6V Q282
*2
R284
R283
2V
X BUFFER
820
2V
L281
QQL244K
C281 C283 R287
R286
-150Z
X 33p 1K
1k
R295 R298 C294
R292
0
330
2.2k X
C292
X Q292
4.2V
*2
BUFFER Q293
2.7V
*1
291
2.7V
AMP
1 R294
R293 X
ER
470
2V
L291
QQL244K
C291 C293 R296 R297
-150Z
15p
X 1k 1K
D803
D807 D801
*6
*6
*6
J001
QNZ0454-001
C801
10/50
C803
1/50
10 9
R684
R801
R803
22K D802
75 68
8 7
*6
C802
Q682 *2 J002
1
10/50
QNN0348-001
SWITCH
R802
R681
C681 2
75
10/50 220
1
VIDEO
4
3
R691 L
6
C683
82K
82
Y 10/50
10/50
2
D683
*6
R682
220
3
R692 R 4
C684
22K 5
D684
10/50
*6
Y855
X
Q684 R686
22K
CH *2
SWITCH
2-6
MENU
CH+ CH- IC751
S754 S755 S756 GP1UM281QK
QSW0619-003Z QSW0619-003Z QSW0619-003Z REMOCON
1 2 3
R758
100
C751
47/25
R757
R754 R755
2.7k 5.6k 100
C752
X
IC601
NJM2150AD
BBE
Y602
OPT
C609 C610
47/25 .01
C608
10/50
R604
C604 C606
3300p 22K .033
4.4V 4.3V 8.8V
18 17 16 15 14 13 12 11
3 4 5 8
6 7 9 10
4.3V 8.8V 8.8V 0V
R617
3.3k
C603 R603 C605
3300p 22K .033
R605
R618
Y601 R607
OPT
0 3.3k
0
C607
R609
10/50
10K
R608
X
R606
X
R354
5.8V 330
D352
*6
IC251 4
1
IC251 17
0.5
IC251 20
1
D685 D686
*6
C834
D834
*6 10/50
Y852
J003
X
C831
QNN0349-002
0.1
CMP_Y C685 C686
10/50
1 10/50
2
R831 D831
75 *6
C832
0.1
CMP_PB
3
6
D832
R832 4
*6
75
4
5
C833
0.1
CMP_PR
2
J004
R833 D833
QNN0348-001
75 *6
Y856 X
Y854 0
J007 J006 J005
QNN0282-001 QNN0281-002 QNN0281-003
R L V
1 2 2
1 1
2
3
R687
R688
220
220
R804
C687
C688 75
10/50
10/50
D687 D688
*6
*6
C804
10/50
R805
D804
100
*6
! IC602
LA4446 AUDIO
1 2 3 4 5 6 7 8
1V 0V 8.8V 16 8.8V 15
0V 16 15
.8V .7V
.8V
C617
220/16
C616
R619
10/50
390
C618 C624
C627
100/16
47/25 100/16
R615 R616
12K
12K
C611 C612
10/50 10/50
R627
100
C614
470/16
R614
Q602
QRL039J-100
*4
R625
SWITCH
33k
W602
QRX029J-3R3
C629
X
R135
1k
L131
VTV 1.1V
QQL244K-220Z
R134
R132
680 220
C131
0.01 1.7V
Q131
*1
R131
R133
1k
BUFFER CF131
820
QAX0639-001Z
C119
680p
C121
X
L114
X
R116
R119 68
1.5V 3.5V 2.1V 4.9V 4V 4.1V 4.7V 2.2V 3.1V 2V
X
20 19 18
IC101
M52342SP
IFDET
R111
150k
1 2 3
R117
R115
27k 1.7V 5.6V
100
AFT
1.7V 1.3V 1.4V
R113
100
R112
150k C114 C124
AGC_ADJ
0.01 0.01
C113
0.01
AGC_MUTE
Q001
1.8V
*4
0V
1
QQLZ014-R39
L101
R103
QRE121J
R101
-101Y
5.6k
C104
0.01
Q101
2SC5083/
0.7V L-P/-T QAX0349-001
1.6V CF001
C105 C101
0.01 8.7V
R104 0.01
18
R102
C102
1.8k
*6 0.01
R008
R105
82
27
C003
47/25
QQR0582-001Z K001
C002
0.01
C004
220/10
SDA0
R004
220
SCL0
R003
220
C007
L
1
R005
0
R006
22k
6 5 4 3 2 1
R
CN00C
3
QGA2501F1-06
No.51940
4 6
5
J008
OPT
7 8 9
1 2 3
! CEBSS09D-03KJ2
STEREO
R628
R629
OPT
OPT
SP01
1
Y603
2
BW
3
4
Y604
BW
SP02
CN00S S
QGA2501C5-04Z
A_VCC
A_GND
9 10 11 12 13
0V 1V 0V
0V
.7V
Y605
BW
C619
470/16
C623
C622
220/16
10/50
C620
R620
0.1
390
R621
4.7
C626
C625
0.1
470/16
R622
4.7
R167
R165
1K
22K
QAX0642-001Z
Q161
CF161
*2
C163
C164 BUFFER
47p
47p R166
R168
10K
100
R164
R169
1k
T111
L161 560
C165
QQR0907-001
QQL244K-220Z
0.01
Y161
X
C166
0.01
17 16 15 14 13 12 11
IC101 18
2
4 5 6 7 8 9 10
0V 2.4V 2V
0V 4.4V
C161
C162
10/50
10/50
2 3 4 5
SF101
F072FPL
K101
QQR0582-001Z
! TU001
QAU0275-001
0V
IF
33.1V
BT
C005
0.01
4.2V
5V
C006
X 4.6V
SDA
4.4V
SCL
4.2V
ADRS
X
1.8V
AGC
C001
4.7/50
L
R
A_VCC
A_GND
V-OUT
V-OUT
HD
HD
FBP
FBP
ABCL
MAIN_PW
9V
BT
5V
STBVCC