JVC AV-56WP30 Service Manual page 85

CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAMS [1/12]
! TU101 QAU0206-001
U/V TUNER
L101 0
QRN143J-0R0X
R102 0
E2 R103 0
QUB130-06A5EM
CHASSIS FRAME
C101 C102 C103 C104
X 470/16 10/50 10/50
CN0E1
CE41507-001P
LINE FILTER
PWB F_MONO
IC101
X
MICOM
MODE1 MODE2
GND
NC GND
5V
5V
A5V
5V
9V
BS_5V
BS_5V
L_SWOUT
L_SWOUT
R_SWOUT
R_SWOUT
21V
21V
HDD_DIN
HDD_DIN
HDD_CLK
HDD_CLK
HDD_REQ
HDD_REQ
M7V
M7V
SCL0
SCL0
SDA0
SDA0
14V
14V
TV_V1
TV_V1
TV_V1GND
TV_L1
TV_L1
TV_R1
TV_R1
C/N_AFT1
C/N_AFT1
AFT2
AFT2
12V
BS_POW
BS_POW
AMP_MU
AMP_MU
S_MU
S_MU
AMP_PRO
AMP_PRO
L_BBEOUT
L_BBEOUT
R_BBEOUT
R_BBEOUT
BBEAMP_G
BBEAMP_G
BBE_SW
BBE_SW
TU_5V
TU_POW
TU_9V
Y157
0
Y241
R117
0
0
R104 QRN143J-0R0X
0
C/N_AFT1
R105 C105
X X
R124 X TV_L2
C106
4.1V X TV_L1 R125 X TV_R2
C107 TV_R1
X
TV_V1
RECEIVER PWB
SSB-0R253A-M2
C108
10/50 MPX_GND
MPX
CN005 QGB1505J1-40
AGCMU1
BT30V
L102 0
QRN143J-0R0X
MAIN_BUS
C110 C109
X X
PS
BS DIGITAL
AUDIO INPUT
ONLY AV-28A2
LATCH
J598
C598
X
R598
X
X
GND MAIN L
5V D598
C599
BOTH
X
GND X
R
5V SUB
D599
R599
ST X
X
BIL
TU101 18
Y971
1
0
R971 Q971
Y974
X X
0
SW
R972
X
R970
Q972
X
R973 X
X SW
C971
X
R974
X
Y972
0
R975
X
Q973
X
R976
SW
X
Q974 R979
X X
SW
R977
X
Y973
C972 X
X
R978
X
IC971
X
5V REGULATOR
C974
X C973
D971
X
X
No.52007
AV-56WP30 AV-56WP30
C623
MAIN_BUS
C624
C621
X
R622
BP
X
C626 X C625
R640 CK X CH
X
R624
C627
C622
X CH
X
BP
R625 X
C628
X CK
R626
X
C629
X
Y104 0
Y103 X Y107 X
Y108 X
Y109 X RECEIVER PWB
R119 X
CN010 QGB1505J1-40
R120 X
R121 X
R122 X
MAIN PWB
(1/12)
(U/V TUNER/AUDIO)
SSB-1053A-M2
2-5 2-6
IC621
X
C630
TONE&VOL
X
R629
X CK
X R628
4.3V 0V
FT1 FB22
X C641
C642
X X
R642 X
4.3V 4.3V R641
C631 BP
FT2 FB21 X MY
X
R621 X CK
R631
X
X C632
4.3V
IN1 FB11
X CK
4.3V 4.4V 4.4V 4.4V 4.4V 4.4V 4.4V 4.4V 4.4V
4.3V
R630
LOUD1 FB12
4.3V
X
R623 X
X 4.3V C633 X CK
IN2 OUT2
4.3V
4.3V
4.3V
LOUD2 OUT1
0V
8.8V
CHIP VCC
C634
X
0V 0V R651
4.4V 4.4V 4.4V 4.4V 4.4V 4.4V 4.4V 8.8V 8.8V 4.8V
FILTER SCL
X
R627
R632 R633
X
X X
4.4V
GND SDA R652 C652
C651
X X
X
MY
BP
R635 R634
0 0
R618 0
R644
0
SSB-0R253A-M2
X
NOTE
:
*1 2SC2412K/QR/-X
*2 : 2SA1037AK/QR/-X
*3 : MA111-X
:
*6 MA3062/M/-X
:
X NON MOUNT
BW : BUS WIRE
No.52007
R_BBEOUT
C646 C645
X X PS
C647
X
C643
R643 X
IC641
X MY
X
BBE
8.8V 0V
R645 X
R647 X
R653 C653
X X
R649
MY
X
C648
X