JVC AV-48WP30 Service Manual page 82

MAIN PWB CIRCUIT DIAGRAM [2/12]
MHDDBSD
U/V HDD_THRU
TUNER/
AUDIO
MAIN_SUB
BSD_OTH
MICOM LATCH
IC560
BU2098F-X
R_GAIN
R_SWOUT
Audio_R
AS_MU
AS_MU
L_SWOUT
Audio_L
R_GAIN
R_GAIN
MON_RSW
Mon_R
M_MU
M_MU
MON_LSW
Mon_L
GND
MON_V S2_2
Mon_V
AV9V
R3 S2
R3
S3
S3
L3 V1
AV JACK PWB
L3
GND
V3_G
V3 L1
V3
S2_3
S2-3
C3 Y1
C3
GND
Y3_G
Y3 R1
Y3
S2
S2
R2 C1
R2
S2_2
S2-2
L2 S2_1
L2
GND
V2_G
V2 S1
V2
CN007
QGB1505J1-25
CN006
QGB1505J1-40
C2
C2
GND
Y2_G
Y2
Y2
V_RT
V_RT
L1
L1
S1
S1
R1
R1
GND
V1_G
V1
V1
S2_1
S2-1
C1
C1
GND
Y1_G
Y1
Y1
D33
D33
Y152
9V
AV JACK PWB X D32
D32
GND
D31
D31
Y153 D13
D13
0 D12
D12
D11
D11
BSDJ
BSDJ
BSD3
BSD3
BSD2
BSD2
BSD1
BSD1
V1_V3
BSD_V
BSD_V
BSD_H
BSD_H
COM_RG
COM_RG
COM_R
COM_R
COM_BG
COM_BG
COM_B
COM_B
COM_YG
COM_YG
COM_Y
COM_Y
BSD_RG
BSD_RG
BSD_R
BSD_R
BSD_BG
BSD_BG
BSD_B
BSD_B
BSD_YG
BSD_YG
BSD_Y
BSD_Y
R565 X
R554
R567
0
X
R569 R563
X *
L560
C560
X
1/25
R553 X
R561
R568 X R562 100
100
R566 X CF1
R564 X
NC
NOTE
*1 : 2SC2412K/QR/-X
R570
X *2 : 2SA1037AK/QR/-X
R557
X
*3 : MA111-X
R503
R555 R558
10k NON MOUNT
10k X X :
R556
100
R510
X
S2-3
V2 V3
S-3
R538
220
V4
R539
6.8k
LV4
R577
220
Y4
R578
6.8k
V1
RV4
R579
220
C4
S2-4
S-4
C514
L_HDDSW X
LV5
R523 X C516
V_RECOUT X
V5 HDD/BSD
R520 X C515
MONITOR
X
RV5
R525 X
ADR
Q520
X
BUFFER
R544
X
R_HDDSW
R545 R546
X X
R521 R524
220 220
R542
IC521 2 3 0
IC521 5 MON_RSW
MON_LSW R541
0
L1
R1
BP BP
C545 C544
X X
C541
X
No.51914
AV-48WP30
AV-48WP30
C501
0.1/25
IC501
CXA2069Q
CH CH
AV SELECTOR
R547 6.8k
4.5V
RTV
C535
CH
X R548 0
V4 4.5V
TV
BS
R549 6.8k
4.5V
LTV
C536
CH
4.5V X R550 18K
RV6
C537
CH
4.5V X R551 0
TV V6
R552 18K
4.5V
LV6
C538
CH
X
4.5V
COUT1
VGND
4.5V
YOUT1
SUB
NC
TRAP1
4.5V
ROUT1
MAIN
4.5V
VOUT1
4.5V
LOUT1
IC521
CE42599-002
SUB Y/C SEP.
C532
C520
22/50 W-1
10p V
CH Vcc
R531 R532
100 0
8.8V
B1
C521 C583
C522
BP
33/16 2.2/16
0.01 C581
X
R581
100 C582
33/16
R585
X
C542 C543
BP BP
X X
Vcc L2 SWL Lo
IC541
SELECTER
X
GND R2 SWR Ro
Y505
0
M_BSD
2-7 2-8
R4
L4
V4
VCHIP
Y4
AGCMU1
M_BSD C4
R501 220
R502 220 SCL0 S4_US
R507 100 SDA0
R508 100 SELTV1
SELTV2
SCL0
SDA0
AS_MU
IC502
M_MU
M62320FP-X
MICOM LATCH
R506 X
BLEV1
R505
X BLEV2
C502
47/25
TV_V1GND
AGCMU1
TV_V1
TV_L1
TV_R1
V_BS
VG_BS
L5
R5
R586 0 C539 SELTV2
10/50
R5 SELTV1
V_BS VCHIP
LC501
X VG_BS
L5 C_SWMAIN
R588 0
R587 0
TV_R1 VY_SWMAIN
TV_V1
LC502
TV_V1GND
X
TV_L1
C
R589 0
C_SWSUB
Y
VY_SWSUB
VY_SWSUBG
R_SWSUB
L_SWSUB
Y504
C_SWHDD
X
R593
X
R591 C_SWSUB
X
VY_SWSUB
Q591
X VY_SWSUBG
R592 BUFFER
Y/C SEP.
X
C_SWHDD
VY_SWHDD
C Y
R_SWSUB
Y503
VY_SWHDD
GND L_SWSUB
X
V_RECOUT
R596
L_HDDSW
X
R594 R_HDDSW
X
S1DC
Q592
X
V BLEV1
R595 BUFFER
BLEV2
X
L_SWOUT
R_SWOUT
MAIN PWB
(2/12)
(AV SELECTOR)
SSB-1051A-M2
No.51914
R4
V4_GND
L4
V4_GND
V4
MICOM
V4_GND
Y4
V4_GND
C4
V4_GND
S4_US
SCL0
SDA0
AS_MU
M_MU
TV_V1GND
AGCMU1
TV_V1
TV_L1
U/V
TV_R1 TUNER/
V_BS AUDIO
VG_BS
L5
R5
SELTV2
SELTV1
VCHIP
IP BASE
C_SWMAIN
VY_SWMAIN
Q505
X
BUFFER
SUB_CCD
R560
X
MICOM
C_SWSUB
I/P BASE
VY_SWSUB
VY_SWSUBG
C_SWHDD
VY_SWHDD
R_SWSUB
L_SWSUB
U/V
V_RECOUT
TUNER/
L_HDDSW
AUDIO
R_HDDSW
S1DC
BLEV1
BLEV2
L_SWOUT
R_SWOUT
AUDIO
AV_9V
9V
BS_5V REGULATOR
5V