Block Diagram - JVC AV-48WP74/AHA Service Manual

BLOCK DIAGRAM

COMP IN
SIF
RF
TU0102
SPLITTER
VIDEO TV-V2
MAIN
U/V FRONTEND LSOUT_R
LSOUT_L
IC0501
IC0531
AMP
SUB
WOOFER LPF
OUT
L
IC0561
AUDIO
OUT VAR/FIX SW
R
MAIN PWB
TV-V2
TU1101
SUB U/V FRONTEND
TV-V1, -L1, -R1
C1
TV 1 TV 2
Y1
V1
INPUT-1 V1
V
IC1501
L1
L V2
AV SELECTOR
R1
R
V3
V2
V
V4
L2
INPUT-2
L
L_SWMAIN
L_SWSUB
R2
R
R_SWMAIN
R_SWSUB
C3
Y3
V3
INPUT-3 Y in
Pb in
Pr in
L3
R3
Y /Pb/Pr in 3
L/R in 3
COM Y1
COMPONENT
COM PB1
VIDEO
INPUT-1
Y in M
COM PR1
Pb in M
Pr in M
COM L5
L
DIGITAL
INPUT
COM R5
R
COM Y3
COMPONENT
COM PB3
VIDEO
INPUT-2
COM PR3
AV COMPU
COMPU LINK
YC 4
V4
INPUT-4
V
L4
L
R4
R
FRONT CONTROL
PWB
SPEAKER INPUT
TWEETER
IC0201 AUDIO L/R
MTS/VOL/TONE
WOOFER
SW
RECEIVER
PWB
IC1661
IC6001 IC1641
AUDIO AMP
A.H.S BBE
Y IN
C IN IC3001
SUB 2D YC SEP &
CHROMA DEMOD
2DYC_RY LVD SVPX
2DYC_BY LHD SHPX
2DYC_Y
HD 1 in
C_SWMAIN
VD 1 in
VY_SWMAIN
VY_SWAP
IC1211
SYNC SEP/
DETECT/
SW
SYNC HDCP_H HD 1 out
C_SWSUB
1 in HDCP_V VD 1 out
MAIN_H, MAIN_V
VY_SWSUB
HDCP_H, HDCP_V
L in 1 L in 2 L out 3
R in 1
R in 2 R out 3
COMSYNCY
IC301
Y out 1
COMPONENT VIDEO
/AUDIO
COM_Y, COM_PB, COM_PR
SW
Y out 2
Pb out 2
Pr out 2
KEY
REMO
PHOTO
SENSOR
COMPU
IOR
IOG
TXC
IOB
RX1
HP/VP
DIGITAL
RX2
IC8001 IC001
POSI.
IN
SENSOR H/V
SYNC
IC601
REMOCON
SENSOR PWB
DIGITAL INPUT MODULE PWB
No.52105
AV-48WP74 AV-48WP74
AV-56WP74 AV-56WP74
MI-COM & DIST MODULE PWB
COM Y
IC101
COM PR
COM PB
IC001
I-P
A-D
CONVERTER
CONVERTER
IC3001
MAIN/SUB
IC201
3D YC SEP
DIGITAL
ENHANCE
V/H HDCP
V/H SYNC
AOYP
AOPRP
AOPBP
KEY IC1701
IC204
REMO MAIN MICRO
AMP
PROCESSOR
COMPU
Y OUT
PB OUT
OSD R / G / B
PR OUT
VM OUT
IC1301
CONV_R / G / B RGB
PROCESS
HS / VS
IC804 IC805
AMP AMP
RH / RV / GV
GH / BH / BV
CONVERGENCE OUT PWB
A. CONV. R
IC301
A. CONV. B
IC701
AMP
H/V_BLK
SUB MICRO
A. CONV. L
PROCESSOR
IC311
A. CONV. T
AMP
IC801 / IC811
DIGITAL
IC821 / IC831
CONVERGENCE
IC841 / IC851
MODULE PWB AMP
LINE FILTER PWB
FUSE
2-5 2-6
R CRT
SOCKET PWB
IC201
RAM IC1101
AMP
VM
COIL
IC301
ROM
R
IC2101
G
AMP
B
G CRT
VM
SOCKET PWB
IC3101
AMP
B CRT
SOCKET PWB
R OUT
G
R
G OUT
B OUT
DEF OSC PWB
IC101
DEF OSC
IC162
SIDE PIN
CORRECT
DIG OUT R / G / B
H. DRIVE
IC101
CONVERGENCE
RY951
DSP
SIDE PIN
RH / GH / BH OUT
RV / GV / BV OUT
IC501
D-A
Q501
CONVERT
Q503
H.OUT
IC911 T921
B1
POWER SW
REG TRANS
TC921
PC921
ERROR AMP
POWER &DEF PWB
No.52105
CRT
CRT
CRT
B
DY01 / DY02 / DY03
CONVER. YOKE
IC161
DISTORTION
CORRECT
V. DRIVE
Q531
IC401
~Q533
V. OUT
OUT
DY01 / DY02 / DY03
T502
DEF. YOKE
FBT
(R/G/B)