JVC AV-29WX14/G Service Manual page 38

BLOCK DIAGRAM
IC702
MAIN MEMORY
TU001
IF
TUNER
SAW FILTER
SAW FILTER
SW1
Y
C
J801
VIDEO
VIDEO-1
INPUT
AUDIO L/MONO
AUDIO R
V/Y
CB
J802,J803
CR
COMPONENT
(VIDEO-2)
AUDIO L/MONO
INPUT
AUDIO R
VIDEO OUT
J804 AUDIO L
OUTPUT
AUDIO R
VIDEO
J802~J804
AUDIO L/MONO
FRONT IN
REMOCON POWER
(VIDEO-3)
AUDIO R
RECEIVER
TV/VIDEO VOL+ VOL- CH+ CH-
S901
F901
AC IN
POWER SW
FRONT CONTROL PWB (1/2)
I 2 C
127,128 SCL0, SDA0
BUS
111 ROTATION
98,99 LED
I/O
97 REMOTE
PORT
119 KEY_IN
122
SV_DET
29, 30 SIF IN
SF101
SIF DETECT
24, 25 IF IN
SF102
VIF DETECT/AGC/AFT
SOUND TRAP
79 Y
80 PB
78 PR
55 V2
VIDEO
SELECT
58 Y/V1
59
C
51 V3
L1
49
50 R1
56 L2
57 R2
L3
34
35 R3
AUDIO
SELECT
48 VOUT
36 LOUT
37 ROUT
LED
MENU
3, 6
ROTATION
COIL
IC481
2, 8
ROTATION
No. YA104
IC701 MAIN MICROCOMPUTER, TELETEXT DECODER,
VIDEO/SYNC/DEF PROCESSOR
MICRO
TELETEXT DECODER
COMPUTER
DIGITAL SIGNAL PROCESS
PEAKING SCAN
VELOCITY MOD.
U/V DELAY
SKIN TONE
U/V TINT
SATURATION
B-Y R-Y
VIDEO
C COLOUR
BASE-BAND
IDENT. RGB MATRIX
DEMOD
DELAY LINE
GAMMA
Y
V. DRIVE
SYNC
PARABOLA GENERATE
SEP.
COMB FILTER
Y DELAY ADJ.
H. DRIVE
AUDIO
SELECT
OUT_L 60
AUDIO
CONTROL
OUT_R
61
IC972
3.3V REG
D901
RECT
T921
IC975
SW
5V REG
TRANSF.
IC973
12V REG
IC921 PC901
POWER VOLTAGE ERROR
REG FEEDBACK
2-3 2-4
R G B
ROUT 85
86
GOUT
BOUT 87
OSD/TEXT
INSERT
G
R B
&
VDA,VDB 22, 23
EWD 21
HOUT 75
5
IC601
AUDIO AMP
2
IC974
IC401
1, 7
1.8V
1.8V REG
V. OUT
IC976
V1.8V
1.8V REG
Q522
H. OUT
IC451
PARABOLA AMP PARABOLA DRIVE
STB3.3V
5V
8V
12V
32V
T522
B1
L951
FBT
IC951
AMP
No. YA104
MAIN PWB
R
G IC351
V01
RGB OUT
B
Q208,Q209
VM OUT
VM
COIL
CRT SOCKET
PWB
J801
HEADPHONE
SPEAKER L
7
12
FRONT CONTROL
SPEAKER R
PWB (2/2)
5
V
DY01
DEF YOKE
H
Q461
FOCUS
SCREEN
EHV