Block Diagram - JVC AV-21YMG4/G Schematic Diagrams

BLOCK DIAGRAM

SCL
SDA
TU001
TUNER
IF
J801
V1
VIDEO-1
VIDEO-1
L1
INPUT
AUDIO-1
J806,J807
VIDEO-2 V3
VIDEO-2
INPUT
L3
AUDIO-2
(FRONT)
J802
V_OUT
VIDEO_OUT
OUTPUT
L_OUT
AUDIO_OUT
REMOCON
RECEIVER
VOL+ VOL- CH+
S901
AC IN
POWER SW
108,109
SCL1, SDA1
127,128 SCL0, SDA0 I 2 C
IC702
MAIN MEMORY BUS
98,99 PW_LED
I/O
97 REMOTE
PORT
119 KEY_IN
29, 30 SIF IN
SF101
SIF DETECT
SAW FILTER
24, 25 VIF IN
SF102
VIF DETECT/AGC/AFT
SAW FILTER
SOUND TRAP
VIDEO
SELECT
58 V1
V3
51
49 L1
L3
34
AUDIO
SELECT
48 VOUT
36 LOUT
POWER
LED
CH- MENU
F901
IC701 MAIN MICRO COMPUTER/TELE TEXT DECODE/
IF . VIDEO . RGB . SYNC . DEF. PROCESS
MICRO
TELE TEXT DECODE
COMPUTER
DIGITAL SIGNAL PROCESS
R
PEAKING SCAN
VELOCITY MOD.
U/V DELAY
SKIN TONE
U/V TINT
SATURATION
B-Y R-Y R
VIDEO
C COLOUR
BASE-BAND
RGB MATRIX
IDENT.
DEMOD
DELAY LINE
GAMMA
Y
V. DRIVE
SYNC
SEP.
COMB FILTER
Y DELAY ADJ.
H. DRIVE
AUDIO
SELECT
A_L 3
AUDIO 62
CONTROL
IC972
D901 3.3V REG
RECT
T921
IC975
SW
5V REG
TRANSF.
IC973
12V REG
L951
IC921
POWER
REG
(No.YA126)2-3 2-4(No.YA126)
MAIN PWB
G B
ROUT 85
GOUT 86
BOUT 87
OSD/TEXT
INSERT
G B
&
VDRA+,VDRB- 22, 23
HOUT 67
IC601
5
AUDIO AMP
IC974
IC401
1, 7
1.8V 5
1.8V REG
V. OUT
IC976
V1.8V
1.8V REG
Q522
H. OUT
3.3V_STB
5V
8V
FOCUS
12V
32V
T522
B1
SCREEN
FBT
EHV
R
IC351
G
V01
RGB OUT
B
MAIN PWB
(CRT SOCKET)
J809
HEADPHONE
SPEAKER
V
DY01
DEF YOKE
H