Block Diagram - JVC AV-21M316 Service Manual

BLOCK DIAGRAM

SCL
SDA
TU001
TUNER
IF
J801
SW1
Y1
S-VIDEO
C1
VIDEO-1
CVBS1
S_VIDEO
V
INPUT
L1
L
R1
R
J802
V2/Y
Y
PB
VIDEO-2 CB
COMPONENT PR
CR
VIDEO
J803
L2
INPUT
L
R2
R
J804
V-OUT
VIDEO
L-OUT
L
OUTPUT
R-OUT
R
MAIN PWB
(FRONT LED)
J806
V3
VIDEO
VIDEO-3
J807
L3
INPUT AUDIO-L
J808
(FRONT)
R3 REMOCON
AUDIO-R
RECEIVER
VOL+ VOL- CH+
S901
F901
AC IN
POWER SW
108,109
SCL1, SDA1
I 2 C
127,128 SCL0, SDA0
IC702
MAIN MEMORY BUS
98,99 LED
I/O
97 REMOTE
PORT
119 KEY_IN
122
SV_DET
SF101 29, 30 SIF IN
SIF DETECT
SAW FILTER
24, 25 VIF IN
SF102
VIF DETECT/AGC/AFT
SAW FILTER
SOUND TRAP
Y
79
80 PB
78
PR
55 V2
VIDEO
SELECT
58 Y/V1
59
C1
V3
51
49 L1
50
R1
56 L2
57 R2
34
L3
35
R3
AUDIO
SELECT
48
VOUT
36 LOUT
37 ROUT
POWER
LED
CH- MENU
IC701 MAIN MICRO COMPUTER/
IF VIDEO RGB SYNC DEF. PROCESS
MICRO
DIGITAL SIGNAL PROCESS
COMPUTER
R G
PEAKING SCAN
VELOCITY MOD.
U/V DELAY
SKIN TONE
U/V TINT
SATURATION
B-Y R-Y R G
VIDEO
C COLOUR
RGB MATRIX
BASE-BAND
IDENT.
DECODER &
DELAY LINE
GAMMA
CONTROL
Y
V. DRIVE
SYNC
SEP.
COMB FILTER
Y DELAY ADJ.
H. DRIVE
AUDIO
SELECT
A_L 60 3
AUDIO
CONTROL
A_R
61 2
BASS PWB
IC972
3.3V REG
D901
RECT
T921
IC975
SW
5V REG
TRANSF.
IC973
12V REG
L951
IC921 PC901 IC951
POWER VOLTAGE ERROR
REG FEEDBACK AMP
(No.YA472)2-3 2-4(No.YA472)
MAIN PWB
B
85
ROUT
86
GOUT
87
BOUT
OSD
SELECT
B
VDA,VDB
22, 23
HOUT 67
14 9 13
IC601
IC671
AUDIO AMP
BASS AMP
23
3
13
Q983
Q984
1.8V
IC401
1.8V REG 1 5
V. OUT
Q981
Q982
V1.8V
Q522
1.8V REG
(V1.8A)
H. OUT
3.3V_STB
5V
8V
FOCUS
12V
32V
T522
B1
SCREEN
FBT
EHT
R
G IC351
V01
RGB OUT
B
CRT SOCKET
PWB
J809
HEADPHONE
SPEAKER L
SPEAKER R
V
V01
DEF YOKE
H