Block Diagram - JVC InteriArt AV-2986ME Service Manual

BLOCK DIAGRAM

SCL
SDA
TU001
TUNER
IF
J801 S_V_DET
Y1
S-VIDEO
C1
VIDEO-1
CVBS1
S-VIDEO V
INPUT
L1
L
R1
R
J802
V2/Y
Y
PB
PB
VIDEO-2
PR
COMPONENT
PR
VIDEO
J803
L2
INPUT
L
R2
R
J804
V-OUT
VIDEO
L-OUT
OUTPUT
L
R-OUT
R
J802
V3
VIDEO
VIDEO-3
J803
L3
INPUT
AUDIO-L
(FRONT) J804 REMOCON
R3
AUDIO-R RECEIVER
TV/VIDEO VOL+ VOL- CH+
S901
F901
AC IN
FRONT CONTROL PWB(1/2)
POWER SW
MAIN MICRO COMPUTER/TELETEXT DECODE/IF . VIDEO . RGB . SYNC . DEF. PROCESS
IC701
108,109
SCL1, SDA1
I 2 C
IC702 127,128 SCL0, SDA0
MAIN MEMORY BUS
98,99 PW_LED
I/O
97
REMOTE
PORT
KEY_IN
119
122
S_V_DET
29, 30 SIF IN
SF101
SIF DETECT
SAW FILTER
SF102 24, 25 VIF IN
VIF DETECT/AGC/AFT
SAW FILTER
SOUND TRAP
79 G3/Y
80 B3/PB
78 R3/PR
55
V2/Y VIDEO
SELECT
58 Y1/CVBS
59
C1
51 V3
49 L1
50
R1
L2
56
57
R2
34 L3
35
R3
AUDIO
SELECT
48 V_OUT
36 L_OUT
R_OUT
37
POWER
LED
CH- MENU
MICRO
TELETEXT DECODER
COMPUTER
DIGITAL SIGNAL PROCESS
R G B
PEAKING SCAN
VELOCITY MOD.
U/V DELAY
SKIN TONE
U/V TINT
SATURATION
B-Y R-Y R G B
VIDEO
C COLOUR
BASE-BAND
RGB MATRIX
IDENT.
DEMOD
DELAY LINE
&
GAMMA
Y
V. DRIVE
SYNC
SEP.
COMB FILTER
Y DELAY ADJ.
H. DRIVE
CVBSO/PIP(PIP_OUT)
AUDIO
SELECT
A_L 60
AUDIO
CONTROL
A_R 61
IC971
3.3V REG
IC972
3.3V REG
D901
RECT
T921
IC975
SW
5V REG
TRANSF.
IC973
12V REG
IC921 PC901 IC951
VOLTAGE ERROR
POWER
REG FEEDBACK AMP
(No.YA447)2-3 2-4(No.YA447)
MAIN PWB
ROUT 85
GOUT 86
BOUT 87
OSD/TEXT
INSERT
SVM 65
[AV-2986ME, AV-29MX76/G ]
PIP_SEL 75
IC301
PIP CONTROL
36,37
I 2 C
Vin/R2/Pr 70 9 V
Yin/G2/Y 72 8 Y D-A RGB
CONVERT MATRIX
Uin/R2/Pr 71 7 U
OVER
SAMPLE
6 SEL
DRAM
VDRA+, VDRB- 22, 23 41 VSP
SYNC
42
HSP
PROC. H/V
SCALER
67
HOUT
COLOUR
DEC.
20 CVSS2(Y)
64
A-D
CONVERT
BASS PWB
3 14 9 13 L_AOUT
IC601
IC671
BASS AMP AUDIO AMP
2 13 3 23 R_AOUT
3.3V
IC401
1, 7
5
Q983 V. OUT
Q984 1.8V
1.8V REG
Q522
Q981
H. OUT
Q982 1.8V
1.8V REG
3.3V_STB
5V
8V
FOCUS
12V
32V
T522
B1
SCREEN
L951
FBT
EHV
R
G IC351
V01
RGB OUT
B
Q208, Q209
VM OUT
VM COIL
CRT SOCKET
PWB
FRONT CONTROL
J801
PWB(2/2) HEADPHONE
SPEAKER L
SPEAKER R
V
DY01
DEF YOKE
H