Block Diagram - JVC AV-2956BE Service Manual

BLOCK DIAGRAM

SCL
SDA
TU001
TUNER
IF
2, 8 IC481 3, 6
ROTATION
ROTATION
COIL
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
MAIN PWB
(FRONT LED)
J806
V3
VIDEO
VIDEO-3
J807
L3
INPUT
AUDIO-L
REMOCON
(FRONT) J808
R3 RECEIVER
AUDIO-R
VOL+ VOL- CH+
S901
F901
AC IN
POWER SW
MAIN MICRO COMPUTER/TELETEXT DECODE/IF . VIDEO . RGB . SYNC . DEF. PROCESS
IC701
IC702
MAIN MEMORY
108,109
SCL1, SDA1
I 2 C
127,128 SCL0, SDA0
BUS
111
ROTATION
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
B3/PB
80
78
R3/PR
55 V2/Y
VIDEO
SELECT
58
Y1/CVBS
59
C1
51 V3
49
L1
50
R1
56 L2
57
R2
34 L3
35 R3
AUDIO
SELECT
48 V_OUT
L_OUT
36
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 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
AUDIO
CONTROL
A_R 61
IC972
3.3V REG
D901
RECT
T921
IC975
SW
5V REG
TRANSF.
IC973
12V REG
IC921 PC901 IC951
POWER VOLTAGE ERROR
REG FEEDBACK AMP
(No.YA466)2-3 2-4(No.YA466)
MAIN PWB
ROUT 85
86
GOUT
87
BOUT
OSD/TEXT
INSERT
SVM 65
VDRA+, VDRB-
22, 23
67
HOUT
9 13
IC601
AUDIO AMP
3 23
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
EHT
R
G
IC351
V01
B RGB OUT
1 10
IC201
VM OUT
VM COIL
CRT SOCKET
PWB
J809
HEADPHONE
SPEAKER L
L_AOUT
R_AOUT
SPEAKER R
V
V01
DEF YOKE
H