JVC GR-AXM236U Service Manual page 128

4.27 MONITOR SYSTEM BLOCK DIAGRAM
FROM REG CN16 CN7601
REG_4.8V
REG_4.8V 5 5
REG_4.8V
6 6
FROM CPU
LCD_CTL
LCD_CTL 4 4
5
FROM CPU
DSP_REST
DSP_REST 18 18
4
FROM DSP
HDCVF
HDCVF 15 15
VDCVF
VDCVF 16 16
3
FROM CPU
RVS_SW
REV_SW 25 25
HRP1
HRP1 17 17
TO DSP
FROM DSP
ROUT
GOUT
2
BOUT
1
0 1 MAIN
A B
T7501 T7501
2 6
F7501 F7501
3
4
CFL
Q7503 Q7503 Q7501 Q7501
10
Q7504 Q7504 Q7502 Q7502
1
CTL CTL OSC OSC
REG_3.2V
IC7602
R7607
L7605 5
7
6
C7617
R7612
36 34 33 31 30 29 28 27 26
37
VCO
38
39 RESET
40
COUNTER V.SYNC
MODE SEL
IC7601
PHASE
COMP
QVD POL
EQ
SEL CTL
PULSE
CANCEL
48
LT
1 2 3 4 5 6 7 8 12
∗∗
NC
TP7601 NC NC
REG
_3.2V
SW
Q7607
Q7011
BUF&SW
LCD (DAC_3.2V)
Q7003
BUF&SW
CVF
C D 4-59
NOTE)
∗
: FOR 2.5inch MONITOR
∗ ∗
: FOR 3.5inch MONITOR
REG+12V
REG_15V
REG_3.2V
MREG_4.8V
VSS(REG_-15V)
CLK1
RL
CLK2
STV2
CLK3
25
STH2 24 STH2
STH1 23 STH1
22 Q2H
QH
∗
IC7603
H.SYNC
21 2 4 OEH
OEH
STV1 20 STV1
OEV2 18 OEV
FIELD
17
DET
NC
CPV 16 CPV
ZOOM
CORRECT
∗
REG_15V
∗∗
REG_12V
INT/EXT 15
IC7602
R7604
C7609
Q7601-Q7604
POL 14 2
1
-
UD 13 3 AMP
R7601,R7602
+ +
R7605
Q7606
SW
R
G
B
CN7601
10 12 14
JIG CONN.
10 12 14 18 17 16 3
CN16 CN25
Q7013
BUF&SW
Q7015
BUF&SW
CVF_G
Q7001
CVF_R
BUF&SW
Q7005
CVF_B
BUF&SW
FROM/TO
DSP
FROM BW/CVF
FROM CPU
FROM DSP
4-60 E
LCD MONITOR
0 7 MONITOR
∗∗
L7603
CN7602
∗
L7604 VGH
9 9
L7601 VDD
8 8
VEE
11 11
VSS
2 2
CLK1
21 21
RL
13 13
CLK2
20 20
STV2
7 7
CLK3
19 19
STH2
12 12
STH1
24 24
Q2H
22 22 LCD MODULE
OEH
23 23
STV1
3 3
OEV
6 6
CPV
5 5
REG_3.2V
R7645
C7622
VCOM
10 10
R7646
VGL
1 1
UD
4 4
R
15 15
G
16 16
B
17 17
0 6 C-VF BL
TO BW/CVF
CN11
VF_BLK
20
VF_BLK 6
5
REG_4.8V
REG_4.8V 19 3
2
1
0 6 C-VF
FROM LCD/CVF CN7701
VF_COM
VF_COM 18 18
CVF_G
17 17
CVF_R
16 16
CVF_B
15 15
REG+12V
REG+12V 14 14
REG_3.2V
REG_3.2V 13 13
HDCVF
HDCVF 9 9
VDCVF
VDCVF 8 8
HRP2
HRP2 7 7
VF_RPD
6 6
CVF_CS
5 5
CVD_CS
CVF_SCK3
CVF_SCK3 4 4
CVF_SO3
CVF_SO3 3 3
SI3
SI3 2 2
BWYGAIN
BWYGAIN 1 1
F G
( Sanwa ) -M2C723/C845
OPEN
CN7702
COM
16
GREEN
15
RED
14
BULE
13
HCK1
11
HCK2
10
HST LCD
9
RGT MODULE
8
DWN
7
EN
6
STB
5
VCK
4
VST
3
VDD
1
H
GR-SXM340U/SXM740U