Clarion MAX668RVD Service Manual page 33

CIRCUIT DIAGRAM
LCD PWB(B4) section 1/4
[ Signal processor ]
* Voltage measurement mode: TUNER
To 4/4
DC/DC
+7.5V
POWER
+15.0V
DIMMER
-17.0V
J700
0V FL-GND +5.3V
1 FL-GND
2
FL-GND
3
FL-GND
4 FL-GND
5
FL-GND
13.3V
FL+B
6 FL+B
7
FL+B
8
FL+B
9 FL+B
13.4V
LCD+B
10
LCD+B
IC700-1,2
11
LCD+B
8.0V
0V LCD-GND
12 LCD-G
0V
13
LCD-G
IC700-3
14 LCD-G
8.0V
15
LCD-G 0V
9.2V
16 ILL+9V IC700-5,6
17
ILL+9V
3.0V
0V
18
ILL-G
IC700-7
19 ILL-G
4.9V
20
REM+5V 8.0V
21
REM+5V
3.8V
22 IR
0V
23
D-GND
24 D-GND
5.2V
25
DIMMER
3.5V
26 POWER
3.5V
27
OP/CL
0V TP-REQ
28
TP-REQ
TP-RESET
29 TP-RES
4.8V
TP-M
4.8V
30
TP-M
M-TP
4.8V
31
M-TP
0V
* Visual mode 32 V-GND
1.0V
33
VIDEO
0V
34 C-SYNC
* Visual mode
0V
35
1.0V V-GND
1.1V
R
36
R
* 10Step Disp.
G
37 G
0.7V
B
1.1V
38
B
39
5.1V H-SYNC
0V 40 V-SYNC
3.1V
41
YS
0V
42 LED
To J460 of Main PWB
F
(Page 32)
To 3/4
TP
OPEN/CLOSE
POWER
LED
IR
ILL+9V
ILL-GND
REM+5V
D-GND
BRIGHT
V-MUTE
COLOR
CLAMP
HUE
N/P
L:VTR/DVD
TP700
H:TV/RGB
R704 2.7K (F) R715 10K (F)
R718 100
R724
R714
R703
2.2K
10K (F)
C712
0.1 (F)
C
14 13 12 11 10 9 8
C707
O - + V- + - O
10 16V TAN
IC700
NJM2060V
O - + V+ + - O VCOM-AC
1 2 3 4 5 6 7
VR701
R721
10K 22KB
R713 2.2K C711 10 16V TAN
0V
R707
10
VR700
R705
R709
0V
2.0K
2.2KB 9.1K
VCOM-DC
IC702-40,41,42
0.7V
1.1V
*at 10Step Disp
RGB-ON
L:VIDEO 0V
C710
IC701
H:RGB
5.3V 220
SN74AHCT1
16V
G32DCKR
5.3V
5 4
C708
3.3 50V
TP702
R722
1 2 3
330K
TP701
R712
4.7K
V-MUTE
R711
1K
VIDEO
R710
5.6K
R719
39K (F)
- 33 -
7.5V
15.0V
-17V
5.3V
VSY
HSY
10K
TP705
VCOM
L701
33u
Q704
CONT 2SC4081
2.8
TP707
IC702-36 TP706
1.0V
Q702
2.1V
RN2302
*at Visual mode
IC702-38 R737 560K
R736
1.9V
560
3.0V
C
C724
4.7
36 35 34
16V COM-
(043)
2.3V
ADJ
37
COM
38
CCT700 470x4
SW
39
C721 0.01
B
C
40 B-IN
C720 0.01
G
C G-IN
41
C719 0.01
R
C
42 R-IN
5.2V
43 VCC1
R731 18K (F)
C709 1.0
1.3V
F-ADJ
44
2.7V
45 CLAMP
3.3V
46 AGC-FIL
R733
3.2V
R727 R728
330K 47 AGC-OUT
2.2K 27K
2.6V
48
PICTURE
TRAP
1 2 3
TP703
C713
10
16V
Q705
TP704
UM5211
Q701 Q703
UM5211 UM5211
MAX668RVD
TP711 TP713 TP709 TP710
VSY
HSY
FRPV
COM-FRP
VR706 R751
100
4.7KB
SYNC
2 2 2 2.2
2.9V
33 32 31 30 29 28 27 26 25
24
B-OUT
7.4V
23
VCC2
C743 1.0
2.9V
G-DC-DET C
22
G-OUT 21
IC702
C742 1.0
2.9V
R-DC-DET C
IR3Y29BM 20
IC702-19,21,24
R-OUT 19
0V
GND2 18
3.8V 4.0V
0V
GND1
17 C749
0.5V
0.47
3.2V
VCO-OUT 16
50V
* at 10Step Disp
2.7V
APC-FIL
15
4.4V
C
14
VCO-IN C750
3.2V
C
13
0.1
TINT
4 5 6 7 8 9 10 11 12
4 3
5 6
R746
6.8K
X701
3.579545MHz
X700
4.433618M
Q706
2SA1738
R747
1.5K
To 2/4
+15.0V
-17.0V
+5.3V
GND
COM
VSY
HSY
FRP
COM
-FRP
SYNC
R
G
B
VCS
IC702-35
5.2V
0V
IC702-34
5.2V
0V
IC702-32,33
5.2V
0V
C752 1.0
C
TP717 (B)
R761 100
TP716 (G)
R760 100
TP715 (R)
R759 100
R763 5.6K
R762 8.2K
C751 0.01
2 1
TM802
EARTH PLATE
7 8
C
C755 2p
C
C754 2p