Memorex MVDT2002SM Service Manual page 176

A B
8
FROM/TO REGULATOR
P.CON+5V
P.CON+8V
AT5.7VREG
8.5VREG
P.CON+5V_C
FROM DIGITAL COMB/FILTER
7
Y/C_VIDEO-Y
SW_C
FROM DVD IN/OUT
DVD_Y/C-Y
TO Y/C/AUDIO/HEAD AMP
V.SYNC
FROM/TO DEFLECTION
6
CP602 (CP602B)
W810
SCL
B2013H02-9P
V.OUT
1 V.OUT W819
SDA
TV_POWER_H
2 TV_POWER_H
AFC
3 AFC
ACL
4 ACL
5 NC
H.OUT
6 H.OUT
OSD_Y
P.CON+5V
7 P.CON+5V
EMERGENCY
8 EMERGENCY OSD_B
9 +B_DOWN
OSD_G
CD602
5
CU291701
OSD_R
L604
W5T29X7.5X19
H.SYNC
V.SYNC
TEST POINT
R623
CP601
VCR_POWER_H
A2001WR2-4P
3.3K 1/4W
1 GND
R632
SCL 5.0
TV_POWER_H
2 SCL
SDA
4.7K 1/4W
3 SDA
4
IIC_OFF
4 IIC_OFF
FROM TV POWER
MOTOR+12V
MOTOR_GND
GND
P.CON+5V_B
FROM/TO MICON
3
PROTECT
EMERGENCY
V.SYNC
H.SYNC
R634
VCR_POWER_H
IIC_OFF
1K
OSD_Y
OSD_B
OSD_G
OSD_R
SDA
2
SCL
H_CONTROL
TV_POWER_H
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
1
DURING PLAYBACK.
A B
G-15
C
CHROMA/IF SCHEMATIC DIAGRAM
CHROMA/IF_IC
IC601 NC NC
0 0 0
LA76319NM-MPB-E
48 47
0
5.0
5.0
CLMP
0
NC VIDEO
SW
5.0
NC
AUDIO
R630 5.0 SW
1K
3.3
BUS
3.3
3.3
LPF
0
NC
5.0
5.0
0
NC
2.53
NC
0 3.3
SW NC
Q606
0
0 2SC3052-T1
NC
1 2
0 2.2 0
NC NC
10V_REG IC
IC602
KIA78L09F-RTF/P
OUT GND
1 2
10.0 0 12.0
0
5.0
PROTECT
Q602
0 2SC3052-T1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(VCR PCB)
25
R625
22K
R620
4.7M
C628
NC
NC NC 2.6 NC NC 0.47 B
4.9 0 4.8 2.6 2.5 4.3 3.9 3.6 5.0 3.1 3.5 2.7
46 45 44 43 42 41 40 39 38 37 36 35 34 33
3.9
NC
0
REG
SW
2.7
C622
1
VXD APC1 FSC
2.5
CLMP
TINT
0
HOR
VCO 0
AF
BPF YC SN ACC CEMO
X-RAY
SW
1/256 1.7 R619
V/Y CL BS RGB COLOP
4.7K
TRAP
SHARP SG MATRIX HOR 5.1
SW CLAMP
C/D
0
DC REST CONTRAST SYNC FBP
ATT BRIGHT AFC1 NC
SEP
1.5 R616
VER AFC2
OSD OSD
330
SEP 2.6
CONTRAST SW
VER PHASE
5.2
C/D SHIFTER
ORIVE/OUT-OFF
VER HOR HOR
2.4
RAMP VCC OUT
CLMP
ABL/ACL
3.1
REG-SW
3.1
RST 5V/8V-REG
0
3 4 5 6 7 8 9 10 11 12 13 14 15 16
5.2 5.8 8.6 2.5 3.4 2.5 4.3 8.5 2.6 7.8 3.4 3.4 3.5
NC NC
NC NC
36
R608 35
L601 100uH 0305
4.7K
IN
R605
3
27K 1/4W
CAUTION: DIGITAL TRANSISTOR
D E
F G
34
B
C601
0.01 B
+-1%
C618
0.015 B
1/4W
C619 R615
1 B 4.7K
R613
100
C617
0.33 B
37
CAUTION: DIGITAL TRANSISTOR
F G
H
8
7
6
33
R622
DVD_Y/C-Y
390 1/4W
40
R618
AFC
5
220
H.OUT
39
P.CON+8V
1/2W
0 5.0
H_CONTROL
BUFFER
4.4
Q601
RT1N141C
5.0
4
4.4
9.0 SW
Q605
RT1P141C-T112-1
38
V.OUT
P.CON+5V_B
P.CON+8V 3
8.5VREG
ACL
Y/C_VIDEO-Y
MOTOR+12V
AT5.7VREG
TO CRT/OPERATION
CP603 (CP603B)
B2013H02-8P
C634
CD603
CUT_OFF 1
1 B
GND 2
CU284501
R.OUT 3
2
G.OUT 4
L603
B.OUT 5
CLAMP_OFF 6
W5T29X7.5X19
NC 7
NC 8
PCB010
DME069
1
H
G-16