S-14
S3.6. Digital IF/Timer Block Diagram
T7701
DISPLAY HEATER
POWER SWITCHING
TRANSFORMAR
9
8
1
3
HEATER-
+B
+38V
UNREG.+38V
D7706
D7705
TO TU7801-
(BTL+30V)
3
-33V
1
2
IP7701
5
GND
6
7
(IC PROTECTOR)
Q7702
( L :ON)
X SW+12.5V
QR7701
( H :ON)
Q7710
( L :OFF)
45
PS9701 PP7501
12
9
FL _CS[L]
8
7 DIN
CLK
STB
PP7501
PP7501
PS9701
6
PS9701
4
D7502
DVD
D7504
D7503
VHS
QR7502
QR7504
QR7503
16
PP7501
PS9701
PP7501
PS9701
15
PS9701 PP7501
14
PS9701 PP7501
20
PS9701 PP7501
19
86
87
88
36
GR7
DP7501
1
45 F+
F
PP7501
1
PP7501
3
PS9701
PS9701
FL DRIVE P.C.B.
FL_CLK
DVD_SEL_LED
7
71
68
5
69
DUB_LED
FL_TXD
VHS_SEL_LED
KEY_IN1
KEY_IN2
KEY_IN3
74
PFAIL_L
1
2
3
AD +5V
IC 9701
(D-IF/TIMER MICROPROCESSOR)
IC 9703
SYS_PFAIL_H 73
3
2
1
IC 9702
D +3.3V
PP7501
PS9701
7
PP7501
11
94
95
(LPF)
X9701
X9702
10
11
13
15
32.768KHZ IN
LP3
LP4
32.768K-HZ OUT
XOUT10MHZ
XIN10MHZ
VHS_S_IN
7
1
VHS_S_OUT
2
VHS_S_CLK
6
VHS_S_OUT
8
100 VHS_S_IN
4
3
REMOCON
TO/FROM
FROM
DIGITAL IF P.C.B.
POWER SECTION
TO
SYSTEM CONTROL &
SERVO SECTION
TO
DIGITAL P.C.B.
POWER SECTION
SYSTEM CONTROL
& SERVO SECTION
12
4
3
2
IC9706
XRESET
+5V
22 FAN_PWM_OUT
X_SW12.5V
P9701
1
M
39 FAN_LOCK
SP_SAVE_L
FAN MOTOR
IC7501
(FL DRIVE)
Q9703,
Q9704
P9701
3
VHS_S_CLK
PS9701
PS9701 PP7501
10
DUB_LED
S7509
S7504
S7503
S7502
S7501
STOP
PLAY
REC
SELECT
OPEN/CLOSE
S7508
CH UP
S7506
CH DOWN
V2D
S7505
D2V
S7507
P9101
12
80 VHS_S_CS
P6001
VTR_CS
P9101
P6001
P9101
P6001
P9101
P6001
P9101
P6001
TO/FROM
BACK END P.C.B.
REMOCON
27
3
1
28 DIG S CLK
2
29 DIG S IN
30 DIG S OUT
DIG S CS
T CLK
T DATA
T CS
P7402
PS90002
P7402
PS90002
P7402
PS90002
4
6
5
P9104
P6004
P9104
P6004
P9104
P6004
RESET
FAN DC OUT
FAN LOCK
(5V DET)
(3.3V DET)
(FAN DRIVE)
FL _CS
PS9701 PP7501
8
30 VEE
VP
FL_CLK
FL DATA
PP7501
PS9701
18
X_SW5R8V
FL _6V
DVD_SEL_LED
DUB_LED
VHS_SEL_LED
9 DOUT
37
42
14
29
GR6
GR1
SG1
SG16
1GA,1GB
2G
2G
3G
3G
4G
4G
5G
5G
6G
6G
7G
7G
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
41,38,35,
11,8,5
AD5V
Q7502
I2C5DT
36
5
SDA
P9703
38
6
SCL
P59001
I2C5CK
P9703
P59001
17
P9101
P6001
16
P9101
P6001
TO/FROM
DIGITAL P.C.B.
IC9705
(EEPROM)
- Cylinder PG Adjustment data
33
31
29
27
26
23
22
20
18
16
14
12
34
32
30
28
25
24
21
19
17
15
13
10
9
7
6
4
DIGITAL IF P.C.B.
MAIN P.C.B.
S_P_SAVE_L
MAINP.C.B.
IC6001 6
MAINP.C.B.
IC6001 5
47
DI_P_ON_H
DI_PON_H
44
VCC13.3V
X_SW5R8V L
16
DMR-EZ49VEG/EC/EB
DigitalL IF / Timer
Block Diagram
49
SP PSAVE L DL
Summary of Contents for DMR-EZ49VEB
Page 5: ...5 2 2 Precaution of Laser Diode ...
Page 7: ...7 3 Service Navigation 3 1 Service Information 3 2 Caution for DivX except DMR EZ49VEB ...
Page 10: ...10 4 Specifications ...
Page 11: ...11 ...
Page 13: ...13 ...
Page 35: ...35 9 2 P C B Positions ...
Page 46: ...46 10 1 2 Checking and Repairing of Main P C B ...
Page 47: ...47 10 1 3 Checking and Repairing of RAM Digital P C B Module ...
Page 75: ...S 23 ...
Page 91: ...S 39 ...
Page 126: ...S 74 ...