S3.6. Digital If/Timer Block Diagram - Panasonic DMR-EZ49VEG Service Manual

S3.6. Digital IF/Timer Block Diagram

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