Diagram (I) - Panasonic DMR-EH75VP Service Manual

DMR-EH75VP
13.19. I/O Tuner Section (4/4) (Main P.C.B.(4/4)) Schematic Diagram (I)
AD AE
TO
I/O TUNER SECTION
(2/4)
1
2
3
4
5
R4830 100K
6
R4831 220K
R4832 100K
7
8
1
C4834
R4840
2
16V220[M]
1K
9
11
12
13
6
AF AG AH AI AJ AK
LB7407
R7401
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
1
L7301
VWJ0795=5
FL7301
J0B4504AA026
1 3
1 3
1
R7310
R7311 1 2
2 0
1K
2
2
NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING.
THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE
SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
7
AM AN AO AQ
ERJ3GEY0R00V
1K[D]
1
1
C7401 IC7402
D7401
2
2 50V1 C0CBCDD00006
B0BA03000015
or MAZ4300NMF
VO VIN
NC NC
GND NC
1 2
50V
CN CONT
C7406
0.01
Q7401
2SB1218A0L
V:Video Section:(Page:
A:VHS Audio Section:(Page:
S:Syscon/Servo/Timer Section:(Page:
I:I/O Tuner Section:(Page:
8
88
AT AU AV AW AX AY
BT
LB7403
ERJ3GEY0R00V NC
1
IF OUT
C7421 C7422
2
6V47 0.01
SCL
2
1
SDA
AFTOUT
[US]
AUDIOOUT
C7423 1 2
0.01 SIFOUT
BTL+30VIN
LB7413
1 2
ERJ3GEY0R00V
NC
VIDEOOUT
TUN_V_IN1 V
1
2
R7415
1 2
680
2
1
3
C )
D )
E )
F
)
9
F
LOCATION MAP
1/4 2/4
3/4 4/4
DMR-EH75VP
I/O Tuner(4/4) Section
(Main P.C.B.(4/4))
Schematic Diagram(I)
10