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VOUT

T T T T T T T T

IIC DATA2 IIC CLK2 PROG ON H AV2 PIN8 H AV2 PIN8 M AV2 8 AV1 8 P50

R7402 0 R7401 0

IC7401 CODBZJG00004 (PQ12DZ1U) or CODBZJD00001 (PQ12DZ51)
GND VIN NC VC

SB:SUB POWER SECTION(Page:54) M:MAIN NET SECTION(Page:55) V:VIDEO MAIN SECTION(Page:56) A:AUDIO MAIN SECTION(Page:57) T:TIMER SECTION(Page:59) RF:RF I/F SECTION(Page:61)
TU7401 ENV54G01H6 1 BB NSW 5W LB7405 C7437 6V100 C7438 220P 2 GND R7432 100 3 MSDA 4 MSCL R7433 100

G
TO I/O TERMINAL (Page:63) PP7403 IIC CLK2 IIC DATA2 P50 AV1-8 AV2-8 AV2/PIN8 M AV2/PIN8 H PROG ON H PS 12V GND DECODER(R) GND DECODER(L) GND PS 5V BOOSTER+5V TUNER VIDEO 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 K7404 SB M M N SW 5V N SW 5.9V N SW 14.5V

1

2

3

4

5

5 RF C +B C7442 6V47 C7425 25V100 C7431 16V330 C7402 0.1 6 VOUT 5 GND 4 NR TL7402 C7413 0.1 R7426 220 11 SCL 12 SDA R7427 220 13 GND 14 BM+5V 15 SW1 OUT 16 BT REG30V C7441 0.01 LB7406 C7443 6V100 C7444 0.01 6 VIDEO IN 7 AUDIO IN

8 (AGC) 9 (BT) 10 GND

GND

VIN

K7405

1

2

VC

F

IC7404 CODBCHD00002 (PQ1K503M27P)
3

TL7401

SB

REG 12V C7404 16V47

R7440 5600

R7421 ERDS2TJ561T

R7434 ERDS2TJ561T

C7415 0.1

C7407 50V1

D7401 MAZ4300NMF R7414 680 C7405 0.1 C7406 6V470

17 IF OUT 18 IF IN

E
Q7402 2SB1218AOL
R7439 150 R7445 6800 R7446 2200 C7419 16V10 C7420 50V2.2 R7448 150K 8 P8 7 P7 6 P6 5 P5 R7456 150K R7415 0/150

19 SW1 IN K7402 20 SW2 IN 21 AUDIO OUT 22 SIF OUT LB7401 23 AFC-S R7447 150K C7417 0.01 C7418 16V47 24 VIDEO OUT 25 +B REG5V C7423 0.1 26 GND L7403 27 GND 28 -

D
K7403

C7424 6V100

R7451 150K P1 P2 P3 P4

IC7403 COABBB000108 (NJM4558M-T1)
1 2 3 4

29 30 31 32 -

QR7404 UNR521200L
T PWR SAVE H

K7401

C

R7452 150K C7422 50V2.2 R7455 0 R7457 150K R7449 6800 R7450 2200 C7421 16V10 C7410 2200P

33 34 35 -

M

UNREG 38V

V T T

TU VIDEO IN IIC CLK IIC DATA

MTS H MONO H

T T

T

A DEF AFC T

M

GND R7458 1800

B
Q7407 2SB1218AOL

JC2 REG 5V JC1 REG 5V

SB SB

R7459 100K

Q7408 2SD13280VL
LB7409 R7403 0

PK7301 1 2 3 4 5 6 7

QPSK GND(TUNER) TU AUDIO IN

SW 5V

A

Q7409 2SD13280VL

R7404 0

PK7302 1 2 3 4 5 6

IIC CLK IIC DATA DECODER(R) GND(TUNER) DECODER(L)

NOTE: DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.

DMR-E20EB/EG RF Inter Section(Main P.C.B.(6/6)) Schematic Diagram

MSD P.C.B.

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