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IR7501
REMOTE CONTROL RECEIVER VDD GND CTL. 3 2 1

IC7501
(TIMER)

MAIN P.C.B.
POWER SAVE H 78 P SAVE H QR7508 ( H :ON) IR 2 REMOTE CTL. X SW+12.4V Q7510 ( L :OFF) IP7501 (IC PROTECTOR) 1 2

T7501 DISPLAY HEATER POWER SWITCHING TRANSFORMER D7506 7

9 1

HEATER+ +B

+38V

UNREG.+38V

PP7401 PS7801 3

TO U/V TUNER ( 16 BTL+30V)

IC7506
(RESET)

3 8 HEATER-

GND -33V

6 D7505 5 DP7501

D+3.3V

2 VDD

OUT 1 PWR SAVE H QR7401- B TO POWER SUPPLY SECTION

81 SYS PFAIL H

IC7505
(RESET)

QR7506 ( H :ON) OUT 1 80 PFAIL L RESET L 11

1 F+ 47 F-

IC7502
(RESET)

X SW+5.2V

2 VDD

IC7504
4 VDD 5 X SW+5.2V (DISPLAY DRIVE) 8 VCC1 18 VCC2 VP 64 SEG00 44 SEG25 19 SEG26 17 SEG35 45 SEG39 49 FL RESET L 93 FL CS 94 1 RESET 2 CS 5 VSS DIG00 63 DIG07 56 12 8G 4 1G 5 2G 7 3G 13 P1 44 P32 TIMER DISPLAY

S7504 OPEN/CLOSE KEY IN1 101 KEY IN1

FL TXD 4 FL RXD 5 FL CLK 6

4 S DATA 3 SCK

S7506 STOP

S7508 REC

S7502 CH-DOWN KEY IN2 102 KEY IN2

IC7301
(NICAM/A2) IIC CLK 28 IIC CLK IIC DATA PK7702 PK7302 1 PK7702 PK7302 2 29 SCL 30 SDA

S7501 EXT LINK

S7507 PLAY

S7503 CH-UP KEY IN3 104 KEY IN3

IIC DATA 29

IC7503
(EEPROM) XCIN 9 X7502 32.768KHz XCOUT 10 6 SCL 5 SDA


1.Country & Language 2.Tuner preset 3.Timer REC info. 4.ROM Correction info.
TU7801 U/V TUNER

S7001 POWER P7001 3 P7506 XOUT 12 X7501 10MHz XIN 14

IC3001
(A/V PROCESSOR) 88 SCL 89 SDA PP7401 PS7801 8 11 SCL PP7401 PS7801 7 12 SDA

FRONT(L) P.C.B.

XTMUTE 63 SYNC IN 109

Q7503 BUFFER Q7501

XT MUTE QR4002- B

SLICER VIDEO IC3001- 85

TO/FROM ANALOG A/V SECTION

CVIN1 113

BUFFER

DR POWER ON H 49 DI POWER ON H 51 JC POWER ON H 50

DR P ON H P1501- 15 DIP ON H P1501- 11 JC P ON H IC1510- 2

TO POWER SUPPLY SECTION

TBUS CLK 44 TBUS TXD 42 TBUS RXD 43

G SCLK A G SBPTM A G SBMTP A

SCLK P7402- 6 SBPTM P7402- 10 SBMTP P7402- 12

TO/FROM DIGITAL P.C.B.

DMR-ES20EG/EP/EE Timer Block Diagram