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:REC SIGNAL

:PB SIGNAL
JK3001 REAR JACK

MAIN P.C.B.
D4005 Q4006 MUTE QR4002 (AUDIO MUTE DRIVE) FROM TIMER SECTION XTMUTE IC7501- 65 D4006 Q54401, Q4060 XDMUTE DRIVE Q4007 MUTE Q4009 MUTE Q4008 XDMUTE IC54402- 16 MUTE DMR-EH57EE MIX R OUT2 MIX L OUT2

16 17 18 19 20 21

LINE OUT (L) OUT LINE OUT (R)

FROM DIGITAL P.C.B.

IC3001
(AUDIO SIGNAL PROCESSOR) (SA1R)

DMR-EH57EC/EP, EH575EG

IC4009
(BUFFER) P59001 P7402 41 P59001 P7402 39 MIX R OUT DM MIX L OUT DM 2 6 1 7 56 64 DAC Rch DAC Lch a b c d e OUTPUT SELECT SWITCH (SA4R) a b c d BUFF. LPF MUTE AV1 Rch 72 AUDIO OUT Ch2(R) JK3901 21 PIN JACK 1 AV1 (TV) AUDIO OUT Ch1(L) 3

FROM DIGITAL P.C.B.

AV1 (TV)

JK3901 21 PIN JACK AUDIO IN ch2(R) 2 6 2 6 AUDIO IN ch1(L) AUDIO IN ch2(R) AUDIO IN ch1(L)

(SA3R) 52 60 53 61 AV1 Rch AV1 Lch AV2 Rch AV2 Lch (SA18R) AV4 BUFF. (SA2R) a b c d e a b c d e

AGC

ADC Rch AMP

ADC Rch

79

AV2 (DECODER/EXT)

BUFF. LPF MUTE AV2 Rch 74 AUDIO OUT Ch2(R) 1 AV2 (DECEODER/EXT) AUDIO OUT Ch1(L) 3

JK3801 FRONT INPUT JACK 3 2 1 5 4 50 AV3 Rch

TUN

LINE (Rch) AV3 (FRONT) AUDIO LINE (Lch/MONO)

58

AV3 Lch

(SA2L) a b c d e OUTPUT SELECT SWITCH (SA4L) a b c d BUFF. LPF MUTE AV2 Lch 73

(EE) only
JK3001 REAR JACK AV4 R IN AUDIO AV4 L IN 17 18 59 20 21 AV4 L IN 51 AV4 R IN AADC R P7402 31 P59001 TO DIGITAL P.C.B. P59001 29 (SA3L) a b c d e

AV4 (REAR)

AGC

(SA18L) AV4 TUN BUFF.

ADC Lch AMP

ADC Lch

78

AADC L

P7402

(SA1L) a b c d e BUFF. LPF MUTE AV1 Lch 71

DMR-EH57EE/EP, EH575EG

DMR-EH57EC

IC7301
TU7802 U/V TUNER SIF OUT 7 TU7801 U/V TUNER AUDIO 7 OUT (NICAM/A2) MONO 38 IN R OUT 2 TUN Rch SCL SIF OUT 6 25 SIF L OUT 1 62 TUN Lch IIC BUS LOGIC SDA

54

88 89

IIC CLK IC7501- 29 IIC DATA IC7501- 30

FROM TIMER SECTION

5V 2.3V 1.0V

IC4901 OPTICAL (DIGITAL AUDIO OUT)

FROM DIGITAL P.C.B.

P59001 P7402 44

IEC OUT

1

DMR-EH57EC/EP/EE,EH575EG Analog Audio Block Diagram