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53

Pin No.

Pin Name

I/O

Description

1

SDOS

I

Data source select terminal    “L”: internal ADC output    “H”: DAUX input                             

2

I2C

I

Control mode select terminal    “L”: 3-wire serial    “H”: I2C bus                                               

3

SMUTE

I

Soft mute signal input from the system controller (IC1201)

4

BCLK

I

Audio serial data clock signal input from the digital audio interface receiver (IC1101)

5

LRCK

I

Input channel clock signal input from the digital audio interface receiver (IC1101)

6

SDT1

I

DAC1 audio serial data input from the audio DSP (IC1401)

7

SDT2

I

DAC2 audio serial data input from the audio DSP (IC1401)

8

SDT3

I

DAC3 audio serial data input from the audio DSP (IC1401)

9

SDTO

O

audio serial data output to the dolby digital audio decoder (IC1301)

10

DAUX

I

Audio serial data input terminal    Not used (fixed at “L”)

11

DFS

I

Double speed sampling mode signal input from the system controller (IC1201)                         
“L”: normal speed    “H”: double speed

12, 13

DEM1, DEM0

I

De-emphasis signal input terminal    Not used (fixed at “L”)

14

TVDD

—

Power supply terminal (+5V) (for output buffer )

15

D5V

—

Power supply terminal (+5V) (digital system)

16

DGND

—

Ground terminal (digital system)

17

PD

I

Power down and reset signal input terminal    “L”: power down and reset

18

ICKS2

I

Clock select 2 input terminal (fixed at “L” in this set)

19

ICKS1

I

Clock select 1 input terminal (fixed at “H” in this set)

20

ICKS0

I

Clock select 0 input terminal (fixed at “H” in this set)

21

CAD1

I

Chip address 1 input terminal    Used during the serial control mode (fixed at “L” in this set)

22

CAD0

I

Chip address 0 input terminal    Used during the serial control mode (fixed at “L” in this set)

23

LOUT3

O

L-ch 3 analog output to the select switch (IC1502)

24

ROUT3

O

R-ch 3 analog output to the select switch (IC1502)

25

LOUT2

O

L-ch 2 analog output to the select switch (IC1502)

26

ROUT2

O

R-ch 2 analog output to the select switch (IC1502)

27

LOUT1

O

L-ch 1 analog output to the select switch (IC1502)

28

ROUT1

O

R-ch 1 analog output to the select switch (IC1502)

29

LIN–

I

L-ch analog negative input from the line amp (IC1504)

30

LIN+

I

L-ch analog positive input from the line amp (IC1504)

31

RIN–

I

R-ch analog negative input from the line amp (IC1504)

32

RIN+

I

R-ch analog positive input from the line amp (IC1504)

33

DZF2

O

Zero input detect 2 terminal     Not used (open)

34

VCOM

O

Common voltage output terminal                                                                                                  
Large external capacitor is used to reduce power supply noise

35

VREFH

I

Positive voltage reference input terminal (+5V)

36

A5V

—

Power supply terminal (+5V) (analog system)

37

AGND

—

Ground terminal (analog system)

38

DZF1

O

Zero input detect 1 terminal     Not used (open)

39

MCLKI

I

Master clock input from the digital audio interface receiver (IC1101)

40

S/P

I

Parallel or serial select terminal    “L”: serial control mode (fixed at “L” in this set)

41

CS

I

Chip select signal input from the system controller (IC1201)

42

CCLK

I

Clock signal input from the system controller (IC1201)

43

CDTI

I

Control signal output to the system controller (IC1201)

44

LOOP1

O

Loop back mode 1 signal output terminal (fixed at “L” in this set)

54

Pin No.

Pin Name

I/O

Description

1

EQ

O

EQUALIZER indicator (D123) drive signal output terminal    “L”:  on

2

SUR

O

SURROUND indicator (D122) drive signal output terminal    “L”:  on

3

LEVEL

O

LEVEL indicator (D119) drive signal output terminal    “L”:  on

4

NAME

O

NAME indicator (D151) drive signal output terminal    “L”:  on

5

SETUP

O

SET UP indicator (D152) drive signal output terminal    “L”:  on

6

VOLUME

O

VOLUME indicator drive signal output terminal    “L”:  on    Not used (open)

7

MUTING

O

MUTING indicator (D101) drive signal output terminal    “L”:  on

8

JOG

O

JOG indicator (D124) drive signal output terminal    “L”:  on

9

VOLUP

O

Motor drive signal (volume up direction) output to the volume motor drive (IC105)

10

VOLDOWN

O

Motor drive signal (volume down direction) output to the volume motor drive (IC105)

11

VSS

—

Ground terminal

12

5V CHECK

O

Power check terminal

13

POWER RY

O

Power relay drive signal output terminal     “H”:  on

14 to 17

NC

—

Not used (fixed at “L”)

18

SIRCS IN

I

SIRCS input from the remote control receiver (IC101)

19

SOT0

O

Serial data output to the system controller (IC1201) (rewrite flash memory)

20

SIN0

I

Serial data input from the system controller (IC1201) (rewrite flash memory)

21

FL CLK

O

Clock signal output to the fluorescent display tube

22

FL DATA

O

Serial data output to the fluorescent display tube

23

VCC

—

Power supply terminal (+5V)

24

FL LAT

O

Latch signal output to the FL display driver (IC103)

25

FL CLEAR

O

Clear signal output to the FL display driver (IC103)

26

OSD CLK

O

OSD clock signal output to the select switch (IC2004) (used for STR-DE945 only)

27

C

—

External power regulator capacitor is connected to this terminal

28

OSD DOUT

O

OSD serial data output to the select switch (IC2004) (used for STR-DE945 only)

29 to 33

NC

—

Not used (fixed at “L”)

34

AVCC

—

Power supply terminal (+5V) (analog system)

35

AVRH

—

Connected to power supply

36

AVRL

—

Connected to ground

37

AVSS

—

Ground terminal (analog system)

38

AD KEY IN 1

I

Key input terminal (A/D input) (S111 to 118) 

39

AD KEY IN 2

I

Key input terminal (A/D input) (S121 to 125) 

40

AD KEY IN 3

I

Key input terminal (A/D input) (S131 to 137) 

41

AD KEY IN 4

I

Key input terminal (A/D input) (S141 to 149) 

42

VSS

—

Ground terminal

43

AD KEY IN 5

I

Key input terminal (A/D input) (S151 to 157) 

44

AD KEY IN 6

I

Key input terminal (A/D input) (S161 to 165) 

45

AD KEY IN 7

I

Key input terminal    Not used (fixed at “L”)

46

RDS SIGNAL

I

RDS control signal input terminal    Not used (fixed at “L”)

47

STOP

I

Stop signal input from the power control (IC1206)

48

NC

—

Not used (fixed at “L”)

49

MD0

I

MD 0 signal input from the system controller (IC1201)

50

MD1

I

MD 1 signal input terminal (fixed at “H” in this set)

51

MD2

I

MD 2 signal input from the system controller (IC1201)

52

HSTX

I

Hardware standby signal input to the power control (IC1206)

55

Pin No.

Pin Name

I/O

Description

53

RDS CLOCK

I

RDS clock signal input terminal    Not used (fixed at “L”)

54

RDS DATA

I

RDS data input terminal    Not used (fixed at “L”)

55

OSD VSYNC

O

Video sync signal output to the video switch (IC2005) (used for STR-DE945 only)

56

OSD VBLK

O

Video clock signal output to the video switch (IC2005) (used for STR-DE945 only)

57

NC

—

Not used (fixed at “L”)

58

U-RESET

O

Reset signal output to the system controller (IC1201)

59

U-SREQ

I

Slave request signal and data input from the system controller (IC1201)

60

U-MREQ

O

Master request signal output to the system controller (IC1201)

61

U-DATA

O

Master data output to the system controller (IC1201)

62

U-CLOCK

O

Master clock signal output to the system controller (IC1201)

63

AUBUS-IN

I

Audio bus input terminal

64

SP-A

I

Speaker A select signal input terminal

65

SP-B

I

Speaker B select signal input terminal

66

POWER-KEY IN

I

Power switch (S150) input terminal    “L” is input when this key pressing

67

AUBUS-OUT

O

Audio bus output terminal

68

VERSION IN 1

I

Setting terminal for version 1 input

69

VERSION IN 2

I

Setting terminal for version 2 input

70

VERSION IN 3

I

Setting terminal for version 3 input

71

VERSION IN 4

I

Setting terminal for version 4 input

72

VERSION IN 5

I

Setting terminal for version 5 input

73

VERSION OUT 1

O

Setting terminal for version 1 output

74

VERSION OUT 2

O

Setting terminal for version 2 output

75

JOG-UP

O

Function encoder up input terminal (RV101)

76

JOG-DOWN

O

Function encoder down input terminal (RV101)

77

RESET

O

Reset signal input from the power control (IC1206)

78 to 80

NC

—

Not used (fixed at “L”)

81

VSS

—

Ground terminal

82

XO

O

System clock output terminal (16MHz)

83

XI

I

System clock input terminal (16MHz)

84

VCC

—

Power supply terminal (+5V)

85, 86

NC

—

Not used (fixed at “L”)

87

LED CLK

I

LED clock signal input from the LED drive (IC106)

88

LED DATA

I

LED data input from the LED drive (IC106)

89

LED CE

I

LED chip enable signal input from the LED drive (IC106)

90

LED CLR

I

LED clear signal input from the LED drive (IC106)

91, 92

NC

—

Not used (fixed at “L”)

93

MBUS-V1

I

V1 (M BUS) control signal input from the video select switch (IC253)

94

MBUS-DVD

I

DVD (M BUS) control signal input from the video select switch (IC253)

95

MBUS-TV

I

TV (M BUS) control signal input from the video select switch (IC253)

96

MBUS-STATUS

I

STATUS (M BUS) control signal input from the video select switch (IC253)

97

2WAY

O

Control A1 on/off control for signal output to the SIRCS driver (IC12)
(used for STR-DE945 only)

98

LAT

O

Learning microprocessor latch signal output to the SIRCS driver (IC12)
(used for STR-DE945 only)

99

RESET

O

Reset signal output to the SIRCS driver (IC12) (used for STR-DE945 only)

100

OSD LAY

O

Video latch signal output to the video switch (IC2004) (used for STR-DE945 only)

56

Les composants identifiés par une
marque 0 sont critiquens pour la
sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.

The components identified by
mark 0 or dotted line with mark

0 are critical for safety.
Replace only with part number
specified.

• Items marked “*” are not stocked since they

are seldom required for routine service. Some
delay should be anticipated when ordering
these items.

• The mechanical parts with no reference num-

ber in the exploded views are not supplied.

• Hardware (# mark) list and accessories and

packing materials are given in the last of the
electrical parts list.

NOTE:

• -XX and -X mean standardized parts, so they

may have some difference from the original
one.

• Color Indication of Appearance Parts

Example:
KNOB, BALANCE (WHITE) . . . (RED)

↑

↑

Parts Color Cabinet's Color

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

A

A

1

X-4951-035-1 KNOB (VOL) ASSY (BLACK)

 (US, CND, E, AUS, PX)

1

X-4951-269-1 KNOB (VOL) ASSY (GOLD) (MY, SP, CH)

2

3-350-426-01 SPRING, RING

3

4-226-799-01 KNOB (JOG) (BLACK) (US, CND, E, AUS, PX)

3

4-226-799-11 KNOB (JOG) (GOLD) (MY, SP, CH)

4

4-977-358-11 CUSHION

5

1-773-054-11 WIRE (FLAT TYPE) (17 CORE)

 (E, AUS, CH, PX)

5

1-773-160-11 WIRE (FLAT TYPE) (21 CORE) (US, CND)

(260mm)

6

4-957-383-01 KNOB (F14) (BLACK) (US, CND, E, AUS)

6

4-957-383-11 KNOB (F14) (GOLD) (MY, SP, CH)

7

1-769-888-11 WIRE (FLAT TYPE) (7 CORE) (DE945)

8

X-4952-754-1 PANEL ASSY, FRONT (DE945)

8

X-4952-755-1 PANEL ASSY, FRONT (BLACK)

(845: US, CND, E, AUS, PX)

8

X-4952-756-1 PANEL ASSY, FRONT (GOLD) (MY, SP, CH)

* 9

1-690-880-31 LEAD (WITH CONNECTOR)

10

1-676-999-11 POWER BOARD

11

4-951-620-01 SCREW (2.6X8), +BVTP

12

4-210-291-01 SCREW (CASE 3 TP2) (BLACK)

 (EXCEPT MY, SP, CH)

12

4-210-291-11 SCREW (CASE 3 TP2) (GOLD) (MY, SP, CH)

* 13

4-229-547-01 CASE (414532) (GOLD) (MY, SP, CH)

* 13

4-979-945-01 CASE (414532) (BLACK) (E, AUS, PX)

* 13

4-982-682-01 CASE (414532) (US, CND)

14

A-4428-772-A DISPLAY BOARD, COMPLETE (845: US, CND)

14

A-4428-796-A DISPLAY BOARD, COMPLETE

 (MY, SP, AUS, CH)

14

A-4428-804-A DISPLAY BOARD, COMPLETE (E, PX)

14

A-4428-814-A DISPLAY BOARD, COMPLETE (DE945)

* 15

4-979-946-01 PLATE (432), BOTTOM

16

1-677-041-11 ROTARY BOARD

* 17

4-955-901-01 CUSHION (FL)

* 18

4-990-797-01 HOLDER (FL)

20

1-677-000-11 MUTING BOARD

21

1-677-001-11 VOL BOARD

FL101

1-517-781-21 INDICATOR, FLUORESCENT