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– 31 –

36

LM LOD

O

Loading/tape operation motor control signal output to the LB1638M (IC361)
(For the loading direction and forward side operation)    *1

37

LM EJ

O

Loading/tape operation motor control signal output to the LB1638M (IC361)
(For the eject direction and reverse side operation)    *1

38

N/R OUT

O

Forward/reverse direction control signal output to the CXA2510Q (IC301)
“L: forward direction, “H”: reverse direction

39

P.ON

O

Polar stereo detection signal output terminal    “H”: polar stereo    Not used (open)

40

CM ON

O

Capstan/reel motor (M901) drive signal output terminal    “H”: motor on

41

TAPEON

O

Tape system power supply on/off control signal output terminal    “H”: tape on

42

COLSEL

I

Setting terminal for the illumination color    “L”: amber, “H”: green (fixed at “H”)

43

RC IN1

I

Rotary remote commander shift key A/D input terminal

44

TEST

I

Setting terminal for the test mode    “L”: test mode (normally fixed at “H”)

45

ILL ON

O

46

BEEP

O

Beep sound output terminal

47

MUT

O

Line muting control signal output terminal    “H”: line muting on

48

VOLCE

O

Chip enable signal output to the electrical volume (IC161)

49

SUBCE

O

Chip enable signal output terminal    Not used in this set (open)

50

VOLCKO

O

Serial data transfer clock signal output to the electrical volume (IC161)

51

SUBCKO

O

Serial data transfer clock signal output terminal    Not used in this set (open)

52

VOLSO

O

Serial data output to the electrical volume (IC161)

53

TAPMUT

O

Tape muting on/off control signal output to the CXA2510Q (IC301)    “H”: tape muting on

54

DOLON

I/O

55

DOLBC

I/O

56

AMSIN

I

Whether a music is present or not from CXA2510Q (IC301) is detected at auto music sensor
“L”: music is present, “H”: music is not present

57

MTLSEL

I/O

58

AD ON

O

Power supply on/off control signal output for the A/D converter    “L”: power on

59

RAMBU

I

60

RESET

I

System reset signal input from the reset signal generator (IC652)
“L” is input for several 100 msec after power on, then it changes to “H”

61

SIRCS

I

Sircs signal input from the remote control receiver (IC902)

62

BU IN

I

Battery detect signal input terminal    “H”: battery on

63

PW SEL

I

Power select switch (S501) input terminal    “L”: off (halt mode), “H”: on (operation mode)

64

ACCIN

I

Accessory detect signal input terminal    “L”: accessory on

65

NOSESW

I

Detects the removal of the attaching and removing type front panel block    “L”: attaching

Internal RAM reset detection signal input from the RN5VD23AA (IC651)
Input terminal to check that RAM data are not destroyed due to low voltage
This checking is made within 100 msec after reset

Power supply on/off control signal output terminal at the illumination and liquid crystal display
driver (IC901)    “H”: power on
At power select switch (S501) on mode: “H” output at the accessory on
At power select switch (S501) off mode: “H” output at the power on

Dolby control in/out terminal
At initial mode: valid/invalid selection input of dolby function (“L” input: valid)
At normal mode: dolby on/off control signal output to the CXA2510Q (IC301)
“H”: dolby on

Dolby B/C selection control in/out terminal
At initial mode: dolby B only/dolby B and C type selection input (“L” input: dolby B and C)
At normal mode: dolby type selection signal output    “L”: dolby B, “H”: dolby C
Not used this function (fixed at “H”)

METAL control in/out terminal
At initial mode: auto/manual mode selection input of METAL function    “L”: manual mode
At manual mode: METAL on/off control signal output to the CXA2510Q (IC301)
“H”: METAL on
At auto mode: input at MTLIN (pin #º)

– 32 –

66

TELMUT

I

Telephone muting signal input terminal    At input of “L”, the signal is attenuated by –20 dB
Used for E model only

67

KEYACK

I

Input of acknowledge signal for the key entry    Acknowledge signal is input to accept function
and eject keys in the power off status    On at input of “H”

68

VDD

—

Power supply terminal (+5V)

69

X OUT

O

Main system clock output terminal (5 MHz)

70

X IN

I

Main system clock input terminal (5 MHz)

71

GND

—

Ground terminal

72

XT OUT

O

Sub system clock output terminal (32.768 kHz)

73

XT IN

I

Sub system clock input terminal (32.768 kHz)

74

AVDD

—

Power supply terminal (+5V) (for A/D converter)

75

AVREF0

I

Reference voltage input terminal (+5V) (for A/D converter)

76

KEYIN0

I

77

KEYIN1

I

78

D.BASS

I

D-BASS switch (SW951) input (A/D input)

79

VSM

I

FM and AM signal meter voltage detection input from the FM/AM tuner unit (TU1)

80

KEYSEL

I

Setting terminal for the key (fixed at “L”)

Key input terminal (A/D input)
OFF, SOURCE, MODE 

*, + ) +  SEEK AMS, – = 0 SEEK AMS, VOLUME –,

SEL, VOLUME +, DSPL, ATT keys input (LSW901 to LSW910)

Key input terminal (A/D input)
6, INTRO 1, REPEAT 2, SHUF/a 3, BL SKIP 6, ATA 5, BANK/MTL 4, BTM LCL, FILE,
PRESET DISC +/– keys input (LSW921 to LSW931)

*1  loading/tape operation motor control

                           MODE

 TERMINAL

LM LOD (pin #§)

“L”

“H”

“L”

“H”

LM EJ (pin #¶)

“L”

“L”

“H”

“H”

STOP

LOADING/

FORWARD

EJECT/

REVERSE

BRAKE

– 33 –

• 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

• Abbreviation

CND: Canadian

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

1

3-018-383-01 PANEL, SUB

2

3-935-003-01 SPRING, TORSION

3

3-932-205-31 DOOR, CASSETTE (C6100: E)

3

3-932-205-51 DOOR, CASSETTE (C6100: US, CND/C6100W)

4

X-3367-636-1 LOCK ASSY

* 5

3-013-247-01 SHEET, INSULATING

* 6

A-3313-557-A MAIN BOARD, COMPLETE (US, CND)

* 6

A-3313-559-A MAIN BOARD, COMPLETE (E)

7

3-915-923-01 SCREW, GROUND POINT

* 8

X-3373-269-1 COVER ASSY (ISO)

9

1-776-207-31 CORD (WITH CONNECTOR) (POWER)

(US, CND)

9

1-776-207-81 CORD (WITH CONNECTOR) (POWER) (E)

* 10

3-018-390-01 BRACKET (IC)

* 11

3-018-389-01 HEAT SINK

12

3-935-014-01 CUSHION (U)

* 13

3-009-813-01 CHASSIS

14

3-012-859-01 CAP (25), RUBBER

15

3-937-650-01 PLATE (C), GROUND

16

3-018-384-01 COLLAR (C6100)

16

3-022-230-01 COLLAR (C6100W)

17

3-015-663-01 SHEET (P), INSULATING

F601

1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) (10A)

#4

#4

#4

#3

MG-25J-136

#2

F601

#2

#2

Front panel ass’y

#2

#1

– 34 –

112

3-016-931-11 BUTTON (4-6) (4. 5. 6)

113

3-016-935-01 BUTTON (R) (L) (LCL. FILE. –. DISC. +)

* 114

3-010-282-01 PLATE (LCD), GROUND

* 115

3-019-150-01 SHEET (REFLECTOR)

* 116

3-018-612-01 PLATE, LIGHT GUIDE

* 117

3-018-611-01 HOLDER (LCD)

118

3-022-222-01 PANEL, FRONT BACK

119

3-904-194-01 EMBLEM (NO. 2.5), SONY

* 120

3-014-867-01 SHEET (ESD)

* 121

3-024-391-01 SHEET (LCD)

* 122

3-024-846-01 SHEET (LCD) B

123

3-014-894-01 CUSHON (L2)

LCD901 1-801-968-61 DISPLAY PANEL, LIQUID CRYSTAL

101

3-018-799-01 BUTTON (D-BASS)

* 102

3-015-037-01 CUSHION (BACK PANEL)

103

3-016-932-01 BUTTON (L) (2) (+. –)

104

3-009-304-01 BUTTON (RELEASE)

105

3-932-475-01 SPRING (RELEASE)

* 106

3-019-149-01 PLATE, LCD

107

X-3375-274-1 PANEL SUB ASSY (C6100)

107

X-3375-660-1 PANEL SUB ASSY (C6100W)

108

3-009-300-01 BUTTON (SOURCE)

109

3-018-658-01 BUTTON (L) (+ 

+ ). SEEK AMS.

= 0 –. r. OFF. r. SEL. ATT)

110

3-022-459-01 LENS

111

3-016-933-01 BUTTON (1-3) (

6. 1. 2. 3)

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

#5

not supplied
(KEY board)

LCD901

#5