Sony MZ-R91 Half Lock, Rmc Key, Set Key, Rec Key, Avref, Avdd, TEST0, TEST1, Trst, TSB Clkctl

Page 36

Pin No.

 

Pin Name

I/O

 

 

Description

 

 

 

 

 

 

80

 

VB MON

I

Un-regulator power supply voltage monitor input terminal (A/D input)

 

 

 

 

 

 

81

 

CHG MON

I

Rechargeable battery voltage monitor input from the MPC18A31FTA (IC901) (A/D input)

 

 

 

 

 

 

82

 

VREF MON

I

Reference voltage monitor input from the SN761056ADBT (IC501) (A/D input)

 

 

 

 

 

 

83

 

WK DET

I

Set key starting detect signal input terminal (A/D input)

 

 

 

 

 

 

 

 

84

 

HALF LOCK

I

Open knob detect switch (S802) input terminal “L”: normal position, “H”: open knob slid

 

 

SW

 

 

 

 

 

 

 

 

 

 

 

 

 

85

 

RMC KEY

I

Remote commander with headphone key input terminal (A/D input)

 

 

 

 

 

 

 

86

 

SET KEY 1

I

Set key input terminal (A/D input)

(x, >, .,VOL +/– keys input)

 

 

 

 

 

 

 

87

 

SET KEY 2

I

Set key input terminal (A/D input)

(B, jog, END SEARCH keys input)

 

 

 

 

 

 

 

 

88

 

REC KEY

I

REC key input terminal

 

 

 

 

 

 

 

 

89

 

VRM MON

I

VREM voltage monitor input terminal (A/D input)

 

 

 

 

 

 

90

 

HIDC MON

I

HI-DC voltage monitor input terminal (A/D input)

 

 

 

 

 

 

 

91

 

AD GND

—

Ground terminal (for A/D converter)

 

 

 

 

 

 

 

92

 

AVREF

I

Input terminal for power supply voltage adjustment reference voltage (+2.4V) (for A/D converter)

 

 

 

 

 

 

93

 

AVDD

—

Power supply terminal (+2.4V) (for A/D converter)

 

 

 

 

 

 

94

 

TEST0

I

Input terminal for the test (normally: fixed at “L”)

 

 

 

 

 

 

95

 

TEST1

I

Input terminal for the test (normally: fixed at “L”)

 

 

 

 

 

 

 

96

 

 

TDI

I

Input terminal for JTAG

Not used (open)

 

 

 

 

 

 

 

97

 

TMS

I

Input terminal for JTAG

Not used (open)

 

 

 

 

 

 

 

98

 

TCK

I

Input terminal for JTAG

Not used (open)

 

 

 

 

 

 

 

99

 

TRST

I

Input terminal for JTAG

Not used (open)

 

 

 

 

 

 

 

100

 

TDO

O

Output terminal for JTAG

Not used (open)

 

 

 

 

 

 

101

 

TSB CLKCTL

O

TSB clock control signal output terminal

 

 

 

 

 

 

102

 

SSB DATA

I/O

Two-way SSB serial data bus with the SN761056ADBT (IC501)

 

 

 

 

 

 

103

 

SSB CLK

O

SSB serial clock signal output to the SN761056ADBT (IC501)

 

 

 

 

 

 

 

 

104

 

FLASH WR EN

—

Not used (fixed at “H”)

 

 

 

 

 

 

 

 

 

105

 

VDD

—

Power supply terminal (+2.4V)

 

 

 

 

 

 

 

 

 

106

 

VSS

—

Ground terminal

 

 

 

 

 

 

 

 

107 to 109

 

VLC1 to VLC3

—

Power supply terminal for the liquid crystal display (+2.4V)

 

 

 

 

 

 

110

 

XCS ADA

O

Chip select signal output to the A/D, D/A converter (IC301)

 

 

 

 

 

 

111

 

XPD ADA

O

Power supply control signal output to the A/D, D/A converter (IC301)

 

 

 

 

 

 

112

 

XRST MTR DRV

O

Reset signal output terminal “L”: reset Not used (open)

 

 

 

 

 

113

 

OPT DET

I

DIN plug detect signal input terminal

 

 

 

 

 

114

 

XJACK DET

I

LINE IN plug detect signal input terminal

 

 

 

 

 

115

 

XMIC DET

I

MIC plug detect signal input terminal

 

 

 

 

 

116

 

XOPT CONT

O

Power supply control signal output to the DIN plug laser diode

 

 

 

 

 

117

 

MUTE

O

Analog muting on/off control signal output terminal “L”: muting off, “H”: muting on

 

 

 

 

118

XHP STBY TMP

O

Power supply control signal output to the headphone amplifier Not used (open)

 

 

 

 

 

119

 

XCS NV

O

Chip select signal output to the EEPROM (IC802)

 

 

 

 

 

 

 

120

 

XINT REC SW

O

Not used (open)

 

 

 

 

 

 

 

 

 

 

– 52 –

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Page 35 Page 37
Contents Specifications NEWLCX-2R Table of Contents DiagramsExploded Views Electrical Parts List Flexible Circuit Board RepairingSection Servicing Notes EepromHeadphones with a remote control RM-MZ2S SectionGeneral Location of ControlsSection Disassembly Panel ASSY, BottomUpper Panel Section LCD MODULE, BUTTON, CONTROL, Service ASSY, Upper Panel MZ-R90MZ-R91 Main BOARD, Case ASSY, Battery Belt ASSY, OrnamentalService ASSY, OP Chassis ASSY, SET, MD Mechanism Deck MT-MZR90-165Holder Assy Motor Flexible BoardMOTOR, DC Sled M602 Test Mode Setting Method of Test ModeOperation in Setting the Test Mode Releasing the Test ModeConfiguration of Test Mode Manual ModeA n u a l Overall Adjustment Mode 011 0 F F J 0011 0 6 3 B 0 011 0 5 9 a 0Sound Skip Check Result Display Mode Setting method of Sound Skip Check Result Display ModeT a t T r ySelf-Diagnosis Display Mode 000 1 s tDescription of Error Indication Codes Clearing Self-Diagnosis Data and Total Recording TimeDescription of Indication History RECKey Check Mode Key IndicationSection Electrical Adjustments E s NE s O K ? E sC l P W M C h P W MR h V c l R h V c hE t T m p S S YD R U N D O KLaser Power Check O O KE s u m e E s C l rSection Diagrams Block Diagram Servo SectionSignal Path REC DigitalBlock Diagram A/D, D/A CONVERTER, Audio Section Block Diagram KEY CONTROL/DISPLAY/POWER Supply SectionSignal Path Play Analog OUT REC Analog REC Digital Printed Wiring Board Semiconductor LocationJEW MZ-R90/R91 IC Block Diagrams IC301 WaveformsIC501 SN761056ADBT IC304, 305 RN5RZ25AA-TRIC601 IC602IC603 IC605 XC6367B103MR IC803 XC6383C301MRIC902 IC804 RV5C348A-E2 IC901IC PIN Function Description VDC0 SwdtSclk VSC0VDIO1 VSIO1Xras IxoeXlrf ApcrefLddr VDC4Sync REC Pause KEYSense WrpwrFfclr SleepTSB Edge GND SWHalf Lock RMC KEYSET KEY REC KEYSection Exploded Views Panel Section MZ-R90HK, CH, JEW Panel Section MZ-R91 Chassis section Not suppliedChassis Section 101 105 113 112 114 106 110 107 111 109102 103 104 108 109 MD-MECHANISM Deck Section Electrical Parts List MainCeramic Chip 5PF CAP, ChipConnector FILTER, Chip EMI Common ModeCXD2660GA IC MPC17A56FTAEBFET HAT2051T-EL FET HAT2050T-ELFET Transistor ZDT6718TASwitch Composition Circuit BlockOPEN/CLOSE Detect SWITCH, Slide Hold SWITCH, Slide Synchro RECThermistor TH901 1-803-795-21 THERMISTOR, Positive Vibrator MiscellaneousMZ-R90/R91 Subject Addition of Korean Model CorrectionElectrical Parts List Exploded ViewsHong Kong Model Korean Model 112 105 106 #114 151 176 @Indicates changed portion.EXPLODED Views IC MPC17A56FTA IC MPC18A31FTAEB
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