Sony MZ-R37 specifications System Gain Mode, Audio Mode How to Transfer in the Audio Mode

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2.To perform automatic adjustment for an adjustment item with the mode number 030 to 047, press P key.

If the result of adjustment is OK, the adjustment value changes from flashing to steady on and it is automatically written to

EEPROM.

32 OF SERVO

Adjustment value (flashing to steady on)

3. To perform manual adjustment, change the adjustment value with VOLUME + or – key, and press P key to write it to

EEPROM.

Note) Normally, automatic adjustment should be performed. Do not execute manual adjustment.

• System Gain Mode

1.This mode allows the system gain to be freely adjusted. Press DISPLAY key to enter this mode.

32 OF S-GAIN

Adjustment value (flashing)

2. Increase or decrease the adjustment value with VOLUME + or

key.

3.Press DISPLAY or p key to return to the normal mode.

4.For the error rate display enabled:

Normal Mode

AT error rate

Press DISPLAY key

Block error rate

System gain Mode

 

 

 

 

 

 

 

 

 

Indicate of AT error rate

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

39

OA 000a4F

 

 

 

 

ATT error value

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cluster value

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

39

OA 000b4F

 

 

 

Block error value

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Indicate of block error rate

Adjustment value (flashing)

Mode No. (lower two digits)

Note) In normal service, do not adjust the system gain mode.

(2) Audio Mode

• How to Transfer in the Audio Mode

Mode No.

Test Description

Write

Change

Description

 

 

 

 

 

 

 

100

Audio mode

 

 

110

Audio playback

 

 

111

L/R=1 kHz 0 dB

Playback VOL

HP output

112

L=1 kHz 0 dB

Playback VOL

HP output

113

R=1 kHz 0 dB

Playback VOL

HP output

114

L/R dB

Playback VOL

HP output

115

L/R=1 kHz 0 dB & EVR max

Playback VOL

HP output

116

L/R=1 kHz 0 dB & AVLS on

Playback VOL

HP output

117

INFI ZERO & BEEP

Playback VOL

HP output

120

Audio recording test

 

 

121

LINE manual recording

Recording VOL

HP output

*1)

MIC manual recording

 

 

122

DEMP LINE manual recording

Recording VOL

HP output

*1)

DEMP MIC manual recording

 

 

123

LINE automatic recording

 

 

*1)

OPT automatic recording

HP VOL

HP output

 

MIC automatic recording

 

 

124

DEMP LINE automatic recording

 

 

*1)

DEMP OPT automatic recording

HP VOL

HP output

 

DEMP MIC automatic recording

 

 

130

DIGITAL AGC ADJ1

 

 

131

MIC UP SR

¨(30)

 

132

MIC DOWN SR

¨(FA)

 

133

MIC THD0

¨(D0)

 

134

MIC GAIN

¨(00)

 

135

MIC ATTACK

¨(A0)

 

136

MIC RECOVER

¨(F8)

 

137

MIC THD2

¨(F0)

 

138

MIC GAIN2

¨(D0)

 

139

MIC RTIME

¨(01)

 

140

DIGITAL AGC ADJ2

 

 

141

LINE UP SR

¨(17)

 

142

LINE DOWN SR

¨(FF)

 

143

LINE THD0

¨(D0)

 

144

LINE GAIN

¨(0C)

 

145

LINE ATTACK

¨(33)

 

146

LINE RECOVER

¨(FB)

 

147

LINE THD2

¨(E4)

 

148

LINE GAIN2

¨(5F)

 

149

LINE RTIME

¨(04)

 

150

DIGITAL AGC ADJ3

 

 

151

MAN UP SR

¨(C0)

 

152

MAN DOWN SR

¨(40)

 

153

AUTO THD3

¨(51)

 

154

AUTO LMT UP SR

¨(FF)

 

155

AUTO LMT DOWN SR

¨(E0)

 

156

MAN THD3

¨(51)

 

157

MANU LMT UP SR

¨(FF)

 

158

MANU LMT DOWN SR

¨(A0)

 

159

THD1

¨(1A)

 

*1) The port is detected and the input is automatically selected. Contents changed : Contents to be changed when VOLUME

 

+ or – key is pressed.

Write

: Mode to permit adjustment

 

(Default value given in parentheses)

1.Go into the test mode.

2.Press + key or VOLUME + key and VOLUME + key in this turn to set the audio mode.

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Contents MZ-R37 SpecificationsBattery operation time1 Flexible Circuit Board RepairingServicing Note General Test Mode Setting Section SELF-DIAGNOSTICOperation in Test Mode Setting Releasing the Test ModeDescription of Error Indication Codes Clearing the Error Indication Code and Total Recording TimeProblem Indication code Meaning of code Description Description of History Codes History code numberPANEL, Bottom Section DisassemblyPanel SV ASSY, Front LCD Module ConnectorPanel SV ASSY, Upper Main BoardOP Block Assy Cabinet SV AssyHolder Assy Test Mode Structure Test ModeManual Mode Audio Mode How to Transfer in the Audio Mode System Gain ModeHow to Check in the Audio Mode How to Adjust in the Audio ModeHow to Check in the Mechanism Mode Power Mode Mode No Test Description Indication value Remark Overall Adjustment Mode Assy ModeHow to Adjust in Assy Mode How to Check in the Power ModeMO Automatic Adjustment Hybrid MODE, KEY Check ModeMode No Adjustment Description Precautions for Adjustment Section Electrical AdjustmentsLaser Power Check MO Traverse AdjustmentLOW Reflection CD Traverse Adjustment RF waveform CD RF Level CheckIC PIN Descriptions Section DiagramsFili AvssFilo XlrfSDI2 ClkcsSDO2 SCK2KEY3 LCD ResetKEY2 KEY1MZ-R37 Block Diagram Servo SectionControl B Keyrmc Block Diagram System Control SectionAudio SectionSemiconductor Location Printed Wiring BoardWaveforms IC801 $¼ MZ-R37 IC303 AN7535SA-E1 IC Block Diagrams IC301 AK4517-VQ-LIC304 IC802 8110ANP-DSB-T2IC803 AK6420AM-E IC761 BA6966FV-E2IC901 MPC18A35FTA Panel Section Section Exploded ViewsCabinet SV Assy Section 59 4-216-592-01 Terminal A, Battery DetectionMOTOR, DC Loading Mechanism Deck Section MT-MZR37-161Motor Block ASSY, Sled Sled Section Electrical Parts ListMain Elect Chip TantalumDiode RN5RZ25AA-TR Metal ChipCXA2523AR CXD2652ARDescription Remark R202 218-875-11 SWITCH, Slide Synchro REC SwitchSWITCH, KEY Board Display Accessories & Packing MaterialsADAPTOR, AC AC-E455A Accessories & Packing MaterialsADAPTOR, Conversion 2P Schematic Diagram Table of Contents Printed Wiring BoardCorrections Side a Printed Wiring Board Except US ModelMain Board Printed Wiring Board US Model Location SemiconductorMZ-R37 IC801 r Schematic Diagram Main /3MZ-R37 Electrical Parts List CAP-CHIP JFJ7001 Line in Optical Diode MA8140-M-TXJack PHONES/REMOTE Transistor XP4313-TX.SORES-CHIP Network Resistor FILTER, Chip EMI Common ModeFilter OP Service Assy Electrical Parts LIST/MISCELLANEOUS Incorrect CorrectIncorrect Correct Head ASSY, OP