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SERVICE MANUAL

US Model

Canadian Model

AEP Model

UK Model

E Model

Tourist Model

ICD-B25

IC RECORDER

Recording media

Built-in flash memory, Monaural recording

Recording time

127 minutes (SP)/339 minutes (LP)

Frequency response

SP: 250 Hz - 7,300 Hz
LP: 300 Hz - 3,500 Hz

Speaker

approx. 3.2 cm (1 

5/16

 in.) dia.

Power output

300 mW

Input/Output

• Earphone jack (minijack) for 16 - 300 ohms

earphone/headphones

• Microphone jack (minijack, monaural)

Plug in power
Minimum input level 0.6 mV
3 kilohms or lower impedance microphone

Playback speed control

FAST +30%, SLOW –15%

Power requirements

Two LR03 (size AAA) alkaline batteries: 3 V DC

Dimensions (w/h/d) (not incl. projecting parts and controls)

44.5 

×

 105.3 

×

 14.0 mm (1 

13/16

 

×

 4 

1/4

 

×

 

9/16

 in.)

Mass (incl. batteries)

68 g (2.4 oz)

Optional accessories

Electret Condenser Microphone ECM-Z60,
ECM-T115, ECM-DM5P
Connecting cord RK-G64

Your dealer may not handle some of the above listed optional accessories.
Please ask the dealer for detailed information.

Design and specifications are subject to change without notice.

SPECIFICATIONS

Ver 1.0  2002. 03

Sony Corporation

Personal Audio Company

Published by Sony Engineering Corporation

9-873-644-01

2002C0400-1

© 2002. 03

Summary of Contents for ICD-B25 Operating Instructions (primary manual)

Page 1: ...er impedance microphone Playback speed control FAST 30 SLOW 15 Power requirements Two LR03 sizeAAA alkaline batteries 3V DC Dimensions w h d not incl projecting parts and controls 44 5 105 3 14 0 mm 1 13 16 4 1 4 9 16 in Mass incl batteries 68 g 2 4 oz Optional accessories Electret Condenser Microphone ECM Z60 ECM T115 ECM DM5P Connecting cord RK G64 Your dealer may not handle some of the above li...

Page 2: ... AYANT RAPPORT À LA SÉCURITÉ LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0 SUR LES DIAGRAMMES SCHÉMATIQUES ET LALISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY UNLEADED SOLDER Boards requiring use of unleaded solder are printed with the lead free ...

Page 3: ...3 ICD B25 SECTION 1 GENERAL This section is extracted from instruction manual ...

Page 4: ... DISASSEMBLY Note Follow the disassembly procedure in the numerical order given 2 1 UPPER LID SUB BLOCK ASSY 1 screw B1 7x10 6 upper lid sub block assy case assy 4 claw 3 claws 5 2 screw B1 7x7 7 screws B1 7x2 5 8 speaker 1 CN703 case assy 3 F SW board 2 Set Upper Lid Sub Block Assy F SW Board Main Board ...

Page 5: ...5 ICD B25 2 3 MAIN BOARD 3 screw B1 7x10 2 speaker 1 Removal the solders 6 MAIN board 4 claw 5 claw case assy ...

Page 6: ...yr RTC I F serial clock signal output 38 DVCC Digital power supply pin 39 DVSS Digital ground pin 40 ZIFACK O Zephyr I F acknowledge signal output Not used in this set 41 SIPCS O Serial parallel converter IC I F chip enable signal output 42 AVCC Analog power supply pin 43 AVRH A D reference voltage H Connect to VCC 44 AVRL A D reference voltage L Connect to ground 45 AVSS Analog ground pin 46 BATT...

Page 7: ...94 VCC Power supply pin 95 WAKEUP I Wake up signal input 96 DSPIFREQ I DSP voice I F request signal input 97 ZIFREQ I USB microcomputer zephyr I F request signal input 98 RTCINTR I Real time clock interruption request signal input 99 VBUSOFF I USB Vbus ON OFF detection signal input H OFF 100 HOLDSW I Hold switch signal input High HOLD 101 XFLMCEO O Flash memory chip enable 0 signal output 102 XFLM...

Page 8: ...Q702 B SW ZVCC Q705 706 WAKE UP SW IO1 ı IO8 VCC R B RE CE CLE ALE WE WP DSPIFREQ DCOMDT XDIFEN SIN1 SOT1 SCK1 XVORIN FLMIO00 ı FLMIO07 FLMRB XFLMRE XFLMCE0 FLMCLE FLMALE XFLMWE XFLMWP FLMSEL SPEED WAKEUP KEYPUP KEYIN0 KEYIN1 HOLDSW DSPSYSCK DSPPWR ADASYSCK XDSPRST DSPACK SOT2 SIN2 SCK2 SIPCS RTCCE RTCINTR SUBCLK BATT HPJACK XHSTBY XRESET XTALIN XTAL COM0 COM3 SEG00 ı SEG31 ı X701 4 096MHz LCD101 ...

Page 9: ...ions may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path E PB a REC IC109 on main board are not replaceable The voltages and Waveform of CSP chip size package cannot be measured because its lead layout is different from that of conventional IC Co...

Page 10: ...3 D703 OPR R161 IC105 C120 R165 FB104 C112 IC102 IC107 Q101 R114 FB102 FB101 C108 C107 R102 R104 R103 R110 R108 C116 R116 C109 R112 R183 R185 R184 C128 C164 R142 C124 C155 C126 C123 C122 R118 R186 C165 R140 R129 R764 R122 R141 R111 C111 C156 C152 RB103 RB102 RB101 C157 C154 C170 C167 C151 C141 C140 C125 C131 IC109 CSP CHIP SIZE PACKAGE IC110 C129 Q106 IC104 C106 R117 R113 R730 R166 R150 R152 R133 ...

Page 11: ...57 R711 C709 C727 C728 C750 MIC101 MIC C740 C739 Q702 C748 R794 R716 R757 C749 Q707 R763 C744 C743 C742 R732 R799 IC706 R168 D701 C759 R770 R718 R760 R758 R719 C763 R731 R734 R726 R729 R725 R188 C726 R714 R756 C754 C746 R754 R759 R722 C755 R172 R720 R798 Q710 R769 C758 R701 R702 W707 W702 W703 TP104 TP103 TP107 TP105 TP106 TP102 G D S S D G 1 3 25 48 24 1 120 91 90 1 61 60 31 30 1 36 30 25 10 15 2...

Page 12: ...9 C168 R133 R142 R188 R181 C170 C167 C165 C128 IC108 R122 R172 R178 TP113 TP112 R121 C164 R184 R185 C163 C162 R183 C125 C127 R186 C171 R187 C122 C126 C121 R730 TP708 C116 R116 C114 C111 C110 R113 R115 C113 C109 TP108 IC102 R114 C120 C115 R107 R106 C105 C104 R112 C108 TP111 IC101 R111 TP121 C107 R109 C106 R108 R104 C101 C103 C102 R103 R105 R102 TP115 FB101 FB102 R101 MIC101 J101 TP114 R118 C118 C17...

Page 13: ...r to page 9 for Waveform IC710 TP706 C757 C727 R767 C726 Q702 R711 C709 IC706 R722 C728 R720 R726 C763 R725 R754 C740 C750 C742 C739 C749 R758 R760 R759 C744 C743 R757 TP704 TP703 C755 R719 R718 R714 X701 R770 CN702 LCD101 IC712 R729 R731 R734 Page 12 Page 14 ...

Page 14: ...R158 C149 C144 C142 C141 R153 C137 TP110 R150 R167 R144 R182 R179 C135 R146 R147 R166 C140 R152 TP120 C145 R155 C150 R159 C152 C154 R165 R157 TP123 IC715 C746 C754 R756 Q707 R732 R786 R787 R794 C155 CN703 R798 R799 C748 TP702 TP701 R701 R702 Q705 C758 C759 R778 R776 TP710 TP709 R723 R721 TP711 TP712 R771 TP713 R724 R703 X702 C753 C747 R763 R764 R717 R769 R774 R161 C153 SP101 C139 IC110 RV101 C175 ...

Page 15: ...TP511 C513 R512 C510 IC506 TP510 R704 R703 S704 S703 R702 R701 S702 S701 R705 S707 S706 TP507 TP509 TP504 R515 C514 TP503 R507 R504 L502 R508 R509 Q504 C517 C504 R506 C512 D701 D702 R706 R707 R523 C506 C507 R521 R519 C505 C518 IC504 D502 C509 TP513 TP512 CN501 TP508 TP506 IC502 C503 R524 IC508 Page 14 ...

Page 16: ...2PCS 3V R706 TP506 TP511 TP507 TP509 TP508 TP504 TP512 TP513 TP510 TP501 TP502 R707 R701 R506 C512 C510 R504 R507 R519 R509 C513 R512 R508 R515 Q504 C514 R705 R703 S705 A B REPEAT S702 S706 S701 S707 S704 S703 1 1 2 3 6 5 4 2 3 IC507 1 680 351 12 12 INDEX 3 8 PRINTED WIRING BOARD F SW SECTION Uses unleaded solder IC507 G 2 Q504 H 2 Semiconductor Location Ref No Location ...

Page 17: ... C507 R523 R524 3 2 1 15 1 30 16 4 5 R521 D502 C505 C509 C503 C518 IC505 CN501 IC502 IC508 IC506 IC504 1 2 3 4 5 Q503 S D G 1 2 3 4 A K 5 1 2 3 4 5 4 5 1 2 3 1 680 351 12 12 BACK LIGHT Uses unleaded solder D502 E 3 D701 E 6 D702 G 6 IC502 H 5 IC504 G 3 IC505 G 4 IC506 F 3 IC508 D 3 Q503 D 3 Semiconductor Location Ref No Location Page 11 ...

Page 18: ...721 W706 W704 W701 W705 W703 W702 W707 R725 R723 R724 R726 S721 S722 S723 S724 S725 ON OFF S726 1 680 352 12 12 1 680 352 12 12 MAIN BOARD MAIN BOARD 3 2 SELECT B x PUSH B PLAY STOP ENTER P SW BOARD SIDE B REC STOP HOLD 3 9 PRINTED WIRING BOARD P SW SECTION Uses unleaded solder Page 11 Page 11 ...

Page 19: ...ICD B25 19 19 3 10 SCHEMATIC DIAGRAM P SW SECTION S726 S725 R724 R723 R726 R725 R722 R721 S724 S723 S722 S721 W707 W702 W703 W705 W701 W704 W706 Page 14 ...

Page 20: ... 4 1 2 3 5 6 7 8 9 10 16 15 14 13 12 11 CONTROL CIRCUIT 12 BIT SHIFT REGISTER 12 BIT STORAGE REGISTER OUTPUT BUFFER OPEN DRAIN VDD Q11 Q10 Q9 Q8 Q7 Q6 Q5 Q4 Q3 Q2 Q1 4 Q0 CLOCK DATA VSS 1 5 2 4 3 NC VCC IN A GND OUT Y VDD VDD OSCIN OSCOUT CE INTR 32KOUT SCLK SO SI VSS 32 kHz OUTPUT CONTROL COMPARATOR W COMPARATOR D ADDRESS REGISTER I O CONTROL ADDRESS DECODER SHIFT REGISTER INTERRUPT CONTROL OSC D...

Page 21: ...ssories are given in the last of this parts list R R 1 13 14 17 2 3 4 6 9 10 11 7 8 5 not supplied SP101 12 15 16 1 3 224 510 12 KNOB JOG 2 3 224 507 21 KNOB HOLD 3 3 334 565 01 SCREW B1 7X10 TAPPING 4 3 930 804 51 KNOB ISS 5 3 318 203 81 SCREW B1 7X7 TAPPING 6 X 3381 415 1 CASE ASSY 7 3 224 509 51 LID BATTERY CASE 8 3 046 359 01 CUSHION BATTERY LID 9 4 973 264 01 SCREW 1 7X2 5 10 A 3174 195 A SUB...

Page 22: ...ERMINAL BATTERY 54 A 3062 303 A F SW BOARD COMPLETE 55 3 224 513 01 TERMINAL BATTERY 56 4 217 040 02 CAP TERMINAL 57 1 694 773 21 CONDUCTIVE BOARD CONNECTION 58 3 224 515 01 PLATE LIGHT GUIDE 59 3 224 516 02 HOLDER LCD 60 3 224 512 01 CUSHION MICROPHONE 61 3 229 219 01 SHEET MICROPHONE 62 3 229 673 01 SHEET LCD Z 63 3 229 648 11 SHEET LH LCD101 1 804 254 12 DISPLAY PANEL LIQUID CRYSTAL MIC101 1 47...

Page 23: ...C506 8 759 825 95 IC XC62HR2902MR IC507 8 759 694 89 IC XC61CN1002MR IC508 8 759 825 96 IC XC6368A371MR COIL L502 1 419 978 21 COIL CHOKE 47uH TRANSISTOR Q503 8 729 053 03 TRANSISTOR XP151A12A2MR Q504 8 729 427 74 TRANSISTOR XP4601 RESISTOR R504 1 218 989 11 RES CHIP 1M 5 1 16W R506 1 218 973 11 RES CHIP 47K 5 1 16W R507 1 218 981 11 RES CHIP 220K 5 1 16W R508 1 218 977 11 RES CHIP 100K 5 1 16W R5...

Page 24: ...CHIP 15000PF 10 16V C164 1 164 937 11 CERAMIC CHIP 0 001uF 10 50V C165 1 125 777 11 CERAMIC CHIP 0 1uF 10 10V C167 1 125 837 11 CERAMIC CHIP 1uF 10 6 3V C168 1 119 923 81 CERAMIC CHIP 0 047uF 10 10V C169 1 119 923 81 CERAMIC CHIP 0 047uF 10 10V C170 1 125 837 11 CERAMIC CHIP 1uF 10 6 3V C171 1 125 777 11 CERAMIC CHIP 0 1uF 10 10V C172 1 117 919 11 TANTAL CHIP 10uF 20 6 3V C173 1 164 854 11 CERAMIC...

Page 25: ... RES CHIP 470K 5 1 16W R152 1 218 965 11 RES CHIP 10K 5 1 16W R153 1 218 953 11 RES CHIP 1K 5 1 16W R155 1 218 953 11 RES CHIP 1K 5 1 16W R157 1 218 990 11 SHORT 0 R158 1 218 957 11 RES CHIP 2 2K 5 1 16W R159 1 218 957 11 RES CHIP 2 2K 5 1 16W R161 1 218 990 11 SHORT 0 R165 1 218 941 81 RES CHIP 100 5 1 16W R166 1 218 973 11 RES CHIP 47K 5 1 16W R167 1 218 957 11 RES CHIP 2 2K 5 1 16W R168 1 218 9...

Page 26: ...OL SWITCH S702 1 692 605 31 SWITCH SLIDE PLAY SPEED VIBRATOR X701 1 795 268 21 VIBRATOR CERAMIC 4 096MHz X702 1 767 994 23 VIBRATOR CRYSTAL 32 768kHz 1 680 352 12 P SW BOARD RESISTOR R721 1 218 969 11 RES CHIP 22K 5 1 16W R722 1 218 965 11 RES CHIP 10K 5 1 16W R723 1 218 957 11 RES CHIP 2 2K 5 1 16W R724 1 218 961 11 RES CHIP 4 7K 5 1 16W R725 1 218 957 11 RES CHIP 2 2K 5 1 16W R726 1 218 957 11 R...

Page 27: ...27 ICD B25 MEMO ...

Page 28: ...STORY Clicking the version allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2002 03 New ...

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