Sanyo ICRB-28, ICRB-30, ICRB-32-T Service manual
FILE .NO
Service Manual
Compact Disc Player with
MP3 Decoder
ICR-B30 (XE)
ICR-B28 (XE)
ICR-B28 (XE-2)
ICR-B32T (XE)
DIGITAL
VOICE RECORDER
CONTENTS
Exploded View (cabinet and chassis) .............................. 1
Parts List .......................................................................... 2
IC block diagram and description ..................................... 3
Wiring Connection ............................................................ 6
Block Diagram .................................................................. 8
Schematic Diagram .......................................................... 10
Wiring Diagram (Main) ..................................................... 12
Wiring Diagram (Display , Key 1 and Key 2) .................... rear
PRODUCT CODE No.
164 123 00 ICR-B30(XE)
164 123 01 ICR-B28(XE)
164 123 02 ICR-B28(XE-2)
164 123 04 ICR-B32T(XE)
REFERENCE No. SM5810486
EXPLODED VIEW
36
37
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PARTS LIST
PRODUCT SAFETY NOTICE
EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH THE
!!
IEC SYMBOL
BE OF SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIED BY
DESIGNATED, OR PARTS WITH THE SAME RATINGS OF RESISTANCE, WATTAGE OR VOLTAGE THAT ARE DESIGNATED IN
THE PARTS LIST IN THIS MANUAL. LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS MUST BE MADE TO DETERMINE
THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE PRODUCT TO
CAUTION : Regular type resistors and capacitors are not listed. To know those values, refer to the schematic diagram.
!
IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATED COMPONENTS IN WHICH SAFETY CAN
!!
!
, USE ONLY THE REPLACEMENT PARTS
Regular type resistors are less than 1/4W carbon and chip type and 0 ohm chip resistors.
Regular type capacitors are less than 50V and less than 1000µF of Ceramic and chip type and Electrolytic type.
PACKING & ACCESSORIES
REF.NO. PART NO. DESCRIPTION
645 065 7610 AUDIO CABLE(32T/XE)
645 065 8327 BLISTER BOTTOM(28/XE)
645 065 8303 BLISTER CARD(28/XE)
645 065 8334 BLISTER SUPPORTER(28/XE)
645 065 8310 BLISTER TOP(28/XE)
645 065 8365 CARTON INNER(28/XE2)
645 065 8372 CARTON INNER(30/XE)
645 065 8396 CARTON INNER(32T/XE)
645 065 8419 CARTON OUTER,
PACK 10PCS(28/XE2)
645 065 8426 CARTON OUTER,
PACK 10PCS(30/XE)
645 065 8440 CARTON OUTER,
PACK 10PCS(32T/XE)
645 065 8402 CARTON OUTER,
PACK 4PCS(28/XE)
645 065 8501 CARTON SHEET,
CARTON BOX(28/XE)
645 065 7184 EXTERNAL MIC(32T/XE)
645 065 8341 INSTRUCTION MANUAL,
7 LANGUAGES
645 065 8075 POLYBAG,
TELEPHONE ADAPTOR(32T/XE)
645 065 8082 POLYBAG,UNIT(28/XE)
645 065 8068 POLYBAG,
UNIT(28/XE2)(30/XE)(32T/XE)
645 065 7627 STEREO EARPHONE(32T/XE)
645 065 7191 TELEPHONE ADAPTOR(32T/XE)
CABINET & CHASSIS
REF.NO. PART NO. DESCRIPTION
2 645 065 7054 ASSY CABINET TOP(30/XE)
2 645 065 7061 ASSY CABINET TOP(28/XE)(28/XE2)
2 645 065 7085 ASSY CABINET TOP(32T/XE)
3 645 065 7672 SPEAKER FELT COVER,
FOR SPEAKER
5 645 065 7788 CABINET SIDE
6 645 065 7887 RECORDER KNOB,SIDE CAB
7 645 065 7894 STOP KNOB,SIDE CAB
8 645 065 7900 PLAY KNOB,SIDE CAB
9 645 065 7917 FF KNOB,SIDE CAB
10 645 065 7924 REW KNOB,SIDE CAB
11 645 065 7825 REC,STOP KNOB BRACKE T
12 645 065 7832 PLAY,F.F KNOB BRACKE T
13 645 065 7849 REW KNOB BRACKET
14 645 065 8013 BATTERY SPRING 15 645 065 7962 SCREW 1.4X4,KEY 2 PCB
16 645 065 7733 CABINET BOTTOM(28/XE)(28/XE2)
16 645 065 7757 CABINET BOTTOM(30/XE)
16 645 065 7764 CABINET BOTTOM(32T/XE)
17 645 065 7993 BATTERY SPRING + -,
CABINET BTM
18 645 065 7795 BATTERY DOOR(28/XE)(28/XE2)
18 645 065 7801 BATTERY DOOR(30/XE)(32T/XE)
19 645 065 7986 SCREW 1.4X14,REAR CABINET
20 645 065 7979 SCREW 1.4X5,REAR CABINET
21 645 065 8006 BATTERY SPRING +
23 645 065 7634 MIC CUSHION,FOR PCB MAIN BD
24 645 065 7641 SPONGE,FOR MIC
REF.NO. PART NO. DESCRIPTION
26 645 065 7658 SPONGE CUSHION,
FOR MIC CUSHION
27 645 065 7771 MIC COVER
28 645 065 7856 LCD PLASTIC BRACKET,
FOR LCD BRACKET
29 645 065 7696 ZEBRA CONNECTOR
30 645 065 7429 LCD DISPLAY
31 645 065 8020 DISPLAY COVER
32 645 065 7689 FELT,FOR KNOB
33 645 065 7870 MENU, ERASE KNOB,FRONT CAB
34 645 065 7948 VOLUME KNOB -,FRONT CAB
35 645 065 7931 VOLUME KNOB +,FRONT CAB
ELECTRICAL-PARTS
REF.NO. PART NO. DESCRIPTION
4 645 065 7511 SPEAKER
25 645 062 3875 CONDENSER MIC
MAIN P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
22 614 329 3668 ASSY,PWB,
KEY 1(28/XE2)(28/XE)(Only initial)
22 614 329 2937 ASSY,PWB,KEY 1(30/XE)(Only initial)
22 614 329 3675 ASSY,PWB,
KEY 1(32T/XE)(Only initial)
CN002 645 065 7559 20P CONNECTOR
D0006 645 065 7443 DIODE RB551V-30,SOD-323
D0007 645 065 7436 DIODE ISS355,SMD
D0008 645 065 7436 DIODE ISS355,SMD
IC002 645 065 7320 IC SPDS202A-006C-C
IC003 645 065 7399 IC MBM30LV0064,
8MX8 FLASH MEMORY
(28/XE2)(28/XE)
IC004 645 065 7368 IC LM4862M,AUDIO POWER
IC006 645 065 7351 IC K9F2808U0A,
16MX8 FLASH MEMORY(30/XE)
IC006 645 065 7375 IC K9F5608U0A-YCB0,
32MX8 FLASH MEMORY(32T/XE)
or 645 065 7382 IC K9F5608U0C-YCB0,
32MX8 FLASH MEMORY(32T/XE)
or 645 065 7337 IC SDTNFAH-256,
32MX8 FLASH MEMORY(32T/XE)
Q0002 645 062 3806 TR 2SC2712GR,SOT-23
Q0008 645 062 3806 TR 2SC2712GR,SOT-23
Q0009 645 062 3806 TR 2SC2712GR,SOT-23
Q0010 645 062 3806 TR 2SC2712GR,SOT-23
Q0011 645 062 3806 TR 2SC2712GR,SOT-23
R0015 645 065 7498 FERRITE BEAD 0.1UH
R0022 645 065 7481 FERRITE BEAD 10UH
DISPLAY P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
36 614 329 2920 ASSY,PWB,DISPLAY(Only initial)
CN001 645 065 7542 20P CONNECTOR
D0001 645 065 7443 DIODE RB551V-30,SOD-323
D0004 645 065 7443 DIODE RB551V-30,SOD-323
D0005 645 065 7443 DIODE RB551V-30,SOD-323
D0010 645 065 7443 DIODE RB551V-30,SOD-323
IC001 645 065 7313 IC SPL191A-257A
IC005 645 065 7405 IC RT9262A,DC CONVERTER
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PARTS LIST
REF.NO. PART NO. DESCRIPTION
IC007 645 065 7344 IC XC61CN2202MR
L0001 645 065 7504 INDUCTOR 22UH,SMT
LCD00 645 065 7429 LCD DISPLAY
LCD01 645 065 7696 ZEBRA CONNECTOR
LCD02 645 065 7696 ZEBRA CONNECTOR
MIC01 645 065 7535 MONO PHONE JACK
PHONE 645 065 7528 STEREO PHONE JACK,
ST-19D-L50-00-TM1
Q0001 645 062 3806 TR 2SC2712GR,SOT-23
Q0006 645 062 3806 TR 2SC2712GR,SOT-23
Q0007 645 065 7412 TRANSISTOR 2SA1162GR,SOT-23
R0037 645 065 7481 FERRITE BEAD 10UH
X0001 645 065 7474 CRYSTAL 32.768KHZ
X0002 645 065 7450 CRYSTAL 32.768KHZ
or 645 065 7467 CRYSTAL 32.768KHZ
645 065 7955 SCREW POST,FOR LCD PCB
645 065 8006 BATTERY SPRING +
645 065 8013 BATTERY SPRING 645 065 7856 LCD PLASTIC BRACKET,
FOR LCD BRACKET
645 065 8020 DISPLAY COVER
645 065 8044 RECHARGEABLE BATTERY,
FOR C37
645 065 7665 SPONGE CUSHION A
IC BLOCK DIAGRAM & DESCRIPTION
IC007 XC61C
KEY 1 P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
37 614 329 2913 ASSY,PWB,KEY 1(Only initial)
D0002 645 065 7436 DIODE ISS355,SMD
D0003 645 065 7436 DIODE ISS355,SMD
SW005 645 065 7566 SWITCH TACT,REC
SW006 645 065 7566 SWITCH TACT,STOP
SW007 645 065 7566 SWITCH TACT,PLAY
SW008 645 065 7566 SWITCH TACT,SEARCH+
SW009 645 065 7566 SWITCH TACT,SEARCH -
KEY 2 P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
614 329 2944 ASSY,PWB,KEY 2
SW001 645 065 7566 SWITCH TACT,EDIT
SW002 645 065 7566 SWITCH TACT,MODE
SW003 645 065 7566 SWITCH TACT,VOL +
SW004 645 065 7566 SWITCH TACT,VOL SW011 645 065 7566 SWITCH TACT,RESET
IC004 LM4862(Audio Power)
IC005 RT9262(DC-DC Convertor)
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