Schematic Diagram - Main Board, Usb Board - Sony ICD-U50 Service Manual
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Also See for ICD-U50:
- Specification sheet (2 pages) ,
- Operating instructions (2 pages) ,
- Specification sheet (2 pages)
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4-5. SCHEMATIC DIAGRAM – MAIN BOARD, USB BOARD –
MAIN BOARD
VOL +
. u >
VOL –
REC/PAUSE
STOP
A-B
MENU
JACK
BOARD
A
CN704
(Page 15)
Q501
VOLTAGE
TOTAL CURRENT
CONTROLLER
PLAY : 86mA
REC : 91mA
PLAY FF : 145mA
PLAY FR : 143mA
STOP : 1.3mA
CONSUMPTION
VOLTAGE DETECTOR
DRY BATTERY
SIZE "AAA"
(IEC DESIGNATION LR03)
1PCS, 1.5V
ICD-U50/U60/U70
• See page 12 for Waveform. • See page 18 for IC Block Diagrams. • See page 18 for IC Pin Function Description.
IC B/D
IC703
REAL TIME CLOCK
IC504
MAX1797EUA+TG069
1.5
DC DC
1.5
CONVERTER
2
2.1
*
1.5
IC505
1.5
0
2.8
1.5
1.5
0.5
1.5
2.8
1.5
REG
IC501
IC B/D
BOOST CONVERTER
* * * *
2.6
0
0
0
2.8
0
0
0
0
SYSTEM CONTROLLER
1.5
1.5
IC701
0
B
2.8
1.2
1.5
1
1.5
0
REG
IC503
2.6
0
2.1
IC502
2.6
0
2.8
17
17
*
*
*
IC702
K05SONY03 (U50)
*
K9F4G08UOM-PCBOT (U60)
K9K8G08UOM-PCBOT (U70)
*
*
NAND FLASH
*
*
2.8
0
*
*
2.7
(2.7)
0
*
2.7
*
2.7
0
0
2.7
2.8
2.8
2.7
0
2.8
0
2.7
0
2.7
*
0
2.7
*
2.7
*
*
USB BOARD
no mark : PLAY
(
) : REC
: Impossible to measure
*
ICD-U50/U60/U70
Ver. 1.1
LIQUID
CRYSTAL
DISPLAY
MEMORY
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