Description Of Pcb Circuit; Main Pcb - Panasonic JS-925WS-010 Service Manual

2.2. Description of PCB Circuit

2.2.1

Main PCB

Ref. No. Parts No.
U051 YJ30-123722
U081 YJ30-123723
U141 YJ30-122709
U152,U342 YJ32-110599S
U162,U163 YJ30-526461S
U191 YJ32-973876S
U202 YJ30-124167S
U211,U365,U369 YJ32-110165S
U214,U302 YJ32-974592S
U221,U222 YJ32-191308S
U225 YJ32-973604S
U241,U242,U243,
YJ38-970001S
U244
U251 YJ32-975388S
U252 YJ30-124166S
U261 YJ30-123324S
U271
U272
U281 YJ32-970073S
U291
U292
U293 YJ32-110015S
U301 YJ32-972165S
U313 YJ32-975361S
U321 YJ32-974651S
U322 YJ32-974653S
U331,U332 YJ32-974282S
U341 YJ32-974996S
U361 YJ32-110185S
CPU CPU
Chip Set / Memory Controller
North Bridge Video Controller (direct connection to Video I/F)
HDD Controller
Drawer Controller (Standard I/O Port)
Chip Set /
USB Controller
South Bridge
LAN Controller
Sound Creator
Clock Clock
LAN Controller
LAN Controller
EEPROM for MAC Address and some Parameter
Regulator U214: +24V Regulator for Cash Drawer
Regulator +1.2V Regulator for HDD Controller (U253)
HDD Controller HDD Controller
Super I/O Serial Controller for COM1-4, TP & Customer Display
U271: COM1 Transceiver
U272: COM2 Transceiver
Transceiver U281: TP Transceiver
U291: COM3 Transceiver
U292: COM4 Transceiver
Regulator +3.3V Regulator (3.3V is created from +5V)
Regulator +1.8V Regulator for Memory
Regulator +0.9V Regulator for Memory Terminator
Regulator U332: +1.05V Regulator for Chip Set / CPU I/F BUS
Regulator V Core Regulator for CPU
Parts Name & Description
ASIC AU80586GE025D SLB73 C0 FC-BGA8 437P
ASIC QG82945GSE SLB2R A3 FC-BGA3 998P
ASIC ICH7-M 82801GBM PFBGA652
IC SN74AHC1G08DBVR SOT-23 SMT5
EEPROM 2K 1.8V SO8 AT24C02BN-SH-T
IC CLOCK ICS9LPRS501PGLFT TSSOP64 L/F
ASIC QFN64 88E8040A0-NNC1C000 MARVELL
IC CMOS NC7S86P5X_NL SC70 FAIRCHILD LF
IC CONTROLLER TPS40211DGQR MSOP10
IC CMOS SN74LVC1G125DBVR SOT23-5
IC VOLTAGE TRANSLATOR PCA9306 VSSOP8
IC TVS D ARRAY NUP4201MR6T1G TSOP6 W/LF
Regulator RT9166A-12PGL 1.2V SOT-223
ASIC IC 88SE6121B2-NAA2C000 QFN76
IC ASIC LPC I/O QFP128 W83627UHG REV:B
IC MAX3243ECPWR TSSOP28
IC LMOS TC7S32FU(TE85L,F) SSOP5-P-A LF
IC REGULATOR G905T24Uf 2.5V SOT-89 GMT
IC CONTROLLER PM6686TR VFQFPN-32
IC CONTROLLER ISL8014IRZ-T QFN 16
IC REGULATOR TPS51200DRCR SON-10
IC BUCK CONTROLLER NCP1589AMNTWG DFN10
IC ADP3211AMNR2G QFN32
IC CMOS 74LVC08D SO14 PHILIPS
11
Pecs
1
1
1
2
2
1
1
3
2
2
1
4
1
1
1
5
1
1
1
1
1
2
1
1