Sony PRS-505 Service Manual page 60

PRS-505
Q Q
3 7 6 3 1 5 1 5 0
2-6. SCHEMATIC DIAGRAM - MAIN Board (4/10) -
(4/10)
LCDBUS
(Page 10)
T E
L 1 3 9 4 2 2 9 6 5 1 3
R303
0
UNREG
(Page 7)
+1.5V REGULATOR
IC302
R301 XC6215B152NR
0
VCORE
C301
1
(Page 5)
TP348
PCA3PCORE
R302
470k
TP347
(Page 10)
PCA3PIO
GND
VCORE
(Page 14)
w w w
PRS-505
R332
470k
C317 R330
0.1 0
R328
0
GND
PD15
PD15
PD14
PD14
PD13
PD13
PD12
PD12
PD11
PD11
PD10
PD10
PD9
PD9
GND
PD8
PD8
PD7
PD7
GND
PD6
PD6
GND
PD5
PD5
PD4
PD4
VCC
C316
0.1
VCCI
PD3
PD3
PD2
PD2
PD1
PD1
PD0
PD0
PSFL
C315 VMV
0.1
GND
R326
0
R327 L301
0
10μH
RB301
100
+3.1V
C302
1 REGULATOR
IC303
XC6215B312NR
C303 R322 C304 C326
1 470k 1 10
x a o
. i
http://www.xiaoyu163.com
C318 C320
0.1 0.1
GND
VMV
PWR1
PWR0
BDR0
BDR1
INDICATOR CONTROLLER PWR2
VCC
IC301
A3P125-VQG100
GND
VCCI
PWRCOM
GDRL TP312
SDSHR TP313
SDCE0
SDCE1
SDCE2
SDCE3 TP314
SDCE4 TP315
Q Q SDCE5 TP316
3 7
VJTAG
TRST
TDO TP350
NC
VPUMP
GND
TP353
R355 R387
C322
C321 0 1k
0.1
0.1
RB303
RB302
100
100
R349
100
u 1 6 3
y
8 8
2 4
8 9 9
C312
4.7
25V
TP344 TP345
C313
4.7
25V
TP319 C308
R378
0.1
0
TP331
R376
0
TP332
TP333
TP334
TP335
TP328
TP336
TP337
TP338
TP339
TP340
TP341
TP326
TP342
C325
0.1 TP343
8PWR_POS
C309
1 TP327
8PWR_NEG
TP329
8BORDER0
8BORDER1
C310
0.1
8PWR_GATE
TP330
C323 C311
0.1 10
C324
0.1
8COM_CTRL
TP322
R377
0
SDCE0
SDCE1
SDCE2
R389
1k
RB304
100
C305
0.1
6 3 1 5 1 5 0 8 9
TP318
TP349
R365
R364
0
1k
TP317
C306
0.1
R388
1k
8BORDER0
8BORDER1
8PWR_GATE
8COM_CTRL
8PWR_POS
8PWR_NEG
m
c o
.
Note: When IC301 on the MAIN board is damaged, ex-
change the new MAIN board for the MAIN board
which IC damaged.
2
8 9 9
8-V3
R385
0
8-15V
8+15V (Page 7)
R386 CN302
0 39P
TP346
SDCLK
SDLE
SDOE
SDCE2
SDCE1
SDCE0
SD0
SD1
SD2
SD3
SD4
SD5
SD6
SD7
IIE1
INK
INDICATOR
ELEMENT
C314
0.1
GDOE
TP321
GDSP
GDCLK
TP325
2 4 9 8 2 9 9
TP323
TP324
R379
0
8-BORDER
R380
0
8-ROW_VCC
R381
TP320
0
8--20V
R382
0
8-25V
R383
0
8-COMMON
(Page 7)
8-5V
R384
0
8BORDER0
8BORDER1
8PWR_GATE
8COM_CTRL
(Page 7)
8PWR_POS
8PWR_NEG
GND
(Page 7)