Schematic Diagram - Main Board (4/10) - Sony PRS-505 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
6-9.

SCHEMATIC DIAGRAM - MAIN Board (4/10) -

LCDBUS
(Page 23)
T E
L 1 3 9 4 2 2 9 6 5 1 3
UNREG
(Page 20)
+1.5V REGULATOR
IC302
R301 XC6215B152NR
0
VCORE
C301
1
(Page 18)
TP348
PCA3PCORE
R302
470k
TP347
(Page 23)
PCA3PIO
GND
VCORE
(Page 27)
w w w
PRS-505
• See page 29 for IC Block Diagram. • See page 34 for IC Pin Function Description.
(4/10)
C317
0.1
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
R303
0
R327 L301
0 10μH
+3.1V
C302
1 REGULATOR
IC303
XC6215B312NR
C303 R322 C304 C326
1 470k 1 10
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R330 C318 C320
0 0.1 0.1
GND
VMV
PWR1
PWR0
BDR0
BDR1
INDICATOR CONTROLLER PWR2
VCC
IC301
A3P125-VQG100
GND
VCCI
PWRCOM
GDRL
SDSHR
SDCE0
SDCE1
SDCE2
SDCE3
SDCE4
Q Q SDCE5
3 7 6
VJTAG
TRST
TDO
NC
VPUMP
GND
TP353
R355 R387
C322
C321 0 1k
0.1
0.1
RB303
RB302
100
100
R349
100
RB301
100
u 1 6 3
.
21 21
2 4
8 9 9
C312
4.7
25V
C313
4.7
25V
TP319 C308
R378
0.1
0
R376
0
TP326
C325
0.1 8PWR_POS
C309
1
8PWR_NEG
TP329
8BORDER0
8BORDER1
C310
0.1
8PWR_GATE
TP330
C323 C311
0.1 10
C324
0.1
8COM_CTRL
TP312
TP322
TP313 R377
0
SDCE0
SDCE1
SDCE2
R389
TP314
1k
RB304
TP315 100
TP316 C305
0.1
3 1 5 1 5 0 8 9 2
TP318
TP349
TP350
R365
R364
0
1k
TP317
C306
0.1
R388
1k
8BORDER0
8BORDER1
8PWR_GATE
8COM_CTRL
8PWR_POS
8PWR_NEG
m
c o
PRS-505
2
8 9 9
8-V3
R385
0
8-15V
8+15V
(Page 20)
R386 CN302
TP344 TP345
0 39P
TP346
TP331 SDCLK
TP332 SDLE
TP333 SDOE
SDCE2
TP334 SDCE1
TP335 SDCE0
TP328 SD0
TP336 SD1
TP337 SD2
TP338 SD3
TP339 SD4
TP340 SD5
TP341 SD6
TP342 SD7
IIE1
TP343
INK
TP327
INDICATOR
ELEMENT
C314
0.1
GDOE
TP321
GDSP
GDCLK
TP325
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 20)
8-5V
R384
0
8BORDER0
8BORDER1
8PWR_GATE
8COM_CTRL
(Page 20)
8PWR_POS
8PWR_NEG
GND
(Page 20)
Note: When IC301 on the MAIN board is damaged, ex-
change the new MAIN board for the MAIN board
which IC damaged.