Sony KE-P42MRX1 Service Manual page 33

IC3304
5V REG
7
VIN VOUT
5 CONT
CN3304
1
3.3v +3.3V
3.3V 2
5 +12V
12V
6
STBY_6V
POWER_ON 8
H
9
PANEL_ON
TO G BOARD
CN1007 10
CONV_DEP
G_PROT 11
12
AC_DET
P0
P1
8
P2
TO
P3
1/2
SCL
SDA
CN3306
1
PANEL
3
HIC
HIC2 5
3
CN3301 TO 1/2
SPDIF
3
SPDIF
Q3304
F SDA 6
LEVEL
TO K BOARD 7
SCL SHIFT
CN3001
8
AU_PROT
AU_MUTE 9
10
AU_RES
IC3308
D/A CONVERTER
CN3302
SIRCS
2
SIRCS
E 4 2 A011
MUTE A02
5
TO R1 BOARD TIMER 2 3 A03 A012
CN701
6
TIMER 1 4 A04
POWER 7 5 A05 A07
8 A09
STBY 6 A06
9 A010
STBY 5V 1 A01
SDA SDA
20 21
CN3303
LOGO
2
F STBY 5V
1 +5V
TO R2 BOARD
Q3305,33306
CN751
SW
IC3305
3.3V REG
CN3305
2 3 1 +12V
DRV VOUT VIN
DRV 4 CONT 2
TO FAN 6
DRV
8
DRV
DRV LOW 10
12
DRV LOW
DEM (2/2)
(FPGA,MCU,CPU)
IC3305
3.3V REG
7
1 VIN VOUT 1 +3.3V
5 CONT
TO 1/2
2
IC3301
OR
2
84
PANEL ON 7 PANEL ON
3
82 AC SW
6
POWER ON 3
5
83
POWER ON
IC3306
IC3112(2/2)
I/O EX
5
+5V 3
30 TEST
6
4 I/O00 I/O07 20
PD3
7 9 TO 1/2
I/O03 I/O13 16
SCDT
6 I/O02 I/O15 18
7
TO 1/2
PD2
5 I/O01 I/O12 15
PD1
I/O04 I/O11
8 14
4
PD0 TO 1/2
9 I/O05 I/O09 13
WP
5
10 I/O06 I/O16 19 TO 1/2
SCDT
11 I/O10
I/O07 17
INT 1
22
22 SCL
23 SDA
14 THERMO PANEL
15 THERMO H1C
13 THERMO HIC2
+3.3V +3.3V
Q3106,3107
SDA
SCL
IC3351
EEPROM
47
SCL2O
Q3351
48
6 SCL2I
SCL
+3.3V
48
SDA 5 SDA2I
46 SDA20
7 42 NVM WP
WP
11
12
7
SEL0
9
SEL1 6 TO 1/2
10
Q3303
SDA
LEVEL
SCL
SHIFT
57 LED ON
IC3401
PANEL MCU
IC3403
FLASH MEMORY
1 9
1-4 A0
103-109 A1-A20 48
A0-A18
111-118 16-25
A18
D0
29-36
D0-D15
D0-D15 85-100 38-45
D15
11
WE
RY/BY 40 15 RY/BY
RES
28 OE
26
CE
IC3405
BUS SW
2-7
A1-A20
9-14
1B1-1B8
2B1-2B6
81 16 2A3
AS
RD 70 18 2A4
WR0 19
71 2A5
WR1 72 20 2A6
2B3
CS1 59 21 2A7
MCLK 79 22
2A8
2B8
CS0 58
47 1OE
48 2OE
IC3406
BUS SW
2-7
D0-D15
1B1-1B8
9-14
18-20 2B1-2B6
BUS-SW 41 48
1OE
49 2OE
CLS 68
PLLBP 67
P-ALARM 33 10
TO 1/2
XO 54
X3401
10.5MHz
XI 53
TXD0
26
SO0
TXD1
SO1 29
RXD0
SI0 25
RXD1
1
TO 2/2
SI1 28
MODE
SW-1 80
DET
CABLE DET 21
RESET
RESET 22
IC3402
RESET
30 VOUT
S3351
SW
TEST 27
SW-4 69
SW-3 78
12C_EN 37
- 33 -
11
IC3501(1/2)
CPU
371
CPUA0
396-398
34-40
CPUA0-12 423-425
42-46
452,453
478-480 CPUA12
CPUCS-X
33 445
31 392 CPURD-X
30 418 CPUWR0-X
29 472 CPUWR1-X
28 444 CPUAS-X
27 391 CPUCLK-X
393,395 CPUD0
29-31
419-422
33-40 CPUD0-15
446-450
42-46
473-477 CPUD15
54 CL_X
27 PLLBP