B (5/6), S1, Ya, Yb - Sony PFM-42B1 Service Manual

B
(5/6)
(MAIN CPU)
IC6 IC3
9V 3.3V
13.5V 9V D5V 3.3V-2
REG REG
IC4 IC831
5V 2.5V
6V 5V-3 2.5V
REG REG
IC7
3.3V IC2
3.3V-3
REG
2.5V
2.5V
REG
IC1
3.3V
STBY 5V 3.3V
REG
IC502
13 7
6/6 UART RX
5 15
UART TX
6/6
IC503
RS-232 I/F
IC506
MISO 2 3
13 R1I R1O 12
J9201
1
REMOTE
(RS-232C)
IC506
MOSI 6 5
14 T1O T1I 11
4
CN105 IC505 IC506
9 8 8 9
RXD(RS232) 2
8 R2I R2O 9
10 10
PWM
CONTROL
IC505 IC506
11 12 12 11
TXD(RS232) 1 7 T2O T2I 10
13 13
CN104 IC505
5 6
RXD(5V) 3
4
IC505
3 2
TXD(5V) 2
1
CONTROL 9
4
RES
FWR 6
MD1 7
MD2 8
IC6909
12 11
13
+5V
Q6909
5 6
4 X501
12.288MHz
2 1
3
Q6610
+5V
S1
1/6 RGB H
1/6 H POL
1/6 V POL
IC508
5 6
1/6,6/6 SYS HS
IC508
3 4
1/6,6/6 SYS HS
IC508
1 2
6/6 V BLK
1/6 OP SENS
5V
IC513
2 RESET 1
5V
IC512
RESET
2 1
PFM-42B1, PFM-42B1E

B (5/6), S1, YA, YB

IC509(1/2)
MAIN CPU
IC507
8 12
MATRIX 1
15 5
HD YPBPR 2
IC507
17 3
VID/RGB 3
2 10
RGB1/RGB2 4
6 14
RGB3 6
13 7
A MUTE 45
IC500
8 9 16 4
DMP RX 116
10
5 6 6
DMP TX 117
4
12 11
DMP CLK 115
13 IC501
Q506 D/A
13
CONV
5
6
17 7
16 12
15
DAC CS 16 4
19
18
3
23 PA2/RXD2(FWR)
2
8
9
22 PA1/TXD2(FWR) IC504
CLOCK
2 SCK 32k OUT 1
4 SI
61 UART TX 3 SO
OSCO 8
RTC IRQ 90 6 INTR
60 UART RX IC500
2 3 OSCI 9
63 7
UART SW RTC CS 14 CE
PI AGC 40
Y SW 41
SYNC SEL 43
YUV/VIDEO 38
71 RES
74 FWE
119 MD1
SDA(RX) 52
120 MD2
SDA(TX) 53
SCL 55
VID SEL1 37
VID SEL2 36
75 XTAL
2D/3D 39
IC502
77
EXTAL 8 12
50/60 34
AFC SW 50
CC(C/T) 64
CC(L1/L2) 65
CC(ON/OFF) 66
IC502
11 9
PXI 35
IC507
4 16
AD PDWN 47
IC502
88 RGB H
6 14
PW RESET 62
PCG DATA 114
84 H POL
113
PCG CLK
82 V POL
SW15/33 28
MV SW 49
29 H SYNC OSD CS 15
OSD RES 27
33 V SYNC
D515 D516 IC502
17 3
30 V BLK DISPLAY PLD CSL 12
OP CS
112
100 OP SENSE (AD)
OPTION CTL1 8
OPTION CTL2 12
IC209
8 12
LUMI SW 86
2 18
APC SW 85
IC502
2 18
V MUTE 46
PANEL MUTE 51
IC507
11 9
POWER 48
IC511
EEPROM
87 D5 IRQ EEP SDA(RX) 57
EEP SDA(TX) 58 5 SDA
EEP SCL 59 6 SCL
5V
WDTOVF 67 REG
8 VCC
Q503
IC510
2
CURRENT
4
SOURCE
1
Q502
B (5/6), S1, YA, YB
STBY
CN6102(3/3)
5V
IC1501
A7 MATRIX
TEMP
A8 HD YPBPR B1 BOARD
SENSOR
CN6101(2/2)
A10 CP.P
A6 COL
VIDEO RGB 1/6,2/6
RGB1/RGB2 1/6,2/6
STBY
5V
IC1501
RGB3 1/6,2/6
TEMP
SENSOR
A MUTE 2/6
DMP RX 6/6
DMP TX 6/6
STBY
5V
IC1501
DMP CLK 6/6
TEMP
SENSOR
Y GAIN 1/6
R-Y GAIN 1/6
B-Y GAIN 1/6
STBY
S SEP BIAS
1/6
5V
IC1501
SHP 4/6
TEMP
BRT 4/6
SENSOR
PIC 4/6
HUE 4/6
COL 4/6
R CUT OFF
4/6
B CUT OFF 4/6
CN111
2 CLOCK
X500
32.768kHz
PIC AGC SW 1/6
Y SW 1/6
SYNC SEL 1/6
YUV/VIDEO 1/6
SDA 3/6
SCL 3/6
VID SEL1 3/6
VID SEL2 3/6
2D/3D 1/6
X56 1/6,3/6,4/6
YB
AFC SW 1/6
STBY
5V
C/T 4/6 S8601 MENU
L1/L2 4/6
T BOARD
UP
ON/OFF 4/6 S8602
CN9003
PXI 4/6
S8603 DOWN
AD DOWN 6/6
S8604 ENTER
CN8601
2 KEY SENSE
PW RES 6/6
PCG DATA
6/6
PCG CLK 6/6
STBY YA
SW15/33 6/6 5V
D8503 CN8501
MV SW 6/6
POWER
3 LED RED
OSD CS 6/6 RED
OSD RES 6/6
D8504
POWER
4 LED GREEN
GREEN
DPLD CS 6/6 S8501
POWER
5 POWER
IC8501
REMOTE
OP CTL1 1/6
CONTROL
3 1 6 SIRCS
OP CTL2 2/6
RECEIVER
MODE1 6/6
MODE2 6/6
V MUTE 6/6
PANEL MUTE 6/6
7-5 7-5
S1
CN1501
IC1502
3 1
2 THERMO
S1
CN1501
IC1502
3 1
2 THERMO
S1
CN1501
IC1502
3 1
2 THERMO
S1
CN1501
IC1502
3 1
2 THERMO
IC509(2/2)
MAIN CPU
FAN LIMIT(AD) 102
CN109
A TEMP 11 101 AMBIENT TEMP(AD)
P TEMP1 2 97 PANEL TEMP1(AD)
P TEMP2 5 98 PANEL TEMP2(AD)
12V
P TEMP3 8 99 PANEL TEMP3(AD)
FAN DRV
SWITCH
Q702
IC703
FAN DRV
5 7
FAN DRV(PWM) 9 CONT
Q700,701
CN110 F1
FAN1 104
THERM1 4 103 PS TEMP
F2
FAN2 105
VA SENCE 6 94 70V SENS(AD) F3
FAN3 106
VS SENCE 8
93 180V SENS(AD) F4
FAN4 107
F5
FAN5 108
CN8001(1/2)
KEY SENSE 9 99 KEY(AD)
FAN6 110
FAN7 111
Q8002
LED RED 3 20
LED RED
Q8001
LED GREEN 4
19 LED GREEN
IC8001
2 6
POWER 5 17 KEY POWER
IC8001
5 3
SIRCS 6 18 SIRCS
CN112
1 FAN DRV
FAN 1
F1
2 FAN 1
4 FAN DRV
FAN 2
F2
5 FAN 2
7 FAN DRV
FAN 3
F3
8 FAN 3
10 FAN DRV
FAN 4
F4
11 FAN 4
13 FAN DRV
FAN 5
F5
14 FAN 5
CN8001(2/2)
11 FAN DRV
FAN 6
12 FAN 6
CN801
3 FAN 7 FAN 7
CN106
T BOARD
15
STBY
CN9002