B (5/6), S1, Ya, Yb - Sony PFM-42B2 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
IC2
3.3V
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
6/6 UART TX
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
OPEN
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-42B2/42B2E

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
12 11
DMP CLK 115
IC501
D/A
13
CONV
5
Q506
6
17 7
16 12
DAC CS 16 15 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
X500
32.768kHz
60 UART RX IC500
2 3 OSCI 9
63 RTC CS 14 7
UART SW CE
PI AGC 40
Y SW 41
SYNC SEL 43
YUV/VIDEO 38
71 RES
74 FWE
119 MD1
G C/O SW 89
120 MD2
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
PCG CLK 113
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
SDA(RX) 52
SDA(TX) 53 2 3
IC516
BUFFER
SCL 55 5 6
2 3
IC514
BUFFER
5 6
8 12
LUMI SW 86
2 18
APC SW 85
IC502
2 18 IC209
V MUTE 46
PDP-IRQ 51
IC507
11 9 IC515
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
1 SOURCE
Q502
B (5/6), S1, YA, YB
S1
STBY
CN6102(3/3)
5V
IC1501
IC1502
A7 MATRIX
TEMP 3 1
A8 HD YPBPR
B1 BOARD
SENSOR
CN6101(2/2)
A10 CP.P
A6 COL
VIDEO RGB 1/6,2/6 S1
RGB1/RGB2 1/6,2/6
STBY
5V
IC1501
RGB3 1/6,2/6
IC1502
TEMP 3 1
SENSOR
A MUTE 2/6
DMP RX 6/6
S1
DMP TX 6/6
STBY
5V
IC1501
IC1502
DMP CLK 6/6
TEMP 3 1
SENSOR
Y GAIN 1/6
R-Y GAIN 1/6
S1
B-Y GAIN 1/6
STBY
S SEP BIAS 1/6
5V
IC1501
SHP 4/6
IC1502
3 1
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
CLOCK OPEN
2
PIC AGC SW 1/6
Y SW 1/6 CN109
SYNC SEL 1/6
A TEMP 11
YUV/VIDEO 1/6
P TEMP1 2
P TEMP2 5
G CUT OFF SW 4/6 P TEMP3 8
VID SEL1 3/6
YB
VID SEL2 3/6
STBY
5V
2D/3D 1/6 S8601 MENU CN110
THERM1 4
APS-179
X56 1/6,3/6,4/6
S8602 UP BOARD VA SENCE 6
AFC SW 1/6
CN9003
VS SENCE 8
C/T 4/6 S8603 DOWN
L1/L2 4/6
ON/OFF 4/6 S8604 ENTER CN8001(1/2)
CN8601
2 KEY SENSE KEY SENSE 9
PXI 4/6
AD DOWN 6/6
YA
STBY
5V
PW RES 6/6 D8503
CN8501
POWER
PCG DATA 6/6 3 LED RED LED RED 3
RED
PCG CLK 6/6
D8504
SW15/33 6/6 POWER
4 LED GREEN LED GREEN 4
GREEN
MV SW 6/6
OSD CS 6/6 S8501
OSD RES 6/6 POWER 5 POWER POWER 5
IC8501
REMOTE
DPLD CS 6/6 3 CONTROL 1 6 SIRCS SIRCS 6
RECEIVER
OP CTL1 1/6
OP CTL2 2/6
SDA 3/6
SCL 3/6
V MUTE 6/6
6-5 6-5
CN1501
2 THERMO
CN1501
2 THERMO
CN1501
2 THERMO
CN1501
2 THERMO
IC509(2/2)
MAIN CPU
FAN LIMIT(AD) 102
101 AMBIENT TEMP(AD)
97 PANEL TEMP1(AD)
98 PANEL TEMP2(AD)
99 PANEL TEMP3(AD) 12V
CN112
FAN DRV
SWITCH 1 FAN DRV
Q702 F1
2 FAN 1
4 FAN DRV
F2
5 FAN 2
IC703
FAN DRV
5 7
FAN DRV(PWM) 9 CONT
103
PS TEMP Q700,701
7 FAN DRV
94 70V SENS(AD)
F3
8 FAN 3
93 180V SENS(AD)
F1
FAN1 104 10 FAN DRV
F2 F4
FAN2 105 11 FAN 4
F3
FAN3 106
99 KEY(AD)
F4
FAN4 107
Q8002
20 LED RED
Q507 CN801
3 FAN 7
FAN7 111
Q8001
19 LED GREEN
IC8001
2 6
17 KEY POWER
IC8001
5 3
18 SIRCS
CN107
4 SDA
2 SCL
7 IRQ
5 CPU-G0
6 PDP-G0 MODE2
CN110
7 26V ON
FAN 1(X-SUS)
FAN 2(REGULATOR RIGHT 1ST)
FAN 3(REGULATOR LEFT 2ND)
FAN 4(Y-SUS)
FAN 7
LOGIC BLOCK
CN1
APS-179 BOARD
CN9003