Sony VPL-PX20 Service Manual page 167

• Refer to page 9-32 for Printed Wiring Board
• Refer to page 9-35 for Waveforms
• Refer to page 9-35 for IC Block Diagrams
1
2
3
4
FLASH
CN3010
8P
WHT
:SMD
GND
TXD
RXD
RES
NC
VIN
FWR
MD1
MD2
5
A B
3.3V -1
5V -1
R3202 D3200 D3201
33k
DAN202K-T-146 DAN202K-T-146
:CHIP
R3201 IC3201
IC3202
10k
S-80842ANNP
R3203 S-80828ANNP
:CHIP
RESET 33k
RESET
:CHIP
OUT VSS OUT
VDD NC VDD
C3202 C3204
1 1
C3203 C3205
10V 0.1 10V 0.1
B:CHIP B:CHIP
25V 25V
B:CHIP B:CHIP
(P1,P2) CPU_RES
5V-1 3.3V-1
-1
5V -1 3.3V
C3211
6.3V
:AL-CP
FB3200
BK2125HM601 C3213
22
6.3V
:AL-CP
C3215
R3224
22
0
6.3V
:CHIP
:AL-CP
C3216
91 AVCC
0.01
B:CHIP
92 VREF
KEY0 R3301 1k :CHIP
93 AN0(/P40)
KEY1 R3302 1k :CHIP
94 AN1(/P41)
LAMP TEMP R3326 100 :CHIP
95 AN2(/P42)
PANEL TEMP R3327 100 :CHIP
96 AN3(/P43)
LAMP PROT
97 P44
FAN PROT1
98 P45
FAN CONT1 R3328 100 :CHIP
99 DA0(/P46)
FAN CONT2
R3329 100 :CHIP
100 DA1(/P47)
FIL. COVER
101 P90
LAMP COVER
102 P91
R3235 1k :CHIP
5V-2
103 AN10(/P92)
FAN PROT2
104 P93
P94
R3240 #
105 P94
R3237 R3236 #
10k 106 P95
P96 R3241 # :CHIP
107 AN14/P96
P97 R3242 #
108 AN15/P97
R3271 FB3201
100 BK2125HM601 109 AVSS
S/C RES :CHIP
110 P70
111 P71
JL3403 #
JL3404 # 112 P72
JL3405 # 113 P73
POWER PROT
114 P74
SCLK R3243 100 :CHIP
115 SCK3(/P75)
116 RXD3/P76
JL3322 #
R3245 100 :CHIP
SDAT
117 TXD3(/P77)
118 MD0
119 MD1
120 MD2
R3246
R3248
10k
10k
:CHIP
:CHIP
R3247
R3249 R3250 10k
D3310 :CHIP
10k 10k
RD5.6SB-T1 :CHIP :CHIP
1
JL3235 # R3251 100 :CHIP
2
JL3236 # R3252 100 :CHIP
3
JL3237 # R3253 100 :CHIP
4 CPU_RES (P1,P2)
5
R3262
JL3238 # R3254 100 :CHIP
2.2k
6 FWE (P2)
:CHIP
JL3239 # R3255 100 :CHIP
R3263
7
2.2k
JL3240 # R3256 100 :CHIP
:CHIP
8
R3330
2.2k
:CHIP
D3311 RD5.6SB-T1 R3331
2.2k
D3312 RD5.6SB-T1 :CHIP
D3313 RD5.6SB-T1
D3314 RD5.6SB-T1
D3315 RD5.6SB-T1
SCL400K TP3204
D3316 RD5.6SB-T1
3
SDA400K TP3205
D3317 SCL100K
TP3301
DAN202K-T-146 4
SDA100K TP3302
5
C
Y (2/3) Y (2/3)
Q3200
IC3203
2SA1213Y
M24C64-WMN
RES SW
IC3200 5V -1 EEPROM
TC7W08FU
R3324 AND
100
:CHIP C3200
0.1
25V
R3325 B:CHIP
JL3319 #
VSS Q3201
100
:CHIP 2SC2712-YG R3204
RES SW 1k
:CHIP
R3205
NC
47k
C3206 :CHIP
0.1
25V
B:CHIP
RESET (P3)
R3341
10
:CHIP
C3308
0.01
B:CHIP
R3206
200
(P2)
FWE :RN-CP
R3207
C3207
10k 0.1
:CHIP
25V
X3200
B:CHIP
C3212
12.288MHz
0.1
C3209 C3210 C3208
25V
10p
B:CHIP 10p 470p
22
C3214 CH:CHIP CH:CHIP CH:CHIP
R3214
0.1
25V 3k
:RN-CP
B:CHIP
90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
(/P36)
RXD4 60
SCL0(/P35) 59
SDA0(/P34) 58
SCL1(/P33) 57
VSS 56
SDA1(/P32) 55
PVCC2 54
RXD0(/P31) 53
TXD0(/P30) 52
PD7 51
PD6 50
PD5 49
PD4 48
PD3 47
IC3204 PD2 46
HD64F2633TE
MAIN CPU PD1 45
PVCC1 44
PD0 43
VSS 42
PE7 41
PE6 40
PE5 39
PE4 38
PE3 37
PE2 36
PE1 35
PE0 34
TIOCB2(/P17) 33
P16 32
TCLKC 31
(/P15)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
C3220
C3219
0.1
0.1
25V
25V B:CHIP
B:CHIP R3334
R3259 R3261
R3257 R3258
100 100 100
100 100
:CHIP :CHIP :CHIP
:CHIP :CHIP R3260
100
R3332 R3333 :CHIP
100 100
:CHIP :CHIP
9-34 9-34
D E
8 7 6 5
GND
1 2 3 4
TP3200
D+5V-1
R3217
R3216
2.2k
2.2k
:CHIP
:CHIP
JL3241 #
JL3242 #
R3227 100 :CHIP
SCL USB
R3228 100 :CHIP SDA USB
C3217
0.1
25V
JL3401 #
B:CHIP
JL3402 #
JL3210 #
R3232 100 :CHIP AUDIO MUTE
AUDIO CE
R3234 100 :CHIP
JL3213 #
JL3215 #
JL3217 #
R3340 100 :CHIP USB REQ
C3218
R3239
0.1
25V 100
OSD CS0
B:CHIP :CHIP
R3339 100 :CHIP PANEL LINK
R3338 100 :CHIP POWER ON
LAMP ON
R3337 100 :CHIP
POWER LED
R3303 330 :CHIP
TEMP LED
R3304 330 :CHIP
LAMP LED
R3305 330 :CHIP
P.SAVE LED
R3306 330 :CHIP
LIGHT ON
100 :CHIP
R3307
JL3323 #
GND
TP3201
COMM.BUS (P1,P3)
OSDC
CON-PANE
CTRL (P1)
SIRCS
SYNC
Y(2/3)
(MAIN CPU)
B-SS1696<08.>-Y..-P2
F
VPL-PX20/PX30
G H