Sony PCS-G70N Service Manual page 192

Video communication system
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1
(System ON/OFF)
2
CN202
1
SYS_ON
2
SYS_ON(R)
4
D_GND
D_GND
3
C201
0.001uF
CN201
(6A Line)
50V
1
+19.5V
2
+19.5V
C202
3
+19.5V
0.1uF
50V
4
+19.5V_RET
5
+19.5V_RET
6
+19.5V_RET
8
7
4
D_GND
(Rush Current protect)
5
A
B
STBY_3.3V
STBY_3.3V
R201
R216
10k
10k
xPOWER_OFF
003
Q203
DTC144EE-TL
C203
3
0.1uF
D_GND
D_GND
D_GND
001
SPFAN_FORCE_ON
A2_19.5V
(3A Line)
4.7k R222
R207
4.7k
4.7k R223
R208
4.7k
4.7k R224
R209
4.7k
4.7k R225
R210
4.7k
4.7k R226
R211
4.7k
Q205
SI4425DY-T1
R213
10k
R215
4.7k
Q202
DTC144EE-TL
D_GND
A1_19.5V
R227
10
(3A Line)
4.7k R217
R202
4.7k
4.7k R218
R203
4.7k
4.7k R219
R204
4.7k
4.7k R220
Q206
R205
4.7k
4.7k R221
2SA1611T1-M5M6
R206
4.7k
R230
(3A Line)
680
R233
Q207
220k
2SA1611T1-M5M6
Q204
R232
SI4425DY-T1
220k
R212
R231
10k
10k
Q208
R214
R228
4.7k
39k
DTC144EE-TL
(2.495V)
1
D_GND
2
C204
Q210
0.1uF
DTC144EE-TL
D_GND
R229
Q201
C224
D_GND
10k
3
10uF
DTC144EE-TL
R267
6.3V
3.3k
D_GND
D_GND
D_GND
D_GND
IC201
TL431CPK-E2
D_GND
002
SHUT_DOWN
C
PS-686 (2/3)
PS-686 (2/3)
(Thermo Sensor)
D1_3.3V
D1_3.3V
47/52[deg C]
D1_3.3V
R239
R240
10k
10k
FB201
IC202
CL203
C206
1.0
4.7uF
CL202
LM56CIMX
1.0
R235
15k
8
D_GND
IC204
3
V+
7
VT1
OUT1
(1/7)
D_GND
R236
560
2
6
TC74VHC14FT(EL)
VT2
OUT2
1
2
CL201
1.0
R237
12k
C205
1
5
VREF
VTEMP
0.1uF
D_GND
GND
NM
R238
4
18k
TC74VHC00FT(EL)
D_GND
5
4
R268
Q212
10k
DTC144EE-TL
D_GND
D_GND
R244
1k
IC203
TL431CPK-E2
R241
R242
3.3k
3.3k
1
2
C207
0.1uF
3
R234
D_GND
220k
D_GND
Q211
D1_3.3V
DTC144EE-TL
D_GND
Q209
DTC144EE-TL
001
CAM_POWER_ON
DTC144EE-TL
7-56
7-56
D
E
D1_3.3V
Q222
DTA144EE-TL
NM
D1_3.3V
Q218
DTC144EE-TL
D1_5V
FMMT717TA
R261
1
R269
10k
R262
1
NM
C213
0.1uF
D_GND
Q216
D_GND
R255
D_GND
100k
FMMT717TA
FB202
R257
1
R258
1
R256
R259
1
1k
1k
R263
C209
R260
1
R246
D1_3.3V
0.1uF
R251
10k
1k
2SC4177-T1L5L6
SL201
D_GND
D1_3.3V
R270
C218
Q217
Q223
SC
220k
D_GND
0.22uF
DTC144EE-TL
R264
Q214
D_GND
1M
R271
DTC144EE-TL
100k
R265
IC204
C222
(6/7)
C220
D_GND
0.1uF
D203
TC74VHC14FT(EL)
1uF
D_GND
3
4
Q219
D_GND
2
9
DTC144EE-TL
D_GND
IC204
12
8
Q220
IC205
11
10
(2/7)
(2/5)
13
TC74VHC14FT(EL)
DTC144EE-TL
IC205
IC205
(3/5)
(4/5)
TC74VHC00FT(EL)
D_GND
6
TC74VHC00FT(EL)
1
IC205
3
5
6
2
(1/5)
TC74VHC00FT(EL)
R243
R250
1k
220k
IC204
C210
(3/7)
1uF
TC74VHC14FT(EL)
IC204
(7/7)
IC205
(5/5)
TC74VHC14FT(EL)
D_GND
TC74VHC00FT(EL)
D1_3.3V
D1_3.3V
FANSP_xTEMP_ALERT
001
C217
C219
VCC
VCC
GND
GND
0.1uF
0.1uF
D_GND
D_GND
(RTC/SRAM Backup)
STBY_3.3V
D201
[to P 1,2]
R253
MA721WA-TX
3.3k
3
1
2
BUP_3.3V
C208
R248
C211
C214
0.001uF
15k
NM
0.001uF
10uF
NM
6.3V
R249
D_GND
47k
D_GND
D_GND
Q215
2SA1611T1-M5M6
R245
R252
R254
1
C216
100
100
0.1uF
R247
1k
C212
C215
D_GND
1F
1F
5.5V
5.5V
D_GND
D_GND
Q213
D_GND
F
CN204
Q221
+5V
1
C223
NM
ALARM
2
0.1uF
GND
3
4 5
D_GND
CN203
+5V
1
ALARM
2
GND
3
C221
0.1uF
4 5
D_GND
D_GND
IC204
(5/7)
TC74VHC14FT(EL)
11
10
FANSP_xFAN_STOP
001
R266
1k
1k
IC204
(4/7)
D1_3.3V
TC74VHC14FT(EL)
3
MA133-TX
9
8
1
D_GND
SHUT_DOWN
002
Fan Control
PS-686 (2/3)
BOARD NO. 1-864-979-11, 12
NMX-170_PS-686_013_2
PCS-G70N/G70NP/G70NP2
PCS-G70S/G70SP
G
H

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