Sony PFM-42B2 Service Manual page 101
Flat panel monitor
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Also See for PFM-42B2:
- Brochure & specs (6 pages) ,
- Dimensions (1 page) ,
- Operating instructions manual (294 pages)
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CN61
F101
AC IN
1
LF101,102
LINE
FILTER
3
D105
APS-179
(SWITCHING REGURATOR)
PFM-42B2/42B2E
+B
THP101-103
THERMO
DETECT
D104
Q109
D106
D109
IC104
D126
5V CONTROL
SWITCHING
RY103
D103
Q100-102
OUT
SW
5
+B
Q106
12
IC302(2/4)
14
8
CS
IS(+)
3
OVP
13
VOLTAGE
DETECT
VCC
6
IC303
Q302
SHUNT
REG.
FB
2
+B
VOLTAGE
DETECT
Q308
SW
ENA
10
Q305
IC101
26V CONTROL
DRIVE
OUT
6
IAC
16
Q303,306
8
VRMS
OUT1
7
VSENSE
11
5
BUFF
7
IC302(1/4)
OUT2
10
PK LMT
2
Q304
PFC OVP
RV301
+B
SW
PFC ADJ
4
V IN
Cs
3
Q103
10
RV101
SW
8
+
CA OUT
3
SW
9
Q307
—
RT
1
14
Q309,310
IC302 (4/4)
f. MIN ADJ
IC301
PFC CONTROL
ON/OFF
5
OVP
6
IC102
13.5V CONTROL
OUT1
7
OUT2
10
4 V IN
Cs
3
RT
14
1
OVP
6
ON/OFF
5
IC150
12V/5V CONTROL
OUT1
7
OUT2
10
4 V IN
Cs
3
RT
14
1
OVP
6
ON/OFF
5
IC901
VS CONTROL
7
OUT1
OUT2
10
SW
Cs
4 V IN
3
Q301
RT
14
1
ON/OFF
5
OVP
6
IC950
VA CONTROL
OUT1
7
OUT2
10
4 V IN
Cs
3
RT
14
1
ON/OFF
5
OVP
6
APS-179
APS-179
T101
D211
D124
SWITCHING
REG
+B
Q115
Q116
RV203
5V ADJ
D114
VCC SW
Q105
PH110
2
1
—
PHOTO
3
IC204
+
COUPLER
SHUNT REG
IC209 (1/2)
+5V
PH108
OVP
PHOTO
Q212
COUPLER
+B
THERMO
PH109
BUFF
DETECT
PHOTO
Q204
THP104
Q114
COUPLER
D202
T102
T104
SWITCHING
Q107
SWITCHING
Q108
RV201
+26V ADJ
PH102
IC203
PHOTO
SHUNT
COUPLER
REG.
PH111
SW
PHOTO
Q210
COUPLER
PH107
SW
PHOTO
Q202
COUPLER
Q104
PH101
PHOTO
COUPLER
D207
T106
IC201
T105
+6V REG
SWITCHING
Q112
D206,222
SWITCHING
Q113
RV202
+13.5V ADJ
PH104
2
1
—
PHOTO
3
+
D201
COUPLER
D215
D214
RV102
IC207(2/4)
IC207 (1/4)
f. MIN ADJ
+13.5V
LVP
PH106
6
—
SW
7
PHOTO
5
Q201
+
COUPLER
D213-1
D217
IC207(3/4)
OVP
10
8
+
9
—
D213-2
D250
T102
T103
SWITCHING
Q153
D203
IC206
+12V
SWITCHING
+12V REG
D227-2
Q154
RV270
+5V ADJ
13
PH105
14
—
PHOTO
12
+
COUPLER
RV150
IC207(4/4)
f. MIN ADJ
+5V
D401
T502
T501
SWITCHING
Q501,503
SWITCHING
IC801(1/2)
D411
Q502,504
D801
OCP
5
+
7
RV801
6
—
VS ADJ
IC801(2/2)
VS
PH901
2
1
—
PHOTO
3
+
COUPLER
RV901
IC803(1/4)
VSA
f. MIN ADJ
PH902
—
SW
1
PHOTO
Q801
+
COUPLER
D806
IC803(2/4)
D205
LVP
PH903
—
SW
14
PHOTO
Q802
+
COUPLER
D804
D805
IC803(3/4)
OVP
+
8
+12V
—
D802
SW
SW
Q804
Q803
D601
T702
T701
SWITCHING
RV860
Q703
VA ADJ
SWITCHING
IC860(1/4)
IC860(3/4,4/4)
Q704
D860
OCP
VIAA
12
9
+
—
14
7
13
10
—
+
IC860(2/4)
RV861
VA
PH950
2
VIAA ADJ
1
—
PHOTO
3
+
COUPLER
RV950
f. MIN ADJ
D861
SW
+12V
Q860
6-7
6-7
IC211
IC209(2/2)
SHUNT REG
THERMO2
IC212
+3.3V REG
IC208(1/2)
Q211
26V GO
6
—
7
5
+
D226
Q220,221
3
1
+
2
—
IC208(2/2)
Q207
VCE GO
D225
Q205,206
D209
L203
L201
D223-1
D223-2
D224-1
D224-2
IC210
D403
VPR2 REG
IC205
+12V
SHUNT REG
D227-1
SW
STBY 5V
Q208
SW
Q406,407
IC804(1/2)
VRS
D809
3
+
1
2
—
2
SW
RV802
Q408,409
3
VRS ADJ
D810
13
12
D864
D811
10
9
D865
IC802
SHUNT REG
+12V
SW
Q602,603
IC804(2/2)
VRA
D863
5
+
7
6
—
RV803
IC861
VRA ADJ
SHUNT REG
+12V
CN9002
1
STBY5V
5
THERMO2
TO B BOARD
CN106
6,7
D3.3V
10,11
D5V
CN9003(1/2)
5
THERMO1
1,2
26V
TO B BOARD
CN110
8
26V ON
CN7(1/2)
VCEGO
8
PFCGO
10
TO LOGIC
CN7
6
VSAGO
CN9001
A6V
3,4
9,10
A13V
TO B BOARD
CN110
7,8
A13.5V
CN9004
AUDIO+12
8
5
NC
AUDIO—12
CN6
1
VPR2
NC
VCC
6
CN23
VCC
3
VA
1
TO X-SUS BOARD
VS
CN23
8,9,
10
CN33
VCC
1
TO Y-SUS BOARD
VS
CN33
7,8,9
CN9003(2/2)
VS SENCE
9
TO B BOARD
7
VA SENCE
CN110
CN7(2/2)
VSK
20
14
VRS
TO LOGIC
18
VAK
CN7
16
LAK
VRA
12
CN42
7
VCC
TO ABUS-R BOARD
VA
1
CN52
CN52
7
VCC
TO ABUS-L BOARD
1
VA
CN42
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