Sony Trinitron HMD-A240R Service Manual page 16

BLOCK DIAGRAM (2/2)
CN701
8P
4 6
CY4- 10
9 7
SCONV OUT
CY4+ 9
3
IC703
CY3- 8
1
CY3+ 7
6
CY2-
2
6
CY2+ 5
DCONV OUT
5
CY1- 4
IC702
1
CY1+ 3
ROTATION- 2 3 4
1
ROTATION+
4
ROTATION
2
IC502
CN902
FROM
1
H RTRC Q525
V RTRC 2 3
46
CBLK 3
22
BPCLP 4
36
IIC SCL 5
GND 6
CONNECTOR TO A BOARD
37
15PIN D-SUB 7
IIC SDA
CN309
28
CSYNC 8
10 RESET 54
SIGNAL IN
5 15
IC904
CN903
33
HOST GND1
4 14 1
34
DDC SDA1
8 2
35
3 13 DDC SCL1
3
7
HOST 5V /STBY 5V 4 STBY +5V
IC906
2 12
GND 5 SYNC INV.
EPROM
6
30
HSYNC 6
1 11
20
VSYNC 7
IC908
CN801 CN904
STBY +5V 5 STBY 5V 5 STBY +5V
FRONT PANEL
4 GND 4
15
KEY
3 3
48
LED RED
S801 2 2
47
LED GRN
1 1
MENU
UP
CN901
LEFT
DGND 1
RIGHT
STBY +5V 2 STBY +5V
38
RXD 3
DOWN
39
TXD 4
STBY +5V
DEGAUSS
+12V
Q601
1
DGC2
2
NC
DGC
NC 3
DGC1 4
LFT
LF602
CN600
AC IN
CN602
THP600 2
THP600A 1
PHOTOCOUPLER
RCC CONTROL
IC603
CONV-CONTROL
IC701
9 V-STATICOUT
V.REF 13
8 H-STATICOUT
IN
6 V-CONVOUT
2
7 V-SIN
H-CONVOUT
3
VPOSIN
16
SDA
14
17 HD.IN
SCL
V.REF OUT
5
27
3 V.DIV
SDA
4
SCL
ROTATION 23
EPROM
V-REF
CBLANK
IC905
BPCLAMP
DEF. CONTROL
CLK
IC902
DATA
C-SYNC
RESET
CPU
PCI
23 2
LOCK LOCK
DDCSCL IC901
25
DDCSDA V RTRC
26 28
V-OUT V-IN
26
27
H-OUT H-IN
H-SYNC
32
HFB
V-SYNC
SYNC LOCK
Q522,Q524
18
PB1
PB4 4
DA3
PA5
PA6
5
DA4
16
PB3
6
REMOTE ON/OFF
RXD
TXD DEGAUSS S0-S4
SRT
49-53
7 T601
TO S-CAP
CHANGE
SW-REG CONT
SW-REG
4
DRIVE
IC601 OUT
5 Q602
ISENSE
VIN VCNTRL
OOB
14
1 9
12V
12V
AC-RECT
D601
1
3
ERROR AMP
IC604
PROTECT
Q604
12V
CN607
5P
10
V.SIN
V-OUT
7
+IN
IC401 5
OUT
1
8
V.SAW -IN
B4+
H-REG 20
B1O PWM-CONT
Q520
IC501
H-DRIVE
17
H.OUT
12
H.DRIVE
V. DEF
Q903,Q501,Q502
14
H.FLY
180V
80V
BUFF
15V
Q505
1
HEATER HEATER
SW REG
Q603 IC602
4
-15V
STBY CNTRL
Q605
5V,12V REG
OUT +12V
+15V
IN1,2
IC605,608
+5V
OUT
5V REG
5V DISABLE
IC607
— 16 —
HST
T505
BUFFER
Q521
3 12
T501
HV-REG
OP2+ 18
B3O
Q503
19
HV-OUT
B2O
Q510
PH2 REF
8 4 13 HDT
T504
H.OUT
H.DRIVE OUT
Q507
Q511
L503
H OUT
Q508
TO CN901
H OUT
PIN 1 Q525
DFT
LCT
T503
SWITCH T506
Q519
V DF-AMP
Q504
S-CAP CHANGE
Q512,Q513,Q514
CN1001
S1001
5P
STBY ON 1
2
4
STBY CNT 2
6
STBY OFF
3
1
3
ON
MAIN 4
5
MAIN CNT 5
(POWER SWITCH)
HMD-A240R
CN510
1 -33V
TO A BOARD
CN306
FBT
HV
TO CRT
RV501
TO A BOARD
SV
CN301
CN501
6 H DY+
5 NC
4 H DY-
3 NC
2 V DY-
1 V DY+
TO A BOARD
CN304
CN606
1 +180V
+180V
2 NC
3
+80V +80V
4
GND
5 H1
+12V 6 +12V
7 GND
8
+5V +5V
9
STBY +5V STBY +5V
)
(
POWER
CONVERGENCE
9-978-992-01<17VC>BLK 2OF2