Sony HMD-A230 Service Manual page 21

H1
(USER CONTROL, LED)
CN1001 CN904
6
1 STBY 5V STBY 5V STBY 5V
2 GND GND 5
3
S1007,1003 KEY KEY 4
KEY MATRIX
4 LED RED LED RED 3
5 LED GRN LED GREEN 2
D1005
CN901
1
D GND
STBY +5V 2 STBY 5V
RXD 3
TXD 4
CN902
1
HRTRC
VRTRC 2
CBLK 3
TO D
BPCLP 4
A BOARD
IICSCL 5
CN309
GND 6
IISDA 7
CSYNC 8
BUFF
+5V
Q901
+12V
IC904 RESET
STBY
5 VCC OUT 4
+5V
IC905 EEPROM
8 VCC
5 SDA WC 7
6 SCL
RY601
RELAY
+12V DRIVE
Q601
CN601
DGC 2 1
DGC NC 2
NC 3
DGC 1 4
TH601
LF602
S601 D601
CN600 F601 LFT
AC RECT
L 4 3
G
AC IN
N 1 2
TH600
CN602
THP600A 2
THP600 1
D609
CN606
+180V 1 +180V
NC 2
+80V 3 +80V
C GND 4
TO
A BOARD H1 5
CN304
+12V 6 +12V
GND 7
+5V 8 +5V-4
SRBY +5V 9 STBY +5V
IC602
HEATER OUT
CTL 1
4 OUT
VCC 2
VADJ 5
IC901 CPU
IC902 DEF CONTR0L
15 PB4
48 PA5
47 PA6
OSC OUT 44
29 X5
X901
X902
24MHz
OSC IN 45
38 RDI
39 TDO
25 PD3
H OUT
3 SDA
4 SCL
26 VSD
46 CBLK
HSO 27 26
22 CLP H IN
H FLY
36 SCL
28 V IN
37 SDA
V SAW
V SIN
V DIV
LOCK
12 PB7
13 PB6 ITA 23
28 CSI
HFB 32
DA3 4
PFV 19
PB1 18
54
RESET
PA0 49
PA4 53
9
DA8
PB3 16
7
DA6
DA1 2
6 DA5 DA2 3
D612
D613
REG SW
T601
SRT
D611
7 10
D628
D617
IC601 11
6
SW REG CONT
12
5 D618
1 V IN
13
IC607
POWER
4 +5V REG
DRIVER 4 SWITCHING
14 OOB D614
Q602
14
S602 I
9 VCRL I SENSE 5
D622
15
D620
7
8 IREF DS
16
V AUX 6
1
11 GND DEM 13
17
2
IC603 18
9
4 1
4
D605
3
2 OVP/OCP
I
Q604
D619
IC605
+12V REG
3 1
IC604 ERROR AMP
T505
HST
2
1
T503
RV502
DFT
BUFF DF AMP 6 4 D530
V DF 12
Q505 Q504 D531
S0-S4
S-CAP CHANGE
Q512-516
8 2
L510
HCC
E/W 9
T504
HDT
H DRIVE
4 6
H AMP H DRIVE H OUT
17 OUT
Q501,502 Q507
Q903
Q511
1 8
H BLK
14
BUFF
Q508
IC401 V OUT
8 1 -IN OUT 5
7 +IN FB 3
10
27
SYNC LOCK
2
Q522, 524
D517
S0-S4
H FLY
BUFF
Q525
Q603
+180V T602
SRT
1 8
IC610
+80V
D634
2
D 7
+15V 3 M 5
3
4
Q605,612
O STBY +5V
PH601
-15V 4 1
3 2
C 1
3
+12V
O
I O +5V-4
IC608
+5V REG
7
5 IC501 PWM CONTROL
2
BUFF
+12V
3
BUFF
3 24 22 -
Q521
20
+
+
19
-
H REG
Q520 REF
-
18
-
23 +
2 + AMP 13
- 14
8
+ 12
4
L503
HOC
1
3
HV REG OUT
Q510
T501 FBT
2
CHOPPER
Q503
1
D510
D515
7
6
4
10
IC502 ROTATION DRIVE
STBY5V
1 +IN
2 +IN OUT 4
IC702
D CONVERGENCE OUT
10 STBY OUT B 1
3 +IN B -IN B 2
OUT A 6
4 +IN A -IN A 5
IC701 CONVERGENCE CONTROL
16 SDA
17 SCL
14 HD IN
V CONV OUT 6
VS IN
2
H CONV OUT 7
3 V POS IN H STATIC OUT 8
V REF OUT
5 V STATIC OUT 9
D633
IC703
S CONVERGENCE OUT
4 +IN A -IN A 3
I OUT A 1
2
OUT A
6 +IN B -IN B 7
I OUT B 9
OUT B 8
IC611
1
D
CONVERGENCE CONTROL,
DEFLECTION, CPU,
POWER SUPPLY
D505
L508/HLC
LF506
LCT
10
5
CHOPPER
Q509
D522
D523
H -DY
CN501
6
H DY+
5
NC
4
H DY-
3
NC
2
V DY-
1
V DY+
V-DY
CN510 E
TO
1 G1 A BOARD
CN306
TO
HV
PICTURE TUBE
13
16
RV501
HV
ADJ
FV1 FOCUS
15
CN512 H
TO
14 A BOARD
CN301
FV2 FOCUS
11
12
ABL
ROTATION
CN701
1 ROTATION+
2 ROTATION-
3 CY1+
4 CY1-
5 CY2+
6 CY2-
CY-DY
7 CY3+
8 CY3-
9 CY4+
10 CY4-
HMD-A230(E) 4-2