Sony Trinitron HMD-A230 Service Manual page 29

ab1
ab2
ab3
ab4
5V-4 L901
5V
100µH
ab5
R907
100
1/2W
D VCC
ab6
C902
470
16V
LOCK
ab7 C901 LOCK
R915
0.47
4.7k 4.8
16V
:CHIP
B:CHIP
SDA
IIC SDA
4.2
SCL
IIC SCL
4.5
V.GND
ab8
C905
C938
0.068
220
:PT
16V
V.OSC
C906
4.0
1.0
:MPS
V.AGC
6.0
1
V.SAW
V SAW
D937
4.9
UDZS-TE17-5.6B
E/W
E/W
4.2
2
V.SIN
V.SIN
4.9
H.AGC
C913
6.1
0.1
:PT
V.DF
4.7
3
H.DF
H.FLY
0.7
H.GND
DEF CONTROL
bc13 bc12 bc11
• Divided circuit diagram
One sheet of D board circuit diagram is divided into three sheets,
each having the code D-a to D-c. For example, the destination
ab1 on the code D-a sheet is connected to ab1 on the D-b sheet.
a b 1
Ref. No.
Circuit diagram division code
IIC SCL
IIC SDA
LOCK
C936
100p
CH:CHIP
D.GND
X5
R951
0.4
X902
100
:CHIP
V.IN V-USYNC
V.DIV
D920
5.0
RB441Q-40T-77
H.IN H-USYNC
C933
4.7
100p
:CHIP
H.PH.FI
R929
3.6
2.2k
:CHIP
R901
AFC1 C911
5MM
0.01
4.9
B:CHIP
REF V-REF
8 7 6 5
VCO.FI
C922
3.3
10.2
C923
R.F/V
R931 470p
2.4 CH:CHIP
2.2k
C920
:RN-CP
0.1
DELAY CAP
B:CHIP C924
C952 C916 C921 1 2 3 4
9.4 3.3 B:CHIP
0.1 22
470
B:CHIP 16V
9V
R950
1.2k IC905
:CHIP
CAT24WC08J-TE13
EEPROM
C917
5.2
0.01
B:CHIP
12V
H.OUT
R504
C935
0.4 C918
4
0.47 0.47
22
B:CHIP :FPRD
VCC
CH:CHIP
R933
C925 C926 R594
11.4
1k
0.01 1000 220
IC902
B:CHIP 16V 1/4W :CHIP Q501
CXA8071CP
5.3 2SC2412
0.4 H DRIVE
D903
5.3
5.4
RB441Q-40T-77
Q903
DEF CONTROL
2SC2412
H AMP
Q502
2SA1037
H DRIVE
CLP1
H FLY
abc9 bc15
bc17
bc16
INPUT SELECT
IIC SCL
IIC SDA
KEY SCAN
STBY5V
R925
4.7k
:CHIP
6
DA0
TEST
5
R926
DA1
DCONV SW IR :CHIP
5.0
C910
DA2
ROTATION RESET RESET
B:CHIP
2.7 4.8
DA3
HLIN PA0
D904 D931
1.9 4.9
UDZS-TE17-5.6B AZ23C6V2
DA4
POWER SW PA1
D930
0.4
AZ23C6V2
DA5
REMOTE SW PA2
5.0 4.9
DA6
DEGAUSS SW PA3
0 0.4
DA7
PA4
0.4
DA8
WP PA5 LED RED
C943
VSS2
0.1
R981 R905 C930 PA6 LED GREEN
B:CHIP
4.7k 4.7k 0.01 D902
4.4 7
:CHIP :CHIP B:CHIP
MTZJ-7-77-5.6B
VDD2
CBLK CBLK
C914
1.0 8
15pF CH:CHIP
PB7
EEP SDA OSCIN
X901
2.2
24MHz
PB6
EEP SCL OSCOUT
C915
0.8 2.4
15pF
PB5
INPUT SEL NC CH:CHIP
D918
4.8
UDZS-TE17-5.6B
PB4 FB904
KEY NC
D938
R934
UDZS-TE17-5.6B 4.8
10k
PB3
ABL NC
4.0
STBY 5V
C928
PB2
0.01 NC
D919
UDZS-TE17-5.6B
PB1
HV TDO TXD
C951
0.01 3.6 5.0
B:CHIP PFV
V FLY RXD
RDI
R909
5.0 2.2k
VSI1
:CHIP
V-SYNC SDA IIC SDA
4.2 4.2
VSI2
9 IIC SCL
SCL
R908
4.6 2.2k
C939
CLP :CHIP
BPCLAMP DDC SDA DDC SDA
100p
0 1.6
ITA
LOCK DDC SCL DDC SCL
4.8 4.4
PD4
HOSTGND2 PC1 HOST GND1
10 5.0 5.0
14
PD3
HFB C909 C908
1000 0.01
0.7
10V B:CHIP
VSO
V-USYNC VDD
HSO
H-USYNC
HSI1
4.7 4.6
13
CSI
C-SYNC VSS
0.5
IC901
ST72T751N9B1/ABO
CPU
11 12
H FLY
V-SYNC
H RTRC
C931
470p
CH:CHIP
bc19 abd14 bc23
bc18 bd20 bd26 bc24
• D - b BOARD WAVEFORMS
1 2
2.5 Vp-p (V) 0.4 Vp-p (V)
8 9
3.0 Vp-p (24MHz) 4.9 Vp-p (V)
C912 IC904
100 PST9143NL STBY 5V
16V RESET
VCC NC
0 SUB
OUT
GND
5.0
0.1
S0
RXD
C929
4.7
TXD
S1
50V
S2
S3
D929
R910
AZ23C6V2 S4
330
CBLK
R911
1.2k
Q901
5V-4
2SA1037AK
12V
5VSW
D928
AZ23C6V2
R985
68k
:CHIP
R984
47k
:CHIP
C940
47p
CH:CHIP
C941
47p
CH:CHIP
STBY
IC908
TC74HCT04A
INVERTER
C947
STBY5V 0.01
B:CHIP
H-SYNC
8 9 10 11 12 13 14
R969
100
7 6 5 4 3 2 1
BPCLAMP
V RETRC
R973
1k
:CHIP
bc25
(DEFLECTION,CPU)
3 4
0.9 Vp-p (V) 0.8 Vp-p (H)
0 !
5.0 Vp-p (V) 4.5 Vp-p (H)
6 STBY 5V
FB902
5 GND
JW(5)
TO H 1 BOARD
KEY
4
CN1001
3 LED RED
2 LED GRN
R928 100 :CHIP
1 INPUT SEL SW
CN904
6P
1 D GND
CN901
2 STBY 5V
4P
R903 1k :CHIP
WHT
RXD
3
:S-MICRO
R904 1k :CHIP
4 TXD
D906 D905
MA111-TX MA111-TX
R923 D507
JW(5)
UDZS-TE17-5.1B
1 HRTRC
R918 1k
2 VRTRC
R924 470 :CHIP
CBLK
3
4 BPCLP
TO A BOARD
R935 100
IIC SCL 5 IICSCL
CN309
R914 47
GND
6
R913 47
IIC SDA 7 IICSDA
8 CSYNC
D908
0.7 MA111-TX
CN902
7P
R982 D907
470
MA111-TX
4.7
R983
STBY5V
100
:CHIP
5V
R957 D901
47 UDZS-TE17-5.6B
R906 R948
10k 10k
R912 R958
:CHIP
1k 47
1
HOST GND1
C949
100
DDC SDA1
2
16V
JR901
0 3 DDC SCL1
:CHIP
4 HOST 5V /STBY 5V
D909 GND
5
AZ23C6V2
R937 100 TO M BOARD
HSYNC
6
CN805
R936 100
R938 VSYNC
7
100
:CHIP
CSYNC
CSYNC 8
R942 1k
HOST GND2
9
10
INPUT SEL SW
R921 R922 C937
D913 3.3k 4.7k 11 POWER SW
47
MA111-TX 10V
:CHIP
CN903
11P
D- b
B-SS3572<AEP>-D..-P2
5 6 7
4.5 Vp-p (H) 3.9 Vp-p (H) 3.8 Vp-p (H)
! ! !
4.4 Vp-p (H) 4.7 Vp-p (H) 4.9 Vp-p (H)