Sony HMD-A230 Service manual
HMD-A230
1
£
£
Preset and user modes
When the monitor receives an input signal, it automatically matches the
signal to one of the factorypreset modes storedin the monitorÕs memory to
provide a high quality picture
.
For input signals that do not match one of the factory preset modes, the
digital Multiscan technology of this monitor ensures that a clear picture
appears on the screen for any timing in the monitorÕs frequency range
(horizontal: 30 Ð 80 kHz, vertical: 48 Ð 170 Hz). If the picture is adjusted,
the adjustment data is stored as a user mode and automatically recalled
whenever the same input signal is received.
Power saving function
This monitor meets the power-saving guidelines set by VESA,ENERGY
S
TAR,andNUTEK.Ifnosignalisreceivedbythemonitorfromyour
computer, the monitor will automatically reduce power consumption as
shown below.
* When your computer is in active off mode, MONITOR IS IN POWER
SAVE MODE appears on the screen if you press any button on the
monitor. After a few seconds, the monitor enters the power saving
mode again.
Design and specifications are subject to change without notice.
Power mode Power consumption (power)
indicator
normal operation 100 W green
active off* 3 W orange
power off 0 W (Approx.) off
SERVICE MANUAL
CRT 0.24 mm aperture grille pitch (center)
Viewable image size
Viewing image Approx. 406 mm (16.0 inches)
Resolution
Maximum Horizontal: 1280 dots
Recommended Horizontal:1024 dots
Standard image area
Deflection frequency
AC input voltage/current
Power consumption Approx.100 W
Operating temperature
Dimensions
Mass Approx. 19 kg (41.9 lb)
Plug and Play DDC2B/DDC2Bi
Supplied accessories
17 inches measured diagonally
90-degree deflection
FD Trinitron
Approx. 327 243 mm (w/h)
(12
Vertical: 1024 lines
Vertical: 768 lines
Approx. 312
(12
Horizontal: 30 to 80 kHz
Vertical: 48 to 170 Hz
220 to 240 V, 50-60 Hz, Max. 0.7 A
10 ¼C to 40 ¼C
Approx. 418 416 426 mm (w/h/d)
(161/2161/
GTF
Power cord (1)
Warranty card (1)
Notes on cleaning the screenÕs surface (1)
This instruction manual
´
7
´
/895/8inches)
´
3
/891/4inches)
234 mm (w/h)
´
´´
´´
7
2
16
/8inches)
TORINITORON
AEP Model
Chassis No. SCC-L38F-A
17VC
SPECIFICATIONS
®
COLOR COMPUTER DISPLAY
CHASSIS
1.5 k
Ω
0.15 µF
AC
Voltmeter
(0.75 V)
To Exposed Metal
Parts on Set
Earth Ground
SAFETY CHECK-OUT
After correcting the original service problem, perform the following safety
checks before releasing the set to the customer:
1. Check the area of your repair for unsoldered or poorly-soldered connections. Check the entire board surface for solder splashes and bridges.
2. Check the interboard wiring to ensure that no wires are “pinched” or contact high-wattage resistors.
3. Check that all control knobs, shields, covers, ground straps, and mounting hardware have been replaced. Be absolutely certain that you have
replaced all the insulators.
4. Look for unauthorized replacement parts, particularly transistors, that
were installed during a previous repair. Point them out to the customer
and recommend their replacement.
5. Look for parts which, though functioning, show obvious signs of deterioration. Point them out to the customer and recommend their replacement.
6. Check the line cords for cracks and abrasion. Recommend the replacement of any such line cord to the customer.
7. Check the B+ and HV to see if they are specified values. Make sure your
instruments are accurate; be suspicious of your HV meter if sets always
have low HV.
8. Check the antenna terminals, metal trim, “metallized” knobs, screws, and
all other exposed metal parts for AC Leakage. Check leakage as described right.
LEAKAGE TEST
The AC leakage from any exposed metal part to earth ground and from all
exposed metal parts to any exposed metal part having a return to chassis,
must not exceed 0.5 mA (500 microamperes).
Leakage current can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or RCA WT540A. Follow the manufacturers’ instructions to use these instruments.
2. A battery-operated AC milliammeter. The Data Precision 245 digital
multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a VOM or battery-operated AC voltmeter. The “limit” indication is 0.75 V, so analog
meters must have an accurate low-voltage scale. The Simpson 250 and
Sanwa SH-63Trd are examples of a passive VOMs that are suitable.
Nearly all battery operated digital multimeters that have a 2 V AC range
are suitable. (See Fig. A)
Fig. A. Using an AC voltmeter to check AC leakage.
HMD-A230(E) 2
WARNING!!
NEVER TURN ON THE POWER IN A CONDITION IN WHICH THE
DEGAUSS COIL HAS BEEN REMOVED.
AVERTISSEMENT!!
NE JAMAIS METTRE SOUS TENSION QUAND LA BOBINE DE
DEMAGNETISATION EST ENLEVÉE.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK ! ON THE
SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE
PARTS LIST ARE CRITICAL FOR SAFE OPERATION. REPLACE
THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS THAT
ARE CRITICAL FOR SAFE OPERATION ARE IDENTIFIED IN THIS
MANUAL. FOLLOW THESE PROCEDURES WHENEVER CRITICAL COMPONENTS ARE REPLACED OR IMPROPER OPERATION IS SUSPECTED.
ATTENTION AUX COMPOSANTS RELATIFS À LA SÉCURITÉ!!
LES COMPOSANTS IDENTIFIÉS PAR UNE TRAME ET UNE
MARQUE ! SONT CRITIQUES POUR LA SÉCURITÉ. NE LES
REMPLACER QUE PAR UNE PIÈCE PORTANT LE NUMÉRO
SPECIFIÉ. LES RÉGLAGES DE CIRCUIT DONT L’IMPORTANCE EST
CRITIQUE POUR LA SÉCURITÉ DU FONCTIONNEMENT SONT
IDENTIFIÉS DANS LE PRÉSENT MANUEL. SUIVRE CES
PROCÉDURES LORS DE CHAQUE REMPLACEMENT DE
COMPOSANTS CRITIQUES, OU LORSQU’UN MAUVAIS
FONCTIONNEMENT EST SUSPECTÉ.
HMD-A230(E) 3
POWER SAVING FUNCTION
This monitor meets the power-saving guidelines set by VESA, TCO 99,
and
E
NERGY STAR. If no signal is input to the monitor from your
computer, the monitor will automatically reduce power consumption as
shown below.
Power mode Power consumption*
normal operation ≤ 115 W (without USB operation) green
active off*
(deep sleep)*
power off 0 W (approximately) off
1
*
Figures reflect power consumption when no USB compatible
peripherals are connected to the monitor.
*2When your computer enters power saving mode, NO SIGNAL appears
on the screen. After a few seconds, the monitor enters power saving
mode.
3
Deep sleep is power saving mode defined by the Environmental
*
Protection Agency.
2
3
≤ 3 W orange
1
1
(power)
indicator
HMD-A230(E) 4
DIAGNOSIS
Failre
Horizontal / Vertical Deflection failure,
(Included S-cap)
ABL protector
HV failure
Aging / Self Test
Out of scan range
Aging Mode (Video Aging) : During Power Save, press MENU button for longer than 2 second.
Monitor Information and RGB bar : During Power Save, push CONT+ button for longer than 2 second.
ALL White : During Power Save, push CONT- button for longer than 2 second.
Amber → Off
(1.5 sec) (0.5 sec)
Amber → Off
(0.5 sec) (1.5 sec)
Amber → Off
(0.5 sec) (0.5 sec)
Amber → Off → Green → Off
(0.5 sec) (0.5 sec) (0.5 sec) (0.5 sec)
Green (OSD indication)
Power LED
HMD-A230(E) 5
TIMING SPECIFICATION
MODE Primary Mode
MODE AT PRODUCTION
MODE 1 MODE 2 MODE 3 MODE 4 MODE 5 MODE 6 MODE 7 MODE 8 MODE 9
RESOLUTION
CLOCK
— HORIZONTAL —
H-FREQ
usec
H. TOTAL
H. BLK
H. FP 0.636 1.556 0.636 1.000 0.569 0.369 0.508 0.444 0.119
H. SYNC
H. BP
640 X 480 640 X 480 720 X 400 800 X 600 800 X 600 1024 X 768 1024 X 768 1280 X 1024 1280 X 1024
25.175 MHz 36.000 MHz 28.322 MHz 40.000 MHz 56.250 MHz 65.000 MHz 94.500 MHz 108.000 MHz 135.000 MHz
31.469 kHz 43.269 kHz 31.469 kHz 37.879 kHz 53.674 kHz 48.400 kHz 68.677 kHz 63.981 kHz 79.976 kHz
usec usec usec usec usec usec usec
31.778 23.111 31.777 26.400 18.631 20.677 14.561 15.630 12.504
6.356 5.333 6.355 6.400 4.409 4.923 3.725 3.778 3.022
3.813 1.556 3.813 3.200 1.138 2.092 1.016 1.037 1.067
1.907 2.222 1.907 2.200 2.702 2.462 2.201 2.296 1.837
H. ACTIV
— VERTICAL —
V. FREQ (HZ)
25.422 17.778 25.422 20.000 14.222 15.754 10.836 11.852 9.481
59.940 Hz 85.008 Hz 70.087 Hz 60.000 Hz 85.061 Hz 60.000 Hz 84.997 Hz 60.020 Hz 75.025 Hz
lines lines lines lines lines lines lines lines lines
HMD-A230(E) 6
TABLE OF CONTENTS
Section Title Page Section Title Page
1. DISASSEMBLY
1-1. Cabinet Assembly Removal ................................. 1-1
1-2. A AND D Boards Removal ................................. 1-2
1-3. Service Position ................................................... 1-3
1-4. H1 AND J Boards Removal ................................. 1-4
1-5. Picture Tube Removal ......................................... 1-5
2. SAFETY RELATED ADJUSTMENT ................ 2-1
3. ADJUSTMENTS ...................................................... 3-1
4. DIAGRAMS
4-1. Block Diagrams .................................................... 4-1
4-2. Frame Schematic Diagram.................................... 4-3
(2) Schematic Diagrams of D (a, b, c, d ) Board
.............................................................................. 4-9
(3) Schematic Diagram of H1 Board ......................... 4-14
(4) Schematic Diagram of J Board ............................ 4-16
4-5. Semiconductors .................................................... 4-17
5. EXPLODED VIEWS .............................................. 5-1
5-1. Cabinet ................................................................. 5-2
5-2. Chassis ................................................................. 5-3
5-3. Picture Tube ......................................................... 5-4
5-4. Packing Materials ................................................. 5-5
6. ELECTRICAL PARTS LIST ............................... 6-1
4-3. Circuit Boards Location........................................ 4-4
4-4. Schematic Diagrams and Printed Wiring
Boards ................................................................... 4-5
(1) Schematic Diagram of A Board ........................... 4-7
HMD-A230(E) 7
1-1. CABINET ASSEMBLY REMOVAL
SECTION 1
DISASSEMBLY
5 Two screws
(+BVTP 3x8)
Push driver into opening
and remove claws.
Cabinet
6 Release from
four claws
Base shassis
4 Four screws
(+BVTP 3x8)
EMI
shield
Bezel
2 Two screws
(+BVTP 4x16)
3 Cabinet
Cover cable
1 Two screws
(+BVTP 4x16)
HMD-A230(E) 1-1
1-2. A AND D BOARDS REMOVAL
4 A board
5 Eight screws
(+BVTP 3x8)
6 D board
2 Two screws
(+BVTP 3x8)
1 One screw
(+BVTP 3x8)
Cable assy
3 Cable holder
HMD-A230(E) 1-2
1-3. SERVICE POSITION
A board
1
3
2
D board
HMD-A230(E) 1-3
1-4. H1 AND J BOARDS REMOVAL
1 Two screws
(+BVTP 3x8)
2 Bracket
Picture tube
5 Screw (+BVTP 3x12)
6 J Board
Cushion
3 H1 Board
4 Joystick
HMD-A230(E) 1-4
1-5. PICTURE TUBE REMOVAL
7 Degaussing coil
9 Neck assembly
5 Four screws
(Tapping screws 5)
2 A board
8 Two extention spring
3 Two screws
(+BVTP 4x16)
4 Stand assy
0 Deflection yoke
1 Anode cap
Cushion
6 Picture tube
HMD-A230(E) 1-5
•REMOVAL OF ANODE-CAP
NOTE: Short circuit the anode of the picture tube and the anode cap to the metal chassis, CRT shield or carbon painted on the CRT, after
removing the anode.
•REMOVING PROCEDURES
b
a
1Turn up one side of the rubber cap in the
direction indicated by the arrow a.
2Using a thumb pull up the rubber cap
firmly in the direction indicated by the
arrow b.
•HOW TO HANDLE AN ANODE-CAP
1Don’t scratch the surface of anode-caps with sharp shaped
material!
2Don’t press the rubber hardly not to damage inside of anode-
caps!
A material fitting called as shatter-hook terminal is built in the
rubber.
3Don’t turn the foot of rubber over hardly!
The shatter-hook terminal will stick out or damage the rubber.
c
Anode Button
3When one side of the rubber cap is
separated from the anode button, the
anode-cap can be removed by turning up
the rubber cap and pulling up it in the
direction of the arrow c.
HMD-A230(E) 1-6
SECTION 2
SAFETY RELATED ADJUSTMENT
When replacing or repairing the shown below table, the following operational checks must be performed as a safety precaution against X-rays emissions from the unit.
Part Replaced ([)
HV ADJ
RV501
Part Replaced (])
HV Regulator
Circuit Check
D board IC501, C532, C534,
C539, C553, C554,
C555, C556, C558,
C561, R540, R541,
R542, R544, R564,
R567, R568, RV501,
T501 (FBT)
HV Protector
Circuit Check
D board IC607, IC901, D515,
D517, C540, C542,
C544, C951, R510,
R543, R547, R549,
R552, R595,
• HV Protector Circuit Check
Using an external DC Power Supply, apply the voltage shown below
between cathode of D517 on D board and GND, and confirm that the
HV HOLD DOWN circuite works. (TV Raster disappears)
+0.00
Standard voltage : 35.90
V DC
- 0.01
Check Condition
• Input voltage : 120 ± 2 V AC
• Input signal : Cross hatch (white lines on black) at
69kHz (Primary Mode)
• Beam control : CONT, BRT ; minimum "0 "
• Beam Current Protector Check
An ammeter in series between FBT 11 pin on D board and GND, then,
decrease gradually the resistance of the variable resistor from
maximum to minimum, and confirm that the Beam Current
Protector Circuite works (TV Raster disappears). The current must
be within the range shown below.
+0.00
• Standard current : 1.55
- 0.01
mA
T501 (FBT)
Beam Current
Protector Circuit
Check
D board IC605,IC607,IC901,
C535, C541,R545,
R546, R548,R550,
R596, R934,
T501 (FBT)
* Confirm one minute after turning on the power.
Check Condition
• Input voltage : 120 ± 2 V AC
• Input signal : Cross hatch (white lines on black) at 69kHz
• Beam control : CONT, BRT ; minimum "0"
HMD-A230(E) 2-1
• B+ Voltage Check
Standard voltage : 179.0 ± 3.0 V DC
Check Condition
• Input voltage : 120 V AC
Note :Use NF power supply or make sure that distortion factor is
3% or less.
• Input signal : Cross hatch (White lines on black) at 68.7
kHz
• Beam control : CONT : 255 (max), BRT : 255 (max)
HMD-A230(E) 2-2
SECTION 3
ADJUSTMENTS
•Landing Rough Adjustment
1. Enter the full white signal. (or the full black dots signal)
2. Set the contrast to “CONT”=MAX.
3. Make the screen monogreen.
Note: Off the outputs from R ch and B ch of SG.
4. Reverse the DY, and adjust coarsely the purity magnet so that a green
raster positions in the center of screen.
5. Adjust the "H.CENTER" with the H CENTER Volume .(RV502 on the D
board)
6. Moving the DY forward, adjust so that an entire screen becomes
monogreen.
7. Adjust the tilt of DY, and fix lightly with a clamp.
Note:“TILT” shall be set at 0
•Landing Fine Adjustment
1. Put the set inside the Helmholtz coil.
5. Attach the wobbling coil to the designated part of the CRT neck.
6. Attach the sensor of the landing adjustment unit on the CRT surface.
Purity Magnet <<Zero Position>>
Purity magnet position
L/D control specification
± 5 ± 5 ± 5
± 5 ± 5 ± 5
± 4
± 5 ± 5 ± 4
7. Adjust the DY position and purity, and the DY tilt.
8. Fasten DY with screw.
2. Set the TLH to the Zero position.
3. Receive the single green signal.
4. Demagnetize the CRT surface with the hand degausser , and perform
auto degaussing.
Note:Torque 22 ±2kgcm (2.2 ± 0.2 Nm)
Perform auto degaussing.
HMD-A230(E) 3-1
9. Adjust each top and bottom pins by two wedges and then not swing DY
13. If using the magnet, be sure to demagnetize with the degausser and
neck right and left. (When fixing DY with wedges, insert wedges
completely so that the DY does not shake.)
a
cd
b
"a" and "b" must be equal.
10. Adjust the top and bottom pins with the TB.PIN VR complettely. And
ajust the V.Size simulation.
11. Adjust the V.key (=H.Trapxoid) with the H-Trp VR so that [a] become
equol to the [b]
c
d
check.
14. Remove the sensor and wobbling coil.
15. Fix the purity magnet paisted on the DY with the white pen.Fix it with
the RTV.
•Convergence Rough Adjustment
1. Enter the white crosshatch signal (white lines on black).
2. Adjust roughly the horizontal and vertical convergence at four-pole
magnet.
3. Adjust roughly HMC and VMC at six-pole magnet.
•Convergence Adjustment
< Static convergence >
1. Change the "CONV SW" to 0.
2. Receive the crosshatch of R and B. (on black)
12. If the corner is not within the standards, adjust disc magnet to satisfy L/
D adjustment standards.
Note:
(1) When necessary to paste magnets more than 2 pieces, be careful that the
convergence and the distortion would be alterable.
(2) Paste within 80 to 120 mm from the DY on the diagonal line of the
magnet.
3. Adjust H. STAT and V. STAT with 4 pole magnet.
4. Recieve the white crosshatch signal.(White line on black)
5. Adjust HMC and VMC with the 6 pole magnet.
6. Recieve the crosshatch of R and B. (on black)
Note:Adjust H. STAT and V. STAT in the beggining by 4 pole magnet not
adjust them by register immediately.
HMD-A230(E) 3-2
7. If necessary, the 3-6 procedures.
8. Change the "CONV SW" to 6. then set the following registers to 0.
XCV YCH
[ Neck Assy's Zero Position ]
"YBH_T_HI", "TBH_T_LO"
"YBH_B_HI", "YBH_B_LO"
"VSTAT_T_HI", "VSTAT_T_LO"
"VSTAT_B_HI""VSTAT_B_HI"
9. Adjust the H Static and V Static with the register "HSTAT_HI" and
"VSTAT_HI". (These registers should be within the limit between -40
and +40.)
10. Insert to TLH correction board and correct H. TILT.
11. Adjust XCV with the XCV volume.
12 Adjust YCH with the YCH volume.
13 Adjust V. TILT with the TLV-VR.
14. If necessary, repeat the 1-13 procedures to get the most suitable convergence pattern.
15. Paint lock TLH corection board, neck assy 4, 6 pole magnet and XCV
volume.
XCV
B
TLV
R
R
B
B
R
RB
TLH
R
B B
•Convergence Specification
A
R
B
4 Pole 6 Pole
MODE All mode
0.20 mm
A
0.24 mm
B
Purity
Purity Mg
4-pole Mg
6-pole Mg
TLH
TB, Pin VI
VR
YCH
TLV
H-Trap
•White Balance Adjustmen Specification
(1) 9300K
Part of shadow line
for the right figure.
(2) 5000K
Part of shadow line
for the right figure.
0.005
0.005
0.005
0.005
x = 0.283
y = 0.298
x = 0.346
y = 0.359
HMD-A230(E) 3-3
Connect the communication cable of the computer to the connector located on the D board. Run the service software and then follow the instruction.
IBM AT Computer
as a Jig
1-690-391-211A-1500-819-A
D-sub
(9 Pin [female])
*The parts above ( ) are necessary for DAS adjustment.
mini Din
(8Pin)
1
2
Interface Unit
3
• Vertical and Horizontal Position and Size Specification
A
b
MODE All mode
B
a
a 1.8 mm
b 1.8 mm
312 mm
A
234 mm
B
3-702-691-01
3
Connector Attachment
To BUS CONNECTOR
4 Pin
4 Pin 4 Pin
• Focus rough adjustment
1. Receive the mE pattern signal. (black characters on green)
2. Adjust the H FOCUS of the screen corner with Fcous VR in the bottom
of the FBT.
3. Receive the cross-hatch pattern signal .(green line on black)
4. Adjust the V FOCUS of the center and the y-axis with the FOCUS VR
in the top of FBT.
FBT
Focus volume 1 (V)
Focus volume 2 (H)
G2 VR
HMD-A230(E) 3-4
4-1. BLOCK DIAGRAMS
SECTION 4
DIAGRAMS
7
BIN
IC001
RGB PRI AMP
IC004
RGB CUT - OFF AMP
SIGNAL IN
HD15
(PIG-TAIL)
15
5
CN302
2
3
4
5
6
GND1
BLUE
GND
GREEN
GND
RED
10
14
4
9
13
3
8
12
2
7
11
1
6
D
TO
D BOARD
CN902
CN309
NC
IIC SDA
GND
IIC SCL
BPCLP
CBLK
VR TRC
HR TRC
9
GIN
11
RIN
10
SYNC IN
12
CLAMP
18
BLK
1
SDA
2
SCL
8
7
6
5
4
3
2
1
10
IC003 OSD
7
SDA
SCL
8
V FLB
OSD BLK
B BKG
G BKG
B OUT
G OUT
R OUT
B OSD
R OSD
G OSD
3
4
5R BKG
27
24
20
13
14G OSD
15R OSD
17OSD BLK
12
15
14
13B SOD
5
BIN
4
GIN
3
RIN
VIDEO OUTPUT
11
BIN
9
GIN
8
RIN
IC002
B OUT
G OUT
R OUT
B OUT
G OUT
R OUT
9
8
7
CN304
+180V1
2
3
J001
1
3
5
9
KB
8
KG
7
KR
G2
4
H
10
4
5
6
7
8
9
1
NC
+80V
GND
H1
+12V
GND
+5V
STBY +5V
CN301
1.2KV
C
H
TO
D BOARD
CN606
TO
D BOARD
CN512
INV.
Q006
5
H FLB
(VIDEO OUTPUT, OSD)
A
HMD-A230(E) 4-1
(USER CONTROL, LED)
H1
S1007,1003
KEY MATRIX
TO
A BOARD
CN309
D1005
D505
IC901 CPU
15
IC902 DEF CONTR0L
PB4
PA5
48
47
PA6
44
OSC OUT
OSC IN
38
RDI
39
TDO
PD3
25
VSD
26
46
CBLK
22
CLP
36
SCL
37
SDA
12
PB7
13
PB6
28
CSI
54
RESET
9
DA8
7
DA6
6
DA5
X901
24MHz
45
HSO
27 26
23
ITA
32
HFB
DA3
4
19
PFV
18
PB1
PA0
49
PA4
53
16
PB3
2
DA1
3
DA2
X902
29
X5
3
SDA
4
SCL
HIN
28
VIN
VDF
H OUT
H FLY
V SAW
V SIN
V DIV
LOCK
E/W
BUFF
Q505
7 3
IC401 V OUT
-IN
+IN
DF AMP
Q504
H DRIVE
Q501,502
D517
OUT
12
9
H AMP
17
Q903
14
8 1 5
10
27
2
FB
T503
DFT
64
82
T504
OUT
Q511
HDT
H DRIVE
H BLK
BUFF
Q508
SYNC LOCK
Q522, 524
S-CAP CHANGE
Q512-516
64
81
H OUT
Q507
S0-S4
S0-S4
D530
T505
HST
RV502
D531
L510
HCC
52
31
BUFF
Q521
IC502 ROTATION DRIVE
STBY5V
1
2 4
BUFF
3
H REG
Q520
+IN
+IN
23
2
8
4
1
3
OUT
L503
HOC
-
+
24 22
IC501 PWM CONTROL
REF
HV REG OUT
Q510
CHOPPER
Q503
D515
D510
-
+
20
+
19
-
-
18
+
AMP
13
14
-
+
12
T501 FBT
2
1
7
6
4
10
+5V
CN904
STBY 5V
GND
KEY
LED RED
LED GREEN
CN901
D GND
STBY +5V
RXD
TXD
STBY
+5V
6
5
4
3
2
1
2
3
4
BUFF
Q901
+12V
5
IC905 EEPROM
8
5
6
STBY 5V
STBY 5V
IC904 RESET
OUT
VCC
VCC
SDA
SCL
4
WC
7
CN1001
STBY 5V
1
2
GND
3
KEY
4
LED RED
5
LED GRN
CN902
1
HRTRC
2
VRTRC
CBLK
3
4
D
BPCLP
IICSCL
GND
IISDA
CSYNC
5
6
7
8
L508/HLC
LF506
LCT
710
25
+12V
HV
13
16
FV1
15
14
FV2
11
12
CHOPPER
Q509
D522
D523
TO
PICTURE TUBE
RV501
HV
ADJ
FOCUS
FOCUS
ABL
CN512
CN501
6
H DY+
5
NC
4
H DY-
3
NC
2
V DY-
1
V DY+
CN510
G11
H
TO
A BOARD
CN301
H -DY
V-DY
TO
A BOARD
E
CN306
TO
A BOARD
CN304
DGC
IC702
H FLY
BUFF
Q525
RY601
RELAY
LF602
LFT
IC602
HEATER OUT
OUT
VADJ
DRIVE
Q601
D612
D613
REG SW
+5V REG
I O
4
I O
IC605
+12V REG
IC607
Q603
I O
IC608
+5V REG
+180V
+80V
+15V
Q605,612
STBY +5V
-15V
+12V
+5V-4
T602
SRT
IC610
D
7
3
M
C
1
18
D634
2
3
4
PH601
4
3
D633
5
1
IC611
2
3 1
S601
TH600
CTL
1
VCC
2
5
D601
AC RECT
D609
S602
D628
1
14
9
8
11
4
3
IC601
SW REG CONT
VIN
OOB
VCRL
IREF
GND
IC603
DRIVER
I SENSE
V AUX
DEM
1
2
DS
4
5
7
6
13
POWER
SWITCHING
Q602
OVP/OCP
Q604
3 1
IC604 ERROR AMP
D620
D605
T601
SRT
7
6
5
4
1
2
9
D619
D611
10
D617
11
12
D618
13
D614
14
D622
15
16
17
18
CN601
DGC 2
NC
NC
DGC 1
CN600
AC IN
CN602
THP600A
THP600
CN606
+180V
NC
+80V
GND
C
H1
+12V
GND
+5V
SRBY +5V
+12V
1
2
3
4
TH601
F601
L43
G
N
2
1
1
2
3
4
5
6
7
8
9
12
+180V
+80V
+12V
+5V-4
STBY +5V
4
D CONVERGENCE OUT
10
STBY
+IN B
3
+IN A
IC701 CONVERGENCE CONTROL
16
SDA
SCL
17
14
HD IN
VS IN
2
V POS IN
3
V REF OUT
5
IC703
S CONVERGENCE OUT
4 3
+IN A
+IN B
OUT B
-IN B
OUT A
-IN A
V CONV OUT
H CONV OUT
H STATIC OUT
V STATIC OUT
-IN A
I OUT A
OUT A
-IN B
I OUT B
OUT B
1
2
6
54
1
2
3
6
7
8
9
1
2
76
9
8
4
5
6
7
8
9
10
CN701
ROTATION+
ROTATION-
CY1+
CY1-
CY2+
CY2-
CY3+
CY3-
CY4+
CY4-
ROTATION
CY-DY
D
CONVERGENCE CONTROL,
DEFLECTION, CPU,
POWER SUPPLY
HMD-A230(E) 4-2
4-2. FRAME SCHEMATIC DIAGRAM
J
(P-SW)
SIGNAL IN
HD-15
(PIG-TAIL)
CN1001
5P
GND
STAND-BY 5V
DDC SCL1
54321
DDC SCA1
HOST GND1
678910
1
11
2
12
3
13
4
14
5
15
1
B.GND
2
BLUE
3
G.GND
CN302
GREEN
R.GND
RED
6P
STBY 5V
+5V
987654321
CN304
GND
9P
WHT
+12VH1GND
+80VNC+180V
VIDEO OUTPUT, OSD
(
4
5
6
A
)
CN309
8P
NC
IICSDA
GND
IICSCL
BPCLP
8765432
CBLK
VRTRC
HRTRC
1
CN301
1P
1 1.2KV
CN307
HG
H
1P
1 TAB
RGB
PICTURE
TUBE
G2
G1
54321
GND
DDC SCL1
HOST 5V/STBY 5V
CN607
5P
DDC SCA1
HOST GND1
987654321
H1
+5V
STBY 5V
NC
GND
GND
+80V
+12V
CN606
9P
WHT
+180V
8765432
NC
GND
IICSCL
IICSDA
CN902
8P
D
DEFLECTION,CPU,
CONVERGENCE CONTROL,
POWER SUPPLY
BPCLP
CBLK
VRTRC
1
HRTRC
CN512
1P
CN904
HV
ROTATION+
ROTATIONÐ
CY1+
WHT
10P
CN501
CN602
CY1-
CY2+
CY2-
CY3+
CY3-
CY4+
CY4-
V DY+
V DYÐ
NC
6P
H DYÐ
WHT
:VH
NC
H DY+
TH 600
2P
THP 600A
CN701
:S-MICRO
5P
ROTATION
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
1
2
VDY
HDY
DGC
AC IN
TO ECS
STBY 5V
GND
KEY
LED RED
LED GRN
INPUT SEL SW
65432
1
1
D GND
+5V
RXD
TXD
AC L
NC
AC N
DGC4
NC
NC
DGC1
CN901
S-MICRO
CN600
3P
CN601
4P
12345
4P
6
KEY
GND
STBY 5V
LED RED
LED GRN
INPUT SEL SW
CN801
5P
H1
(
USER CONTROL, LED
)
2
3
4
1
2
3
1
2
3
4
B-SS3599<J..>-KESSENZU
HMD-A230(E) 4-3
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