Sony KLV-37M300A (serv.man2) Service Manual ▷ View online
17
KLV-37M300A
KLV-37M300A
2-3. VIEWING THE SERVICE MENUS
Use the Remote Commander to view the BE Service Menu options.
1. To display the Service Menu that contains the category you
want to adjust, press the or arrow on the Remote Commander.
MAIN VER.
1000
BOOT VER.
1000
PACK VER.
1000
CHECK SUM
E918
NVM VER.
1025
USB VER.
0000
ETI1
24h
ETI2
24h
TV
R_DRIVE
256
G_DRIVE
256
B_DRIVE
256
R_BKG
512
G_BKG
512
B_BKG
512
COLOR SAVE
TV
TEST RESET
AGING MODE
AGING MODE
Off
AUTO SHUT-OFF
On
ETI CLEAR 1
ETI CLEAR 2
INFORMATION RESET
SOUND MUTE
ETI CLEAR 2
INFORMATION RESET
SOUND MUTE
On
PRODUCTION
111111111
POWER SAVING
On
HPD_EXTRA_TIME
0
2-4. CHANGING SERVICE DATA
1. Use the or arrows to select the Adjustment Item you want to
change
TV
R_DRIVE
256
G_DRIVE
256
B_DRIVE
256
R_BKG
512
G_BKG
512
B_BKG
512
COLOR SAVE
2. To change the data value:
a. To increase the data value, press the arrow.
b. To decrease the data value, press the arrow.
3. To save the data value changes, press to select COLOR SAVE ,
then press
button.
2-4-1. EXITING SERVICE MODE
After completing the changes, exit service mode.
4. To exit service mode, turn the power off by pressing POWER .
2-5. VERIFYING SERVICE DATA CHANGES
1. After completing all adjustments turn the set off with the Remote
Commander and then proceed to the next step.
2. Press the following arrows on the Remote Commander within a
second of each other:
DISPLAY
Channel
5
Volume
+
POWER .
3. To verify the changes repeat step 1 of 2-4. Changing Service Data.
4. To exit service mode, turn the power off by pressing POWER .
18
KLV-37M300A
KLV-37M300A
SECTION 3: DIAGRAMS
3-1. CIRCUIT BOARDS LOCATION
3-2. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS INFORMATION
tolerances.
All voltages are in V.
S : Measurement impossibility.
: B+line.
: B-line. (Actual measured value may be different).
: signal path. (RF)
Circled numbers are waveform references.
The components identifi ed by shading and
!
symbol are critical for safety. Replace
only with part number specifi ed.
The symbol
indicates a fast operating fuse and is displayed on the component
side of the board. Replace only with fuse of the same rating as marked.
NOTE: The components identifi ed by a red outline and a mark contain confi dential
information. Specifi c instructions must be adhered to whenever these components
are repaired and/or replaced.
See Appendix A: Encryption Key Components in the back of this manual.
information. Specifi c instructions must be adhered to whenever these components
are repaired and/or replaced.
See Appendix A: Encryption Key Components in the back of this manual.
U1 BOARD
H1 BOARD
G5 BOARD
BG1A BOARD
UTA BOARD
H4S BOARD
H3S BOARD
All capacitors are in μF unless otherwise noted. pF : μμF 50WV or
less are not indicated except for electrolytics and tantalums.
less are not indicated except for electrolytics and tantalums.
All electrolytics are in 50V unless otherwise specifi ed.
All resistors are in ohms. k
Ω=1000Ω, MΩ=1000kΩ
Indication of resistance, which does not have one for rating
electrical power, is as follows:
electrical power, is as follows:
Pitch : 5mm
Rating
electrical
power
:
1
/
4
W
1
/
4
W in resistance,
1
/
10
W and
1
/
16
W in chip resistance.
: nonfl ammable resistor
: fusible resistor
: internal component
: panel designation and adjustment for repair
: earth ground
: earth-chassis
All variable and adjustable resistors have characteristic curve B,
unless otherwise noted.
unless otherwise noted.
Readings are taken with a color-bar signal input.
Readings are taken with a 10M
Ω digital multimeter.
Voltages are DC with respect to ground unless otherwise noted.
Voltage variations may be noted due to normal production
19
KLV-37M300A
KLV-37M300A
G
D
S
B1 E1
C2
B2 C1
E2
2
3
4
5
6
7
8
9
0
!¡
!™
!¢
!§
!¶
!•
–
1
G
D
S
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
!ª
B1 E1
E2
C1(B2)
C2
@º
B1
E2
C1
C2
@™
@£
(B2)
E1
(B2)
E1
E2
B1
C2
C1
@¡
B1
E1
C2
B2
C1
E2
G
S
S
D
G
D
B1
E1
C2
B2
C1
E2
B1
E2
C2
C1(B2)
E2
B1
C1
C2
E1(B2)
C2
B1
C1
E2
E1(B2)
C2
B1
C1
E2
B2
E1
C2
Ver.1.6
Transistor
(FET)
(FET)
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Discrete semiconductot
(Chip semiconductors that are not actually used are included.)
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Source
Source
Anode
Anode
(NC)
(NC)
Cathode
Anode
Cathode
Common
Cathode
Cathode
Common
Cathode
Cathode
Common
Common
Common
Common
Cathode
Anode
Base
Emitter
Collector
Base
Emitter
Collector
Drain
Gate
Gate
Drain
Device
Printed symbol
Terminal name
Circuit
Terminal name of semiconductors in silk screen
printed circuit ( )
Anode
Anode
Anode
Cathode
Anode
Anode
Cathode
!£
Transistor
(FET)
(FET)
Transistor
(FET)
(FET)
!?
Emitter
Collector
Base
Transistor
Source
Gate
Drain
Cathode
Anode
Anode
Cathode
Anode
Anode
*
REFERENCE INFORMATION
RESISTOR
: RN
: RN
METAL FILM
: RC
SOLID
: FPRD NONFLAMMABLE CARBON
: FUSE NONFLAMMABLE FUSIBLE
: RW
: FUSE NONFLAMMABLE FUSIBLE
: RW
NONFLAMMABLE WIREWOUND
: RS
NONFLAMMABLE METAL OXIDE
: RB
NONFLAMMABLE CEMENT
: ADJUSTMENT
RESISTOR
COIL
: LF-8L MICRO INDUCTOR
: LF-8L MICRO INDUCTOR
CAPACITOR
: TA
: TA
TANTALUM
: PS
STYROL
: PP
POLYPROPYLENE
: PT
MYLAR
: MPS
METALIZED POLYESTER
: MPP
METALIZED POLYPROPYLENE
: ALB
BIPOLAR
: ALT
HIGH TEMPERATURE
: ALR
HIGH RIPPLE
20
KLV-37M300A
KLV-37M300A
3-3. BLOCK DIAGRAM
Audio
for DVI
(S)Video1
Mon/Rec
out
Flash
2MByte
8bit Multiplex BUS
PC
HDMI
UART
Backlight
Inverter
Inverter
Panel�WXGA�
Audio
for PC
Audio Amp
TPA3100D2
Component1
Video SW
BH7641
Component2
(S)Video2
Video3
Audio out
(Fix/Var)
Analog-Component/RGB
Y/C
CVBS+Y/C
Digital-Component
Audio (Analog)
Audio (Digital)
CVBS
PC-RGB
FE
FE
DDR
4M x 32bit
Trident
SVP-PXS�
Chroma Dec/IP
/Scalar
H
s/
Vs
Audio SW
AD/DA
DSP
TAS3208
BE Micro
MB91305
EEP
EEP
ECS
RF
HP
SP
HDMI
EQ
EQ
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