Sony KV-SR34M59K Service Manual ▷ View online
– 4 –
KV-SR34M59K/SR34M89K
RM-W109
Diagnosis Item
Flash Count*
+B overcurrent
2 times
Vertical NG
4 times
IK (AKB)
5 times
Supply voltage Protection
8 times
* One flash count is not used for self-diagnosis.
FLASH RED
n Please refer diagnosis item.
FLASH GREEN
n OK
2. DISPLAY OF STANDBY/(1) indicator FLASH
COUNT
3. STOPPING THE STANDBY/(1) indicator FLASH
Turn off the power switch on the TV main unit or unplug the power cord from the outlet to stop the STANDBY/(1) lamp
from flashing.
from flashing.
4. SELF-DIAGNOSTIC SCREEN DISPLAY
For errors with symptoms such as "power sometimes shuts off" or "screen sometimes goes out" that cannot be confirmed,
it is possible to bring up past occurrence of failure on the screen for confirmation.
it is possible to bring up past occurrence of failure on the screen for confirmation.
[To Bring Up Screen Test]
In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below:
In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below:
[display] / channel [5] / volume [-] / Power
/ TV
˘
Note that this differs from entering the service mode (volume [+]).
Note that this differs from entering the service mode (volume [+]).
Self-Diagnostic screen display
Lamp OFF 3 sec
Lamp ON 300ms
Lamp OFF 300ms
2 :
0
3 :
N/A
4 :
0
5 :
1
8 :
0
101 :
N/A
SELF DIAGNOSTIC
Numeral "0" means that no fault was detected.
Numeral "1" means the number of a fault occurrence (1~255).
STANDBY (1) indicator
– 5 –
KV-SR34M59K/SR34M89K
RM-W109
5. HANDLING OF SELF-DIAGNOSTIC SCREEN DISPLAY
Since the diagnosis results displayed on the screen are not automatically cleared, always check the self-diagnostic screen
during repairs. When you have completed the repairs, clear the result display to "0".
during repairs. When you have completed the repairs, clear the result display to "0".
Unless the result display is cleared to "0", the self-diagnosis function will not be able to detect subsequent faults after
completion of the repairs.
completion of the repairs.
[Clearing the result display]
To clear the result display to "0", press buttons on the remote commander sequentially when the self-diagnostic screen is
displayed, as shown below:
To clear the result display to "0", press buttons on the remote commander sequentially when the self-diagnostic screen is
displayed, as shown below:
Channel [8]
/ "0"
[Quitting Self-diagnostic screen]
To quit the entire self-diagnostic screen, turn off the power switch on the remote commander or the main unit.
To quit the entire self-diagnostic screen, turn off the power switch on the remote commander or the main unit.
6. SELF-DIAGNOSIS CIRCUIT
[+B overcurrent OCP ]
Occurs when an overcurrent on the +B (135V) line is detected by pin 97 of IC001
(A Board). If the voltage of pin 97 of IC001 (A Board) is less than 3.9V, the unit will
automatically go to standby.
(A Board). If the voltage of pin 97 of IC001 (A Board) is less than 3.9V, the unit will
automatically go to standby.
[Vertical NG]
Occurs when an absence of the vertical deflection pulse is detected by pin 116 of
IC001 (A Board).
IC001 (A Board).
[IK $AKB%]
If the RGB levels* do not balance within 15 sec after the power is turned on, this error
will be detected by IC001 (A Board). TV will stay on, and indicalor will start to Blink 5
times.
will be detected by IC001 (A Board). TV will stay on, and indicalor will start to Blink 5
times.
[Supply Voltage Protection]
Occurs when IC001 internal supply voltage protection detects less than 4.2V due to
unproper power supply to IC001. TV cuts off high voltage power of anode CRT. No
picture will be detected eg IC607, IC604 go faulty.
unproper power supply to IC001. TV cuts off high voltage power of anode CRT. No
picture will be detected eg IC607, IC604 go faulty.
* (Refers to the RGB levels of the AKB detection Ref pulse that detects 1K)
A BOARD
IC001
Y/CHROMA JUNGLE
A BOARD
IC503
V.OUT
A BOARD
IC001
SYSTEM
A BOARD
IC003
MEMORY
FROM
C BOARD
IC751 PIN 5
IK
EHTO
RED LED
DISPLAY
SDA1
V.GUARD
SDA
5
F.B-PLS
3
116
45
97
7
A BOARD
FROM
Q511
COLLECTOR
30
– 6 –
KV-SR34M59K/SR34M89K
RM-W109
2 Four screws
(+BVTP
(+BVTP
3
x
12
Type2
IT-3)
4 One screw
(+BVTP
(+BVTP
3
x
12)
3 One screw
(+BVTP
(+BVTP
3
x
12)
1 One screw
(+BVTP 4 x 16
Type2
IT-3)
5 Two hooks
6 Terminal bracket
1
3D Speaker box assy
SECTION 1
DISASSEMBLY
1-2.
REAR COVER REMOVAL
1-3.
SPEAKER REMOVAL
1-4.
CHASSIS ASSY REMOVAL
1-5.
SERVICE POSITION
1-6.
TERMINAL BRACKET REMOVAL
1 Two screws
(+BVTP 4 x 16
Type2
IT-3)
2 Two screws
(Washer Head)
(+P4 x 16)
1-1.
3D SPEAKER BOX
1 Thirteen screws
(+BVTP 4 x 16
TYPE2
IT-3)
2
Rear cover
– 7 –
KV-SR34M59K/SR34M89K
RM-W109
5 One screw
(Washer Head)
(+P 3 x 12)
2 Five screws
(3
(3
x
12)(+)
BVTAP
3
Three hooks
1
Five connectors
6
Four hooks
4
A Board
7
B Board
1-7.
J3 BOARD REMOVAL
1-8.
BC AND K BOARDS REMOVAL
1-9.
F BOARD REMOVAL
1-10. DL BOARD REMOVAL
1-11. H4 AND H5 BOARDS REMOVAL
1-12. A AND B BOARDS REMOVAL
1 Four screws
(+BVTP 3 x 12
Type2
IT-3)
2 One screw
(+BVTP
(+BVTP
4
x
16
Type2
IT-3)
4
J3 board
3
Terminal bracket
1
Two clips
3
Two clips
4 BC Board
2
K Board
2
F Board
1
Four hooks
3 Two screws
(+BVTP 3 x 12)
2
DL Board
1
Three clip
3
Four hooks
1
Five hooks 2
H5 Board
4
H4 Board