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Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
KV-27FS320/32FS120/32FS320/34FS120/36FS120/36FS320/38FS120
Self-Diagnostic Screen Display For errors with symptoms such as �power sometimes shuts off� or �screen sometimes goes out� that cannot be con�rmed, it is possible to bring up past occurrences of failure on the screen for con�rmation. To Bring Up Screen Test In standby mode, press buttons on the Remote Commander sequentially, in rapid succession, as shown below: Display Channel 5 Sound Volume Power ON Note that this differs from entering the Service Mode (Sound Volume + ). Self-Diagnostic Screen Display SELF DIAGNOSTIC 2: +B OCP 0 3: +B OVP N/A 4: VSTOP 0 5: AKB 1 101: WDT N/A
Numeral �0� means that no fault was detected. Numeral �1� means a fault was detected one time only.
Handling of Self-Diagnostic Screen Display Since the diagnostic 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�. Unless the result display is cleared to �0�, the self-diagnostic function will not be able to detect subsequent faults after completion of the repairs. Clearing the Result Display To clear the result display to �0�, press buttons on the Remote Commander sequentially when the diagnostic screen is displayed, as shown below: Channel 8 ENTER
Quitting the Self-Diagnostic Screen To quit the entire self-diagnostic screen, turn off the power switch on the Remote Commander or the main unit. Self-Diagnostic Circuit
M BOARD IC001 Y/CHROMA JUNGLE FROM C BOARD IC702 PIN 5 FROM A BOARD IC501 PIN 1 51 IK-AKBIN
A BOARD IC561 V. OUT
M BOARD IC001 SYSTEM IO-BDAT 53
M BOARD IC002 MEMORY 5 BDA
REF 3 72 I-HLDWN
78 I-Prot
O-LED 79 DISPLAY
+B overcurrent (OCP) Occurs when an overcurrent on the +B (135V) line is detected by pin 72 of IC001 (M Board). If the voltage of pin 72 of IC001 (M Board) is less than 1V when V.SYNC is more than seven verticals in a period, the unit will automatically turn off. I-Prot Occurs when an absence of the vertical de�ection pulse is detected by pin 78 of IC001 (M Board). Power supply will shut down when waveform interval exceeds 2 seconds. IK (AKB) If the RGB levels* do not balance within 2 seconds after the power is turned on, this error will be detected by IC001 (M Board). TV will stay on, but there will be no picture. *(Refers to the RGB levels of the AKB detection Ref pulse that detects 1K).
KV-27FS320/32FS120/32FS320/34FS120/36FS120/36FS320/38FS120
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