Test Mode(Htv-C1) - Pioneer HTV-SW1 Service Manual

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7.3 TEST MODE (HTV-C1)
7.3.1 Entry into Test Mode
There are the following two methods for entry into test mode.
(1) Reception of the command "A55F" by remote control.
(2) Short-circuit the TEST MODE point (pin 19 of IC5001 and
GND) on the copper foil side of the DISPLAY assembly.
Connect the power cable to an outlet.
K
DISPLAY ASSY
Short point
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• At the time of entry into test mode, FL displays "TEST 1"
for 1 second.
• The LED flashes during test mode.
• At this time, the VOLUME setting becomes 10.
• The SURROUND mode becomes DOLBY VIRTUAL ON.
7.3.2 Test Mode Operation
FL segment check
Press the DISPLAY key. = The operations (1) to (5) are
switched sequentially.
(1) FL, LED all lit
(2) FL, LED all not lit
(3) (Segment check 1) Display of "ABCDEFGH"
(4) (Segment check 2) Display of "IJKLMNOP"
(5) Normal display
1. Confirmation of the Automatic Standby Function
(1) Press the INPUT key. =
The power is switched off and automatic standby mode
is entered. The standby indicator lights orange. (This
www condition is reached when 5 minutes without a signal
have passed during power ON.)
(2) Apply an input signal to the INPUT terminal. =
AUTO POWER ON (This operates only with input to the
.
selected INPUT terminal.)
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IC5001
Pin 19
SIDE B
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• In regard to the automatic standby mode
• Automatic standby mode always is reached during POWER ON.
• Standby condition is reached when the input signal disappears
for 5 minutes (input level of INPUT 1 (2): 49 dB V, LEVEL IN
voltage: 0.6 V DC). At this time, the standby indicator lights
orange.
• POWER ON occurs when an input signal is entered in this
condition ( a signal of -46dB V to INPUT 1 (2)).
• When the power is switched off with the STANDBY/ON key on
the unit or with the power key of the remote control unit, this
function does not operate and the standby indicator lights red.
2. DSP Check
Press the SURR. MODE key. = DSP check mode is entered.
DSP check mode
A test tone is put out at the time of DOLBY VIRTUAL condition.
Test tone output is repeated in the order of LEFT = CENTER =
RIGHT = SURROUND.
Confirm that DSP operates normally at the time of SURROUND
output.
Press the SURROUND MODE key twice. = DSP check mode is
canceled. FL and LED display normally.
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• Keys other than the specified ones operate normally.
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7.3.3. Test Mode Cancellation
During power ON, set the STANDBY/OFF key to OFF or disconnect
the power cable from the outlet.
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HTV-SW1, HTV-C1
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