Pioneer service manual 1. P.D, 2. P.D, PRO-610HD, PRO-510HD, SD-582HD5, SD-532HD5

PRO-610HD, PRO-510HD, SD-582HD5, SD-532HD5

1. P.D. (1)

Failure in the POWER SUPPLY Assy and the AUDIO Assy.

There are four main possibilities:

1.Abnormality in the regulator of the heater

2.Blown fuse(s) in secondary

3.Abnormality in RELAY (RY102)

4.Abnormality in AUDIO OUTPUT

Status	Causes	Check Items	Probable Defective Parts
D223	Abnormality in the regulator for	The voltage of HT- at TP205 is NOT approx. 19 V, and	Q201, R202, D210, D209
ANODE Hi	the heater	that of the HT+ at TP204 is NOT approx. 26 V.
		The voltage HT+ (approx. 26 V) at TP204 is NOT	CONV. AMP Assy and
D207		supplied.	DEFLECTION SERVICE Assy
	Blown fuse(s)
		The voltage (approx. 35 V) at TP203 is NOT supplied.	AUDIO Assy
ANODE Hi
		The voltage (approx. 11 V) at TP209 is NOT supplied.	VIDEO Assy
D911		The RELAY signal is NOT high (ON) at TP904.	SIGNAL Assy
	Abnormality in RELAY
ANODE Hi		P.D. even if the RELAY signal is high (ON) at TP904.	Q904, Q905 RY102, R102
D203		The SP line (CN5611) is disconnected.	Connect the SP line.
	Abnormality in AUDIO OUTPUT
ANODE Hi		The voltage at the negative electrode of the C5616 and	C5616, C5617 (VIDEO Assy)
		C5617 is 5.2 V or more.

Note: The anode of the diode is high only for a short time after the power is turned on until the protection circuits are activated (P.D.) The LEDs are lit by the HOLD circuit.

In a case when the power cannot be on with no LED lit, check the following:

1.Check if the FU101 fuse in the POWER SUPPLY Assy is blown.

2.Disconnect and check connector E1 (CN201) to see whether STB 5 V is supplied.

If STB 5 V is supplied, replace the SIGNAL Assy. If STB 5 V is NOT supplied, replace the POWER SUPPLY Assy.

3.Disconnect and check connector E1 (CN201) to see whether AC CLK is supplied.

If AC CLK is supplied, replace the SIGNAL Assy. If AC CLK is NOT supplied, replace the POWER SUPPLY Assy.

2.P.D. (2)

Failure in the DEFLECTION SERVICE Assy.

There are four main possibilities:

1.H. deflection overload detection (1)

2.H. deflection stopping detection

3.H. deflection overload detection (2)

4.X-ray protection

Status	Causes	Check Items	Probable Defective Parts
D312	Overload detection 1		Q309, Q324 (short-circuited between
ANODE Hi			C and E)
		Is the connector of the deflection yoke plugged in?	Plug in the connector.
D309	Stopping H. deflection
		No H. OSC signal at TP304 (F=31.5 kHz, Duty 50%)	IC301, Q309
ANODE Hi
		No DH. BLK signal at TP305	Q309
			Q612, Q613 (short-circuited between
D615			C and E)
	Overload detection 2
		About one minute after the power is turned off, disconnect
ANODE Hi			IC5101, IC5151 and IC5201 in the
		the K4 connector and turn on the power. Then the power is
			CRT DRIVE Assy
		not turned off (no P.D.).
		No change in the ABL voltage (no DC change) at Pin 12 of	D2224 (short-circuited)of the SUB
D621		the CN305 when a 100%-white signal is repeatedly
	X-ray protection		VIDEO Assy
		connected and disconnected
ANODE Hi
			T601 (FBT) rare short

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