Pioneer XR-P340M XR-P740M, XR-P64M, XR-P34M xR-P7 Q, XR-P64, XR-P34, RecordingLevelAdjustment

XR-P740M, XR-P64()M, XR-P34()M xR-P7 Q, XR-P64(), XR-P34()

O Recording Adiustmont

1. BiasOscillationFrequencyAdiustment

Tap€

Step Selector Mode

(AUTO)

Input Signaf

TestTape

Load the STD 631

Measuement Adjustment

Adjusting Points

Poiots Value

DeckI

Oscillation fre-

Remarks

When the pori.er is tumed

NORMAL REC

test tape and set the

Between@

quencyto be

ON while the BAND buttol

recording mode.

Decktrpointin Fig. 105.0kH2 t2kHz.

3-4 andGND.

is depressed,the frequency will decrease 2 3 kHz.

2. RecordingLevelAdjustment

Tape

Step Selecto! Mode

(AUTO)

1 NORMAL REC

REC,,

2 NORMAL PLAY

Input Sigrral/Test Tape

Input a 315H2 signal to the VIDEOiAUX IN terminal and set the input selectorto VIDEO.

STD 631 test tape and record,"playback the 315H2

signal.

Adjusting	Points	Measurement	Adjustment	Remarks
		Points	Value

DeckI	TAPE TEST
Input signal	POINT	5.2 dBV
level	(L, Rch)
Deck II	(AF CD Assy)

DeckITAPE TEST Repeatrecording,playback

POINT and adjustmentuntil

Decktr vR4301(Lch) (L, Rch) playbacklevel of the 315H2 vR4302(Rch) (AF CD Assy) signalbecomes 5.2dBV.

a Since this adjustment aJfectsrecording bias, prevent

3. Recording/playback FrequencyCharacteristicsAdjustment distortion Irom increasingdue to underbias.

Tape			Measurement	Adjustment
Step Selector Mode	Input Signal/Test Tape	Adjusting Points			Remarks
			Points	Value
(AUTO)

Inputa 315H2siSnalto the

L NORMAL REC VIDEO/AUXIN terminalandset the inputselectorto VIDEO.

Load the STD -631test tape and

REC,,' record/playback the 315H2 and

2 NORMAL

PLAY 10kHz signals.(seethe Note below)

DeckI		TAPE TEST
		POINT	25.2dBy
	Input signal	(L, Rch)
Deck II
	level	(AF CDAssy)
DeckI		TAPE TEST	Repeatadjustmentuntil
			playbacklevel of the 10kHz
		POINT
			signal is vrithin 0 t0.5dB
	VR4351 (I-ch)	(L, Rch)
			from that of the 315H2
Decktr		(AF CDAssy)
	VR4352 (Rch)		signal.

Note; Set to the same level used for the 315H2 input signal at step 1.

4 . ALC OperationCheck

Measutement Adjustment

Step Selector	Mode	Input Signal/Test Tape	Adjusting Points
(AUTO)

PointsValue

Remarks

I		Input siSnallevel
	REC .	Inputa 315H2signalto the
NORMAL		VIDEO/AUXIN terminalandset Set to a level + 10dB

TAPE TEST

POINT

-5.2 dBV

2	PAUSE	theinputselectorto VIDEO.	abovethe input level at
			step 1.

(L, Rch)

(AF CD Assy) 2.h.2.5d8y

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