Sony HCD-XGR60 Record/Playback Head Azimuth Adjustment, Tape Speed Adjustment Deck B

HCD-XGR6/XGR60

Record/Playback Head Azimuth Adjustment

DECK A DECK B

Note: Perform this adjustments for both decks

Procedure:

1. Mode: Playback (FWD)

test tape	MAIN board
P-4-A100	MD (VIDEO) OUT jack (J701)
(10 kHz, – 10 dB)	L-CH, R-CH

level meter

set

+

–

2.Turn the adjustment screw and check output peaks. If the peaks do not match for L-CH and R-CH, turn the adjustment screw

so that outputs match within 1dB of peak.

Adjustment Location: Playback Head (Deck A). Record/Playback/Erase Head (Deck B).

forward reverse

Tape Speed Adjustment DECK B

Mode: Playback

L-CH	within
	1dB
peak	within
Output
	1dB
level
R-CH
peak	Screw
Screw

test tape WS-48B

(3 kHz, 0 dB)

frequency counter

set	+
	–

MAIN board

MD (VIDEO) OUT jack (J701) L-CH, R-CH

position	L-CH	R-CH	position
	peak	peak

3. Mode: Playback

1.	Insert the WS-48B into the deck B.
2.	Press the	H	button on the deck B.
3.	Press the			button in playback mode.
		H SPEED DUB
	Then at HIGH speed mode.
4. Adjust RV392 on the LEAF SW board do that frequency

test tape P-4-A100

(10 kHz, – 10 dB) L-CH

set

R-CH

MAIN board

MD (VIDEO) OUT jack (J701)

L-CH

oscilloscope

V H

R-CH

counter reads 6,000 ±		180 Hz.
5. Press the	H SPEED DUB		button.
Then back to NORMAL speed mode.
6. Adjust RV391 on the LEAF SW board so that frequency
counter reads 3,000 ±		90 Hz.

Adjustment Location: MAIN board

Sample value of Wow and Flutter: 0.3% or less W.RMS (JIS) (WS-48B)

waveform of oscilloscope

in phase 45 ° 90 ° 135 ° 180 °

good wrong

4.Repeat step 1 to 3 in playback (REV) mode.

5.After the adjustments, apply suitable locking compound to the pats adjusted.

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