HTC-NX1, MHC-NX1, MHC-NX3AV - Sony Audio Service Manual (repair manual). Page 3

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• As this set has not own power supply, it does not operate inde-

pendently. Therefore, during servicing, connect it to the Pre-
Main amplifier and Tuner Unit (STR-NX1/NX3) of MHC-NX1/
NX3AV.

If STR-NX1/NX3 are not available, use the Power Feed Jig (PFJ-
1) and Relay Connector Jig.
In this case, after turn on the POWER switch on the Power Feed
Jig, supply power with the following methods.

Procedure:
1. Press three buttons of s (DECK B), A (DISC 1),

and s (CD) simultaneously.

2. The G (CD) and S (CD) LEDs blink, and then pressing G

(CD), G / g (DECK A), or G / g (DECK B) button can
make each play possible.

3. Also, the other functions are enabled by pressing two buttons

simultaneously.
A combination of respective functions and buttons is as fol-
lows.

function

button

CD AMS –

s (DECK A), S (CD)

AMS +

s (DECK A), s (CD)

FR

s (DECK B), S (CD)

FF

s (DECK B), s (CD)

Deck-A REW/AMS –

s (CD), g (DECK A)

FF/AMS +

s (CD), G (DECK A)

Deck-B REW/AMS –

s (CD), g (DECK B)

FF/AMS +

s (CD), G (DECK B)

Set

SYSTEM CONTROL terminal

SYSTEM CONTROL terminal

Connector cable (19P)

Pre-Main AMP
and Tuner Unit

AC IN

Power feed jig
(PFJ-1)

Connector cable (17P) of
attachment to power feed jig

Relay connector jig
(J-2501-174-A)

CD/TC signal
change switch

CN101 (15P)
SYSTEM CONTROL
terminal

system cable

Exclusive cable (15P)

P707, P909

Set

CDP/TC

ST