Panasonic SH-MZ1200 Specifications, Maintenance, Troubleshooting guide, Problem Check Action

Specifications

Input sensitivity/input impedance

PHONO (TRIM center)		2.5 mV/47 kΩ
LINE (TRIM center)		250 mV/10 kΩ
EFFECT RETURN		250 mV/47 kΩ
MIC		0.7 mV/1 kΩ
	Rated output voltage/Output impedance
MASTER 1, 2 (RCA)		1 V/600 Ω
MASTER 1 (XLR)		1 V/600 Ω
MONITOR		1 V/1 kΩ
REC OUT		250 mV/1 kΩ
EFFECT SEND		250 mV/1 kΩ
	Headphone output	30 mW/32 Ω
	Frequency response
MASTER 1, 2		20 Hz to 20 kHz
REC OUT		20 Hz to 20 kHz
EFFECT RETURN		20 Hz to 20 kHz
MIC		20 Hz to 20 kHz
	Digital audio input
Coaxial digital input
	Compatible sampling rate	48 kHz/44.1 kHz/32 kHz (PCM)
	Digital audio output
Coaxial digital output
	Sampling rate	44.1 kHz (PCM)

	Equalizer characteristics
CD/LINE/PHONO
	LOW	+12 dB, –24 dB (50 Hz)
	MID	+12 dB, –24 dB (1 kHz)
	HIGH	+12 dB, –24 dB (10 kHz)
MIC
	LOW	+12 dB, –24 dB (100 Hz)
	HIGH	+12 dB, –24 dB (10 kHz)
	General
Power supply		AC 120 V, 60 Hz
Power consumption		35 W
Dimensions (WxHxD)		300 mm x 103 mm x 330 mm
		(1126/32˝ X 41/16˝ X 13˝)
Mass		5.3 kg
		(11.7 lb.)

Note

Specifications are subject to change without notice. Mass and dimensions are approximate.

Maintenance

To clean this unit, wipe with a soft, dry cloth.

•Never use alcohol, paint thinner, or benzine to clean this unit.

•Before using chemically treated cloth, read the instructions that came with the cloth carefully.

Troubleshooting guide

Before requesting service, make the below checks. If you are in doubt about some of the check points, or if the remedies indicated in the chart do not solve the problem,

refer to the “Customer Services Directory” on back cover if you reside in the U.S.A., or refer to the “Product information” on page 4 if you reside in Canada.

Problem	Check	Action			Page Reference
No power.	Has the power plug been disconnected?	Connect the power plug securely.			8
No sound even when the	Has the input switch been set to another	Check the source and set the control to the			9
power is on.	source?	proper position.
The volume is low.	Have any of the units been wrongly	Connect the units properly.			7 - 8
	connected?
	Is the master level control or other volume	Adjust the volume level controls correctly.			9 - 10
	level controls at the MIN position?
Left and right sound is	Have you connected with the left and right	Connect the channels correctly.			7 - 8
reversed.	terminals reversed?
Low hum or buzz is heard	Is there a fluorescent light or other electrical	Place the fluorescent light, other appliances or
during play.	appliances, or are their power cables near	their power cables as far away from the unit as			—
	any of the connecting cables?	possible.
	Has the turntable’s grounding wire been	Connect the grounding wire securely.			8
	disconnected?
Fader (control slider) does	Is one of the faders worn out?	Replace with a new fader.			10
not move smoothly.		Contact your nearest dealer.
Sound is distorted.	Is the master volume level or monitor volume	Adjust the MASTER LEVEL or MONITOR LEVEL			9, 11
	level too high?	control knobs.
	Is the input level too high?	Reduce the level by turning the TRIM control			9
		knob.
External effector's sound is	Is the input level from the external effector	Reduce the external effector's output level by			11
distorted.	too high?	adjusting the SEND or RETURN control knob.
Effect does not appear to be	Is the EFFECT switch OFF?	Turn the EFFECT switch ON for the channel to			11
working.		be used.
Fader operation is reversed.	Is the fader operation switch in the	Turn switch to the NORMAL position.			10
	REVERSE position?
Cannot use the cross fader.	Are the ASSIGN A and ASSIGN B switch	Select the input source assigned to	,	.	9
	settings wrong?
Cannot start the digital	Is the FADER START switch OFF?	Turn ON the FADER START switch for the			13
turntable with the fader.		channel to be used.
	Are the digital turntable and mixer connected	Use a control cable to connect the digital turntable			8
	using a control cable?	to the mixer.
Output is not separated.	Is the SEPARATE OUT switch OFF?	Switch the SEPARATE OUT switch to ON.			12	15

RQT7230