Sansui 9900Z User Manual

9900Z/8900ZDB/7900Z
| © SPECIFICATIONS -
SERVICE MANUAL
@ Audio section:
Power output
<9900Z> : ; :
Min. RMS, both channels drivén; fron’ 20 to 20,000 ‘Hz, with
“no more than 0,015 % total harmonic distortion. : : :
160 watts per channel into:8 ohms
<8900ZDB>. ernest
~ Min; RMS, both channels driven, from 20 to 20, 000 Hz, with
‘no more than-0.02 % total-harmonic distortion
125 waits per channel into 8 ohms
<7900Z> : :
“Min. RMS, both channels davai from.20 to 20, 000 Hz; ‘with
no.more than 0.02 % total harmonic distortion - es
100 watts per channel into-8 ohms :
Load.impedance ... ; .°8 ohms -
Total harmonic distortion ©” Csi, Be Re ea
©. <€9900Z>. 0... 12°.) + less than 0:015 % at-or below
: ~ : rated:‘min: RMS power: output”.
* <8900ZDB, 7900Z> - :. less than 0.02.%'at or below :
: ~ rated min. RMS. power outpi
: (nternéditiation distortion (60 Hz : 7 kHz = 4-2-7 ‘SMPT
DIGITAL QUARTZ SYNTHESIZER.
‘DC STEREO RECEIVER
SANSUI 99007
method) Bh
25 €9900Z> oe ee ed bess than 0. 01s 6 at: rated power ve
y “os outpdt.. 5: =
<8900ZDB, 7900Z> less than 0.02 % at “rated power
output °° a ‘
Frequency Fesponse (at 1 watt) ae “
Overall (from AUX)... 5 to:100,000 Hz; 40 dB, =3 0. 4
RIAA curve deviation (PHONO, 20. Hz‘to 20: KHz). °
se igetselt ope eles arta tahetes +0:2.dB,:—0.2 dB.
Damping factor (20 Hz. to.20 kHz, both channels driv
whe -Gkad. ata pesditene rete» 40 into 8 ohms
input sensitivity _ impedance (at 1kHz).
PHONO-1, 2: -2.5:mV/47 kilohms:
(Max: input capability 200 mV.at‘l kHz, less than ot %:
total harmonic'distortion)” ‘
as 1,2 PLAY; AUX:
Output level (at.1 ete
TAPE: q = REC.
Channel separation (at 1:kHz)
PHONO-1,20 23.2 50.dB *
AUX... 6.003 ee 60dB -*
Controls 2 CeO EA
“ BASS. . 205. eee i $10.dB at'50-Hz
TREBLE ©. .:. .- +10 dB at 10 kHz ®: Bf
HIGH FILTER’. =3 dB ‘at 5. kHz.(6 dB/oct).
LOUDNESS (VOLUME: ~30 dB position) =
sugeatets ce eee ee 8B at SOHZ 8 22
$ 6-dB at.10:kH2":
AUDIO MUTING. <. —20dB° 1.”
“to be continuédh ~

Sansui 9900Z Specifications

General

Brand	Sansui
Model	9900Z
Category	Stereo Receiver
Language	English

Summary

SPECIFICATIONS

FM Section

Detailed specifications for the FM tuner section.

AM Section

Detailed specifications for the AM tuner section.

Others

Specifications for power, dimensions, and weight.

PARTS LIST

F-3296 Digitally Frequency Display Circuit Board

Parts for the digital frequency display circuit.

F-3297 Preset Section Circuit Board

Parts for the preset section circuit board.

F-3298 Analog Dial Display Circuit Board

Parts for the analog dial display circuit.

F-3299 Spectrum Analysis Display Circuit Board

Parts for the spectrum analysis display circuit.

F-3301 Stereo Indicator Circuit Board

F-3302 FM Mode Switch Circuit Board

F-3303 Audio Muting Circuit Board

F-3304 Input Terminal Circuit Board

F-3305 EQ. Amp. & Input Terminal Circuit Board

F-3306 Input Source Indicator Circuit Board

F-3307 Tone Control Circuit Board

F-3308 Tone Control Circuit Board

F-3300 Tuner Circuit Board

F-3309 Power Supply Circuit Board

F-3310 Protector Circuit Board

F-3311 Speaker Selector Switch Circuit Board

F-3312 Head Phone Jack Circuit Board

F-3313 Manual Tuning (Up/Down) Detector Circuit Board

F-3314 Master Volume (Up/Down) Switch Circuit Board

F-3316 Power Peak Indicator Circuit Board

F-3317 IF Output (AM Stereo) Circuit Board

F-3431 AM Channel Selector Circuit Board

F-3401 Speaker Terminal Circuit Board

F-3402 Head Phone Jack Circuit Board

F-3403 Speaker Selector Switch Circuit Board

F-3405 Rectifier Circuit Board

F-3406 Driver Amp. Circuit Board

F-2688 Dolby NR Circuit Board

F-3407 Power Supply & Power Amp. Circuit Board

F-3430 Manual Tuning (Up/Down) Switch Circuit Board

OPERATIONS

Main Function

Overview of the unit's primary functions.

Operation of Manual Tuning in 9900Z and 8900ZDB

Details on manual tuning for specific models.

Muting Operation

Explanation of the muting function.

INTERIOR BLOCK DIAGRAM OF IC

TC9140P IC Details

Block diagram and functions of the TC9140P IC.

TC9140P Terminal Functions

ADJUSTMENTS

FM IF, RF Adjustment

Procedures for adjusting FM IF and RF stages.

FM STEREO Adjustment

Procedures for adjusting FM stereo reception.

AM IF Adjustment & Dial Calibration

Procedures for AM IF alignment and dial calibration.

Bias Current Adjustment

Steps to adjust bias current for audio stages.