Panasonic sa pm 91 dee service manual

Page 2

SA-PM91 DEE

Composite video output
Output level 1 Vp-p (759)
Terminal Pin jack (1 system)
S-Video output
Y output level 1 Vp-p (75:1)
0.3 Vp-p (759) (PAL)
0.286 Vp-p (759) (NTSC)
)

8 terminal (1 system

C output level

Terminal

RGB video output
R output level 0.7 Vp-p (7511)
0.7 Vp-p (759)
0.7 Vp-p (759)

SCART jack

G output level
B output level
Terminal

n Cassette Deck Section

Track system 4-track, 2-channel

Heads

Record/playback Solid permalloy head
Erasure Double gap ferrite head
Motor DC servo motor

AC bias 100 kHz
AC erase 100 kHz

Recording system

Tape speed 4.8 cm/sec
Overall frequency response (+3, -6 dB) at Deck Out

Normal 35 Hz - 14 kHz
S/N ratio 50 dB (A weighted)

Wow and flutter 0.18% (WRMS)

Approx. 120 seconds with C-60
cassette tape

Fast fonNard and rewind time

n FM Tuner Section

87.50 - 108.00 MHZ
(50 kHz step)

Frequency range

Sensitivity 1.6 pV (IHF)
SN 26 dB 1.5 V
Antenna terminals 75 Q (unbalance)
Preset stations 15

n AM Tuner Section

Frequency range 522 - 1629 kHz (9 kHz steps)

Sensitivity

SN 20 dB at 999 kHz 560 pV/m
Image rejection at 999 kHz 40 dB
Preset stations 15

n General

Power supply AC 230 V, 50 Hz

Power consumption 140 W
Dimensions (W x H x D) 175 mm x 248 mm x 388 mm
Mass 5.8 kg

+5°C to + 35°C

5% to 90% RH (no
condensation)

0.5 W

Operating temperature range
Operating humidity range

Power consumption in standby mode

n System

n System: SC-PM91DEE-S Music Center: SA-PM91DEE-S
Speaker: SB-PM91P-MJ

Notes :

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

2. Total harmonic distortion is measured by the digital spectrum
analyzer.

A. WARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public.

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service
or repair the product or products dealt with in this sen/ice information by anyone else could result in serious injury or death.

CONTENTS

Page

1 Safety Precautions ------------------------------------------------------------------ 4

1.1. GENERAL GUIDELINES ................................................ 4

2 Before Repair and Adjustment ............................................... 5

3 Protection Circuitry ----- 5
4 Prevention of Electra Static Discharge (ESD) to

Electrostatically Sensitive (ES) Devices ................................. 5

5 Handling the Lead-free Solder ------------------------------------------------ 5

5.1. About lead free solder (PbF)-
6 Precaution of Laser Diode

7 Cautions to be taken when handling Optical Pickup

7.1. Handling Optical Pickup -----
7.2. Replacing Precautions for Optical Pickup Unit ................. 8
7.3. Grounding for Preventing Electrostatic Destruction ---------- 8

Page

8 Accessories ---------------------------------------------------------------------------- 9
9 Operation Procedures ........................................................... 10
10 Disc Information ------------------------------------------------------------------- 12
11 About HighMAT --------------------------------------------------------------------- 14
11.1. Whatjj HighMAT? ---------------------------------------------- 14
11.2. Why take advantage of HighMAT? -------------------------------- 14

11.3. Benefits of HighMAT?
12 Assembling and Disassembling

12.1. Disassembly flow chart --
12.2. Disassembly of Side Panel (L) & (R)

12.3. Disassembly of Top Cabinet unit .................................. 20
12.4. Disassembly of Deck Mechanism and Tape Eject P.C.B--20
12.5. Disassembly of Front Panel Assembly .......................... 21