Panasonic sa pmx 1 dbeb service manual

Page 2

SA-PMX1DBEB

Wow and flutter 0.08% (WRMS)

Approx. 120 seconds with C»60
cassette tape

Fast forward and rewind time

11 CD Section

Disc played [8 cm or 12 cm]

(1) CD-Audio (CD-DA)

(2) CD»R/RW (CD-DA, MP3 formatted disc)

(3) MP3
Sampling frequency

CD 44.1 kHz
MP3 32 kHz, 44.1 kHz, 48 kHz
Bit rate

MP3 32 kbps to 384 kbps
Decoding 16/20/24 bit linear
Pickup

Beam source Semiconductor laser

Frequency response 20 Hz to 20 kHz (+1, -2 dB)

Wow and flutter Below measurable limit
Digital filter 8 fs
D/A converter MASH (1 bit DAC)
n General

Power supply AC 230 to 240 V, 50 Hz

Power consumption 80 W
Dimensions (W x H x D) 174 mm x 242 mm x 318 mm
Mass 5.0 kg
Operating temperature range +5 to +35°C

Operating humidity range 5% to 90% RH (no condensation)

Power consumption 0.8 W (approx.)

mode

in standby

Notes :

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

Wavelength 785 nm 2. Total harmonic distortion is measured by the digital spectrum
I .
Laser power CLASS 1 ana yzer
Audio output (Disc) n System : SC»PMX1DBEBS Music center: SA-PMX1DBEBS
S k : SB»PMX1EG-M
Number of channels 2 Channel pea er
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

1.2. Caution for AC Cord ----------------------------------------------- 5

1.3. Before Repair and Adjustment ---------------------------------------- 6

1.4. Protection Circuitry--- --------------------------------------------------- 6

2 Prevention of Electro Static Discharge (ESD) to

Electrostatically Sensitive (ES) Devices
3 Precaution of Laser Diode

4 Handling Precautions For Traverse Deck-

5 Handling the Lead free Solder .............................................. 10
5.1. General description about Lead Free Solder (PbF) -------- 10
6 Accessories -------------------------------------------------------------------------- 11

7 Operating Instructions Procedures -----
7.1. Main Unit & Remote Control Operation ------------------------- 12
7.2. Disc Operation ------------------------------------------------------------- 13
8 Self-Diagnosis & Special Mode Setting
8.1. Special Mode Table
8.2. Error Code Table --

9 Assembling and Disassembling ........................................... 27
9.1. Caution ................................................ 27
9.2. Disassembly flow chart ................................................. 28
9.3. Main Parts Location Diagram ........................................ 29
9.4. DiSassembly of Top Cabinet ......................................... 30
9.5. Disassembly of DAB Module Unit ................................. 30

9.6. Disassembly of Front Panel & Deck Mechanism ------------ 31

Page

9.7. Disassembly of FL, Switch, Music Port 8 Headphone
P.C.B. -------------------------------------------------------------------------- 32
9.8. Disassembly of Rear Cabinet --------------------------------------- 33
9.9. Disassembly of Main P.C.B. ----------------------------------------- 34
9.10. Disassembly of Inner Chassis --------------------------------------- 34
9.11. Disassembly of CD Mechanism ------------------------------------ 34

9.12. Disassembly of Transformer P.C.B
9.13. Disassembly of Tuner Extent P.C.B
9.14. Replacement of the Power lC

9.15. Disassembly of Traverse Unit, Driving Gear, and Cam
Gear (CD Mechanism Unit) ------------------------------------------- 35

9.16. Disassembly of Optical Pickup (CD Mechanism Unit) ----- 38

9.17. Disassembly of Traverse Gear A and Traverse Gear B

(CD Mechanism Unit) -------------------------------------- 40
9.18. Procedure for Replacing Pinch Roller and Head Block
(Deck Mechanism Unit) ------------------------------------------------ 40
9.19. Procedure for Replacing Motor, Capstan Belt A, Capstan
Belt B, and Winding Belt (Deck Mechanism Unit) ---------- 42
9.20. Procedure for Replacing Parts on Deck Mechanism PCB
----------------------------------------------------------------------------------- 43
9.21. Disassembly of Loading Mechanism ----------------------------- 43
10 Service Fixture & Tools -------------------------------------------------------- 47
11 Service Positions --------------------------------------------------------- 47
11.1. Checking and Repairing of Transformer P.C.B. ------------- 47
11.2. Checking and Repairing of DAB Module Unit ---------------- 48