Panasonic sa pmx 1 e service manual

Page 2

SA-PMX1E I SA-PMX1EB l SA-PMX1EG

Laser power CLASS 1
Audio output (Disc)
Number of channels 2 Channel

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)
[1 General

Power supply AC 230 V, 50 Hz (For E, EG)

AC 230 to 240 V, 50 HZ (For EB)

Power consumption 80 W
Dimensions (W x H x D) 174 mm x 242 mm x 318 mm
Mass 4.9 kg

Operating temperature range +5C to +35°C

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

Power 0.8 W

mode

consumption in standby

Notes :

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

2. Total harmonic distortion is measured by the digital spectrum

analyzer.

n System : SC-PMX1E-S Music center: SA-PMXtE-S
Speaker: SB»PMX1EG-M

Music center: SA-PMXtEB-S
Speaker: SB-PMX1EG-M

Music center: SA-PMX1EG-S

Speaker: SB»PMX1EG-M

n System : SC»PMX1EB-S

n System : SC-PMX1EG-S

A WARNING

This service inlormation 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 service 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 --------------------------------- 7

3 Precaution of Laser Diode .....................
4 Handling Precautions For Traverse Deck-
5 Handling the Lead free Snider ...............

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 information ----------------------------------------------------------- 13
8 Self-Diagnosis & Special Mode Setting -------------------------------- 15

8.1. Special Mode Table
8.2. Error Code Table
9 Assembling and Disassembling
9.1. Caution --------------------
9.2. Disassembly flow chart ------------------------------------------------- 28
9.3. Main Parts Location Diagram ---------------------------------------- 29

9.4. Disassembly of Top Cabinet -------------------
9.5. Disassembly of Front Panel & Deck Mechanism ------------ 30
9.6. Disassembly of FL, Switch, Music Port 8. Headphone
P.C.B. -------------------------
9.7. Disassembly of Rear Cabinet
9.8. Disassembly of Main P.C.B
9.9. Disassembly of Inner Chassis
9.10. Disassembly of CD Mechanism ------------------------------------ 34
9.11. Disassembly of Transformer P.C.B. ------------------------------ 34

Page
9.12. Disassembly of Tuner Extent P.C.B. ----------------------------- 34
9.13. Replacement of the Power lC -------------------------------- 34

9.14. Disassembly of Traverse Unit, Driving Gear, and Cam
Gear (CD Mechanism Unit) ------------------------------------------- 35
9.15. Disassembly of Optical Pickup (CD Mechanism Unit) ----- 38
9.16. Disassembly of Traverse Gear A and Traverse Gear B
(CD Mechanism Unit) -------------------------------------- 39
9.17. Procedure for Replacing Pinch Roller and Head Block

--40
9.18. Procedure for Replacing Motor, Capstan Belt A, Capstan

(Deck Mechanism Unit

Belt B, and Winding Belt (Deck Mechanism Unit) ---------- 41

9.19. Procedure for Replacing Parts on Deck Mechanism PCB
----------------------------------- 43
9.20. Disassembly of Loading Mechanism ----------------------------- 43
10 Service Positions --------------------------------------------------------- 47
10.1. Checking and Repairing of Transformer P.C.B. ------------- 47
10.2. Checking and Repairing of Deck P.C.B. ------------------------ 48

10.3. Checking and Repairing of FL, Switch, Headphone and

Music Port P.C.B. --------------------------------------------------------- 49
10.4. Checking and Repairing of Main P.C.B. ------------------------ 50
10.5. Checking and Repairing of CD Servo P.C.B. ----------------- 51
11 Procedure for Checking Operation of Individual Parts of Deck
Mechanism Unit ------------------------------------------------------------ 52
11.1. Operation Check with Cassette Tape ---------------------------- 52
11.2. Operation Check without Cassette Tape ----------------------- 52
12 Measurement And Adjustments -------------------------------------------- 54

12.1. Cassette Deck Section .................

13 Voltage Measurement & Waveform Chart

13.1. Voltage Measurement ...................
13.2. Waveform Chart ----------------------------------------------------------- 51

14 Wiring Connection Diagram -------------------------------------------------- 63