Panasonic sa pm 41 e service manual

Page 2

SA-PMM E I SA-PMMEB l SA-FM41 EG

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, E6)

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

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.

3. The labels HIGH" and Low" on the rear of the speakers refer to
High frequency and Low frequency.

P°wer mnsmptmn 13° W n System : SC»PM41E-S Music center: SA-PM41E-S
Dimensions (W x H x D) 175 mm x 254 mm x 391 mm Speaker: SB-PM41E-M
Mass . . 5'8 k9 n System : SC»PM41EB-S Music center: SA-PM41EB-S
2:21: consumption In standby 0.6 W Speaker: SB-PM41E-M
n System : SC»PM41EG-S Music center: SA-PM41EG-S
Speaker: SB-PM41E-M

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 service information by anyone else could result in serious injury or death.

CONTENTS

1 Safety Precautions
1.1. GENERAL GUIDELINES
2 Caution for AC Mains Lead --

3 Before Repair and Adjustment ............................................... 6
4 Protection Circuitry ----------------------------------------------------------------- 6
5 Handling the Lead-tree Solder ................................................ 6

5.1. About lead free solder (PbF) ------------------------------------------ 5
6 Precaution of Laser Diode ...................................................... 7
7 Handling Precautions For Traverse Deck ............................... 3

3 Accessories ------------- 9

9 Operation Procedures -

10 Information on Disc 8. MP3 -11
11 Assembling and Disassembling ------------------------------------------- 12
11.1. Disassembly flow chart ------------------------------------------------- 13
11.2. Disassembly of Side Panel L & R --------------------------------- 14
11.3. Disassembly of Top Cabinet ----------------------------------- 14

11.4. Disassembly of Deck P.C.B. and Tape Eject P.C.B. ------ 14
11.5. Disassembly of Front Panel ................................. 15
11.6. Disassembly of Main Control P.C.B., Function P.C.B. and

Power In P.C.B.- 6

11.7. Disassembly of Panel P.C.B. -17
11.8. Disassembly of Rear Cabinet --------------------------------------- 17
11.9. Disassembly of Main P.C.B. ----------------------------------------- 18
11.10. Disassembly of Transformer P.C.B. ------------------------------ 18
11.11. Disassembly of Tuner Pack ------------------------------------------ 19
11.12. Disassembly of Power P.C.B. --------------------------------------- 19
11.13. Disassembly of CR16 Mechanism --------------------------------- 19
11.14. Replacement of CD Lid ------------------------------------------------ 20

11.15. Replacement of Cassette Lid ------------

11.16. Replacement of the Power IC and Transistors --
11.17. Procedure for Replacing Pinch Roller and Head Block
(Deck Mechanism Unit) ------------------------------------------------ 22

Page

11.18. Procedure for Replacing Motor, Capstan Belt A, Capstan
Belt B, and Winding Belt (Deck Mechanism Unit) "23

11.19. Procedure for Replacing Parts on Deck Mechanism PCB
----------------------------------------------------------------------------------- 25
11.20. Disassembly of CR16 Mechanism --------------------------------- 25
11.21. Replacement of optical pickup unit (CD mechanism) ----- 26

11.22. Replacement of a traverse gear A and a traverse gear B
----------------------------------- 28
11.23. Procedure for removing CD loading mechanism ------------ 29

11.24. CR16 mechanism disassembly procedure-"-
11.25. CR16 MECHANISM ASSEMBLY PROCEDUR
11.26. Disassembly of traverse mechanism ------------

11.27. Handling of cassette tape jam ...................................... 4g

12 Service Positions .................................................................. 50
12.1. Checking procedure ----------------------------------------------------- 50
12.2. Checking the major P.C.B -------------------------------------------- 50

13 Self-Diagnostic Display Function .......................................... 51
13.1. Entering into Self-Diagnostic Mode ............................... 51

13.2. Clearing Self-Diagnostic Memory
13.3. Displaying Self-Diagnostic Results-
13.4. Error Code Table -------------------

13.5. Deck Mechanism Self-Diagnostic Mode ------------------------- 54
13.6. Changer Reliability Test Mode -------------------------------------- 54
13.7. Changer Operation Checking ---------------------------------------- 55
13.8. CR16 Mechanism Ageing Mode ------------------------------------ 55
14 Procedure for Checking Operation of Individual Parts of Deck

Mechanism Unit ............................................................ 57
14.1. Operation Check with Cassette Tape ............................ 57
14.2. Operation Check without Cassette Tape -

15 Measurement And Adjustments

15.1. Cassette Deck Section

16 Voltage Measurement ----------------------------------------------------------- 61