Panasonic sa pm 41 p service manual

Page 2

SA-PM41 P I SA-PM41 PC

D/A converter
MP3
Bit rate

MASH (1 bit DAC)

32kbps - 320kbps
Sampling frequency 32kHz, 44.1kHz, 48kHz

[1 Speaker Section

Type 2 way, 2 speaker system
Speaker(s)

Full Range 10 cm (4) cone type
Tweeter 6 cm (2 18") cone type
Impedance 6 9
Input power

HIGH 70 w (Max)
LOW 70 w (Max)

Output sound pressure level 80 dB/W (1.0 m)
55 HZ - 22 kHz (-16 dB)
70 HZ - 20 kHz (-10 dB)

128 mm x 250 mm x 222 mm
(5 13; x 9 27/32 x 8 3/4")

Frequency range

Dimensions (W x H x D)

Mass 1.95 kg (4.30 lbs)

n General

Power supply AC 120 V, 60 Hz
130 W

179 mm x 250 mm x 383 mm
(7 m5" x 9 27/32" x 15 3In")

Power consumption
Dimensions (W x H x D)

Mass 5.24 kg (11.55 lbs)
Power consumption in standby 0.8W
mode

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.

n System : SC-PM41P-S Music center: SA-PM41P-S
Speaker: SB-PM41P-S

Music center: SA-PM41PC-S
Speaker: SB-PM41P-S

n System : SC-PM41PC-S

AWARNING

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 advtse 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

2 Before Repair and Adjustment ---------------------------------------- 6
3 Protection Circuitry ------------------------------------------------------ 6
4 Handling the Lead-free Solder ---------------------------------------- 7
4.1. About lead free solder (PbF) ----------------------------------- 7

5 Precaution of Laser Diode -------------------- -8

6 Handling Precautions For Traverse Deck

7 Accessories -------------------------------------- 10
8 Operation Procedures ------------------------------------------------- 11
9 Information on Disc & MP3 ------------------------------------------ 12
10 Assembling and Disassembling ------------------------------------ 13
10.1. Disassembly flow chart ----------------------------------------- 13
10.2. Disassembly of Side Panel L 8. R ---------------------------- 14
10.3. Disassembly of Top Cabinet ---------------------------------- 14
10.4. Disassembly of Deck P.C.B. and Tape Eject P.C.B -- 14

10.5. Disassembly of Front Panel- --15
10.6. Disassembly of Main Control P.C.B., Function P.C.B. and

Power In P.C.B. ---------------------------------------------- 16
10.7. Disassembly of Panel P.C.B. --------------------------------- 17
10.8. Disassembly of Rear Cabinet --------------------------------- 17
10.9. Disassembly of Main P.C.B. ----------------------------------- 18
10.10. Disassembly of Transformer P.C.B. ------------------------- 18
10.11. Disassembly of Tuner Pack ----------------------------------- 19

10.12. Disassembly of Power P.C.B.
10.13. Disassembly of CR16 Mechanism -
10.14. Replacement of CD Lid-

Page
10.15. Replacement of Cassette Lid --------------------------------- 21
10.16. Replacement of the Power IC and Transistors ------------ 22

10.17. Procedure for Replacing Pinch Roller and Head Block
(Cassette Mechanism Unit) ------------------------------------ 23
10.18. Procedure for Replacing Motor, Capstan Belt A, Capstan
Belt B, and Winding Belt (Cassette Mechanism Unit)----23
10.19. Procedure for Replacing Paris on Mechanism PCB
10.20. Disassembly of CR16 Mechanism
10.21. Replacement of optical pickup unit (CD mechanism) --26

10.22. Replacement of a traverse gear A and a traverse gear B

--------------------------------------------------------------------- 28
10.23. Procedure for removing CD loading mechanism ---------- 29
10.24. CR16 mechanism disassembly procedure ------------------ 29
10.25. CR16 MECHANISM ASSEMBLY PROCEDURE ---------- 35
10.26. DiSassembly of traverse mechanism ........................ 43

10.27. Handling of cassette tape jam

11 Service Positions -

11.1. Checking procedure

11.2. Checking the major P.C.B ------------------------------------- 50
12 Self-Diagnostic Display Function ----------------------------------- 51
12.1. Entering into Self-Diagnostic Mode -------------------------- 51
12.2. Clearing Self»Diagnostic Memory ----------------------------- 52
12.3. Displaying Self-Diagnostic Results --------------------------- 53
12.4. Error Code Table ------------------------------------------------ 53
12.5. Cassette Mechanism Self-Diagnostic Mode --54
12.6. Changer Reliability Test Mode 54
12.7. Changer Operation Checking 55