Panasonic sa pm19

Page 2

SA-PM19P I SA-PM19PC

Beam source/ Wavelength Semiconductor laser / 780 nm

Number of channels Stereo
20 Hz - 20 kHz (+1, -2dB)

Below measurable limit
Digital filter 8 fs

MASH (1 bit DAC)

Frequency response
Wow and flutter

D/A converter
M P3

Bit rate
Sampling frequency

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

I General
Power supply
Power consumption

AC 120 V, 60 Hz

130 W

179 x 250 x 383 mm

(7-1/16 x 9-27/32" X 15-3/32")

Dimensions (W x H x D)

Mass 5.24 kg (11.55 lbs.)

Power consumption in standby mode: 0.8W
I System: SC-PM19P-S Music Center: SA-PM19P-S
Speaker: SB-PM19P-MA
Music Center: SA-PM19P-S
Speaker: SB-PM19P-K
Music Center: SA-PM19PC-S

Speaker: SB-PM19P-MA

I System: SC-PM19P-K

I System: SC-PM19PC-S

Notes:
1.8pecifications are subject to change without notice.
Mass and dimensions are approximate.
2. Total harmonic distaltion is measured by the digital spectrum
analyzer.
3. The labels HIGH (HF)" and LOW (LF)" on the rear of the
speakers refer to High frequency and Low frequency.

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 warnlngs or cautions to adVISe non-technical lndlviduals Of potential dangers in attemptan to SeI'VICe 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 ----------------------------------------------- 5
3 Protection Circuitry ----------------------------------------------------------------- 5
4 Handling the Lead-tree Solder ------------------------------------------------ 6
4.1. About lead free solder (PbF) ------------------------------------------ 6

5 Precaution of Laser Diode ------------------------------------------------------ 7

6 Handling Precautions For Traverse Deck
7 Accessories-

8 Operation Procedures

9 Assembling and Disassembling ------------------------------------------- 11
9.1. Disassembly flow chart ------------------------------------------------- 11
9.2. Disassembly of Side Panel L 3. R ................................. 12
9.3. Disassembly of Top Cabinet ----------------------------------------- 12
9.4. Disassembly of Deck P.C.B. & Tape Eject P.C.B. ---------- 12
9.5. Disassembly of Front Panel ------------------------------------------ 13
9.6. Disassembly of Panel P.C.B., Headphone P.C.B. and

Switch P.C.B

9.7. Disassembly of Tact Switch P.C.B.
9.8. Disassembly of Rear Panel -----

9.9. Disassembly of Main P.C.B. ......................................... 14
910- Disassembly of Transformer 13.0.13, .............................. 15
9. Disassembly of Speaker Terminal P.C.B ....................... 15
9.12. Disassembly of Power P.C.B ........................................ 15
9.13. Disassembly of Metal chassis-m ............................ 15
9.14. Checking Procedure for Each Major P.C.B. ................... 17
9-15. PrOCedure for Replacing Cassette Holder ...................... 17

9.16. Procedure for Replacing Pinch Roller and Head Block
(Cassette Mechanism Unit) ------------------------------------------- 18

Page
9.17. Procedure for Replacing Motor, Capstan Belt A, Capstan
Belt B. and Winding Belt (Cassette Mechanism Unit) ----- 19
9.18. Procedure for Replacing Parts on Mechanism PCB ------- 20
9.19. Replacement of CD traverse deck -------------------------------- 21
9.20. Replacement of optical pickup unit (CD mechanism) ----- 22
9.21. Replacement of a traverse gear A and a traverse gear B

9.22. Procedure for removing CD loading mechanism-
9.23. CR16 mechanism disassembly procedure-
9.24. CR16 MECHANISM ASSEMBLY PROCEDURE-

9.25. Disassembly of traverse mechanism --------------------- 43
9.26. Handling of cassette tape jam """""""""""""""""""""""""" 44
10 Service Positions ------------------------------------------------------ 45
10.1. Checking procedure ---------------------------------------- 45
10.2. Checking the major P.C.B. ------------------------------------------- 45
11 Self-Diagnostic Display Function --------------------------------------- 46

11.1. Preparations ................................
11.2. Setting of the Self-Diagnostic Mode-
11.3. Restoring Normal Display .............
11.4. Clearing Self-Diagnostic Memory .................................. 46
11.5. Displaying Self-Diagnostic Results ................................ 46

12 Procedure for Checking Operation of Individual Parts of
Cassette Mechanism Unit .....................

12.1. Operation Check with Cassette Tape ............................ 49
12.2. Operation Check without Cassette Tape ....................... 49
13 Measurement And Adjustments ............................................ 51

13.1. Tuner/CD Sections --
13.2. Cassette Deck Section
14 Block Diagram --------------------