Panasonic sa ak340e

Page 2

SA-AKZMOE I SA-AKCMOEB l SA-AKIMOEG

MP3, WMA 32 kbps to 320 kbps
Sampling frequency

MP3/WMA 32 kHz, 44.1 kHz, 48 kHz
CD-DA 44.1 kHz
Decoding 16 bit linear
Digital filter 8 fs
D/A converter MASH (1 bit DAC)
Pick up

Wavelength 780 nm

Beam Source Semiconductor laser
Audio output (Disc)
Number of channels
n GENERAL

Power supply

For E/EG only

2 (Stereo) (FL,FR)

AC 230 V, 50HZ

Power consumption in standby 0.5 W
mode

Dimensions (W x H x D) 250 x 330 x 343 mm
Mass 6.9 kg
Operating temperature range +5 to +35°C

Operating humidity range
It SYSTEM
SC-AK340 (E-S)

5 to 90% RH (no condensation)

Music center: SA-AK340 (E-S
Speaker: SB-AK340 (GC-SJ
Music center: SA-AK340 (EB-S
Speaker: SB-AK340 (GC-SJ
Music center: SA-AK340 (EG-S
Speaker: SB-AK340 (GC-SJ

SC-AK340 (EB-S)

SC-AK340 (EG-S)

Notes:

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

For EB only AC 230 to 240 V, 50HZ
Power consumption 120 W 2. Total harmonic distortion is measured by the digital spectrum
analyzer.
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

1.2. Caution for AC Mains Lead -------------------------------------------- 5
1.3. Before repair and adjustment ......................................... 5
1.4. Protection Circuitry --------------------------------------------------------- 6

2 Prevention of Electra Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices ................................. 6
3 Handling Precautions For Traverse Deck ............................... 7
4 Precaution of Laser Diode ------ 3
5 Handling the Lead-free Solder 9
5.1. About lead free solder (PbF)- 9
6 New Features -------------------------- o
6.1. CRS1 Mechanism Overview ......................................... 10
6.2. Music Port ------------------------------------------------------------------- 12
7 Accessories -------------------------------------------------------------------------- 13
8 Operating Instructions Procedures .................................... 14
9 Self diagnosis and special mode setting .............................. 15
9.1. Special Mode Table ..................................................... 15

9.2. Error code Table ------------ -18

10 Assembling and Disassembling

10.1. Caution ----- .22
10.2. Disassembly flow chart ................................................. 23
10.3. Main Parts Location ..................................................... 24
10.4. Disassembly of Top Cabinet ----------------------------------------- 25
10.5. Disassembly of Rear Panel ........................................ 25
106. Disassembly of CD Changer Unit (CRs1) ..................... 25

10.7. Disassembly of Main P.C.B. ----------------------------------------- 27

10.8. Disassembly of Transformer P.C.B
10.9. Disassembly of Power P.C.B.

10.10. Disassembly of Front Panel Unit ----------------------------------- 29
10.11. Disassembly for Panel P,C_B_ ....................................... 29
10.12. Disassembly of Deck mechanism unit --------------------------- 31
10.13. Disassembly of Deck P.C.B. ----------------------------------------- 31

----------------------------- 31
10.15. Disassembly of optical pickup unit (CD mechanism) ------ 33

10.14. Disassembly of Traverse Unit -----

10.16. Disassembly of Deck Mechanism

10.17. Replacement for cassette lid
10.18. Rectification for tape jam problem-

11 Service Fixture and Tools ..................

12 Service Positions .................................................................. 40
12.1. Checking and Repairing of Main P_c;_l3_ ........................ 40
122- Checking and Repairing of Transformer P.c.l3_ - 41

12.3. Checking and Repairing of Panel, Deck & Deck
Mechanism P.C.B. ---------------------------------------------- 42
12.4. Checking and Repairing of Power P.C.B. ---------------------- 43
13 Adjustment Procedures
13.1. Cassette Deck Section

13.2. Tuner Section ---------- ..45
14 Voltage and Waveform Chart ................................................ 47
14.1. CD Servo P.C.B. & Main P.C.B. ----------------------------------- 47
14.2. Power P.C.B. and Transformer P.C.B. -------------------------- 49
14.3. Waveform Chart ----------------------------------------------------------- 50
15 Wiring Connection Diagram .................................................. 52
16 Block Diagram ---------------------------------------------------------------------- 53