Panasonic SA-AK340P, Service Manual

Page: 2 / 99

Wow and flutter 0.18 % (WRMS)
Fast forward and rewind time Approx. 120 seconds with
C-60 cassette tape
n DISC SECTION
Disc played [8 cm (3”) or 12 cm (5”)]
(1) CD-Audio (CD-DA)
(2) CD-R/RW (CD-DA, MP3, WMA formatted disc)
(3) MP3/WMA
Bit rate
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)
1 Safety Precautions 4
1.1. General Guidelines 4
1.2. Before repair and adjustment 5
2 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices 5
3 Precaution of laser diode 6
4 Handling the Lead-free Solder 7
4.1. About lead free solder (PbF) 7
5 Handling Precautions For Traverse Deck 8
6 Accessories 9
7 Operation Procedures 10
8 New Features 12
8.1. CRS1 Mechanism Overview 12
8.2. Music Port 14
9 Self diagnosis and special mode setting 15
9.1. Special Mode Table 15
9.2. Error code Table 17
10 Assembling and Disassembling 21
10.1. Caution 21
10.2. Disassembly flow chart 22
10.3. Main Parts Location 23
10.4. Disassembly of Top Cabinet 24
10.5. Disassembly of Rear Panel 24
10.6. Disassembly of CD Changer Unit (CRS1) 24
Number of channels 2 (Stereo) (FL,FR)
n GENERAL
Power supply AC 120 V, 60Hz
Power consumption 125 W
Power consumption in standby
mode 0.28 W
Dimensions (W x H x D) 250 x 330 x 343 mm
(9-27/32” x 13” x 13-1/2”)
Mass 6.6 kg (14.6 lb.)
Operating temperature range +5 to +35°C (+41 to +95°F)
Operating humidity range 5 to 90% RH (no condensation)
n
SYSTEM
SC-AK340 (P) Music center: SA-AK340 (P)
Speaker: SB-AK340 (P)
SC-AK340 (PC) Music center: SA-AK340 (PC)
Speaker: SB-AK340 (P)
Notes:
1. Specifications are subject to change without notice. Mass and
dimensions are approximate.
2. Total harmonic distortion is measured by the digital spectrum
analyzer.
10.7. Disassembly of Main P.C.B. 26
10.8. Disassembly of Transformer P.C.B. 26
10.9. Disassembly of Power P.C.B. 27
10.10. Disassembly of Front Panel Unit 28
10.11. Disassembly for Panel P.C.B. 28
10.12. Disassembly of Deck mechanism unit 30
10.13. Disassembly of Deck P.C.B. 30
10.14. Disassembly of Traverse Unit 30
10.15. Disassembly of optical pickup unit (CD mechanism) 32
10.16. Disassembly of deck mechanism 35
10.17. Replacement for cassette lid 37
10.18. Rectification for tape jam problem 38
11 Service Fixture and Tools 39
12 Service Positions 39
12.1. Checking and Repairing of Main P.C.B. 39
12.2. Checking and Repairing of Transformer P.C.B. 40
12.3. Checking and Repairing of Panel, Deck & Deck
Mechanism P.C.B. 41
12.4. Checking and Repairing of Power P.C.B. 42
13 Measurements and Adjustments 43
13.1. Cassette Deck Section 43
13.2. Tuner Section 44
14 Voltage and Waveform Chart 46
14.1. Main P.C.B. 46
CONTENTS
Page Page
2
SA-AK340P / SA-AK340PC