Panasonic sa vk31ee

Page 2

Discs played [8 cm or 12 cm]

(1) CD-Audio (CD-DA)

(2) Video CD

(3) CD-R/RW (CD-DA, Video CD, MP3 formatted disc)
(4) MP3

Sampling frequency 44.1 kHz
Decoding 16 bit linear
Pickup

Beam source/wavelength
Semiconductor laser/780 nm
Number of channels Stereo
Frequency response
20 Hz-2O kHZ (+1, -2 dB)
Wow and flutter Below measurable limit
Digital filter 81s
D/A converter MASH (1 bit DAC)
Video

Video signal system

PAL625/50, PAL525/60, NTSC

MP3
Bit rate 32 kbps - 320 kbps
Sampling frequency

32 kHz, 44.1 kHz, 48 kHz

11 GENERAL

Power Supply AC 230-240 V, 50 HZ
Power consumption 251 W
Dimensions (WxH xD) 250 x 330 x 358 mm
Mass 7.9 kg

Power consumption in standby mode: 0.85 W

n SYSTEM
SC-VK31 (EE) Music center: SA-VK31 (EE)
Front speaker: SB-VK31 (GC)

Note:

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

2. Total harmonic distortion is measured by the digital spectrum

Output level |
Composite video, 1 Vp-p, 75 Q ana yzer. _
Terminal Pin jack (1 system) 3. HIGH stands for High Frequency. LOW stands for 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 warnings or cautions to advise non-technical indivtduals of potential dangers in attempting to servrce 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 Before Repair and Adjustment

2 Protection circuitry --
3 Prevention of Electro Static Discharge (ESD) to

Electrostatically Sensitive (ES) Devices --------------------------------- 5
4 Handling the Lead Solder ------------------------------------------------------- 5
4.1. About lead free solder (PbF) ------------------------------------------ 5
5 Handling Precautions For Traverse Deck ------------------------------- 6
6 Precaution of Laser Diode ------------------------------------------------------ 7
7 Accessories ---------------------------------------------------------------------------- 3
8 Operation Procedures -------------------------------------------------- 9
9 Operation Checks and Main Component Replacement

Procedures --------------------------------------------------------------------------- 10
9.1. Disassembly of Top Cabinet and Rear Panel ---------------- 11
9.2. Disassembly of CD Mechanism Unit ----------------------------- 13

9.3. Disassembly Main P.C.B., Transformer P.C.B. & MP3
P.C.B. -------------------------------------------- 14
9.4. Disassembly of Panel P.C.B. & Tact Switch P.C.B. ------- 15

9.5. Disassembly of Deck Mechanism Unit & Deck P.C.B. ----16
9.6. CD Mechanism Main Component Replacement

Procedures -------------------------- - 16

9.7. Disassembly Deck Mechanism-

9.8. Replacement for the cassette lid ass D

9.9. Measure for tape trouble
10 Service Position
10.1. Checking the Main P.C.B., Power P.C.B. 8. Transformer

P.C.B. ----------------------------------------------------------------------- 34

10.2. Checking the Panel P.C.B., Tact Switch P.C.B., Deck
P.C.B. & Deck Mechanism P.C.B. --------------------------------- 35
11 Description of Error Code ----------------------------------------------------- 36
11.1. Abnormality Detection for DECK Mechanism ----------------- 36
11.2. Abnormality detection for CD/Changer Block ----------------- 36

11.3. Power Supply Related Error Detection-

12 Self-Diagnostic Function
12.1. Self-diagnostic display

12.2. How to enter the Self-Diagnostic Function --------------------- 37
12.3. Cassette Mechanism Test (For error code H01, H02, H03,
F01) ---------------------------------------------------------------------------- 37
12.4. CD Mechanism Test (F15, F26, F16, F17, F27, F28, F29,
H15) ---------------------------------------------------------------------------- 38
12.5. To clear all Error code -------------------------------------------------- 38
12.6. How to get out from Self-Diagnostic function ----------------- 38

12.7. Power Amplifier Failure (F61
13 CD Test Mode Function-
13.1. How to set CD test mode