Panasonic sa ak 633 p service manual

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(3) MP3 Power consumption 255 W
Bit rate Power consumption in standby 0.38 W
MP3 32 kbps - 320 kbps "0?
Sampling frequency Dimensions (W x H x D) 250 x 330 x 341 mm
MP3 32 kHz, 44.1 kHz, 48 kHz (9-27/32" X 13 x 13-7/16")
co 44.1 kHz Mass 7.1 kg (15] lb.)
Decoding 15 bit linear Operating temperature range +5 to +35°C (+41 to +95°F)
Digital finer 8 f5 Operating humidity range 5 to 90% RH (no condensation)
D/A converter MASH (1 bit DAC) n SYSTEM
Pickup SC»AK633 (P) Music center: SA-AK633 (P)
Wavelength 780 nm Speaker: SB-AK630 (P)
Beam Source Semiconductor laser SUbWOOferi SBWAK530 (P)
Audio output (Disc) NoteS:
Number of channels 2 (Stereo) (FL FR) 1.Specifications are subject to change without notice. Mass and
GENERAL dimensions are approximate.
I]
Power Supply AC 120 V, 60Hz 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 useI by the general public.

It does not contain warnings or cautions to advise non-technical indivtduais of potential dangers in attempting to servtce 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 Page

1 Safety Precaution ------------------------------------------------------------------- 4 10.15. Replacement for the Deck motor ass |] , capstan belt A,
1.1. Insulation Resistance Test ---------------------------------------------- 4 capstan belt B and winding belt .................................... 35
2 Before Repair and Adjustment ----------------------------------------------- 5 10.16. Replacement for the cassette lid ass D ------------------------ 39
3 Protection Circuitry ------------------------------------------------------------- 5 10.17. Rectification for tape jam problem --------------------------------- 40
4 Prevention of Electra Static Discharge (ESD) to 11 Checking for major P.C.Bs ................................................... 41
EleCtrostatically Sensitive (ES) Devices --------------------------------- 5 11.1. Checking of Main P.C.B. .............................................. 41

5 Handling the Lead-free Solder"-
5.1. About lead free solder (PbF)

6 Handling Precautions For Traverse Deck

6
-6
-7

3

7 Precaution of Laser Diode .....................

8 Accessories ----------

9 Operation Procedures ........................................................... 10
10 Disassembly and Assembly of Main component - 12
10.1. Disassembly flow chart .............................................. 12
10.2. Gear for servicing (jig) Information ................................ 13
10.3. Disassembly of Top Cabinet ......................................... 14

10.4. Disassembly of CD Lid

10.5. Disassembly of Rear Panel --

10.6. Disassembly of CD Mechanism Uni --16
10.7. Disassembly of Main P.C_B, ......................................... 17
10.8. Disassembly of Sub-Power P,c_B. ................................ 17
10.9. Disassembly of Power P.C.B. -- ............................ 18
10.10. Disassembly of Transformer P.C.B. .............................. 20
10.11. Disassembly of Front Panel Unit-u ....................... 20

10.12. Disassembly of Deck Mechanism Unit --------------------------- 21
10.13. CD Mechanism Main Component Replacement

"22
10.14. Replacement for the pinch roller ass D and head block-35

Procedures --

11.2. Checking of Transformer P.C.B. ---------------------------

11.3. Checking of Panel, Deck & Deck Mechanism P.C.B.

11.4. Checking of Power P.C.B.
12 Self-Diagnostic Function

12.1. Self»diagnostic display -------------------------------------------------- 45
12.2. How to enter the Self-Diagnostic Function --------------------- 45
12.3. Cassette Mechanism Test (For error code H01, H02, H03,
F01) ----------------------------------------------------------------- ---45
12.4. CD Mechanism Test (F15, F26, F16, F17, F27, F28, F29,
F30, H15&H16) ---------------------------------------------------------- 45

12.5. To clear all Error code

12.6. To exit from Self-Diagnostic function
12.7. Power Amplifier Failure (F61) ----------

12.8. Description of Error Code ............................................. 45
13 CD Test Mode Function -------------------------------------------------------- 43
13.1. How to set CD test mode ............................................. 43
13.2. CD Automatically Adjustment result indication ............... 43

13.3. CD Mecha Aging Test Mode (CR20)
13.4. Micon ROM Checksum and Version Display Mode -------- 49
14 Measurements and Adjustment
14.1. Cassette Deck Section

14.2. Tuner Section