Panasonic sa ak180 panasonic service manual

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Page 1

PSGOSOSOZSCE

Service Manual

dﬁEfﬁ

DIGITAL VIDEO

Remote
Control

SB-AK280 SA-AK18O

SB-AK28O

CD Stereo System

Model No. SA-AK180PN
SA-AK180PU

Product Color: (K)...Black Type

(Order No. MD0805031 CE) for this mechanism

Notes: This models CD Mechanism Unit is CR14C. Please refer to the original service manual

A WARNING

This service intormation 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.

IMPORTANT SAFETY NOTICE

There are special components used in this equipment which are important for safety. These parts are marked by A in the Schematic
Diagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is essential that these critical parts should be replaced
with manufacturer's specified parts to prevent shock, tire or other hazards. Do not modify the original design without permission ot

manufacturer.

TABLE OF CONTENTS
PAGE

1 Safety Precautions ----------------------------------------------- 3
1.1. General Guidelines ---------
1.2. Before Use (For PU only)-
1.3. Before Repair and Adjustment »-
1.4. Protection Circuitry -----------------
1.5. Safety Parts Information --

2 Warning -------------------------------

Panasonici

PAGE

2.1. Prevention of Electrostatic Discharge (ESD)
to Electrostatic Sensitive (ES) Devices
2.2. Precaution of Laser Diode ----------------
2.3. Service caution based on Legal restrictions -
2.4. Handling Precautions for Traverse Unit -------
3 Service Navigation ------
3.1. Service Informatio
4 Specifications ---------------------------------------------------- 12

Page 2

5 Location of Controls and Components- 13
5.1. Main Unit Key Button Operation ----- 13
5.2. Remote Control Key Button Operation -- 14
5.3. Disc Information ---------------------------- 15

6 Self-Diagnosis and Special Mode Setting 16
6.1. Doctor Mode Summary Table ----------- 16
6.2. Doctor Mode Table --------------------------------------- 16
6.3. Doctor Mode Summary Table [CD Mechanism

Unit (CR14C)] --------------------------------------------- 18
6.4. Service Mode Table [CD Mechanism Unit

(CR14C)] - 19
6.5. Reliability Test Mode (CD Mechanism Unit

CR14C) ----------------------------------------------------- 20

6.6. Error Code Table --
7 Troubleshooting Guide-
7.1. Troubleshooting Guide for F61 and/or F76--
8 Service Fixture & Tools ---------------------------------
8.1. Service Tools and Equipment -----------
9 Disassembly and Assembly Instructions-
9.1. Disassembly Flow Chart-
9.2. Main Components and P.C.B. Locations
9.3. Disassembly of Top Cabinet ----------------
9.4. Disassembly of CD Mechanism Unit (CR14C) 3--4
9.5. Disassembly of Rear Panel ---------------------------- 36
9.6. Disassembly of Front Panel Assembly -- --37
9.7. Disassembly of Panel P.C.B. ------------ 38
9.8. Disassembly of Dynamic Bass Knob &
Dynamic Bass Button Unit ----------------------------- 39
9.9. Disassembly of CD Lid ---------
9.10. Disassembly of CD Servo P.C.B
9.11. Disassembly of D-Amp P.C.B. -
9.12. Replacement of Audio Digital Power Amp IC
(ICSOOO) ---------------------------------------------------- 43
9.13. Disassembly of Main P.C.B. -- 44
9.14. Disassembly of SMPS P.C.B. 45
9.15. Replacement of Switching Regulator IC
(ICS701) ---------------------------------------------------- 45
9.16. Replacement of Rectifier Diode (D5702) ----- 46
9.17. Replacement of Regulator Diode (D5801)
9.18. Replacement of Regulator Diode (D5802)
9.19. Replacement of Regulator Diode (D5803)

9.20. Disassembly of AC Inlet P.C.B. -------------- 50
9.21. Disassembly of USB P.C.B. ---------------- ---51
9.22. Disassembly of MPort/Headphone P.C.B. --52

9.23. Disassembly of Voltage Selector P.C.B. (For
PU only) ---------------------------------------------------- 52
9.24. Replacement of Traverse Unit Assembly - -5-3
10 Service Position ---------------------------------------- --55
10.1. Checking and Repairing of Main P.C.B. ------------ 55
10.2. Checking and Repairing of Panel P.C.B, USB

P.C.B. & MPORT/Headphone P.C.B.- 55

10.3. Checking and Repairing of D-Amp P.C.B. --55
10.4. Checking and Repairing of SMPS and AC

Inlet P.C.B. --------------- --56

11 Voltage & Waveform Chart- --57

11.1. CD Servo P.C.B.--- --57

11.2. Main P.C.B. (1/2) -- ---58

11.3. Main P.C.B. (2/2) --
11.4. Panel P.C.B.
11.5. USB P.C.B
11.6. D-Amp P.C.B.

11.7. SMPS P.C.B. ............
11.8. Waveform Table (1/2)-
11.9. Waveform Table (2/2) ....................
12 Illustration of ICs, Transistor and Diode-
13 Block Diagram---
13.1. CD Servo --
13.2. Main (1/2)--
13.3. Main (2/2)--

14 Wiring Connection Diagram -
15 Schematic Diagram Notes-
16 Schematic Diagram ----------
16.1. CD Servo Circuit-
16.2. Main Circuit --------
16.3. Panel Circuit -
16.4. USB Circuit---
16.5.
16.6.
16.7. MPORT/Headphone, AC Inlet Circuit &
Voltage Selector (For PU only) Circuit--
17 Printed Circuit Board ------------------------------
17.1. CD Servo & MPORT/Headphone P.C.B. -
17.2. Main P.C.B. ------------------------------------
17.3. Panel P.C.B. ----------------------------------------------- 86
17.4. USB, AC Inlet P.C.B. & Voltage Selector (For
PU only) P.C.B.-
17.5. D-Amp P.C.B.---
17.6. SMPS P.C.B. ------------
18 Terminal Function of le--
18.1. |C2801 (RFKWMAK180PN): IC MICRO-
PROCESSOR --------------------------------
18.2. ICE5901(COHB80000057): IC FL Driver
19 Exploded View and Replacement Parts List ----------- 93
19.1. Exploded View and Mechanical Replacement
Part List --------------------------------
19.2. Electrical Replacement Part List-
20 Schematic Diagram for printing with letter size ----- 107