Panasonic sc hc40pc

Page 1

PSG1008010CE
A6

Service Manual

71
W EBBluetooth®

COMPACT
Works with

iPhone

DIGITAL AUDID

Control
Transmitter

SC-HC40

Compact Stereo System

Model No. SC-HC40PC

Product Color: (K)...Black Type

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.

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 manufacturers specified parts to prevent shock, fire or other hazards. Do not modify the original design without permission of

manufacturer.

TABLE OF CONTENTS

PAGE

1 Safety Precautions----------------------------------------------- 4

1.1. General Guidelines ---------------

1.2. Before Repair and Adjustment

1.3. Caution For Fuse Replacemen

1.4. Protection Circuitry-

1.5. Safety Part Informatio

2 Warning 6
2.1. Prevention of Electro Static Discharge (ESD)

to Electrostatically Sensitive (ES) Devices

2.2. Precaution of Laser Diode ---------------------

Panasonid

PAGE

2.3. Service caution based on Legal restrictions --------8
2.4. Handling Precaution for Traverse Unit-

3 Service Navigation ~-------------------------------
3.1. Service Informatio

4 Specifications --
5 Location of Controls and Components
5.1. Main Unit & Remote Control Key Button
Operations ------------

5.2. FM/AM Connections
5.3. Disc operations ------

© Panasonic Corporation 2010. All rights reserved.
Unauthorized copying and distribution is a violation of
law.

Page 2

5.4.
5.5.
5.6.

6 Operating Instructions -

6.1.

7 Self Diagnostic and Doctor Mode Setting

7.1.
7.2.
7.3.
7.4.

8 Service Fixture 8. Tools ...-.................____
9 Disassembly and Assembly Instructions-

9.1.
9.2.
9.3.
9.4.
9.5.
9.6.
9.7.
9.8.
9.9.
9.10.
9.11
9.12.
9.13.
9.14.
9.15.
9.16.
9.17.

9.18.
9.19.
9.20.
9.21
9.22.
9.23.
9.24.

9.25.

9.26.
9.27.

9.28.
9.29.
9.30.
9.31
9.32.
9.33.

9.34.

9.35.
9.36.

10 Service Position ---..........._.__.___.

10.1.
10.2.
10.3.
10.4.

. Disassembly of Passive Radiator (SP6).

. Disassembly of Headphone/AUX P.C.B.

. Disassembly of Fan Unit ---

iPod/iPhone operations
Bluetooth operation --
USB operation -----

CD Door Assembly Jam-............___.

Self Diagnostic Mode-------
Self Diagnostic Error Code
Doctor Mode-----_-..-_-...........__..__.________
Sales Demonstration Lock Function Mode --

Disassembly flow chart -----------------
Types of Screws-----------------

Main Parts Location Diagram
Disassembly of Stand Unit --------------
Replacement of CD Door Assembly --
Disassembly of Net Frame Assembly-
Disassembly of Front Panel Block -----
Disassembly of Top Ornament Unit
Disassembly of Button P.C.B. --------
Disassembly of Passive Radiator (SP5).

Disassembly of Front Speaker (SP1). ---
Disassembly of Front Speaker (SP2). ---
Disassembly of Passive Radiator (SP3).
Disassembly of Passive Radiator (SP4).
Disassembly of Traverse Unit. ------------
Disassembly of Traverse Cover & Traverse
Assembly. ------------------------------
Disassembly of CD Servo P.C.B
Disassembly of USB P.C.B.
Disassembly of USB Lid----

Disassembly of PCB Block --------------
Disassembly of SMPS P.C.B. ------------------------- 50
Replacement of Switching Regulator IC

(IC5701) ---------------------------------------------------- 52
Replacement of Voltage Regulator IC

(IC2910) -----------------------------
Replacement of Diode (D5802)
Disassembly of Horizontal Main P.C.B. and
Vertical Main P.C.B.-------------------------
Replacement of Power Amplifier IC (IC1)-
Disassembly of Bluetooth P.C.B
Disassembly of Tuner P.C.B.----

Disassembly of Panel P.C.B. - ---60
Disassembly of IR P.C.B. and iPod/iPhone
Switch P.C.B. ---------------------------------------------- 61
Disassembly of Motor P.C.B., Door Switch
P.C.B. and Interlock Switch P.C.B.--
Disassembly of Motor Assembly ----

Disassembly of iPod/iPhone P.C.B.

Checking & Repairing of Panel P.C.B.-----
Checking & Repairing of CD Servo P.C.B.
Checking & Repairing of SMPS P.C.B. -------------71
Checking & Repairing of Horizontal Main
P.C.B. -------------------------------------------------------- 73

11 Voltage Measurement & Waveform Chart --

12 Illustration of lCs, Transistors and Diodes
13 Overall Simplified Block-
14 Block Diagram --------------

15 Wiring Connection Diagram -
16 Schematic Diagram Notes----
17 Schematic Diagram ----------

10.5. Checking 8 Repairing of Vertical Main P.C.B.

(Side A)-- . 74
10.6. Checking & Repairing of Vertical Main P.C.B.
(Side B)----------- ---m_-_..........._.______________ 76

10.7. Checking & Repairing of USB P.C.B.---

11.1. CD SERVO P.C.B.--------------
11.2. VERTICAL MAIN P.C.B. (1/3) -
11.3. VERTICAL MAIN P.C.B. (2/3) ----
11.4. VERTICAL MAIN P.C.B. (3/3) ----
11.5. HORIZONTAL MAIN P.C.B
11.6. PANEL P.C.B.---
11.7. BUTTON P.C.B.
11.8.
11.9.
11.10.
11.11. USB P.C.B. ---
11 .12. Waveform Chart------------------------------

14.1. SERVO/SYSTEM CONTROL(1/2) BLOCK
DIAGRAM ----------m-..................__._______ 89

14.2. SERVO/SYSTEM CONTROL(2/2) BLOCK
DIAGRAM ----------m............_.__..__._______ 90

14.3.IC TERMINAL CHART (SERVO/SYSTEM
CONTROL) ............................

14.4. BLUETOOTH BLOCK DIAGRAM --
14.5. AUDIO BLOCK DIAGRAM -----------------
14.6. POWER SUPPLY(1I2) BLOCK DIAGRAM--
14.7. POWER SUPPLY(2I2) BLOCK DIAGRAM-

17.1. CD SERVO CIRCUIT-
17.2. VERTICAL MAIN CIRCUIT (1/4) ---
17.3. VERTICAL MAIN CIRCUIT (2/4) «-
17.4. VERTICAL MAIN CIRCUIT (3/4) ---
17.5. VERTICAL MAIN CIRCUIT (4/4) «-
17.6. HORIZONTAL MAIN CIRCUIT---
17.7. PANEL & BUTTON CIRCUIT-----
17.8. TUNER, HEADPHONE/AUX, IR & MOTOR
CIRCUIT -------------------------------------------------- 106
17.9. iPod/iPhone, iPod/iPhone SWITCH, DOOR
SWITCH & INTERLOCK SWITCH CIRCUIT----107
17.10. SMPS CIRCUIT ----------------------------------------- 108

17.11. USB CIRCUIT-- ...109
18 Printed Circuit Board --- 110
18.1. CD SERVO P.C.B.-mm- ...110

18.2. VERTICAL MAIN P.C.B. 111

18.3. HORIZONTAL MAIN P.C.B- --- 112
18.4. PANEL, BUTTON, HEADPHONE/AUX &
MOTOR P.C.B. ----------------------------------------- 113
18.5. TUNER, IR, iPod/iPhone & iPod/iPhone
SWITCH P.C.B. -------------------------------------- 114
18.6. DOOR SWITCH, INTERLOCK SWITCH &
SMPS P.C.B. --------------------------------------------- 115
18.7. USB P.C.B. ----------- --- 116
19 Terminal Function of ICs -- --- 117

19.1. ICSO1 (RFKWMHC40EG) MICRO
PROCESSOR IC ------_-m-...........__.__.___.__ 117