Panasonic rx es 29 ee service manual

Page 2

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.

CONTENTS

Page

1 Safety Precautions ------------------------------------------------------------------ 3
1.1. GENERAL GUIDELINES ------------------------------------------------ 3

2 Before Repair and Adjustment ----------------------------------------------- 4
3 Protection Circuitry ----------------------------------------------------------------- 4
4 Handling the Lead Solder ------------------------------------------------------- 4

4.1. About lead free solder (PbF)-
5 Precaution of Laser Diode

6 Handling Precautions For Traverse Deck-

7 Accessories ---------------------------------------------------------------------------- 7
8 Operation Procedures ............................................................ 3
8.1. Main Unit ----------------------------------------------------------------------- 8
8.2. Remote Control ------------------------------------------------------------- g
9 Information on MP3 ............................................................ 10

10 Disassembly and Main Component Replacement Procedures
- 11

and Operational Check --------

10.1. Disassembly flow chart--- 1
10.2. Checking Procedure for each major P.C.B. -12
10.3. Procedures for Replacing Pinch Roller and Head Block
(Deck Mechanism Unit) ------------------------------------------------ 20
10.4. Procedures for Replacing Motor, Capstan Belt A, Capstan
Belt B, and Winding Belt (Deck Mechanism Unit) ---------- 20
10.5. Procedures for Replacing Parts on Deck Mechanism PCB

22

10.6. Procedures of Replacing Traverse Base (Unit), Driving

Gear, and Cam Gear (CD Mechanism Unit) ------------------ 22
10.7. Procedures for Replacing Optical Pickup (CD Mechanism
Unit) ............................................................................ 25
10.8. Procedures for Replacement Traverse Gear A and
Traverse Gear B (CD Mechanism Unit) ......................... 25
11 Procedure for checking of the major p.c.B. ......................... 23

11.1. Checking the Main P.C.B., Panel P.C.B., Deck Mechanism
P.C.B., CD Servo P.C.B., Battery P.C.B., Sensor P.C.B.,
Power»0n P.C.B., Power and Standby LED P.C.B. -------- 28

12 Self Diagnostic Function

12.1. Self-diagnosis Function
12.2. Setting of doctor mode

Page

13 Measurements and Adjustments ------------------------------------------ 37
13.1. Tuner Section -------------------------------------------------------------- 37
13.2. Deck Section --------------------------------------------------------------- 38

14 Voltage Measurement ----------------------------------------------------------- 40
14.1. Main P.C.B. ----------------------------------------------------------------- 40

14.2. CD Servo P.C.B.
15 Waveform Chart

16 Notes of Schematic agram

17 Schematic Diagram --------------------------------------------------------------- 44
17.1. CD SERVO CIRCUIT ................................................... 44
17.2. MAIN CIRCUIT and POWER 0N CIRCUIT ................... 45
17.3. MAIN (TUNER) CIRCUIT ---------------------------------------------- 53
17.4. MAIN (DECK) CIRCUIT ................................................ 55

17.5. PANEL CIRCUIT, STANDBY LED CIRCUIT, BATTERY
CIRCUIT, POWER CIRCUIT and SENSOR ClRCUIT----57
18 Printed Circuit Board --
18.1. CD SERVO P.C.B
18.2. MAIN P.C.B.

18.3. PANEL P.C.B. and DECK MECHANISM P.C.B. ............ 51
18.4. STANDBY LED P.C.B., BA'I'I'ERY P.C.B., POWER ON

P.C.B. and SENSOR P.C.B. ......................................... 52

18.5. POWER P.C.B. ------------------------------------------------------------ 63

19 Wiring Connection Diagram .................................................. 54

20 Type Illustration of IC |] , Transistors and Diodes ................ 55

21 Terminal Function Of IC D -----
21.1. |0801 (MN101C74GAA1): Microprocessor-
22 Troubleshooting Flowchart (CD Section Circuit

23 Parts Location and Replacement Parts List ....................... 70
23.1. Deck Mechanism (RAA4401-1V) ................................... 71
23.2. CD Loading Mechanis --------------------------------------------------- m

.... ........................................................ 73
23.3. Cabinet Part List ---------------------------------------------------------- 75

23.4. Electrical Part List ...............
23.5. Packaging Materials & Accessories Parts List

23.6. Packaging