Read Panasonic RX-ES23GC / RX-ES23GS / RX-ES23GN / RX-ES23GT Service Manual online
Notes:
1.
Specifications are subject to change without notice.
2.
Mass and dimensions are approximate
1 Safety Precautions
3
1.1.
GENERAL GUIDELINES
3
2 Caution for AC Mains Lead
4
3 Before Use
5
4 Before Repair and Adjustment
5
5 Protection Circuitry
5
6 Handling the Lead Solder
5
6.1.
About lead free solder (PbF)
5
7 Precaution of Laser Diode
6
8 Handling Precautions For Traverse Deck
7
9 Accessories
8
10 Operation Procedures
9
10.1. Main unit
9
10.2. Remote control
10
11 Information on MP3
11
12 Disassembly and Main Component Replacement Procedures
and Operational Check
12
12.1. Disassembly flow chart
12
12.2. Checking Procedure for each major P.C.B.
13
12.3. Procedures for Replacing Pinch Roller and Head Block
(Deck Mechanism Unit)
21
12.4. Procedures for Replacing Motor, Capstan Belt A, Capstan
Belt B, and Winding Belt (Deck Mechanism Unit)
21
12.5. Procedures for Replacing Parts on Deck Mechanism PCB
23
12.6. Procedures of Replacing Traverse Base (Unit), Driving
Gear, and Cam Gear (CD Mechanism Unit)
23
12.7. Procedures for Replacing Optical Pickup (CD Mechanism
Unit)
26
12.8. Procedures for Replacement Traverse Gear A and
Traverse Gear B (CD Mechanism Unit)
27
13 Procedure for checking of the major P.C.B.
29
13.1. 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 and Standby LED P.C.B.
29
14 Self Diagnostic Function
30
14.1. Self-Diagnosis Function
30
14.2. Setting of doctor mode
32
15 Measurements and Adjustments
38
15.1. Tuner Section
38
15.2. Deck Section
39
16 Voltage Measurement
41
16.1. Main P.C.B.
41
16.2. CD Servo P.C.B.
42
17 Waveform Chart
43
18 Notes of Schematic Diagram
44
19 Schematic Diagram
45
19.1. CD SERVO CIRCUIT
45
19.2. MAIN CIRCUIT
47
19.3. MAIN (TUNER) CIRCUIT
54
19.4. MAIN (DECK) CIRCUIT and DECK MECHANISM
CIRCUIT
56
19.5. PANEL CIRCUIT, STANDBY LED CIRCUIT, BATTERY
CIRCUIT, SENSOR CIRCUIT and POWER CIRCUIT
58
20 Printed Circuit Board
59
20.1. CD SERVO P.C.B.
59
20.2. MAIN P.C.B.
60
20.3. PANEL P.C.B. and DECK MECHANISM P.C.B.
62
20.4. STANDBY LED P.C.B., BATTERY P.C.B. and SENSOR
P.C.B.
63
20.5. POWER P.C.B.
64
21 Wiring Connection Diagram
65
22 Type Illustration of IC 痴, Transistors and Diodes
67
23 Terminal Function Of IC 痴
68
23.1. IC801 (MN101C74GAA1): Microprocessor
68
24 Troubleshooting Flowchart (CD Section Circuit)
69
25 Parts Location and Replacement Parts List
71
25.1. Deck Mechanism (RAA4401-1V)
72
25.2. CD Loading Mechanism
74
25.3. Cabinet Part List
76
25.4. Electrical Part List
78
25.5. Packaging Materials & Accessories Parts List
84
25.6. Packaging
84
CONTENTS
Page
Page
2
RX-ES23GC / RX-ES23GS / RX-ES23GN / RX-ES23GT
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