SC-ZT2EE, SC-ZT2GS, SU-ZT2EE, SU-ZT2GS, SB-ZT2EE, SB-ZT2GS - Panasonic Audio Service Manual (repair manual). Page 2

2

PAGE

PAGE

1 Safety Precautions -----------------------------------------------3

1.1. General Guidelines ----------------------------------------3
1.2. Before Repair and Adjustment--------------------------4
1.3. Caution for Fuse Replacement -------------------------4
1.4. Protection Circuitry-----------------------------------------4
1.5. Safety Part Information -----------------------------------4

2 Warning --------------------------------------------------------------6

2.1. Prevention of Electro Static Discharge (ESD)

to Electrostatically Sensitive (ES) Devices ----------6

2.2. Service caution based on Legal restrictions---------7

3 Service Navigation------------------------------------------------8

3.1. Service Information ----------------------------------------8

4 Specifications ------------------------------------------------------9

4.1. Main Unit (SU-ZT2)----------------------------------------9
4.2. Speaker Unit (SB-ZT2) -----------------------------------9

5 Location of Controls and Components------------------ 10

5.1. Main Unit (SU-ZT2)-------------------------------------- 10
5.2. Speaker Unit (SB-ZT2) --------------------------------- 11
5.3. Remote Control------------------------------------------- 11

6 Installation--------------------------------------------------------- 12

6.1. Basic Connections --------------------------------------- 13
6.2. AC power supply connection  ------------------------- 17

7 Speaker setting (SB-ZT2)------------------------------------- 18

7.1. Setting the speakers (Front and Surround

speakers)--------------------------------------------------- 18

7.2. Setting surround speakers----------------------------- 20
7.3. Initialize the Speaker Setting -------------------------- 21

8 Self-diagnostic and special mode setting -------------- 22

8.1. Activating Service Mode-------------------------------- 22
8.2. Activating Doctor Mode--------------------------------- 22
8.3. Error Codes Display List-------------------------------- 22
8.4. Inspection Mode------------------------------------------ 23
8.5. Returning to Normal Display -------------------------- 24

9 Troubleshooting ------------------------------------------------- 25

9.1. HDMI Checking Method -------------------------------- 25
9.2. Troubleshooting Flow Chart --------------------------- 27

10 Disassembly and Assembly Instructions--------------- 31

10.1. Main Parts Location Diagram ------------------------- 33
10.2. Disassembly flow chart --------------------------------- 35
10.3. Main Unit (SU-ZT2)-------------------------------------- 37
10.4. Speaker Unit (SB-ZT2) --------------------------------- 48

11 Service Position ----------------------------------------------- 106

11.1. Main Unit (SU-ZT2)------------------------------------ 106
11.2. Speaker Unit (SB-ZT2) ------------------------------- 108

12 Voltage Measurement & Waveform Chart------------- 116

12.1. Main Unit (SU-ZT2)-------------------------------------116
12.2. Speaker Unit (SB-ZT2) ------------------------------- 126
12.3. Waveform Chart ---------------------------------------- 128

13 Illustration of IC’s, Transistors and Diodes ---------- 131
14 Overall Simplified Block ------------------------------------ 133

14.1. Signal Flow (SU-ZT2) --------------------------------- 133

15 Block Diagram ------------------------------------------------- 134

15.1. Main Unit (SU-ZT2)------------------------------------ 134
15.2. Speaker Unit (SB-ZT2) ------------------------------- 141

16 Wiring Connection Diagram ------------------------------- 145

16.1. MAIN UNIT (SU-ZT2) --------------------------------- 145
16.2. Speaker Unit (SB-ZT2) ------------------------------- 146

17 Schematic Diagram Notes --------------------------------- 147

18 Schematic Diagram -------------------------------------------149

18.1. Main Unit (SU-ZT2) ------------------------------------149
18.2. Speaker Unit (SB-ZT2) --------------------------------163

19 Printed Circuit Board-----------------------------------------169

19.1. Main Unit (SU-ZT2) ------------------------------------169
19.2. Speaker Unit (SB-ZT2) --------------------------------173

20 Terminal Function of IC’s -----------------------------------177

20.1. IC8001 (RFKWMZT2PPK2) MICRO

PROCESSOR -------------------------------------------177

21 Exploded View and Replacement Parts List----------179

21.1. Exploded View and Mechanical Replacement

Parts List --------------------------------------------------179

21.2. Electrical Replacement Parts List ------------------185