Panasonic SA-XR55PC, Service Manual

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MONO 73 dB
STEREO 67 dB
Frequency response 20 Hz-15 kHz, +1 dB,
-2 dB
Alternate channel selectivity 65 dB
Capture ratio 1.5 dB
Image rejection at 98 MHz 40 dB
Spurious response rejection at 98 MHz 75 dB
AM suppression 50 dB
Stereo separation
1 kHz 40 dB
10 kHz 30 dB
Antenna terminal 75 Ω (unbalanced)
n AM TUNER SECTION
Frequency range 530-1710 kHz
Sensitivity 20 µV, 330 µV/m
Selectivity 55 dB
IF rejection at 1000 kHz 50 dB
n VIDEO SECTION
Output voltage at 1 V input (unbalanced) 1±0.1 Vp-p
Maximum input voltage 1.5 Vp-p
Input/output impedance 75 Ω
S-Video
1 SAFETY PRECAUTIONS 4
1.1. GENERAL GUIDELINES 4
2 Before Repair and Adjustment 5
3 Protection Circuitry 5
4 Handling the Lead-free Solder 5
4.1. About lead free solder (PbF) 5
5 Accessories 6
6 Operating Instructions 7
6.1. Main Unit 7
6.2. Remote Control 8
6.3. Home Theater Connections 9
6.4. Other Connections 14
7 Disassembly and Main Component Replacement Procedures
and Operational Check 17
7.1. Disassembly flow chart 17
7.2. P.C.B. Positions 18
7.3. Disassembly of Top Cabinet. 18
7.4. Checking for the DSP P.C.B. (Side A/B) and Main P.C.B.
(Side A). 19
Input TV, DVD, DVD
RECORDER
Output TV MONITOR
Component Video
Input TV, DVD, DVD
RECORDER
Output TV MONITOR
n GENERAL
Power supply AC 120 V, 60 Hz
Power consumption 135 W
Dimensions (W × H × D) 430 mm × 107.5 mm ×
394 mm
(16-15/16” × 4-7/32” × 15-1/2”)
Mass 4.6 kg (10.1 lb.)
n DIN POWER
1 kHz, T.H. D 1% 2 x 100 W (6
Ω
)
Notes:
1. Specifications are subject to change without notice.
Mass and dimensions are approximate.
2. Total harmonic distortion is measured by the digital spectrum
analyzer.
7.5. Disassembly and Checking of Main P.C.B. (Side B) 20
7.6. Disassembly of Tuner Pack and Tuner Extent P.C.B. 20
7.7. Disassembly and Checking of Speaker P.C.B. 21
7.8. Disassembly and Checking of Component Video P.C.B. 21
7.9. Disassembly and Checking of Video & Optical P.C.B. 22
7.10. Disassembly of Rear Panel 22
7.11. Disassembly and Checking of Input P.C.B. 23
7.12. Disassembly of Front Panel 24
7.13. Disassembly and Checking of Panel P.C.B., Volume
P.C.B. and Headphone P.C.B. 25
7.14. Disassembly and Checking of Power P.C.B. 26
8 Self Diagnosis Display Function 27
8.1. Automatically Displayed Error Codes 27
8.2. Display Details 27
8.3. Returning to Normal Display 27
8.4. Overload/Shutdown Detection intenal Condition 27
8.5. Overload/Thermal Detection Display 27
8.6. Activating Self Diagnosis Function (Servicing Mode) 27
8.7. Analog 6.1 CH Output Check Method 28
CONTENTS
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SA-XR55P / SA-XR55PC