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Panasonic SCXH70 Service Manual - Page 22

Service Mode Table 3 For DVD

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6.2.3. Service Mode Table 3 (For DVD) Mode Name Item Description FL Display Micro-processor firmware version display & EEPROM checksum display. Micro-processor firmware version display & EEPROM checksum display. EEPROM checksum is only available due to existence of EEPROM IC. Note: Condition 1/2/3 shows the state of EEPROM IC. FL Display sequence: Display 1 2 3. (Display 1) (Display 2) (Condition 1) Key Operation Front Key In STOP (no disc) mode, press [STOP] button on the main unit, and [7] button on the remote control unit. Cancelled automatically 5 seconds later. If the version of the EEPROM does not match, [NG] is displayed. (Condition 2) (a) If there is NO EEPROM header string OR (b) If there is no EEPROM (no data is received by Micro-processor), [NO] is displayed. (Condition 3) If the EEPROM version matches, checksum [YYYY] is displayed. (Display 3) Initialization Initialization. User settings are cancelled and player is initialized to factory setting. It is necessary when after replacement of Micro-processor (DV5 LSI) IC, FLASH ROM IC (IC8651), EEPROM IC (IC8611) & DVD Module P.C.B. DVD Module P.C.B. Reset To reset DVD Module P.C.B. This process is used when the DVD Module P.C.B. or FLASH ROM IC is replaced with a new one. Opecon Version EEPROM Checksum (If applicable, refer below.) Press [FL Display] button on remote control unit for next page. (FL Display) In STOP (no disc) mode, press [STOP] button on the main unit, and [ 10] button on the remote control unit. While in initialization mode, press & hold [STOP] button on the main unit for 3 seconds, follow by [ENTER] button on the remote control unit. 22

Section	Page
PSG0910006CE	1
DVD Home Theater Sound System	1
Model No. SA-PT75PH	1
1 Safety Precautions	3
1.1. GENERAL GUIDELINES	3
1.1.1. LEAKAGE CURRENT COLD CHECK	3
1.1.2. LEAKAGE CURRENT HOT CHECK	3
1.2. Before Repair and Adjustment	3
1.2.1. Caution for fuse replacement	3
1.3. Protection Circuitry	4
1.4. Safety Parts Information	4
2 Warning	5
2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatic Sensitive (ES) Devices	5
2.2. Precaution of Laser Diode	6
2.3. Service caution based on Legal restrictions	7
2.3.1. General description about Lead Free Solder (PbF)	7
2.4. Handling Precautions for Traverse Unit	8
2.4.1. Cautions to Be Taken in Handling the Optical Pickup Unit	8
2.4.2. Grounding for electrostatic breakdown prevention	8
2.4.2.1. Worktable grounding	8
2.4.2.2. Human body grounding	9
3 Service Navigation	10
3.1. Service Information	10
4 Specifications	11
5 Location of Controls and Components	13
5.1. Remote Control Key Button Operations	13
5.2. Main Unit Key Button Operations	14
5.3. Speaker Connection	14
5.4. Using the VIERA Link “HDAVI Control™”	15
5.5. Disc Information	17
5.5.1. Disc Playability (Media)	17
5.5.2. File Extension Type Support (WMA/MP3/JPEG/MPEG4/DivX)	18
6 Self-Diagnosis and Special Mode Setting	19
6.1. Cold-Start	19
6.2. Service Mode Table	19
6.2.1. Service Mode Table 1 (For DVD)	20
6.2.2. Service Mode Table 2 (For DVD)	21
6.2.3. Service Mode Table 3 (For DVD)	22
6.2.4. Service Mode Table 4 (For DVD)	23
6.3. Self-Diagnosis Mode	25
6.4. DVD Self Diagnostic Function-Error Code	26
6.4.1. Mechanism Error Code Table	26
6.4.2. DVD Module Error Code Table	27
6.4.3. Power Supply & Digital Amplifier Error Code Table	28
6.5. Sales Demonstration Lock Function	29
6.5.1. Setting	29
6.5.2. Cancellation	29
6.6. Firmware Version-Up Information	30
6.6.1. Process Flow (1/3)	30
6.6.2. Process Flow (2/3)	31
6.6.3. Process Flow (3/3)	32
7 Troubleshooting Guide	33
7.1. Troubleshooting Guide for F61 and/or F76	33
7.1.1. Block Diagram	33
7.1.2. Troubleshooting Guide	34
7.1.3. Part Location	35
7.1.3.1. SMPS P.C.B.	35
7.1.3.2. Main/D-Amp P.C.B.	36
7.2. Basic Troubleshooting Guide for Traverse Unit (DVD Module P.C.B.)	37
7.3. Basic Troubleshooting Guide for HDMI AV output	38
8 Disassembly and Assembly Instructions	40
8.1. Disassembly Flow Chart	41
8.2. Main Components and P.C.B. Locations	42
8.3. Disassembly of Top Cabinet	43
8.4. Disassembly of Component Video P.C.B.	43
8.5. Disassembly of Voltage Selector P.C.B.	44
8.6. Disassembly of Rear Panel	45
8.7. Disassembly of DVD Mechanism Unit (DLS6E)	45
8.8. Disassembly of DVD Module P.C.B.	47
8.9. Disassembly of SMPS P.C.B.	48
8.10. Replacement of Switching Regulator IC (IC5701)	49
8.10.1. Disassembly of Switching Regulator IC (IC5701)	49
8.10.2. Assembly of Switching Regulator IC (IC5701)	50
8.11. Replacement of Diode (D5802)	50
8.11.1. Disassembly of Diode (D5802)	50
8.11.2. Assembly of Diode (D5802)	51
8.12. Disassembly of Main/D-Amp P.C.B.	51
8.13. Replacement of Digital Amplifier IC (IC403/IC404/IC405)	52
8.13.1. Disassembly of Digital Amplifier IC (IC403/IC404/IC405)	53
8.13.2. Assembly of Digital Amplifier IC (IC403/IC404/IC405)	53
8.14. Disassembly of Front Panel Assembly	54
8.15. Disassembly of FL P.C.B.	55
8.16. Disassembly of Volume Button P.C.B.	56
8.17. Disassembly of Power Button P.C.B.	57
8.18. Replacement of DVD Lid Assembly	58
8.18.1. Disassembly of DVD Lid Assembly	58
8.18.2. Assembly of DVD Lid Assembly	59
9 Assembling and Disassembling of Traverse Unit	61
9.1. Disassembly of Traverse Unit	61
9.2. Assembly of Traverse Unit	62
10 Service Position	63
10.1. Checking & Repairing Main/D- Amp P.C.B. & Component Video P.C.B.	63
10.2. Checking & Repairing of SMPS P.C.B.	63
10.3. Checking & Repairing of FL P.C.B.	64
10.4. Checking & Repairing of DVD Module P.C.B.	65
10.4.1. Checking & Repairing of Side B of DVD Module P.C.B.	65
10.4.2. Checking & Repairing of Side A of DVD Module P.C.B.	65
11 Voltage & Waveform Chart	67
11.1. DVD Module P.C.B. (1/4)	67
11.2. DVD Module P.C.B. (2/4)	68
11.3. DVD Module P.C.B. (3/4)	69
11.4. DVD Module P.C.B. (4/4)	70
11.5. Main P.C.B. (1/3)	71
11.6. Main P.C.B. (2/3)	72
11.7. Main P.C.B. (3/3)	73
11.8. FL P.C.B.	74
11.9. SMPS P.C.B.	74
11.10. Component Video P.C.B.	75
11.11. Waveform Table (1/3)	76
11.12. Waveform Table (2/3)	77
11.13. Waveform Table (3/3)	78
12 Illustration of ICs, Transistor and Diode	79
13 Overall Simplified Block Diagram	81
14 Block Diagram	82
14.1. DVD(Servo)	82
14.2. DVD(Audio/Video)	83
14.3. DVD(UP-CON)	84
14.4. System Control	85
14.5. Analog Audio	86
14.6. Digital Audio	87
14.7. Analog Video	88
14.8. Power Supply	89
15 Wiring Connection Diagram	91
16 Schematic Diagram Notes	93
17 Schematic Diagram	95
17.1. DVD Module Circuit	95
17.2. Main/D-Amp Circuit	100
17.3. FL, Volume Button & Power Button Circuit	106
17.4. Component Video Circuit	107
17.5. SMPS Circuit	108
17.6. Voltage Selector Circuit	110
18 Printed Circuit Board	111
18.1. DVD Module P.C.B.	111
18.2. Main/D-Amp P.C.B.	112
18.3. FL, Volume Button, Power Button & Component Video P.C.B.	114
18.4. SMPS & Voltage Selector P.C.B.	115
19 Terminal Function of ICs	117
19.1. IC200 (RFKWMPT75PHK): IC MICROPROCESSOR	117
19.2. IC901(C0HBB0000057): IC FL Driver	117
20 Exploded View and Replacement Parts List	119
20.1. Exploded View and Mechanical Replacement Part List	119
20.1.1. Cabinet Parts Location	119
20.1.2. Packaging	120
20.1.3. Mechanical Replacement Part List	121