Loewe Individual Sound Projector - Service Manual

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SERVICEANLEITUNG

SOUND PROJECTOR

Service Manual. Manuel de Service. Manuale di Servizio.

Instrucciones de servicio. Service-instructies.

230- 98287.007

INDIVIDUAL SOUND PROJECTOR

LOEWE INDIVIDUAL

SOUND PROJECTOR

Art.-Nr. 67201

Main Page

Table of Contents2
Warning: Chemical Content Notice3
About Lead Free Solder3
To Service Personnel3
- Front View4
- Rear View4
Front Panel4
Rear Panels4
- Remote Control Assist5
- Dimensions6
Specifications6
Internal View6
- Set Menu Table7
- Cautions for Disassembly and Reassembly8
- Safety Measures8
Service Precautions8
Disassembly Procedures8
- Removal of Top Panels and Plate/Top9
- Removal of Shield Unit10
- When Checking the P.C.B.10
- Removal of INPUT and P.C.b.s11
- Removal of DSP P.C.B., AMP (L) and (R) P.C.b.s11
- Removal of Front Panel Unit12
- Removal of OPERATION (1), (3) and (4) P.C.b.s12
- Removal of Driver (Tweeter)12
- Installation of Driver (Tweeter)13
- Removal of Driver (Woofer)14
- Preparation and Precautions before Starting the Operation15
- Required Tools15
Updating Firmware15
- Operation Procedure16
- Writing of CPU16
- Writing of DSP18
- Writing of DSP APPLICATION / SPID22
Self Diagnosis Function (Diag)26
- Starting DIAG28
- Starting DIAG in the Protection Cancel Mode28
- Canceling DIAG28
- Display Provided When DIAG Started28
- When There Is no History of Protection Function29
- When There Is a History of Protection Function29
- Diagnostic Menu29
- DIAG Menu Selection30
- Operation Procedure of DIAG Menu and Sub-Menu30
- Functions in DIAG Mode30
- Display During Menu Operation30
- Details of DIAG Menu31
- Dsp through31
- Dsp Thr All31
- Dsp Thr Front L31
- DD/Dts/Aac Multi32
- Pcm32
- Analog32
- Ram through33
- Ram Thr All33
- Ram Thr Center33
- Ram Thr Front R33
- MIC Check35
- Pro Logic I (Pro Logic Emulation)35
- Pro Logic / Neo635
- Display Check36
- Check of the Fluorescent Indecation36
- Manual Test37
- Rs-232C37
- Txd/Rxd DATA37
- Hard Flow37
- Factory Preset38
- PRESET INHIBIT (Initialization Inhibited)38
- PRESET RESERVED (Initialization Reserved)38
- Ad Data Check38
- If Status39
- IS1-3 (Internal Status)39
- Microprocessor Information40
- Model Setting40
- Video Format40
- Model40
- Date41
- Main / Sub, 2, 341
- Protect History Delete41
- Remote Control Code Display41
- Dsp Check42
- Tx Test Ch42
- Tx Test42
- T1 Check42
- Cert Mode43
- T1V43
- App43
- Anode Connection44
- Pin Connection44
- Grid Assignment44
Display Data44
- Ic26 : M30626Fjpfp (Dsp P.C.b)45
- 16-Bit Microprocessor45
IC Data45
Audio/Video Section47
Block Diagrams47
Power Supply Section48
Printed Circuit Boards49
- Ics59
- Diodes59
- Transistors59
Pin Connection Diagram59
Schematic Diagrams61
Operation Diagrams71
Exploded View Overall Assembly72
Packing Parts73
Packing Assy74
Connecting to Loewe TV Sets with RS-232C System Interface75
Wiring External75
- Connecting to Loewe TV Sets Without RS-232C System Interface76
- Connecting the Accessories77
- Using the System Parameters78
- Setting the MEMORY PROTECT78
- Setting the MAX VOLUME78
Adjusting System Parameters78
- Setting the TURN on VOLUME79
- Setting the DEMO MODE79
- Setting the Factory Preset79
- Key Code81

Loewe Individual Sound Projector - Service Manual

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