Parts List#
Key components commonly needed for repairs. For the complete parts list, refer to the service manual pages 13-25.
Semiconductors - Power Supply#
Switching FETs#
| Ref | Part Number | Description | Qty |
|---|
| Q903-Q906 | 48E39087S01 | FET, 2SK3662 | 4 |
Gate Drivers#
| Ref | Part Number | Description | Qty |
|---|
| Q901, Q902 | 48E39095S01 | TR, 2SB1132(Q)-T100 | 2 |
Rectifier Diodes#
| Ref | Part Number | Description | Qty |
|---|
| D801, D808 | 48E39098S01 | DIO, 11EFS2-TB5 | 2 |
| D802 | 48E39085S01 | DIO, FCH10A15 | 1 |
| D803 | 48E39086S01 | DIO, FRH10A15 | 1 |
Voltage Regulators#
| Ref | Part Number | Description | Qty |
|---|
| Q801 | 48E38139S01 | TR, 2SC3421(Y) | 1 |
| Q802 | 48E38138S01 | TR, 2SA1358(Y) | 1 |
PWM Controller#
| Ref | Part Number | Description | Qty |
|---|
| IC920 | 51E38256S01 | IC, uPC494GS-E1-A | 1 |
| Ref | Part Number | Description | Qty |
|---|
| T901 | 25E39082S01 | TRANS, DC/DC(5:8:1) | 1 |
Semiconductors - Output Stage (Per Channel)#
Output Transistors#
| Ref | Part Number | Description | Notes |
|---|
| Q161/Q261/Q361/Q461 | 48E39083S01 | TR, 2SC5100(Y) | NPN output |
| Q162/Q262/Q362/Q462 | 48E39084S01 | TR, 2SA1908(Y) | PNP output |
Driver Transistors#
| Ref | Part Number | Description | Notes |
|---|
| Q159/Q259/Q359/Q459 | 48E39097S01 | TR, 2SC2235(Y) | NPN driver |
| Q160/Q260/Q360/Q460 | 48E39080S01 | TR, 2SA965(Y) | PNP driver |
Pre-Driver/Voltage Amp#
| Ref | Part Number | Description |
|---|
| Q151/Q251/Q351/Q451 | 48E38241S01 | TR, 2SC3326(A)-TE85L |
| Q152/Q252/Q352/Q452 | 48E38245S01 | TR, 2SC4207(Y)-TE85L |
| Q153-Q154, etc. | 48E38236S01 | TR, 2SC2412K(R)-T146 |
| Q155/Q255/Q355/Q455 | 48E38283S01 | TR, 2SA988F-T-A |
| Q156/Q256/Q356/Q456 | 48E38282S01 | TR, 2SC1841F-T-A |
| Q158/Q258/Q358/Q458 | 48E38243S01 | TR, 2SC2713(GR)-TE85L |
Semiconductors - Preamp#
Op-Amps#
| Ref | Part Number | Description | Qty |
|---|
| IC501-IC518 | 51E38257S01 | IC, NJM4565M-TE1 | 18 |
Protection Circuit#
Thermistors#
| Ref | Part Number | Description | Qty |
|---|
| TH920-TH924 | 48E39071S01 | THERMISTOR, 100K | 5 |
Control Transistors#
| Ref | Part Number | Description |
|---|
| Q920 | 48E39080S01 | TR, 2SA965(Y) |
| Q921, Q922, Q927, Q930 | 48E38250S01 | TR, DTC114EKA-T146 |
| Q923, Q926 | 48E38247S01 | TR, DTA114EKA-T146 |
| Q924 | 48E38251S01 | TR, DTC144EKA-T146 |
| Q925 | 48E38237S01 | TR, 2SA1037AK(R)-T146 |
Passive Components#
Fuses#
| Ref | Part Number | Description | Qty |
|---|
| F901, F902 | 65E39088S01 | FUSE, AUTO 15A | 2 |
Connectors#
| Ref | Part Number | Description |
|---|
| CN501 | 09E39020S01 | CONN, 8P |
| CN551 | 29E39039S01 | TERMINAL, 8P-SPEAKER |
| CN921 | 29E39038S01 | TERMINAL, 3P-POWER |
| CN922 | 09E39019S01 | CONN, PH2P |
| PJ501 | 28E39040S01 | JACK, (RCA)6P |
Switches#
| Ref | Part Number | Description |
|---|
| SW501 | 40E39029S01 | SW, SLIDE 2-2 |
| SW502, SW503 | 40E39030S01 | SW, SLIDE 2-3 |
Potentiometers#
| Ref | Part Number | Description |
|---|
| VR501, VR502 | 18E39024S01 | VOL, 9T(5488)10KC×2 |
| VR503, VR504 | 18E39025S01 | VOL, 9T(5489)50KE×4 |
Common Repair Kits#
Based on typical failures, consider stocking:
DC/DC Converter Kit#
- Q903-Q906: 2SK3662 × 4
- Q901, Q902: 2SB1132 × 2
- D801, D808: 11EFS2 × 2
- D802: FCH10A15 × 1
- D803: FRH10A15 × 1
Output Stage Kit (Per Channel)#
- Q161: 2SC5100 × 1
- Q162: 2SA1908 × 1
- Q159: 2SC2235 × 1
- Q160: 2SA965 × 1