Service Manual
Page 29
... Ne les remplacer que 29 29 Replace only with mark 0 are critical for IC Block Diagrams. (Page 27) STR-DB870/DB1070 (Page 28) 1B 2B 3B 4B 5B 6B 7B 8B 9B 10B 11B 12B 13B 14B 15B 16B 17B 18B... GND -15V LAT B3 DATA B4 CLK B5 (CHASSIS) J301 4P L PHONO IN R L CD/SACD IN R (DB870) MD/TAPE (DB1070) MD/DAT J302 4P L OUT R L IN R R125 1k A1 R175 1k R126 2.2k R176 2.2k R127 1k A2 R177 1k (... DRIVE R336 10k R337 4.7k C174 22 50V (DB1070) I1 I2 I3 R850 1k CN808 2P (Page 19) CN806 21P +15V -15V GND GND S-MUTE VOL-LAT AC-MUTE H1 PROTECTOR CD-RY H2 HP-CONT SP-FR-RY H3 ...
... Ne les remplacer que 29 29 Replace only with mark 0 are critical for IC Block Diagrams. (Page 27) STR-DB870/DB1070 (Page 28) 1B 2B 3B 4B 5B 6B 7B 8B 9B 10B 11B 12B 13B 14B 15B 16B 17B 18B... GND -15V LAT B3 DATA B4 CLK B5 (CHASSIS) J301 4P L PHONO IN R L CD/SACD IN R (DB870) MD/TAPE (DB1070) MD/DAT J302 4P L OUT R L IN R R125 1k A1 R175 1k R126 2.2k R176 2.2k R127 1k A2 R177 1k (... DRIVE R336 10k R337 4.7k C174 22 50V (DB1070) I1 I2 I3 R850 1k CN808 2P (Page 19) CN806 21P +15V -15V GND GND S-MUTE VOL-LAT AC-MUTE H1 PROTECTOR CD-RY H2 HP-CONT SP-FR-RY H3 ...
Service Manual
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... DETECT Q555 2SA988TP-P R568 1.8k R569 15k R572 * Q556 2SC1815GR- AF POWER R421 30k D406 PROTECTOR 1SS133T-72 R426 47k R427 22k C415 0.01 C416 10 50V R424 15k R625 47k R626 47k ...22 50V R802 1k (Page 28) The components identified by mark 0 or dotted line with part number specified. STR-DB870/DB1070 R691 1k R690 4.7k D808 1SS133T-72 (Page 28) CN501 7P +OUT +OUT -OUT -OUT +VE ...R522 * D505 1SS133T-72 R519 68k R525 47k R526 47k Q506 2SC1815GR- R471 AF POWER 30k D456 PROTECTOR 1SS133T-72 C465 0.01 C466 10 50V R477 22k R440 4.7k Q454,455 CURRENT DETECT Q455 2SA988TP...
... DETECT Q555 2SA988TP-P R568 1.8k R569 15k R572 * Q556 2SC1815GR- AF POWER R421 30k D406 PROTECTOR 1SS133T-72 R426 47k R427 22k C415 0.01 C416 10 50V R424 15k R625 47k R626 47k ...22 50V R802 1k (Page 28) The components identified by mark 0 or dotted line with part number specified. STR-DB870/DB1070 R691 1k R690 4.7k D808 1SS133T-72 (Page 28) CN501 7P +OUT +OUT -OUT -OUT +VE ...R522 * D505 1SS133T-72 R519 68k R525 47k R526 47k Q506 2SC1815GR- R471 AF POWER 30k D456 PROTECTOR 1SS133T-72 C465 0.01 C466 10 50V R477 22k R440 4.7k Q454,455 CURRENT DETECT Q455 2SA988TP...
Service Manual
Page 39
VOUT1 COMP1 MF1 IN1 GND IN2 NF2 COMP2 - VOUT2 + VOUT2 VCC1 VCC2 VEE V IN HD VSS VD VDD 39 IC307 MB90089F-G-238-BND (VIDEO Board (STR-DB1070)) YIN 1 CIN 2 VIN 3 AVCC 4 FSCO 5 VBLK 6 VCC 7 EXS 8 XS 9 HSYNC 10 VSYNC 11 EXHSYN 12 EXVSYN 13 VSS 14 ANALOG SWITCH 4 FSC CLOCK ... S7 S2 12345678 Vout1 SW5 Vin5 SW3 Vin4 SW4 Vin3 V- IC309, 311 LA7213 (VIDEO Board (STR-DB1070: AEP, UK, E and Chinese models)) SYNC SEP V-SYNC SEP 1 23 45 IC403, 503, 603 µPC2581V (MAIN Board (IC603: STR-DB1070)) BIAS CIRCUIT PROTECTOR REG DRIVE PRE DRIVE PRE DRIVE DRIVE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...
VOUT1 COMP1 MF1 IN1 GND IN2 NF2 COMP2 - VOUT2 + VOUT2 VCC1 VCC2 VEE V IN HD VSS VD VDD 39 IC307 MB90089F-G-238-BND (VIDEO Board (STR-DB1070)) YIN 1 CIN 2 VIN 3 AVCC 4 FSCO 5 VBLK 6 VCC 7 EXS 8 XS 9 HSYNC 10 VSYNC 11 EXHSYN 12 EXVSYN 13 VSS 14 ANALOG SWITCH 4 FSC CLOCK ... S7 S2 12345678 Vout1 SW5 Vin5 SW3 Vin4 SW4 Vin3 V- IC309, 311 LA7213 (VIDEO Board (STR-DB1070: AEP, UK, E and Chinese models)) SYNC SEP V-SYNC SEP 1 23 45 IC403, 503, 603 µPC2581V (MAIN Board (IC603: STR-DB1070)) BIAS CIRCUIT PROTECTOR REG DRIVE PRE DRIVE PRE DRIVE DRIVE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...
Service Manual
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...O System muting control signal output terminal 117 AC MUTE O Audio muting control signal output to the poweramp (IC403, 503, 603) 118 PROTECTOR I /O Two-way data bus with the EEPROM (IC1701) 100 EEPROM SCL O Serial data transfer clock signal output to the TC7WH157FU (...IC1407) "L": analog, "H": digital 122 VCC - Reference voltage input (+3.3V) terminal (for analog) 129 AVRH - STR-DB870/DB1070 Pin No. Power supply terminal (+3.3V) 123 A. Pin Name I/O Description 88 HACN1 I Host acknowledge signal input from the protect circuit "L": ...
...O System muting control signal output terminal 117 AC MUTE O Audio muting control signal output to the poweramp (IC403, 503, 603) 118 PROTECTOR I /O Two-way data bus with the EEPROM (IC1701) 100 EEPROM SCL O Serial data transfer clock signal output to the TC7WH157FU (...IC1407) "L": analog, "H": digital 122 VCC - Reference voltage input (+3.3V) terminal (for analog) 129 AVRH - STR-DB870/DB1070 Pin No. Power supply terminal (+3.3V) 123 A. Pin Name I/O Description 88 HACN1 I Host acknowledge signal input from the protect circuit "L": ...