Service Manual
Page 2
... UNE MARQUE 0 SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. CDX-757MX SERVICING NOTES NOTES ON HANDLING THE OPTICAL PICKUP BLOCK OR BASE UNIT The laser diode in hazardous radiation exposure. SAFETY-RELATED COMPONENT WARNING!! T) beforehand 1)...block. ing repairing. • Do not touch the soldering iron on clothing and the human body. During repair, pay attention to be dam- REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY...
... UNE MARQUE 0 SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. CDX-757MX SERVICING NOTES NOTES ON HANDLING THE OPTICAL PICKUP BLOCK OR BASE UNIT The laser diode in hazardous radiation exposure. SAFETY-RELATED COMPONENT WARNING!! T) beforehand 1)...block. ing repairing. • Do not touch the soldering iron on clothing and the human body. During repair, pay attention to be dam- REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY...
Service Manual
Page 17
... shaft B comb tooth at addresses 5 to 6 is necessary when the system controller (IC201), variable resistor (RV201), slider (R), slider (L), or chassis (ELV) was replaced for any repair. SECTION 4 MECHANICAL ADJUSTMENT CDX-757MX • Elevator Height (Address) Adjustment Note: This adjustments is finished, check all operations from 5 to 6. Connect the regulated power supply to the...
... shaft B comb tooth at addresses 5 to 6 is necessary when the system controller (IC201), variable resistor (RV201), slider (R), slider (L), or chassis (ELV) was replaced for any repair. SECTION 4 MECHANICAL ADJUSTMENT CDX-757MX • Elevator Height (Address) Adjustment Note: This adjustments is finished, check all operations from 5 to 6. Connect the regulated power supply to the...
Service Manual
Page 23
...by mark 0 or dotted line with mark 0 are in µF unless otherwise noted. Replace only with a VOM (Input impedance 10 MΩ). Voltage variations may be noted due to...é. • A : B+ Line. • H : adjustment for safety. Parts on the parts face side seen from CD changer controller. • Voltages and waveforms are dc with respect to measure • Voltages are in Ω and 1/4 W ...: • All capacitors are taken with part number specified. J : CD PLAY • Circuit Boards Location JACK board SWITCH board LSW board CDX-757MX MAIN board RF board 23 23
...by mark 0 or dotted line with mark 0 are in µF unless otherwise noted. Replace only with a VOM (Input impedance 10 MΩ). Voltage variations may be noted due to...é. • A : B+ Line. • H : adjustment for safety. Parts on the parts face side seen from CD changer controller. • Voltages and waveforms are dc with respect to measure • Voltages are in Ω and 1/4 W ...: • All capacitors are taken with part number specified. J : CD PLAY • Circuit Boards Location JACK board SWITCH board LSW board CDX-757MX MAIN board RF board 23 23
Service Manual
Page 41
CDX-757MX The components identified by mark 0 or dotted line with part number specified. Replace only with mark 0 are seldom required for safety. CASE SECTION 13 #2 19 #2 #2 18 #3 B A 16 15 14 20 #2 19 MG-251B-137 #2 12 17 #3 RV202 10 ...
CDX-757MX The components identified by mark 0 or dotted line with part number specified. Replace only with mark 0 are seldom required for safety. CASE SECTION 13 #2 19 #2 #2 18 #3 B A 16 15 14 20 #2 19 MG-251B-137 #2 12 17 #3 RV202 10 ...
Service Manual
Page 45
Replace only with mark 0 are critical for safety. No. 251 252 253 254 0 255 Part No. Description 1-676-341-11 OP FLEXIBLE BOARD 3-025-743-01 ...-720A/C-RP Remark Ref. 7-5. Les composants identifiés par une marque 0 sont critiques pour la sécurité. MECHANISM DECK SECTION-4 (MG-251B-137) #10 CDX-757MX 259 258 #7 256 not supplied 257 #11 255 254 260 252 M101 #5 253 #11 not supplied M102 not supplied 251 not supplied The components identified...
Replace only with mark 0 are critical for safety. No. 251 252 253 254 0 255 Part No. Description 1-676-341-11 OP FLEXIBLE BOARD 3-025-743-01 ...-720A/C-RP Remark Ref. 7-5. Les composants identifiés par une marque 0 sont critiques pour la sécurité. MECHANISM DECK SECTION-4 (MG-251B-137) #10 CDX-757MX 259 258 #7 256 not supplied 257 #11 255 254 260 252 M101 #5 253 #11 not supplied M102 not supplied 251 not supplied The components identified...
Service Manual
Page 46
... stocked since they may have some difference from the original one. • RESISTORS All resistors are in the parts list may be anticipated when order- Replace only with mark 0 are seldom required for routine service. No. CDX-757MX JACK LSW MAIN SECTION 8 ELECTRICAL PARTS LIST NOTE: • Due to standardization...
... stocked since they may have some difference from the original one. • RESISTORS All resistors are in the parts list may be anticipated when order- Replace only with mark 0 are seldom required for routine service. No. CDX-757MX JACK LSW MAIN SECTION 8 ELECTRICAL PARTS LIST NOTE: • Due to standardization...
Service Manual
Page 49
... 3-040-583-21 BRACKET (T) X-3369-824-1 SCREW ASSY 1-590-874-11 CORD, CONNECTION (RCA PIN CORD) 1-590-519-21 CORD (WITH CONNECTOR) (BUS CABLE) Description CDX-757MX RF SWITCH Remark 501 502 BRACKET (T) × 2 503 +PSW4 × 10 × 4 TAPPING SCREW (DIA.5 × 20) × 4 SCREW ASSY 504 RCA PIN... with part num- sécurité. portant le numéro spécifié. 49 Ref. No. Description < SWITCH > Remark Ref. Replace only with marque 0 sont critiques pour la mark 0 are critical for safety. No. Part No. Ne les remplacer que par une pièce...
... 3-040-583-21 BRACKET (T) X-3369-824-1 SCREW ASSY 1-590-874-11 CORD, CONNECTION (RCA PIN CORD) 1-590-519-21 CORD (WITH CONNECTOR) (BUS CABLE) Description CDX-757MX RF SWITCH Remark 501 502 BRACKET (T) × 2 503 +PSW4 × 10 × 4 TAPPING SCREW (DIA.5 × 20) × 4 SCREW ASSY 504 RCA PIN... with part num- sécurité. portant le numéro spécifié. 49 Ref. No. Description < SWITCH > Remark Ref. Replace only with marque 0 sont critiques pour la mark 0 are critical for safety. No. Part No. Ne les remplacer que par une pièce...
Service Manual
Page 59
... are in ohms. METAL: Metal-film resistor. uPB. . : µPB. . Description 1-684-650-12 JACK BOARD *********** Remark Ref. No. CDX-757MX JACK MAIN • ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the parts list may be anticipated when order- Part No. F: nonflammable • Items marked "*" are not stocked since they...
... are in ohms. METAL: Metal-film resistor. uPB. . : µPB. . Description 1-684-650-12 JACK BOARD *********** Remark Ref. No. CDX-757MX JACK MAIN • ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the parts list may be anticipated when order- Part No. F: nonflammable • Items marked "*" are not stocked since they...