Sony MZ-R700 - page 5

MZ-G750/R700

SECTION 2

GENERAL This section is extracted from

instruction manual.

(MZ-G750)

Contents

Main MZ-G750/R700 SERVICE MANUAL MZ-R700 FM/AM PORTABLE MINIDISC RECORDER SPECIFICATIONS US Model Canadian Model AEP Model UK Model E Model Australian Model Tourist Model Chinese Model Page 1. SERVICING NOTE 2. GENERAL 3. DISASSEMBLY 8. ELECTRICAL PARTS LIST 4. TEST MODE TABLE OF CONTENTS 5. ELECTRICAL ADJUSTMENTS MZ-G750/R700 SECTION 1 SERVICING NOTE OPTICAL PICK-UP FLEXIBLE BOARD Page Page MZ-G750/R700 SECTION 3 DISASSEMBLY 3-2. PANEL ASSY, UPPER 3-1. PANEL ASSY, LOWER 3-3. LCD MODULE 3-4. MAIN BOARD 3-5. MD MECHANISM DECK 3-6. SERVICE ASSY, OP 3-7. HOLDER ASSY 3-8. MOTOR FLEXIBLE BOARD two screws(M1.4), precision pan moter, DC (sled) (M602) Remove four solders of motor flexible board. 3-9. MOTOR, DC (M602) 3-10. MOTOR, DC (M601), MOTOR, DC (M603) SECTION 4 TEST MODE 4-3. Operation in Setting the Test Mode 4-4. Releasing the Test Mode 88:88 00 5 Ver 1.200 4-5. Configuration of Test Mode 4-6. Manual Mode 00 0 Manual 4-8. Self-Diagnosis Result Display Mode [ENTER] 4-7. Overall Adjustment Mode 0 113A4S1D 0 110FEJ1D 0 11063B1D 0 11072A1D 0 11LrefPw 1D 4-9. Reset the error display code 4-11. Key Check Mode 4-10. Sound Skip Check Result Display Mode 0 00P R 0 00P R 0 00EIB 0 00Stat 0 00Adre 0 00BEmp 0 00###### 0 00P R 0 00BOvr 0 00Bful 0 00Rtry 0 00###### 0 00 0 00RMC OK SECTION 5 ELECTRICAL ADJUSTMENTS 5-1. Outline 5-2. Precautions for Adjustment 5-3. Adjustment Sequence 8 32Pw-T W 5-5. Power Supply Manual Adjustment 8 62V1dat 8 71V5num 0 00Assy 00 8 72V5dat 7 62VclPWM 0 14SetTmp 0 10Laser 0 11LrefPw 0 12HrefPw 0 13WritPw 5-8. Overall Adjustment Mode Configuration of overall adjustment Note: Adjust the CD first, when performing adjustment. Adjustment/checking and Connection Location: 0 00Assy 0 00OfstOK 0 00MO OK 0 00Assy 11 0 35Ofst 0 43ResClr 5-10. Patch Data Rewriting When Nonvolatile Memory was Replaced 0 43Resume CC 0 43Res 0 22PatClr CC 0 23Patch 00 0 230D5800 0 230D581E 0 230D5F20 0 230D6000 0 230D6204 0 230D6500 0 230D6520 0 23Patch 01 0 230D61A1 0 230D6100 0 230D6120 0 230D6400 0 230D64F4 0 230D6500 0 230D7200 0 230D7205 0 230D7300 0 230D73D3 0 230D7400 0 230D7500 0 230D751C 0 230D7600 0 230D7603 0 230D7800 SECTION 6 DIAGRAMS 6-1. IC PIN FUNCTION DESCRIPTION Page Page Page Page Page MAIN BOARD MOTOR FLEXIBLE BOARD (1/2) CLV MON U CLV MON V CPVO MAIN BOARD Signal path : PLAYBACK : REC(ANALOG IN) : REC(DIGITAL IN) (Page 35) ! 6-4. BLOCK DIAGRAM SYSTEM CONTROL / POWER SECTION (Page 35) 1 A B C D E F G H I J 234567891011121314 Lead Layouts ( ) : MZ-G750 only Lead layout of conventional IC CSP (chip size package) 1 A B C D E F G H I J 234567891011121314 ( ) : MZ-G750 only * i 1 IC901 th (CLK) IC601 4 (CLK) IC501 rs (FE) (PB mode) IC501 ed (RF OUT) (PB mode) 1 5 2 4 (Page 42) 8 1 * (Page 43) (Page 41) (Page 43) 6-8. SCHEMATIC DIAGRAM MAIN SECTION (3/3) Refer to page 44 for IC Block Diagrams. 2 (Page 42) IC B/D IC B/D IC BLOCK DIAGRAMS IC501 SN761057DBT IC1002 XC61CN1102MR (MZ-G750) IC1004 XC61CN1702MR (MZ-G750) IC1005 XC61CN1002MR (MZ-G750) IC1006 XC6371C271PR (MZ-G750) 123 VLX LIMITER IC601 XPC18A22FCR2 IC901 XPC18A32FCR2 IC301 AK5354VT IC302 TA2131FL SECTION 7 EXPLODED VIEWS 7-1. PANEL SECTION Page 7-3. MD MECHANISM DECK SECTION (MT-MZR700-172) MZ-G750/R700 SECTION 8 ELECTRICAL PARTS LIST