Page 1
XR-H594WG 3 7 63 1515 0 SERVICE MANUAL E Model Dolby noise reduction manufactured under license from Dolby Labo- Model Name Using Similar Mechanism XR-H592WG/H593WG ratories Licensing Corporation. Tape Transport Mechanism Type MG-25H-136 “DOLBY” and the double-D symbol ; are trademarks of Dolby Laboratories Licensing Corporation.
http://www.xiaoyu163.com SECTION 1 GENERAL 3 7 63 1515 0 This section extracted from instruction manual. L 13942296513 u163 http://www.xiaoyu163.com...
http://www.xiaoyu163.com SECTION 2 DISASSEMBLY 3 7 63 1515 0 Note : Follow the disassembly procedure in the numerical order given. 2-1. COVER 6 cover 4 claws 1 P 2.6x6 5 claws 3 claws 2 P 2.6x8 L 13942296513 2-2. FRONT PANEL ASSY Note : When removing the LAMP board from the holder (B), take care not to bend or break the claw of the holder.
http://www.xiaoyu163.com SECTION 3 ASSEMBLY OF MECHANISM DECK 3 7 63 1515 0 Note : Follow the assembly procedure in the numerical order given. 3-1. ARM (DRIVE) ASSY Part A 1 arm (drive) assy 2 gear (LDG-FB) (Align part A as shown in the figure.) L 13942296513 3-2.
http://www.xiaoyu163.com 3 7 63 1515 0 3-3. GEAR (LDG-B) 3 stopper washer 2 gear (LDG-B) 1 gear (LDG-E) (Position A with B and C with D and install them.) L 13942296513 3-4. GEAR POSITION SETTING • Align A with B. •...
http://www.xiaoyu163.com 3 7 63 1515 0 3-5. CHASSIS (S) ASSY 2 PS 2x4 1 chassis (S) assy L 13942296513 3-6. LEVER (MODE) • Align A of rotary slide switch with B of lever (mode). • Check that each of C through G 1 lever (mode) is put in the groove.
http://www.xiaoyu163.com 3 7 63 1515 0 3-7. HEAD PLATE ASSY 2 step screw (HP) 3 step screw (HP) 1 head plate assy • Insert A into B. • Insert C into D. 4 head base retainer spring L 13942296513 5 P 2x2 3-8.
http://www.xiaoyu163.com 3 7 63 1515 0 3-9. MAIN MOTOR ASSY 1 CN103 4 P 2x2 3 main motor assy (M901) 2 Align the motor terminal with the position given in the diagrams. L 13942296513 3-10. FLYWHEEL (F) 5 flywheel (F) 2 clutch (FR) assy 4 washer 1 washer...
http://www.xiaoyu163.com 3 7 63 1515 0 3-11. BELT (25) 1 belt (25) • Turn the clutch (FR) assy in the arrowed direction and correct twist at the belt (25). clutch (FR) assy L 13942296513 3-12. HANGER 1 catcher assy 2 hanger •...
http://www.xiaoyu163.com 3 7 63 1515 0 3-13. HOUSING Note : Install the housing with care to avoid contact with the pinch roller and head. 1 housing • Put A to below B. • Insert C into D. • Insert E into F. •...
http://www.xiaoyu163.com 3 7 63 1515 0 3-15. LEVER (LDG-A) 1 lever (LDG-A) • Fit A into B, C into D and E into F. L 13942296513 3-16. LEVER (LDG-B) 1 lever (LDG-B) • Fit A into B and C into D. •...
http://www.xiaoyu163.com SECTION 4 SECTION 5 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS 3 7 63 1515 0 PRECAUTION See the adjustment location from on page 25 for the adjust- 1. Wipe the following components with an absorbent cotton cloth ment. moistened with alcohol before adjustment : PB head Pinch roller 0 dB = 0.775 V...
http://www.xiaoyu163.com 3 7 63 1515 0 TUNER SECTION 0 dB = 1 µV FM Auto Scan/Stop Level Adjustment Setting : FM button : FM Cautions during repair When the tuner unit is defective, replace it by a new one because FM RF signal its internal block is difficult to repair.
Page 24
http://www.xiaoyu163.com 3 7 63 1515 0 FM Noise Focus Adjustment FM Stereo Separation Adjustment Setting : Setting : FM button : FM FM button : FM FM RF signal FM RF signal generator generator level meter level meter antenna antenna 4 Ω...
Page 25
http://www.xiaoyu163.com 3 7 63 1515 0 AM Auto Scan/Stop Level Adjustment Adjustment Location : tuner unit (TU1) Setting : AM button : AM – set upper view – 30 Ω 15 pF 65 pF AM RF signal generator AM AUTO SCAN/ AM dummy STOP LEVEL ADJ antenna(50 Ω)
XR-H594WG 3 7 6 3 1 5 1 5 0 6-3. BLOCK DIAGRAM — CONTROL SECTION — THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.)
Page 39
http://www.xiaoyu163.com 3 7 63 1515 0 IC700 µPD72042BGT-E1 TIMING TEST GENERATOR DRIVER RECEIVER PARITY RIVALRY PARITY CREATION FILTER SPEEDING DATA LINK SYNC CONTROLLER CONVERTER CONTROL INPUT BUS FLAME DATA (5 BYTE) (33 BYTE) (7 BYTE) (40 BYTE) CONTROL SIREAL I/O CONTROL CONTROL L 13942296513 u163...
http://www.xiaoyu163.com 3 7 63 1515 0 6-10. IC PIN DESCRIPTION • IC601 MB90574PFV-G-307-BND (SYSTEM CONTROL) Pin No. Pin Name Pin Description 1, 2 Not used in the set. PW ON Power ON control output TEL ON TEL audio output permission pin NA ON NAVI audio output permission pin ANTREM...
Page 41
http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Pin Description VOLSO Electric volume serial data output VOLCKO Electric volume serial clock output RE IN1 Rotary encoder input Not used in the set. DATA EEPROM data input/output EEPROM clock input/output GAIRQ GA-NET interrupt request input 73, 74...
http://www.xiaoyu163.com SECTION 7 EXPLODED VIEWS 3 7 63 1515 0 NOTE: • The mechanical parts with no reference • -XX and -X mean standardized parts, so • Hardware (# mark) list are given in number in the exploded views are not supplied. they may have some difference from the the last of this parts list.
http://www.xiaoyu163.com DISPLAY SECTION 8 ELECTRICAL PARTS LIST 3 7 63 1515 0 LAMP MAIN NOTE: • Due to standardization, replacements in • Items marked “*” are not stocked since When indicating parts by reference the parts list may be different from the they are seldom required for routine service.