[. . . ] 3 EXPLANATION OF IC TERMINALS ····················· 5 DIAGRAMS Circuit Boards Location ····················································· 7 Printed Wiring Boards (MAIN SECTION) ························ 8 Schematic Diagram (MAIN SECTION) ·························· 11 Schematic Diagram (DISPLAY SECTION) ···················· 16 Printed Wiring Boards (DISPLAY SECTION) ················ 19 Power requirements Power consumption Dimensions 115W 430 × 145 × 295mm 4. EXPLODED VIEWS Mass (Approx. ) 5. 5kg Supplied accessories FM wire aerial (1) AM loop aerial (1) Remote controller (remote) (1) Size AA (R6) batteries (2) 4-1. Front Panel Section ·························································· 23 4-2. [. . . ] Replace only with part number specified. AC SWITCH · DISPLAY DISPLAY Ref. Description Remarks S236 1-554-937-11 SWITCH, KEY BOARD (5) S237 1-554-937-11 SWITCH, KEY BOARD (DIRECT) S239 1-554-937-11 SWITCH, KEY BOARD (CD) ************************************************************ * A-4392-804-A MAIN BOARD, COMPLETE (AEP, G) ********************* A-4398-079-A MAIN BOARD, COMPLETE (EE) ********************* 3-905-609-01 SCREW (TRANSISTOR) 4-812-134-00 RIVET (DIA. 3. 5), NYLON 7-685-872-09 SCREW +BVTT 3X8 (S) < CAPACITOR > Description · · · The mechanical parts with no reference number in the exploded views are not supplied. Abbreviation G : Germany EE : East European · 54 #1 not supplied Q703, 704, 753, 754 · · · 55 Abbreviation G : Germany EE : East European 4-1. FRONT PANEL SECTION 13 pA : VOLUME board #2 #2 T901 #1 #1 · 61 56 59 #3 #1 #1 #1 #1 #1 Ref. Description 1-665-288-11 AC SWITCH BOARD **************** < CONNECTOR > CNP911 1-564-321-00 PIN, CONNECTOR 2P Due to standardization, replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set. -XX, -X mean standardized parts, so they may have some difference from the original one. Items marked "*" are not stocked since they are seldom required for routine service. METAL: metal-film resistor METAL OXIDE: Metal Oxide-film resistor F: nonflammable COILS uH: µH SEMICONDUCTORS In each case, u: µ, for example: uA. . . : µA. . . 50), ORNAMENTAL CUSHION (8X12. 5)(AEP, G) EMBLEM (5-AR), SONY BUTTON (P-M) VR-TONE BOARD, COMPLETE Remarks Ref. 4-943-107-11 4-921-941-01 3-704-366-01 4-980-658-01 4-951-620-01 1-665-288-11 A-4392-798-A A-4398-078-A 4-980-639-01 1-517-141-11 Description HOLDER (FL TUBE) CUSHION (FL) SCREW (CASE) (M3X8) CASE (413226) SCREW (2. 6X8), +BVTP AC SWITCH BOARD DISPLAY BOARD, COMPLETE (AEP, G) DISPLAY BOARD, COMPLETE (EE) KNOB (R14) INDICATOR TUBE, FLUORESCENT Remarks Ref. 4-951-801-01 A-4392-801-A 4-924-098-21 1-665-264-11 3-905-609-01 Description BUTTON (S) SW BOARD, COMPLETE HOLDER, PC BOARD POWER BOARD SCREW (TRANSISTOR) Remarks Ref. A-4398-079-A 4-812-134-00 4-989-898-01 X-4947-207-1 1-769-744-11 Description MAIN BOARD, COMPLETE (EE) RIVET (DIA. [. . . ] 1-249-429-11 1-249-439-11 1-249-417-11 1-249-437-11 1-247-843-11 1-247-883-00 1-249-427-11 1-249-413-11 1-249-441-11 1-249-441-11 1-247-903-00 1-247-903-00 1-247-903-00 1-249-415-11 1-249-431-11 1-249-422-11 1-247-903-00 1-247-903-00 1-249-429-11 1-249-439-11 1-249-417-11 1-249-437-11 1-247-843-11 1-247-883-00 1-249-427-11 1-249-413-11 1-249-441-11 1-247-903-00 1-247-903-00 VR-TONE Description CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON 10K 68K 1K 47K 3. 3K 150K 6. 8K 470 100K 100K 1M 1M 1M 680 15K 2. 7K 1M 1M 10K 68K 1K 47K 3. 3K 150K 6. 8K 470 100K 1M 1M 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% Remarks 1/4W 1/4W 1/4W F 1/4W 1/4W 1/4W 1/4W F 1/4W F 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W F 1/4W 1/4W F 1/4W 1/4W 1/4W 1/4W 1/4W F 1/4W 1/4W 1/4W 1/4W F 1/4W F 1/4W 1/4W 1/4W #1 #2 #3 #4 7-685-646-79 7-685-881-09 7-685-872-09 7-685-646-71 Ref. Description < SWITCH > S240 1-554-937-11 SWITCH, KEY BOARD (BASS BOOST) ************************************************************ MISCELLANEOUS ************* 2 1-769-941-11 WIRE (FLAT TYPE) (11 CORE) 3 1-773-151-11 WIRE (FLAT TYPE) (21 CORE) ! [. . . ]