Page 3 - MODEL IDENTIFICATION; A battery-operated AC milliammeter. The Data Precision 245; Notes on chip component replacement
– 3 – SECTION 1 SERVICING NOTES MODEL IDENTIFICATION – Specification Label – SAFETY CHECK-OUT After correcting the original service problem, perform the follow-ing safety check before releasing the set to the customer:Check the antenna terminals, metal trim, “metallized” knobs,screws, and all other ...
Page 5 - SECTION 3
– 5 – 1 Remove ten connectors. CN4, 101, 103, 114, 116, 117, 122, 124, 138, 142 7 four screws(BV3 × 8 CU) 8 front bracket section 6 LED board 5 screw(BV3 × 8 CU) 2 three screws(BV3 × 8 CU) 4 front panel section 7 two screws(BV3 × 8 CU) 7 three screws(BV3 × 8 CU) 3 3 CASE FRONT PANEL SECTION Note: Fo...
Page 6 - MAIN BOARD
– 6 – MAIN BOARD 2 three screws(BV3 × 8 CU) 2 seven screws(BV3 × 8 CU) 3 Remove the MAIN board in direction of arrow A . A 2 two screws(BV3 × 8 CU) 1 Remove ten connectors. CN101, 103, 114, 116, 117 124, 129, 138, 139, 142
Page 7 - NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
– 7 – SECTION 4 DIAGRAMS Note on Printed Wiring Board: • X : par ts extracted from the component side. • b : Pattern from the side which enables seeing. (The other layers' patterns are not indicated.) • Indication of transistor. 4-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS B These are ...
Page 8 - • Circuit Boards Location; • Semiconductor Location
– 8 – • Circuit Boards Location Ref. No. Location Ref. No. Location • Semiconductor Location D 2 0 1 E - 9 D 2 0 3 F - 9 D 2 0 4 E - 1 0 D 2 0 5 F - 1 0 D 2 0 6 F - 1 0 D 2 5 1 E - 8 D 2 5 3 E - 8 D 2 5 4 E - 8 D 2 5 5 F - 8 D 2 5 6 F - 8 D 3 0 1 E - 6 D 3 0 3 E - 6 D 3 0 4 E - 6 D 3 0 5 F - 7 D 3 0...
Page 15 - SCHEMATIC DIAGRAM – POWER Section –
– 21 – 4-8. SCHEMATIC DIAGRAM – POWER Section – TA-P9000ES The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Les composants identifiés par une marque ! sont critiques pour la sécurité. Ne les remplacer que par une piéce p...
Page 17 - IC PIN FUNCTION DESCRIPTION; Pin Name
– 23 – 4-9. IC PIN FUNCTION DESCRIPTION • CONTROL BOARD IC801 TMP87C846N-4D22 (SYSTEM CONTROLLER) Pin No. Pin Name I/O Description 1 C6DBUP O Relay drive signal output for the +6 dB gain control (for CENTER input signal)“H”: +6 dB on 2 C12DBUP O Relay drive signal output for the +12 dB gain control ...
Page 18 - CASE SECTION; SECTION 5
– 24 – (1) CASE SECTION SECTION 5 EXPLODED VIEWS Les composants identifiés par unemarque ! sont critiquens pour la sécurité.Ne les remplacer que par une pièceportant le numéro spécifié. T h e c o m p o n e n t s i d e n t i fi e d b ymark ! or dotted line with mark ! are critical for safety. Replace...
Page 19 - FRONT PANEL SECTION
– 25 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark (2) FRONT PANEL SECTION 53 52 54 55 56 57 54 51 54 53 62 58 61 59 60 54 59 US. Canadian 51 4-218-470-01 PANEL, FRONT (GOLD) 51 4-218-470-11 PANEL, FRONT (BLACK) 52 4-942-568-41 EMBLEM (NO.5), SONY (for BLACK) 53 4-218-4...
Page 20 - CHASSIS SECTION
– 26 – (3) CHASSIS SECTION Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 101 1-673-656-11 VOL LED BOARD 102 4-974-510-11 SCREW (+BV 3X8 CU) 103 1-673-062-11 LED BOARD 104 1-673-061-11 EYEBALL BOARD 105 1-673-704-11 AC SW BOARD 106 A-4419-502-A CONTROL BOARD, COMPLETE 107 ...
Page 21 - SECTION 6
– 27 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark SECTION 6 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the parts list may be different from the parts speci-fied in the diagrams or the components usedon the set. • -XX and -X mean standardized ...
Page 22 - CONTROL EYEBALL LED MAIN
– 28 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark CONTROL EYEBALL LED MAIN * CN137 1-568-955-11 PIN, CONNECTOR 6P < DIODE > D801 8-719-025-33 DIODE 02CZ6.2-TE85L D802 8-719-801-78 DIODE 1SS184 D803 8-719-820-05 DIODE 1SS181 D804 8-719-820-05 DIODE 1SS181 D805 8-7...
Page 23 - MAIN
– 29 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C203 1-125-842-11 FILM 4PF 10% 50V C204 1-119-830-11 ELECT 330uF 20% 25V C205 1-119-830-11 ELECT 330uF 20% 25V C206 1-136-810-11 FILM 220PF 5% 100V C207 1-119-830-11 ELECT 330uF 20% 25V C208 1-119-830-11 ELECT 330uF 20%...
Page 27 - MAIN MASTER VOLUME MUT POWER
– 33 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark The components identified bymark ! or dotted line with mark ! are critical for safety. Replace only with part num-ber specified. Les composants identifiés par unemarque ! sont critiques pour la sécurité.Ne les remplacer...
Page 28 - Sony Corporation
– 34 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark The components identified bymark ! or dotted line with mark ! are critical for safety. Replace only with part num-ber specified. Les composants identifiés par unemarque ! sont critiques pour la sécurité.Ne les remplacer...