Sony XR-CA370, Service Manual

Page 1: ... 5 stereo 0 3 mono Separation 35 dB at 1 kHz Frequency response 30 15 000 Hz MW LW Tuning range MW 531 1 602 kHz LW 153 279 kHz Aerialterminal External aerial connector Intermediatefrequency 10 7 MHz 450kHz Sensitivity MW 30 µV LW 40 µV Power amplifier section Outputs Speaker outputs sure seal connectors Speaker impedance 4 8 ohms Maximum power output 45 W 4 at 4 ohms General Outputs Audio output ...

Page 2: ...2 Sub Panel 6 2 3 Mechanism Deck MG 36SZ13 32 7 2 4 MAIN Board 7 2 5 Heat Sink 8 2 6 Bracket MD 8 2 7 DC Motor Capstan Reel M901 9 2 8 Main Belt Sub Belt C 9 2 9 Magnetic Head Playback HP901 10 3 MECHANICAL ADJUSTMENTS 11 4 ELECTRICAL ADJUSTMENTS 11 Tape Deck Section 11 Tuner Section 12 5 DIAGRAMS 5 1 Note for Printed Wiring Boards and Schematic Diagrams 13 5 2 Printed Wiring Board MAIN Board 15 5...

Page 3: ...D playback 1 DISC 2 DISC 3 REP 4 SHUF qh PTY programme type ATA button qj TA button qk SENS BTM button ql OFF button Warning when installing in a car without ACC accessory position on the ignition key switch Be sure to press OFF on the unit for 2 seconds to turn off the clock display after turning off the engine When you press OFF momentarily the clock display does not turn off and this causes bat...

Page 4: ...1 2 3 and 6 do not have pins An Position 1 2 3 und 6 befinden sich keine Stifte Les positions 1 2 3 et 6 ne comportent pas de broches Le posizioni 1 2 3 e 6 non hanno piedini De posities 1 2 3 en 6 hebben geen pins AMP REM from the car s speaker connector vom Lautsprecheranschluss des Fahrzeugs A partir du connecteur de haut parleur de la voiture dal connettore del diffusore dell auto van de autol...

Page 5: ...llustrated and push the left side into position until it clicks Warning when installing in a car without ACC accessory position on the ignition key switch Be sure to press OFF on the unit for two seconds to turn off the clock display after turning off the engine When you press OFF only momentarily the clock display does not turn off and this causes battery wear RESET button When the installation a...

Page 6: ... described in can be performed in any order Note 2 Without completing the process described in the next process can not be performed Note 3 Illustration of disassembly is omitted SET 2 2 SUB PANEL Page 6 FRONT PANEL SECTION Note 3 COVER Note 3 2 3 MECHANISM DECK MG 36SZ13 32 Page 7 2 4 MAIN BOARD Page 7 2 5 HEAT SINK Page 8 2 6 BRACKET MD Page 8 2 7 DC MOTOR CAPSTAN REEL M901 Page 9 2 8 MAIN BELT ...

Page 7: ...ECK MG 36SZ13 32 2 two screws PTT2 6 6 1 connector CN350 1 connector CN300 3 mechanism deck MG 36SZ13 32 2 two screws PTT2 6 6 2 4 MAIN BOARD 2 two ground point screws PTT2 6 6 3 screw PTT2 6 6 3 two screws PTT2 6 6 4 main board 1 claw ...

Page 8: ...XR CA370 CA370X 8 2 5 HEAT SINK 1 five screws PTT2 6 10 1 two screws PTT2 6 10 2 heat sink 2 6 BRACKET MD 1 claw 1 claw 1 claw 2 four screws B2 6 4 3 bracket MD ...

Page 9: ...01 3 sub belt C 2 main belt Note When installing motor adjust the screw and screw hole of motor 2 8 MAIN BELT SUB BELT C 1 main belt 4 sub belt c 2 screw PTP2 3 A 2 screw PTP2 3 2 screw PTP2 3 2 screw PTP2 3 3 Lift up the bottom BKT TS in the direction of arrow A as far as the belt can be removed ...

Page 10: ...lue magnetic head HP901 magnetic head lead wire adjuster arm blue MAGNETIC HEAD LEAD WIRE COLOR INDICATION ON HEAD HP901 AND SLIDE SW BOARD 0 SPG support plate 7 PSW reel B 8 HP roller A qa adjuster arm SPG A qs adjuster arm SPG B qf magnetic head play back HP901 6 slide SW board 4 Remove the three solders of magnetic head lead wires yellow lead wire black lead wire red lead wire slide SW board ...

Page 11: ...9 mN m CQ 102RC 1 5 4 g cm Back Tension 0 02 0 06 oz inch 4 91 14 70 mN m FF REW CQ 201B 50 150 g cm 0 69 2 08 oz inch TAPE DECK SECTION 0 dB 0 775 V 1 The adjustments should be performed in the order given in this service manual 2 The adjustments should be performed for both L CH and R CH TEST TAPE PB HEAD AZIMUTH ADJUSTMENT Procedure 1 Put the set into the FWD PB mode 2 Turn the screw and check ...

Page 12: ...t the set into the FWD PB mode 2 Adjust adjustment resistor for inside capstan motor so that the reading on the frequency counter becomes in 3 015 Hz Specified Value 2 940 to 3 090 Hz Adjustment Location DC motor TUNER SECTION Tuner section adjustments are done automatically in this set Adjustment Location PB head Adjustment Location DC motor Set Upper View Tape Speed Adjustment ...

Page 13: ...riations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path F FM f AM MW LW E TAPE PLAYBACK L BUS AUDIO IN Note on Printed Wiring Board X parts extracted from the component side Y parts extracted from the conductor side z Through hole Pattern fr...

Page 14: ...14 XR CA370 CA370X Waveforms MAIN Board 3 IC200 4 OSCO 4 IC900 ud OSC 1 IC1 qs OSC2 2 IC1 qh XO 4 9 Vp p 231 ns 3 1 Vp p 54 3 ns 5 1 Vp p 30 5 µs CONTROL Board 2 4 Vp p 21 1 µs ...

Page 15: ...JW122 R725 Q724 D507 D503 D502 D501 D500 D506 D505 D504 JW96 JW97 JW95 JW94 JW6 JW7 D452 D451 R48 R46 JW121 JW119 JW118 JW123 JW116 JW120 JW115 JW127 JW130 JW129 JW126 JW125 JW172 JW124 JW90 JW89 JW108 JW107 JW105 C251 C451 D250 D253 C419 C417 C410 JW100 JW45 JW46 JW47 JW48 JW55 JW56 JW57 JW58 D300 R206 R207 C211 JW171 JW164 R710 R600 R601 R602 R603 R604 R605 R606 CN600 JW68 C312 C310 JW76 JW61 JW...

Page 16: ... 0 100k 100k 100 220 220 100 6 3V 100p 1k 1k 22p 1k 1k 1 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 TU12 TU2 TU1 TU9 TU10 TU8 TU7 TU5 TU4 TU3 TU7 TU8 TU6 PNL1 PNL4 PNL7 PNL5 PNL3 PNL6 PNL2 TU4 TU5 TU9 AU8 AU5 AU6 AU7 AU1 AU2 AU3 AU4 BUS4 BUS5 BUS3 TU7 TU8 BUS6 BUS1 BUS2 TU3 TU1 TAPE4 TAPE1 TAPE2 TAPE3 TAPE1 TAPE2 TAPE3 PNL1 PNL2 PNL3 PNL4 PNL5 PNL6 PNL7 TUI11 D1 D2 B1 B2 TAPE4 TU11 TU6...

Page 17: ...10 1 47 16V 100 0 01 0 0 10 16V 0 47 0 47 0 47 0 47 0 47 0 47 4 7k 1 50V 47k 0 1 39k 27k 1SS133 100k 0 047F 5 5V 0 1 PST3443UL 47k 4 7k 100k 22k 10 16V HZS681L 0 01 100 10V 0 1 PDTC114EK 10k 2PD601A 2SA1428 2SA1428 11ES2 4 7 1 2W 0 MTZJ188 220k MTZJ188 1k 10 10k 100 100 330 16V 8P MTZJ6 8B 1k 560 1 2W 11ES2 MM1175XFF MTZJ18B MTZJ18B 16P TDA7386 10 16V 47 16V 0 047 BD3803F FE2 0 01 2PD601A 2PB709A ...

Page 18: ...S959 980 MODE D937 S956 979 SEL D936 S955 978 AF D933 S953 ATT D919 S954 D932 S968 5 D920 S951 D918 S960 DISC 1 D910 S961 DISC 2 D911 S962 REP 3 D912 S963 SHUF 4 D914 S965 ATA PTY 6 D915 S964 TA D922 S971 982 BTM SENS D924 S973 OFF D930 S967 981 DPSL D943 944 S972 983 EQ3 D916 S970 977 m M D921 S969 976 R955 D960 K A D961 K A D962 A K R954 C952 C954 C955 C953 IC900 D963 K A R900 R911 R910 R905 R92...

Page 19: ...34 S33 S32 S31 S23 S24 S25 S26 S27 S28 S29 S30 KS6 VDD VLCD VLCD1 VLCD2 VSS TEST OSC DO CE CL DI S1 S2 S42 S41 S40 S37 S36 S35 S34 S33 S32 S31 S30 S29 S28 S27 S26 S25 S24 S23 S39 COM4 COM3 COM2 COM1 S53 S52 S51 S50 S49 S48 S47 S46 S45 S44 S43 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 S21 S22 LAMP B LAMP B GND GND BU 5V CHASSIS S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S...

Page 20: ...ing terminal for the single chip mode L single chip fixed at L in this set 18 LCD SO TX O LCD serial data output to the liquid crystal display driver 19 LCD SI RX I LCD serial data input from the liquid crystal display driver 20 LCD CKO O LCD serial transfer clock signal output to the liquid crystal display driver 21 to 23 NC O Not used 24 SYS RES O System reset signal output to the SONY bus inter...

Page 21: ...mode L test mode Normally fixed at H 67 to 73 NC O Not used 74 EE SIO I O Two way data bus with the tuner unit 75 EE CKO O Serial data transfer clock signal output to the tuner unit 76 COL SEL I Illumination color selection signal input L amber illumination H green illumination XR CA370 fixed at H in this set XR CA370X fixed at L in this set 77 to 82 NC O Not used 83 ILL ON O Power on off control ...

Page 22: ...r Indication of Appearance Parts Example KNOB BALANCE WHITE RED Parts Color Cabinet s Color Ref No Part No Description Remark Ref No Part No Description Remark 1 3 246 741 01 PANEL SUB 2 X 3380 594 6 LOCK ASSY S 3 3 041 581 11 DOOR CASSETTE 4 3 044 125 01 SPRING TORSION 5 3 376 464 11 SCREW PTT 2 6X6 GROUND POINT 6 1 757 662 11 CORD WITH CONNECTOR ISO POWER 7 3 042 244 01 SCREW T 8 3 246 758 01 CO...

Page 23: ...70X 54 3 246 762 11 PANEL FRONT CA370 55 3 029 327 01 SPRING EJECT 56 3 375 372 01 SPRING F R 57 1 694 696 31 CONDUCTIVE BOARD CONNECTION 58 1 786 304 11 SWITCH SHEET 59 3 246 739 01 PANEL FRONT BACK 60 X 3378 490 2 CASE PANEL ASSY LCD1 1 804 512 11 DISPLAY PANEL LIQUID CRYSTAL 4 7 685 105 19 SCREW P 2X8 TYPE2 NON SLIT 53 54 55 56 57 58 59 60 51 52 4 LCD1 not supplied not supplied not supplied not...

Page 24: ... Remark Ref No Part No Description Remark 101 A 3274 623 A MAIN BOARD COMPLETE CA370X 101 A 3274 657 A MAIN BOARD COMPLETE CA370 102 3 041 578 01 BRACKET IC TU100 A 3220 887 A TUNER UNIT TUX 030 3 7 685 794 09 SCREW PTT 2 6X10 S 3 3 main board not supplied TU100 101 102 ...

Page 25: ... 51 SCREW P 2X3 167 3 045 893 01 REEL SPINDLE 169 A 3220 926 A MECHANISM DECK ASSY MG 36SZ13 32 HP901 1 500 661 11 HEAD MAGNETIC PLAYBACK M901 1 763 507 11 MOTOR DC CAPSTAN REEL S901 1 771 928 11 SWITCH SLIDE DIRECTION S902 1 771 926 11 SWITCH LEAF FF REW S903 1 771 927 11 SWITCH LEAF TAPE DETECT 5 7 621 775 10 SCREW B 2 6X4 6 7 627 854 08 PRECISION SCREW P 2X2 5 TYPE 3 7 7 685 101 11 SCREW PTP 2X...

Page 26: ...ED CL 170SR CD T ATA CA370X D920 8 719 033 14 LED CL 170PG CD T 1 DISC CA370 D920 8 719 078 39 LED CL 170SR CD T 1 DISC CA370X D921 8 719 033 14 LED CL 170PG CD T M SEEK CA370 D921 8 719 078 39 LED CL 170SR CD T M SEEK CA370X D922 8 719 033 14 LED CL 170PG CD T SENS BTM CA370 D922 8 719 078 39 LED CL 170SR CD T SENS BTM CA370X D924 8 719 033 14 LED CL 170PG CD T OFF CA370 D924 8 719 078 39 LED CL ...

Page 27: ...2 916 11 CERAMIC CHIP 12PF 5 50V C3 1 162 918 11 CERAMIC CHIP 18PF 5 50V C4 1 162 919 11 CERAMIC CHIP 22PF 5 50V C5 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C6 1 124 234 00 ELECT 22uF 20 16V C7 1 125 701 11 DOUBLE LAYER 0 047F 5 5V C8 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C10 1 162 927 11 CERAMIC CHIP 100PF 5 50V C81 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C100 1 165 176 11 CERAMIC CHIP 0 047uF 10...

Page 28: ...6 936 11 ELECT 3300uF 20 16V C701 1 165 128 11 CERAMIC CHIP 0 22uF 16V C710 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C730 1 126 157 11 ELECT 10uF 20 16V C731 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C732 1 104 665 11 ELECT 100uF 20 10V C733 1 164 315 11 CERAMIC CHIP 470PF 5 50V C734 1 165 908 11 CERAMIC CHIP 1uF 10 10V C740 1 126 157 11 ELECT 10uF 20 16V C741 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C...

Page 29: ...0W R8 1 216 809 11 METAL CHIP 100 5 1 10W R9 1 216 809 11 METAL CHIP 100 5 1 10W R10 1 216 809 11 METAL CHIP 100 5 1 10W R11 1 216 809 11 METAL CHIP 100 5 1 10W R12 1 249 441 11 CARBON 100K 5 1 4W R13 1 216 809 11 METAL CHIP 100 5 1 10W R14 1 216 845 11 METAL CHIP 100K 5 1 10W R16 1 216 845 11 METAL CHIP 100K 5 1 10W R17 1 216 841 11 METAL CHIP 47K 5 1 10W R18 1 216 809 11 METAL CHIP 100 5 1 10W R...

Page 30: ...TAL CHIP 100 5 1 10W R421 1 216 809 11 METAL CHIP 100 5 1 10W R422 1 216 864 11 SHORT CHIP 0 R423 1 216 864 11 SHORT CHIP 0 R450 1 216 805 11 METAL CHIP 47 5 1 10W R451 1 216 833 11 METAL CHIP 10K 5 1 10W R452 1 216 829 11 METAL CHIP 4 7K 5 1 10W R500 1 216 833 11 METAL CHIP 10K 5 1 10W R501 1 216 801 11 METAL CHIP 22 5 1 10W R502 1 216 833 11 METAL CHIP 10K 5 1 10W R503 1 216 821 11 METAL CHIP 1K...

Page 31: ...1 763 507 11 MOTOR DC CAPSTAN REEL S901 1 771 928 11 SWITCH SLIDE DIRECTION S902 1 771 926 11 SWITCH LEAF FF REW S903 1 771 927 11 SWITCH LEAF TAPE DETECT ACCESSORIES 3 246 852 41 MANUAL INSTRUCTION ENGLISH GERMAN FRENCH ITALIAN DUTCH 3 246 853 41 MANUAL INSTRUCTION INSTALL ENGLISH GERMAN FRENCH ITALIAN DUTCH ANTENNA ADAPTER 1 POWER CORD 1 501 502 FITTING FRAME ASSY 1 COLLAR 1 BUSHING 1 503 504 FI...

Page 32: ... HISTORY Clicking the version allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2002 11 New ...