PROTECTION OF EYES FROM LASER BEAM DURING SERVICING CAUTION This set employs laser. Therefore, be sure to follow carefully Use of controls or adjustments or performance of proce- the instructions below when servicing. dures other than those specified herein may result in hazardous radiation exposure.
NOTE ON BEFORE STARTING REPAIR 1. Forced discharge of electrolytic capacitor of power supply block When repair is going to be attempted in the set that uses relay circuit in the power supply block, electric potential is kept charged across the electrolytic capacitors (C101, 102) even though AC power cord is removed.
Page 5
In such a case, check also if the POWER AMPLIFIER circuit or power supply circuit has any abnormalities or not. 2-2. Regarding reset There are cases that the machine does not work correctly because the MICROCOMPUTER is not reset even though the AC power cord is re-inserted, or the software reset (pressing the STOP key + POWER key) is performed.
TRANSISTOR ILLUSTRATION S D G E C B E C B B C E 2SB1342 2SJ460 CSA952 DTC114ES 2SB1370 2SK2541 CSC4115 2SD1933 KTA1266 KTC3198 KTC3199 E B C B C E E C B 2SC3331 2SA1981 CC5551 2SK360 2SA1235 CMBT5551 2SC2714 KRA102 KRA107...
Page 37
IC DESCRIPTION IC, M38B57MCH-E236FP / M38B59MFH-E251FP Description Pin No. Pin Name I-SIG RDS signal level A/D input. (Not used) I-HOLD Hold voltage level A/D input. I-SW (CD) CD mecha SW A/D input. I-DISH CD turn-table position check A/D input. I-KEY2 KEY2 A/D input.
Page 38
Pin No. Pin Name Description O-DISH_R CD turn-table reverse turn output. O-DISH_F CD turn-table forward turn output. I-SUBQ Sub code-Q data input. O-CD_CE CD DSP chip enable output. I-WRQ CD WRQ input. O-CLK (CD) CD control clock output . O-DATA (CD) CD control data output.
Page 39
ADJUSTMENT <TUNER / DECK> A MAIN C.B L801 L802 TC942 L941 TP4 (DC) IC801 L942 TP3 (DC) IC301 L951(1/3) (CLK) TP8 (LCH) TP1(VT) TP9 (RCH) FFE831 DECK–1 R/P/E, DECK-2 P HEAD B FRONT C.B FL201 TP5 (K-SCAN) IC101 L101 SFR701 –...
Page 40
< TUNER SECTION > < DECK SECTION > 1. Clock frequency Check 10. Tape Speed Adjustment (DECK 1) Settings : • Test point : TP2 (CLK) Settings : • Test tape : TTA–100 Method : Set to AM 1710kHz(U, HA), MW 1602kHz(HS,EZ,K) •...
Page 41
MECHANICAL EXPLODED VIEW 1 / 1 AZG-1 ZA3RNDM 31 30 FL201 P.C.B P.C.B HT-SINK HA ONLY PLATE,EARTH ZZM-2 PR1NM 14K,16EZ HLDR1 (EZ,K ONLY) 14U,14EZ HLDR2 ONLY P.C.B WIRE,BINDER P.C.B HS ONLY P.C.B HT-SINK, FIN-S CHAS, MAIN P.C.B P.C.B (14U ONLY) (HA ONLY) P.C.B –...
TAPE MECHANISM PARTS LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 8Z-ZM1-254-210 SPR-C,REEL R 36 8Z-ZM1-220-110 LEVER,REC SENSOR 2 8Z-ZM1-225-110 GEAR,REEL R 37 8Z-ZM1-249-010 SPR-T,FR 3 8Z-ZM1-253-110 SPR-C,AUTO SENSOR 38 8Z-ZM1-242-110 SPR-T,FF/REW 4 8Z-ZM1-217-110 LEVER,AUTO SENSOR...
Page 45
SPEAKER DISASSEMBLY INSTRUCTIONS Type.1 Type.4 Insert a flat-bladed screwdriver into the position indicated by the TOOLS arrows and remove the panel. Remove the screws of each speaker 1 Plastic head hammer unit and then remove the speaker units. 2 (() flat head screwdriver 3 Cut chisel How to Remove the PANEL, FR Type.2...