Service manual ■ contents to service personnel . . . . . . . . . . . . . . . . . . . . 2 front panels . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–3 rear panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 specifications . . . . . . . . . . . . . . . . . . . . . . . . . ....
Rx-e400 2 rx-e400 ■ to service personnel 1. Critical components information components having special characteristics are marked z and must be replaced with parts having specifications equal to those originally installed. 2. Leakage current measurement (for 120v models only) when service has been co...
Rx-e400 rx-e400 3 ▼ b, g models ■ rear panels ▼ u, c models ▼ r model ▼ a model ▼ b model ▼ g model.
Rx-e400 4 rx-e400 ■ fm section tuning range u, c models . . . . . . . . . . . . . . . . . . . . . . . 87.5 to 107.9mhz a, b, g models . . . . . . . . . . . . . . . . . . . 87.50 to 108.00mhz r model . . . . . . . . . . . . . . 87.5 to 108.0/87.50 to 108.00mhz usable sensitivity (75 Ω ) mono (s/n 30d...
Rx-e400 rx-e400 5 * specifications subject to change without notice. ■ internal view q power transformer w main (6) p.C.B. E am/fm tuner r main (2) p.C.B. T operation p.C.B. Y main (4) p.C.B. U main (1) p.C.B. I main (3) p.C.B. ● dimensions (rx-e400) unit : mm (inch) 217 (8-9/16") 8 (5/16") 100 (3-1...
Rx-e400 6 rx-e400 1. Removal of top cover a. Remove 4 screws ( q ) and 4 screws ( w ) in fig. 1. B. Lift the top cover at the rear and move it rear-ward slantingly. 2. Removal of front panel a. Disconnect 4 connectors (cb251, cb253, cb210, cb406) in fig. 2. B. Remove 2 screws ( e ), 3 screws ( r ) a...
Rx-e400 rx-e400 7 ● servicing position a. Remove the top cover and the front panel unit. B. Remove 6 screws ( y ) in fig. 3. C. Remove 5 screws ( u ) in fig. 3. D. Remove 3 screws ( i ) in fig. 3. E. Remove the power transformer and main p.C.B. (with the rear panel attached) from the main chassis. F...
Rx-e400 8 rx-e400 ■ test mode standby/on key is pushed while pushing display key and auto/man'l key. Test mode indication. Preset/tuning b key test mode number up. Preset/tuning n key test mode number down. Preset/band key execute test mode. Standby/on key power off the completion of test mode. Powe...
Rx-e400 rx-e400 9 preset group a b c d e p1 p2 p3 p4 p5 p6 p7 p8 caution : when executing test mode no. 2 ram clear, be sure to write down the preset memory contents of the tuner, using a table like the one shown below. Execution of ram clear will set the memory contents of the tuner back to the fac...
Rx-e400 10 rx-e400 ■ ic data no. Port name in/out function 1 p97 fan dr out not used 2 p96 rly pw out power supply relay (power on) out [0:off 1:on] 3 p95 vol dn out motor vr down out [1:down] 4 p94 vol up out motor vr up out [1:up] 5 p93 enc b in rotary encoder-b in [pull-up resistor] 6 p92 enc a i...
Rx-e400 rx-e400 11 no. Port name in/out function 23 p77 ce out c2b(lc72722/lc78211)ce out [1:data transmission] 24 p76 clk s-clk lc72722/lc78211 clk out (serial i/o-1) 25 p75 dat i s-in lc72722 data in (serial i/o-1) 26 p74 dat o s-out lc72722/lc78211 data out (serial i/o-1) 27 p73 mut a out amp mut...
Rx-e400 12 rx-e400 ● key input (a-d) pull up resistor 33k Ω Ω v key 0 (98pin) key 1 (96pin) key 2 (95pin) 0 0 — 0.556 power preset/band display +6.8k — 1.111 preset/tuning b min auto/man'l timer memory time adj +5.6k — 1.667 preset/tuning n hour no key no key ● tuner market select in (94 pin, a-d) p...
A b c d e f g h 1 2 3 4 5 6 rx-e400 13 fluorescent display v700 pj250 motor drive ic211 q701 q703 q702 ic100 input select or 1 2 58 59 21 24 ~ 16 63 100 7 22 12 99 seg-1~35 dig-1~16 operation key sw701~707 95 96 98 97 key2 x in x out 10xout 10xin rly. Pw q231 xl701 xl700 key1 key0 avss 12 94 des 1 3...
A b c d e f g h 1 2 3 4 5 6 rx-e400 14 ch 2 ch 1 point q (pin 11 of ic700) v : 2v/div, h : 10 µ sec/div dc, 1 : 1 probe 0v point e ch 1 : collector of q701 ch 2 : collector of q702 v : 2v/div (ch 1) v : 5v/div (ch 2) dc, 1 : 1 probe, h : 0.5sec/div point w (pin 13 of ic700) v : 2v/div, h : 50nsec/di...
A b c d e f g h 1 2 3 4 5 6 rx-e400 15 ■ printed circuit board (foil side) main ( 1 ) p. C. B. System connector subwoofer r l speakers main (3) sgnd vol- up vol- dn e e t-out -r e t-out -l e e hp- r hp- l main (4) main (2) st/mo mut t st a da t i clk da t o ce 12 Ð12 etu b g 12 main (6) dg f2 f1 s12...
A b c d e f g h 1 2 3 4 5 6 rx-e400 16 ■ printed circuit board (foil side) md cd aux tape in out in in in out main ( 2 ) p. C. B. Etu —12v 12v ce dat o clk dat i mut t sta st/mo main (1) — 12v 12v e r e l e main (3) 16 15 14 12 1 13 24 85 1 30 ce clk te 5v rds te mutt st/mo dat i dat o nc 12v tul tu...
A b c d e f g h 1 2 3 4 5 6 rx-e400 17 ■ printed circuit board (foil side) circuit changes by market. U, c r a b g f231 x x x x o f401 x o x x x cb233, 234 x x x x o j250 o o o o x r234 o x x x x j241 o x o o o r232, 233 x o x x x c232 x o x x x q232 x o x x x d232 x o x x x sw401 x o x x x cb401, 4...
A b c d e f g h 1 2 3 4 5 6 rx-e400 18 ● ics njm2068d-d lb1641 1 10 ● diodes 1ss133 1ss270a 1sr139-400 hzs5b2td hzs5c2td hzs12a2td hzs12b2td hzs202td hzs302td anode cathode d5sba20-401 lc78211 lc72722 m30217m8-a103fp 2sa1708 (s, t) 2sc4488 (s, t) 2sc4481 (s, t) b c e e b c 2sa1740s (r, s) 2sa1317 (r...
A b c d e f g h 1 2 3 4 5 6 i j k 7 8 rx-e400 19 ■ schematic diagram (main) * all voltage are measured with a 10m Ω /v dc electric volt meter. * components having special characteristics are marked z and must be replaced with parts having specifications equal to those originally installed. * schemat...
A b c d e f g h 1 2 3 4 5 6 i j k l 7 8 rx-e400 20 ■ schematic diagram (operation) * all voltage are measured with a 10m Ω /v dc electric volt meter. * components having special characteristics are marked z and must be replaced with parts having specifications equal to those originally installed. * ...
Rx-e400 rx-e400 21 abbreviations in this list are as follows : c.A.El.Chp : chip alumi. Electrolytic cap c.Ce : ceramic cap c.Ce.Array : ceramic cap array c.Ce.Chp : chip ceramic cap c.Ce.Ml : multilayer ceramic cap c.Ce.M.Chp : chip multilayer ceramic cap c.Ce.Safty : recognized ceramic cap c.Ce.Tu...
Rx-e400 22 rx-e400 p.C.B. Operation schm ref. Part no. Description market new parts * schm ref. Part no. Description market new parts * % : note on the operation pcb of the operation pcb part nos., only the silver (si) type part nos. Are included in the table. The only different part between the gol...
Rx-e400 rx-e400 23 p.C.B. Main schm ref. Part no. Description market new parts * schm ref. Part no. Description market new parts * * v9319100 p.C.B. Main uc * v9332500 p.C.B. Main r * v9332000 p.C.B. Main a * v9332100 p.C.B. Main b * v9332200 p.C.B. Main g cb103 vu281500 cn 15p se 9604s cb104 vi8785...
Rx-e400 24 rx-e400 p.C.B. Main schm ref. Part no. Description market new parts * schm ref. Part no. Description market new parts * c289 vg291200 c.El 47uf 50v c290 vr325000 c.Mylar 100pf 100v c291 ua654680 c.Mylar 0.068uf 50v c292 ua654680 c.Mylar 0.068uf 50v c293 ur865220 c.El 0.22uf 50v c294 ve326...
Rx-e400 rx-e400 25 p.C.B. Main schm ref. Part no. Description market new parts * schm ref. Part no. Description market new parts * z q541 vr510800 tr 2sd2396 j,k r167 hv753220 r.Car.Fp 2.2Ω 1/4w r168 hv753220 r.Car.Fp 2.2Ω 1/4w r169 hv753470 r.Car.Fp 4.7Ω 1/4w r210 hv754100 r.Car.Fp 10Ω 1/4w z r211 ...
A b c d e 1 2 3 4 5 6 7 rx-e400 26 ■ exploded view % : note on the operation pcb of the operation pcb(1-1) part nos., only the silver (si) type part nos. Are included in the table. The only different part between the gold (gd) and silver (si) type parts is the sheet/fl that is attached to the fluore...
Rx-e400 rx-e400 27 ■ mechanical parts ref. No. Part no. Description remarks markets new parts * * 1‑1 v9333900 p.C.B. Ass'y si:operation si 1‑10 mf117120 flexible flat cable 17p 120mm * 1‑101 v8783300 front panel rxe400si * 1‑101 v8783500 front panel‑rds rxe400rdssi * 1‑101 v8783400 front panel rxe4...
Rx-e400 28 rx-e400 ref. No. Part no. Description remarks markets new parts * * 113 v8786100 knob/d10‑p si * 113 v8786200 knob/d10‑p gd 115 vq368600 push rivet p3555‑b 120 vr264400 spacer h8 * 122 v9817200 sheet/barrier‑rx rbg 140 vn413300 bind head bonding b‑t. Screw 3x8 mfzn2bl 141 vy731200 bonding...
A b c d e 1 2 3 4 5 6 7 rx-e400 29 remote control transmitter ■ schematic diagram ic1 : jt7060–18 ki/o6 ki/o7 s0 s1 rem vdd x out x in gnd reset ki/o5 ki/o4 ki/o3 ki/o2 ki/o1 ki/o0 ki3 ki2 ki1 ki0 ir-led ir 1 q1 2sd1781kr r2 220 Ω dc3v b1 c1 47 µ f/16 x1 455khz c2 100p c3 100p c4 0.1 µ f 1 2 3 4 5 6...
Rx-e400 30 rx-e400 features • one bus line controls all the units. • units are connected in series, using monaural mini jacks. • units can be connected in any order description of operation rx cpu cd x cpu m dx cpu k x cpu bus line serial data format rx cdx md x kx header data (8bi t) 2.5ms 4ms 5.5m...
Rx-e400 rx-e400 31 description of main system operation 1) power on/off processing [(1) to (4)] rx cdx m dx k x u, c, r, g models • the power cord of each unit is connected to the ac outlet in series and switched on and off through the rx relay. • turning off the rx power switch will turn off the po...
Rx-e400 32 rx-e400 remarks remarks remarks dimmer level signal transmitted about 1 second later power sw off [poff_req] [poff_ok] [poff_ok] secondary connection state [state_on] power sw on rx cdx mdx kx secondary connection state cdx mdx kx or [state_off] power sw on ac outlet on rx [dimm_*] cdx rx...
Rx-e400 rx-e400 33 remarks remarks stop when func ≠ cd stop when func ≠ md stop when func ≠ tape and in play mode remarks stop when func ≠ cd stop when func ≠ md stop when func ≠ tape [play] mdx power off kx rx cdx secondary connection state after power off processing rx cdx mdx or [func_md] [func_c...
Rx-e400 34 rx-e400 remarks execution of function selection remarks execution of function selection recording unit kx or [func_md] or [func_tape] or [func_tu] rx cdx mdx [func_cd] timer time reached [cd_tplay] or [func_aux] timer play command transmitted when play unit is cd, md or tape kx or [md_tpl...
Rx-e400 rx-e400 35 remarks when the unit is left at stop without any key operation rx cdx mdx kx when a key operation is made again before before [poff_req] is fed from the receiver auto power off request cancel [apoff_cl] state request [state_req] auto power off request [apoff_req] secondary connec...
Rx-e400 36 rx-e400 remarks key key key [state_on] auto power on applicable key input secondary connection state operation according to the input operation according to the input secondary connection state rx cdx mdx operation according to the input auto power on applicable key input kx auto power on...
Rx-e400 rx-e400 37 rx code cdx code mdx code kx code remote control cd cd_stop 80 cd_play/pause 81 cd_eject 82 cd_skip+ 83 cd_skip- 84 search+ 85 search- 86 seach_end 87 cd_randam 88 cd_time 89 cd_prg 8a cd_rpt 8b tape 8c peak search 8d cd_0 90 cd_1 91 cd_2 92 cd_3 93 cd_4 94 cd_5 95 cd_6 96 cd_7 97...
Rx-e400 38 rx-e400 reception status of operation switches during recording (*=aux or tuner) c ^ t c ^ m m ^ t t ^ m c ^ t c ^ m m ^ t t ^ m c ^ t,m * ^ m * ^ t * ^ t,m rx power o o o o o o o o o o o o function x x x x x x x x x x x x cd power o o o o o o o o o o o o eject x x o o o o o o o o o o pla...
A b c d e 1 2 3 4 5 6 7 rx-e400 39 ref. No. Part no. Description remarks markets new parts * nx-e400 22 21 7-1 7-2 1-12 7-3 12 7 1 13 22 2 3 4 tweeter (xw275a00) woofer (xw276a00) r1 2.7 /5w l1 1.0mh l2 0.27mh c2 3.3 f/63v c1 8.2 f/63v input 30 x 2 * 1 v9509300 cabinet ass'y bl 1‑12 cb605250 holder ...
Parts list for carbon resistors 1/6w type part no. Hf45 7100 hf45 7110 hf85 7120 hf45 7130 hf45 7150 hf45 7180 hf45 7220 hf45 7240 hf85 7270 hf45 7300 hf45 7330 hf45 7360 hf45 7390 hf45 7470 hf45 7510 hf45 7560 hf45 7620 hf45 7680 hf45 7820 hf45 7910 hf45 8100 hf45 8110 hf45 8120 hf45 8150 hf45 8180...