1 service manual pdp-42 plasma display system contents 1. General ............................................................................................................. 2 2. Display panel ................................................................................................... 3 2-1...
2 1.General 1.5 precautions concerning the display panel 1. Never lay the display panel directly on a table. Placing the display panel directly on the table may cause serious damage to the display tube. You must place a sponge pad (or some other soft ma- terial) on the table first then place the dis...
3 2. Display panel 2-1 location of major parts fig.2-1 front view fig.2-2 front view (under the display block) display tube cooling fan cooling fan cooling fan fan-a pcb fan-b pcb connection pcb power sw pcb filter pcb power supply-2 pcb power supply-1 pcb remote sensor-2 pcb.
4 display panel 2-2 removal procedures 2-2-1. Rear cover fig.2-3 (1) remove the 20 a screws ( ⇨ m arked) on the rear cover. (2) remove the 6 b screws ( ➡ m arked) on the rear cover. (3) carefully remove the rear cover from the display panel. 2-2-2. Front cover 1) place the display panel face up on t...
5 2-2-4. Reassembling the display block 1) reassemble in the reverse order for installation. Special notes before placing the chassis on the display block ! When placing the chassis on the display block, use extreme caution not to break the protruding part of the display tube as shown in fig.2-6. 2)...
6 3-2-2. Front panel block (1) remove the five screws on the bottom. (2) disconnect the two flat cables from the p601 & p602 connectors on the input pcb. (3) remove the three screws ( ⇨ m arked) on the input pcb. (4) release the tabs on both sides snd remove the front panel block by gently pulling i...
7 3-3 a/d converter level adjustment 3-3-1. Y level adjustment 1) connect a color bar generator (pal or ntsc) to the av4 composite video input and supply a pal or ntsc color bar signal (1.0 vp-p output level, 100.0.75.0 colour bars). 2) connect an oscilloscope to tp41 then adjust vr41 so that the le...
8 4. Mechanical ass’y and parts list (display unit) 4-1 display panel mechanical ass’y ref. No. Part no. Description q'ty 1 0h08889a p.Flame (c) r554 1 2 0h08890a p.Flame (d) r554 1 3 0h08891a p.Flame (e) r554 2 4 0h08823a n.Plate r554 1 5 0b90989a optical filter pdf-69 1 6 0b90990a pdp unit r554 1 ...
9 4-1-1 display panel main shassis ass’y (a) ref. No. Part no. Description q'ty a-1 0b50432a p.Supply rps-8247 1 a-2 0b90988a motor fan 3 a-3 0b85756a inlet zug2210-11 1 a-4 0j08674a sapcer stand 6 a-5 0b90984a clamp tl-20s 1 a-6 bk10471a filter p.C.B. Ass'y r554 1 l01 0e04278a bid40x08stl cmt l02 0...
10 4-1-2 display panel mechanical ass’y (b) mechanical ass’y and parts list (display unit) ref.No. Part no. Description q'ty b-1 0b90988a motor fan 2 b-2 0h08887a cap sw 1 b-3 bk10483a fan-a p.C.B. Ass'y r554 1 b-4 bk10484a fan-b p.C.B. Ass'y r554 1 b-5 bk10469a connection p.C.B. Ass'y r554 1 b-6 bk...
11 5-1 connection p.C.B. Ass’y 5. Electrical parts list (display unit) 5-2 fan-a p.C.B. Ass’y 5-3 fan-b p.C.B. Ass’y 5-4 power switch p.C.B. Ass’y 5-5 remote sensor-2 p.C.B. Ass’y 5-6 filter p.C.B. Ass’y r554 ref. No. Part no. Description q'ty bk10469a connection p.C.B. Ass'y r554 0b61640a connectio...
12 6-1 control unit mechanical ass’y 6. Mechanical ass’y and parts list (control unit) 29 15 19 18 25 30 22 16 7 1 21 20 28 17 10 23 6 4 24 9 8 12 3 27 12 27 2 5 14 13 26 11 l09 l09 l05 l09 l09 l06 l06 l05 l05 l07 l12 l13 l14 l06 l11 l03 l07 l07 l10 l06 l06 l06 l07 l06 l06 l06 l06 l06 l06 l06 l06 l0...
13 6-1 control unit mechanical ass’y ref. No. Part no. Description q'ty 1 0h08929a upper cover r555 1 2 0h08918a front panel r555 1 3 0h08920a door panel r555 1 4 0h08919a center panel r555 1 5 0h08911a panel side-r r555 1 6 0h08906a panel side-l r555 1 7 0h08914a power button r555 1 8 0h08849a n. P...
14 7. Electrical parts list (control unit) 7-1 inlet p.C.B. Ass’y 7-2 main p.C.B. Ass’y ref.No. Part no. Description q'ty bk10487a inlet p.C.B. Ass'y (usa/can) r555 0b61654a inlet p.C.B. (except usa/can) r555 0b61656a inlet p.C.B. (usa/can) r555 c431 0b43333a cml re-c 224k275v 1 l431 0b50470a line f...
15 p551 0b85765a po b10b-ph-sm3tb 10p* 1 tr1 0b13265a tr dtc114tka* 1 tr10 0b13265a tr dtc114tka* 1 tr171,172 0b13247a tr 2sc2412k-r/s* 2 tr175,176 0b13247a tr 2sc2412k-r/s* 2 tr177,178 0b13247a tr 2sc2412k-r/s* 2 tr181,182 0b13247a tr 2sc2412k-r/s* 2 tr2 0b13265a tr dtc114tka* 1 tr202,203 0b13247a ...
16 7-5 led p.C.B. Ass’y tr202 0b13247a tr 2sc2412k-r/s* 1 tr203 0b13245a tr 2sa1037ak-r/s* 1 tr204,205 0b13247a tr 2sc2412k-r/s* 2 tr206,207 0b13245a tr 2sa1037ak-r/s* 2 tr208 0b13245a tr 2sa1037ak-r/s* 1 tr21,22 0b13264a tr dtc114eka* 2 tr40 0b13264a tr dtc114eka* 1 tr41 0b13247a tr 2sc2412k-r/s* 1...
17 8. Package ass’y and accessory kit 8-1 display unit package ass’y 8-2 control unit package ass’y 9-1 stand ass’y n225gn 8-3 accessory kit 8-4 accessory package ass’y n935 9. Desk top stand parts list 2 1 l01 l01 l02 9-2 stand package ass’y ref. No. Part no. Description q'ty 0f05649a carton r554-(...
18 10. Recommended spare pars list ref. No. Part no. Description 1 0b50430a s.Trans hs-832af (except usa/can) 2 0b50431a s.Trans hs-832af (usa/can) 3 0b50432a p.Supply rps-8247 4 0b13151a sid 1ss355te-17* 5 0b13259a sid 1ss131 t-77 6 0b13258a sid 1n4002-n02 7 0b13316a zd mtzj4.7a 8 0b90986a fuse 0.2...
19 11. Ic block diagrams cxd2053am (ntsc/ccir auto wide detector, edtv-ii id & id-1 detector) an5385k (image enhance ic) pin no. Port name i/o function 1,9 avdd - analog power supply. 2 adin i a/d converter input. 3,12 avss - analog ground. 4 cpv i clmp voltage. 5 vrb - a/d converter bottom voltage....
20 epf6016atc144-2 (tim) (timing control pld) epf6016atc144-2 (scan) (scan convertor pld) scan configuration osd interf a c e picture frame interf a c e vertical pixel number expansion horizontal pixel number expansion or reduction color tempe. Change gamma correction to each blocks frame memory fra...
21 in mode(41,93) vd(1),hd(92) csync(2) dlyi(70,73,74) pal(79) d.Vd(120),xhsync(52) d.Macro(16),o/e(106) afch(123,124),pcvga(108) cen(129),m_en(37) ordo(69),dlyo(71,72) clk,hogo(89) dvd in (42-45,48-51) d_en(75) cbdb(8-15) crdb(22-29) ydb(137-144) dvd(88) uck(46) ena0(47) d(35,36,38-40) clk(17) dclk...
22 ic block diagrams t q clr clk q s q r d clk reg capacitor charge current 8 osc d v 2 3 4 1 v a v b v 2 v 2 v cc v cc v 1 v 1 composite sync video input vertical sync gnd default 8 7 6 5 ocd/even field index rest burst gate/ back porch clamp lm1881mx (sync separator) mb90096 (multi scan on-screen ...
23 mb90f553a (system control mi-com) pin no. Port name i/o function 1 polv l pc input's vertical sync signal judge input.. 2 exiv l pc input's horizontal sync signal judge input. 3 osd.Tre l osd ic busy signal input (h: busy). 4 osd.Rst o osd ic reset signal output. 5 pc o this pin turns to "h" when...
24 msm548331 ic block diagrams pin no. Port name i/o function 70 dat.En o audio ic's i 2 c data in/out switching control. 71 dat.Out o i 2 c data output pin to the audio ic. 72 a.Clk o serial clock output to the audio ic. 73 a.Mute o audlo circuit muting control output. 74 data o serial data output ...
25 tc9090af (multi color 3 line digital y/c separator) tda4665 (base band delay line).
26 tda8709a (video analog input interface) tda9143 (i 2 c-bus controlled, alingment-free pal/ntsc/secam decoder/sync processor) tlc2932ipw (high quality locked loop) ic block diagrams.
27 12. Specifications ! Display panel screen size ........................ Diagonal 42 inch (1,058 mm), 920 (h) × 518 (v) mm aspect ratio ........................ 16 : 9 display pixels ..................... 852 (h) × 480 (v) display colors ..................... 16,770,000 colors contrast ..............
28 nakamichi corporation 1-153 suzukicho, kodaira, tokyo 187-8501, japan phone: 81(42)342-1111 nakamichi america 18375 s. Broadwick st., rancho dominguez, ca 90220 phone: 1(310)631-2122 fax: 1(310)631-2760 nakamichi asia 8/f the grande bldg., 398 kwun tong rd., kowloon, hong kong phone: 852-2357-669...
