Page 1
Wiring diagram
5
FRONT SIDE
Switch board
CN701
4
Remote control board
CN702
Main board
CN1
CN2
3
CN901
2
1
REAR SIDE
A
BCD EFG
2-1 2-2
Page 2
Block diagram
AUDIO
5
INPUT1
S-VIDEO
PJ111
PJ101A
L00 R00
YIN00 C1
LOUT2 ROUT2
AUDIO
LOOP
PROTECT
PJ115
PJ105
AUDIO
OUTPUT1
S-VIDEO
IC103
AUDIO
PJ112
INPUT2
S-VIDEO
PJ102A
S-VIDEO/AUDIO
INPUT
4
AUDIO
PJ113
L01 R01
YIN01 C2
L02 R02
SOURCE
SELECT
IC101
YOUT2 COUT2
6dB
LOUT1 ROUT1
S-VIDEO
INPUT3
S-VIDEO
INPUT4
S-VIDEO
AUDIO
PJ103A
PJ114
PJ104A
YIN02 C3
YOUT1 COUT1
6dB
L03 R03
Y/C
YIN03 C4
Y/C DECODE
IC104
IC108
LOOP
PROTECT
IC109
PJ116
PJ106
AUDIO
OUTPUT2
S-VIDEO
IC107
3
CB-OUT
Cy
CR-OUT
CY-OUT
Cy1
PJ101B
PJ117
PJ107A
AUDIO
S-VIDEO
INPUT1
Cr1 Cb1
Cy2
Cy
PJ201
PJ102B
Cb/Cr
2
INPUT2
Cr2 Cb2
COMPONENT
Cb/Cr
PJ202
SOURCE
SELECT
IC201
XC
COMPONENT
SELECT
IC206
Cr-OUT
Cb-OUT
Cy-OUT
6dB
IC207
Cy
Cb Cr
MONITOR
OUTPUT
PJ107B
COMPONENT
VIDEO
PJ205
TERMINAL INPUT
Cy
Cy
PJ103B
PJ203
PJ104B
(Cy/Cb/Cr)
INPUT3
Cb/Cr
1
Cy3
Cr3 Cb3
Cy4
XC YC
SOURCE
SELECT
IC202
INPUT4
Cb/Cr
A
BCDEFG
PJ204
Cr4 Cb4
2-3 2-4
Page 3
Standard schematic diagrams
r
S-Video and audio signal IN/OUT terminal section
5
4.2V
4.5V
3.9V
4.5V
4.4V
4.5V
4.0V
4.5V
4.5V
3.9V
5.0V
4.5V
4.5V
0V
5.0V
3.9V
0V
0V
3.9V
IN1
4
IN2
4.5V
0.7V
-6.4V
6.4V
5.9V
1.3V
6.1V
0.8V
1.4V
1.4V
0.7V
5.9V
0.7V
6.1V
0.8V
4.5V
4.4V
0V
4.5V
4.5V
4.3V
4.5V
3.6V
0V
4.4V
4.5V
3.9V
0V
0V
0V
4.0V
0V
4.4V
9.0V
3.2V
4.5V
3.2V
4.5V
4.3V
0V
0V
1.8V
1.6V
0V
0V
0V
0V
0V
5.0V
1.4V
0V
0V
4.5V
4.5V
3.9V
0V
5.0V
4.0V
4.0V
4.5V
6.4V
6.4V
6.4V
6.4V
4.2V
-6.4V
4.2V
-6.4V
4.2V
0.8V
0V
0.8V
0V
-6.4V
0.7V
4.2V
0.8V
-6.4V
0.5V
-6.4V
-5.8V
-6.4V
-5.8V
0.8V
6.4V
-6.5V
0.1V
6.4V
-6.4V
0.5V
-6.4V
-6.4V
-6.4V
6.4V
0V
0V
0V
0V
OUT1
6.4V
-0.1V
-0.8V
-6.0V
OUT2
0V
0V
0V
0V
0V
0V
-6.4V
-6.4V
-6.4V
IN3
6.4V
0.7V
0.8V
3
0.1V
-6.4V
-6.4V
0.7V
-0.6V
6.4V
0V
-6.0V
Monito
OUT
6.4V
6.4V
6.4V
6.4V
0V
6.4V
6.3V
0V
-0.6V
IN4
2
1.8V
5.0V
0V
0V
5.0V
0V
0V
0V
0V
0V
2.2V
5.0V
2.8V
4.0V
4.0V
0.2V
3.7V
3.9V
3.8V
1.6V
3.4V
2.6V
0V
0.7V
1.5V
0.1V
0V
4.2V
2.4V
3.9V
9.0V
3.0V
1.8V
2.9V
0V
9.0V
2.3V
5.7V
2.3V
5.7V
2.6V
5.3V
9.0V
5.3V
0.8V
1.0V
0.9V
0.3V
3.8V
4.1V
3.0V
3.0V
3.0V
0.8V
0V
6.3V
0V
6.2V
1.3V
0.7V
-0.6V
6.4V
0V
6.4V
0V
5.0V
5.0V
-6.4V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
2.4V
3.7V
4.3V
4.3V
0V
0V
1
To System control section
SHEET 3
A
BCD EFG
2-5 2-6
To Component signal IN/OUT terminal section
SHEET 2
SHEET 1
Page 4
Component signal IN/OUT terminal section
1.7V
1.0V
-6.2V
5
1.7V
1.0V
1.0V
-6.2V
1.7V
-6.2V
IN1
6.4V
0V
2.0V
To S-Video and audio signal IN/OUT terminal section
SHEET 1
2.0V
1.7V
2.0V
1.7V
0V
0V
0V
0V
0V
0V
0V
-6.4V
0V
5.0V
2.2V
0V
0V
5.0V
2.8V
4.0V
3.3V
0.8V
4.6V
0V
0V
4.8V
0V
0V
4
IN2
1.4V
3
IN3
2
1.4V
1.4V
1.4V
1.4V
-6.3V
1.4V
2.0V
2.0V
-6.3V
2.0V
-6.3V
2.0V
-6.3V
2.0V
-6.3V
2.0V
-6.3V
1.7V
6.4V
2.0V
2.0V
2.0V
1.7V
1.7V
2.0V
1.7V
2.0V
2.0V
0V
0V
-6.4V
0V
3.1V
5.4V
0V
4.6V
2.3V
0V
0V
3.0V
-6.4V
-6.4V
6.4V
0V
0V
0V
-6.4V
5.4V
5.4V
0V
9.0V
0V
0V
4.6V
0V
5.4V
6.4V
-0.1V
6.4V
-0.1V
6.4V
-0.1V
Monitor
OUT
0V
2.0V
1.4V
-6.3V
2.0V
1.4V
IN4
1
A
-6.3V
2.0V
1.4V
-6.3V
To System control section
SHEET 3
BCDEFG
2-7 2-8
SHEET 2
Page 5
System control section
5
To Power
supply section
SHEET 5
To S-Video and audio signal IN/OUT terminal section
SHEET 1
To Component signal IN/OUT terminal section
SHEET 2
4.9V
0V
4
5.0V
0V
0V
5.0V
5.0V
0V
0V
0V
0V
0V
0V
3
To CN701
3.1V
0V
0V
5.0V
0V
0V
4.2V
4.3V
-6.4V
4.3V
5.0V
0V
5.0V
5.0V
5.0V
5.0V
3.8V
3.8V
SHEET 4
0V
0V
0V
0V
0V
0V
0V
0V
5.0V
0V
5.0V
0V
0.2V
0V
2.7V
2.9V
0V
5.0V
0V
4.9V
5.0V
5.0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
5.0V
0V
5.0V
5.0V
5.0V
5.0V
5.0V
0V
0V
2.5V
0V
5.0V
5.0V
0V
0V
0V
0V
0V
0V
0V
0V
5.0V
0V
0V
1.8V
1.6V
0V
0V
2
5.0V
0V
5.0V
-2.8V
5.0V
0V
To CN702
SHEET 4
1
SHEET 3
A
BCD EFG
2-9 2-10
Page 6
Operation switch and remote control section
5
1.8V
0V
0V
0V
0V
0V
To CN1
SHEET 3
0V
0V
0V 0V
0V
0V
4
3
Switch board
5.0V
6.4V
0V
To CN2
2
SHEET 3
5.0V
5.0V
0V
2.0V
0V
0V
1
Remote control board
SHEET 4
A
BCDEFG
2-11 2-12
Page 7
Power supply section
5
5.0V
0V
164V
8.3V
4
159V
4.2V
0V
0V
4.2V
0V
3
0V
0V
6.1V
5.8V
0V
9.4V
2.2V
9.0V
9.4V
7.1V
-9.8V
2.2V
6.4V
-6.4V
0V
7.1V
0V
0V
To System
control section
SHEET 3
0V
-7.1V
-7.1V
2
0V
5.0V
5.0V
0V
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
1
SHEET 5
A
BCD EFG
2-13 2-14
Page 8
Printed circuit boards
Main board
5
4
3
2
Switch board
Remote control board
1
A
BCDEFG
2-15 2-16
Page 9
COMPONENT PARTS LOCATION GUIDE <MAIN BOARD>
REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION
IC
IC1 C3
IC2 B3
IC101 H3
IC103 D2
IC104 C2
IC105 I4
IC106 I4
IC107 G4
IC108 C2
IC109 A2
IC201 D2
IC202 E2
IC205 E4
IC206 E3
IC207 A1
IC701 B5
IC902 B4
IC903 B5
IC905 B4
Transistor
Q1 D4
Q2 D4
Q3 D4
Q4 D4
Q5 D3
Q6 C3
Q7 C4
Q8 E4
Q9 E4
Q10 E4
Q11 D3
Q12 D3
Q101 H2
Q102 H2
Q103 G2
Q104 H3
Q108 D1
Q109 D1
Q110 D1
Q111 D1
Q112 C1
Q113 C1
Q114 C1
Q115 C1
Q116 B1
Q117 B1
Q118 B1
Q119 B1
Q122 F4
Q123 F4
Q124 F3
Q125 G3
Q126 G3
Q201 I1
Q202 I1
Q203 H1
Q204 H1
Q205 H1
Q206 G1
Q207 G1
Q208 F1
Q209 F1
Q210 E1
Q211 E1
Q212 E1
Q701 B5
Q901 B4
Q902 A4
Q903 B4
Q904 C4
Q905 C4
Q906 C4
Q907 C4
Q908 C4
Q909 C5
Diode
D1 D4
D2 D3
D112 D1
D113 D1
D114 D1
D115 D1
D117 C1
D118 C1
D119 C1
D120 C1
D122 B1
D123 B1
D124 B1
D125 B1
D201 I1
D202 I1
D203 I1
D204 H1
D205 H1
D206 G1
D207 G1
D208 F1
D209 F1
D210 E1
D211 E1
D212 E1
D213 B1
D214 A1
D215 A1
D701 H5
D702 G5
D703 F5
D704 E4
D705 C5
D706 D5
D901 A3
D902 A4
D903 B4
D904 B4
D905 B4
D906 A4
D908 A4
D909 C4
D910 C4
D911 A5
Condenser
C1 C3
C2 C3
C3 B3
C4 D3
C5 C3
C9 C3
C10 C3
C11 C3
C12 C3
C13 C4
C18 C3
C19 C3
C20 C3
C21 C3
C22 C3
C23 C3
C24 C3
C25 C3
C26 C3
C27 C3
C28 C3
C29 D4
C30 D4
C31 E4
C39 C3
C42 B4
C44 C3
C45 C3
C46 C3
C47 C3
C101 I3
C102 I3
C103 I3
C104 H3
C105 I3
C106 I3
C107 I3
C108 I3
C113 I1
C114 I3
C115 G1
C116 F1
C118 H1
C119 I1
C120 G1
C121 G1
C122 F1
C123 F1
C124 E1
C125 E1
C126 H2
C127 I2
C128 H3
C129 H3
C131 H2
C132 H2
C134 G3
C136 G4
C137 G4
C138 G4
C139 G4
C140 G4
C141 F3
C142 G3
C143 G3
C144 G4
C145 F4
C149 F3
C151 D2
C153 D1
C154 D2
C155 C1
C156 C1
C156 D1
C158 C1
C159 D2
C160 B1
C161 C1
C163 B1
C164 C2
C165 A2
C166 A2
C168 I3
C169 I4
C170 I4
C171 I4
C172 I4
C173 I4
C174 I4
C175 B2
C176 B2
C177 I2
C178 I2
C179 H3
C180 H3
C181 C2
C182 D2
C183 B1
C184 F4
C185 F4
C187 C2
C188 G4
C189 C2
C190 F4
C191 F4
C192 F3
C193 F3
C194 G3
C195 F3
C196 G2
C197 G2
C198 G2
C199 G2
C201 I1
C202 I1
C203 I1
C204 H1
C205 H1
C206 G1
C207 G1
C208 F1
C209 F1
C210 E1
C211 E1
C212 E1
C213 E2
C214 G2
C215 H2
C216 I5
C217 I1
C218 D2
C219 E3
C220 E3
C221 E3
C222 F4
C223 E3
C224 F4
C225 E3
C226 A2
C227 B2
C228 A2
C229 A2
C230 A1
C233 D2
C235 E2
C237 A2
C238 A2
C239 A2
C240 E2
C241 D2
C242 E3
C243 E4
C244 E3
C245 E4
C246 E4
C247 E4
C701 B5
C901 B3
C902 A3
C903 A3
C904 A4
C905 B4
C906 B4
C907 B4
C909 A4
C911 B4
C912 C4
C913 C5
C914 B4
C915 B4
C916 C4
C917 B4
C919 C4
C920 A4
Resistor
R1 D4
R2 D4
R3 D4
R4 D4
R5 D4
R6 D4
R7 B3
R8 B3
R9 C3
R11 C2
R12 C2
R14 D3
R15 D3
R16 E4
R17 E4
R101 I1
R102 H1
R103 G1
R104 E1
R105 I1
R106 H1
R107 G1
R108 F1
R113 H1
R114 H1
R115 G1
R116 G1
R117 F1
R118 F1
R119 E1
R120 E1
R122 H2
R123 H2
R124 H2
R125 H2
R126 H2
R127 H2
R128 H3
R129 G2
R130 H2
R131 H2
R132 G3
R133 H3
R134 H3
R135 G2
R136 G3
R137 H3
R140 F4
R141 F4
R144 I4
R145 I3
R146 B2
R147 B2
R149 I4
R150 C1
R151 D1
R152 B1
R153 C1
R155 C1
R156 C1
R157 C1
R158 C1
R159 C1
R161 B1
R162 B1
R163 B1
R164 B1
R165 B1
R166 A1
R167 B1
R169 D1
R170 D1
R171 D1
R172 D1
R173 D1
R174 G3
R175 G3
R176 G4
R177 G4
R178 G4
R179 G4
R180 G4
R181 G4
R182 F3
R183 F3
R184 F4
R185 F3
R186 F4
R187 F4
R188 F4
R189 F4
R190 F4
R191 F4
R192 F3
R193 F3
R196 I4
R198 F3
R199 F3
R201 I1
R202 I1
R203 I1
R204 H1
R205 H1
R206 G1
R207 G1
R208 F1
R209 F1
R210 E1
R211 E1
R212 E1
R213 I1
R214 I1
R215 I1
R216 H1
R217 H1
R218 H1
R219 G1
R220 F1
R221 F1
R222 I1
R223 I1
R224 I1
R225 I2
R226 H1
R227 I2
R228 H1
R229 H2
R230 G1
R231 H2
R232 G1
R233 G2
R234 F1
R235 G2
R236 F1
R237 F1
R238 F1
R239 F2
R240 E1
R241 E2
R242 E1
R243 E2
R244 E1
R245 E2
R246 E1
R247 E1
R248 E1
R252 B1
R253 B1
R254 B1
R255 H3
R256 H3
R273 E3
R274 E3
R275 A2
R276 A2
R277 A2
R278 A2
R279 A2
R280 E4
R281 E4
R282 E4
R701 B5
R702 B5
R901 A3
R902 A3
R903 A4
R904 A4
R905 B4
R906 B4
R907 B4
R908 B4
R909 B4
R910 B4
R911 B4
R912 B4
R913 B4
R914 B4
R915 A5
R916 A5
R917 B4
R918 B4
R919 B4
Other
CF102 G4
CF103 I4
CF201 E4
CJ1 C4
CJ2 C3
CJ3 C3
CJ4 C3
CJ5 D3
CJ6 C4
CJ101 I2
CJ102 H2
CJ103 H3
CJ104 H3
CJ105 H3
CJ106 I3
CJ107 I4
CJ108 I4
CJ109 G2
CJ110 E2
CJ111 E2
CJ112 E2
CJ113 D2
CJ114 D2
CJ115 E3
CJ116 E3
CJ117 E3
CJ118 C2
CJ119 F2
CJ121 D2
CJ122 H4
CJ701 G5
CJ702 B5
CN1 D4
CN2 C4
CN901 B3
CN701 G5
CN702 B5
DL1 F3
F901 A3
J1 C3
J2 C4
J3 C4
J4 C4
J5 C4
J6 C4
J7 C4
J8 C4
J9 C4
J10 C4
J11 C4
J12 C4
J13 C4
J14 D3
J15 C3
J16 C3
J17 C3
J18 C3
J19 C3
J20 D3
J21 D3
J22 D3
J23 D3
J24 D3
J25 D3
J26 D4
J27 D4
J28 D4
J29 C4
J30 C4
J31 D4
J32 D4
J33 D4
J34 D4
J35 E4
J36 E4
J101 I2
J102 I2
J103 I2
J104 I2
J105 I2
J106 I2
J107 I2
J108 I2
J109 I2
J110 I2
J111 I2
J112 I3
J113 I3
J114 I3
J115 I3
J116 I4
J117 I4
J118 I4
J119 I4
J120 I4
J121 I3
J122 H3
J123 H3
J124 H3
J125 H3
J126 H3
J127 G3
J128 G3
J129 G2
J130 G2
J131 H3
J132 H2
J133 H2
J134 H2
J135 H3
J136 H2
J137 H2
J138 I2
J139 I2
J140 I2
J141 I2
J142 I2
J143 H2
J144 H2
J145 H2
J146 H2
J147 H2
J148 H2
J149 H2
J150 H2
J151 H2
J152 H2
J153 G2
J154 G2
J155 G2
J156 G2
J157 G2
J158 G2
J159 G2
J160 G2
J161 G2
J162 F2
J163 F2
J164 F2
J165 F2
J166 F2
J167 F2
J168 F2
J169 G2
J170 G2
J171 G2
J172 G2
J173 G2
J174 G2
J175 G2
J176 G3
J177 G3
J178 G3
J179 G3
J180 G3
J181 G3
J182 G3
J183 F3
J184 F3
J185 F3
J186 F2
J187 G3
J188 G3
J189 G4
J190 G4
J192 D2
J193 D2
J194 D2
J195 D2
J196 F4
J197 F4
J198 F4
J199 F4
J200 F3
J201 F4
J202 F4
J203 F4
J204 F4
J205 F4
J206 F4
J207 E4
J208 E4
J209 E4
J210 E4
J211 E4
J212 E3
J213 E3
J214 E3
J215 E3
J216 E3
J217 D3
J218 E4
J219 D3
J220 D3
J221 D3
J223 D2
J224 D2
J225 D2
J226 D2
J227 D3
J228 E2
J229 E2
J230 E2
J231 E2
J232 F2
J233 F2
J234 F2
J235 F2
J236 F2
J237 F2
J238 F2
J239 F2
J240 F2
J241 F2
J242 E2
J243 E2
J244 E2
J245 E2
J246 E2
J247 E2
J248 E2
J249 E2
J250 E2
J251 D2
J252 D2
J253 D2
J254 D2
J255 D2
J256 D2
J257 D2
J258 D2
J259 D2
J260 D2
J261 D2
J262 C2
J263 C2
J264 C2
J265 C2
J266 C2
J267 C2
J268 C2
J269 C2
J270 C2
J271 B2
J272 B2
J273 B2
J274 B2
J275 B2
J276 B2
J277 C2
J278 C2
J279 B2
J280 B2
J281 A2
J282 A1
J283 A1
J284 A1
J285 A1
J286 A1
J287 A2
J288 E3
J289 E2
J290 E2
J291 D2
J292 D2
J293 G4
J294 D2
J701 H5
J702 G5
J703 G5
J704 F5
J705 F5
J706 E5
J707 E5
J708 E5
J709 D5
J710 D5
J711 B5
J712 B5
J901 A4
J902 B4
J903 B4
J904 B5
J905 B5
L901 A3
L902 B4
PC901 B4
PJ101 I1
PJ102 H1
PJ103 G1
PJ104 E1
PJ105 D1
PJ106 C1
PJ107 B1
PJ111 H1
PJ112 G1
PJ113 F1
PJ114 E1
PJ115 D1
PJ116 C1
PJ117 A1
PJ201 I1
PJ202 H1
PJ203 F1
PJ204 E1
PJ205 B1
SW701 H5
SW702 G5
SW703 F5
SW704 E5
SW705 B5
SW706 D5
SW707 B5
T901 A4
VD901 B3
X1 C3
X101 F3
2-17 2-18
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