Kenwood LZ-800W Service Manual page 18

AE AF
PC BOARD (Foil side view)
VIDEO UNIT (X35-4170-61)
1
X35-4170-61 A/2 (J74-1083-42)
2
C723
3
C722
JIG
4
5
1
5
S1
6
SCRN
(X35-4170-61)
Ref. No. IC20 IC30 IC100 IC150
Address 6AH 6AK 3AH 4AG
Ref. No. Q11 Q12 Q13 Q14
Address 6AK 6AJ 6AJ 5AJ
7
Refer to the schematic diagram for the values of resistors and capacitors.
AG AH
D702
L700
5
7
6
1
C724 C725
C100 C106
L100
C409
D100
C105 C107
R151
L103
Q152 C101 4 5
8 5
D101 C110
E B
R150
B E
C109 C111
1 8
E B
1 4
L101
C115
Q100
D102
C152 C113
C150
C151
B E
E B
I G O
Q150
C103
R58
F100
R59
R60
R61
R55
1
20 J50
R51
C153
C155
R56
I
I
G R57
G
O
O
C154
C157
CN600
1
X35 B/2
WH1
5
C158
7
I
G
O R21
1
J1 C159
C22
IC20
I
S2 R6 S3
G
R20
O
MODE V. SEL
IC151 IC152 IC153 IC154 IC155 IC200 IC201 IC300 IC301
4AH 4AH 5AH 4AI 4AI 4AL 3AL 3AL 5AK
Q15 Q100 Q150 Q151 Q152 Q154 Q200 Q201 Q300
5AJ 3AH 4AG 3AG 3AG 3AG 3AL 4AL 5AK
AI AJ
C710
C703
6 5
R709
IC700
R705
C704
10
1
R710
1 8
R711
R707
IC701 Q703
C711 B E
5
4
Q721 C705
R712
C707 C708 C716
Q700
C709
D700
Q701
D701
C701
Q702
F700
C108
14
15
C509
C510
1 14
R510
R509
C503
R501
R508
L501
R507
C501
R500
R506
L500 C507
8
7
Q501
R522
C502
C514
C505 R524
Q503
1 9
R504
R502
C516
28 R523
C511
C506
C513
R518 Q502
C500 Q500
C517
R519
L502
16
C518
C615
IC155 C324
5 1
R613
C161 4 3
C611
5 1
R54 51 75
4 R323
3
76
50
R52
C320
R607 R616
R632 L301
R324
R50
R631
R608 IC600
R609
R321
C610 VR302
R630
D601
R610 R605
R53 C318
R611
C602
8 1 R325
R623
COMDC
R622 R322
IC602
D603
R612
26 C319
100 5 4
R600
R620 VR303
25 1 5
1
R634 7 COMAC
R619
3 4
R635
C612
CP60 IC603
X600
C603
Q601 D602
8
Q600
C609
R618 C614
C600
Q14 Q15
4 1
R15
R16
R14
D11
D12
R13
Q13
L10
CN11
Q12
C32
R31
1
C30
R615
C31
C21
3
D20
IC302 IC400 IC500 IC501 IC502 IC600 IC601 IC602
5AK 2AL 3AJ 3AJ 4AK 4AI 5AI 5AJ
Q301 Q400 Q401 Q500 Q501 Q502 Q503 Q600
5AL 3AK 2AK 4AJ 3AJ 4AJ 3AJ 5AI
21 22
AK AL
C411
C403
C404
D400
R409
11
C408
Q401
10
C407
C400
R403 R415
IC400
R401
R406
C412
C406
R400 B E
C410
C405
1
20
R402
C415 R412
R410
C402
Q400
C416
C418
C413 C419
C414
E B
Q200
L201
8
9
C230
C228
R221
D202
C221
IC201
CP20
8 1
16
C301
R300
19 36
C212
18
C512 37
C216
L105
C515 R207
C209
1 C119 C217
C215
C800
C202
1 54 R208
C201 C218
55
8 5 72
5 4
14
8
C220
D301 CP202
IC801
1 3 R209 R210
C803 1 4
IC800 C801
E B IC802
VR304 0 1
7
VR306 C241
CONT
R331
13 24
Q201
D200
12 25 VR200
C325 C337
C336 R333
C323 GAMEN
R328
R336 C233
C322 C335 R338
R326
R335
R332
C321 C334
R327
R337
36
1
32
C332 CN200 1
37
48 VR305
C317
2
C333
C316
1 R320
R318 R319
R228 C232
R316 C315 VR301
RGB AMP
R317
14
4 1 L300
L32
R302
Q301
IC301
5 8
R305 C304
L302
C309
R32
IC30
4 5 A30
R1
S5 RESET
1 8 S4
C33
R3
R11
S7
VOL- VOL+
IC603 IC700 IC701 IC800 IC801 IC802
5AJ 2AJ 2AI 4AK 4AK 4AL
Q601 Q700 Q701 Q702 Q703 Q720 Q721
5AJ 2AJ 2AJ 2AI 2AI 4AG 2AJ
AM AN
2
1
VR201
FREE
C231
C219
R227
S6
R2
POWER