Page 1
http://servis-manual.com/
Page 2
7-4. SCHEMATIC DIAGRAM — MAIN SECTION 1 — • See page 28 for IC Block Diagram. • See page 17 for Wave form.
| ¯•B
TO MAIN BOARD (2/2)
1
(Page 22)
CX-ZA650
A
TO
PANEL
BOARD
C101
(Page 24)
TO PT BOARD
CN101 (Page 26)
B
DECK GND
CON351
CON301
CN601
CN301
D010
G5SBA60L
CNA001
CN351
Q605
2.8
Q606
2.8
C618
C317
C470
C318
9.9
4.5
R415
C407
R416
R414
4.5
Q451
BIAS SWITCH
D029
-32.6
R019
-36.2
Q002
-VFL REG
0
0
2.8
R377
FB302
R322
R411
C408
C034
R013
(1/2)
0
R633
E
R321
4.5
4.5
R409
C411
C412
R412
4.5
4.5
JR023
JR024
R029
Q008
R028
C038
R015
C031
-31.9
R014
Q605-607
AGC
R637
IC601
FUNCTION
R638
Q607
C630
R632
E
a
R407
C405
R410
IC401
a
R453
R073
R042
R047
R046
D033
11.4
10.6
K
K
R627
C615
C616
a
0
C060
C613
K
IC601
K
R081
C609
C633
C611
0
0
0
0
0
-2.9
0
0
0
2.8
C612
C614
R650
C610
C617
C634
Q235
MUTE CONT
R219
R077
R054
R055
D076
D060
D071
R061
R070
0
Q062
HOLD
3
0.6
0
-0.6
R065
HOLD
-0.6
Q063
Q063, 064
Q061
HOLD
AC/DC DET
Q060
R607
R603
R611
C605
E
R649
d
J
a
000
0
0
Q601
0
2.8
Q602
0
Q601,Q602
0
000
0
a
K
E
J
d
R608
R604
C606
R620
K
7
6.9
R217
6.4
R218
K
R159
R178
R160
R213
OVER LOAD SWITCH
R062
R063
D077
R064
0.6
0
0
Q064
K
D072
R010
R601
R615
R609
R605
R613
-1.1
R635
a
R628
R634
R618
R644
a
-1.1
R614
R610
R606
R602
C620
R616
R612
C121
R101
Q101
0
MUTE
0.7
R181
MUTE
R182
C122
C133
11.2
OVER LOAD SWITCH
11.2
*
D160
R168
Q130
*
C140
-58
R167
R058
R056
D063
D064
R103
Q102
0.7
0
R104
R102
Q126
10.9
R087
C188
R080
R080
C187
R048
D041
R085
R067
C061
R078
R079
d
J
E
a
JW601
a
E
J
d
D105
R169
Q113
R173
0.1
-0.3
R171
Q115
-0.9
0.9
C113
-0.9
-57.4
Q121
-58
Q111
R127
D115
D106
R170
Q114
R174
0.1
PRE AMP
R172
-0.9
-57.4
C114
-57.4
Q112
-58
R128
R180
Q112,116,122
PRE AMP
R071R072
:Impossible to measure
Q113, Q127
PRE AMP
D107
Q133
0.9
0.9
-0.9
D108
0.9
-0.3
-0.9
Q122
24.3
R137
C119
R133
0.9
Q127
C117
R175
-58
-0.9
R153
R157
24.3
Q134
0.9
Q128
0.9
R176
-58
-0.9
R154
0
0
R131
K
R129
0
Q131
Q131-134
-25.5
TH102
R138
C120
R134
0
C118
R132R130
0
Q132
-25.5
Q103, Q105, Q107, Q109
PRE AMP
Q103
R125
D101
R185
7.7
VP SWITCH
Q187
D191
R158
Q186
DC DET
R188
R187
24
22.6
R057
22.6
R059
R113
C115
R124
K
R114
23.9
-19.6
-56.9
Q065, 059
THERMAL DET
R123
R107
C111
R108 C110
C116
C112
Q185
18.9
18.8
R193
R189
R190
R194
-19.6
Q059
22.8
0
0.7
0.1
-57
D103
Q107
-58
R119
Q111, 115, 121
-57
D104
-57
Q108
-58
R120
R195
R196
C123
-57
PRE AMP
R197
R198
R069
R066
0.7
R161
R162
0.7
0.1
Q105
R165
D117
-57.4
-57.4
Q109
JR123
-57.4
-58
-57
R121
R151
R179
Q104
0.7
0.1
Q106
C124
R166
-57.4
D118
-57.4
Q104, 106, 108, 110
Q110
-57.4
JR124
-58
0.9
-57
R122
Q116
R152
R163
R164
D062
No mark:FM
*
R117
C109
R126
R118
0.1
D189
D190
R068
D065
R052
C103
K
R111
R105
C101
C107
C108
R106
C102
C104
R112
C097
Q185,187
DC DET
57
Q183
23.2
R199
D192
23.8
23.8
R184
C186
D193
D187
R192
D185
D186
D188
R177
Q184
-
VIP SWITCH
-25.1
-57.2
-58
R186
23.9
Q065
22.6
R060
D042
R096
R093
R094
D602
R626
R625
R631
R622
R621
D601
a
R403
R401
C401
C403
R405
C406
R408
C404
R406
R402
C402
R404
R037
R45
R017
R044
R043
R050
R051 R039
R038
R074
Q009
12
11.2
R031
10.6
11.2
C035
R033
R030
11.1
10.6
Q010
R034
R032
Q009, 0101
VCC REG
C036
D034
D035
R076
R040
FB602
0
K
Q114, 128
PRE AMP
C623
C624
C678
Q123
0
Q123
*
R155
R141
R135
D150
R156
0
Q124
*
R136
R142
C099
FAN BOARD
CN502
CONN
4P
C501
R653
R654
R661
R662
C677
K
R243
R245
R246
R244
CN602
J
J
J602
d
C669
C670
d
C241
R265
K
K
R266
J602
VIDEO/AUX/
PHONO IN
J201
J201
K
K
R247
K
R249
C225
K
J230
C227
K
C229
R248
L202
C226
C230
C231
C228
C232
R250
R512
D501
J230
K
CN501
R511
R507
R506
R503
Q501
R505
12.1
0
R502
R501
Q501, 503
5.5
C502
R504
Q503
2SA952TP
12.1
12.1
CN503
2P
0.1
C503
No mark:FM
MAIN BOARD
K
K
R639
CLP601
R306
C461
SFR451
SFR452
R303
4.5
Q309
4.5
4.5
4.5
Q310
a
C457
G3SBA60L
4.5
4.5
R302
R301
3.9
3.9
D009
4.5
Q305-310
REC/PB
SWITCH
R319
C005
C459
4.5
Q301
0.3
Q302
4.5
4.5
Q303
R305
4.5
Q304
C327
SFR451, SFR452
RECORD BIAS
C458
L451
C003
C004
C006
C010
C009
C012
C011
E
C301
E
C302
C303
R304
C304
Q301-304
SWITCH
E
a
E
E
E
4.5
C462
R001
R005
R307
IC301
PB AMP
R308
Q305
4.5
3.9
4.1
R399
3.9
Q306
0.3
Q453, Q454
CLP302
C019
C020
C022
C083
4.5
C309
R309
4.5
C310
4.5
Q307
4.5
3.9
8.1
R454
C456
C452
Q454
C021
IC301
9.9
4.5
4.5
R315
C307
C308
R310
R316
4.5
IC301
R423
C409
C399
4.1
C410
Q308
4.5
R424
12.1
12
11.7
Q453
11.7
12
R456
12.1
JR404
Q003
23.1
0.1
Q005
Q005, 006
VM REG
C025
C027
E
R317
R313
C313
R314
C314
E
R318
4.5
4.5
R419
Q443
4.3
R421
R417
Q443, 444
SWITCH
R418
R422
4.3
R420
4.5
4.5
Q444
R455
R018
0.7
D030
R020
Q451
C453
R458
C455
C454
R459
Q003
24.3
23.6
R023
12.1
R016
Q006
C032
1.1
R022
R021
0.6
D026
D025
D027
C026
D028
C028
C365
C315
IC401
REC AMP
D401
0
12.1
R460
-41.7
-VFL REG
C360
11.7
C460
C030
R011
C326
IC401
R457
RELAY DRIVE
D031
R012
-36.8
Q001
R376
R375
FB301
R413
Q008
R027
-36.2
2121
Page 3
CX-ZA650
7-5. SCHEMATIC DIAGRAM — MAIN SECTION 2 — • See page 27 for IC Block Diagram. • See page 17 for Wave form.
1
TO
MAIN
BOARD
(1/2)
(Page 21)
MAIN BOARD
IC991
PLL
C997
R980
(2/2)
C998
C991
X992
C992
C999
IC991
R993
R995
R991
TA
D991
L905
R805
R804
L801
C804
C798
C807
R802
R795
R791
R803
7.3
0.4
R801
C810
R821
C792
R818
C786
8.3
8.3
C799
C781
C803
8.3
3.3
L802
C802
C795
2.3
2.3
8.3
2.3
7.2(4.7)
2.3
C823
0(1.3)
R814
C814
0.2(1)
C824
2.3 8.3 6.8
R793
C801
C800
0
23
2.3
3.4
3.4
R823
C793
C825
C821
R826
C789
C790
C822
C791
C796
D801
R806
IC801
AM/FM IF,MPX
R811
C815
C809
L811
C808
R809
R810
R981
R975
R989
R987
D994
R985
C971
2.7
C984
C974
C972
R977
0.9(1.6)
C973
C995
R978
1
1
5.5
2.7(0)
0(2.7)
R988
C993
8.3
0
2
12.1
8.9
C979
C981
C982
R983
R984
R982
2.7
R992
0
R996
0.1
R994
0
R998
R999
5.8
2.1
C987
0(7.1)
R990
0(8.3)
0
R997
R976
C772
R813
D803
C771
Q981Q981
2SC4115STPS
8.3
B+ SWITCH
C816
R812
C983
R986
C783
R815
C784
R824
C797
R825
R790
R860
JR835
C782
C788
C850
CF832
C959
R963
R854
C852
C851
6.6
4
R853
L951
(600KHz)
C904
Q835
8.2(0.3)
4.8
Q902
L906
FM FREQUENCY
COVERAGE
SH901
R856
C853
R857
R855
MIX
0.7(0.3)
R905
R832
C914
L904
D903
B+ SWITCH
0.9(8.3)
CF831
C961
R858
C911
Q836
R945
R907
C918
C912
C913
C785
L951
R840
C842
C960
C910
L903
D902
R904
C915
C922
8.3
8.2(0.3)
L832
C962
C963
C940
C916
C908
C844
L903
R909
7.5(0.3)
C917
C907
R836
R903
L902
R908
8.1(0.3)
FM OSC
0(6.9)
R910
Q903
4.4(0)
C905
R851
C921
Q901
0
C909
R911
R921
C901
C843
C849
R852
J831
J831
R850
L951
C858
(1000KHz)
No mark
( )
D944
JW
C847
C848
C846
C845
2222
Page 4
CX-ZA650
7-7. SCHEMATIC DIAGRAM — PANEL SECTION — • See page 28 for IC Block Diagram. • See page 17 for Wave form.
A
TO
MAIN
BOARD
(1/2)
CN601
(Page 21)
PANEL BOARD
CNA302
CN101
D135
R079
R081
R083
R082
R085
R080
DECK GND
R074
R075
R076
R077
R078
R084
C117
CD-KEY BOARD
(FLUORESCENT INDICATOR TUBE)
0(4.5)
R421
C421
C422
D137
R951
0
-28.6
R950
R422
R425
D138
5.30505
1
-28.6
R949
Q130
SWITCH
0.3<0.6>
IC101
SYSTEM CONTROLLER
-28.5
-28.4
-28.4
-28.4
-28.4
-28.4
R946
R945
R944
R948
R947
R943
4.9
4.8
R197
S421
R1010
-28.4
R942
R941
-28.4
R940
-28.4
R156
R157
R158
C138
-28.5
R939
0
0
-28.2
-28.2
R938
R937
No mark
< > CD STOP
R901
12.1
5.7
-31
5
C135
R936
IC412
REMOTE
CONTROL
RECEIVER
R902
R935
-30.9
-25.2
R903
-19.8
R934
-12.1
-17.1
R933
R904
-14.4
-16.8
-17.2
R905
R1007
R1006
R1005
R1004
R1003
R1002
R1001
R1000
952
CN1000
-17.3
-18.3
-14.5
-24
-25.5
-28.2
19
-17.2
5
-24.3
-22.1
-19
-19.4
-19.5
-22.2
-14.4
-22.2
-17.2
-17.2
-22.7
-25.4
-27.7
-17.2
-14
-22.7
-25.4
-28.2
-17.3
-25.5
-31
R905
R906
R907
R908
R909
R910
R911
R912
R913
R914
R915
R916
R917
R918
R919
R920
R921
R922
R923
R924
R925
R926
R927
R928
R929
R930
R931
R932
2.3(0.1)
C122
R121
R176
R087
Q134
R304
C303
R303
C301
C302
R311
R123
R305
C311
R122
IC380
SPEANA
2.7
2.7
1
1.4
5.4
D311
R125
D351
1SS181
-TE85L
D134
0
0
0<0.2>
0
12.1
4.9
7
0
4.9
R135
0.6
0.6
R136
2.3
R137
2.5
5
2.9
5
5
5
4.9
0.2
0
0.1
0
2.4
4.4
4.9
-28.5
R952
R411
C412
C411
R412
R423
R424
R124
R307
R306
2.7
2.7
2.7
-TE2
0.8
1.6
C310
R687
R686
R680
LED698
SLR-56DCT32
C305
1.6
0
R321
R688
R682
LED682
SLR-56DCT32
C124
C306
2.7
R322
R334
R689
R683
LED683
R126
R332
R302
D303
R335
R333
R670
R684
LED684
SLR-56DCT32
SLR-56DCT32
R330
D304
R331
R323
D301
R685
LED685
SLR-56DCT32
R324
C952
C951
R201
C950
C949
D450
C948
C947
D451
R202
R205
LED202
SLR-56DCT32
C946
C945
C944
C943
R371
D371
R206
LED205
SLR-56DCT32
IC662
SERIAL IN
PARALLEL OUT
DRIVER
C942
C941
D372
C940
11.3
5.8
Q105
D101
+5V REG
C108
R105
10.7
R101
10.2
Q101
+5V REG
C110
C116
R104
0.6
0.5
R106
0.6
Q104
5
Q102
B+SWITCH
0.1
R112
5
C111
R368
D379
0.1
R375
0.6
D380
0.5<10.7>
10.7
0.7
R808
R376
D382
D381
0
0
0
-E2
6
0.6
0.6
<0.6>10.7
R807
R806
R378
R377
D383
D386
D384
D385
R256
R805
R404
R403
D447
R379
R402
C252
R252
R253
R254
R255
R111
C253
C251
R251
R374
R373
D378
D376
D375
D377
R218
R214
R213
R217
LED212
LED210
SLR-56DCT32
SLR-56DCT32
10.7<0.6>
10.7
0.1
R809
+5V REG
R113
R367
R116
R366
0.6
R441
C100
C125
C102
D104
R115
R114
0.1
Q111
Q441
SWITCH
-30.7
5.7
R442
R351
R353
12.1
Q351
R363
D103
C112
12
C117
C114
5.8
R361
C106
0
Q352
R356
Q353
R352
R354
0
0
10
LED DRIVER
D102
1SS184-TE85L
0
C132
C113
R953
R138
0.4
0
4.5
INVERTER
SWITCH
0.4
0
0
R139
Q133
Q131
Q131
C137
C133
0
0
R357
Q132
D134
R133
R131
R401
R405
R355
C123
R088
R090
C304
R302
---
S651
R831
R830
R829
R828
R827
R826
R825
R824
R823
R823
R822
R821
TO TAPE MECHANISM
(ZZM-3)
S754
S753
S752
S751
R751
R753
R752
S755
R754
R755
R651
R652
C652
R653
C651
R654
R655
R851
R850
R849
R848 R847
R846
R845
R844
R843 R842
2424
Page 5
CX-ZA650
7-9. SCHEMATIC DIAGRAM — POWER SECTION —
MAIN
(1/2)
CNA001
(Page 21)
CN101
9P
PR104
PR103
PR102
PR101
POWER TRANSFORMER
(MAIN)
PT1
*
Not replaceable
*
Built in trasformer
S101
RY101
D101
D102
D103
D104
POWER TRANSFORMER
(SUB)
PT2 SUB BMA H (VRK)
FC001
F001
T6.3AL 250V
FC002
AC IN
2626
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