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SAAX-54
Schematic
11 pgs1.15 Mb0

Technics SAAX-54 Schematic

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SCHEMATIC DIAGRAM-1
MAIN CIRCUIT
: +B line
: -B line
: Main signal line
: FM/AM signal line
TO AC-3 CIRCUIT (CN401) ON
SCHEMATIC DIAGRAM-8
TO AC-3 CIRCUIT
(CN402) ON SCHEMATIC DIAGRAM-8
JK401
L CH
PHONO
R CH
CP401
GND
SW_OUT
GND V_SELB V_SELA
SW_EXT SR_EXT
CP402 SL_EXT C_EXT L_EXT
R_EXT
-14V +14V AGND
IC451
AN6558F
PHONO EQ IC
R453
C451
820
R451 220K
R452 220K
50V4.7
R457
270
R455
C457
10V33
C458
R456
10V33
R458
270
R454
C452
820
50V4.7
f
e f h
g h
i j
l k
n p q
r
IC602
NJM2060D
BUFFER AMP
E401
C406
100P
1
3
2
1 2 3 4 5 6 7
1 2 3 4 5 6 7
56K
56K
R459
68
R460
R463
R461 180K
C453
100P
12K
C461
6800P
<-14.95V> 4
C459
0.022
1000P
C455
<0.05V>
3
2
50V4.7
<0.05V>
1
C463
<-0.11V>
C466
0.01 R465
56K
IC451
C454 100P
C462
68
6800P
R464
12K
<0V>
14
m
13
C456
<0.05V> 1000P
C577
0.01
<0V>
C460
0.022
R462 180K
<0V>
12
VSS
765
<0.05V>
11
IC602
VCC
4
3
1 2
R576
<0V>
<0V>
<0V>
C576
560P
<14.31V>
8
<-0.11V>
<14.24V>
C464
50V4.7
R572
680
<-14.96V>
<0V>
10
5
<0V>
C574
1000P R574
<0V>
9
6
R573
<0V>
C573
560P
C465
0.01
8
7
<0V>
<0V>
R466
56K
qr
l
C580
R580
680
16V22
+
IC652
NJM4580DD
BUFFER AMP
C582 560P
R582
<0V>
1
2.7K
<14.97V>
<0V>
<0V>
4
2
3
C652
63V33
+
R654
IC652
C4
8
<0.03V>
7
R581
<0V>
C581
2.7K
560P
6
5
<0V>
<0V>
C691
63V33
16V22
+
C579
R692
R652
680
TO PANEL CIRCUIT
(CP904) ON SCHEMATIC DIAGRAM-6
CN904
S_DET
OVL2
6CH_STB
SW_MAIN_IN
RS_IN GND1
SURR_SROUT
SW_OUT MAIN_LIN MAIN_RIN
1 2 3 4 5 6 7 8 9
10
CP1201
C414
+
16V10
R420 100K
g
h
d
2
3
1
AGND
C_EXT
SL_EXT
TO PRO-LOGIC CIRCUIT (CN1201) ON
SCHEMATIC DIAGRAM-10
4
PH_L
5
PH_R
i
6
L_EXT
j
7
R_EXT
b
CP1202
2
-14V
3
SW_EXT
p
5
6
4
SW_OUT
SURR_COUT
SURR_SLOUT
k lfh n t
1
+14V
TO PRO-LOGIC CIRCUIT (CN1202) ON
SCHEMATIC DIAGRAM-10
R575 680
C575 16V22
L4
7
CP1203
SURR_SROUT
C578
p
0.01
a
SR_EXT
R571
680
C571
16V22
R4
4
3
5
2
1
L_DOUT
TU_LOUT
TU_ROUT
TO PRO-LOGIC CIRCUIT (CN1203) ON SCHEMATIC DIAGRAM-10
6
7
R_DOUT
6CH_STB
4
2
1
3
SL_IN
L_DOUT
R_DOUT
TO PANEL
(CP905) ON SCHEMATIC DIAGRAM-7
5
6
7
C_IN
SURR_SLOUT
CIRCUIT
C413
16V10
8
CN905
SURR_COUT
R419 100K
SCHEMATIC DIAGRAM-2
IN3-
SGND
IN2-
23 22
IC601
RSN310R36-P
POWER AMP(HIC)
L5
R689
820
R690
820
C601
63V33
C602
63V33
C641
63V33
24
<0V>
<0V>
<0V>
C642 820P
C603
C604
820P
820P
R605
4.7
220
220
R624
R647
R603
R5
R604
R642
R606
21
<0V>
220
IN1-
C622
C607 18P
R607
PASS+
PASS-
<57.7V>
<-57.7V>
C621
100V10
100V10
RVD1SS133TA
C643
56K
R643
56K
18P
C619
C608
18P
R608
56K
TTLPowLim
1820
1719
<-0.26V>
R636
25V100
D617
: +B line
VDlim
16
<-8.27V>
<-28.47V>
47K
RLY
C618
SENS-
15
<-16.55V>
1000P
R638
150K
IC601
SENS+
14
<14.27V>
150K
R637
13
<-0.75V>
2.2
C617
IHDET
470K
R629
<-1.54V>
DISP
12
R634
1K
R630
<0V>
120K
DC
25V100
R631
: -B line
<-12.23V>
OVERDET
1011
C616
R633
47K
150K
180K
R632
<-0.01V>
GND
9
0.01
C615
d
<-0.05V>
AC
8
R635
<0.01V>
Vo1
7
D602
150K
a
n
<-31.7V>
-HOUT
6
RK306LFU1
d c b f
: Main signal line
<31.62V>
Vo2
VH-
+HOUT
4
3
5
<0.01V>
<-61.7V>
C646
RK306LFU1
0.1
R610
L604
0.7µΗ
g
h
D601
: FM/AM signal line
VH+
Vo3
1
2
RVD1SS133TA
D605
<62V>
<0.01V>
C612
0.047
47
R645
L602
0.7µΗ
47
10
R612
R609
47
L603
0.7µΗ
j k m d a b c
a b
100
100
R627
R628
C611
10
0.047
R644
10
C644
R611
0.047
R625
C625
100
100
R626
10
10
C626
IC651
<-9.29V>
SGND
22
C692 820P
<0V>
4.7
R674
d a b
c
h
C654
820P
220
R697
CP1204
2021 19
<0V>
<0V>
220
R656
R672
1
TO PRO-LOGIC CIRCUIT (CN1204) ON SCHEMATIC DIAGRAM-10
-VD
<-60V>
100V10
C672
47
R671
2
TNR_CK
+VD
17
18
100V10
C671
47
3
4
SURR_CK
SURR_DT
SURR_CE
NC (OPEN)
16
<0V>
<0V>
C658
18P
R658 56K
R693 56K
C693 18P
6
5
TNR_DT
NC (OPEN)
15
<0V>
7
SEL_ST
<61.1V>
IN2+
IN2-
RLY
1000P
C668
14
SENS-
<-12.1V>
R688
SENS+
13
12
<15.26V>
150K
R687
CN902
<-0.28V>
2.2
C667
150K
DISPDCOVERDET
IHDET
11
1098 7
C666
25V100
470K
<-0.01V>
R683
<-11.23V>
47K
R684
220K
R679
R681
RSN313H25-P
HIC
a b c
3
2
1
4
SP_A
SP_B
S/C_SP
OVERLOAD
TO PANEL
(CP902) ON SCHEMATIC DIAGRAM-5
<-12.32V>
+
220K
R682
IC651
L751
100µH 6
5
5.6V
BACKUP
GND
AC
<-0.01V>
<-0.05V>
0.01
C685
8
7
SURR_CE
SURR_CK
CIRCUIT
VOL1
6
<0V>
150K
R685
10
9
TNR_CE
SURR_DT
5
<-31.64V>
D652
C758
100
CN903
-HOUT
+HOUT
4
3
<0V>
<31.57V>
D651
1
2 SD
STEREO FM_
<-61.7V>
VH+
VOL2
VH-
1
2
<62V>
R664
47
L652
0.7µΗ
L651
0.7µΗ R663
47
f e
4
5
6
3
IFIN
SEL_ST
V_SELB
V_SELA
TO
PANEL (CP903) ON SCHEMATIC
DIAGRAM-5
10
R661
R662
D655
C662
0.047
C661
k
l
r q j a b t c d i
9 10
8
+14V
1
-14V
7
TUN_DT
TUN_CK
CIRCUIT
10
0.047
2
3
AC
HP_L
HP_R
TO PANEL
(CP901) ON SCHEMATIC DIAGRAM-5
D655 RVD1SS133TA
D651,D652
RK306LFU1
4
5
AC2
e g
6
7
-27V LIMITTER
CIRCUIT
k e h
q b
a
p
9
8
RDS
AF_MUTE
10
CN901
RELAY
SCHEMATIC DIAGRAM-3
: +B line
: -B line
: Main signal line
: FM/AM signal line
SR3
Q723
RVTDTA114YST
SHORT DETECTOR Q725
RVTDTC114YST
SHORT DETECTOR
2SD2374PQAU
2SC1740SQSTA
2SA1534AQRTA
C537
16V10
SL3
C538
16V10
C586
16V10
R586
10K
R585
C3
10K
C585 16V22
bp d a m
k t
l
Q701
REGULATOR
Q703,704
REGULATOR
Q707
REGULATOR
Q708
2SB1548PQAU
REGULATOR
Q706
2SC1740SQSTA
REGULATOR
Q706
<5.59V>
<6.22V>
R714
<13.83V>
R537 10K
R538
10K
39
R535
<0V> <0V>
R536
R584
<0V>
Q553
R583
39
R713
0.01
C710
C715
16V100
<-14.91V>
C714
25V47
<0V>
<0V>
<0V>
C709
16V33
D708
Q708
Q551
<-15.4V>
Q552
<-15.4V>
Q554
<-15.4V>
<-15.4V>
C572
16V22
R711
R712
MTZJ16CTA
R595
1K
R596
1K
R598
1K
R597
1K
<14.37V>
<14.96V>
<14.94V>
<15.52V>
<6.82V>
R708
R725
820
0.01
C713
<-15.51V>
<-31.88V>
0.1
C535
Q551,552,553,554
2SD1915FTA
MUTING CONTROL
Q701
<31.65V>
Q703
<31.42V>
<15.53V>
Q704
<6.22V>
D705
0.01
C711
<-27.6V>
<-27.04V>
<-38.5V>
Q707
MTZJ6R2BTA
R550
C708
R721
560
<5.07V>
Q725
0.01
R722
<31.63V>
R707 220
R706
1K
C712
12K
R727
220
<-31.86V>
R705
C707
50V10
10K
47K
<-0.01V>
10K
47K
R723
1/2W 1
35V100
D707
R726
220
g
h e
b a
c
d
<-0.01V>
C705
C706
MTZJ27DTA
10K
47K
R724 1/2W 1
<-0.01V>
Q723
<31.89V>
D732
35V5600P35V5600P
10K
R720
<5.28V>
Q724
<-31.98V>
R545 680K
Q604
<-0.01V>
10K
10K
<4.45V>
R639
100K
R640
1K
Q604
RVTDTA114EST
REGULATOR
RVD1SS133TA
D721D722
D725D726
C721
D731
RVD1SS133TA
RVTDTC114YST
REGULATOR
<-0.01V>
10K
4.7K
<-9.25V>
Q651
<-0.37V>
a b
c
<-8.23V>
d
Q652
<-27.7V>
d c fej g m n
a
D723D724
0.1
D721-728
1N5402BM21
Q724
s
10K
4.7K
<-0.91V>
R623
Q603
<-6.17V>
<-1.14V>
D727
D728
4.7K
R615
1K
10K
<-6.16V>
<-0.37V>
<-0.88V>
R621
<-1.012V>
<-6.3V>
Q601,602,603
RVTDTA143XST
RELAY DRIVE
R728
680K
0.1
C722
d
10K
<-0.05V>
<-0.92V>
10K
4.7K
<-7.64V>
Q601
680K
R729
R441 47K
Q605
<-0.01V>
10K
D618
MTZJ18CTA
C702
D702
0.1
D703
D701-704 1N5402BM21
R780
3.9
R442 47K
Q605
RVTDTA114EST
REGULATOR
R698
R613
<-0.91V>
R622
10K
4.7K
<4.76V>
<-31.96V>
Q602
R699
Q651, Q652
RVTDTA143XST
RELAY DRIVE
D704
D701
q
R614
C703
75V7500
f h g e
r
C704
75V7500
56
R440
R443
C440
56
0.01
D401
MTZJ7R5CTA
11
DI
CL
DO
8910
6
7
4
5
CE
DET
TU_LOUT
TU_ROUT
TO TUNER PACK (RAN0001MM)
2
3
1
CP101
SD
+14V
SCHEMATIC DIAGRAM-4
: +B line
Q777,778
2SA933SQRSTA
FAN MOTOR DRIVE
10K
<0V>
Q778
D770
R778
<-16.4V>
<-16.4V>
<-0.13V>
R771 100K
Q772
<-16.3V>
<-0.16V>
<-16.4V>
R777 150K
R773
10K <0V>
Q774
RVTDTA113ZST
FAN MOTOR DRIVE
D771,772,774 MA700ATA
D769,770 RVD1SS133TA
D771 D772
R774
C780
1.5M
16V470
C778 16V100
C779 16V100
C772 50V4.7
C771
50V4.7
R779
Q777
<0V>
R770 100K
<-16.4V>
p
q
c a b d
<-16.4V>
RL601-604
RSY0013M-0
<-0.01V>
C774
6.3V100 <0V>
R769
10K
R784
R786
150K
150K <0V>
Q776
: -B line
Q774
10K
1K
R782 39
<-16.4V>
Q781
C5
<0.01V>
R768
C773
0.1
R775 330
<-16.5V>
D774
Q775
<-0.01V>
<-0.01V>
<-16.22V>
1K
Q773
: Main signal line
RL603
1
3
2
4
5
6
D613
RVD1SS133TA
RL604
3
1 2
4
5
6
D614
RVD1SS133TA
RL601
3
1 2
4
5
6
D611
RVD1SS133TA
RL602
3
1
4
2 5
6
D612
RVD1SS133TA
Q775
RVTDTA114EST
FAN MOTOR DRIVE
C775 16V10
16V220
D768
D773
<0V>
<-0.01V>
R767 150K
D769
C777
<0V>
10K
10K
<0.01V>
<-0.02V>
C781
0.01
<-12.13V>
47K
R766
<-0.65V>
C776 50V1
R776
22
SL5
SR5
R618
390
R619
R616
390
R6
390
R617
390
R797
L6
Q772,776,781
2SC1740SSTA
FAN MOTOR DRIVE Q780
2SA933SQRSTA
FAN MOTOR DRIVE
Q773
2SB621AQSTA
FAN MOTOR DRIVE
Q780
D773 MTZJ8R2CTA D768 MTZJ3R3ATA
22K
R795
22K
R791
R798
R799
R6
12K
22K
6.8K
L6
R794
12K
R792
R793
j i
h
g
f
e
c t
12K
12K
R730
5.6
C690
0.01
C701
0.01
JK603
1
+
2
-
R CH
3
+
4
-
L CH
JK602
­+
L CH
­+
R CH
FRONT SPEAKERS
+
L CH
­+
R CH
­+
CENTER SPEAKER
­JK601
E601
W752
BACKUP5.6V
3
RELAY
2 1
W701
1 2 3 4
5 6 7 8
9
10 11 12
CP771
E
1
1
-B
2
2
SURROUND SPEAKERS
M
M771
FAN MOTOR
TO
CIRCUIT
POWER (CN752) ON SCHEMATIC
DIAGRAM-11
TO TRANSFORMER
CIRCUIT (W701) ON SCHEMATIC DIAGRAM-11
TO
MAIN CIRCUIT
(CN901) ON
SCHEMATIC DIAGRAM-2
SCHEMATIC DIAGRAM-5
PANEL CIRCUIT
CP901
HP_GND
HP_L
HP_R FL_AC1 FL_AC2
LIMITTER AF_MUTE
N.C
RELAY
1 2 3 4 5
VP
6 7 8 9
10
R993
100K
R943
1K
C920 50V1
A B
C
r
I i
R922
Q901
RVTDTC114YST
RESET CONTROL
D E F
D901
1SS291TA
RVD1SS133TA
C993 100P
C994 100P
100K
R994
R917
10K
C891
16V10
C916 50V1
Y g
f e
W X V
S a
d c
D921
: +B Line : -B Line : Main Signal Line
E
<-23.57V>
DEG7
DEG6
RDS_CK
RESET
<0V>
R901
1K
2
F G
<-23.57V>
<-23.56V>
DEG5
RDS_DT
<0V>
<0V>
1
FL901
RSL0254-F
FL DISPLAY
H
I J
<-23.56V>
<-23.55V>
<-23.58V>
DEG2
DEG4
DEG3
GND
XIN
XOUT
<4.22V>
<4.99V>
C902
0.1
C901
6.3V1000 C904
6.3V1000
A B C D E F
K L M N O P
<-14.96V>
<-23.61V>
<-14.95V>
SEG1
DEG1
SEG3
SEG2
VDD
SFC1
LED_CK
LED_DATA
<0.02V>
<0.02V>
<4.93V>
<5.02V>
<-23.59V>
<-12.06V>
SEG4
SEL2
SFC2
<5.02V>
<5.02V>
Q R
<-23.58V>
<-23.57V>
<-17.8V>
SEG8
SEG9
SEG7
SEG6
SEG5
SEG10
SEG11
SEG12 SEG13 SEG14 SEG15
SEG16
AF_MUTE
SP_A
SP_B
S/C_SP
VEE
6CH_ST
LOUDNESS
RLY
SEL1
HOLD
TV/VCR2
24
<0.03V>
<5.06V>
<5.02V>
R913
10K
Q902
2SA933SSTA
REGULATOR
G
<-14.94V>
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 2580
R930
R929
100
100
D903
MTZJ4R7BTA
C913
50V10
D923
RVD1SS133TA
<0V> <0V> <0V> <0V> <0V> <0V> <0V>
<4.93V>
<0V> <5.06V> <5.03V>
<5V>
<4.93V>
<5V>
<0V>
<4.91V>
Z891
3 2 1
C910
50V22
C912
50V22
C914
50V10
Q901
<0V>
<0V>
r
R910
1K
6416326236146055965875785695510541153125213511450154916481747184619452044214322422341
LIMITTER
TNR_
65
CE
SEL/
66
TNR_CK
SEL/TNR_DT
67 68
SEL_ST
MMD
69
SURR/OSD_CK
70
SURR/OSD_DT
71
SURR_CE
72
AVSS
73
VREF
74
SD
75 76
SUR1 HELP_LED/RDS_CE
77 78
SUR2 VIDEO_B
79
VIDEO_A
KEY1
<5.06V>
R909
47K
C905
0.01
<4.89V>
C903
0.01
b K J
<4.88V>
<5.11V>
IF_DATA
REC_MUTE
KEY2
THERM/OVLD
<0.54V>
<5.06V>
22K
R912
P
Q
<4.9V>
VOL_UP
KEY4
<5.06V>
O
R906
2.2K
6.3V100
R907
100K
R911 100K
<0V>
<0V>
VOL_DOWN
OVERLOAD2
<1.08V>
22K
R916
k
C906
FL901
54
53 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
R944 100K R945 100K
C
D
A
B
<-23.58V>
<0V>
<-23.51V>
<-23.57V>
DEG9
DEG8
DEG10
INIT_IN
IC901
IC901
M38B57M6140F
MICROCOMPUTER
WAKE
FMST
REMOTE
RDS_DI
<0V>
<0V>
<0V>
<4.89V>
<5.05V>
Z
CF901
3
R908
100K
H J
I
<-26.48V> <-26.47V> <-20.71V>
<-12.01V> <-14.92V> <-17.84V> <-23.61V> <-20.74V> <-15.45V> <-7.62V>
<4.77V>
<-6.17V> <-26.68V> <0V> <4.93V> <4.85V>
R920
270
C930 330P
C928 330P
C926 330P
C924 330P
C922 330P
<5.07V>
<4.35V>
D924
MTZJ3R9ATA
<5.06V>
C929 330P
C927 330P
C925 330P
C923 330P
C921 330P
Q902
R921 120
C908
0.01
C933 100P
L901
100uH
M
SP_A
N
SP_B
P
T
OV1
S/C
GND
VDD
TO MAIN CIRCUIT (CN902) ON SCHEMATIC DIAGRAM-2
V
W X Y
7651 2 43
8 8
9
10
CP902
TCE
SUR_DT
SUR_CE
SUR_CK
C932 100P
Z
1
FM_ST
a b c
3 42 5 6 7
SD
IF_DATA
VIDEO_A
TO MAIN CIRCUIT (CN903) ON
SCHEMATIC
DIAGRAM-2
d
VIDEO_B
e
SEL_ST
f
SDT
SCK
+14V
C955
100P
10g9
CP903
-14V
SCHEMATIC DIAGRAM-6
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 2 1
J K S k
e d c b a S T
U V
W
X
Y
Z
I M N
T
h
i
Q O
R946 10K
(INPUT SELECTOR)
(MODE SFC CONTROL)
: +B Line : -B Line : Main Signal Line
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG9
SEG8
SEG7
SEG10
SEG11
SEG12
SEG14
SEG15
SEG13
K L M N O PQR S T U V X Y ZW
IN
GND
1 2 3 4 5 6 7 8 9
<0V>
<0V>
R892
10K
R915
C997
16V10
COM1AB
C992 100P
COM AB
C996
100P
1
VR901
VR903
32
R992 100K
R991 100K
C991
100P
32
R996 100K
R995 100K
C995
100P
C998
C895
R893 10K
R948
10K
R986
G
IN
<0V>
0.01
R998
100P
C935
330P
S948
TAPE S976
DVD 6CH
R891
10K
100
IC501
NC
<0V>
D937
R937
<4.97V>
VDD
VSS
1
<0V>
C894
100P
R894
10K
VCC
GND
<0V>
<5.58V>
6.3V100
D935
SLR325VCT31
SLR325VCT31
D936
SLR325VCT31
270
R935
270
R936
<4.94V>
<4.95V>
<4.95V>
1316 15 14
Q10
Q11
IC903
CLKQ2Q1
DATA
<0.02V>
<0.02V>
R942
100
R997
D942
R949
10K
R950
1K
R951
1.2K
R955
3.3K
B AC
SEG16
abcde
OUT
<1.5V>
R508
2.2
C503
D933
SLR325VCT31
D93
SLR325VCT31
270
R933
270
R934
<4.96V>
Q9
Q8
IC903
BU2090A
I/O EXPANDER
Q0
52 3 4 6 798
<4.86V>
<4.94V>
180
SLR325MCT31
S950
FM MODE
S951
BAND
S955
MEMORY
POW GND
<0V>
<0.5V>
D932
SLR325VCT31
270
270
R932
<4.94V>
<0.36V>
101112
Q7
<4.97V>
<0.35V>
B CA
OUT
C506
C505
C504
6.3V100
D931
SLR325VCT31
270
R931
<4.94V>
Q6
Q5
Q3
Q4
<4.99V>
D
A B
C
IC501
BA6218
MOTOR DRIVER
0.1
0.1
R546
22K
R1682
27
n o p q U
I
R544
1K
C536
0.1
R543
1K
R168327R168527R1687
R1681
27
R1684
C909
50V22
C911
50V22
Q505,Q506
2SD1915FTA
MUTING SWITCH
Q506
<-15.43V>
<0V>
Q505
<-15.42V>
Q1681,Q1682
2SD1915FTA
MUTING SWITCH
Q1681
R1695
R1699
1K
3.3K <-15.46V>
Q1682
R1696
C1685
0.01
1K
<-15.47V>
R1686
27
27
27
<0V>
<0V>
<0V>
<0V>
R1688
27
<0V>
<0V>
R533
47K
<0V>
R1689
27
R1691
27
R1693
27
R1694
27
R1692
27
R1690
27
R534
47K
O
k
6CH_ST
REC_MUTE
h
qp
312
54
N.C
GND
SR_OUT
SUB_OUT
TO
MAIN CIRCUIT
(CN904) ON SCHEMATIC DIAGRAM-1
o n
76 9 108
SR_IN
SUB_IN
I
L_OUT
U
CP904
R_OUT
SCHEMATIC DIAGRAM-7
IC551,IC552
UPC4570C
TONE CONTROL
B C
R526
C530
0.027
R532
3.3K
VR512-1
(TREBLE)
R525
2.2K C527
5600P VR512-2
(TREBLE)
C529
0.027
C
LS_OUT
C522
50V4.7
C528
5600P
R528
820
C521
50V4.7
B
C_OUT
+5.6V
F G H
I
R531
R519
I
7652 43 8
LS_IN
CP905
R522
22K
R524
R521
R523
3.9K
22K
VR511-1
VR511-2
C534
16V10
(BASS)
(BASS)
1
GND
JUMPER
C524
0.012
C526
0.068
C533
16V10
C523
0.012
C525
0.068
R527
820
F
R_IN
G
L_IN
R520
C531
0.01
R530
27K
R529
27K
H
C_IN
C520
50V4.7
R518
1.8K
<14.3V>
1827364
<0V>
C517 33P
R515 470K
C519
50V4.7
R516 470K
C518
33P
<0V>
IC511
<0.03V>
C515
220P
C532
0.01
1
2
KEY2
KEY1
C568
0.01
C567
0.01
C516 220P
<0.03V>
<0.03V>
KEY4
R514 470K
<0.03V>
5
R513 470K
<-16.6V>
IC511
UPC4570C
TONE CONTROL
A B
4 5 73 6
OFF
5.6V
R566
10K
C566
220P
<0.01V>
<0.1V>
21 3
IC552
<14.3V>
<0.16V>
C565
220P
R565 22K
R502
C512
50V3.3
C514
15P
(BALANCE CONTROL)
C513
15P
470
D
C
8
3ST
SFC
SURR
R568
680
C564 100P
VR502
CN354
<0.01V>
6
<0.01V>
R501
2.2K
R512
50V3.3
: -B Line: +B Line : Main Signal Line
(SW2)
C558
C557
4 3 2
1
7 6 5
4
3 2 1
0.01
0.01
CN355
SURR_A HELP
SURR_B
R562
C560
16V10
C559
16V10
C561
50V3.3
HP JACK HP JACK HP JACK HP JACK
1K
L501 1uH
TO OPERATION CIRCUIT
(W355) ON SCHEMATIC DIAGRAM-8
(SR2)
L502 1uH
CN501
4 3 2 1
R561
1K
C563 100P
470
C511R511
1 2 3 4
<0.01V>
<-16.6V>
4
578
R567
820
C562
50V3.3
R564
100K
R563
100K
CP501
G F E D C B A
R558
R556
820
22K
C554
C556
100P
220P
<0.17V>
<0.01V>
<0.01V>
1 2 3 4
IC551
8 7 6 5
<0.01V>
<0.01V>
<0.17V>
<14.3V>
C553
C555
100P
220P
R555
22K
S(L)
R506
10K
VR501-5
VR501-4
VR501-3
10K
10K
VR501-2
VR501-1
VR501
(MOTOR VOLUME)
M
-
R503
R509
HEADPHONE JACK CIRCUIT
<-16.6V>
R557
820
VR501-6
+
GND
L
R
(C2)
C552
R552
1K
50V3.3
R554
100K
R553
100K
C551
R551
1K
50V3.3
(S2)
R505
10K
C
R
L
R504
10K
SR
R510
SW
10K
HP601
TO MAIN CIRCUIT (CN905) ON
SCHEMATIC DIAGRAM-1
TO
OPERATION
CIRCUIT (W354) ON
SCHEMATIC DIAGRAM-8
SCHEMATIC DIAGRAM - 9
PRO-LOGIC CIRCUIT
: +B Line
: -B Line
: Main Signal Line
TAPE
VCR
CD
REC
(OUT)
PLAY
(IN)
TV/DSS
R O
P B
JK402 L CH
R CH
L CH
R CH
JK403 L CH
R CH
L CH
R CH
JK404 L CH
R CH
L CH
R CH
R1013
4.7
Q1001
2SC3940AQSTA
REGULATOR
R1003
0.1
C1011
<4.57V>
RT_IN
_
45
<4.55V>
<4.55V>
50V 1
50V 1
C1001
C1038 100P
C1008
C1013
C1012
C1014
<4.58V>
<4.58V>
<4.58V>
IC1001
IC1001
LV1035M
PRO LOGIC DECODER
y_in
_
42 41 40
43
44
<0.01V>
<4.59V>
<4.58V>
50V 0.47
16V 47
C1006
C1007
C1037 100P
C1010-C1013 16V10
C1032
0.1
C1010
<4.56V>
<4.54V>
C1031 0.1
C1030
50V 0.47
C1029
50V 4.7 50V 0.47
C1028
50V 4.7
C1027 C1026
50V 0.15
C1025
50V 3.3
C1024
0.15
C1023
0.15 50V 3.3
C1022 C1021
50V 0.15
C1020
50V 4.7
C1019
50V 0.47
50V 4.7
C1018
C1017
50V 0.47
C1016 0.1
R1002 1K
R1001 1K
R401
1K
R402
1K
R405
1K
R406
1K
R407
1K
R408
1K
R433
1K
R434
1K
R411
1K
R412
1K
R413
1K
R414
1K
a
b
c
d
e
f
g
h
i
j
k
l
2 3 1
5 6 4
2 3 1
5 6 4
2 3 1
5 6 4
1 2 3 4 5 6 7 8 9 10 11 12 13 14
<4.57V>
64
<4.56V>
63
<5.26V>
62
<4.56V>
61
<5.31V>
60
<2.88V>
59
<2.85V>
58
<2.86V>
57
<4.51V>
56
<4.51V>
55
<4.54V>
54
<5.29V>
53
<4.59V>
52
<5.29V>
51
<4.58V>
50
<4.58V>
49
48
46
47
<4.59V>
<4.58V>
C1015 0.1
C1002
R1063
16V 220
C1005
<9.13V>
<4.59V>
Vref
Vcc
C_OUT
A_GND
_
<4.62V>
<4.67V>
0.047
0.022
C1033
C1034
C1036 100P
3.3K
50V 1
<4.58V>
<4.59V>
S_OUT
Vdd(Digital)
39
38 37 36
<0V>
<0.1V>
680P
C1035
R1011 3.3K
R_OUT
CLK(DPL)
C1042
C1009
<4.59V>
<0V>
<4.59V>
L_OUT
AC_GND
OSC_IN
ENABL(DPL)
DATA(DPL)
<0V>
<4.94V>
R1010 3.3K
R1009 3.3K
2200P
16V 220
<4.59V>
L_IN
DATA
35
<0V>
<13.87V>
Q1001
<9.38V>
R1006 18K
<4.59V>
153416
R_IN
Vcc DET
IREF A_GND S_OUT
R_OUT
L_OUT
Vss
CLK
33
<0V>
<0.01V>
<4.59V>
S_IN
(Digital)
OSC_OUT
C1041
0.01
DELAY_OUT
<0.03V>
17
<9.13V>
18
<1.9V>
19
<0.68V>
20
<0.01V>
21
<4.59V>
22
<4.6V>
23
<4.59V>
24
<4.6V>
25
<4.57V>
26
<4.59V>
27
<4.59V>
28
<4.59V>
29
<5.22V>
30
<2.53V>
31
<2.35V>
32
X1001
R1012 1K
D1001 MTZJ10CTA
C1040
16V10
<10V>
C1039
16V220
C1045 0.1
C1043 50V2.2
R1005
C1052 50V0.33 C1055 50V0.47
R1053
1K
R1052 1M
GND
L1001
100uH
C1044
16V220
C1064 50V1
39K
C1053 50V3.3
C1004 50V3.3 C1003 50V3.3
C1056 0.082
C1057 3300P
C1058 0.082
C1059 16V220
R1061
C1065
R1062 27K
680P
1500P
C1068
C1067
R1064 220K
1500P
R1056
15K
R1008
R1007
47K
47K
SURR_CE
SURR_DT
SURR_CK
IC1004
TC9162AN
SIGNAL SELECTOR
M
C471
50V4.7
R
C472 C474
50V4.7
C473
0.01
0.01
<-14.92V>
R473
1K
R474
1K
<14.23V>
28
VDD
VSS
1
SCHEMATIC DIAGRAM - 10
: +B Line
: -B Line
: Main Signal Line
: Record Signal Line
: FM/AM signal line
M N
<0V>
S1 S2
2 3
<0.01V>
<0V>
2627
<0V>
G
O
<0V>
<0.01V>
H
C401
50V 3.3
<0.01V>
S3 S4
<0.01V>
P
<0V>
<0V>
I
R
Q
<0.01V>
754 6
<0.01V>
J
C403
0.01
R423
1K
<0V>
<0V>
S T
R476
10K
10K
10K
R477
j
<0V>
R478
<0V>
<0V>
f
<0V>
<0.01V>
<0.01V>
<0V>
202122232425 19
18
S5
S6 S7
8 109
<0.01V>
AABBC
<14.23V>
28 27 26 25 24 23 22 21 20 19 18 17 16 15
+VDD DATA CLK
11
<0V>
<0.01V>
K
L
<0V>
<0V>
<-0.02V>
S1 S2 S3 S4 S5 S6 S7 S8
<0V>
<0V>
17 16 15
DATA
IC1004
STB
1312
<0V>
<0V>
C475 100P
d
h
<0V>
<0V>
<0V>
CLK
GND
14
<0V>
l
<0V>
<0V>
<0V>
IC401
R425
10K
<0V>
R426
10K
I D C
K
S
SURR_CK SURR_DT SURR_CE
1 2 3 4 5 6 7
1
2 3 4 5 6 7
CN1203
CN1204
SR_EXT TU_LOUT
TU_ROUT
L_OUT
6CH_STB R_OUT
TNK_CK SURR_CK SURR_DT
SURR_CE TNK_DT SEL_ST
TO MAIN CIRCUIT (CP1203) ON SCHEMATIC DIAGRAM-1
TO MAIN CIRCUIT (CP1204) ON SCHEMATIC DIAGRAM-2
IC401
TC9163AN
SELECTOR IC
R415
1K
C410
25V22
C409
25V22
R416
1K
C411 100P
C412
100P
C402
50V 3.3
R421 100K
R422 100K
C431 16V10
R417
47K
R418
47K
C432
16V10
C404
-VSS STB GND
0.01 1 2 3 4 5 6 7 8 9 10 11 12 13 14
<0V>
<-14.94V>
R424
1K
F
<0.01V>
<-14.89V>
4 3 2
IC403
5 6 7
<0.01V>
<0.01V>
IC403
UPC4570C
TONE CONTROL
E
<0.01V>
<0.01V>
<0V>
D
<0.01V>
1
8
<14.24V>
<-0.25V>
abc
C413
16V10
C414
16V10
<-0.01V>
<-0.14V>
g
R419 100K
R420 100K
<0V>
k
C416
0.01
C415
0.01
IC1151
UPC4570C
TONE CONTROL
<0V>
i
C1157
C1156
R1151
47K
0.01
0.01
R1152
47K
<-0.01V>
<-0.01V>
C1151
50V1
<-14.91V>
<-0.01V>
e
4 2381
IC1151
5 76
<-0.01V>
<0V>
<0.01V>
C1152
0.068
R1156
39K
C1153
0.027
<0V>
<0V>
R1154
33K
<0V>
<0.01V>
C405 100P
10K
R427
C1161
100P
<0V>
<14.24V>
<0V>
C1159
50V1
R1155
39K
R1158
100K
R1160
100K C1154
50V4.7
CN1201
G
N
E
L T
F P
O H Q J
SL_EXT
1
C_EXT
2
AGND
3
PH_L
4
PH_R
5
L_EXT
6
R_EXT
7
CN1202
+14
1
-14
2
SW_EXT
3
SURR_COUT
4
SURR_SLOUT
5
SW_OUT
6
SURR_SROUT
7
TO MAIN CIRCUIT (CP1201) ON SCHEMATIC DIAGRAM-1
TO MAIN CIRCUIT (CP1202) ON SCHEMATIC DIAGRAM-1
SCHEMATIC DIAGRAM-8
AC-3 CIRCUIT
JK353
TV
DVD
VCR1 OUT
TV MONITOR OUT
JK351
VCR1 IN
JK352
JK354
DVD 6CH
SW
L
R
L
R
RS
LS
L
L
R
R
L
C
R
R493
1K
R492
1K
R409
1K
R410
1K
R491
1K
R494
R302
R301
C329
R303
1K
75
75
47P
C375
16V47
R375
C374
10K
16V47
R374
10K
R362
75
R359
75
C330 47P
C373
16V47
R486
1K
R481
39K
R480
39K
R373
10K
R485 100K
R479
39K
75
C483 330P
A
B
C
D
E
C482
50V3.3
R346
10K
R342 100K
D E
A B C
100K
R382 100K
R345
10K
R341
10K
<0V>
<0V>
<-5.03V>
-V
IN3
1142 3 4 5 6 7
<0V>
D353
RVD1SS133TA
D354
RVD1SS133TA
C391
50V3.3
C392
50V3.3
C384
50V3.3
C383
50V3.3
R347
R348
100K
100K
R343
R344
100K
100K
C381
50V3.3
C382
50V3.3
111213 10 8
C3 IN1 C4 O1
IN2
C1
<0V>
<4.58V>
<0V>
R383R381 100K
R384 100K
<0.01V>
14 111213 8910
1 432 765
<0.01V>
: +B Line
<0V>
<0.01V>
<4.08V>
9
NC +V
IC351
GND2O2C2
<-0.02V>
<-0.01V>
IC351
NJM2279D
VIDEO SELECTOR
<0.01V>
<-0.01V>
5 6
IC353
VEE
4 3 2 1
<-0.01V>
<-14.94V>
<0V>
<-14.95V>
<0.01V>
VSS
IC352
VCC
<0.01V>
<0.01V>
<14.24V>
GND1
<-0.01V>
<0.01V>
<0.01V>
<4.94V>
<0.01V>
7 8
<0.01V>
<0.01V>
<0.01V>
: -B Line
Q351
2SD592AQSTA
REGULATOR
C354
0.1
C355
0.1
Q352
2SB621AQSTA
REGULATOR
<14.24V>
VCC
IC353
UPC4570C
TONE CONTROL
<0.01V>
C385
50V3.3
C386
50V3.3
<0.01V>
C388
50V3.3
<0.01V>
C387
50V3.3
<-0.87V>
C309
6.3V100
MTZJ5R6BTA
MTZJ5R6BTA
C308
6.3V100 <-5.61V>
<-5.06V> <-15.79V>
R367
1K
R368
1K
C393
50V3.3
C394
50V3.3
R350 100K
R352 100K
IC352
NJM2060D
6CH INPUT IC
Q351
<-0.18V>
D351
6.3V100
D352
6.3V100
Q352
R385 100K
R386 100K
R349 100K 50V4.7
R351 100K
50V4.7
<0V>
C351
C352
C312
C311
C357
0.01
C358
0.01
R372
R371
R369
R370
1.8K
22
1.8K
22
CN401
GND
1
SWI
2 3 4 5 6 7
7 6 5 4 3 2
1
GND V_B V_A SW_EXT SR_EXT
CN402
AGN +14V
-14V R_E L_E C_EXT SL_EXT
TO MAIN CIRCUIT (CP401) ON SCHEMATIC DIAGRAM-1
TO MAIN CIRCUIT (CP402) ON SCHEMATIC DIAGRAM-1
TO PANEL CIRCUIT (CN354) ON SCHEMATIC DIAGRAM-7
TO PANEL CIRCUIT (CN355) ON SCHEMATIC DIAGRAM-7
W354 KEY2 KEY1
KEY4
5.6V
SURR
W355
SURR_B
HELP
SURR_A
OFF
3ST
SFC
OPERATION CIRCUIT
1 2 3 4
5 6 7 8
1 2 3 4 5 6 7
D938~D941 SLR325VCT31
R941
270
R940
270
D941
R939
270
D940
R938
270
D939
D938
R952
1.5K
R953
1.8K
R954
2.2K
R956
4.7K
R957
6.8K
R958 12K
S946
POWER
S952
TUNING DOWN
S953
TUNING UP
S956
TAPE MODE
S958
CD MODE
R980
R981
1.2K
R982
1.5K
R983
1.8K
R984
2.2K
R985
3.3K
VR902
(DOLBY PRO LOGIC)
ABCOM
S980
HELP
1K
S985
SP_B
S986
SP_A
321
TO MAIN CIRCUIT (W752) ON SCHEMATIC DIAGRAM-4
TO MAIN CIRCUIT (W701) ON
SCHEMATIC DIAGRAM-4
W701
SCHEMATIC DIAGRAM-11
: +B line
POWER CIRCUIT
<6.65V>
C753
T701
RTP1P5C029-V
CT
FOR PC ONLY
R757
22
D753
16V1000
C752
0.01
D752
0
120
D754
D751
T751
RTP1H5C005
2
1
CN751
1 2 3
RL751 RSY0040M-0 ... P RSY0054-C ... PC
3
4
3
D755
RVD1SS133TA
1
4
2
Q751
<4.84V>
W1
Z751
R751
3.3M
<0.09V>
4.7K 47K
<-0.01V>
C751 1000P
F1
125V 8A
FC702
FC701
W2
W3
CN752
3
2 1
Q752
2SC3940AQSTA
REGULATOR
125V 8A 1 2 3 4 5 6 7 8 9
10 11 12
F4
FC708
F3 125V 8A
FC706
FC707
FC705
C757
<6V>
16V10
Q752
<6.65V>
MTZJ6R8BTA
<9.51V>
D756
L1
L2
H1 H2
CT
<6.65V>
C754
0.01 <9.51V>
Q753
C755 16V47
D751-754
1SR35400TB
Q753
2SK2880CTA
REGULATOR
Q751
RVTDTC143ZST
RELAY DRIVE
TRANSFORMER CIRCUIT
W1
W3
W2
JK792
AC OUT 120V ( 60Hz )
L N
JK791
AC IN 120V ( 60Hz )
AC IN/OUT CIRCUIT
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