Panasonic SAAK33 - MINI HES W/CD User manual

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Service Manual
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ORDERNO.MD0011177C1
A6
CDStereoSystem
lSA-AK33
Chassis
Colour
(S)...SilverType
Area
(P)...U.S.A.
(PC)...Canada
TAPESECTION :
SG2MECHANISM SERIES
CDSECTION :
RAE0152Z-3 TRAVERSEDECKSERIES
Specifications
AMPLIFIERSECTION
Poweroutput
THD 10%Totalharmonicdistortion
(HIGH)35-40Wperchannel (6 )
(LOW)85-90Wperchannel (6 )
(TOTAL)120-130 Wperchannel
Inputsensitivity
AUX250 mV
InputImpedance
AUX13k
FM TUNERSECTION
Frequencyrange87.9-107.9MHz(200kHzsteps)
87.5-108.0MHz(100kHzsteps)
Sensitivity2.5μV(IHF)
S/N26 dB2.2μV
Antennaterminal(s)75 (unbalanced)
AM TUNERSECTION
Frequencyrange520-1710kHz(10kHzsteps)
Sensitivity
S/N20 dB(at 1000kHz)560μV/m
CASSETTEDECKSECTION
Tracksystem4track,2channel
Heads
Record/playbackSolidpermalloyhead
ErasureDoublegapferrite head
MotorDCservo motor
Recording systemACbias100 kHz
Erasing systemACerase100 kHz
Tapespeed4.8cm/s
Frequencyresponse(+3 dB,-6dB at DECKOUT)
NORMAL(TYPEI)35Hz-14 kHz
HIGH (TYPEII)35Hz-14 kHz
S/N50dB (Aweighted)
Wowand flutter0.18% (WRMS)
Fastforwardand rewind timeApprox.120 secondswith

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9.1Self-diagnosticdisplay
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Thisunit isequippedwith aself-diagnosticdisplayfunction which, ifaproblemoccurs, will display
anerrorcodecorrespondingtotheproblem.
Usethisfunction whenperformingmaintenanceon theunit.
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9.2Howtoenterthe Self-DiagnosticFunction
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9.3CassetteMechanism Test(Forerrorcode
H01,H02,H03,F01,F02)
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1.Press“TAPE,DECK1/2”toselectDeck 2.
2.Loadacassettetapewiththeerasureprevention tab,removefromleftsideonlyand closethe
cassetteholder.
3.Press“FASTFORWARDMEMORY”(Tapewill bestop after2seconds)
4.Loadacassettetapewiththeerasureprevention tab,removefromrightsideonlyand closethe
cassetteholder.
5.Press“REVERSEFMMODE/BP”(Tapewill bestop after2seconds)
6.Loadapre-recordedtapewithbothsiderecordtabsintactand closethecassetteholder.
7.Press“PLAY/TUNE/TIMEADJUP”(AfterTPSfunction,tapewillstop automatically)
8.Press“REC/STOP”(Tapewill notmove)
9.Press“STOP/TUNEMODE”toindicateErrorcode.
¡Ifseveralproblemexist,errorcodewillchangeeachtimewhen“/TUNEMODE”is
pressed.
(e.g. H01 H03 F01 .....etc.)
10.Press“TAPE,DECK1/2”toselectDeck 1.
11.Repeatstep2to9 totestDeck1.(TapeDeck1will notcheck H02 becauseofno recording
function)
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9.4CD Mechanism Test(F15,F26,F16,F17,
F27,F28,F29,H15)
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1.Press“CD”.
2.Press“OPEN/CLOSE(1)”and placeaCD.
3.Press“OPEN/CLOSE(1)”toclosethetray.
4.Press“OPEN/CLOSE(5)”and waituntil thetrayisopen.
5.Press“OPEN/CLOSE(1)”and removetheCD.
6.Press“OPEN/CLOSE(1)”toclosethetray.
7.Press“/TUNEMODE”toindicateErrorCode.
¡Ifseveralproblemexist,errorcodewillchangeeachtimewhen “/TUNEMODE”is
pressed. (e.g. F15 F26 F16 ....etc).
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9.5Toclearall Errorcode
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1.Press“STOP/TUNEMODE”button for5seconds.
2.FLindicatorshows“CLEAR”for1second and changeto“T”.
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9.6Howtogetout from Self-Diagnostic
function
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1.Press“Power”button OFF.
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9.7PowerAmplifierFailure(F61)
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1.Whenpoweramplifierfail,F61 willindicateautomatically.
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10.1ErrordetectionforCassette Mechanism
block
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No. ErrorErrorDisplay Problemcondition
1MODESWdetection errorH01 Faultyoperation of cassette mechanism.Faultycontact or short-circuit ofmechanismmodeswitch(S951,
S971).
2RECINHSWdetection
error
H02 Recording notpossible.Faultycontactor short-circuit ofRECINH switch(S974,S975).
3HALFSWdetectionerror H03 Playbackcannotperform.Faultycontactorshort-circuit ofHALFsiwtch(S952,S972).
4ReelPulsedetection errorF01 Thetapeadvancesslightlyandthenstops.Faultyreel pulse,faultyholedetectIC (IC951,IC971).
5TPSabnormal F02 Cassette deckwillnotperformTPSfunction.FaultyplaybackEQ/recording amplifierIC(IC101).
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10.2ErrordetectionforCD/Changerblock
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No.ErrorErrorDisplayProblemcondition
1RESTSWdetection errorF15 CDdoesnotfunction.Thiserror occurswhentheOptical PickUpRESTSW
(S701) isnot
detectedwithinthespecifiedtime(about8seconds)
2CDtrayopensautomaticallyF16 CLAMP switch(S4)NG(Check&Replace)
3Doesnotstartup when[PLAY]buttonispressedF17 BOTTOM switch(S5) NG (Check&Replace)
4Transmissionerror betweenCDservoLSIandmicon F26 CDdoesnotfunction.Thiserror occurswhenthePOWERisON for theCDblock
andanerror is
detectedafterthetransmissionhasstarted.
5StartupfailsevenwhenyouinsertCDor theselected
disctray
doesnotopen
F27 Tray1detect switchor Tray2detect switchNG (Check&Replace)
6CannotinsertCDF28 Tray1detect switchNG (Check&Replace)
7CannotejectCDF29 Checkifdiscisstuck. Tray2detect switchNG (Confirm&Replace)
8TheCDtrayclosesH15 CDdisctraydetectswitchNG (S3)(Check&Replace)
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10.3PowerSupply relatederrordetection
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No.ErrorErrorDisplayProblemcondition
1POWERAMPoutput
abnormal
F61 WhenPOWERisswitchedon,powerbecomeoffautomatically.During normal operation,ifDCDET
becomeL,PCNTshall become
Landtheerror displayon theleftshall bedisplayed. (IC501)
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11.1HowtosetCDtestmode
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11.2CD AutomaticallyAdjustmentresult
indication
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UnderCDtestmode, pressingthenumerickey‘0’on theremotecontrollerwill displaytheauto
adjustmentresult.FLOCK,TLOCKand CLVSstatusshall beshownasbelow:
Duringtheabovedisplay,executingCD PLAY will displayautoadjustment result forCDPLAY
mode.
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19 TroubleshootingGuide
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30
29 22 28272625
7 6 5 4 3 2 1
23 24
2120
1915 16 17 18
14 13 12 11 10 9 8
IC703
IC703
AN8739SBE2
FOCUS COIL/
TRACKING COIL/
TRAVERSE MOTOR/
SPINDLE MOTOR DRIVE
R729
3.9K R728
3.9K
R727
3.9K R749 4.7K
R723
6.8K R731
6.8K
R725
390
R715
1K
R724
18K
R735
100
R736
100
R701
4.7
R704
1K
R744
120K
R705
150K
R702
10K
R706
1K
R707
39K
R708
22K
C752
1000P C739
1500P
C715
2700P
C704
0.1
C742
0.027
C747
180P C710
120P
C749
2200P
C713
0.1
C707
0.027
C702 0.1
C706 2700P
C712
0.1
C711
0.1
C751
0.1
C750
0.1
C736
0.1
C737
0.1
C735
0.1
C
C
C
C
C
C738
0.01
C703
6.3V100
C701
6.3V33
C714
6.3V100
C734
10V220
M
M701
M
M702
1
3
5
7
9
8
6
4
2
10
11
12
13
14
15
16
CN701
1
3
5
7
9
8
6
4
2
10
11
12
13
14
15
16
Q701
Q701
2SA1037AKSTX
LASER POWER DRIVE
15
21 20 19 18 17 16
24 23 2228 27 26 25
14
1312
11
10
9
8
7
6
5
4
3
2
1
IC701
IC701
AN8885SBE1
SERVO AMP
8
1
2
3
45
6
7
VCC NC
38 37
35
36
33
29 30
GND
TEN
FEN
FEOUT
FBAL
TBAL
TEOUT
CEA
RF
LPD
LD
RFIN
PDF
PDE
PDB
PDA
VREF
ENV
OFTR
/RFDET GND
LDON
BDO
VCC
SP MOTOR
TRV MOTOR
NC
RSTIN
IN3 IN4
VREF
NC
/RST
GND
GND
PVCC2
PGND2
D4+
D4-
D3+
D3-
PGND1 PVCC1
NC D2+ D2- D1+ D1-
IN1
NC PC2
NC
IN2
GND
CSBRT
LASER DIODE
11
12
10
6
8
5
4
9
2
3
GND
VCC
AIN
BIN
VREF
NAOUT
GND
NBOUT
F+
F-
T+
T-
LPD
VREF
NA
NB
GND
LD GND
LD
PDE
PDF
VCC
NC
PDOWN
NC
NC
NC
28
3.3V((3V))
3.3V((3V)) 3.3V((3.5V)) 3.3V
7.3V
7.3V
7.3V 1.6V
1.6V
1.6V
3.3V((3.5V))
3.3V
3.7V((3.5V)) 3.7V((4.1V))
1.6V 1.6V
3.2V((0V))
1.6V 1.6V
3.2V
2.7V
((2.3V))
0.9V
((2V))
R750
4.7
SCHEMATIC DIAGRAM -1
CD SERVO CIRCUIT
OPTICAL PICKUP CIRCUIT
: CD SIGNAL LINE
1.6V
1.6V 1.6V
1.6V
3.2V
0V((0.2V))
2.7V((2.3V))
0.9V((1.4V))
0.7V
1.9V
1.6V
0V
0V((3.1V))
1.6V
1.6V
1.6V
1.6V 1.6V
1.6V 1.6V
1.6V
0V
0V((3.2V))
: +B SIGNAL LINE : +B SIGNAL LINE

40
41
42
43
39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
20
19
18
44 17
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
80
1
IC702
MN662790RSC
R714
0
R717
1K
R709
47K
R711
82K
R721
100
R718
1K
R712
220
R741
47K
R742
220K
R753
10
C722
10P C721
10P
C724
0.1
C744
5600P
C726
1000P
C725
1000P
C730
0.1
C754
470P
C733
0.1
C718
0.22
C716
820P
C745
1000P
C717
0.1
C753
470P
C743
0.1
C727
50V1
C728
50V1
C731
6.3V220
C723
10V220
C732
6.3V220
S701
X701
1
3
5
7
9
8
6
4
2
10
11
12
13
14
15
16
17
18
19
CN702
SPEED
RESY
SSEL
BYTCK
DEMPH
IN
DVSS1
DVDD1
VDD
AVSS2
AVDD2
OUT
/CLDCK
FCLK
IPFLAG
FLAG
CLVS
CRC
/TEST
AVDD1
AVSS1
RSEL
PSEL MSEL
BCLK
LRCK
SRDATA
TX
MCLK
MDATA
MLD
SENSE
/FLOCK
/TLOCK
BLKCK
SQCK
SUBQ
DMUTE
STAT
/RST
SMCK
TVD PC ECM ECS TRD FOD VREF FBAL TBAL FE TE RFENV VDET OFT TRCRS /RFDET BDO
LDON
WVEL
ARF
IREF
DRF
DSLF
PLLF
EFM
PCK
SUBC
SBCK
VSS
X1
X2
OUTR
OUTL
15
16
21
20
22
23
REST SW
PLLF2
VCOF
VCOF2
IOSEL
IOVDD
CSEL
11
10
9
DSLF2
REST SW
1
KICK TRV
/RST
3
STAT
4
SUBQ
6
SQCK
7
BLKCK
8
MLD
MDATA
MCLK
P.GND
+7.5V
17
TX
LD SW
D.GND
+3.3V
Rch OUT
A.GND
Lch OUT
19
RSXZ16M9M01T
0V((3.2V)) 0V((3.2V))
0V
0V
1.6V 1.6V
1.6V
1.6V
1.6V
1.6V
1.6V
1.6V 1.6V
1.6V
1.6V
3.2V((0V))
3.2V
1.6V
3.2V
0.5V
3.2V
0V
0V((0.2V))
3.2V((3.1V))
0V((3.1V))
3.1V
3.2V
3.2V 2.9V 1.5V 1.5V
2.9V
3.2V
3.2V
3.2V
1.5V
1.5V
3.2V
0.5V
1.6V
1.6V
1V
1.6V
1.5V
SERVO PROCESSOR
DIGITAL SIGNAL PROCESSOR/
DIGITAL FILTER/
D/A CONVERTER
TJ702
18
SCHEMATIC DIAGRAM - 2 : CD SIGNAL LINE
TO
PANEL
CIRCUIT
(CP606) ON
SCHEMATIC
DIAGRAM-8
: +B SIGNAL LINE : +B SIGNAL LINE

C1036
0.033
C1015
1000P
C1012
1000P
C1022
1000P
C1023
1000P
C1021
470P C1027
1000P
C1019
1000P
C1020
470P
C1032
0.018
C1033
0.018
C1038
220P
C1011
0.047
C1007
4700P
C1013
1000P
C1014
1000P
C1016
2200P C1017
2200P
C1003
1500P C1018
0.01
C1039
220P
C1001
0.01
R1055
2.2K
R1007
4.7
R1011
10K
R1008
22K
R1013
4.7K
R1012
4.7K
R1003
10K R1006
1K
R1014
4.7K
R1004
1.5K
R1001
1
R1005
4.7K
R1026
1K
R1024
56K
R1027
100K
R1020
47
R1037
100K
R1036
47
R1095
100K
R1098
47K
1
2
4
5
3
1
2
4
5
3
C1046
10V220
C1010
25V100
C1008
50V1
C1009
10V47
C1026
6.3V47
C1006
50V1
Q1001
Q1001
KTC3875GRTA
SWITCHING
(BEAT PROOF)
Q1005
Q1004
Q1007
Q1003
Q1011
Q1010
Q1009
53 421
IC1004
BA7755A
R/P SELECT
Q1006
KRC114STA
BIAS OCS CONTROL
(METAL/CRO2)
D1003
1SS355TE17
D1004
UDZTE173R6B
1 2 4 6 8 9753 CP1002
1
2
4
5
3
CS1001
1
2
4
5
3
CS1002
C1035
50V3.3
C1037
50V3.3
C1045
10V22
C1043
50V4.7
C1042
16V22
C1040
16V10
C1041
16V10
C1034
50V3.3
C1044
10V33
C1031
10V100 C1030
10V100
R1030
100
R1018
3.9K
R1019
3.9K
R1015
47
R1029
4.7M
R1038
4.7K
R1035
10K
R1031
27K
R1010
18K
R1009
18K
R1016
47
R1032
10K
R1017
8.2K
R1022
10K
R1090
330
R1028
8.2K
R1039
15K
PR
R
R
P
P
A/B
LOGIC
ALC
REC/PB
LOGIC NOR/Cro &
HI/LO
LOGIC REJECTION
RIPPLE
13
10
14
-
+
-
+
PB AMP (R)
PB AMP (L)
B
A
54321 6 7 8 9 11 12
1516
1718
19
2021
22
2324
IC1001
C1002
50V2.2
L1002
L1001
PL2
PHOTO2
ADIN7
PHOTO1
D2_CRO2
BP1
L
P.B
HEAD
R
L
R4
E HEAD
-69.5dB
-69.5dB
CrO2
VCC
H=OFF
REC H
11
12
5
R/P
HEAD
Q1003
2SD2144STA
SWITCHING
(REC;ON)
Q1004-Q1005
2SD2144STA
BIAS OSC
(PLAY;ON)
Q1008-Q1011
KTC3875GRTA
INTERFACE
Q1008
1
2
3
6
5
4
Q1007
KTC3875GRTA
BIAS OSC CONTROL
R1086
2.2K
TO
DECK
CIRCUIT
(CP1001) ON
SCHEMATIC
DIAGRAM-10
TO
DECK
CIRCUIT
(CP1002) ON
SCHEMATIC
DIAGRAM-9
TO
MECHANISM CIRCUIT
(CP1002) ON
SCHEMATIC
DIAGRAM-9
CS951
CS971
7653
421
1
2
4
6
8
9
7
5
3
HALF
RECINH_R
MODE
RECINH_F
AD_OUT
VREF_GND
STBY_5V
R952
820
R953
39K
D951
MA165TA
1
2
4
6
8
9
7
5
3
S951
S952
S953
PL
MODE
PL
GND
HALF
PHOTO_S
STBY_5V
VREF_GND
PHOTO_T
D1_CRO2
Z971
RLQB470JTD-D
7L1A62N
RGSD12A1445T
IC951
ON2180RLC1
PHOTO INTERRUPTER
IC971
ON2180RLC1
PHOTO INTERRUPTER
0V
<<22.9V>>
0V
<<0.2V>>
0V
<<0V>>
0V
<<0.7V>>
0V
<<0V>>
0V
<<0V>>
14.2V
<<13.9V>>
0V
<<0.6V>>
0V
<<0.4V>>
0V
<<0.6V>>
14.2V
<<14V>>
0V
<<0.7V>>
0V
<<0V>>
0V
<<0.6V>>
0V
<<4.8V>>
0V
<<0V>>
0V
<<0V>>
0.6V
0.6V 0.5V
0.1V
0.2V
0.7V
0.1V
0.2V
3
S972
S974
S971
S975
S973
D971
MA165TA
PL
HALF
RECINH_R
MODE
RECINH_F
CRO2
SCHEMATIC DIAGRAM - 9
DECK CIRCUIT
: +B SIGNAL LINE
0V
<<0V>> 0V
<<0V>> 0.6V
<<0.6V>>
8.3V
<<8.2V>> 7.4V
<<7.3V>>
0.3V
<<10.2V>>
0V
<<0V>>
0V
<<9.4V>> 0V
<<0V>> 0V
<<0V>>
0V
<<0.1V>>
15V
<<14.8V>>
0V
<<1.3V>> 0V
<<1.3V>>
0.6V
<<0.6V>>
8.4V
<<8.2V>> 7.5V
<<7.4V>>
2.7V
<<2.7V>>
0V
<<0.1V>> 5.6V
<<9.5V>>
0V
<<3.4V>>
3.4V
<<3.3V>>
9.2V
<<9V>>
0V
<<0V>>
8.5V
<<11.3V>>
0V
<<1.3V>>
0V
<<0V>>
0V
<<4.9V>>
0V
<<0V>>
IC1001
AN7348STA-E1
P.B EQ/REC AMP/
ALC/TPS AMP
R973
39K
R972
820
: PLAYBACK SIGNAL LINE
: RECORD SIGNAL LINE
: -B SIGNAL LINE
MECHANISM CIRCUIT
(DECK 2) MECHANISM CIRCUIT
(DECK 1)

910 11 12 13 14 15 16
8 7 6 5 34 2 1
IC1002
IC1002
BU2090AF-E2
I/O EXPANDER
C1056
0.01
C1060
4700P
C1063
0.1
C1062
0.1
C1061
100P
C1059
100P
C1058
47P
C1065
0.01
R1058
2.7K
R1059
10K
R1072
330 R1074
82K
R1081
1K
R1083
8.2K
R1082
39K
R1073
6.8K
R1069
6.8K
R1071
10K
R1078
6.8K
R1070
10K
R1077
39K
R1067
15K
R1068
15K
R1040
56K
R1065
1K
R1066
1K
R1080
4.7K
R1079
4.7K
R1075
2.2K
R1076
2.2K
R1060
390 R1063
1K
R1064
1K
R1088
22K
R1089
22K
R1061
2.7
R1062
2.7
R1096
100K R1093
1K
R1094
1K
R1091
2.2K
R1092
2.2K
R1057
2.2K
R1097
47K
C1055
50V0.1
C1057
50V3.3
C1064
50V3.3
C1054
50V3.3
Q1024
2SD2144STA
TPS DRIVE
Q1017
KTD1146YTA
MOTOR DRIVE
Q1020 Q1020-Q1021
KTD1304TA
FILTER AMP
D1002
1SS355TE17
7653 421
Z1001
7653 421
Z1002
1 2 4 6 8 9753 CP1001
Q1018
KTA12710YTA
SELENOID DRIVE
(DECK 2)
Q1016
Q1022
KRA102STA
SWITCHING
(REC;ON)
CN1001
5 6 7 8
34 2 1
IC1003
IC1003
BA4558FE2
BUFFER AMP
12 W1002
1246810 9 7 5 3 H1001/W1001
VREF+
VREF-
VREF+ ADIN6
HALF MODE
PHOTO1
PHOTO2
VREF-
TPS
ADIN5
TPS
D1_CRO2 D2_CRO2
SW5V
BP1
PL2
PL1
PL1
MODE
HALF
VREF+
VREF-
D1_CRO2
2PL 1PL
2PL
1PL
DIG GND
MO+B
AFGND
PBOUTR
+B
RECINL
RECINR
MO GND
GND
HI SP
DOLBY
BP2
Data
CLK
TAPE
BP1
DMT
1H REC 1M 2PL 1PL VCC GND
CRO2
9V
PBOUTL
Q1021
Q1016
KRA102STA
SWITCHING DMT
Q1023
KRA102STA
MOTOR DRIVE
Q1019
1 2 4 6 8753
VREF+
ADIN7
ADIN6
ADIN5
VREF-
MKCLK
MKDATA
12
TO
MAIN CIRCUIT (CN304) ON
SCHEMATIC DIAGRAM-4
TO
PANEL
CIRCUIT
(H600) ON
SCHEMATIC
DIAGRAM-8
VREF+
C1051
50V1
R1085
47K
R1053
680
R1049
1M
Q1014
C1048
50V1
R1045
100K
Q1012 R1051
220
R1056
220
C1053
16V220
R1054
680
C1049
1000P
R1084
2.2K
R1047
1K
R1052
220 R1087
47K
C1052
50V1
Q1015
C1047
50V1
R1050
1M
C1050
1000P
R1046
100K
Q1013
R1048
1K
TO
MECHANISM
CIRCUIT
(CP1001) ON
SCHEMATIC
DIAGRAM-9
Q1012-Q1013
KTD1304TA
MUTING
Q1014-Q1015
2SC2412KT96R
BUFFER AMP
RGSD12A1445T RGSD12A1445T
7.5V <<7.4V>> 7.5V <<7.4V>>
7.5V <<7.4V>>
15V <<14.8V>>
1.3V <<1.3V>>
7.6V <<7.4V>> 2.3V <<2.2V>>
0V <<0V>>
0.2V <<1.9V>> 0V <<0.2V>>
0V <<0V>>
0V <<0V>>
0V <<0V>>
5.1V <<5.1V>>
10V <<10V>>
0V <<0V>>
0.1V <<0.1V>>
5V <<0.2V>>
0.2V <<3.4V>>
10V <<10V>>
0V
<<0V>>
0V
<<0V>>
0.7V
<<0.7V>>
0V
<<0V>>
0V
<<0V>>
0.7V
<<0.7V>>
0V
<<0V>>
0V
<<0V>>
0.7V
<<0.7V>>
0V
<<0V>>
0V
<<0V>>
0.7V
<<0.7V>>
0V
<<0V>>
5V
<<5V>>
0.2V
<<0.2V>>
11.7V
<<11.7V>>
0.7V
<<0.7V>>
1.3V
<<1.3V>>
2V
<<2V>>
0V
<<0V>>
1.8V
<<1.8V>>
0V
0V
14.2V
5V
<<0.2V>>
5V
<<5V>>
1.8V
<<1.8V>> 5V
5V
0V
0V
8.6V
9.1V
0V
8.5V
9V
0.9V
0.2V
0V Q1019
KTA12710YTA
SELENOID DRIVE
(DECK 1)
SCHEMATIC DIAGRAM - 10
M
: +B SIGNAL LINE
Q1017
Q1018
: PLAYBACK SIGNAL LINE
: RECORD SIGNAL LINE
Q1022 Q1023
: -B SIGNAL LINE

JK305
D318
UDZSTE177R5B
BPOUT
BPMF
A B C
INLA INRA INLB INRB
INLC
INRC
INLD
INRD
SCK
SI
ALCR
ALCC
RECL
RECR
VFC1
GND
VFC2
MIC
F1L2
F1L1
DPLL1
DPLL2
DPLR2
DPLR1
PS2
PS1
F3R2 F2L2 F2L1 F1R2 F1R1 F3R1 F2R2 F2R1 F5L F4R2 F4R1 F4L1 F4L2 F3L2 F3L1
37
38394041
42
43
44
45
46
47
48 34
35
36
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
15
14
13
12
1110
98765432
64
1
IC301
BH3874AKS2
AUDIO SOUND PROCESSOR
1
2
4
6
8
10
9
7
5
3
CN304
C308
0.1
C310
0.047
C304
0.047
C306
0.22 C307
50V0.33
C305
4700P
C204
220P
C404
220P
C311
50V0.22 C336
4700P
C315
0.15
C334
4700P
C322
0.022 C324
0.022 C341
2200P
C312
50V0.33
C335
4700P
C340 4700P
C323
0.022
C333
0.022
C301
1000P
C300
0.01
C313
0.15
C314
0.15
C316
0.15
C402
100P
C202
100P
C401
100P
C201
100P
C357 16V10
C433 50V2.2
C233 50V2.2
C207
16V10
C407 16V10
R304
10
R303
10K
R371
4.7K
R367
10K
R301
0
R208
10K
R302
R207
1.5K
R209
47K
R210
1K
R409
47K
R410
1K
R407
1.5K
R408
10K
R412
27K
R212
27K
R411 2.2K
R211
2.2K
R300
4.7K
R213
56K R413
56K
R215
1K R415
1K
R402
10K
R202
10K
R201
2.2K
R401
2.2K
20 19 18 17 16 15 14 13 12 11 10 24689 7 5 3 1
CN303
C236 50V2.2
C436 50V2.2
C435 50V2.2
C235
50V2.2
C234
50V4.7
C434
50V4.7
C303
16V10
28 27 26 25
CDL
CDR
SPC
SPB
SPA
CHG_PLGR
CHG_HALF
DC_DET2
DC_DET1
PLLDA
PLLCLK
PLLCE1
PGND
CD7.5V
TX
VREF+
/CD
CD3.3V
HP_SW
HPL
HPR
SPC SPB SPA
SPEANA
ASP_CLK
RCH
CE
LCH
PLLDA
DO/ST
PLLCLK
15V
DO/ST
SD
7.5V +9.0V
DET_OUT
PBL
PBR
15V
RECL
RECR
MO10V
Rch
Lch
AUX
HP_GND
AUX1_R
301
302
TUN_GND
MOGND
DGND
MECA.G
AGND
AUX1_L
CDDGND
A.GND
TO
DECK CIRCUIT
(H1001/W1001)
ON SCHEMATIC
DIAGRAM-10
TO
TUNER
CIRCUIT
(2A) ON
SCHEMATIC
DIAGRAM-3
TO PANEL CIRCUIT (CP605)
ON SCHEMATIC DIAGRAM-8
TO
TUNER
CIRCUIT
(1A) ON
SCHEMATIC
DIAGRAM-3
1B
2B
0
<4.51V>(4.52V) ((4.52V))4.52V
<4.52V>(4.52V) ((4.52V))4.52V <4.52V>(4.52V) ((4.52V))4.52V <4.52V>(4.52V) ((4.52V))4.52V <4.52V>(4.52V) ((4.52V))4.52V <4.52V>(4.52V) ((4.52V))4.52V <4.52V>(4.52V) ((4.52V))4.52V <4.52V>(4.52V) ((4.52V))4.52V <4.52V>(4.52V) ((4.52V))4.52V <4.52V>(4.52V) ((4.52V))4.52V
<4.52V>(4.52V) ((4.52V))4.52V <4.52V>(4.52V) ((4.52V4)).52V <4.52V>(4.52V) ((4.52V))4.52V
<4.52V>(4.52V) ((4.52V))4.52V <4.52V>(4.52V) ((4.52V))4.52V <0.01V>(0.01V)
((0.01V))0.01V
<0.64V>(0.64V) ((0.64V))0.64V
<2.2V>(2.2V) ((2.19V))2.49V
<2.2V>(2.2V) ((2.19V))2.91V <2.2V>(2.2V) ((2.19V))2.43V <4.52V>(4.55V) ((4.5V))4.55V
<4.55V>(4.51V) ((4.51V))4.50V
<4.51V>(4.51V) ((4.51V))4.50V
<4.51V>(4.51V) ((4.50V))4.52V
<4.51V>(4.51V) ((4.50V))4.52V <4.51V>(4.51V) ((4.50V))4.52V
<4.51V>(4.51V) ((4.50V))4.52V
<4.51V>(4.51V) ((4.50V))4.52V
<4.51V>(4.52V) ((4.51V))4.52V
<4.52V>(4.52V) ((4.52V))4.52V
R414
10K
R214
10K
PLLCE1
C379
0.15
C378
0.15
C381
0.15
C380
0.15
<4.53V>(4.53V)
((4.53V))4.53V
<4.53V>(4.53V)
((4.53V))4.53V
<4.53V>(4.53V)
((4.53V))4.53V
<4.52V>(4.52V)
((4.52V))4.52V
<0V>(0V)
((0V))0V
<4.54V>(4.54V)
((4.54V))4.54V
<4.53V>(4.53V)
((4.53V))4.53V
<4.53V>(4.53V)
((4.53V))4.53V
<4.53V>(4.53V)
((4.53V))4.53V
<0V>(0V)
((0V))0V
<4.54V>(4.54V)
((4.54V))4.54V
<4.54V>(4.54V)
((4.54V))4.54V
<4.57V>(4.57V)
((4.57V))4.57V
<4.57V>(4.57V)
((4.57V))4.57V
<3.99V>(4.0V)
((3.99V))3.99V
<0V>(0V)
((0V))0V
SCHEMATIC DIAGRAM - 4
MAIN CIRCUIT
: MAIN SIGNAL LINE : FM/AM SIGNAL LINE
: CD SIGNAL LINE : RECORD SIGNAL LINE
: +B SIGNAL LINE
: -B SIGNAL LINE

14 13 12 11 10 24689 7 5 3 1
CN309
STEPC
FILTER
CAP
VCC
HPFL1
HPFL2
HPFL3
HPFR1
HPFR2
HPFR3
BASS1
BASS2
BASS3
BASS4
BASS5
OUTL
OUTR
F5R
32
33
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
Q306
Q306
KRA102STA
AUDIO MUTING CONTROL
C363
100P
C364
C356
0.27
C327
680P
C337
1000P
C319
0.01
C330
47P
C329
100P
C321
0.01
C320
0.01
C430
47P
C318
0.01
C426
0.068
C227
680P
C230
47P
C229
100P
C351
0.22
C352
0.22
C350
0.1
C349
0.1
C429
100P
C427680P
C226
0.068
C353
0.1
C348
C347
0.1
C346
0.068
C345
0.1 C344
0.1
C343
0.068
C342
2200P
C365
0.47
C317
50V4.7
C431
16V10
C355 16V10
C362
50V2.2
C332
50V3.3
C231
16V10
C328
16V10
C428
16V10
C228
16V10
C354
10V220
R328
33K
R329
47K
R373
15K
R372
10K R379
4.7K
R327
1.8K
R323
47K
R227
3.3K
R326
100 R325
15K
R324
1.5K
R427
3.3K
R422
4.7K
R223
47K
R225
3.3K R224
15K
R383 3.9K
R376
15K
R377
18K
R385
100K
R423
47K
R424
15K
R425
3.3K
R375
8.2K
R382
47K
R381
47K
R384
47K
R374
8.2K
R378
47K
R358
47K
R359
47K
R346
22K
R354
12K
R347 12K
R355
22K R353
10K R351
10K
R345
220
R222
4.7K
Q200
KTD1304TA
MUTING SWITCH
HIGH-CHANNEL RCH
5678
3 421
IC304 IC304
KIA4458FEL
DUAL OP-AMP
5 6 7 8
34 2 1
IC302 IC302
M5218P
BUFFER AMP
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 2
46
8
9 7 531
MUTEA
PCONT
NAS_A NAS_B
LED9V
+9.0V
SW2
SW1
-VP
DET_OUT
ASP_DATA
ASP_CLK
ASP_LATCH
SW5V
CHG_AD1
CHG_AD2
CHG_CW
CHG_CCW
SPEANA
ST_DO
SD
HPR
HPL
ASP_LATCH
ASP_DATA
SW5V
+9.0V
VREF+
VREF+
SW2
SW1
CHG_CW
CHG_HALF
CHG_CCW
CHG_AD1
VREF+
SW5V
CHG_AD2
DGND
BOTTOMSW
PLUNGER
POSITION
5V
DGND
SW2
PGND
SW1
OPEN
CLAMP
CHG_CCW
8V
CHG_HALF
CHG_CW
TO
CD LOADING CIRCUIT
(CN1) ON SCHEMATIC
DIAGRAM-12
TO
PANEL CIRCUIT
(CP607) ON SCHEMATIC
DIAGRAM-8
CN302
-9.0V
R341
4.7K R342
10K
Q309
R356
1K
C366
16V10
R360
100K
D319
MA728TX
Q309
KTA1504GRTA
SWITCH
R343
10K
Q310
R357
1K
C367
16V10
R361
100K
D320
MA728TX
Q310
KTA1504GRTA
SWITCH
R344
2.2K
R348
18K
+9.0V
R320
100K R321
1.5K
C325
50V3.3
Q300
R421
1.5K
R221
1.5K
C425
50V3.3
R433
3.3K
Q400
Q200
R420
100K
C438
16V47
C437
1000P
R220
100K
C225
50V3.3
R233
3.3K
C237
1000P
C238
16V47
H_OUT_L
H_OUT_R
GND1
LO_OUT
R426
1.5K
R226
1.5K
Q450
Q250
R249
82
R248
82
R250
82
R251
82
C232
3300P
C432
3300P
R449
82
R448
82
R450
82
R451
82
-9.0V
MUTEA
+9.0V
0.1
100P
<4.52V>(4.52V) ((4.52V))4.52V
<4.52V>(4.52V)
((4.52V))4.52V
<4.52V>(4.51V)
((4.52V))4.51V
<4.52V>(4.53V)
((4.52V))4.53V
<4.52V>(4.52V)
((4.52V))4.52V
<4.51V>(4.51V)
((4.50V))4.51V
<4.52V>(4.53V)
((4.52V))4.52V
<4.52V>(4.53V)
((4.52V))4.52V
<4.51V>(4.52V)
((4.51V))4.51V
<4.53V>(4.51V)
((4.54V))4.54V
<4.5V>(4.49V)
((4.49V))4.49V
<4.53V>(4.52V)
((4.53V))4.53V
<4.52V>(4.52V)
((4.52V))4.52V
<4.52V>(4.52V)
((4.50V))4.51V
<9.05V>(9.04V)
((9.04V))9.04V
<4.53V>(4.53V)
((4.53V))4.53V
<4.53V>(4.53V)
((4.53V))4.53V
<0.07V>(0.07V)
((0.07V))0.07V
<0V>(0V) ((0V))0V
<0V>(0V) ((0V))0V
<0V>(0V) ((0V))0V
<-9.11V>(-9.11V) ((-9.11V))-9.11V
<9.04V>(9.04V) ((9.04V))9.04V
<0V>(0V) ((0V))0V
<0V>(0V) ((0V))0V <0V>(0V) ((0V))0V
<0V>(0V) ((0V))0V <0V>(0V) ((0V))0V
<0V>(0V) ((0V))0V
<-9.11V>(-9.11V)
((-9.11V))-9.11V
<9.04V>
(9.04V)
((9.04V))
9.04V
<8.55V>
(8.58V)
((8.58V))
8.59V
<8.55V>
(8.58V)
((8.58V))
8.59V
<0.71V>
(0.7V)
((0.7V))
0.71V
Q300
KTD1304TA
MUTING SWITCH
LOW-CHANNEL
Q400
KTD1304TA
MUTING SWITCH
HICH-CHANNEL LCH
R380
1K
C375
1000P
C374
1000P
R337
0
SCHEMATIC DIAGRAM - 5 : MAIN SIGNAL LINE
: +B SIGNAL LINE : -B SIGNAL LINE
Q250
KTD1304TA
HP MUTING
SWITCH RCH
(0V) <0V>
0V ((0V))
[0V]
(0V) <0V>
0V ((0V))
[0V]
(-1.93V) <-1.79V>
-1.86V ((-1.91V))
[-1.79V]
(0V) <0V>
0V ((0V))
[0V]
(0V) <0V>
0V ((0V))
[0V]
(0V) <0V>
0V ((0V))
[0V]
(0V)<0V>
0V((0V))
[0V]
(0V)<0V>
0V((0V))
[0V] (-3.76V)<-3.76V>
-3.76V((-3.76V))[-3.76V]
(0V)<0V>
0V ((0V))[0V]
(0V)<0V>
0V((0V))[0V] (-3.76V)<-3.76V>
-3.76V((-3.76V))[-3.76V]
(0V)<0V>
0V((0V))[0V]
(0V)<0V>
0V((0V))[0V]
(-3.77V)<-3.77V>
-3.77V((-3.77V))[-3.77V]
(-3.76V)<-3.76V>
-3.76V((-3.76V))
[-3.76V]
(-0.39V)<-0.39V>
-0.39V((-0.4V))
[-0.39V]
(0V)<0V>
0V((0V))
[0V]
(0V)<0V>0V
((0V))[0V]
(0V)<0V>
0V((0V))
[0V] (-3.76V)<-3.76V>
-3.76V((-3.76V))[-3.76V]
(0V)<0V>0V
((0V))[0V]
Q450
KTD1304TA
HP MUTING
SWITCH LCH
(0V)<0V>0V
((0V))[0V]
(-3.76V)<-3.76V>
-3.76V((-3.76V))[-3.76V]