Panasonic SAAK62 - MINI HES W/CD PLAYER User manual

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Service Manual
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ORDERNO.MD0106158C1
A6
CDStereoSystem
lSA-AK62
Colour
(S)...SilverType
Area
(P)...U.S.A.
TAPESECTION :
SG-2WMECHANISMSERIES
CDSECTION :
RAE0152Z-3 TRAVERSEDECKSERIES
Specifications
AMPLIFIERSECTION
Poweroutput
THD 10%Totalharmonicdistortion
(Front1kHz)60Wperchannel (6 )
(Center1kHz)60Wperchannel (8 )
(Surround 1kHz)30Wperchannel (8 )
Totaloutputinstereomode120 W
TotaloutputinDolby Pro Logicmode240 W
FTCPoweroutput
THD 10%Totalharmonicdistortion
(Front70-16kHz)55Wperchannel (6 )
(Center70-16kHz)55Wperchannel (8 )
(Surround 70-16kHz)27.5Wperchannel(8 )
Totaloutputinstereomode110 W
TotaloutputinDolby Pro Logicmode220 W
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

9.2Howtoenterthe Self-DiagnosticFunction
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Press“STOP/TUNEMODE”toindicateerrorcode.
lIfseveral problem exist, errorcodewillchangeeachtimewhen“STOP/TUNEMODE”is
pressed.
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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.Loadanormalcassettetapewiththeerasureprevention tab,removefromleftsideonlyand
closethecassetteholder.
3.Press“FASTFORWARDMEMORY”(Tapewill notmove).
4.Loadanormalm,Cr02, metalcassettetapewiththeerasureprevention tab,removefromright
sideonlyand closethecassetteholder.
5.Press“REVERSEFMMODE/BP”(Tapewill bestop after2seconds)
6.Loadapre-recordedtapewith bothsiderecordtabsintactand 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.Repeatstep2to9totestDeck1.(TapeDeck1will notcheckH02 becauseofno recording
function)
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9.4Toclearall Errorcode
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1.Press“STOP/TUNEMODE”button for5seconds.
2.FLindicatorshows“CLEAR”for1second and changeto“T”.
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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)

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
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
C751
0.1
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
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
RESET 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
IC702
MN662790RSC
SERVO PROCESSOR
DIGITAL SIGNAL PROCESSOR/
DIGITAL FILTER/
D/A CONVERTER
TJ702
18
SCHEMATIC DIAGRAM - 2 : CD SIGNAL LINE
CD SERVO CIRCUIT
TO
PANEL
CIRCUIT
(CP606) ON
SCHEMATIC
DIAGRAM-8
: +B SIGNAL LINE : +B SIGNAL LINE

D
S
G
: FM/AM SIGNAL LINE
50V1
IC101
IC102
Q101
AM LOOP
ANT
AM EXT
ANT
JK101
75
FM EXT
ANT
L102
8
7
1
3
4
2
5
6
2
1
3
4
100K
TUNER PACK Z120 (RAL0029)
5.6P
0.001
100K
390
1.2u
2.2P
180P
820K
3.3P
10P
0.001
0.47u
100K
2.7K
220
390
2.2P
4.7P
560K
390
680K
2.2P
10P
2SK544
RF AMP
2SC2786M
FM MIXER
2SC1675L1L2
BUFFER AMP
LOCAL OSC
GND
C101
0.01
C102
16V10
C117
0.01
C118
0.01
C137
3300P
R123
68K
R102
4.7K
C139
50V4.7
C131150P
R143
22K
C115
C119
680P
R120 47K
C116
0.033
C138
0.01
C120
16V10
R121
22K
R118
C127 C109
1000P C114
C126
10
Z102
R119
3.3K
C106
0.01
C148 0.01
C147 1000P
R124
33
X102
R127
470
C122
R122
2.7K
C121
50V0.47
C123
50V1
C113
1000P
R151
82
R116
1K
R115
560
C111
50V4.7
R113
10K
R111
390
R129
27K
C124
100P
R128
82
R130
10K
C130
6.3V100
C132
1000P
D101
UDZSTE175R1B
C125
16V22
C134
27P
C133
27P
C112
0.01
X103
IC102
LC72131MDTRM
PLL FREQUENCY SYNTHESIZER
IC101
LA1833NMNTLM
FM/AM IF AMP
DET/AM OSC MIX/
FM MPX
C142
50V1 R142
6.8K
C141
50V1 R141 6.8K
R145
100K
C143
6800P
R146
100K
C144
6800P
0.1
C129
6.3V100 C149
R131
R137
1K
R136
1K R135
1K
R134
470
CE
PLLDA PLLCK DO/ST
R138
3.3K
R132
10K
R133
1K
SD
DO/ST
R126
1K R125
470 RCH
CE
LCH
PLLDA
DO/ST
PLLCK
15V
DO/ST
MUTEA
SD
+7.5V
2A
1A
Q106
KRA102MTA
POWER SUPPLY CONTROL
(FM : ON)
R110
1K
R114
5.6K
R152
C110
0.01
C107
0.047 R112
100K C108
8P
R117
47K
R103
270
R105
470
C104
1000P R106
470K
R107
330
C103
0.01
Q101
2SC2058SPTA
FM IF AMP
R104
1K
CF201
2
13
TUNGND
068
RLQB1R0KTD-D
RLFDFT22DD
RSXC7M20S05T
Z101
RLA2Z007-T
RLI2Z021M-T
C136
1000P
1
2
3
4
5
6
7
8
9
3
2
1
5 6
4
RLFFETWND01M RLFFETWND01M
CF202
2
13
910 11 12
13
14
15
16
8
7
6
5
34
2
1
17
1819
20
21
22
23
24
OSC OUT
OSC
AFC
AM RF IN
AGC
AM OUT
DET OUT
PILOT IN
MPX IN
PILOT OUT
RCH
LCH
MONO
FM/AM STRQ
VCC
FM DET
ST
SD
GND
AM RF IN
REG
AM MIX OUT FM IF IN
910
11
12
13
14
15
16
8
7
6
5
34
2
1
17
1819
20
XOUT
VSS
AOUT
AIN
PD
VDD
FMIN
AMIN
MONO
IFINFM
STRQ SWB SWA AM
DO DI
CE CL
XIN
SCHEMATIC DIAGRAM - 3
MAIN/TUNER CIRCUIT
: FM SIGNAL LINE : AM SIGNAL LINE
: FM OSC SIGNAL LINE : AM OSC SIGNAL LINE
: +B SIGNAL LINE
3.3K
16V22 50V3.3
50V4.7
<2.08V> (2.07V) ((2.09V)) 2.09V <6.1V> (6.42V) ((6.27V)) 6.28V
<2.08V> (2.07V) ((2.07V)) 2.08V <2.06V> (2.06V) ((2.08V)) 2.07V
<0V> (0V) ((0V)) 0V
<5.15V> (5.14V) ((4.22V)) 5.12V
<5.15V> (5.16V) ((5V)) 5.16V
<3.97V> (5.15V) ((4.13V)) 4.12V
<6.1V> (6.43V) ((6.17V)) 6.27V
<0.02V> (0.02V) ((3.68V)) 3.68V
<5.01V> (1.32V) ((5.19V)) 5.19V
<3.66V> (4.55V) ((3.76V)) 3.72V
<1.69V> (1.76V) ((1.78V)) 1.77V
<1.7V> (1.75V) ((1.76V)) 1.76V
<2V> (2.01V) ((2.02V)) 2.02V
<2.07V> (2.07V) ((2.08V)) 2.08V
<2.06V> (2.06V) ((2.07V)) 2.07V
<2.39V> (1.56V) ((2.36V)) 2.36V <2.02V> (1.25V) ((2.02V)) 1.86V
<0.16V> (0.75V) ((0.25V)) 0.25V <2.42V> (2.06V) ((2.46V)) 2.46V
<2.42V> (2.06V) ((2.46V)) 2.46V <6.11V> (6.42V) ((6.27V)) 6.27V
<4.68V> (5.01V) ((4.85V)) 4.85V
<2.6V> (2.61V) ((2.61V)) 2.62V
<0.55V> (0.55V) ((0.77V)) 0.55V
<0.02V> (0.02V) ((0.23V)) 0.02V
<0.02V> (0.02V) ((4.75V)) 0.02V <5.15V> (5.16V) ((5.03V)) 5.16V <5.01V> (0.18V) ((5.19V)) 5.19V
<4.66V> (4.98V) ((4.83V)) 4.83V
<0.02V> (0.02V) ((4.43V)) 4.43V
<0.05V> (12.3V) ((12.31V)) 12.25V
<0V> (0V) ((0V)) 0V
<0V> (0V) ((0V)) 0V
<0V> (2.49V) ((2.59V)) 2.59V <2.58V> (0V) ((0V)) 0V <1.15V> (5.16V) ((5.16V)) 5.17V
<0.81V> (0.9V) ((0V)) 0V
<0.81V> (0.9V) ((0V)) 0V
<5.64V> (1.84V) ((12.33V)) 12.26V
<0V> (0V) ((0V)) 0V
<2.59V> (2.6V) ((2.6V)) 2.6V
0V
(0V)
<13.5V>
13.6V
(13.6V)
<13.6V>
13.6V
(13.6V)
<0V>
0V
(0V)
<11.5V>
0V
(0V)
<0V>
0V
(0V)
<0.7V>
TO
MAIN CIRCUIT
(1B) ON
SCHEMATIC
DIAGRAM-4
TO
MAIN CIRCUIT
(2B) ON
SCHEMATIC
DIAGRAM-4
AM ANT COIL
AM OSC COIL