Panasonic MD0004056C2 User manual

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Service Manual
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ORDERNo.MD0004056C2
CDStereoSystem
SA-AK48
Colour
(S)........SilverType
Areas
(E)........EuropeandRussia.
(EB)......Great Britain.
(EG)......Germany,Franceand Italy.
TAPESECTION :AR2 MECHANISM SERIES
CDSECTION :RAE0152Z-MTRAVERSEDECKSERIES
SYSTEM:SC-AK48
Specifications
•AMPLIFIERSECTION
RMS poweroutput
THD 10%,bothchannelsdriven
(HIGH)40Wperchannel(6 )/(MID)40Wperchannel(6 )/(LOW)120Wperchannel(6 )/(TOTAL)200Wperchannel(6 )
/Inputsensitivity
AUX 250mV
Inputinpedance
AUX 13.9k
•FM TUNERSECTION
Frequencyrange 87.50-108.00MHz/(50kHzsteps)
Sensitivity 1.8μV(IHF)
S/N26dB 1.5μV
Antennaterminal(s) 75 (unbalanced)
•AMTUNERSECTION
Frequencyrange 552-1629kHz(9kHzsteps)
Sensitivity
S/N20dB(at 999kHz) 560μV/m
•CASSETTEDECKSECTION
Tracksystem 4track,2channel
Heads

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12.1ErrorDetectionforCassetteMechanism
block
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No. ErrorError
Display
ProblemCondition
1MODESWdetection errorH01 Faultyoperation of cassette mechanism./Faultycontactor short-circuit ofmechanismmodeswitch(S951,
S971)
2RECINHSWdetection
error
H02 Recording notpossible./Faultycontact or short-circuit ofRECINH switch(S974,S975)
3HALFSWdetection errorH03 Playbackcannotperform./Faultycontact or short-circuit ofHALFswitch(S952,S972)
4ReelPulsedetection errorF01 Thetapeadvancesslightlyandthenstops./Faultyreelpulse,faultyholedetect IC(IC951,IC971)
5TPSabnormal F02 Cassette deckwillnotperformTPSfunction./FaultyplaybackEQ/recording amplifierIC (IC1101)

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12.2ErrorDetectionforCD/Changerblock
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No. ErrorError
Display
ProblemCondition
1RESTSWdetection errorF15CDdosenotfunction./Thiserror occurswhentheOptical PickUpRESTSW(S701) is
notdetectedwithinthespecifiedtime(about8seconds)
2CDtrayopensautomaticallyF16CLAMP switch(S4)NG(Check&Replace)
3Doesnotstartup when/“TUNE/TIMEADJ^” button
is/pressed
F17BOTTOM switch(S5) NG (Check&Replace)
4Transmissionerror betweenCD/servoLSIand
micon
F26CDdoesnotfunction./Thiserror occurswhenthePOWERisON for theCDblockand
anerror isdetectedafterthetransmission hasstarted.
5Startupfailsevenwhenyou insertCDor the
selecteddisctraydoesnotopen
F27Tray1detect switchor Tray2detect switchNG (Check&Replace)
6CannotinsertCDF28Tray1detect switchNG (Check&Replace)
7CannotejectCDF29CheckifDiscisstuck.Tray2detect switchNG (Confirm&Replace)
8CDTrayclosesH15 CDdisctraydetectswitchNG (S3)(Check&Replace)

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12.3ErrorDetectionforCassetteMechanism
block
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No. ErrorError
Display
ProblemCondition
1POWERAMPoutput
abnormal
F61 WhenPOWERisswitchon,powerbecomeoffautomatically./Duringnormaloperation,ifDCDET becomeL,PCNT
shall becomeLandtheerror displayontheleftshall bedisplayed(IC500)

8765
1234
NBOUT GND NAOUT VREF
GND
Vcc BIN AIN
M
M
14 15 16 17 18 19 20
13 12 11 10 9 8 7
21 22 23 24 25 26
6 5 4 3 2 1
NC
RSTIN
IN3 IN4
VREF
Vcc
NC
GND
PVcc2
PGND2
NC
D4+
D4
-
D3+
D3
-
/RST NC IN2 PC2 NC IN1 NC GND PVcc1 PGND1 NC D1
-
D1+ D2
-
D2+
A
B
C
D
E
F
G
15
14
13
1616
15
14
13
1212
11
8
7
6
5
4
3
2
1
11
10
9
8
7
6
5
4
3
2
1
10
9
1516171819202122232425262728
1413121110987654321
PDE
PDF
Vcc
PDA PDB
LPD
LD
RF
RFIN
CSBRT
CEA
BDO
LDON
GND
FBAL TBAL VREF FEN FEOUT TEOUT TEN NC NC ENV NC OFTR PDOWN /RFDET
A
B
C
D
TP36
TP35
C737
0.1
C736
0.1
TP38
TP37
M702
SPINDLE
MOTOR
M701
TRAVERSE
MOTOR
AB CD
C735
0.1
C734
10V220
BADC BA
R736
100
AB
R729
3.9K
R728
3.9K
C739
1500P
R727
3.9K
R749 4.7K
C752
1000P
C738
0.01
R724
18K
R735
100
R723
6.8K
R731 6.8K
R715
1K
C715
2700P
R725
390
C714
6.3V100
C713
0.1
C712
0.1
C711
0.1
R708
22K
R707
39K
TP42 TP40
C749
2200P
R702
10K
C747
180P
R744
120K
C710
120P
R705
150K
TP33 TP32
R704
1K
R706
1K
IHGFEDC
C742
0.027
B
A
R701
4.7
C701
6.3V33
CN701
(RF)
TP29 C716
820P
TJ701
A
B
C
D
E
D
E
C
A
B
DCB A
C751
0.1 C750 0.1
VREF
C702
0.1
C706
2700P
C707
0.027
C704
0.1
C703
6.3V100
Q701
2SA1037AKSTX
LASER POWER
DRIVE
IC701
AN8839NSBE2
SERVOAMP
IC703
AN8739SBE2
FOCUS COIL/
TRACKING COIL/
TRAVERSE MOTOR/
SPINDLE MOTOR DRIVE
TRACKING
COIL
FOCUS
COIL
0.1
2
12
11
3
8
10
5
4
9
680P 680P
1K
0.1
0.047
6
Vcc
PDF
PDE
LD
GND
NB
GND
GND
NA
VREF
LPD
GND
T+
T
-
F+
F
-
A
LD
5V
5V
7.7V
CD SERVO CIRCUIT
SCHEMATIC DIAGRAM - 1
NOTE:
The number which noted at the connectors on the schematic diagram as
"SCHEMATIC DIAGRAM-1" or "SCHEMATIC DIAGRAM-2"
indicates the schematic diagram serial number located on the left corner in the schematic diagram.
OPTICAL PICKUP
1.6V 3.3V1.6V 1.6V 1.6V (0.2V) 0V (2.3V) 2.7V (1.4V) 0.9V 0.7V 1.9V 1.6V 0V (3.2V) 0V
1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 0V 3.2V
(0V)
(0.4V) (0.6V)
0V 0V 0V 0V 0V 7.5V 7.5V 1.6V 1.6V 1.6V
1.6V1.6V3.2V1.6V1.6V (0V) 0V 0V 0V 0V
(0.1V) (0.7V) (0.7V) 7.5V
PLAY 0.1V
P-P
2ms. 0.1V/DIV.
PLAY
2ms. 0.1V/DIV.
0.3V
P-P
PLAY
0.8V
P-P
0.5*s. 0.2V/DIV.
3.3V
7.4V
1.1V
(2V)
3.2V (2.3V)
2.7V
3.3V
(3V)
:POSITIVE VOLTAGE LINE :CD PLAYBACK SIGNALLINE

61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
2122232425262728293031323334353637383940
BCLK
LRCK
SRDATA
DVDD1
DVss1
TX
MCLK
MDATA
MLD
SENSE
/FLOCK
/TLOCK
BLKCK
SQCK
SUBQ
DMUTE
STAT
/RST
SMCK
CSEL
TRV TVD PC ECM ECS KICK TRD FOD
VREF
FBAL TBAL FE TE RFENV VDET OFT TRCRS /RFDET BDO LDON
PLLF2
DSLF2
WVEL
ARF
IREF
DRF
DSLF
PLLF
VCOF
AVDD2
AVss2
EFM
PCK
VCOF2
SUBC
SBCK
Vss
X1 IN
X2 OUT
VDD
BYTCK
/CLDCK
FCLK
IPFLAG
FLAG
CLVS
CRC
DEMPH
RESY
IOSEL
/TEST
AVDD1
OUTL
AVss1
OUTR
RSEL
IOVDD
PSEL
MSEL
SSEL
191817161514
132 4 5 6 7 8 9 10 11 12 13
TP22
A
B
TP23
TP21
C727
50V1
C728
50V1
C725
1000P
C726
1000P
R718
1K
R717
1K
C754
470P
C730
0.1
C731
6.3V220
R721
100
C732
6.3V220
C733
0.1
TP20TP18
C753
470P
A
B
CN702
C743
0.1
TP17TP14TP13TP12TP8TP7TP6TP4TP2
IHGFEDCBA
S701
(REST)
TP16
C745
1000P
A
B
C
D
E
F
G
H
I
GFEDCBAABC D EFGHI
R712
220
C718
0.22
C717
0.1
C744
8200P
R709
68K
R741 47K
R711
82K
C722
10P
X701
(16.9344MHz)
C721
10P
C724
0.1
C723
10V220
IC702
MN662790RSC
SERVO PROCESSOR/
DIGITAL SIGNAL PROCESSOR/
DIGITAL FILTER/
D/A CONVERTER
+B(2)
Rch OUT
/RST
STAT
SUBQ
SQCK
BLKCK
P.GND
MDATA
MCLK
TX
+B(1)
D.GND
LD SW
A.GND
Lch OUT
RESTSW
R753
10
TP1
TP19
TP15
R742
220K
SPEED
MLD
To FL CIRCUIT(CP606) on SCHEMATIC DIAGRAM - 13
F
SCHEMATIC DIAGRAM - 2
R714
0
7.5V
3.3V
3.2V
3.3V
3.2V
0V
3.2V
0V
3.2V
0V
3.2V
0V
0V(3.1V)
3.2V
1.6V 3.2V(0V) 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V
3.2V(0V)
0V(3.2V) 0V
0V
1.6V
1V
(1.2V)
1.6V
0V
3.2V
1.6V
1.6V
3.2V
3.2V
3V
1.5V
3.2V
1.5V
3V
PLAY
1kHz, 0dB
2.2V
P-P
0.8V
P-P
F=16.9344MHz
PLAY
0.8V
P-P
PLAY
0V
3.2V
F=75Hz
PLAY
2ms. 0.1V/DIV.
0.3V
P-P
PLAY 0.1V
P-P
2ms. 0.1V/DIV.
PLAY
0V
3.2V
T 13.3ms.
PLAY
0V
3.2V
T 13.3ms.
0.5 s. 0.2V/DIV.
3.3V
2.1V
P-P
F=16.9344MHz
3.2V 3.2V
1.5V
1.6V
3.3V
PLAY
0V
3.2V
T 13.3ms.
:POSITIVE VOLTAGE LINE :CD PLAYBACK SIGNAL LINE

S
GD
S
GD
S
GD
4.7K
1 2 3 4 5
Rch
Lch
PLAYBACK
HEAD
DECK1
1
5
3
4
2
Rch
Lch
R/P HEAD
ERASE
HEAD
DECK2
1
5
3
4
2
CS1101
CS1102
TP2
TP1
R1103
15K
C1101
1000P
R1183
100K
TP6
C1193
1000P
C1103
680P
C1104
0.022
R1101
330K
R1102
100K
TP3
R1182
1
IC1102
BA7755A
R/P SELECT
VCC GND
C1183
0.47
R1189
4.7K
R1188
1K
R1195
100K
C1102
1000P
C1194
1000P R1104
15K
R1184
100K
C1177
1000P
R1179
2.7K R1181 3.3K
TP172
TP170
TP171
R1180
2.7K
C1181
0.01
C1179
0.01
C1182
50V4.7
C1180
0.01
D1175
MA111TX
C1178
1000P
Q1175
Q1176
R1178
1.2
C1176
0.047
R1177
5.6K
R1176
4.7K
L1201 1
2
3
6
5
4
C1185
4700P
C1175
35V220
D1171
MA111TX
R1173
10K
D1172
MA8047MTX
R1174
10K
C1174
50V4.7
D1174
MA8036HTX
C1184
1500P
R1172
330
R1170
1K
C1173
0.01
ERASE CURRENT
CHECK POINT
Q1173
DTC144TKA146
BIAS OSC CONT.(CrO2)
Q1101
2SJ498CDTA
HEAD SELECT
(REC:ON)
Q1103
2SJ498CDTA
HEAD SELECT
(PLAY:ON)
Q1104
2SJ498CDTA
HEAD SELECT
(PLAY:ON)
Q1102
2SJ498CDTA
HEAD SELECT
(REC:ON)
G
D
S
Q1175,1176
2SC2002KTA
BIAS OSC
Q1174
2SC2412KT96R
BIAS OSC CONT.
L1202
47 H
Q1179
2SC2412KT96R
SWITCHING
(BEAT PROOF)
Q1171
2SD1302STA
SWITCHING
(REC:ON)
MECHANISM CONTROL CIRCUIT
B
SCHEMATIC DIAGRAM-3
TP4
TP5
TP11
TP12
24.9V
((0.1V)) ((0V))
((0V))
((0V))
0.7V
0.6V ((0V)) ((0V))
((0V))
0.6V 0.9V
((0V))
((0V))
0.6V
0.6V
4.8V
((0V)) ((0V))
((7.8V))
10.8V
0.1V
((0V))
((0V))
((4.4V))
4.5V
((0V))
((0V))
((0V))
4.5V
((0V))
((0V))
((0V))
((0V))
((0V))
((4.4V))
0.1V
14.6V
:TAPE PLAYBACK SIGNAL LINE
:RECORDING SIGNAL LINE
:POSITIVE VOLTAGE LINE
((14.7V))
14.3V
((0.1V))
0V
((0V))
0.1V
((14.7V))
14.3V
((0V))
0.1V
((4.8V)):CrO2

14
3233343536 29 28
30
31 27 26 25 24 23 22
47K
7 98654
21
10 11 12 13 15 16 18
19
47K
10K
10K
1
MOTOR
M
1 32
20
Q1107
DTC144TKA146
P.B EQ/REC EQ
(CrO2/H.SPEED)
R1131
68K
C1146
16V10
R1146
10K
C1135
1000P
C1139
50V2.2
C1131
820P
C1129
820P
R1125
1K
R1123
10K
R1121
33K
C1133
50V4.7
C1143
50V4.7
R1115
390K
R1117
270K
C1127
0.01
C1123
1800P
C1125
0.047
C1121
50V1
C1119
50V4.7
AB
C1117
50V1
C1147
1500P
R1141
6.8K
R1111
2.2K
C1115
0.033 R1109
4.3K
C1113
6.3V220
R1107
39
C1111
820P
C1109
16V100
C1108
16V33
C1105
1200P
R1105
270
IC1101
M51167AFP-TB
P.B EQ/REC AMP/
ALC/TPS AMP
C1106
1200P
C1112
820P
R1142
6.8K
R1110
4.3K
R1108
39
C1114
6.3V220
C1148
1500P
R1112
2.2K
C1116
0.033 C1124 1800P
C1122
50V1
C1120
50V4.7
C1118
50V1
EDC
C1126
0.047
C1136
1000P
R1118
270K
C1128
0.01
R1116
390K
C1130
820P C1132 820P
C1144
50V4.7
R1122
33K
R1124
10K
R1126
1K
C1140 16V10
C1141 50V0.1
R1134 470K
C1142
0.022 R1133
3.3K
C1134
50V4.7
Q1108
DTC144TKA146
P.B EQ/REC EQ
(CrO2/H.SPEED)
A
B
C
D
E
F
2
R1206
220
Q1203
2SD965RTA
MOTOR DRIVE W1200
A
B
Q1206,1207
2SB621RTA
SOLENOID DRIVE
Q1206
Q1207
R1221
2.7
R1225
2.7
C1201
16V100
Q1208
Q1209
R1226
1K
R1227
1K
D1202
MA111TX
D1201
MA111TX
Q1208,1209
DTC114TKA146
SOLENOID DRIVE
AGND
TPS
R/P
REC
SW
REC
ALC
C
B
PRE
PRE
PB
PB
A
C
B
A
B
C
AGC
OFF
Vcc
17
R1132 3.3M
SCHEMATIC DIAGRAM-4
((0V)) ((0V))
((0V)):CrO2
((0V))
4.7V ((9.7V))((4.3V))((0V))((5V))((5.2V))((4.9V))((5.1V))((4.8V))((4.8V))((1.1V))((0V))
((9.9V))
((9.4V))((0V))
((0V)) ((4.7V)) ((0V)) ((1.1V))((4.8V)) ((4.8V)) ((5.1V)) ((5.1V)) ((4.9V)) ((5.2V)) ((5.0V)) ((0V)) ((4.1V))((0V)) ((5.1V))((0V))
4.8V
((0V))
((0V))
((0V)):CrO2
14.6V 14.6V
10V
5V
10V
((0V))
((0.8V))
((0V))
((10V))
((10V))
((0V))
((9.5V))
((9.5V))
((9.5V))
((9.5V))
((4.5V))
((4.5V))
((5V))
((5V))
:TAPE PLAYBACK SIGNAL LINE:RECORDING SIGNAL LINE:POSITIVE VOLTAGE LINE
((5.4V)) 3.8V4.9V4.9V
4.6V5.0V4.8V4.8V 4.4V 4.5V
((0V))
9.1V
4.9V
4.6V
((5.4V))
5.0V
4.8V
((5.1V))
4.8V
4.5V4.5V
9.3V
8.8V

SOLENOID
D971
MA165TA
IC971
0N2180RLC
PHOTO
INTERRUPTER 3 1
24
R972
820
1
2
3
4
5
6
7
4.7K
50K
25K
4.7K
4.7K
4.7K
50K
50K
50K
50K
25K25K
S975
(F.REC.INH.)
S971
(MODE)
S974
(R.REC.INH)
S972
(HALF)
Z971
1932 4 5 6 7 8
1932 4 5 6 7 8
CP1102
CS971
S973
(ATS/CrO2)
R973
39K
1932 4 5 6 7 8
1932 4 5 6 7 8
CP1101
CS951
SOLENOID
D951
MA165TA
S951
(MODE)
S953
(ATS/CrO2)
S952
(HALF)
IC951
0N2180RLC
PHOTO
INTERRUPTER
3 1
24
R952
820
R953
39K
Q1118-1121
2SC2412KT96R
INTERFACE Q1119
R1166
100K
R1167
47
R1165
56K
Q1118
AEBCDF
R1213
1.5K
R1220
4.7K
R1192
47
Q1121
Q1120
R1190
100K R1191
56K
F
E
R1145
10K
C1145
16V10
FBA C
B
C
C1150
10V47
R1139
10K
D1173
MA111TX
47K
47K
Q1151,1152
DTC144TKA146
SWITCHING
(PLAY:ON)
Q1152
Q1151
C1162
16V100
AED
R1196
47K
R1161
4.7K
Q1116
R1197
47K
R1162
4.7K
C1152
16V10
Q1115
R1186
1K
Q1115,1116
2SD2114K1V
MUTING
C1186
10V47
R1156
220
Q1154
Q1153,1154
2SC2412KT96R
BUFFER AMP
C1154
1000P C1153
1000P
R1155
220
Q1153
R1152
1M
R1154
1.2K R1153
1.2K
C1166
16V10
R1151
1M
R1158
220
C1165
16V10
C1151
16V10
E
D
B
SCHEMATIC DIAGRAM-5
MECHANISM (DECK2) CIRCUIT
CMECHANISM (DECK1) CIRCUIT
D
14.6V
((5V)) ((5V)) ((5V)) ((5V))
5.V
5V
((0V)) ((0.7V))
((0.1V)) ((0V))
((0.7V)) ((0V))
((0V))
((0V))
0.1V
4.8V
0V
0.6V
0V
0.5V
5V
10V
((0V))
((0V))
((4.0V))
0.2V
((0V))
((0V)) ((0.2V))
((0.2V))
0.7V
0.7V
((1.2V))
((0.5V))
((10.6V))
((1.2V))
((0.5V))
((10.6V))
:TAPE PLAYBACK SIGNAL LINE
:RECORDING SIGNAL LINE
:POSITIVE VOLTAGE LINE
((4.0V))
0.1V
((0.5V))
((0.6V))
((2.4V))
((0.5V))

910 11 12 13 14 15 16
8 7 6 5 4 3 2 1
BP2
IH
REC 2M
1M
2PL
1PL
Vcc GND
DATA
CLK
TAPE
HI SP
DOLBY
BP1
DMT
IC1105
BU2090AF-E2
SYSTEM CONTROL
AB
2
1
3
4
5
6
7
8
9
10
H1100
Lch IN
Rch IN
M.GND
A.GND
+B(5)
MO.GND
D.GND
+B(3)
Lch OUT
Rch OUT
7
8
6
5
4
3
2
1
CN1201
MKDATA
MKCLK
VREF(+)
+B(6)
ADIN6
ADIN7
TPS
D.GND
R1144 10K
R1143 10K
A
B
C
D
E
F
R1216 2.2K
R1215 2.2K
R1234
4.7K
C1188
100P
R1233
2.2K
C1187
100P
R1236
4.7K
R1235
4.7K
C1202
0.1
R1230
4.7K
10K
4.7K
10K
4.7K
R1232
1K
R1106
2.2K
D
C
B
A
Q1218
DTA114EKA146
SWITCHING
(REC:ON)
Q1220
DTA143XKA146
MOTOR DRIVE
D
E
F
C
B
A
1234567
4.7K
50K
25K
4.7K 4.7K 4.7K
50K 50K 50K 50K
25K25K
Z1101
SCHEMATIC DIAGRAM-6
To MAIN
(DSC)
CIRCUIT
(CN304) on
SCHEMATIC
DIAGRAM
- 9
E
To FL
CIRCUIT
(H600) on
SCHEMATIC
DIAGRAM - 13
K
TP10 TP9
((0V)) ((4.8V)) ((0V)) ((0V)) ((4.6V)) ((5V))
4.7V
((0.2V))
5.1V ((4.7V)) ((0V)) ((0V))
5V
10V
5V
14.6V
((4.8V))
((5V))
((0V))
4.8V
((5V))
((4.9V)) ((0V))
:TAPE PLAYBACK SIGNAL LINE:RECORDING SIGNAL LINE:POSITIVE VOLTAGE LINE
0.2V ((0.5V)) 0V 4.5V
0.2V

E
1
2
34
5
6A
Ca
A
AM ANT AM OSC
1
2
34
5
6
Z101
12345678910
20 19 18 17 16 15 14 13 12 11
XIN
CE
DI
CL
DO AM
LW
SDC
STRQ
FM IF IN
MONO
AM IN
FM IN
VDD
PD
AIN
A OUT
Vss
X OUT
FM FRONT END (ENV17290GIY)
L102
0.39 H
L101
0.39 H
R110
1K
C107
0.047
R112
100K
C108
8P
C136
1000P
A
B
C
D
R111
390
R128
82
R129
27K
C124
100P
C112
0.01
R115
560
R116
1K
C111
25V4.7
D101
UDZSTE175R1B
R113
10K
C133
27P
C134
27P
X103
(7.2MHz)
R117
68K
C130
6.3V100
C132
1000P
C113
1000P
R132
10K
R133
1K
R138
3.3K
R130
10K
R137
1K
R136
1K
R135
1K
R134
470
ABCD
C125
16V22
R114
5.6K
C110
0.01
A
B
C
D
E
F
IC102
LC72131MDTRM
PLL FREQUENCY
SYNTHESIZER
AM ANT
EXT
LOOP
FM ANT
(75 )
JK101
SCHEMATIC DIAGRAM-7
MAIN(TUNER) CIRCUIT
R103
100
C101
0.01
C102
16V100
2
3
4
5
6
7
8
2SC2996
BUFFER AMP
2SC2996
BUFFER AMP
2SK360
FM OSC
2SK238
RF AMP
122P
15P
1P
18P
0.47 H
8P
100K
0.022
2.7K47P
3P
33K
100K
8P
8P
10K 10K
22
33K 33K
100K
8P
0.022
100
330
7P 4P
22P
1P
4P
220P
1.5M
10K
1 H
220
0.022
0.022
150
2P
18P
1.2K
33P
470K
16V100
15P
330
2SC2620
FM MIXER
R151
82
R152
0
FM/AM
F=7.2MHz
1.3V
P- P
FM/AM
F=7.2MHz
1.4V
P- P
2.6V (2.8V) 6.5V 0.8V 0.8V 5.2V 2.5V 0V 4.7V 0V
(0V) (2.4V) (0V)
2.5V 0.6V 0V 0V 5.2V 4.7V 4.3V 0V 0V
(14.6V)(4.6V)(0.2V)
:POSITIVE VOLTAGE LINE :FM SIGNAL LINE :FM OSC SIGNAL LINE :AM SIGNAL LINE :AM OSC SIGNAL LINE
F
87.5MHz 108MHz
9.3V FM
V
2.6V F
522kHz 1629kHz
1.4V
6.8V
VAM

C
13
2
24 23 22 21 20 19 18 17 16 15 14 13
1 2 3 4 5 6 7 8 9 10 11 12
FM IF IN
AM MIX OUT
REG
AM IF IN
GND
SD
ST
FM DET
Vcc
STRQ
FM/AM
MONO
OSC OUT
OSC
AFC
AM RF IN
AGC
AM OUT
DET OUT
PILOT IN
MPX IN
PILOT OUT
Rch
Lch
Z102
1
2
3
4
6
1
2
3
BADFCE
R127
470
C122
50V1
R122
2.7K
C121
50V0.47
C123
50V1
R131
68
C149
0.1
C147
1000P
R125
470
R126
1K
C148
0.01
R124
33
X102
AB
C106
0.01
C126
1
C127
16V22
C129
6.3V100
R119
12K
C117
0.01
C141
50V1 R141 6.8K
R145
100K
C143
4700P
B
A
C144
4700P
R146
100K
R142
6.8K
C142
50V1
C118
0.01
C137 3300P
C131 100P
R123
68K C138
0.01
C120
16V10
R121
22K
C139
25V4.7
R102
4.7K
C119 560P
C116
0.033 R143
22K
C115 25V4.7
R120 47K
C109
1000P
C114
50V3.3
R118
3.3K
A
D
B
C
R104
10K
C103
0.01
R109
330
C104
1000P
R105
470
CF201
R106
470K 13
2
CF202
IC101
LA1833NMNTLM
FM/AM IF AMP,
DET/AM OSC,MIX/FM MPX
Q106
KRA102MTA
POWER SUPPLY
(FM:ON)
98765
SD
Lch OUT
GND
CL
DO
DI
CE
Rch OUT
To MAIN(DSC) CIRCUIT ( )
on SCHEMATIC DIAGURAM-9
B
Q102
2SC2058SPTA
FM IF AMP
Q101
2SC2058SPTA
FM IF AMP
R108
470K
C105
1000P
R107
330
SCHEMATIC DIAGRAM-8
11104321
A
B
+B(4) +B(3)
STEYE
A
B
A
B
B
A
D
FM 0.12V
P- P
(0V)
0.7V
(0V)
11V
(0V)
14.6V
0V
(14.6V)
14.6V
(4.7V)
4.4V 2.0V 2.0V 2.0V 1.6V 1.6V
(6.1V)
5.8V (1.9V) 0V 2.3V
2.0V 5.8V
(6.1V) 2.0V 2.0V 0V 0V
5.2V 3.8V
(5.3V) 5.8V (6.1V) 4.7V (1.2V) 4.8V (4.3V)
14.6V
7.7V
FM LINE
+B
:POSITIVE VOLTAGE LINE :FM SIGNAL LINE :AM SIGNAL LINE :AM OSC SIGNAL LINE
(0V)
0.7V
(0V)
12V
(1.5V)
1.3V
(2.0V)
2.4V
(2.0V)
2.4V

G
F
H
E
R358 47K
R213 27K
R413 27K
1
2
4
3
AC
CaE
S5
(BOTTOM)
D1
GP1S94
(POSITION SENSOR)
1
2
4
3
BOTTOM SW
CIRCUIT
1
2
3
1
2
3
S4
(CLAMP)
W1
W2
A
B
C
D
CLAMP SW
CIRCUIT
MOTOR CIRCUIT
MAIN(DSC) CIRCUIT
12018 19171615141312111098765432
CN303
A.GND
D.GND
+B(2)
TX
+B(1)
P.GND
+B(4)
MIC
M.GND
CHG AD1
SD
CHG AD2
SER5
SER3
/CD
MUTEA
P.CONT
LVL1
CD Lch
CD Rch
2
1
3
4
5
6
7
8
9
10
CN304
M.GND
MO.GND
+B(5)
D.GND
+B(3)
REC Rch
REC Lch
A.GND
PB Rch
PB Lch
1
2
3
4
5
6
7
9
10
11
DO
CL
DI
CE
SD
ST EYE
+B(3)
+B(4)
Rch IN
Lch IN
GND
B
8
Rch
Lch
AUX
JK305
JK300 1
2
3
GND
INPUT
Vcc
OPQRSTU
R402
3.9K
R202
3.9K
R401
10K
R201
10K
C402
100P
C202
100P
A
B
C
D
R411
2.2K
R211
2.2K
R412
4.7K
R212
4.7K
C309
6.3V100
C302
0.01
C300
0.01
E
H
F
G
R207 6.8K
R407 6.8K
I
L
J
K
R408
10K
C404
220P
C204
220P
R208
10K
R415
1K
R215
1K
R454 10K
R300 4.7K
C301 1000P
R210 1K
R410 1K
R409
47K
R209
47K
M
N
Q351
KRC102STA
PLUNGER DRIVE
Q350
2SB621ARSTA
PLUNGER DRIVE
R349
10K
R350
1K
D316 RL1N4003S-P
C236
0.47
R346 22K
R345 220
14
2
1
3
4
5
6
7
8
9
10
11
12
13
CN1
PLUNGER
S2
(TRAY POSITION2 DET.)
S1
(TRAY POSITION1 DET.)
S3
(OPEN DET.)
IC1
TA7291P
MOTOR DRIVE
A
B
C
D
14
2
1
3
4
5
6
7
8
9
10
11
12
13
8.7V
M
1 2 3 4 5 6 7 8 9 10
R1
1K
C1
16V100
D2
MTZJ4R7BTA
Q1
RVTDTC143EST
MOTOR DRIVE
RM1
(LOADING
MOTOR)
C2
0.01
4.7K
4.7K
CN309
R347 12K
A
B
C
R354 12K
R355 22K
D
E
F
D312
RL1N4003S-P
R353
10K
R359 47K
R351 10K
SCHEMATIC DIAGRAM-9
To FL CIRCUIT (CP605)
on SCHEMATIC DIAGURAM-15
K
To MECHANISM
CONTROL
CIRCUIT(H1100)
on SCHEMATIC
DIAGRAM
- 6
B
To MAIN(TUNER)
CIRCUIT ( )
on SCHEMATIC
DIAGRAM-8
EA
OPTICAL
OUT
(DIGITAL)
7.5V
3.3V
10V
14.6V
7.7V
10V0V
10V
0V
10V
:POSITIVE VOLTAGE LINE
:RECORDING SIGNAL LINE :TAPE PLAYBACK SIGNAL LINE
:FM SIGNAL LINE
:CD PLAYBACK SIGNAL LINE :AM SIGNAL LINE
9V
0.6V 7.8V 0.6V
8.4V 8.4V
4.5V
0V

C315 150P
118 19171615141312111098765432
SPEANA
CHG PLGR
VREF+
DC DET
PLL CK
PLL DA
PLL CE
CHG HALF
CHG CCW
CHG CW
ST.D0
SER4
SW1
LVL2
GND
-VP
HP.GND
HP.Rch
+B
+B(6)
2624 2523222120
HP.Lch
HP.SW
SW2
CN302
PORT 2
C217
0.033
M
G
D
B
A
C
H
N
C419
50V0.15
C219
50V0.15
C218
50V0.15
C418
50V0.15
C417 0.033
C416 2200P
C415 2700P
C414 2200P
C413 2200P
C412 0.027
C411 0.039
C410 0.022
C409 0.33
C408 0.082
D314
RL1N4003S-P A
E
D
F
C
B
R303 10
C304 10V330
JKL IS
A
B
C
D
E
F
G
C407
50V1
C307
1000P
R309
3.3K
R344
10K
R308
3.3K
R306
1.2K
R304
22K
D311
1SS355TE17
Q304
KTC3875GRTA
SWITCHING
F
R433
220K
R301
22K
R305
10K
R302
18K C306 50V0.1
C305
1500P
R233
220K
R310
1K
O
E
R307
10K
C207
50V1
C308
0.047
C216 2200P
C215 2700P
C214 2200P
C213 2200P
C212 0.027
C211 0.039
C210 0.022
C209 0.33
C208 0.082
IC303
M62433AFP
DIGITAL SOUND
CONTROLLER
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
12345678910 11 12 13 14 15 16 17 18 19 20 21 22 23 24
25
26
27
28
29
30
31
32
34
35
36
37
38
39
40
414243444546474849505152535455565758596061626364
PS- IN PS+IN
KIN1 K OUT1 TAPE REC1 EXT REC1 VCR REC1 DPL1 GEQ OUT1 VOL IN1 VOL OUT1
BB1
BUF IN1
BUF NF1
BUF OUT1
PORT 1
DVDD
CLK
DATA
LATCH
DGND
AVDD
BUF OUT2
BUF NF2
BUF IN2
BB2
VOL OUT2
VOL IN2
GEQ OUT2
DPL2
VCR REC2
EXT REC2
TAPE REC2
MIC IN
K OUT2
KIN2
BP OUT
BP IN
VIDEO/MD
TUNER
TAPE PB
CD
EXT IN
PHONO/AUX
AVss
AGND
PHONO/AUX
EXT IN
CD
TAPE PB
TUNER
VIDEO/MD
DEL
Lch
Rch
33
GRAPHIC EQUALIZER
GRAPHIC EQUALIZER
C314 150P R323
2.2K
R455 10K
R456 4.7K
R453
4.7K
R452
10K
C423
50V10 R418
3.3K
R417
68K
R416
2.2K
C420
1000P C422 470P
C421
0.068
C313 0.1
C316 150P
R324 2.2K
R325 2.2K
PQ
R216
2.2K
R217
68K
R218
3.3K
C220
1000P C222 470P
C221
0.068
C223
50V10
D302
UDZSTE175R1B
R322
270
R321
2.7
C312
0.1
R419
4.7K C424 50V3.3
C320
0.01
R219
4.7K C224 50V3.3
C233
50V10
C433
50V10
R420
100K
R220
100K
R421
1K
R221
1K
Q200,400
KTD1304TA
MUTING
Q306
KRA102STA
MUTING CONT.
Q200
Q400
C317
50V1
R326
68K
R327
150K C318
0.01
IC302
M5218AP
BUFFER AMP
5 6 7 8
4 3 2 1
C425
50V3.3
C225 50V3.3
R425
3.6K R424 18K
C430
47P
C429
100P
C428
16V10
C329
0.1
C437
1000P C432
3300P
R426
100
R448
39 R449 39
C442
50V3.3
C426
0.1 C226
0.1
C227
680P
C427
680P
R422
12K
R423
47K
R222
12K
R223
47K
R225
3.6K R224 18K
C229
100P C230 47P
C228
16V10
C237
1000P
R226
100 C242 50V3.3
C232
3300P
R248
39 R249 39
SCHEMATIC DIAGRAM - 10
To FL CIRCUIT(CP604) on SCHEMATIC DIAGRAM - 15
K
- 7.4V
0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V
0V
0V
0V
0V
7.6V
5V
0V
0V
5.1V
7.5V
7.3V
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 0V 0V 0V 0V 0V 0V 0V 0V
5.1V
7.5V
3.3V
-31V
7.7V
- 7.9V
14.6V
7.7V
9V
5V
10V
0V
0V0V0V-7.9V
0V 0V 0V 7.7V
1.3V 1.1V
(0V)
(2.4V)
0.7V
0V
(-2.4V)
0V
0.7V
(-2.4V)
0V 0.7V
(0.1V)
:NEGATIVE VOLTAGE LINE
:POSITIVE VOLTAGE LINE
:CD SIGNAL LINE
: RECORDING SIGNAL LINE :FM SIGNAL LINE
:AM SIGNAL LINE
:TAPE PLAYBACK SIGNAL LINE

12345678910 11 12
24 23 22 21 20 19 18 17 16 15 14 13
22K
10K
22K
15K
27K
3.3K
3.9K
1.8K
22K
22K
IC301
M62456FPE1
BTL BASS BOOST
2
1
3
4
5
6
7
8
9
10
11
P.GND
GND
+B(4)
-B(1)
FAN1
+B(2)
+B(6)
-VP
LED9V
+B(5)
CN301
FAN2
+B(1)
CN300
2
1
3
4
5
6
7
8
9
10
11
GND1
+B(3)
H.Lch OUT
H.Rch OUT
L.Rch OUT
/CD
HP SW
GND
P.CONT
DC DET
12
12
1
2
CP303
Q352
KRA102STA
DC DET.
Q307
KRC111STA
DC DET.
Q311
KRC111STA
DC DET.
D307
DAP202KT146
D306
DAP202KT146
D309
1SS355TE17
D313
1SS355TE17
R317
1K
C331
50V4.7
R313
39K
R316
15K
M
FAN
MOTOR
U
R
T
R312
2.2
C334
50V10
R338
4.7K
GA FEBDC
D308
1SS355TE17
C325
10V47
C324
10V47
R335
4.7K
R435
27K
R332
820K
D315,D317
1SS355TE17
D315
D317
R232
3.9K R357
100K
R356
15K
D201
R230
47K
C234
0.068
R234
2.2K
C240
50V3.3
C241
100P
R231
18K
R240
43K
C235
6800P
D201
1SS355TE17
R440
43K
D401
1SS355TE17
R430
47K
D401
C441
100P
R431
18K
C435
6800P
C434
0.068
R432
3.9K
R434
2.2K C440 50V3.3
C436
100P
R444
22K
R342
18K
R334
240K
R336
18K R337 8.2K
C322
0.068
C321
10V33
R343
6.8K
C323
0.068
C327
0.1
C328
0.047
C326
8200P
R339
82K
R340
82K
SCHEMATIC DIAGRAM-11
To POWER
AMP CIRCUIT
(CP500)
on
SCHEMATIC
DIAGRAM-16
L
To
POWER
AMP
CIRCUIT
(CP501)
on
SCHEMATIC
DIAGRAM
-16
L
L.Lch OUT
:FRONT MID/HIGHT SP DRIVE SIGNAL LINE
:FRONT LOW SP DRIVE SIGNALLINE:NEGATIVE VOLTAGE LINE
:POSITIVE VOLTAGE LINE :CD SIGNAL LINE
- 7.9V
- 7.9V
14.6V
7.7V
10V
9V
5V
0V 0V 0V 7V 7.7V 0V 0V 0.1V 2.1V 0V
0V0V0V0V0V0V
-7.9V0.1V0V 0V 0V
-0.6V
5.1V
4.2V
4.2V-0.6V
-3.4V
5.1V

S618
(EQ )
KFL CIRCUIT
JOPERATION (2) CIRCUIT
321
183 6542
183 6542
2
1
3
4
5
6
7
4
5
3
6
2
7
1
7
7
8
8
9
7
10
6
11
5
12
4
13
321
14 15 16
R606
68K R609 22K R613 10K R617 6.8K
S607
( CD5)
S610
(CD5)
S613
( CD4)
S617
(CD4)
S604
(CD MANAGER)
R631
4.7K R638 2.7K R644 2.2K R649 1.8K R653 1.2K
S623
( CD3)
S627
(CD3)
S630
( CD2)
S633
(CD2)
S635
( CD1)
S636
(CD1)
R656
1K
R660
1K
R654
330
D611
(CD1)
R655
330
R657
330
R659
330
R661
330
D612
(CD2)
D613
(CD3)
D614
(CD4)
D615
(CD5)
H603
D611-615
SLR325MCT31W
S603
( DECK/OPEN)
R605
10K R608 6.8K R611 4.7K R616 2.7K
S606
(TAPE EDIT)
S609
(REC/STOP)
S612
(REV MODE)
S616
( DECK2 OPEN)
R624
2.2K R633 1.8K R640 1.2K R648 1K
S620
(TUNE DOWN)
S637
(FM MODE/ BP)
S629
(TUNE MODE)
S632
(MEMORY)
S634
(TIME UP)
R652
1K S600
(SOUND CONTROL JOG)
R935
12K
R910
22K
C633
100P
C632
100P
R646
330
D607
SLR325MCT31W
(TRI-AMP)
R647
2.2K
R677
2.7K
R645
4.7K
S601
(TRI-AMP LOW)
S640
(TRI-AMP MID)
S641
(TRI-AMP-HIGH)
R602
6.8K
CP600
CN600 R936
10K
F
G
H
I
S611
(TAPE)
R610
1K
S608
(CD)
R607
1K
S605
(TUNER)
R603
1.2K
R641
1.8K
S602
(AUX/MD)
S628
(ECD MODE)
R639
1K
S621
(PLAY/REC)
R634
1K
S625
(CLOCK/TIMER)
R629
1.2K
S631
(RANDOM)
R604
1.8K
S619
(DISPLAY/DEMO)
R600
2.2K
S615
(S.WOOFER/VBASS)
R623
2.7K
R635
4.7K
R630
6.8K
R618
10K
S614
(EQ )
R615
22K
S639
(3D AI EQ)
R636
68K
R621
330
D603
LNJ301MPUJAD
(S.WOOFER)
R625
330
D600
SLR325MCT31W
(TAPE)
R626
330
D601
SLR325MCT31W
(CD)
R627
330
D602
SLR325MCT31W
(TUNER)
R601
330
D606
SLR325MCT31W
(AUX)
ACEDB
JK600
HEADPHONES
L602
100 H
L600
100 H
L601
10 H
C604
0.022
C606
0.022
C672
0.1 ACBAB DCEDE
R681
1K
R687
1K
C618
100P
C617
100P
IC602
BU2090AF-E2
LED DRIVE
TR1-AMP
CLK
SW
AUX
TAPE
TUNER
CD
LVL2 LVL1
Vcc
DATA
GND
R680
100
C619
0.1
SCHEMATIC DIAGRAM - 12
S626
(EQ )
S622
(EQ )
IOPERATION (1) CIRCUIT
0V
(6.8V) 6.9V 6.9V 0.6V 5.6V 0.6V 5.0V6.8V
0.6V 0V0V
:POSITIVE VOLTAGE LINE :CD PLAYBACK SIGNAL LINE
8.5V

132 4 5 6 8 9 10 11 12 13 14 15 16 17 18
CP606
REST SW
/RST
STAT
SQCK
BLKCK
SPEED
MLD
MDATA
MCLK
P.GND
+B(1)
TX
LD SW
D.GND
+B(2)
Rch IN
A.GND
Lch IN
SUBQ
719
132 4 5 6
H600
+B(6)
SER2
SER5
TPS
DECK1
DECK2
VREF+
VREF-
7 8
2
1
3
4
5
6
7
8
H602
S638
(POWER)
A
B
C
D
E
h
g
VR600
(VOLUME)
321
R902
12K
C615
100P
C616
100P
R904
22K
R951
10K
JK LMN OP Q
R943
10K
R944
10K
R900
10K
Q901-903
RVTDTC143EST
SWITCHING
Q903
Q901
Q902
R971
10K
R972
10K
C674
100P
C675
100P
R970
10K
R954
10K
R955 22K
R956 5.6K
R957 5.6K
R958 5.6K
R959 10K
C900
100P
F
E
D
C
B
A
R939
100K
R940 100K
R941 100K
C901
100P
D640-642
MA700ATA
RS T U V W
R960
1K
R948 4.7K
D647
RVD1SS133TA
R945 100 R946 100 R947 100
D642
D641 D640
X
Y
Z
Q611
KRC102MTA
POWER SUPPLY CONT
Q610
2SA933SSTA
POWER SUPPLY
R938
4.7K
R937
470K
D643
RVD1SS133TA
123 VDDGND OUT
Z602
RCDRPM6937H4
(REMOTE SENSOR)
R700
47
C640
50V4.7
C622
0.01
R950
22K
D644
RVD1SS133TA D645
RVD1SS133TA
R658
100
BACDE
R662
1K
C613
680P
C614
680P
IC601
BU2090AF-E2
LED DRIVE
C611
0.1
8
9
7
10
6
11
5
12
4
13
321
14 15 16
MUTE A
CLK
LEDCTL
REC/PLAY TIMER
G5 G4
G3
G2 G1
Vcc
DATA
GND
/CD
PCONT
D605
SLI325URCT31
(AC-IN)
D604
SLI325DCT31
(REC/PLAY TIMER)
R622
5.6K
R642
3.3K
R694
1.5K
R693
1K
R682
4.7K
R679
820
D617
SLI325DCT31
(FL LED)
Q602
KTA12710YTA
POWER SUPPLY
R663 1K
a
b
d
e
f
SCHEMATIC DIAGRAM - 13
To MECHANISM CONTROL
CIRCUIT(CN1201)
on SCHEMATIC DIAGRAM - 6
BTo CD SERVO CIRCUIT(CN702)
on SCHEMATIC DIAGRAM - 2
A
R695
22K
5V
5V
1.3V
(0V) 0V0V0.2V3.6V
0.2V 4.4V 6.9V 6.9V 6.9V 6.9V 0.6V 5.1V
8.5V 8.5V
7.8V
5.1V
5V
4.3V
0V 4.3V
5V 0V
5V
(2V)
0V
(0.9V)
5V
(0V)
0V
(1.5V)
:POSITIVE VOLTAGE LINE :CD PLAYBACK SIGNAL LINE
8.5V
5.1V

MBP2
R697 220K
R929 10K
IC600
M38199MF227
SYSTEM CONTROL/
FL DRIVE
858687888990919293949596979899100
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
31 32 33 34 35 36 37 38 40 41 42 43 44 45 46
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
CRT/SER4
TPS
DECK1
DECK2
KEY4
KEY3
KEY2
KEY1
ST/DO/SUBQ
CHG CW
CHG CCW
RMT
DCDET
ECONO
SYNC
/RESET
XCOUT
XIN
XOUT
Vss
MBP1
CHG SW2
CHG SW1
CHG PLGR
SPA
GRD3
GRD4
GRD5
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
REG9/SEG9
REG8/SEG8
REG7/SEG7
REG6/SEG6
REG5/SEG5
REG4/SEG4
Vcc
REG3/SEG3
REG2/SEG2
REG1/SEG1
REG IN
EEDATA
EECLK
VEE
AVss
VREF
39
25 CHG HALF
26 MLD/PLLCE
27 MDATA/PLLDA
28 MCLK/PLLCLK
29 RESTSW
30 BLKCK
56
GRD2 55
GRD1 54
GRD13 53
GRD12 52
GRD11 51
GRD10
47
SPB
48 49 50
84
REG10/SEG10
83
SEG11
82
SEG12
81
SEG13
XCIN
SPC
GRD8 GRD9
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG32
SEG31
SEG30
GRD7
GRD6
SER1
SER2
SER3
SER5
SPE
V JOG A/B
J JOG A/B
CHG AD1
CHG AD2
CDRST
STATUS
SQCLK
SD
C629
330P
D618,620,625
RVD1SS133TA
R686
22K
D618
D620
D625
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
V
W
X
Y
Z
a
D633-635,639
RVD1SS133TA
D633
D634
D635
D639
R966 100
R967 100
R928 10K
R927
10K
R930
10K
Q608,609
KTC3199GRTA
SWITCHING(MBP)
R917 680
R934
4.7K
X600
(8MHZ)
C656
68P
Q609
C664
1000P
R931
4.7K
C663
1000P
Q608
C659
56P C657
68P
C661
56P
X601
(32.7KHZ)
C654
18P
C651
15P
R920
330K
R918 10M
R919
100
R926
1K
R964 10K
X
Y
S
U
T
Q607
KRC103MTA
RESET
R932
22K
R933
470
C655
100P
C662
50V2.2
D638
RVD1SS133TA
R949 22K
R911 47K
C647 0.01
C652 100P
C658 50V1
D628
1SS291TA
D627
1SS291TA
G
I
H
K
M
L
J
N
L603
3.3 H
D630
MA723TA
R678
680
C625
6.3V1000
C623
1000P
C624
6.3V100
C626
1000P
R961
10K D646
RVD1SS133TA
OPQR
C670 560P
C646
560P
C644
560P
C645 560P C643 560P
R916 100
R973 100
L
N
M
I
H
G
g
J
e
h
K
Z
F
O
S
T
P
U
W
V
R
Q
R690 100
R691 100
R692 100
R689 100
R696 10K
R683 10K R688 10K R685 10K R684 10K
D629
RVD1SS133TA
C642
16V10
C628
10V22
C627
0.01
C639 100P
C638 560P
C637 560P C636 560P C635 560P C630 560P C631 560P
C665
560P
SCHEMATIC DIAGRAM - 14
5V
5V
5V
4.9V
5.0V
3.9V(3.6V) 4.6V
4.6V
0V(5V)
3.4V
5V
0V
0V
0V
0V
0V(0.6V)
2.7V
3.5V(5V) 5V
3.5V
4.9V
5V
(0.1V)
4.9V(4.6V) 5V(4.5V) 0V(1.1V)
4.9V
4.9V
0V
4.9V
0V(0.2V)
4.9V(4.6V) 5V
5V
4.9V
5V
4.7V 2.9V
4.9V
1.6V 2.4V 2.2V 2.3V
0V
4.9V
0V 0V
-30.3V -12.7V -12.5V -12.7V -28.2V -28.2V
-28.1V
-28.1V
-28.2V
-28.2V
-28.2V
-28.1V
-28.1V
-28.2V
-28.2V
-28.2V
-28.4V
-14.5V
-19V
-10.2V
-12.4V
-14.7V
-19.1V
-19V
-19V
-10.1V
-25.8V
-28.1V
-28.1V
-28.1V
-21.3V
-23.7V
-21.2V
-7.7V
-23.5V
-23.5V
-25.6V -23.3V -27.9V
-28V
-27.9V
-14.5V
-25.7V
-30.3V -30.3V
-30.V
5V
-23.3V -25.6V -25.7V
0.9V
-30.8V
5V
5V
0V 0.7V
0V
0V
0.8V
0V
5V
- 30V
T 7.2ms.
0V
5V
T 7.2ms. - 30V
F=8MHz
1.4V
P- P
F=8MHz
2V
P- P
F=32.7kHz
4.6V
P- P
F=32.7kHz
1.8V
P- P
PLAY
0V
4.8V
F=75kHz
PLAY
0V
4.8V
T 13.3ms.
0V
4.8V
T 13.3ms.
PLAY
0V
4.8V
T 13.3ms.
T 13.3ms.
PLAY
0V
4.8V
5.8V
8.5V
5V
:NEGATIVE VOLTAGE LINE
:POSITIVE VOLTAGE LINE