Service manual

HCD-EH10
2121
HCD-EH10
7-7. SCHEMATIC DIAGRAM – MAIN Section (1/3) –
PIN101
PIN102
R196
R102
D110
D109
R195
CNS112
R123
R121
R124
R125
R101
R107
Q103
R103
R105
R109
Q101
R108
Q102
R104R110
D106
R130R129R128
C112
D111
D113
C101
D108
R126 R127
R106
D131
R140
R144
R145
R146
R147
R148
R149
R150
R139
R138
R137
R136
R135
R134
CNS104
D192 D191
R188
R192
R
1
9
7
R
1
8
5
R
1
9
8
R
1
8
6
R
1
9
9
R
1
8
7
R191
D193
R193
R545
R542 R541
R543
R544
R152
CNP502
W8
C109
C110 C114
C115
C121
C155
C156
C118
C122
C191
C192
C193
C194
C196
JW107
L104
R189
R151R175
R176
HRP501
CNP501
J105
C105
Q122
Q121Q123
Q191 Q192
C535
0.1
Q193
JW166
D107
CN102W002
JW002
PT005
F001
100
100
2A02M
2A02M
100
27P
470k
220k
100
4.7k
10k
470
2SC3052F
47k
100k
470
2SB1274R
100
2SC3052F
100k100k
UDZS8.2B
220470220
2200
25V
10EDB40
10EDB40
3300
25V2A02M
47k 47k
22k
MC2836
470
470
470
470
470
470
470
470
470
470
470
470
470
470
23P
10EDB40 10EDB40
22k
100k
1
0
0
1
0
0
1
0
0
1
00
1
0
0
1
0
0
1k
UDZS3.9B
100k
4.7k
10k 22k
4.7k
4.7k
4.7k
3P
0.01
0.22 0.1
0.1
0.47
0.1
0.1
100
16V
220
10V
220
10V
0.1
0.1
0.1
0.1
22k
4.7k47k
47k
4P
0.1
2SC3052F
2SC3052F2SC3052F
KTC3203 KTC3203
2SA1235F
2A02M
3P3P
T160mAL
250V
A1
A2
A3
A7
A8
A9
A10
A11
A12
A13
A6
A4
A5 A19
A18
A17
A14
A15
A16
TU-CE
TU-CLK
TU-DI
TU-DO
TU-ANSD
RDS-DO
RDS-CLK
TUCE
TUDO
TUDI
TUAS
TUCK
RDSC
RDSD
SCOR
XRST
MIRQ
CCLK
MDAT
MLAT
MREQ
MACK
CLAT
SENS
XTSN
DRMT
MCLK
CCMD
RDSC
RDSD
TUCE
TUDI
TUCK
TUAS
TUDO
CCLK
CCMD
MCLK
MDAT
DRMT
CLAT
MREQ
MLAT
MACK
SCOR
SENS
MIRQ
XTCN
FUSD
XRST
O-TU-CE
O-POWER
I-P-MONI
VSTBY
I-TP_STATE
I-TU_ANSD
O-FUNC-SD
O-TU-CK
I-RDS-SC
I-RDS-SD
U-GND
O-TU_DI
I-TU-DO
O-CD-CLK
O-CD-XLAT
O-CLK-MP3
I-CD-SENS
I-CD-SCOR
I-REQ-MP3
O-CD-XTACN
I-ACK-MP3
O-REQ-MP3
O-XLAT-MP3
O-AMP-ON/XRST
O-CD-CMD
SCOR
SENS
CLK
XRST
XTACN
D-OUT
L-OUT
R-OUT
DVDD(3.3V)
AVDD(3.3V)
AGND
DGND
MGND
IREQ-MP3
REQ-MP3
ACK-MP3
VM(7V)
XLAT-MP3
XLAT
DATA
DATA-MP3
CLK-MP3
I/O-DATA-MP3
O-DR-MUTE
DR-MUTE
(CHASSIS)
(1/3)
DECK
TAPE
MECHANISM
R-CH
L-CH
(REC/PB)
AUDIO IN
AC DETECT
AC DETECTDC DETECT
Q101-103
+9V REGULATOR
(REC/PB)
REC
PB
+3.3V REGUALTOR +3.3V REGUALTOR
AC DETECT
(AC IN)
POWER TRANSFORMER
∗NOT REPLACEABLE:
BUILT IN TRANSFORMER
SW501
-1
-2
CD
BOARD
C
PANEL
BOARD
D
(Page 22)
(Page 19)
(Page 22)
(Page 22)
(Page 23)
(Page 22)
(Page 25)
(Page 22)
(Page 25)
(Page 19)
Ver. 1.4
Refer to SUPPLEMENT-1 for the MAIN section of printed
wiring boards and schematic diagrams of US, Canadian,
Singapore, Taiwan, Korean and Australian models.
When repairing the set of AEP, UK, East European and Russian,
refer to either of original service manual/SUPPLEMENT-1
according to the set.