Read Sony CMT-EH15 / HCD-EH15 Service Manual online
HCD-EH15
HCD-EH15
17
17
7-4. SCHEMATIC DIAGRAM - PANEL Board -
• See page 13 for Waveforms. • See Page 24 for IC Pin Function Description.
SW705
R767
R763
R721
R734
R775
R719
R718
R713
R772
R779
C726
C701
C702
C711
R720
R722
R742
R743
R744
R745
R746
R750
R753
R759
R762
R765
R766
R784
R701
IC703
R768
R777
C721
C722
R792
R793
C729
D702
Q702
Q703
Q704
Q705
Q706
Q707
IC701
C712
R736
R727
R783
Q701
D701
R730
R761
C725
C704
C727
C731
C728
R757
R714
C724
R738
R739
R754
C710
R723
X702
C716
R789
R790
R791
C719
R764
R760
R733
R770
R748
C723
R788
R751
R749
R747
R740
R702
R774
C706
R755
R711
R710
R709
R708
R707
R706
R705
R704
R703
L701
R728
C732
C707
C733
D801
D804
CNP701
CNP706
R732
R787
LED702
CNP703
L702
X701
R781
R782
LCD702
SW704
SW703
SW702
SW701
SW706
SW707
SW708
SW710
SW711
LED701
SW750
R785
R741
CNA750
SW700
220k
22k
470
1k
47
1k
1k
10k
22k
220k
0.01
0.1
0.01
0.1
1k
1k
1k
1k
2.2k
10k
2.2k
2.2k
100
100
2.2k
4.7k
10
100k
470
NJL24H400A
47
47
0.001
0.001
10k
10k
0.001
MC2836-T11
2SC3052F-T
2SC3052F-T
RT1N441C-T
2SC3052F-T
2SC3052F-T
2SC3052F-T
MB90F830PF-GE1
0.1
1k
1k
0
ISA1235AC1TP
-1EF
UDZW-TE17-
1k
47k
100
6.3V
470
4V
47p
0.1
47p
100k
10k
0.0047
10k
10k
10k
1
470
5.53MHz
0.1
1k
1k
1k
0.047
22k
100k
47k
47k
47k
0.001
1k
1k
1k
4.7k
4.7k
1k
1k
0.1
100k
1k
1k
1k
1k
1k
1k
1k
1k
1k
0
10k
18p
0.001
22p
1N4002-B5
1N4002-B5
21P
17P
47k
47k
1L4345V22DOTDT02
0
32.768KHz
SELU2B10A-SLF62
10k
4.7k
2P
2
8
33
36
39
40
43
45
55
56
57
25
23
26
34
2
46
23
46
40
33
36
34
45
26
57
56
55
39
25
4
43
3
11
10
8
7
6
5
12
3
4
5
6
7
10
11
12
VCC
VSS
AV
C
C
A
VSS
VSS
V3
COM0
COM1
SEG0
SEG1
VCC
VSS
SEG2
SEG3
SWG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
VCC
VSS
X1
X0
9V
DGND
P-MONITER
TP_STATE
FUNC_SDA
AMP_ON
AGND
CD_R
CD_L
CD_DVDD 3.3V
CD_AVDD 3.3V
POWER_ON
CD_ON
TU_DO
TU_ANSD
TU_CK
TU_DI
TU_CE
RDS_SD
RDS_SC
9V
ZDET
M_MUTE
MGND
VM(7V)
DVDD(3.3V)
D_OUT
DGND
SBSY
REQ
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
RST
AGND
LOUT
ROUT
AVDD(3.3V)
REQ
MMUT
BUS0
BUS1
BUS2
BUS3
RMC
LED_STBY
CD_ON
TU_DO
RDS_DATA
BUCK
FUNC_SDA
P_MONI
KEY1
KEY2
TU_ASD
TP_ST
A
TE
HOLD
SBSY
RDS_CLK
SUFIX
RE_VOL
TU_DI
TU_CLK
TU_CE
MD2
MD1
MD0
RESET
X2
X3
DAC_GND
MGND
MGND
KEY0
VSTBY
LED
AMP_ON
CD OPEN/CLOSE
POWER_ON
NC
NC
NC
NC
FUNCTION
DSGX
(AEP,UK)
(AEP,UK)
5P
7P
7P
(EXCEPT AEP,UK)
STANDBY
VOLTAGE DETECT
Q705,706
SWITCH
RESET
REGULATOR
Q701-703
NC
NC
NC
NC
NC
CCEN
XRST
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
COM3
COM2
NC
NC
NC
NC
SYSTEM CONTROLLER
R782
0
4.7K
(SP,TW,KR,TH)
(CND,RU,E51,MX,BR,AR,AUS)
0
R781
(AEP,UK)
220 (RU)
470 (E51,MX,AR)
470 (E51,MX,AR)
1K
(CND,BR)
4.7K (AUS)
(CND,AEP,RU,UK,E51,MX,BR,AR,AUS)
(EXCEPT AEP,UK)
VOLUME
ROTARY
ENCODER
LIQUID
CRYSTAL
DISPLAY
REMOTE CONTROL
RECEIVER
+
-
CD
TUNER/
BAND
-
TUNING
+
(LCD BACK LIGHT)
LED DRIVE
OPEN/CLOSE
DETECT
CD LID
R771
39k
Q714
ISA1235AC1TP
-1EF
R799
100k
100k
R798
47k
Q713
RT1N441C-T
B+ SWITCH
Q713,714
(Page 19)
(Page 19)
(Page
15)
Ver. 1.2
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