Schematic Diagram - Panel Board - Sony HCD-EH15 Service Manual

7-4.

SCHEMATIC DIAGRAM - PANEL Board -

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