Read Sony HCD-EC55 / HCD-EC77 / HCD-GX99 Service Manual online
4
4
HCD-EC55/EC77/GX99
HCD-EC55/EC77/GX99
SCHEMATIC DIAGRAM — MAIN SECTION (1/2) —
•
See page 2 for Waveform.
3
1.3
9 . 2
1 6 . 9
1 6 . 2
0 . 7
5 . 3
0
9
7 . 8
3
5
3 . 6
5 . 7
1.5
3
2.2
0
1.2
0
0
0
9
5
5
5
5
5
0
0
0
0
2.3
2.3
5
3.7
4
2.2
2.2
5
5
2.5
2.2
2.2
No mark : CD PLAY
3.3
0.8
0 . 1
DECK BOARD
FFC502
MAIN BOARD (2/2)
PANEL BOARD
CN301
B
2
I
ANTENNA
FM/AM
EXCEPT US,CND
1
C814,C815
4700P : EXCEPT US,CND
0.01 : US,CND
HI-AMP BOARD
CN101
(
(
SUPPLEMENT-1
Page 10
C
MAIN
BOARD
(2/2)
1
SPEAKER
HIGH FREQ.
IMPEDANCE
: USE 8
L
R
-
+
Ω
FAN
DC
EC77/GX99
MAIN BOARD
(1/2)
+
-
*
*
*
*
*
*
*
*
*
(
(
SUPPLEMENT-1
Page 5
(
(
SUPPLEMENT-1
Page 5
(
(
SUPPLEMENT-1
Page 7
(
(
SUPPLEMENT-1
Page 13
L602
L601
R606
10
R608
10
R631
10
C605
C603
C606
0.1
C616
0.1
R607
10
C615
0.1
C604
0.1
R634
47
R636
47
R635
47
1
2
3
3P
CN601
VDD+
GND
VDD+
2SC3052F-T1-LF
Q602
2SC3052F-T1-LF
Q603
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
27P
CN607
O-TU-CE
O-TU-DI
O-TU-CLK
I-TU-ANSD
I-TU-DO
O-FUNC-DATA
I-TP-STATE
O-FUNC-CLK
O-TP-REC-MUTE
O-POWER
I-CD-ZDET
O-CD-M-MUTE
O-AMP-ON
O-CD-SBSY
O-CD-REQ
O-CD-CCE
O-CD-BUCK
I/O-BUS3
I/O-BUS2
I/O-BUS1
I/O-BUS0
O-CD-RST
I-P-MONI
O-CD-ON
D-GND
V-STBY
M-GND
JACK,PIN1P
J601
R831
2.2k
R807
22k
R809
100
R801
100
C804 18p
R825
4.7k
R816
1k
C806
470p
C847
0.1
R846
10
R838
22k
R832 1M
SVC347A-TL-E
D801
C848
0.1
C805
0.47
R805
470k
C846
0.01
R823
10k
R827
100k
C820
5p
C841
1000p
R803
2.2k
16V
100
C802
C827
0.047
R842
0
C834
10p
R806
47k
R824
470
R815
10k
C822
22
50V
R814
22k
10V
220
C833
0.01
FL801
C808
18p
C817
0.01
C829
0.47
C837
10p
CF801
C811
100p
R844
2.2k
C826
1000p
C845
0.22
C807
1
C823
220
10V
2SC3052F-T1-LF
Q802
1PS226-115
D806
1PS226-115
D805
R813
470k
5.5
JW803
C831
0.47
R841
10k
SVC230-TB-E
D804
1
2
3
C816
0.01
C819
470p
C836
0.022
C810
100p
R826
1k
C830
2p
C843
0.1
C844
0.1
R839
10
R812
47k
SVC230-TB-E
D803
1
2
3
C832
0.47
R847 0
L803
C821
2200p
C840
0.1
R810
4.7k
R817
47k
47k
R829
4.7k
C809
100p
R843
100k
C828
100p
C835
0.047
0.047
C838 1000p
1PS226-115
D802
1
3
2
R811
100k
100k
R818
10k
2SC3052F-T1-LF
Q801
R837
100k
R840
0
31
32
33
34
35
36
1
2
3
4
5
6
30
29
28
27
26
8
7
9
10
11
21
22
23
24
25
12
13
14
15
20
19
16
17
18
LV23003VA
IC801
AM RF-IN
REG
FM-MIX
GND1
AM-MIX
VCC1
AM IF-IN
FM IF-IN
P-DET
P-COMP
FM-DET
L-OUT
R-OUT
VSS
CE
DI
CL
DO
XIN
XOUT
VDD
MPX-IN
FM DET
-OUT
AM DET
-OU
AGC
PD
LP-IN
LP-OUT
BO1
BO2
AM-OSC
FM-OSC
VCC2
FM RF-OUT
GND
FM RF-IN
1
2
3
CN801
3P
AM
GND
FM
1
6
2
3
4
5
220uH
L805
6
2
1
3
4
T801
1
3
4
6
2
L802
R822
100
TP686
R655
0
25V
47
C601
D603
MA111-TX
C803
1
TP601
TP602
TP603
TP604
TP605
TP606
TP607
TP608
TP609
TP610
TP611
TP612
TP613
TP614
TP656
TP657
TP658
TP659
TP660
TP661
TP662
TP663
TP664
TP665
TP666
TP667
TP668
TP669
TP670
TP671
TP672
TP673
TP674
TP675
TP676
TP677
TP678
TP679
TP680
TP681
TP682
TP683
TP684
TP685
BPF
G
I
O
FL803
1
2
3
4
5
6
7
8
9
10
CN602
10P
OUT-L
-VH
+VH
OUT-R
PA-GND
PROTECT
AMP-ON
IN-L
A-GND
IN-R
7.5
JW802
15
JW801
12.5
JW804
R819
33k
R830
3.3k
R836 6.8k
R820
4.7k
R821
4.7k
C815
C814
1
2
3
4
5
6
7
8
9
9P
CN606
9V
PB-Lch
PB-Rch
A-GND
REC-Lch
REC-Rch
M-GND
9V
I-TP-STATE
L804
R724
R725
C824
1
TP687
TP688
TP689
TP690
KTA1266GR-AT
Q601
1
2
3
4
6
L801
TB601
CF
G
I
O
FL802
0.1
C679
2200p
C683
2200p
C690
0.01
C692
R630
47k
50V
4.7
C614
50V
22
C602
50V
10
C613
R626
10k
4.7k
R627
R726
5.5
JW750
D621
2200p
C681
R633
100k
R632
100k
X801
75kHz
22
R804
22
R808
R802
22
RY601
R604
100k
R603
R603
R605
R629
4.7k
R601
470
D622
AMP-R
A-GND
AMP-L
AMP-STBY
I/O-BUS0
I/O-BUS2
O-CD-BUCK
O-CD-REQ
O-CD-M-MUTE
I-CD-ZDET
O-CD-ON
I-P-MONI
O-FUNC-DATA
O-FUNC-CLK
TP-REC-MUTE
O-POWER
PB-L
SW-OUT
TU-CE
TU-DI
TU-CLK
TU-DO
TUNER-R
TUNER-L
TU-CE
TU-DI
TU-CLK
TU-ANSD
TU-DO
PB-R
REC-L
REC-R
O-CD-RST
I/O-BUS1
I/O-BUS3
O-CD-CCE
O-CD-SBSY
FAN
PROTECT
TU-ANSD
Q601,Q602
FAN MONITOR
FAN CONTROL
+5V REG
+3V REG
AM FREQUENCY
COVERAGE
AM TRACKING
FM TRACKING
FREQUENCY
COVERAGE
COVERAGE
AM/FM DET.OSC
MIX.PLL.IFAMP
FM DETECTOR
AM IFT
SUBWOOFER
OUT
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16 17 18
1
FM
PLUG CONNECTOR (2.5MM)
GX99
15
4.7 : EC77 : US,CND/GX99
5.6 : EXCEPT EC77 : US,CND/GX99
5.6 : EXCEPT EC77 : US,CND/GX99
EC77 :
US,CND/GX99
US,CND/GX99
4P
R848
100
R849
220
C849
0.01
R850
100
R852
2.2K
Q803
R851
22
R853
680
IF-AMP
2SC5477
-T122-1
-T122-1
R724,R725,R726
15 : EC77 : US,CND/GX99
22 : EXCEPT EC77 : US,CND/GX99
22 : EXCEPT EC77 : US,CND/GX99
0.01
0.01
MAZ8082GMLS0
MAZ8043GMLS0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
A
B
C
D
E
F
G
H
I
J
Ver. 1.2
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