Schematic Diagram - Main Section (1/2) - Sony HCD-EC55 Service Manual

HCD-EC55/EC77/GX99
Ver. 1.2
Q Q
7-7. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) —
3 7 6 3 1 5 1 5 0
1 2 3 4
A
MAIN BOARD
B
DC FAN TP601
VDD+ 1
C601
GND 2 47
25V
VDD+ 3
TP602
CN601
D622
3P
MAZ8082GMLS0
C
* R603
4.7 : EC77 : US,CND/GX99
5.6 : EXCEPT EC77 : US,CND/GX99
EC77 :
US,CND/GX99
R604
100k 0
R603
R605 C602
* 22
15
50V
EC77/GX99
D
TP603
IN-R 10
TP604
A-GND 9
TP605
IN-L 8
TP606
AMP-ON 7
TP607
PROTECT 6
C
TP608
PA-GND 5
E
TP609
OUT-R 4
HI-AMP BOARD
TP610
+VH 3
CN101
TP611
-VH 2
(Page 42)
TP612
OUT-L 1
CN602
10P
RY601
F
T E
L 1 3 9 4 2 2 9 6 5 1 3
C604
0.1
R606
10
C605
TB601
0.1
4P
TP613
L601
G + R607
SPEAKER 10
L
C603 0.01
-
HIGH FREQ.
IMPEDANCE -
0.01
R C606
: USE 8 Ω
+
R608
10
TP614
L602
1
H
2
3
4
1
5
6
MAIN
7
BOARD
8
I
(2/2)
(Page 37)
J
w w w
HCD-EC55/EC77/GX99
• See page 48 for Waveform. • See page 49 for IC Block Diagram.
5 6 7 8
(1/2)
* R724,R725,R726
15 EC77 : US,CND/GX99
22 EXCEPT EC77 : US,CND/GX99
9 . 2 1 6 . 9
R726 R725 R724 JW750
R626 * *
* 5.5
10k
Q601
R627
KTA1266GR-AT
4.7k
Q602
1 6 . 2 2SC3052F-T1-LF
FAN
0 . 7
Q601,Q602
FAN CONTROL R629
4.7k
PROTECT
Q603
5 . 3
2SC3052F-T1-LF
FAN MONITOR
C613 C614
R601
4.7
470 10
50V 50V
D621
MAZ8043GMLS0
AMP-R
A-GND
AMP-L
2SC3052F-T1-LF
AMP-STBY
+3V REG
9
R801
100
R806
47k
R811 R812
C803
1 100k 47k
D603 R805
MA111-TX Q802
470k
2SC3052F-T1-LF
R634 R635 R636 +5V REG
47 47 47 7 . 8
R802 R804 R808
22 22 22
R803
R632
2.2k
100k
R633
100k R807 R810
C615
4.7k
0.1 22k
C616
0.1
R631 TU-ANSD TU-DO
10
TU-CLK
TU-DI
TU-CE
TUNER-R
TUNER-L
12 10
x a o
y
. i
http://www.xiaoyu163.com
9 10 11 12
AM FREQUENCY
COVERAGE
L801
4 3
C819
2
470p
1
6
TP686
R826
R822 R824 R825
D803
100 470 4.7k 1k
SVC230-TB-E
R827
C823
100k
220
10V
C826
1000p
JW802
7.5
C838 1000p
D802
1PS226-115
R814
R813
22k
470k 3 1
Q801
C804 2
JW801 C805 C806
18p
15 0.47 470p
3
C824 TP688
1
R817
R818 R839
47k C821
10k 10
3 . 6 X801 R819
2200p R823
33k R831
10k
75kHz
2.2k
C807 C808
C827
C822
1 18p R829
0.047
22 C828
4.7k
50V 100p TP687
19 20 21 22 23 24 25 26 27 28 29 30 31 32
5
5 . 7 R815 1
10k
R809
100
Q Q
18 17 16 15 14 13 12 11 10 9 8 7 6
3 7 6
C802
100
16V
R832 1M
R816
1k C843
R830 C829
C830
3.3k 0.47
2p
C832 C831
0.47 0.47
C833
*
C814,C815
220
4700P : EXCEPT US,CND
10V
0.01 : US,CND
R836 6.8k
* *
AM IFT
3 2 1
CF801
R820
JW803
4.7k
5.5
R821
L802
4.7k
4 6
FM DETECTOR
JW804
12.5
11
2
u 1 6 3
36 36
http://www.xiaoyu163.com
2 4
8 9 9
13 14 15 16
D801
SVC347A-TL-E
L805
3 2 1
220uH
AM TRACKING
R837
100k
C835 C836 R838 C837
4 5 6
0.047 0.022 22k 10p
D805
R841 1PS226-115
10k
R843
100k
C840
D804
0.1 SVC230-TB-E
R842 SW-OUT
0
TP689
FM C841
D806
1000p
FREQUENCY 1PS226-115
TP690
COVERAGE C847
0.1
L804
L803
R840
0
FM TRACKING R846
10
C844 C846
0.1 0.01
R655
0
FL803
O I
BPF
G
R844 2.2k
33 34 35 36 TU-CE
IC801
TU-DI
LV23003VA
TU-CLK
AM/FM DET.OSC
MIX.PLL.IFAMP TU-ANSD
TU-DO
IC B/D
5 4 3 2 1 O-FUNC-DATA
3 1 5 1 5 0 8 9
R847 0
O-FUNC-CLK
TP-REC-MUTE
0.1 C845 0.22
O-POWER
FL802
FL801
R848
0.01
100 I
O
CF
G
R849
C849
220 0.01
T801
R850
4 3
R852
100
2.2K
3.3
2
0.8
Q803
2SC5477
-T122-1
0 . 1
IF-AMP
6 1
R853
C848
680
0.1
R851
22
I-P-MONI
O-CD-ON
No mark : CD PLAY
9 14 15 13 16 17 18
MAIN BOARD (2/2)
(Page 37)
m
c o
.
2
8 9 9
17 18 19
CN801
3P
PLUG CONNECTOR (2.5MM)
TP683
1 AM
TP684 ANTENNA
2 GND
FM/AM
TP685
3 FM
GX99
J601
JACK,PIN1P
TP681
SUBWOOFER
OUT
TP682
EXCEPT US,CND
CN606 9P
TP672
1 9V
PB-L TP673
2 PB-Lch
TP674
PB-R
3 PB-Rch
TP675
4 A-GND
TP676
REC-L
5 REC-Lch
B
REC-R TP677
6 REC-Rch
TP678
7 M-GND
DECK BOARD
TP679
FFC502
8 9V
TP680
(Page 45)
9 I-TP-STATE
CN607 27P
TP656
1 O-TU-CE
TP657
2 O-TU-DI
TP658
3 O-TU-CLK
TP659
4 I-TU-ANSD
TP660
5 I-TU-DO
TP661
2 4 9 8 2 9 9
6 O-FUNC-DATA
TP662
7 I-TP-STATE
TP663
8 O-FUNC-CLK
TP664
9 O-TP-REC-MUTE
TP665
10 O-POWER
I-CD-ZDET
11 I-CD-ZDET
O-CD-M-MUTE
12 O-CD-M-MUTE
TP666
I
13 O-AMP-ON
O-CD-SBSY
14 O-CD-SBSY
O-CD-REQ PANEL BOARD
15 O-CD-REQ
CN301
O-CD-CCE
16 O-CD-CCE (Page 39)
O-CD-BUCK
17 O-CD-BUCK
I/O-BUS3
18 I/O-BUS3
I/O-BUS2
19 I/O-BUS2
I/O-BUS1
20 I/O-BUS1
I/O-BUS0
21 I/O-BUS0
O-CD-RST
22 O-CD-RST
TP667
23 I-P-MONI
TP668
24 O-CD-ON
TP669
25 D-GND
C679 C681 C683 C690 C692
TP670
0.1 2200p 2200p 2200p 0.01
26 V-STBY
TP671
27 M-GND