Sony HCD-EC55 Service Manual page 80

HCD-EC55/EC77/GX99
Ver. 1.2
SCHEMATIC DIAGRAM — MAIN SECTION (1/2) —
1 2 3 4
A
MAIN BOARD
B
TP601
DC FAN
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
D EC77/GX99
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
( SUPPLEMENT-1 (
TP612
OUT-L 1
Page 10
CN602
10P
RY601
F
C604
0.1
R606
10 C605
TB601 0.1
4P
TP613
L601 R607
G +
10
SPEAKER L
C603 0.01
-
HIGH FREQ.
IMPEDANCE
-
C606 0.01
: USE 8 Ω R
+
R608
TP614 10
L602
1
H
2
3
4
1
5
6
MAIN
7
BOARD
8
I
(2/2)
( (
SUPPLEMENT-1
Page 5
J
HCD-EC55/EC77/GX99
• See page 2 for Waveform.
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
2SC3052F-T1-LF
1 6 . 2
FAN
Q601,Q602 0 . 7
FAN CONTROL
R629
4.7k
PROTECT
Q603
5 . 3 2SC3052F-T1-LF
FAN MONITOR
C613 C614 R630
R601
10 4.7
470 47k
50V 50V
D621
MAZ8043GMLS0
AMP-R
A-GND
AMP-L
2SC3052F-T1-LF
AMP-STBY
R801
100
R806
47k
C803 R811
1 100k
D603 R805
MA111-TX 470k
2SC3052F-T1-LF
R634 R635 R636 +5V REG
47 47 47 7 . 8
R802 R804 R808
22 22 22
R803
R632
100k 2.2k
R633
100k
C615 R807 R810
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
9 10 11 12
AM FREQUENCY
COVERAGE
L801
4 3
C819
2
470p
6 1
TP686
R822 R824 R825
R826
100 470 4.7k
1k
SVC230-TB-E
C823
R827
220
100k
10V
C826
JW802
1000p
7.5
C838 1000p
D802
R814 1PS226-115
R813
22k 3
470k
Q801
2
+3V REG JW801 C805 C806
C804 18p
15 0.47 470p
9 3
C824 TP688
1
R817
R818
R839
47k 10k
C821
3 . 6 R819
X801 2200p R823 R831
33k
10k 2.2k
75kHz
R812 C807 C808 C822
C827
47k 22 R829
1 18p 0.047
C828
50V 4.7k
100p TP687
Q802
19 20 21 22 23 24 25 26 27 28 29 30 31
5
5 . 7 R815 1
10k
R809
100
18 17 16 15 14 13 12 11 10 9 8 7 6
C802
100
16V
C830
2p
R816
1k C843
R830 C829
3.3k 0.47
C831
C832
0.47 0.47
* C814,C815
4700P : EXCEPT US,CND
0.01 : US,CND
R836 6.8k
AM IFT
3 2 1
CF801
R820
4.7k JW803
5.5
R821
L802
4.7k
4 6
FM DETECTOR
JW804
12.5
11
2
4 4
13 14 15 16
D801
SVC347A-TL-E
L805
2 1
3
220uH
AM TRACKING
R837
100k
C835 C836 R838 C837
4 5 6
0.047 0.022 22k 10p
D803
D805
1PS226-115
R841
10k
R843
100k
D804
SVC230-TB-E
C840
0.1
SW-OUT
R842
0
TP689
C841
FM
D806
FREQUENCY 1000p
1PS226-115
TP690
COVERAGE C847
1
0.1
L804
L803
R840
0
FM TRACKING R846
10
C844 C846
10 0.1 0.01
R655 0
FL803
O I
BPF
G
R844
32 33 34 35 36 2.2k TU-CE
TU-DI
IC801
TU-CLK
LV23003VA
TU-ANSD
AM/FM DET.OSC
MIX.PLL.IFAMP TU-DO
5 4 3 2 1 O-FUNC-DATA
R847 0
O-FUNC-CLK
R832 1M
TP-REC-MUTE
0.1 C845 0.22
O-POWER
FL802
FL801
R848
0.01 100
O I
CF
C833
G
C849
220 R849
0.01
10V 220
T801
R850
100
4 3
R852
2.2K
3.3
2
0.8
Q803
C848 2SC5477
0.1
-T122-1
0 . 1
IF-AMP
6 1
R853
680
R851
22
I-P-MONI
O-CD-ON
No mark : CD PLAY
9 14 15 13 16 17 18
MAIN BOARD (2/2)
( SUPPLEMENT-1 (
Page 5
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
B
TP676
REC-L
5 REC-Lch
TP677
REC-R
6 REC-Rch DECK BOARD
TP678
7 M-GND FFC502
TP679
( SUPPLEMENT-1 (
8 9V
TP680
Page 13
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
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
PANEL BOARD
O-CD-REQ
15 O-CD-REQ
CN301
O-CD-CCE
16 O-CD-CCE
( (
SUPPLEMENT-1
O-CD-BUCK
17 O-CD-BUCK
Page 7
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