Sony DHC-FL3 / HCD-FL3 Service Manual ▷ View online
HCD-FL3
57
57
8-27. SCHEMATIC DIAGRAM – CENTER SW AMP Board –
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
no mark : TUNER
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
C553
R552
C552
NO702
CN502
D520
R525
R526
D551
R558
R511
R512
R557
R555
R556
R521
R522
R560
C556
C555
R510
C506
C505
R506
R505
D501
R508
R507
R504
C503
R501
R502
C502
R551
R554
R520
NO802
CN503
JW501
C592
C591
IC501
C551
D591
R591
R592
C594
C593
C923
Q521
Q551
Q523
C508
C507
C521
Q501
R553
R519
C520
R503
C501
C504
C554
Q522
C928
C522
R527
R528
R524
R523
D921
C922
C921
IC922
C927
D521
D552
D502
100p
47k
470p
8P
12P
1SS133T
2.2k
2.2k
1SS133T
15k
100
100
1k
0.22
5W
0.22
5W
2.2k
22k
10
1/2W
0.1
0.1
10
1/2W
0.1
0.1
0.22
5W
0.22
5W
1SS133T
15k
1k
47k
100p
1k
47k
470p
1k
47k
1
9P
10P
0.1
100V
0.1
100V
STK442-130
10
50V
D15XB20
100k
100k
2200
63V
2200
63V
3300
25V
2SA988
2SC1841
2SC1841
22
100V
22
100V
47
100V
2SC1841
1k
22k
1000p
680
10
50V
22
50V
100
10V
10V
2SC1841
100
10V
10V
47
50V
33k
15k
5.6k
68k
D3SBA20
0.01
0.01
TA7809S
10
50V
1SS133T
1SS133T
1SS133T
SW GND
SW
CENTER GND
CENTER
PB-R
REC-R
A-GND
PB-L
REC-L
CENTER
CENTER
CENTER GND
CENTER GND
SW
SW
SW GND
SW GND
POWER GND
POWER GND
STK MUTE
UNREG(M)
UNREG GND
OVER LOAD
M+9V
M-GND
PB-R
REC-R
A-GND
PB-L
REC-L
AC2(VH)
AC2(VH)
AC GND
AC3(MOTOR)
AC3(MOTOR)
A-GND
AC2(VH)
AC GND
AC2(VH)
G
O
I
+9V REGULATOR
RECT
D591
RECT
D921
Q521,522
STANDBY SWITCH
DETECT
OVER LOAD
SWITCH
STANDBY
DETECT
OVER LOAD
2
4
3
1
1
3
4
2
POWER AMP
(Page 51)
(Page 71)
(Page 61)
(Page 60)
HCD-FL3
58
58
8-28. PRINTED WIRING BOARDS – SPEAKER Section –
•
See page 35 for Circuit Boards Location.
D801
D-4
D802
E-4
D803
D-4
D804
I-5
D805
H-5
D806
I-4
D807
F-5
D810
E-10
D850
G-5
D851
G-5
D860
G-5
D861
G-2
D862
G-2
D890
E-7
IC1
I-9
IC2
J-9
IC3
H-8
IC801
A-2
IC802
A-3
IC803
A-4
IC804
A-5
Q2
J-8
Q3
J-8
Q4
J-9
Q5
J-8
Q6
H-7
Q7
I-7
Q8
I-7
Q9
J-8
Q20
I-9
Q21
I-9
Q40
H-8
Q41
H-8
Q801
D-4
Q802
E-4
Q803
D-4
Q804
I-5
Q805
H-5
Q806
I-4
Q807
E-4
Q850
H-5
Q851
G-5
Q852
H-5
Q853
H-6
Q854
I-5
Q855
J-5
Q856
J-5
Q860
G-2
Q861
G-3
Q862
G-3
Q863
G-3
Q864
A-6
Q865
A-5
• Semiconductor
Location
Ref. No.
Location
IC2
IC3
IC1
IC804
IC803
IC802
IC801
R9
JW1019
JW1020
JW1021
JW1022
SP RELAY BOARD
+
–
+
–
+
–
+
–
+
–
+
–
FRONT L
FRONT R
CENTER
S. WOOFER
REAR L
REAR R
SPEAKER
IMPEDANCE
USE 8 − 16Ω
EXCEPT CENTER
16Ω
TM801
M801
(FAN)
(FAN)
M
1
3
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
9
1
BIAS OSC
3
1
4
6
1
8
1
10
11
20
21
31
40
1
4
8
5
-2
-1
-2
-1
-2
-1
-2
-1
-2
-1
-2
-1
-2
-1
E
E
Y
TRANS BOARD
CN914
1
13
1
4
P
FRONT
AMP BOARD
CN402
R
CENTER SW
AMP BOARD
CN502
S
CENTER SW
AMP BOARD
CN503
10
U
PANEL (R)
BOARD
NO811
I
MC BOARD
CN101
H
MC BOARD
CN102
1-684-270-
11
(11)
1-684-271-
11
(11)
E
E
1
2
3
1
2
3
1
2
3
1
2
3
REGULATOR BOARD
HEAD (A) BOARD
1-676-220-
11
(11)
HP901
(PB HEAD)
(DECK A)
HPRE901
(REC/PB/ERASE HEAD)
(DECK B)
HEAD (B) BOARD
1-676-221-
11
(11)
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
9
10
11
12
K
E
E
1
3
(Page 54)
(Page 70)
(Page 46)
(Page 46)
(Page 64)
(Page 56)
(Page 56)
HCD-FL3
59
59
8-29. SCHEMATIC DIAGRAM – REGULATOR Board –
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
no mark : TUNER
C878
C879
C871
C870
C880
C872
C873
C881
Q865
NO704
R873
Q864
IC804
IC803
IC801
IC802
R887
10
16V
10
16V
0.1
50V
50V
0.1
50V
50V
10
16V
0.1
50V
50V
0.1
50V
50V
10
16V
BA1A4M
13P
0
RT1P137L
TA7805S
TA7810S
TA7805S
100
+5V REGULATOR
Q864,865
B+ SWITCH
O
I
G
O
I
G
O
I
G
O
I
G
+5V REGULATOR
+4V REGULATOR
+10V REGULATOR
µPC3504AHF
(Page 61)
HCD-FL3
60
60
8-30. SCHEMATIC DIAGRAM – SPEAKER Section (1/2) –
•
See page 53 for Waveforms.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
[
[
] : TAPE PLAY (DECK A)
{
} : TAPE PLAY (DECK B)
〈〈
〉〉
: REC
Q5
C51
L41
C21
C71
C9
R2
R8
R5
C6
C7
R6
C4
C2
R1
R17
C17
R15
R13
R12
R11
C16
R14
C14
C10
C12
C8
R51
C52
R55
R56
R52
R58
RV53
C56
C57
R90
R35
C42
R40
R34
C40
R41
R36
R42
C43
R43
C45
R45
C47
R44
C46
C44
IC3(2/2)
C48
R47
C49
R49
R46
Q6
Q7
R50
R48
R7
IC1
IC3(1/2)
C72
Q20
Q21
C75
C26
C25
Q4
C33
R28
C32
C31
C30
R27
C29
R26
R25
Q9
Q2
Q3
R20
L40
R30
R29
C34
CN602
CN601
C11
C1
C41
R39
RV2
C73
C23
R31
C35
C27
R33
R32
L21
L71
C74
C24
R68
R18
R21
C76
R71
R72
R22
R23
Q8
CN804
R19
C55
IC2
T301
Q40
Q41
HP901
HRPE901
CN2
CN1
C13
C63
C22
C54
C5
RV52
R4
R54
C28
2SC2001
47
16V
390p
390p
1 50V
4.7k
2.2k
47k
1
50V
2.2
50V
50V
22k
0.1
0.01
3.3k
1M
10
50V
100
100
100
100
100
16V
16V
4.7k
10
50V
10 50V
1 50V
10 50V
3.3k
0.01
47k
22k
4.7k
2.2k
47k
1
50V
2.2
50V
50V
0
100k
1
50V
10k
2.2k
1
50V
1k
10k
1k
470
10V
10V
2.2M
22p
15k
0.01
15k
0.01
100
10V
NJM4558M
10
50V
4.7k
22
50V
10k
10k
2SC2785
BA1A4M
10k
22k
10k
HA12237F
NJM4558M
390p
BN1F4M
BA1A4M
330p
0.01
330p
2SC2001
0.015
18k
0.0068
0.0068
0.018
18k
10
50V
3.3k
2.2k
RT1P137L
2SD1387
BA1A4M
100
5.6
5.6
2.2
50V
50V
8P
3P
1
50V
47
16V
1
50V
10k
220k
27p
27p
22k
0.01
100V
100V
2.2
50V
4.7k
220
27mH
27mH
120p
120p
8.2k
8.2k
10k
0.01
10k
2.2k
2.2k
100
BA1A4M
10P
22k
BA1A4M
BA1A4M
6P
3P
0.0022
0.0022
390p
0.1
220k
4.7k
4.7k
0.1
50V
50V
A3
A6
A7
A8
A9
A10
REC-MUTE
A/B
N/H
ALC
Z3
Z4
Z4
Z3
Z1
Z1
Z2
Z2
TC-MUTE
TC-MUTE
AMS
B
IA
S
RE
C
/P
B
Z5
Z6
Z5
Z6
PB-R
REC-R
A-GND
PB-L
REC-L
A-GND
UNREG(M)
UNREG-GND
M+9V
M-GND
L-PB
R-PB
GND
L-PB
L-REC
R-PB
E-HOT
R-REC
GND
GND
GND
SW
.R1
SW
.P1
CONT
GND
GND
SW
.R2
SW
.P2
(1/2)
DECK A/B SELECT SWITCH,
REC/PB EQ AMP,ALC
REC/PB
SWITCHING
REC/PB
SWITCHING
Q20,21
BIAS OSC
BIAS OSC
Q4,5
MUTING
MUTING
CONTROL
LOW-PASS
FILTER
4
2
3
1
8
5
6
7
BUFFER
BUFFER
BUFFER
Q2,3,9
REC BIAS
SWITCH
L-CH
R-CH
TAPE
1
7
ERASE
R-CH
L-CH
(REC/PB/ERASE)
(DECK B)
(DECK A)
(PB)
MECHANISM DECK
(TCM-230AWR41)
(CHASSIS)
(CHASSIS)
BLOCK
µPD1330HA
220µH
220µH
R9
22k
11
12
13
11
12
(Page 57)
(Page 61)
Click on the first or last page to see other DHC-FL3 / HCD-FL3 service manuals if exist.