CMT-DC1K, HCD-DC1K - Sony Audio Service Manual (repair manual). Page 21

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HCD-DC1K
22
22
TAPE DECK BLOCK
SUPPLIED WITH
THE ASSEMBLED
BLOCK
B
MAIN BOARD
CN301
CASSETTE HOLDER
BACK LIGHT
2
HEAD
RELAY
BOARD
HRPE901
RECORD/PLAYBACK/ERASE
L-CH
R-CH
ERASE
1-681-239-
13
(13)
TC BOARD
8
17
A
B
C
D
E
1
2
3
4
5
C420
JW404
D401
A
K
(CHASSIS)
(CHASSIS)
(CHASSIS)
6-7.
PRINTED  WIRING  BOARD  – TC Board –
 See page 18 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
(Page 27)
D401
D-2
IC401
D-4
IC402
D-4
Q401
D-2
Q402
D-2
Q403
D-2
Q406
C-5
Q407
C-4
Q413
D-3
Q414
C-4
HCD-DC1K
23
23
6-8.
SCHEMATIC  DIAGRAM  – TC Board –
 See page 19 for Waveforms.
 See page 33 for IC Block Diagram.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : PB
(
) : REC
(Page 24)
HCD-DC1K
24
24
6-9.
SCHEMATIC  DIAGRAM  – MAIN Board (1/3) –
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
) : CD
[
] : MD
〈〈
 
〉〉
: TAPE
(Page 25)
(Page 23)
(Page 26)
(Page 26)
(Page 26)
(Page 26)
(Page 26)
(Page 21)
HCD-DC1K
25
25
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
) : CD
[
] : MD
〈〈
 
〉〉
: TAPE
6-10. SCHEMATIC  DIAGRAM  – MAIN (2/3)/LOADING MOTOR/HEADPHONE Boards –
 See page 33 for IC Block Diagrams.
(Page
24)
(Page 26)
(Page 26)
(Page 31)
HCD-DC1K
26
26
6-11. SCHEMATIC  DIAGRAM  – MAIN (3/3)/LCD Boards – •
 See page 19 for Waveforms.
(Page 24)
(Page 24)
(Page 25)
(Page 25)
(Page 24)
(Page 29)
(Page 24)
(Page 24)
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
) : CD
[
] : MD
〈〈
 
〉〉
: TAPE
HCD-DC1K
27
27
1
5
1
5
10
L
R
L
R
AUDIO IN
MD (VIDEO)
OPTICAL
DIGITAL OUT (CD)
1
3
+
+
SPEAKER
IMPEDANCE
USE 6 – 16
G
POWER BOARD
CN902
(CHASSIS)
(CHASSIS)
1
15
2
14
1-680-953-
22
(22)
15
JW483
JW404
14
1
2
1
5
9
E
C
B
E
C
B
E
C
B
1
5
11
TUNER PACK
SUPPLIED WITH
THE ASSEMBLED BLOCK
TC BOARD
CN301
B
F
CD BOARD
CN101
A
MAIN BOARD
LCD BOARD
SWITCH BOARD
CN805
17
2
19
2
C375
18
M
1-681-807-
11
(11)
1-682-409-
11
(11)
1-682-412-
11
(11)
S1
OPEN
CLOSE
S1
DISC TRAY OPEN/CLOSE
DETECT
1
16
15
2
3
TU1
CN803
LCD801
LIQUID CRYSTAL DISPLAY
36
19
17
2
2
25
20
15
10
5
D866
D867
D868
D869
        
CN810
CNP501
C161
C261
 
L102
L202
FB304
FB305
FB303
FB301
LCD
BACK
LIGHT
LCD
BACK
LIGHT
HEADPHONE
BOARD
PHONES
J301
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C373
C364
C363
L306
L307
C346
JW484
JW485
FB302
A
K
K
A
D320
D321
LOADING MOTOR BOARD
M901
(LOADING)
A
K
D323
K
A
D322
6-12. PRINTED  WIRING  BOARDS  – MAIN/LCD/LOADING MOTOR/HEADPHONE Boards –
 See page 18 for Circuit Boards Location.
Ref. No.
Location
Ref. No.
Location
• Semiconductor Location
D303
H-8
D304
G-7
D305
C-11
D306
B-11
D307
I-9
D308
J-8
D309
G-9
D310
H-9
D311
I-11
D320
G-8
D321
G-8
D322
A-9
D323
A-9
D601
I-7
D602
I-7
D801
D-8
D802
D-7
D807
H-7
D808
E-10
D811
E-9
D812
H-8
D813
B-8
D866
B-1
D867
B-1
D868
B-5
D869
B-5
IC101
C-12
IC201
G-12
IC301
H-8
IC302
J-11
IC304
J-10
IC306
I-8
IC320
G-7
IC321
C-12
IC323
F-10
IC324
E-11
IC801
C-7
IC803
B-8
Q100
G-9
Q200
G-9
(Page 22)
(Page 20)
(Page 28)
(Page 30)
Ref. No.
Location
Ref. No.
Location
Q301
C-11
Q302
B-11
Q303
B-11
Q304
C-11
Q305
J-9
Q306
J-8
Q307
I-8
Q308
I-8
Q312
D-10
Q313
D-10
Q330
G-9
Q355
J-11
Q601
J-7
Q602
I-7
Q603
J-7
Q604
I-7
Q605
I-7
Q606
I-7
Q607
I-8
Q608
I-8
Q609
I-7
Q661
I-7
Q662
I-7
Q801
C-10
Q802
F-7
Q803
F-7
Q804
F-7
Q805
F-7
Q806
E-8
Q807
F-7
Q808
F-7
Q809
B-10
Q810
B-10
Q811
B-10
Q813
B-10
Q815
D-11
Q816
D-11
Q817
D-11
Q818
D-11
Q890
E-9
Q891
E-9
HCD-DC1K
28
28
S804
S806
S807
S808
S809
S810
S811
S812
D856, S812
S813
D853, S813
D856
S814
S815
S816
RV801
ROTARY
ENCODER
IC802
C615
1
2
3
CN805
D855
D854
JW601
JW602
JW603
JW604
JW605
JW606
JW607
JW608
JW612
JW611
JW609
JW610
D852
S803
S805
S802
D852, S802
D853
CN806
JW613
C612
C613
R675
R667
R668
R600
C614
L602
R659
R653
R663
R680
Q856
R662
R661
R660
R691
R654
R655
R692
Q853
R658
R699
R687
Q854
R698
R684
R656
Q852
R657
R679
Q855
MAIN BOARD
CN801
(TAPE)
(TAPE)
(CD)
(TAPE)
(CD)
(CD)
(TAPE)
(CD)
(CD)
(TUNING)
(TUNING)
(TAPE)
D855, S807
CNP806
S801
1
16
15
2
L601
JW614
SWITCH BOARD
I/O SWITCH BOARD
F
VOLUME
DSG
X
x
x
+
n N
M
Z
m
M
m
u
1-682-411-
11
(11)
CD
SYNC
FUNCTION
TUNER
/BAND
S801 – 816
I/1
1-682-417-
11
(11)
A
B
C
D
1
2
3
4
5
6
7
8
6-13. PRINTED  WIRING  BOARDS  – SWITCH/I/O SWITCH Boards –
 See page 18 for Circuit Boards Location.
(Page 27)
D852
D-7
D853
C-7
D854
D-2
D855
B-7
D856
C-4
IC802
D-2
Ref. No.
Location
Ref. No.
Location
• Semiconductor Location
Q852
D-7
Q853
B-8
Q854
C-8
Q855
D-2
Q856
C-3
HCD-DC1K
29
29
6-14. SCHEMATIC  DIAGRAM  – SWITCH/I/O SWITCH Boards –
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
S801
CNP806
CN806
CN805
S812
S811
S810
S809
S808
R660
R661
R662
R663
R653
R654
R655
R656
S802
R657
S803
S804
S805
S806
S816
R691
S815
S814
R692
S813
R684
C613
C612
R668
R667
R680
D856
R675
R699
D855
D854
R679
R687
D853
R698
R659
R658
S807
C615
C614
R600
D852
RV801
IC802
Q853
Q852
Q854
Q855
Q856
2P
2P
16P
820
1.2k
1.8k
3.3k
3.3k
1.8k
1.2k
820
680
1.2k
820
680
22000p
22000p
100k
100k
560
SLR325VR-T31
4.7k
560
SY3318-V
SLR325VR-T31
560
560
SY3318-V
560
4.7k
680
4.7
16V
0.01
4.7k
SY3318-V
NJL64H400A-1
DTC114EKA-T146
DTC114EKA-T146
DTC114EKA-T146
DTC114EKA-T146
DTC114EKA-T146
A1
A2
A3
A4
A5
A1
A2
A3
A4
A5
TC-LED
TU-LED
JOG-B
JOG-A
KEY3
KEY2
KEY1
D-GND
RMC
P-GND
CD-LED
CD SYNC
5V
D.S.G
8V
PBC-LED
(CD)
CD
SYNC
(TAPE)
TUNER
/BAND
DSG
TUNER
/BAND
+
-
VOLUME
B
A
COM
FUNCTION
CD SYNC
CD
TAPE
TUNING
V
O
G
(ROTARY ENCODER)
REMOTE CONTROL
RECEIVER
L601
1
µ
H
L602
1
µ
H
(Page 26)
HCD-DC1K
30
30
POWER BOARD
2
(AC IN)
SUB POWER
TRANSFORMER
MAIN POWER
TRANSFORMER
*
*
NOT REPLACEABLE:
BUILT IN TRANSFORMER.
1-682-413-
11
(11)
MAIN BOARD
CNP101
G
JW920
JW921
JW912
JW913
A
B
C
D
E
F
G
1
2
3
4
5
6
6-15. PRINTED  WIRING  BOARD  – POWER Board –
 See page 18 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
(Page 27)
D902
G-5
D903
F-5
D904
G-5
D905
F-5
D906
C-5
D907
C-4
D908
C-5
D909
C-4
D910
B-3
D911
B-3
D912
B-3
D913
B-3
D915
A-4
D917
A-5
D918
C-4
Q901
A-5
Q902
B-4
HCD-DC1K
31
31
6-16. SCHEMATIC  DIAGRAM  – POWER Board –
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(Page 25)
The components identified by mark 
0
 or dotted
line with mark 
0
 are critical for safety.
Replace only with part number specified.

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