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CMT-DC1, HCD-DC1 - Sony Audio Service Manual (repair manual). Page 25

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HCD-DC1
25
25
CN501
IC301
R160
R260
C260
C160
C242
R243
R241
R141
R307
C142
R143
C143
C307
C306
TH1
TH2
C309
C308
C312
C313
R340
C317
C319
C320
C321
C322
D304
C315
FB302
C314
R309
CN401
R245
C245
C244
L101
C363
C364
L201
C144
C145
R144
Q818
C243
C161
C261
L202
4.7
µ
H
L102
4.7
µ
H
R308
CNP101
M901
J301
IC101
Q355
IC201
IC320
CN1
SJ301
JR307
CNP501
Q816
Q815
Q817
JR323
C240
C140
C241
C141
L305
0.47
µ
H
C310
C311
IC304
D310
D303
C318
IC302
TH2
TH1
C361
L306
FB302
C316
D311
R142
R140
R240
R242
FB303
FB304
FB301
FB304
FB303
FB305
FB305
4P
KIA7805API
56
56
100 16V
100
16V
470p
100k
22k
22k
10k
470p
100k
22 50V
4.7
50V
10
50V
4700
35V
4700
35V
220
16V
1000p
100
0.1
0.1
220
16V
0.1
220
16V
MTZJ-T-77-4.7C
47
16V
0.1
10
5P
4.7
0.1
0.1
1000p
1000p
0.1
0.1
4.7
DTC343TK
22 50V
0.022
0.022
4.7k
9P
TDA7296
KTC2026
TDA7296
KA3082
5P
4P
0
4P
DTC343TK
-T-146
DTC343TK
-T-146
DTC343TK
-T-146
0
2.2
50V
2.2
50V
47
50V
47
50V
3300
25V
1000
25V
KIA7808API
11ES2-TA1B
11ES2-TA1B
330
16V
KA7908
0
0.1
MTZJ-T-77-12B
0
0
0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
*
*
*
*
*
*
S
B
G
N
D
IN
-
IN
+
IN
+
M
U
T
C
D
B
O
O
T
+
V
S
-V
S
S
T
B
Y
M
U
T
E
+
P
W
V
S
O
U
T
-P
W
V
S
SBGND
IN-
IN+
IN+MUT
CD
BOOT
+VS
-VS
STBY
MUTE
+PWVS
OUT
-PWVS
-22.5V
+22.5V
S2GND
RELAY-ON
S1-GND
14V(S2)
-14V(S2)
RELAY5V
TRAY SW
TRAY-OPEN
TRAY-CLOSE
BACKUP5V
G
N
D
O
U
T
1
IN
P
U
T
1
IN
P
U
T
2
V
C
C
O
U
T
2
REG-CON
H/P CHECK
RELAY-5V
BACKUP5V
D-GND
(LOADING)
S1
DISC TRAY
OPEN/CLOSE
DETECT
OPEN
CLOSE
1
7
PHONES
O
I
G
O
G
I
O
G
I
MUTING
MUTING
MUTING
MUTING
LOADING
MOTOR DRIVE
AMP
POWER
POWER AMP
COM
+8V REGULATOR
COM
REGULATOR
COM
REGULATOR
+12V
+
-
+
-
L
R
SPEAKER
IMPEDANCE
USE 6-16 
Ω
REGULATOR
RELAY +5V
-8V
(CHASSIS)
(CHASSIS)
*
(US,CND)
(EXCEPT US,CND)
L306
*
C361
10000p
1000p
(US,CND)
(AEP,UK,HK,MY,SP)
(US,CND)
(EXCEPT US,CND)
*
R140,240
470
430
(EXCEPT MX)
(MX)
*
(EXCEPT MX)
(MX)
R142,242
47k
33k
(EXCEPT US,CND)
(US,CND)
(EXCEPT US,CND)
(US,CND)
(EXCEPT US,CND)
(US,CND)
0.22
µ
H
2.2
µ
H
• 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
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