Read Sony CMT-DC1 / HCD-DC1 Service Manual online
HCD-DC1
26
26
6-11. SCHEMATIC DIAGRAM – MAIN (3/3)/LCD Boards –
•
See page 19 for Waveforms.
•
See page 33 for IC Block Diagram.
Q813
Q811
Q810
R877
R876
R880
R879
R878
R875
R874
R873
R872
R871
R870
R869
R868
R867
R866
R865
R864
R863
R862
R861
R860
R859
R858
R857
R856
R855
R854
R853
R852
R851
C806
R838
R840
C805
C343
C814
C800
C804
C803
L302
4.7
4.7
µ
H
D813
R846
R847
R848
R849
R850
JR300
R834
R835
R836
R837
R833
R832
R803
R802
R813
R817
R818
R819
R820
R821
R822
R824
R825
R826
R828
R611
R801
JR305
R899
R800
R629
R896
R892
R881
R882
R883
R884
R885
R886
C811
R887
R888
R626
R842
R628
D866
D868
D867
D869
CN803
CN810
CN801
C809
C808
C807
C342
C344
D808
D811
D812
R603
R606
R607
R608
D802
Q605
Q602
R610
R624
C375
R845
R613
R616
R612
R615
R614
Q808
Q806
Q807
Q803
Q802
Q804
C373
Q801
LCD801
X801
Q662
R609
Q606
Q609
D801
R602
D602
R627
R601
D601
Q805
Q809
X802
C610
C609
IC804
C600
X803
C605
C606
C604
C607
R620
R619
R623
C608
R622
R617
R618
C603
R621
D806
D805
R894
R898
R895
C812
R897
R807
R827
R843
R815
R814
R811
R812
R810
R808
R806
R805
R804
R890
R891
CN802
CN804
C813
C345
Q661
Q601
Q604
Q603
R604
R605
Q607
Q608
L301
4.7
4.7
µ
H
D807
Q891
Q890
C349
C810
Q812
IC801
C611
IC803
R841
KRC102S
KRC102S
KRC102S
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
1
470
47k
1
0.1
0.01
0.01
24p
24p
1SS355TE-17
22k
10k
10k
10k
4.7k
0
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
100
1k
1k
100k
1k
0
1k
1k
47k
4.7k
470
4.7k
4.7k
4.7k
4.7k
4.7k
1k
22p
1k
1k
4.7k
4.7k
4.7k
SY3318-V
SY3318-V
SY3318-V
SY3318-V
20P
18P
16P
0.1
0.1
0.1
0.1
0.1
1SS133T-77
1SS133T-77
1SS133T-77
4.7k
47k
47k
4.7k
1SS133T-77
KRC102S
KRC102S
68k
4.7k
1000p
100k
1k
1k
1k
1k
1k
KRC102S
KRC102S
KRC102S
KRC102S
KRC102S
KRC102S
1000p
KRC102S
4.19MHz
KRC102S
180
KRC102S
KRC102S
1SS133T-77
2.2k
11ES2-TA1B
75
4.7k
11ES2-TA1B
KRC102S
KRC102S
32.768kHz
4.7
50V
560p
BU1924F-E2
100p
4.332MHz
13p
13p
47
16V
0.01
1k
100k
68k
330p
1k
4.7k
470k
0.1
270
1SS133T
-77
MTZJ-T-77
-4.3B
1k
1k
22
27p
1k
1k
1k
100k
1k
1k
1k
1k
1k
1k
1k
1k
1k
4.7k
1.2k
18P
20P
10
50V
100
10V
10V
KTA1273-Y
-AT
2SA950-Y-TPE2
2SA950-Y-TPE2
KRC102S
4.7k
150
2SB1013-TP
-34
2SB1013-TP-34
1SS133T-77
2SC2412K
-T-146-R
-T-146-R
KRA102S
100
10V
10V
0.22F
5.5V
2SC2412K
-T-146R
CXP83124A-050Q
100p
BMR-0301H
31
1
2
3
4
5
6
7
8
9
10
11
1
2
13
14
15
16
1
7
1
8
1
9
20
2
1
2
2
23
2
4
25
2
6
27
28
29
3
0
COM
1
CO
M
2
CO
M
3
0
1
2
3
4
5
6
7
8
9
10
11
13
12
14
16
17
18
19
20
21
22
23
24
25
26
15
A1
A2
A3
A4
A5
A6
A
2
A
3
A
6
A7
A
8
A4
A1
A5
B1
B2
B3
B4
B5
B
1
B
2
B
3
B4
B5
27
28
29
30
31
C1
C2
C3
C4
D1
D2
D
1
D2
C2
E1
E2
E3
E4
E5
E6
E7
E1
E2
E3
E4
E5
E6
E7
C5
C5
C1
C2
C3
C4
0
0
A7
A8
*
TRAY-OPEN
TRAY-CLOSE
TRAY-SW
AMP-MUTE
CD-ON
REG-CON
FM-ON
D-GND
HOLD
REC-MUTE
REC/PB
PLAY-SW
SENSOR-OUT
+12V
P-GND
D-GND
+8V
TC-SW
SQCK
SENS
SQSO
CLK
LATCH
DATA
XRST
D+5V
SDA
SCK
AU MUTE
H/P CHECK
BACKUP5V
JOG-B
JOG-A
KEY3
KEY2
KEY1
D-GND
RMC
P-GND
5V
CD SYNC
8V
D.S.G
TC-LED
TU-LED
CD-LED
PBC-LED
IN
OUT
RESET
QUAL
RDATA
VREF
MUX
VDD1
VSS1
VSS3
CMP
T2
T1
VSS2
VDD2
X1
XO
NC
RCLK
D866-869
(LCD BACK LIGHT)
LIQUID CRYSTAL DISPLAY
RESET SIGNAL
GENERATOR
Q661,662
LED
B+ SWITCH
SYSTEM CONTROLLER
MO +12V
B+5V
MO GND
D-GND
INVERTER
B+ SWITCH
B+ SWITCH
SWITCH
B+
Q603,604
TRIGGER
PLUNGER DRIVE
SWITCH
Q802-808
CD ON SWITCH
Q809-811,813
TUNER
ON/OFF
SWITCH
Q890,891
WAKE UP
SWITCH
FM-DET
TUNED
GND
DO
CK
DI
CE
FM-7.5V
LINE MUTE
TC BACK LIGHT
DET AMP
RDS DECODER
Q601,602
CAPSTAN/REEL
MOTOR DRIVE
B+ SWITCH
C-SCOR
SOL+12V
*
R841
0
680
1.5k
2.7k
(US,CND)
(HK,MY,SP)
(AEP,UK)
(MX)
RELAY-5V
(Page 24)
(Page 24)
(Page 25)
(Page 25)
(Page 24)
(Page 29)
(Page 24)
(Page 24)
Ver 1.1
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : CD
[
] : MD
〈〈
〉〉
: TAPE
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