CD-BK250W/CD-BK2600W/CD-BK270W
– 20 –
Figure 20 SCHEMATIC DIAGRAM (1/11)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 39.
R620
22K
9
10
11
14
15
16
17
18
19
20
21
22
23
24
8
7
6
5
4
3
2
1
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
8
7
6
5
4
3
2
1
–15V
VF1
VF2
–VP
UN_SW_5V
P_IN
M_+12V
A+10V
GND
GND
L-CH
R-CH
SW_5V
GND
GND
GND
REC_
SP_RLY
SP_DET
(A_+B) SW_5V
CD_+B SW_5V
A_+B
A_GND
L
L
R
R
P22 1 - F, G
TO POWER SECTION
P29 12 - D
TO CD SERVO PWB
CNP7
CD_+B
CD_GND
L-CH
A_GND
R-CH
T1_R
T1_L
A_GND
M_GND
ERASE
T2_R2
T2_R1
T2_L1
T2_L2
4
2
ERASE HEAD
TAPE 2
RECORD/
PLAYBACK HEAD
TAPE 1
PLAYBACK HEAD
R-CH
L-CH
R-CH
L-CH
3
2
1
1
3
5
6
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
1
2
3
4
5
6
7
1
2
3
4
5
6
CD
TUNER
DECK
AUX
DI
CE
VSS
LOUT
LBASS
LTRE
LIN
L4
L3
L2
L1
CLK
VDD
VREF
ROUT
RBASS
RTRE
RIN
RSEL0
R4
R3
R2
R1
CCB
INTERFACE
+
–
+ –
+–
+ –
+–
+–
+ –
+ –
LSEL0
ALC
ALC
RIPPLE
NOR/CRO2
–
–
+
–
+
Hich=T1
+
–
+
Hich=CHROME
56K
112K
56K
112K
2
1
3
2
1
3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
17
18
19
20
21
MAIN PWB-A1(1/3)
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
-B
-B
Q112~Q114: SWITCHING
Q101~Q106: SWITCHING
MUT
MUTING
BI601
CNS601
CNP101
BI102
CNS102
Q104
2SC1845 F
C104
180P
R106
3.3K
R104
2.2K
Q102
2SC1845 F
R108 47K
R110 4.7K
Q106
KTC3199 GR
C106 560P
R112 15K
R116
56
C112
100/25
C114
0.033
R122 33K
C116
560P
C118
47/25
R124
5.6K
R120
3.9K
R118
100K
C120
0.0022
R126
3.9K
C121 0.022
C122
3.3/50
R128 6.8K
C124 270P
R132
100
C126
22/50
C132
47/25
C130
0.0033
C128
0.022
R130
1.5K
R134
10K
C108
330P
R114
1K
C110
330P
C107
330P
R113
1K
C109
330P
IC101
AN7345K
PLAYBACK AND RECORD/
PLAYBACK AMP.
C103
180P
Q103
2SC1845 F
R105
3.3K
R103
2.2K
Q101
2SC1845 F
C102
560P
C101
560P
C136
0.022
Q112
KTA1266 GR
R146
10K
R148
4.7K
R147
10K
Q113
KRC104 M
C141 100/16
C150 10/50
R149
150
C639 1/50
R621
22K
R618
330
R619
330
R604
10K
C610
1/50
C608
0.1
R606
3.9K
C612
0.0027
C606
0.15
C614
1/50
C616
4.7/50
C618
1/50
C620
1/50
C624
1/50
C622
1/50
R608
1.2K
C626
0.0056
R602
1K
R601
1K
IC601
LC75341
AUDIO PROCESSOR
C623
1/50
C6
1/5
C6
1/5
C6
1/5
C6
4.7/
C6
1/5
C605
0.15
C
0
C60
22/5
Q1
KTC31
R138
10K
R137
220K
R139
10K
C119
0.0022
R121 33K
R125
68K
R127
3.9K
R117
100K
C113
0.033
C111
100/25
R115
56
C115
560P
R119
3.9K
C117
47/25
R123
5.6K
C123 270P
R129 6.8K
C125
22/50
C127
0.022
R131
1.5K
R133
100
C129
0.0033
C131 47/25
R135
10K
C133 22/50
C134 220/10
C601 220/16
R614 3.3K
R615 3.3K
R613 390
R611
2.2K
C635
0.001
C636
0.001
R610
2.2K
R612 390
Q602
KTC3199 GR
Q601
KTC3199 GR
Q114
KRC104 M
R111
15K
R101
1K
R102
1K
R107 47K
C105
560P
Q105
KTC3199 GR
R109 4.7K
Q107
KTC3199 GR
R617
2.2K
R616
2.2K
C637
0.001
C638
0.001
Q604
KTC3199 GR
Q603
KTC3199 GR
C640 22/50
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