Kenwood RD-M23 Service Manual page 5

FROM
DISPLAY PWB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
CNP702
Q901
Q908
Q802
1 9 5 8
IC805
TA7291S
CD LID
2 3 6 7
MOTOR DRIVER
CD_7V
5V
+B7 Q861
13 12 11 10 9 8 7 6 5 4 3 2 1
IC804
MM1469XH
FOCUS/TRACKING/
SPIN/SLED DRIVER
16 17 18 19 21 22 23 24 25 26 27 28
55 53
DOUT 9
90 BUS0
82
RO
91 BUS1
85
LO
92 BUS2
BUS3
93
96 BUCK
97 /CCE
IC802
57
100 /RST SEL
TC9462F
2VREF 56
SERVO/SIGNAL CONTROL
TEBC 52
RFGC 51
VREF 50
X801
XI TRO 49
16.93MHz 78
79 XO FOO 48
TEZI 47
TEI 46
TSIN 45
SBAD 44
FEI 43
+B7 14
VDD
23
VDD
RFRP
39 AVDD 42
RFCT 40
62 VDD
RFI 38
76 VDD
80 XVDD 34
VCOREV
94 VDD PVREV 33
LPFO 32
LPFN 31
TMAX 30
PDO 28
P2VREF
25
36 6 15 24 63 71 72 73 74 77 95 81 86
D_GND M_GND A_GND
LED PWB
Q902
M_GND
SWITCH PWB
Q907 +B4
SW802
CD LID
OPEN/CLOSE
M_GND
M801 SO401
CD LID
VIDEO/AUX
OPEN/CLOSE
INPUT
MOTOR
M
+B2
+
NM802
M
SPINDLE
MOTOR
SP+ –
SP–
SP+ +
NM801
M
SL–
SLED
– MOTOR
PU-IN
GND
J801
DIGITAL
M_GND
OUT
NSW801
PICKUP IN
CD MOTOR PWB
FO
TR
PICKUP UNIT
SBAD TEO 12
13
14 FEO TEN 11
+B7
FEN 2VRO 10
15
TEB
16 VRO 9
SWITCHING
RFRP SEL 8
17
LDO
18 RFIS 7 Q801
19 RFGO MDI 6
E
TN1
20 RFGC 5
F
21 AGCI TPI 4
B
RFO FPI 3
22
A
FNI
23 GND 2
24 RFN VCC 1 +B7
IC801
D_GND C
TA2109F
SERVO PRE AMP.
1/2V
+B7
FROM
TO
DISPLAY PWB
TUNER PWB
11 10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 11
CNP703
CNP307
R-CH
L-CH
1
2 +B7
3
MUTE
TERMINAL
Q601
PWB
Q602
D651~D654
FOCUS COIL
D657~D660
TRACKING COIL
CD_6R2V
Q606
+B2
Q607
CD +B
LD +B3
VOLTAGE
CNP652
REGURATOR
1
2
MON M_12V
Q605
+B4
A_12V
Q603
+B6
Q604
5V
MAIN PWB
R-CH OUT
AUX R
TUN R
CD R
15 14 13 12 11 10 9 8 7 6 5 4 3
19 20
16 17 18 21 22 23 24 25 26 27 28
CD L
TUN L
IC401
AUX L
LC75342M
L-CH OUT
FUNCTION/VOLUME
EQUALIZER
IC901
LA4282
POWER AMP.
2 5 3 4 10 7 11
L-CH R-CH
L-CH R-CH
+B
F654
2A 250V
TF
Q101
Q102
F651
T2.5A L 250V
1 1
F653
2 2
T1.25A L 250V
3 3
T651
4 4
POWER
TF
D_GND TRANSFORMER
(MAIN)
IC681
KIA7805API
VOLTAGE
REGULATOR
4
3 3 1 Q681
2
D_GND 2
VOLTAGE
1
REGURATOR
Q608
Q609
P_CONT
D681~D684
T681
POWER
TRANSFORMER
POWER PWB-B
(SUB)
AC POWER SUPPLY CORD
AC 110/127/220/
230~240V, 50/60Hz
2 1
LOGIC
29 30
+B6 A_12V
+
L-CH
R-CH
+
9 12
J601
HEADPHONES
3
2
1
4
5
9
10
1 3 5 7 9
1 3 5 7 9
CNP651
Q683
RLY601
SW651
VOLTAGE
SELECTOR
SO655
AC INPUT
SOCKET
AC 110/127/220/
230~240V, 50/60Hz