Kenwood Z828MP Service Manual page 17

K L
MAIN UNIT
TU100
F/E
ANT.
1
CN100
3
2
1
L100 52mH
C111
0.01
Q100
FM:8.3V
8.3V
FM:0.1V
AM:0.1V
Q101
0V R101 R100
2
2.2K 22K
FM:7.6V
Q103
FM:5.0V
0V
30
CN1
D GND 20
D1
D4 D3 D2
EJ SW 19 19
LED SW 18
BU 5V 17 BU5V
DS GND 16
R31 3.9K
AUDIO 15
3
V GND 14
R32 470
CLK 13 13
R33 470
MC REQ 12 12
R34 1K
RESET 11 11
R35 470
DATA 10 10
R36 1K
SC REQ 9 9
R54 4.7
FAC1 8 8
R37 1K
PNL RST 7 7
FAC2 6 6
VFD 5 5
D99
D GND 4
D GND 3
PNL 5V 2 PNL5V
5.1V
R30
Q4 Q6
0V 4.7K
4 DS GND 1
2.2V 4.5V
5.2V
5.0V
0V
18
DC/DC CONV UNIT
CN701
GND
1 1
VFD
2 2 5
FAC2
3 3 6
FAC1
4 4 8
C708 22u63
CN703
+
DC/DC CONV
C707 47u63
+
DC700
C706 47u63
5 4
+
5
3 C705 47u63
+
6 C704
1000P
7 2
R703 47K
8 1
D700
C703 100u16
+
C702 0.1
C701 100u16
+
C700 0.1
CN700
L700
56uH GND
1 1
DD11V
2 2
GND
3 3
GND
6
4 4
CN702
R46
D6
330
3.2V
R12
22K 1K
0V
Q10
22K
0V
7
CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list).
Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out
!
M N
CN400
C106 C107
0.01 100u10
+
+8V +8V
Q102
R106 0
AM:8.3V
8.3V
R103 R102
R107
2.2K 22K +8V
3.0V 1K
AM:7.6V
9.0V
AM:4.9V Q104 2.4V
BU5V
IC3 5.1V 5.1V
MUTE
0V 1 14 5.1V Q1
1 1A VCC
0V 2 13 0.1V
1B 1C
0V 3 12 5.1V
2A 1Y RN7
0V 4 11 5.1V 4.7K
2B 3C
0V 5 10 0V
2C 3B 4.4V
5.0V 6 9 0V
2Y 3A
0V 7 8 0V
GND 3Y
25
26
RN6
470
5.1V
D7 D8
0.1V
5.1V
R15
5.1V 26
0 0V F/E CLK
Q2
5.1V 27
PRE OUT MUTE
FM:2.4V
AM:5.0V
0V
CD:5.0V 5.0V 28
IFC OUT
FM:2.4V
R6 0V 29
AM:5.0V
29 AM+B AM:5.1V
Q9 0V 30
1K Q3
30 FM+B
47K
Q5 47K 5.1V
FM:5.1V
28
RN8
CD:0.1V 1K
47K
47K FM:2.0V
AM:0.1V
5.1V CD:0V
5.1V 31
FM:0V
RESET
AM:0V
C5
22P 1.5V 32
XT1
R9
47K
X2
32.768KHz
C6 R7
22P 680K 1.6V 33
XT2
IC2
C10 1 3.4V 34
REGC
C7 R8
RST
12P 100 1.6V 35
X2
X1
C9
12P 20MHz 1.6V 36
X1
0V 37
VSS
5.1V 38
BU5V VDD
39
11 CLK OUT
40
NC
41
NC
R47 1K 5.1V 42
42 P ON
R48 1K 5.1V 43
43 VFD ON
44
NC
R49 1K 5.1V 45
PNL 5V
PNL DET SW
S1
46
R55
NC
0 5.1V 47
PNL DET
5.1V 48
CD MUTE
5.1V 49
CD MRST
5.1V 50
CD MSTOP
2.5V
BU5V
RN10
1K
BU5V
+11V
PNL5V
O P
REQ C R404 1K
CLK R400 47
R402 47
DATA H
R401A 100
Lch
13
DATA C R403 1K
9 10 11 12
RESET R405 2.2K
R401B 100
Rch
5 6 7 8
A GND
1 2 3 4 MUTE R406 4.7K
CH CON R407 4.7K
B.U
+B
D GND
R408 47
REQ H
D404B D405 D404A
RN400
100K
+8V
6
RN5
470
RN3 RN2
47 1K
RN1
1K
100
NC
99 5.1V
PN MC CLK
98 0V
PN MC DATA
97
PN SC DATA
96 5.0V
CH CLK
95 0V
CH DATAH
R25
94
CH DATAC
1K
0V
93 0V
BU DET
R115
0
92
RDS CLK
2.5V
91 5.1V
IC1
CD SW2
SYSTEM u-COM 90 5.1V
CD SW1
89 0V
PN SC REQ
88 0V
CH REQC
87 5.0V
DISC EJ SW
86
ACC DET 86
85 0V
ST TYPE2
84 0V
ST TYPE1
83 5.1V
JS TYPE1
82 5.1V
TYPE2
81 5.1V
TYPE1
FM:5.1V
AM:4.2V
80 0.1V
S-METER
79 5.1V
CD/MP3
78 0V
NC
77 0V
NC
76 0V
NC
RN17 RN11
1K 1K
RN12
100K
BU5V
+11V
PNL5V
(exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
• DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual instruments
Q R
88
96
CN200
95
22 21 20 19 18
3
C200
94
0.047
4
5
+7.5V
1
12
+B
13
D403 D402 D401 D400
+8V
IC200
ISO
BU5V
+B
+8V
C28
0.1
C3
0.01
C1
0.01
C2
RN16
100u10
470
+
13
10
R13 100K
R26 100K
RN15
47
0.1V
94
C26 1000P
Q201
R38 C21
93 D200
0V 4.7K
470 0.01
R114
0
R39 47K
C27 1000P
R40 C22
470 0.01
R41 47K
R24
1K
91
90
9
R28 100K
19
R27 100K
RN14
1K
4.1V 1
R22 47K
1 CDR
4.1V 2
R20 47K
CDR OUT
4.1V 3
3 CDGND
R18 47K
4.2V 4
CDL OUT
4.1V 5
R42 47K
5 CDL
6
R43 47K NC
C305 7
0.01 PHONE-
8
PHONE+
9
R17
AFS
2.2K
R300 C304
10K 0.033 10
R52 47K
AM
11
4.1V
NC
4.1V
R301
4.7K
Q301
R53
R305
0
4.7K
BU5V
+11V
PNL5V
S T
to X32-5080
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
R200
100K
+7.5V
+5V
D204
BU5V
+8V
R212
R208 10
47K
IC201
(BOTTOM
VIEW)
SW
8.2V
Q200
0V
0V
+8V
+B
+8V
BUFF
IC202
R223 C213 R222
3.9K 4.7 100K
R220 C210 C209B R215B
33K 4.7 0.1 390K
19
C209A R215A
0.5V
0V
0.1 390K
18
D202 D203
0V
Q202
0V
33
NC
32 4.2V
OUTLF 32
31 4.2V
OUTRF 31
30 4.2V
OUTLR 30
4.2V
29
OUTRR 29
IC300
28
NC
E-VOL/MPX 27 8.3V
VDD +8V
26 0V
GND
25
NC
24 5.0V
SDA 24
23
SCL 23
5.0V
R302
0V
4.7K
Q300
0V
47K
47K
0V
L1
4.7uH
BU5V
+11V
PNL5V