Kenwood KC-Z1 Service Manual page 30

DB DC DD DE
(X00-2810-XX)(A/5)
a
Q Q
CP5
100Kx10 7
3
4.8
1 WH16 11 10 9 8 7 6 5 4 3 2 1
1 R160 100
TX DATA 38
2 R159 1K 0V
LE 29
3 R158 1K 0V
PLL DATA 27
4 R157 1K 0V
CLK 28
5 R156 100 4.9V
OSC EN 32
6 R155 100 4.9V
W TX EN 35
7 R154 100 4.8V
LOCK SIG 30
8 R153 100 1.4V -12.0V
RX DATA
9 R152 100 0V
RX EN 34
10 R151 100 4.8V
RF POW EN 39
11
RF +8V
12
L23
RF GND
+
D58
WH13 R232 D41 L27
1 100K
SDATA 7 L24 +
R236
2 5.6V +
2 100K
S D GND
R234 5.0V
3
100K
SBUSY 8
L28
R231
100K
D57
( )
16
CP1
14 ( 15 )
100Kx9
( )
13 11
R263 1M
10 9 8 7 6 5 4 3 2 1 ( 10 )
WH11 X2
1 R229 100
32.768KHz
V2.INH 98
2 R228 100 4.6V
V3.SW3 99
3 R227 100 4.6V
X1
V3.SW2 100
4 R226 100 4.6V 4.150MHz
V3.SW1 1 R188
5 R225 100 0V 10K
V2.B 2
6 R224 100 0V
4.8V
V2.A 3
7 R223 100 0V 0V
3 T V1.C 4
8 R222 100 0V
V1.B 5
9 R221 100 0V
V1.A 6
10
NC
11 L33
-5V
-5.0V
12 L32
D GND
100
13 L31
( 100 ) V3 SW2
+5V 99
5.0V ( 99 ) V3 SW3
98
C175
( 98 ) V2 INH
97
0.1
( 97 ) T DO
96
C176
WH9 ( 96 ) T SD
1 0.1 95
CH SPACE ( 95 ) T ST
2 R207 100 0.5V T E 94
L 1 3
DO 97 ( 94 ) T D1
X05-442- 3 R206 100 0V 93
CN1(TUNER) CE 92 ( 93 ) T CK
4 R205 100 0V 92
4
CLK 93 ( 92 ) T CE
5 R204 100 0V 91
1/8
DATA 94 ( 91 ) T MUTE
6 R203 100 4.8V 0V
R192 10K 90
T MUTE 91 MAIN u-COM
7 RDS SS
A R191 10K 89
-12V (BOTTOM VIEW)
8 RDS AT
R190 10K 88
+12V
9 + + RDS RT 4.8V
R189 10K 87
L CH
10 RDS ST
R187 10K 86
GND
11 4.8V RDS DT 0V
R248 100K
R CH 85
12 R202 100
R249 100K
X09-1/2- STEREO 95 84
13 R201 100
CN3 R250 100K
SD 96 83
4.8V R251 100K
82
1/8
WH10
1 81
R CH KEY
L37 SCAN3
2
C GND
3
L CH
5
X08-1/3-
CN2
CP2
2/8
100Kx13
H
X08-2/3-
4.7V
CN3 80
79
DB-25
3/8 78
POWER ON 4.9V
77
Q32
76 Q31
J
0V
75
6
74
X
X09-1/2- R216 73
CN1 0V 10K
21
0V
5/8 X
D48
X
X Q34 D47
L w w w
C168 0.01
-0.8V
C169 0.01
X09-1/2-
WH1
1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6 7 8 9 10
5/8
CN7 CN8
N
7
U V
DF DG DH DI
b
1 5
6 3
WH5 WH6
X 2
7.2V
X 3
5.0V
D42
D43 5.0V
12.0V
D55
Q44
D54 RESET 36
VTIM2
4.9V 0V 35
ST3
5.0V
0.6V 34
+ ST2
D49 R301 C141 Q43
R241 100K 1K 1u50
L29
+ 33
+ + + ST1
+ 0V
32
NC
D68 0V
31
LED4
5.0V
30
5.3V L30 LED3
D52 0V
GND D67 29
LED2
IN OUT 5.0V
28
5.3V LED1
IC32
RESET IC
RESET
+
4.9V 0V R267 C128
1K 1u50 +
+
Q35
3.6V
Q42
D60
0V
0V
0.6V
( )
4
Q45 + +
DISPLAY
CHANGEOVER
L41
X 4
4.8V 3.65V Ta=25
18
31 5.2V
P HOOK
32 4.9V
P OSCEN 32
33
0.2V
VSS(GND)
0V 34 0V
P RXEN 34
35 4.9V
4.9V 0V P TXEN 35
36 4.9V
VDD(+5V)
37 1.4V
9 4 2 P RXD 2 9 6 5 1 3
38 D71
P TXD 38
4.8V
39
IC31 P RF 39 D70
40
GND
41
S DT 41
42 1,2,4,5 1,2
M DT 42
43
M CK 43
44
M RQ 44
45
S RQ 45
46
PRE2 MUTE 46
47
MUTE 47
48
PRE2 RLY 48
49
SW RLY 49
50
SW RLY 50
CP3 CP4
100Kx10 100Kx11
1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6 7 8 9 10 11 12
( 65 )
( 64 )
( 63 )
( 62 )
( 61 )
( 60 )
( 59 )
( )
58
( 57 )
( )
56
( 55 )
C103
0.1 L21
+
x a o
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
CN6
. i
L
DJ DK DL DM
1 5
0
C144 X3 IC31 : S8P078GF1ABA
0.022 780KHz IC32 : S-806D-Z
IC33 : DCC5555A/22
IC34 : SC401737FU DESTINATION R215,
5.0V UNIT No. Q34 D47,48
COUNTRY ABB. 216
R313 IC35 : XL24CO1AP
U.S.A. K X00-2810-10 NO NO NO
1M
GENERAL MARKET M X00-2810-21 YES YES YES
Q31,42 : DTC124ES or UN4212
Q32,36,45 : 2SC2003(L,K)
Q33,35,43 : 2SC1845(F,E)
10 2.4V
OSCOUT Q34 : 2SA992(F,E)
5.0V
11
VDD Q39~41 : 2SB772
0.6V
12 Q44 : DTA124ES or UN4112
IC33 RESET
5.0V
13
BATTERY VR
X 5 D41,49,69 : S5688B or 1SR139-100
CHARGER 1.5V 14
NC
u-COM X 6 D42~44,47,48,50~63,65~68,70~73
15
0V VBIN1 15 : 1SS133 or HSS104
(BOTTOM VIEW)
X 7 16
1.78V VBIN2 16 D64 : RD7.5JS(B) or HZS7.5S(B)
17 D74 : RD5.1ES(B2) or HZS5.1N(B2)
VTIM1 17
18
VIN 18
1.7V
Q36, 39~41
REPEATER
5.0V
DRIVER
R287
1 1W
5.0V
Q39 Q40 Q41
E PROM 2
5.0V 5.0V 5.0V
5.0V + + +
IC35
1 8
5.0V WH12-1
A0 VCC
+ 2 7 1
A1 TEST
3 6 5.0V 2
A2 SCL Q36
4 5 5.0V 0V 3
VSS SDA
4
5
X 1
0V
R273
D69 10 1W P6
CP7
CP8 10Kx8
+ +
10Kx6
R280
10K
Q Q
0V
3
CP9 CP16
10Kx6 10Kx8
40 61
NC NC
39 62
NC NC
38 63
NC NC
37 64
NC NC
36 65
NC NC
35 66
NC NC
67
NC
68
NC
CP10 10Kx6
34
NC
33
NC
5.3V 32
NC
69
31 NC
NC IC34
+ 0V 70
30 NC
NC
REPEATER 71
29 NC
Q33 NC u-COM
72
NC
RESET (BOTTOM VIEW)
CP15
73 10Kx4
28 NC
NC
74
27 NC
NC
46 75
26 NC
NC
47 76
25 NC
NC
48
24
49 NC
77
23 NC
50 NC
78
52 CP6 22 NC
100Kx5 OSC2
79
51 21 NC
CP11 R272 OSC1
53 80
10Kx6 1M
NC
54
CP14
1 2 3 4 5 6 10Kx4
X4
4.000MHz
45 4.9V
CP13
44
10Kx8
C108 43
0.1 41
42
CP12
10Kx6
C109
0.1
u 1 6 3
y
WH7
J
DN DO DP DQ
2 4
8 9
(X00- )(B/5)
WH4
1
RLY +B
2
17.0V +17V AVR 25.6V
RLY GND Q3
3
POW RLY
0V
CN5 5.0V IC4
R13 D9
470
RLY GND 1 + +
25.0V
RLY +B 2 R16 –
1K + R23
N -17V 3
+ 14.0V
-25.6V 4.7K
GND 4 –
+ -26.2V
+17V 5
+ +
R14
D10
0V 470
14.6V
(FUSE)
-17.0V Q4
26.6V
SIGNAL LINE +12V AVR IC12 -17V AVR
GND LINE
OUT IN
+B LINE GND
12.0V + +
-B LINE
+ +
P5
GND -27.0V
OUT IN
-12.1V IC13 -12V AVR
7.8V +8V AVR
IC8
L8
OUT IN
GND
(X00-) (E/5) WH3 +
3
+8V
2 L9
J3 H R GND
1
+
-8V -8.2V
WH12-2 3
IR GND 1 L10 GND
IR OUT1 2 CN4 OUT IN
-8V AVR IC9
IR OUT2 3 J2 GND 14
IR OUT3 4 +12V 13
2 R31 1 2W
IR GND 5 -12V 12
5.6V
L40 GND 11 IC3 +5.6V AVR
L1
J1 -5V 10 OUT IN
GND
V GND 9 + +
1
P7 C167 +5V 8
a L2 0.6V
0.01 D GND 7
5.0V IC1 +5V AVR
+5.6V 6
L3
F OFF 5 OUT IN
GND
POW RL 4 + +
7 6 3 1 5 1 5 0 8
S2 LED 3 3
L4
S2 2 2
+ +
S1 1 1
L5 GND
OUT IN
-5.0V IC2 -5V AVR
CN3 X 8
8.6V 11.5V BATTERY
B DET 10 10 R57 CHARGER ACR
D15 180 2W
V BAT 9
Q18
B +5V 8 R52 9.3V
100 Q7
B GND 7
B Th 6 8.6V 8.6V 7.8V 10.9V
Q16
b 0V 0.6V
ON HOOK 5 5 + +
Q8 Q9
RX DT 4 4
0V
TX DT 3 3
RF +8V 2
(X00-) (D/5)
RF GND 1
DURACEL DR-17
CN9 5.0V ( 3 )
BATTERY PACK
R60
5 V BATT 5
( 1 )
1.8K
4 NC 4 CN2 D18
WH17
1 V BAT
3 NC 3 1
2 B Th Q11
2 B Th 2 2 0V
5.0V
3 B GND 4.9V
1 B GND 1 3
IC5 Q10 5.0V
7.2V 1.7AH
BATT. DET
TH=10kΩ at 25 C
1.2V 8.0V
L6
L7
(E23-1713-X5)
5PIN TERMINAL 9.0V 9.3V
CN1 ( 5 ) +9V AVR
R74 Q17
+9V 1.2 2W
1
1
HOOK DET
2
2 Q13
B GND 9.9V 9.9V
3
3 9.6V R76
9.2V R71
10.7V 150 100
+
RX R81
4 m 4.6V
4 4
TX R82 1K 10.7V
5 IC6 0V
5 3 Q14
1K
ON HOOK
c o
DET
C95
D24 0.01
P4
.
D25
DR DS DT DU DV
X14-C/9-
CN8 2
9 8 9 9
7/8
CAUTION: For continued safety, replace safety critical
components only with manufacturer's recommended parts
P
(FUSE)
26.6V (refer to parts list). indicates safety critical components.
D7
13.2V
R21 C44 For continued protection against risk of fire, replace only
4.7 0.022
1/4W POWER
+ with same type and rating fuse(s). To reduce the risk of
RELAY 1
D2 electric shock, leakage-current or resistance measurements
K1
+ ~
C43 shall be carried out (exposed parts are acceptably insulated
0.022
– ~
X00-C/5- from the supply circuit) before the appliance is returned to
WH1
+ C45
0.022 WH1 the customer.
5
7/8
R22
4.7 4
1/4W
3
R
The DC voltage is an actual reading measured with a high
2
0.2V
0.7V 1 impedance type voltmeter with no signal input. The
measurement value may vary depending on the measuring
POWER Q1
RELAY
instruments used or on the product.
DRIVE
D8
DOLBY and the double-D symbol are trademarks of Dolby
POWER
C25
RELAY 2 Laboratories Licensing Corporation. Noise reduction circuit
0.022
K2 made under license from Dolby Laboratories Licensing
14.3V
D12 Corporation.
+ ~ C23 X00-C/5-
WH2
+ + WH2
0.022 7
– ~
C26 0.022 6
7/8
C21
C39 0.022 0.022 5
+
4
Q
+ ~ * 1 The repeater is repeatedly turned on and off for several
3
D13
– ~ 2
-15.9V milliseconds between 0 V and 5 V during operation.
C40 0.022 1
The repeater is usually set to 0 V.
D4 D3
* 2 Depends on the battery voltage (7.2V). The display
C2
0.022
voltage is the nominal voltage of a battery.
13.2V
+
D1
* 3 Voltage when no battery is inserted. Set to 0 V when a
+ ~
battery is inserted.
– ~
13.2V C3 * 4 Voltage when no battery is inserted. The voltage Varies
0.022
+
9 2 4 9 8 2 9 depending on the thermistor when a battery is inserted. 9
For Ta = 25, the thermistor is 10 k and the voltage is
+
-14.5V
1.5 V. When an increase in the ambient temperature +
battery temperature exceeds 45°C, the thermistor
becomes less than 4.7 k. Both charge and discharge
18.5V 18.5V
R41 X14-A/9-
Q15 then stop, and trickle charge is carried out. The voltage
1 2W CN15
C72
at that time is less than 0.9 V.
R42 0.022
7/8
150
* 5 Battery voltage detection. The display voltage is the
D14
Q5
+ + S
17.3V + ~
nominal voltage of a battery.
17.2V
– ~
* 6 - % V detection pin. The display voltage is the nominal
2.1V
Q6 C73
IC7
1.6V 0.022
voltage of a battery.
X14-A/9-
CN1
* 7 Time set pin of charge timer. Charge stops by a timer
7/8
D16 when -% V could not be detected for approximately 180
IC1,10 : uPC7805AHF or TA7805S
D17 IC2 : uPC7905HF or TA79005S
+5V AVR T minutes after it starts.
IC3 : SI-3052V
18.5V
IC10 IC4 : NJM4580D-D
* 8 The voltage varies depending on the charge amount of a
OUT IN IC5~7 : TL431CLP
GND IC8 : SI-3082V battery in the range of about +10.5 V. The display
+
IC9 : uPC7908HF or TA79008S X14-B/9-
IC11 : uPC7808AHF or TA7808S CN6 voltage is the voltage obtained after the battery is
IC12 : uPC7812AHF or TA7812S
+8V AVR 18.5V
IC13 : uPC7912HF or TA79012S 7/8 charged (the LED lights GREEN).
OUT IN
GND Q1 : 2SC2003(L,K)
+ + U
Q3,18 : 2SB1370 or 2SB1375
IC11
Q4,17 : 2SD2061 or 2SD2012
Q5,7,12 : 2SA992(F,E)
18.5V
Q6,8,9,13 : 2SC1845(F,E)
Q10,14 : DTC124ES or UN4212 X14-B/9-
Q11 : DTA113EZS or UN4119 CN5
Q15,16 : 2SB1587
7/8
17.3V
D1,2,13 : KBP02ML-6127
D3,15 : S5688B or 1SR139-100 V
Q12
D4 : RD2.7ES(B2) or HZS2.7N(B2)
16.6V D5,7,8,16~21,23~25,28,29
: 1SS133 or HSS104
SW
D9,10 : RD10ES(B) or HZS10N(B)
D11,22,26,27 : RD5.1ES(B2) or HZS5.1N(B2) X05-457-
CN1(RF)
D12 : D5SBA20FO3 or RBV-602LFA
D14 : D3SBA20FO3 or RBV-402LFA
7/8
W
KC-Z1/RC-Z1
KC-Z1(M) (6/8)
Y05-3140-10