Kenwood KC-Z1 Service Manual page 32

ER ES ET EU
LCD REMOTE CONTROL RECEIVE/TRANSMIT (X25-5690-10)
Q Q
3 7
Q4 R10
10K
1 ANT
(PCB +B ON/OFF
PATTERN)
RF AMP
LNA+MIXER
IC9 3.1V
C18 C19 C22 IC2
1P 1P 100P 0.8V 1 6
IN VCC
ENABLE 8 4.1V
0V 2 5 0V
GND GND 7 4.1V
0V 3 4 2.8V 0.8V 1 RF IN
VCC
GND OUT LNA
R12 C53 0V +
2
47 100P GND
0V 3 2.5V
GND 6
0V
C28 GND C26 R27 C38
100P 4 5 3.6V 0.033 1.8K 150P
LO IN IF OUT/VCC
2.5V
3.3V
RF AMP
2
IC7
+
RF AMP
4.4V 4 3 0V
OUT GND
0V 5 2 0V IC8
GND GND C52 R59
4.4V 1.1V 100P 10 2.8V 0V
6 1 4 3
VCC IN OUT GND
0V 5 2 0V
GND GND C29 R53 R13 R56
3.1V 6 1 100P 75 39 150
VCC IN
0.8V
R15
10K
3 Q3
+B ON/OFF +5V AVR
+
IC3
C33
0.1 0V
1 6 5.0V
BYP VOUT
0V 2 5 0V
GND GND
R54 C34
47K 5.0V 3 4 8.0V 0.1 12.6MHz
CONT VIN
C35
10u16
+
T E
L 1 3
4
LOCAL
OSCILLATOR
VT
TP1
IC1 : LMX1511TMX Q1 : 2SC3547A
5 X1 FREQUENCY
IC2 : MRFIC2001R2 Q3,4,106,107 : 2SA1576
IC3,101 : TK11250AU Q101,102,105 : 2SK1719
IC4 : NJM2058M Q103 : MMDF2NO2ER2
IC5 : 74HCT7046AD Q104 : 2SK1062
IC6 : NJM324M
IC7 : uPC2708T-E3
IC8,9 : uPC2748T-E3
IC102 : ML4876CR
IC103 : MM1134BFFE
IC104,108 : HM62256BLFP8SL D1 : SVC212(2,3)
IC105 : 27C40961AAC D2 : 1SV239
IC106 : MC68307PU16V D3,101,102 : DA204K
IC107 : SED1330FBA D103~107 : RB160L-40
IC109 : PCF8591T D108 : RB411D
IC110 : S-80727AN-DQ
6
SIGNAL LINE
w w w
GND LINE
+B LINE
-B LINE
7
EV EW EX EY
6 3 1 5
R39 C21 WAVE
1M 150P
2.5V PLL
C47 R40 5.0V R42 DETECTOR R45
0.01 110K 100K CENTER 220K
2.5V
2.5V 2.0V IC6
2 R41
2.5V (4/4) 1.8V
– 1 100K 6 4 R43 C49
3 – 7 4.7K 0.047 12 R55
0.2V +
2.5V 5 + 14 24K
+
11 D3 13
50KHz BPF 50KHz BPF 2.5V IC6 -
(1/4) AMP IC6 2.0V
LIMIT 0V 0V
(2/4)
AMP
IC4 9
5.0V IC4
(1/4) IC4 - 8
2.5V (4/4) 0V
(2/4) 0V 10
+
2 R29 C40 10 4 R33 C43
– 1 1.8K 150P 6 R31 + 8 1K 1000P IC6
3 – 7 47K 9 (3/4)
+ –
2.5V 5 11
2.5V +
2.5V PLL
DET ADJ
0.2V C50
2.5V
0V 10u6.3 2.5V 2.5V
13 + ( 74 )
– 14 5.0V 5.0V 2.3V 2.5V
2.5V 12
+
IC4 IC5
( 72 )
(3/4)
4.4V
PLL
DETECTOR
LOCK 2.5V
DETECTOR
( 69 )
PHASE PHASE
COMPARATOR 1 COMPARATOR 2
VCO
0.3V
0.2V
72
0.2V UP DOWN MUTE
5.0V 2.5V 0V 0V
( 55 )
2.5V
1 OSC IN ør 20
0V
PHASE
2 NC NC 19
0V PROGRAMMABLE 14BIT COMPARATOR 0V
2.5V fr
X1 CRYSTAL REFERENCE
C8 R4 OSCILLATOR (R) 2 øP 18 0V
82P 100K
3 COUNTER
DIVIDER
4 OSC OUT OUTPUT
(fr/fp) F OUT 17 0.1V
5 VP 14 MUX
5.0V
VCC ANALOG
D1 0.3V
VT 14-BIT LATCH CHARGE SWITCH
5.0V BISW 16
PUMP
6 DO
9 4 2 2 9 6 5 1 5.0V 3
FG 15
R21
7 GND R17
0V
4.7K 14 1 LE 14 1K
8 LD 52
5.0V
19-BIT SHIFT REGISTER 0V
0V 9 NC 0.1V
7 11
R18
C14 OSC 1-BIT 1-BIT DATA 13 10K
7-BIT LATCH 11-BIT LATCH
3P + (S) CONTROL
LATCH LATCH NC 12
Q1 7 11 0V
R19
CLOCK 11 10K
R1
BINARY 7-BIT BINARY 11-BIT 54
10K fp
SWALLOW PROGRAMMABLE
0V
(A) (B)
COUNTER COUNTER
IC1
PLL
10 f IN PRESCALER
SYNTHESIZER
(64/65 OR
R16 C2 128/129)
SWALLOW CONTROL
100 100P
1.6V
53
CN4
YD 11 R137 R139
LCD DISPLAY ASSY (B38-0146-05) 1K 1K
YD 10 63
NC 9 R138 R140
1K 1K
XR 8 61
XR 7
FFC
5
TOUCH PANEL NC 6
/
YU 5
YU 4
NC 3 R142 R141
1K 1K
XL 2
XL 1
CN5
1
FLM 1 17
M 2 15
CL1 3 14
CL2 4 12
WH
R165 1K
14 DISP OFF 5
LCD & LCDDRIVER
/
D0 6 10 Q107 Q106 R143
22K
D1 7 9 LCD BUZER
ON/OFF DRIVE
D2 8 8
D3 9 7
x a o
VDD 10
BZ101
VSS 11
BUZER
14
VLC 12
. i
R162 47K
VO 13
BACK LIGHT FGND 14
BLK RED WH
2
/
EZ FA FB FC
1 5 0
C145 0.1
C126 0.1
S104
0V
C125
0V 0V 0.1
75 1
VDD VSS
CP103
5.0V 74 2 5.0V 10Kx8
TXD WR (
1.5V 73 3 5.0V 1
10 (
RXD AS
5.0V 72 4 5.0V 2 9
(
TXEN UDS
0V 5.0V
71 5 3 8 (
RXEN LDS
5.0V 70 6 5.0V 4 7
RXD R/W
5.0V 69 5 6
LOCK
0V 68 7 5.0V
DTACK
MUTE (
8 5.0V
0V 67
UP RSTIN
9 5.0V R103 (
5.0V 66 VDD 10K
5.0V (
DOWN 10
0V 65 HALT
(
VSS 11 5.0V
0V 5.0V RESET
64 (
( 64 ) OTO 12 R128 10K
0V 63 IC106 TCK
( 63 ) Y+ 13 3.1V
5.0V 62 u-COM 1 ROMSEL 13
( 62 ) 5.0V
Y- 14
5.0V 61 RAMSEL 14
(BOTTOM VIEW)
( 61 ) X+ 15
5.0V 60 CS2/CS2A
( 60 ) X- 16 5.0V
0V 59 LCD SEL 16
VDD 17 0V
5.0V 58 VSS
C123
PROG EN 18
0V 57 2.4V CLKOUT
( 57 ) LCO PWR EN 19 20P
0V 56
EXTAL
DISP EN
0V 55 20 2.0V C122
OSC EN
XTAL
0V 54 5.0V 20P
( 54 ) 21
SCLK BUSW
5.0V 53
22 0V
( 53 ) RF PWR EN /A0 A0
0V 52
23 0.7V
( 52 ) SLE A1
/A1
0V 51 24 0V
VSS Q Q
5.0V /A2 A2
5.0V 3
25
VDD
+
( )
16
CP104
47x8 X102
10.000MHz
1 10
( A23 )
2 9
S-RAM
( A21 ) A22
(256K)
3 8
( A19 ) A20
IC108
4 7 4.6V(4.6V) 2.5V(0V)
( A17 ) A18 55 35
OSC2 VA8 35
5 6
5.0V(5.0V) 56 34 2.4V(0V) 5.0V(5.0V) 28
A16 CS VA9 34 VDD
5.0V(5.0V) 57 33 2.3V(0V) 5.0V(5.0V) 27
( A8 ) 0V(0V) 33 ( 44 )
AO VA10 WE
CP106 5.0V(0V) 58 32 2.2V(0V) 1.3V(0V) 26
47x8
VDD VA11 32 ( 30 ) A13
5.0V(5.0V) 2.2V(0V) 2.5V(0V)
1 10 59 31 25
( ) ( A0 ) D0 VA12 31 ( 35 ) A8
A15 IC107
2 9 5.0V(5.0V) 60 30 1.3V(0V) 2.4V(0V) 24
( A1 ) D1 VA13 30 ( 34 ) A9
( A13 ) A14
LCD CONTROLLER 2.2V(0V) 23
3 8 ( 32 )
( A8 ) A12 A11
5.0V(5.0V) 1 29 0V(0V) 22
4 7
( A9 ) A11 ( A2 ) D2 NC OE
2.9V(5.0V) 2 28 0.4V(0V) 2.3V(0V) 21
5 6 0V(0V)
A10 ( A3 ) D3 VA14 28 ( 33 ) A10
3.2V(5.0V) 3 27 2.6V(5.0V) 20
( A4 ) D4 VA15 ( 45 ) CE
0.2V(0V)
CP105 1.3V(5.0V) 4 26 0.9V(0V) 0.9V(0V) 19
( A5 ) 3.8V 26 ( 19 )
47x8 D5 VD0 O7
4.8V(5.0V) 5 3.5V(0V) 25 0.8V(0V) 0.8V(0V) 18
1 10 ( A6 ) D6 4.0V(0V) 5.0V(5.0V) VD1 25 ( 20 ) O6
( A7 ) 24 0.8V(0V) 0V(0V) 17
4.2V(0V) 5.0V(0V)
2 9 VD2 24 ( 21 ) O5
( )
A5 A6 0.9V(0V) 16
3 8 ( 22 ) O4
( A3 ) A4 0.8V(0V) 15
( 23 )
4 7 O3 GND
( A1 ) A2
1.9V(5.0V)
5 6
A0 ( A7 ) (BOTTOM VIEW)
u 1 6 3
y
FD FE FF FG
8 9 2 4
( 14 )
CP102
47x8 S-RAM
(256K)
1
( D7 ) 10
IC104
2 9
( D5 ) D6 0V 14 15 5.0V
3 8 GND Q3 D11
0V ( D3 ) D4
5.0V 18 6 5.0V 5.0V 13 16 5.0V
4 7 ( D10 ) Q2 Q4 D12
D3 ) 03 O13 D13 ( D1 ) D2
5.0V 5.0V 5.0V 12 17 5.0V
19 5 5 6 ( D9 ) Q1 Q5 D13
D2 ) 02 O14 D14 D0 ( 8 )
5.0V 11 18 5.0V
5.0V 20 4 5.0V (
D1 ) 01 O15 D15 D8 ) Q0 Q6 D14
0.7V 10 19 5.0V D108
5.0V 21 3 5.0V
D0 ) ( A0 ) A0 Q7 D15
00 IC105 CE
2 5.0V 5.0V 9 20 4.9V
CP101 ( A1 ) A1 CE
u-COM 2 VPP 47x8
0V 22 1 R125 5.0V 8 21 5.0V
0V ( A2 ) A2 A10 A10
OE NC 10 1
( ) 10 5.0V 7 22 5.0V
23 44 5.0V D15 (
NC VCC 2 9 A3 ) A3 OE 4
0V 5.0V 6 23 5.0V
5.0V 24 43 5.0V ( D14 ) D13
A1 ) ( A4 ) A4 A11 A11
A0 A17 3 8
5.0V 25 R123 ( D12 ) D11 5.0V 5 24 5.0V
( A5 ) A5 A9 A9
A2 ) A1 10 4 7
5.0V 26 42 5.0V ( D10 ) D9 5.0V 4 25 5.0V
( A6 ) A6 A8 A8
A3 ) A2 A16 A17 5 6
5.0V 3 26 5.0V
5.0V 27 41 5.0V D8 ( )
A4 ) A3 A15 A16 A7 A7 A13 A13
0V 5.0V 2 27 5.0V
5.0V 28 40 5.0V
A5 ) A15 ( A12 ) A12 WE 6
A4 A14
5.0V 1 28 5.0V
( A14 ) A14 VDD
RESET
(BOTTOM VIEW) IC110
2 1
IN OUT
GND
3
C121 3.4V
0.1
D104
L104
7 6 3 1 5 1 5 0 8
+
7.0V
1.0V
Q105
L103 D103
LCD +
DRIVE
0V
(-20V) IC102
+B
5.5V
5.0V 3.3V 2.5V
Q104
7.0V
5.0V
0V
2.5V
VDD
DB1 DB1
DB2 DB2 NEG
EDGE
DELAY
ONE
SHOT
Q
Q S T
EXPANDER Q
Q R
IC109
CLK
0V 1 16 5.0V
1 0.4V(0V) ( 1 ) AIN0 VDD
A14 28 S Q
0V 2 15 0V –
2 2.2V(0V) ( 2 ) AIN1 AOUT + R Q
31
A12
3 3.3V(0V)
0.1V
A7 43
1.6V(5.0V)
4 0.5V
A6 42 1.5V +
0V 3 14 LINEAR
5 1.6V(0V) ( 3 ) AIN2 VREF
A5 41 REGULATOR +
0.7V 4 –
6 2.5V(0V) ( 4 ) AIN3 + +
40 – +
A4 – MASTER +
7 2.5V(5.0V) 13 0V BIAS & UVLO Q S – 0.2V
A3 39 AGND Q R 16V +
8 2.5V(5.0V) 5 – –
0V 12 +
A2 38 A0 0V EXT
9 2.5V(5.0V) 0V 6 11
A1 37 A1 OSC
5.0V
10 2.5V(0V) 0V 7 10
36 77
A0 A2 SCL
11 0.9V(0V) 8 9 5.0V
0V IC102
O0 26 VSS SDA 76 1.9V 2.5V 0.2V 1.3V
12 0.8V(0V)
INVERTER
O1 25 0.2V
13 0.8V(0V) R121
O2 24 5.0V
200K
14 0V(0V) m
c o
R155 R120
560K 1M
.
FH FI FJ FK
9 8 2 9 9
CAUTION: For continued safety, replace safety critical
components only with manufacturer's recommended parts
(refer to parts list). indicates safety critical components.
5.0V
For continued protection against risk of fire, replace only
with same type and rating fuse(s). To reduce the risk of
electric shock, leakage-current or resistance measurements
shall be carried out (exposed parts are acceptably insulated
from the supply circuit) before the appliance is returned to
the customer.
D102
BACK-UP SEL.
The DC voltage is an actual reading measured with a high
IC103 5.0V D101
impedance type voltmeter with no signal input. The
1 8
measurement value may vary depending on the measuring
GND VCC
5.0V 5.0V
2 7 instruments used or on the product.
RST Y
5.0V 3 6 5.0V
CS VO
4 5 4.9V
VBATT CS
DOLBY and the double-D symbol are trademarks of Dolby
1
RXD
Laboratories Licensing Corporation. Noise reduction circuit
LCD ON:3.4V 2
LCD OFF:0V TXD
3 made under license from Dolby Laboratories Licensing
TO KC-Z1
GND
4 Corporation.
ON HOOK
D106
5
+B
6-8.2V 9.0V
3.9V 7.0V
+5V AVR
IC101 R156
0.2 CN2
3 4 D105 (FUSE)
CONT VIN 5 VBATT
2 5
GND GND 4
1.2V 1 6 5.3V
BYP VOUT + 3
TO DR17
C105
0.1 + (BATTERY)
2
(BOTTOM VIEW)
1 GND
+
9 2 4 9 8 2 9 9
BACK LIGHT
CONVERTER
Q103 7.0V
TO BACKLIGHT
1 8
2.2V (LCD)
S1 D1 C110 CN3
5.5V 2 7 L102 39P
L101 VFT1
G1 D1 3
100uH (RED)
0V 3 6 2.2V
S2 D2 2
0.3V 4 5 2.2V
1 VFT2
G2 D2
C111 (BLK)
2.1V
2.5V 0.1
2.1V
Q102
1.0V 3.3V
Q101
2.5V
0V 0V
R115 R114
39K 22K
Q101,102
L102
DRIVE
DB3 SWITCHING
RESONANT
THRESHOLD
DETECTOR
OSCILLATOR
2.1V
R113
1.3V
100K
KC-Z1/RC-Z1
RC-Z1
KC-Z1(M)(8/8)
Y05-3140-10
FL