Kenwood RXD-NV500 Service Manual page 22

BI BJ
(X28-3010-XX) (B/4)
CN201
N-REG 1
N-REG-GND 2
1
NC 3
R251
REM-SW 4
4.7K
REM-GND 5
REM+5V 6 +5V
D+5V 7 +5V
D-GND 8
REM 9
TxD 10
RxD 11
2
X29-A/3
-2/2-CN2
3/5
D
3
U-GND 12
U+5V 13 +5V
L-DATA 14 14
L-CLK 15 15
4 LED1 16 16
LED2 17 17
REN 18 18
PWR 19 19
REQ 20 20
R246 100
R-DATA 21 21
R247 100
R-CLK 22 22
R244 100
R-STB 23 23
KEY1 24 24
KEY2 25 25
5 CN202 R206
10
REM SW 1
REM GND 2
REM GND 3
REM +5V 4 +5V
R249 100
REM TxD 5
R250 100
REM RxD 6
6
D217
X07-A/7
-CN2
4/5
I
7
BK BL
+5V +5V
MD
CD TAPE
TUNER
POEWR /BAND or MUTE
S1 S2 S3 S4 S5
R207 R212 R219 R223 R228
1.3K 620 360 270 200
EJECT (MD)
VOLUME VOLUME
STOP
S10 S9 S8 S7
R208 R213 R220 R224 R229
1.3K 620 360 270 200
+5V
+5V +5V
CD TUNER TAPE
D201 D202 D203
(GRN) (GRN)
+5V +5V
+5V
5.1V
IC201
(BOTTOM
VIEW)
LED
DRIVER
R211 470
14
R214 470
15
BM BN
(X28- ) (D/4)
(CD)
S6
E5
WH203
E4
R230
R248
1.2K
3.3 1/4W
R203
3.3 1/4W
REMOTE
TRANSMIT
14.3V
Q203
+5V
+5V
MD/MUTE
D204
(X28- ) (C/4)
E2 E3
WH202
1 REM 1
2 U-GND 2
R215
3 U+5V 3
+5V +5V
4 S-GND 4 47
+5V
STANDBY
/TIMER
D205
RXD-NV500 (X28-3010-XX)
DESTINATION
UNIT No.
COUNTRY ABB.
U.S.A. K
3.7V
CANADA P
Q201 Q202
GENERAL MARKET M
EUROPE E
U.K. T
0V
RXD-NV600 (X28-3010-XX)
DESTINATION
STANDBY
UNIT No.
COUNTRY ABB.
17
U.S.A. K
CANADA P
GENERAL MARKET M
AUSTRALIA X
U.K. T
RXD-NV550MD (X28-3010-01)
DESTINATION
UNIT No.
COUNTRY ABB.
JAPAN J
RXD-NV500/NV600/NV550MD 5/5
BO BP
+5V
C215 100P
C216 100P
C217 100P
IC203
(BOTTOM VIEW)
EXPANDER
IC
+
0V 0V
2.5V
2.4V
14.3V
R233
1M
Q204
X201
3.64MHz
+5V
J1
S-GND
R218 A201
1K
4.9V
D223
VOUT
4.9V
C212
VCC D224
+
220P
TC
B
C213
GND
470P
L-CH
C214 R-CH
470P
B
TC
REMOTE
SENSOR
1 2 3 4 5
E1 P1
WH201
S10 R208
IC201 : BU2090F
0-10
IC202 : UPD17215GT-737
NO NO
IC203 : NJU3711M
0-51
Q201,202 : UN4212 or DTC124ESA
Q203,204 : 2SC3246
S10 R208
CAUTION: For continued safety, replace safety critical components only
with manufacturer's recommended parts (refer to parts list).
safety critical components. For continued protection against risk of fire,
0-10
NO NO
replace only with same type and rating fuse(s). To reduce the risk of
electric shock, leakage-current or resistance measurements shall be
0-51
carried out (exposed parts are acceptably insulated from the supply cir-
cuit) before the appliance is returned to the customer.
S10 R208
RXD-NV500/NV600
0-01 YES YES
Y39-3260-10
BQ BR
IC202
(BOTTOM VIEW)
REMOTE
u-COM
HEADPHONES
The DC voltage is an actual
reading measured with a high
impedance type voltmeter with
no signal input. The measure-
ment value may vary depending
on the measuring instruments
used or on the product.
GND LINE
B LINE
+B
D201-205 : B30-2538-05
D206 : B30-2542-05
D207 : B30-2546-05
D208 : B30-2555-05
D209-216 : B30-2532-05
D217 : DA204U
D218-222 : UDZ5.6B
D223,224 : 1SS133 or HSS104A
A201 : W02-2704-05
indicates