Kenwood VR 3080 - Dolby Digital Receiver Service Manual page 25

CC
(X08-297X-XX) (D/10)
B
R945 47K
VDD
R943 47K
R942 47K
R941 47K
R940 47K
R939 47K
R918 220
R938 47K R919 220
C904
R937 47K 100P R917
D910 D911
33K
R936 47K
R944 C900
47K 33u50
+
4.9V
VDD
5.0V
5.0V
5.0V
R900
D909
10
+5.8V
1/4W
+
R923 100
R921 100
R920 100
R924 100
VDD
R981 10
1/4W
VDD
5.0V
G V
A91
5.0V
REMOTE
O
SENSOR
G G
CD
IC65,66 : BA7626F
IC67 : TC74HC14AF
IC91 : uPD780204-038
Q641,642,651-654
: 2SC4081(R,S)
2SC4116(Y,GR)
Q643,655 : 2SC4213(B)
Q661 : UN5112 or
DTA124EUA
Q901-907 : UN5212 or
DTC124EUA
Q911 : 2SC4097(Q,R)
D651 : MA111
D901-903,907
: B30-2493-05
D904,905 : B30-2430-05
D906 : B30-1010-05
D909 : U1BC44
D910,911 : UDZ3.3B
D912 : UDZ5.6B
ED1 : 16-MT-62GK
A91 : W02-2571-05
SIGNAL LINE
GND LINE
B LINE
+B
B LINE
B
VR-3080 (X08-2970-10)
DESTINATION
UNIT No.
ABB.
COUNTRY
U.S.A. K
0-10
CANADA P
KRF-V7772D (X08-297X-XX)
DESTINATION
UNIT No.
COUNTRY ABB.
PX Y 2-91
M 0-21
GENERAL MARKET
X 0-71
AUSTRALIA
J 0-01
JAPAN
CN92
1 u-COMVDD
2 u-COMGND
3 -B
4 F1
5 F2
VDD 6 IRVDD
7 IRGND
8 CLK
9 DI
10 DO
11 ST F
12 RST
POWER SW (TACT)
(X08- ) (E/10)
13 REM STANDBY
S96
E91 WH91 E92
4 4
3 3
2 2
+5V +5V
D907
R925
1 1
470
Y05-3850-10
CE
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,
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.
The DC voltage is an actual reading measured with a high impedance
type voltmeter with no signal input. The measurement value may vary
depending on the measuring instruments used or on the product.
TC7S00F S-80740AL-A4
CS4226KQG
R667,
Q661 J65,66
A
668
NO NO NO E56-0011-05
LA1837
R667,
J65,66
A Q661
668
NO NO NO E56-0011-05
YES YES YES E56-0019-05
TA78057S
VR-3080 (4/4)
KRF-V7772D (4/4)
KRF-V7772D/VR-3080
CF CG
indicates
NJU7312AL
NJU7313AL
YSS912
TC7WU04FU
5
8
1
L88M33T
4