P
Q
R
S
T
1
2
3
4
5
6
7
WH1
ANT
CN1
A1
Q89
Q87
Q86
Q88
Q85
Q90
CN2
Q45
IC1
:
IC2
: TDA7407D
IC3
: M5237ML
IC4
: TA8263BH
IC10
: TC74HCO2AF
IC11
: TDA7479D
IC13
: BA6238A
IC15
: S-80837ANNP
D1
: RD6.8MW
D3,22
: MA3062-M
D5,6,50,51
: DAP202K or
D11,13-18,38-40,44
: AM01Z
D21
: MA3062WA
D31
: RM1OZLF
D32
: RB160L-40
D33,36
: MA4056(N)-M
D37
: MA4062(N)-M
D41
: 1SS133
D42
: MA4220-H
D43
: MA4056-M
D45
: MA4075-M
D46
: MA4036-H
D52,82
: DAN202K or
D81
: MA3047-M
Q18,72,86,87
: DTC124EK or
Q20,22
: 2SB1548(P)
: 2SC2412K or
Q31,41,43
: DTC114YK or
Q32,46
: DTC144EK or
Q39
: DTA123JK or
Q85
: DTC144EUA or
SIGNAL LINE
Q46
MA4110-L
:
D53
DTC143TK or
Q1-4
:
Q21,24,34,37,73,90
2SA1037K or
:
Q23,29
2SB1277(Q,R)
Q28
:
2SB1184
Q33
:
Q36,44
UMC2N
:
Q38,42
2SB1443
:
2SA1576A or
Q45
:
2SB1188(Q,R)
Q88,89
:
J1
2/2
X16-
J1
D2
:
D2
D81
AM +B
SW
FM +B
SW
IFC OUT
BUFFER
UPD703033GC138
IMSA-6801
M1F60
D12
:
COMPOSITE
OUT BUFFER
RDS
DECODER
PANEL
5V SW
B LINE
MA152WA
MA152WK
UN2216
KRC103S
2SD601A
2SB709A
KRC107S
KRC104S
KRA105S
2SB1218A
UN5213
(X14-6442-7X)
KRA103S
DTA124EK or
Q19,30,71
:
SUB
M
22K
22K
22K
22K
47K
47K
47K
47K
0V
5V
0V
0V
5V
5.0V
2.5V
5V
5.0V
2.5V
0V
0V
0V
5V
0V
5.0V
0.6V
5V
0V
0V-4.8V
0V-4.0V
5V
0V
0V
5V
5V
0V
5V
0V
0V
5V
0V
5V
0V
5V
0V
5V
0.6V or 1.6V or 4.0V
5.0V
0V
5V
IC11
KRC-794/Y (1/2)
A
(X16-1180-10)
MASK MECHA
2
1
82
81
87
10u6.3
EXTRES
GND
1
2
+
10u6.3
3
C224
4
330P
C222
5
10P
14
RDDA
RDCK
QUAL
16
OSC0
VREF
15
T57
13
OSC1
MPX
X3
VCC
OSEL
12
C223 10P
C221
6
7
8
C225 0.01
TSEL
FILOUT
ARI
11
10
TM
9
+
5
4
3
2
1
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
70
71
72
73
74
75
PLL CLK
PLL D
A
T
A
AFC
FM+B
AM +B
NC
MC CLK/L CLK
MC DATA/L DATAS
SC DATA/L DATAL
CH CLK
CH DATA H
CH DATA C
BU DET
MTL
EQ MUTE
NC
SC REQ/KEY REQ
CH REQ C
R CLK
DOLBY
PACK DET
MUSIC
IFC OUT
R QUAL
R DATA
S METER
NOISE
SRM DET
NC
F REEL
A
V
CONT
A VDD
A VSS
AV
R
E
F
PHONE
R REEL
CP9 4.7K
CP8 2.2K
R364
L10
100K
CP7 2.2K
R340 2.2K
R339 10K
R338 1K
2.2K
1K
C304
88
96
81
87
82
86
84
85
92
89
91
99
95
94
78
79
47K
R365
R366
47K
R303 470
R302 470
R304 4.7K
1
2
4
5
R301 1K
2
1
4
3
6
5
8
7
9
11
10
12
13
R376 470
R374 470
R373 470
R372 1K
R371 1K
R370 470
ILL GND
ILL +B
L CLK
L-CE
RESET
L-DATAS
L-DATAL
DIMMER
PAN RESET
REMO
NC
D GND
VDD
17
10
89
65
99
98
64
RDS OUT
AM IF OUT
S METER
AUDIO OUT
VDD 5V
NOISE OUT
DIG GND
SDA
SCL
IFC OUT
PLL + B
OSC GND
VT
FM ANT
OSC GND
OSC GND
W/N
OSC GND
AM + B
FM + B
AM ANT
RF GND
IF1 GND
IF1 + B
1K
R166
22K
R168
4.7uH
L3
R165
1K
22K
R167
4.7uH
L7
L6 4.7uH
4
5
10
13
47K
R172
1
2
4.7K
R220
1K
1
2
6
4
3
5
7
2.2K
R196
2.2K
R195
2.2K
R192
100K
R191
67
10
78
66
63
4.7K
R218
47K
R217
53
93
22K
R348
0.01
C173
R286
47K
22K
470
R344
1M
R347
W102
98
R361 1K
R345
1K
R332
1K
R331
100u10
C154
+
L4
4.7uH
L5
4.7uH
W106
R221
10
C172
0.01
47
R83
100K
R375 1K
1K
R377
S.GND
S.GND
RESET
PAN RESET
VDD
D GND
N.C.
REMO
DIMMER
L-DATAL
L-DATAS
L-CE
L CLK
ILL GND
ILL +B
17
19
20
18
15
16
14
13
12
9
10
8
4
7
6
5
2
3
1
21
22
23
24
11
Q90
CONT
1000P
R333
R335
C226
+B
+8V
+8V
+8V
+8V
+8V
+8V
+8V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
R288
376
NO
MODEL NAME
KRC-794/Y
UNIT
No.
2-73
R324
YES
1K
R367
R323,
3
R219
75
76
RST
52mH
L1
GND
1
3
SRM DET
SUB -
4
2
SW 2
5
7
SUB +
6
SW 3
SW 1
ILL +B
ILL +B
3
+5V
VDD
N.C.
D GND
REMO
PAN RESET
L-DATAL
DIMMER
L-DATAS
ILL GND
L-CE
L CLK
RESET
ILL +B
+8V
+8V
+8V
+8V
3
1
2
4
7
5
6
1
2
3
4
5
6
8
7
9
10
11
12
13
5
4
3
2
1
13
12
11
10
9
8
6
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 (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 or/and units.
!
KRC-794/Y
17
X14-6442-73 (4/4)
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299