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A B C D E
KRC-794/Y
1 DTA123JK 2SB1548 DAN202K
DTA124EK
DTC114YK
DTC124EK
DTC143TK (X14-6442-73)
WHT GRN
DTC143ZK FL+
WHT/BLK
8 16
GRN/BLK
RL+
DTC144EK FL-
GRY/BLK
7 15
VIOL/BLK
RL-
FR- 6 14 RR-
KRC103S DAP202K FR+
GRY
5 13
VIOL
RR+
CH CN J3
1
UN5213 BLU/WHT PNK/BLK
EXT. CONT. 2
ANT. CON 4 12
2SA1576A
2SB1218A 2SB1277 BLU/WHT
3 11
BRN
TEL MUTE 3
2SB709A 2SB1443 RED
2 10
ORG/WHT
4
2 BLK YEL
2SC2412K 1 9
REQ H
CH CON
MUTE
A GND
D GND
B.U.
RST
TC74HC02AF
R72 4.7K
R73 4.7K
R74 4.7K
R71 100
GND
BU
2SA1037K 2 4 6 8
+B
A ACC
2SB1188 2SC4081 1 3 5 7
M5237ML B
2 4 6 8
D22
1 3 5 7
100K
3
R80
RR+
FR+
RL+
FL+
28
26
29
27
RR-
FR-
RL-
FL-
DC CORD
(E30-4942-05) : KRC-794/Y
DTA114EUA
2SB1184 DTC144EUA TDA7479D
KRC104S
+B
4
(X87-3022-71)
(X87-3022-71)
IC1 : CXA2560Q
VR2
10K
C8 R12 EQ AMP
Q1 : DTC124EK or 0.01 1K
KRC103S
C14 0.1
C12
0.1
DOLBY
R7 20K
4.16V OFF,B : 0.4V
C: FF,REW : 0V
26 0V
PLAY : 4.05V
30
29
28
27
25
24
23
22
21
FWD : 0V CN4
470P
TAPE MECHA (D40-1146)
24K
C4
R4
REV : 4.84V
PBTC2
PB OUT2
GND
LINE OUT2
TCL2
TCH2
OUT REF2
DIREF
MS SW
4.06V
TAPE IN2
CN3 C16 R6 13 D GND
33u50 180 31 MS 20
5 5 PB FB2 MODE 20 METAL
Lch + 32 19 ON : 0V PACK
PB R IN2 1.23V DR SW 19 OFF : 4.84V IN SW
REV 4 4 0V 4.06V 4.06V 4.04V 18 MUTE S1
5 Rch 3 3 33
PB GND 4.02V
R
TAPE SW 18 ON : 4.77V
12 TAPE IN
34 DOLBY OFF : 0V
PLAY 2 PB F IN2 4.06V ON : 4.43V 17
470P
C5
24K
Rch OFF : 0V MUTE SW 17 20 11 MS MODE
C2
R2
2 33u10 35
VCT 16 19 10 F/R
4.04V DOLBY NR SW 16
+ IC1 B : 0V 15
FWD C1 470P NR MODE 15 18 9 MTL
C : 4.73V
R1 24K 36 14 17 8 MUTE
PB REF 4.03V MS OUT 14
Lch 4.06V 37 16 7
DOLBY
1 1 PB F IN1 L 13 DPSS : 4.94V ON/OFF
C3 470P MSTC
0V 38 DOLBY 4.10V PLAY 0V DOLBY
CM1 CM2 PB GND 4.06V 12 15 6
OFF : 0.4V G1FB B/C
MAIN SUB R3 24K 4.06V 39 11 DPSS : 0V
LINE OUT1
4.02V B,C :
OUT REF1
PB R IN1 G2FB PLAY : 2.9V 14 5 MS OUT
TAPE IN1
PB OUT1
M M W11 C15 33u10 R5 40 4.12V
MSLPF
PBTC1
PB FB1 8.11V C23
TCH1
TCL1
VCC
+ 180 Q1
NC
0.47
R10 33K
4700P R8 220K
C17 0.47 R9 2.7K
1 SUB+ 4.06V 22K
1
0.033
2
10
3
5
6
C13 0.1 8
9
4
7
2 SUB-
C24
4.10V
R14 10K
3 MOT+B 4.04V
22K
C7 R11 +8V 4 +B 8V
C11
0.1
4 MOT-G 0.01 1K
C20
3 OUT R
5 MODE3
47u10
2
+
C6
C 1 4.10V 2 A GND
6 6 MOED1
VR1
10K
+8V
3 7 MODE2 1 OUT L
MODE SW +5V 8 PON 5V
9 F REEL R13
SUPPLY SUPPLY 4.7
10 ANODE
REEL K E
11 R REEL 3 2 1
12 NC CN2
GND
R
L
A C
+5V
TAKE UP
K E 2
A C
TAKEUP
REEL
7
14 X14-6442-73 (1/4)
F G H I J
KRC-794/Y
DC IN
J1
73) 16 15 14 13 12 11 10 9 J2
F1 10A
J3 TOP VIEW 8 7 6 5 4 3 2 1
L12 BUP
P-CON
TEL MUTE
RL+
FL-
RL-
FL+
RR-
GND
FR-
FR+
RR+
DIMMER
ANT
ACC
13 11 12 8 4 3