Denon dcd-485 Service Manual page 18

BA15218F (for DCD-485 : IC303)
(for DCD-685 : IC323, 324)
A OUTPUT
1
A
A - INPUT
2 - +
A +INPUT
3
-
- B
4
V
TRANSISTORS
2SB562 (C)
B (Base)
C (Collector)
E (Emitter)
DTA124XKA
PNP TYPE
DTA144EK
DTC114EK
DTC144EK
NPN TYPE
DTC144TK
3
2
1
1: E/GND
2: B/INPUT
3: C/OUTPUT
DIODES
1SS270A
Navy Blue
18
+
+B
8 V
B OUTPUT
7
B
+ -
6 B - INPUT
B +INPUT
5
2SB1185 (E/F)
2SD1762 (E/F)
E (Emitter)
C (Collector)
B (Base)
B
DTA124XKA
DTA144EK
1SR35-400A
IC PROTECTOR
ICP-N20 (IC503)
2SD2144S
B (Base)
C (Collector)
E (Emitter)
PNP TYPE
C
R 1
R 2
E
R1 R2
22kohm 47kohm
47kohm 47kohm
MTZJ24A
MTZJ6.8A
HZS2B-1 (for DCD-685)
Dark Blue
2SA1037K (S/R)
2SC3326 (for DCD-485)
3
2
1
1: Emitter
2: Base/IN
3: Collector
NPN TYPE
C
R 1
B
R 2
E
R2
R1
DTC114EK 10kohm 10kohm
47kohm 47kohm
DTC144EK
47kohm
DTC144TK OPEN
OPTICAL TERMINAL
TOTX179 (JK201)
1
2
1. GND
3
2. Vcc
3. Input