Denon PMA-2000AE Service Manual page 7

LB1639 (IC902)
V V
1
8
IN1 OUT1
V
GND 2
7
CC
3
V
N.C.
CONT 6
4 5
V V
IN2 OUT2
GP1U271XK (Remote Control Sensor)
(IC904)
ıTRANSISTORS
2SA933S (S)
2SA988 (E/F)
2SA1358 (O/Y)
2SA1546 (L)
2SC1740S (S)
2SC1841 (E/F)
2SC3421 (O/Y)
2SC4001 (M/L)
FRONT
VIEW
E C B
V V
OUT1
OUT2
8 5
V
REF
1
V
IN1
Head Limiter
BPF
Amp Amp
2SA1837 (Y) DTA114ES
2SA1488A (Y)/(G)
2SC3851A (Y)/(G)
2SC4793 (Y)
FRONT
VIEW
PNP Type
B C E
DTA114ES
E2 model
BA4558 (IC701)
NJM2082D (IC201)
7 V
CC
A OUTPUT
3 V
CONT
GND
2
PQ1CG41H2FZ (IC903)
4
V
IN2
N.C.
6
Detector & Hysteresis
Integrator
Comparator Comparator
GND Vcc Vout
FRONT
VIEW
E C B
R1 R2
10kohm 10kohm
7
PMA-2000AE
1 8
1
A –INPUT
2 7
2
A+INPUT 3
6
V
4 5
DTC114ES
DTC143ES
DTC143ZS
DTC144WS
NPN Type
FRONT
VIEW
R1
B
C
E B
R1
DTC114ES 10kohm
DTC143ES 4.7kohm 4.7kohm
DTC143ZS 4.7kohm
DTC144WS 47kohm
V
B OUTPUT
B –INPUT
B +INPUT
C
R2
E
R2
10kohm
47kohm
22kohm