Denon PMA-2000 IV Service Manual - Page 8

OTHERS/TRANSISTORS, GP1U27X Remote Control Sensor - integrated amp

Page 8 highlights

PMA-2000IVR LB1639 (IC902) TOP VIEW VIN1 1 GND 2 VCONT 3 VIN2 4 8 VOUT1 7 VCC 6 N.C. 5 VOUT2 VOUT1 VOUT2 85 VREF BA4558 (IC701) NJM2082D (IC201) 7 VCC 3 VCONT 2 GND A OUTPUT 1 A -INPUT 2 A+INPUT 3 V4 1 2 8V 7 B OUTPUT 6 B -INPUT 5 B +INPUT VIN1 1  OTHERS GP1U27X (Remote Control Sensor) (IC103) TOP VIEW 4 VIN2 6 N.C. Head Amp Limiter Amp BPF Detector & Comparator Integrator Hysteresis Comparator Vout Vcc GND GND Vcc Vout  TRANSISTORS 2SA933S (S) 2SA988 (E/F) 2SA1145 (O/Y) 2SA1546 (M/L) 2SB1328 (P) 2SC1740S (S) 2SC1841 (E/F) 2SC2705 (Y) 2SC3421 (O/Y) 2SC4001 (M/L) 2SD2004 (P) FRONT VIEW ECB 2SA1837 (Y) 2SC4793 (Y) FRONT VIEW B CE DTA114ES DTC114ES DTC143ES DTC143ZS DTC144WS FRONT VIEW ECB DTA114ES DTC114ES DTC143ES DTC143ZS DTC144WS PNP Type NPN Type C R1 B R2 E R1 R2 DTA114ES 10kohm 10kohm R1 R2 DTC114ES 10kohm 10kohm DTC143ES 4.7kohm 4.7kohm DTC143ZS 4.7kohm 47kohm DTC144WS 47kohm 22kohm 8

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35

8
PMA-2000
IV
R
BA4558 (IC701)
NJM2082D (IC201)
A OUTPUT
A –INPUT
A+INPUT
V
B OUTPUT
V
B –INPUT
B +INPUT
1
2
3
4
5
7
8
6
1
2
NPN Type
DTC114ES
DTC143ZS
10kohm
10kohm
4.7kohm
47kohm
2SA933S (S)
2SA988 (E/F)
2SA1145 (O/Y)
2SA1546 (M/L)
2SB1328 (P)
2SC1740S (S)
2SC1841 (E/F)
2SC2705 (Y)
2SC3421 (O/Y)
2SC4001 (M/L)
2SD2004 (P)
2SA1837 (Y)
2SC4793 (Y)
DTA114ES
DTC114ES
DTC143ES
DTC143ZS
DTC144WS
FRONT
VIEW
B
C
E
FRONT
VIEW
BCE
FRONT
VIEW
B
C
E
DTC143ES
DTC144WS
47kohm
22kohm
R1
R2
R1
R2
E
C
B
LB1639 (IC902)
1
2
3
4
5
7
8
6
V
CC
N.C.
V
OUT2
V
IN1
GND
V
CONT
V
OUT1
V
IN2
4
6
8
5
1
7
3
2
V
IN1
V
OUT1
V
OUT2
V
CC
V
CONT
GND
V
IN2
N.C.
V
REF
TOP VIEW
PNP Type
DTA114ES
R1
R2
10kohm
10kohm
DTA114ES
±
OTHERS
GP1U27X (Remote Control Sensor)
(IC103)
GND
Vcc Vout
Head
Amp
Limiter
Amp
BPF
Detector &
Comparator
Integrator
Hysteresis
Comparator
TOP VIEW
Vout
Vcc
GND
±
TRANSISTORS
DTC114ES
DTC143ES
DTC143ZS
DTC144WS
4.7kohm
4.7kohm