Page 1
ABCDEFGH I JKLMN
DSP-R495/RX-V495RX-V495RDS/HTR-5140/HTR-5140RDS
■ SCHEMATIC DIAGRAM (DSP)
TO INPUT(3) CB354
P60
M-8
1
2
DIGITAL
IN
4.9
0.2
3
00
0
4
Point 5
Pin 13 of IC3
V : 2V/div H : 50nsec/div
AC range 1 : 1probe
0
0
0
0
4.9
4.9
4.8
0
4.9
0V
5
2V SAMPLE 50ns
Point 6
Pin 13 of IC4
V : 2V/div H : 50nsec/div
AC range 1 : 1probe
6
0V
2V SAMPLE 50ns
7
11
12
8
4.9
9
10
0
0
~
0
4.9
0
4.9
0
4. 9
0
4.9
0
0
4.9
0
4.9
0
8
3
2
0
14
13
0
7
0
0
DIR
~
1
0
4
0
5
0
6
2.2
4.9
2.4
2.4
4.9
5
2.3
4.9
6
0
2.2
2.42.4
5
4
CONTROL
LC87F5164A
(LC875164A-5K20)
2.4
2.3
0.2
0
0
7
1.0
1.0
0.1
0
0
0.1
0.1
0.1
4.7
2.3
4.9
0
0.2
2.4
4.9
4.9
4.9
2.4
2.4
2.4
0
0
3.1
L.P.F
3. 1
2. 4
2. 4
~
0
2. 3
0. 9
4. 6
0. 1
0
3.1
0
0
0
0
0
0
0
0
4.8
0
4.9
0
0
0
0
0
0
0
0
0
~
~
4.7
2.4
2
3
2.4
1
DOLBY DIGITAL
PRO-LOGIC DECODER
+
DSP
0
0
2.4
3.1
4.7
2.3
2.4
1.503.1
4.7
4.6
2.4
2.4
2.3
2.4
0.9
2.4
~
~
2.4
2.4
~~~
~
0.1
~~~
0
~
~
~
0
0.1
0.100
0.1
0
0.1
0.1
0.1
~
~
~
4.9
~
RAMDSP
~
0.8
0.8
4.8
4.9
0.2
0
4.9
4.9
4.9
6
4.9
4.9
0
2.4
2.4
0
~
~
2.4
2.4
2.4
3.1
0
4.7
4.7
4.8
4.8
2.4
2.4
4.8
2.4
4.8
2.4
2.4
2.4
0
0
2.4
2.4
0
0
2.4
2.4
11.7
8
6
4
-11.4
2.4
5
7
1
7
2.4
2.4
3
2.4
1
2
2.4
2.4
-11.4
4
11.7
8
2.4
6
5
3
2.4
2
2.4
MAIN L
(DSP)
2.4
2. 4
2. 4
4.9
4.9
0
0
2.304.8
0
0
0
ADC/
DAC
0
~
~
~
0
0
4 .8
2.4
0
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
MUTING
0
0
0
0
0
0
0
0
4.9
4. 7
DAC
00
0
0
4. 8
0
2. 3
4. 9
2. 4
~
2. 4
0
0
4. 8
0.5
0
0.2
0. 5
4.8
0
0
4.8
00.5
0
4 .9
0
4 .9
2 .4
2.4
2.4
0
4 .8
0
0
0
0.2
0
4.7
0
0.2
MUTE
DRIVE
4.6
0.6
0.6
- 10.8
- 10.8
- 10.8
- 10.8
- 10.8
0
0
0
0
0
0
0
0
0
0
0
0
0
- 10.8
-10.8
0
-10.8
0
DSP AMP
0
0
0
0
0
0
0
0
11.7
0
0
0
-11.4
0
CENTER
11.7
-11.4
0
FRONT L
0
D-1
TO INPUT(1) CB102
P60
0
MAIN
L
0
4.9 3.3
0
4.8
4.904.8
8
9
4.9
0
4.9
4.902.1
TO INPUT(1) CB106
H-8
P60
2.5
4.9
0
0
IC1 : NJM2904M
IC8~13 : uPC4570G2
IC2 : HD74HC02FP
Quad 2 Input NOR
- 10.8
- 10.8
IC7 : AK4320
1 bit D/A Converter
0
0
0
11.7
0
0
0
REAR L
0
0
-11.4
0
Dual OP AMP
Vcc4A4B
4Y
14 13 12 11 10 9 8
3Y
3B
3A
10
63
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.
1SS355
Cathode
Anode
2SC3326(A,B)
DTA144EKA
DTC144EKA
UPC29M33T-E1
NJM2904M
uPC4570G2
HD74HC02FP
AK4320
24
A OUT
A –IN
A +IN
V–
M5M51288BKJ-20LTEL
13
12
AK4526
LC87F5164A
YSS908-F
• IC3~6, 14→See page 29~35, IC DATA
V+
B OUT
B –IN
B +IN
1234567
1B
1A
1Y
2Y
2A
2B
GND
Conditions (RX-V495RDS)
• INPUT → CD
• VOLUME → minimum(–∞)
• IMPEDANCE
SELECTOR → Upper
• PRO LOGIC → On
★
All voltages are measured with a 10MΩ/V DC electric volt meter.
★
Components having special characteristics are marked and
must be replaced with parts having specifications equal to those
originally installed.
★
Schematic diagram is subject to change without notice.
Page 2
BACDEFG
DSP-R495/RX-V495/RX-V495RDS/HTR-5140/HTR-5140RDS
■ SCHEMATIC DIAGRAM (INPUT)
1
H
VIDEO SELECTOR & AMP
3.8
2
VCR-IN
11.8
6.4
5.7
6.4
7.0
VCR-OUT
VIDEO
SIGNAL
VIDEO
TV/DBS
3
DVD/LD
3.804.706.4
3.8
3.8
11.8
TO INPUT (1)
CB101
P60 D-8
7.4
0
0
TO OPE (2)
CB807
P62 J-2
MONITOR
OUT
4
PIN CONNECTION DIAGRAM OF
TRANSISTORS AND IC’s.
2SC1740S(R,S)
2SC1815(Y)
LA7956
IC303 : LA7956
Video Switch
5
Conditions (RX-V495RDS)
• INPUT → CD
B
C
E
E
C
B
★
All voltages are measured with a 10MΩ/V DC electric volt meter.
★
Components having special characteristics are marked and
must be replaced with parts having specifications equal to those
originally installed.
★
Schematic diagram is subject to change without notice.
58
6
59
• VOLUME → minimum(–∞)
• IMPEDANCE
SELECTOR → Upper
• PRO LOGIC → On
Page 3
AB C D E F G H I J K L M N
DSP-R495/RX-V495/RX-V495RDS/HTR-5140/HTR-5140RDS
■ SCHEMATIC DIAGRAM (INPUT)
1
TO OPE(4) CB802
P62
REAR L
MAIN L
TO DSP CB6
P63
N-4
FRONT L
MAIN L
(DSP)
MAIN L
(DSP)
H-4
VOLUME AMP
MAIN L
11.8
8
0
3
1
0
0
2
PHONO(MM)
2
3
AUDIO
SIGNAL
4
IN
3
(PLAY)
OUT
4
(REC)
5
EQ AMP
11.4
0
3
8
0
2
6
0
0
4
5
-11.2
1
0
7
0
MAIN L
INPUT SELECTOR
0
0
00 00
00
00
00 00
00 00
0000
TUNER LEVEL
CONTROL
CENTER
0
0
0
0
11.9
6
0
8
7
0
0
CENTER
24.0
8
0
3
2
0
0.1
6
0.1
0.1
5
4
-23.9
MAIN
CONTROL
MAIN L
11.9
0
4
0
0
0
0
0
-11.6
2
3
0
7
8
0
5
6
CENTER/SUB WOOFER/FRONT/REAR AMP
1
0
0
0.1
0.1
7
0.1
0.2
FRONT L
REAR L
MAIN L(DSP)
0
0
0
0
0
0
24.0
0
6
8
0
0
0
0
0
0
0
0
0
0
0
0
0
00
0
0
0
0
0
0
0
DSP AMP
0
0
0
7
0
5
5
0
7
6
0
0
8
24.0
-23.7
4
0
3
0
2
0.1
0
2
0
3
4
-23.7
6CH
SELECTOR
CENTER
0
000
00 0
0
1
1
0
FRONT
L
MAIN L
SPEAKER LEVEL
CONTROL
00000
4.7
00000
4 .7
00000
4.7
0
000
4 .7
11.9
-11. 6
11.9
-11. 6
11 .9
MAIN L
CENTER
11.9
0
6
8
7
0
0
3
0
2
0
4
0
5
-11.6
11.9
0
6
8
7
0
0
0
3
2
4
0
0
5
-11.6
REAR L
A-5
TO MAIN(6) CB501
P61
I-8
TO MAIN(7) CB721
P61
CENTER
VOLUME
0
6
7
0
0
4
5
-11.5
11.8
3
8
1
0
0
0
2
0
6
7
0
0
4
5
-11.5
11.8
3
8
1
0
0
0
2
0
6
7
0
0
4
5
-11.5
MOTOR DRIVE
0
0.5
1.7
0.4
0.7
0.5
1.7
10.1
0.7
10.1
REAR L
3
2
0
4
0
5
0
-11.6
6
EXTERNAL
IN
11 .9
11.9
11.9
0
0
OUT
7
OUTPUT
SUB
WOOFER
-11.5
0
0
-11.6
0
4.8
4.8
11 .9
-11. 6
11 .9
0
0
0
4.8
4.8
MUTING
TO OPE(1) CB800
A-5
TO INPUT(2) CB301
P58
E-2
8
P62
11 .9
0
0
0
4.8
4.8
-11. 6
COAXIAL
4.8
0
~
4.8
0
4.3
TO DSP CB3
D-9
P63
TO TUNER CB4 P64
TO TUNER CB4 P65
:J,U,C,R,T,A,L models
H-5
:B,G models
H-4
DIGITAL
SIGNAL
OPTICAL
OPTICAL
DECODER
INPUT
SURROUND
2.5
0
DIGITAL IN
DIGITAL SELECTOR
4.8
3.1
0.4
4. 8
0
0.4
0.4
4 .3
0
0
~
4.8
0.4
0
000
4.9
0
0
0
4.8
4.8
0
0
0
0
0
4.8
C-1
TO DSP CB1
P63
10
IC101 : LC78211
Analog Function Switch
IC102 : LC78213
Analog Function Switch
9
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.
1SS133
1SS176
HSS104
HZS11B2TD
Anode
Cathode
2SC2878(A, B)
E
C
B
NJM2068MDHZS5C2TD
M5220L
8
UPC4570HA
9
LB1641
IC103 : LC78212
Analog Function Switch
L1
1
L2
2
L3
3
LCOM1
4
L4
5
L5
6
L6
7
LCOM2
8
L7
9
L8
10
11
LCOM3
V
DD
19
Vss
16
EE
V
12
RES
18
S
17
TC74HCU04AP
UPC4570C
10
LEVEL SHIFTER
LATCH
SHIFT RESISTER
HD74HC153P
TC9299P
CONTROL,
30
29
28
27
26
25
24
23
22
21
20
14
15
13
R1
R2
R3
RCOM1
R4
R5
R6
RCOM2
R7
R8
RCOM3
D1
CL
CE
LC78211
LC78212
LC78213
L-ch
OUT
NC
A-GND
CS1
GND
CK
IC110,111 : TC9299P
Electric Controlled Volume
Vss V
1 16
2
L-ch
3
IN
DATA
LATCH
4
5
6
SHIFT REGISTER (13bit)
LEVEL
7
SHIFTER
8
STOROBE GENERATOR
IC104 : NJM2068LD
IC107~109 : M5220L
Dual OP-Amp
+
–
1
2
3
–IN1
OUT1
+IN1
4
5
–Vcc
R-ch
DATA
LATCH
+
–
6
–IN2
+IN2
DD
LEVEL
SHIFTER
7
8
OUT2
+Vcc
IC351: TC74HCU04AP
Hex Inverters
15
14
13
12
11
10
9
OUT
IN
NC
A-GND
CS2
STB
DATA
R-ch
1A 1
1Y 2
2A 3
2Y 4
3A 5
3Y 6
Vss 7
IC105, 106, 112, 113 : µPC4570HA
Dual OP-Amp
IC352 : HD74HC153P
Dual 4 to Data Selectors
14 V
DD
13 6A
12 6Y
11 5A
10 5Y
9 4A
8 4Y
IC401~403 : µPC4570C
Dual OP-Amp
A OUT
A –IN
A +IN
V–
V+
B OUT
B –IN
B +IN
IC404 : LB1641
Motor Driver
:NOT USED
Conditions (RX-V495RDS)
• INPUT → CD
• VOLUME → minimum(–∞)
• IMPEDANCE
SELECTOR → Upper
• PRO LOGIC → On
★
All voltages are measured with a 10MΩ/V DC electric volt meter.
★
Components having special characteristics are marked and
must be replaced with parts having specifications equal to those
originally installed.
★
Schematic diagram is subject to change without notice.
60
Page 4
ABCDEFGH I JKLMN
DSP-R495/RX-V495RX-V495RDS/HTR-5140/HTR-5140RDS
■ SCHEMATIC DIAGRAM (MAIN)
1
REGULATOR
29.0
12.9
13.5
0
2
MAIN POWERAMP
1.0
0.6
0.6
0.6
-42.0
0.6
-42.0
0
0
-1.1
-41.3
-41.8
0
0
-1.0
-41.3
-41.8
-1.1
MAIN
L
1.0
-1.0
MUTE
0.6
0
0
-11.5
0
3
MAIN
L
MUTE
0
-11.5
4
0
-41.3
0
-41.3
0.6
MAIN POWER AMP
43.1(31.8)
-0.4
-0.4
1.0
-1.0
1.0
-1.0
-43.0
(-31.8)
-43.0
(-31.8)
0.5
-0.5
0.5
-0.5
43.1(31.8)
0.5
0
-0.5
43.1(31.8)
43.1(31.8)
0.5
0
-0.5
REAR POWER AMP
0
-43.0
(-31.8)
0
-43.0
(-31.8)
43.1
43.0
0
42.8
0
0
0
0
MAIN L
SPEAKERS
L
A
R
L
B
R
RELAY
DRIVE
42.8
0
0
PHONES
0
0
24.0 0.2
0.2
0.6
0
H-4
TO OPE(1) CB803
P62
BA
MAIN (1),(2),(5),(6)
:NOT USED
MAIN (3),(4),(7),(8)
-41.7
REAR
POWER AMP
REAR L
5
6
7
K-3
TO INPUT(1) CB109
P60
MUTE
0
0
MUTE
0
0
CENTER
-11.5
-11.5
0
-41.2
0
-41.2
0.6
0.6
0.6
-42.0
0.6
-42.0
0
-1.0
-41.2
-41.7
0
-1.0
-41.2
-41.8
1.0
-0.4
-1.0
1.0
-0.4
-1.0
CENTER
CENTER POWER AMP
1.0
-1.0
1.0
-1.0
-43.0
(-31.8)
-43.0
(-31.8)
0.4
-0.5
0.4
-0.5
43.1(31.8)
43.1(31.8)
43.1(31.8)
0.4
-0.5
43.1(31.8)
0.4
-0.5
0
0
0
-43.0
(-31.8)
0
-43.0
(-31.8)
42.9
0
0
0
0
42.8
0
0
0
0
REAR L
-30.0
-30.5
0
RELAY
DRIVE
23.9
0.2
SPEAKERS
L
REAR
(SURROUND)
R
CENTER
H-6
TO OPE(3)CB805
P62
SPEAKERS
POWER SUPPLY
43.1
(31.8)
-43.0
(-31.8)
:NOT USED
30.8
30.8
AC67.4
VI
AC50.0
0
IMPEDANCE
SELECTOR
9.5
24.1
-23.8
29.9
24.7
0
0
-24.5
-30.2
11.9
20.019.7
0
19.7
0
H-8
TO OPE(5) CB451
P62
1.0
-1.1
-43.0
(-31.8)
0.5
-0.5
-43.1(-31.8)
-43.1(-31.8)
0.5
-0.5
0.2
24.0
0
0
-43.0
(-31.8)
42.8
0
0
0
0
0.7
0.2
0
CENTER
K-5
TO INPUT(1) CB110
P60
-11.7
-20.2
0
VI
5.0
CENTER
POWER AMP
1.0
-0.4
MUTE
-11.5
0
8
0
0
-41.2
0.6
0.6
42.0
0
-1.1
-41.2
-41.8
-1.1
REGULATOR
9
10
61
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.
B
2SC2229(O,Y)
2SC2240(GR,BL)
2SC2878(A,B)
2SA1708(S,T)
2SC4488(S,T)
E
1SS133
1SS176
HSS104
1SS270A
1T2
HZS12C2TD
Cathode
HZS302TD
Anode
D5SB20
2SC1740S(R,S)HZS242TD
2SA893A(D,E)
2SA970(GR,BL)
2SA1015(Y)
2SC1815(Y)
2SC1890A(D,E)
B
C
E
E
C
2SA1694(O,P,Y)
2SA1695(O,P,Y)
2SC3856(O,P,Y)
NJM7812FA
NJM78M05FA
NJM79M12FA
2SC4467(O,P,Y)
1.OUTPUT
2.COMMON
B
C
3.INPUT
1.COMMON
2.INPUT
3.OUTPUT
Conditions (RX-V495RDS)
• INPUT → CD
• VOLUME → minimum(–∞)
• IMPEDANCE
SELECTOR → Upper
• PRO LOGIC → On
★
All voltages are measured with a 10MΩ/V DC electric volt meter.
★
Components having special characteristics are marked and
must be replaced with parts having specifications equal to those
originally installed.
★
Schematic diagram is subject to change without notice.
Page 5
AB C D E F G H I J K L M N
DSP-R495/RX-V495/RX-V495RDS/HTR-5140/HTR-5140RDS
■ SCHEMATIC DIAGRAM (OPERATION)
1
IC801, 802 : NJM2068LD
• IC800→See page 26~28, IC DATA
Dual OP-Amp
~
~
1
OUT1
+
–
2
–IN1
~
-22.4
-22.4
-29.8
-29.8
-29.8
-29.8
-29.8
-29.8
-24.5
-27.1
-24.5
-24.5
-27.1
~
-27.6
-24.5
2
-27.6
-24.8
~
~
~
-20.0
-9.2
-27.4
-27.4
-27.4
-27.4
-27.4
-27.4
-27.4
-27.4
-27.4
-27.6
-27.6
-27.6
-27.6
-27.6
-27.7
-27.6
-22.4
-22.4
VIDEO
RJ-1086-01-0300
#13
E-3
TO INPUT(2) CB302
P58
3
4
+IN1
5
–Vcc
+IN2
6
+
–
–IN2
7
8
OUT2
+Vcc
AUDIO
-23.0
-30.0
OPE(2),(3),(4)
3
4
4.7
2.4
4.6
4.7
4.2
-11.5
4.7
4
G-8
4.0
4.0
0
0
4.7
4.7
0
4.7
0
4.7
0
0
0
0
0
4.7
4.7
4.7
4.7
4.7
0
4.7
5
0.6
0.6
TO INPUT(1) CB104 P60
4.7
4.7
2.4
4.6
4.7
0
0
4.7
4.7
3.2
4.7
-29.8
-29.8
-29.8
-29.8
-29.8
-29.8
-29.6
-27.1
-29.6
SYSTEM & DSP
CONTROL
LC87F65C8A
(LC876564A-5K19)
3
0
4.7
4.7
2.2
2.5
4.7
4.7
4.7
0
4.9
4. 7
4.7
~
-24.5
-27.1
-29.6
4.700.301.9
-24.5
-29.6
4.9
-24.8
4.8
4.7
~
~
-30.0
~
-20.0
~
-9.2
4.7
-27.4
-27.4
-27.4
-27.4
-27.4
-27.4
-27.4
-27.4
-27.4
-27.6
-27.6
-27.6
-27.6
-27.6
-27.7
--27.6
4.7
0
0
0
0
4.7
5.5
4.7
0
4.7
4.7
5.5
13.1
6.0
0
13.1
13.1
12.4
6.6
7.3
0
I-4
TO MAIN(1) CB505
P61
I-1
TO INPUT(1) CB108
P60
11.8
0
0
0
0
-11.6
TONE CONTROL
0
0
MAIN L
11.8
0
0
0
0
0
0.7
0.7
0
0
0
0
0
-11.6
SUB POWER SUPPLY
13.1
0.3
6
0
4.0
4.0
7
TAPE/MD MON
/EXT.DECODER
0.3
0.2
0
0
0
0
1.9
0
I-5
TO MAIN(1) CB506
P61
0
0
0.7
13.1
0
AC OUTLETS
POWER SUPPLY
29.9
OPE(1)
AC12.6
AC6.8
-30.2
19.7
10.2
-20.2
AC32.3
0
AC9.6
8
Point 3
(Pin 16 of IC800)
V : 2V/div H : 50nsec/div
AC range 1 : 1 probe
Point 4
CH1 : Pin 11 of IC800
CH2 : Emitter of Q806
V : 2V/div H : 0.5sec/div
#17
DC range 1 : 1probe
M-9
TO MAIN(7) CB722
P61
AC47.6
VOLTAGE
SELECTOR
CH1
0V
0V
(CH1)
CH2
9
2V SAMPLE 50ns
Conditions (RX-V495RDS)
• INPUT → CD
• VOLUME → minimum(–∞)
• IMPEDANCE
SELECTOR → Upper
• PRO LOGIC → On
0V
(CH2)
2V 2V SAMPLE 0.5s
With the POWER
switch turned ON,
connect the
power cord to the
AC outlet.
This waveform is not available by pushing the
power switch ON and OFF.
Disconnect the
power cord from
the AC outlet.
:NOT USED
:USED
10
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.
1SS133
1SS176
HSS104
HZS5B2TD
HZS6C2TD
HZS7B2TD
HZS7C2TD
HZS12B2TD
Anode
Cathode
S1NB20
2SA933A(Q,R)
2SC1740S(R,S)
DTA144ES
DTC144ES
B
C
E
2SC2878(A,B)
2SC4488(S,T) LC87F65C8A
C
E
2SD2396(J,K)
B
NJM2068LD
★
All voltages are measured with a 10MΩ/V DC electric volt meter.
★
Components having special characteristics are marked and
must be replaced with parts having specifications equal to those
8
originally installed.
★
Schematic diagram is subject to change without notice.
62
Page 6
A
ANT
AGC
GND2
GND3
VT
+B
IF OUT
OSC OUT
C11
22P
C1
39P
L9
C28
6P
R1
100K
C2
15P
C31
0.01µ
C32
0.01µ
L1
C3
0.75P
DT1
SVC212
R2
100K
C4
7P
R3
100K
C5
10P
Q1
2SK439
R4
150
R8
10K
R26
1.5K
R27
390
L2 L3
R9
33
C30
0.018m
C13
0.018m
C6
7P
DT2
SVC212
DT3
SVC212
R5
100K
R6
100K
L8
C8
4P
L4
C7
2.5P
C10
27P
C26
0.01µ
C12
0.018µ
C14
47P
C25
0.01µ
R10
4.7K
C16
2P
DT4
SVC212
C15 L6
Q5
2SC461
R20
330K
R21
470
C29
2P
C27
0.018m
R12
10K
C17
8P
Q4
2SC461
C18
27P
R13
10K
R14
1.8K
C9
470P
R7
1M
Q2
2SC535
R19
C24
47P
R23
330
R22
330K
C19
5P
C20
12P
R24
10
Q6
2SC461
R25
C23
15P
L7
1 2 3 4 5 6 7 8
L5
0.47m
+
REFERENCE
VOLT AGE
57kHz
bpf
(SCF)
CCB
TEST
PLL
(57kHz)
ANTIALIASING
FILTER
SMOOTHING
FILTER
RAM
(24 BLOCK DAT A)
ERROR CORRECTION
(SOFT DECISION)
SYNC/EC
CONTROLLER
SYNC
DETECT-1
DATA
DECODER
CLOCK
RECOVERY
(1187.5Hz)
MEMORY
CONTROL
OSC/DIVIDER
VREF
CLK(4.332MHz)
SYNC
DETECT-2
VDDA
VSSD
VDDD
RDS-ID
SYNC
SYR
VSSA
MPX IN
DO
CL
DI
CE
T1
T2
T3
T4
T5T6T7
X IN
VREF
FL OUT
C IN
X OUT
3
14
15
19
18
24
1 5 6
4
2
20
21
22
23
7
8
9
10
11 16 17 13 12
B
C D
E F
G H I J KL
DSP-R495/RX-V495/RX-V495RDS/HTR-5140/HTR-5140RDS
Each voltage given here repressents that in the FM (98.1MHz STEREO) reception mode
1
■ SCHEMATIC DIAGRAM (TUNER) B, G models
but the one in the parentheses ( ) is that in the AM (1080kHz, MAN’L) reception mode.
IC1 : LA1266
AM/FM IF
2
IC2 : LC72131
PLL Controller
DISCRIMINATOR BALANCE ADJ.
(1.1)
2.4
(1.1)
(1.1)
2.4
3.1
(2.2)
AM/FM IF
(0)
0
s25
s25
(11.2)
(11.2)
(11.2)
(11.2)
11.0
11.1
11.1
0
3.9
(3.5)
(10.6)
1.5
(1.9)
2.4
(1.1)
3.9
(3.5)
(3.7)
3.8
(0)
0
0
(2.9)
s23
(2.3)
2.3
2.7(2.3)
1.5
(2.0)
(2.2)
2.6
1.5
(2.8)
3.1
0
(0)
3.1
(2.8)
11.0
(11.2)
2.5
(2.1)
FM
AM
MPX
s23
0
(0)
(5.5)
2.8
3.1
(3.1)
(5.5)
2.8
5.1
(5.1)
(9.2)
(9.2)
2.8
3.1
(3.1)
s23
2.8
(4.5)
IC3 : LA3401
MPX
(2.8)2.8
3.1
(3.1)
(0)0
5.1
(5.1)
(0)
4.9
3.1
(3.1)
(0)
0
0.5
0
(6.9)
0
2.8
(9.2)
(0)
s23
(2.0)
(11.3)
(7.3)
2.8
3.4
11.2
s29
3.1
3.1
3.2
(3.2)
(3.1)
(3.1)
MONAURAL DISTORTION ADJ.
10.3
(0)
10.4
(11.6)
s23
3
VT
1.7V
87.5MHz
98.1MHz
108.0MHz
531KHz
1080KHz
1611KHz
4.1V
8.3V
1.4V
5.1V
7.4V
FM
AM
0.1
(10.6)
5.0
(5.1)
9.4
(9.4)
FM
7.6
(7.5)
5.1
(5.1)
4.3
(4.3)
2.4
s25
s25
4
AM SENSITIVITY ADJ.
AM
s26
bottom view
0
s29
s24
(9.4)
11.5
(11.6)
11.5
(0.2)
5
s23
s26
0
(2.4)
(4.5)
0.5
(2.4)
0
(0)
2.4
4.9
(4.9)
(1.0)
1.1
(1.0)
1.1
(5.1)
6
4.1
0
(0)
(2.5)
2.5
(0)
0
(10.6)
0.1
(0)
0
(0)
0
(0.2)
11.5
(0)
0
(0)
0
(0)
0
(0)
0
(2.4)
2.4
s27
1
s28
PLL
(1.5)
s25
SIGNAL METER ADJ.
s25
REGULATOR
4.9
(4.9)
5.6
(5.6)
11.5
(11.6)
5.6
(5.6)
s23
0
(0)
s31 s31
s30
SEPARATION ADJ.
s23
RDS DECODER
(0)
(0)0(0)0(0)
(4.9)
(4.9)
2.1
(2.1)
4.2
(4.2)
0
4.9
4.9
0
0
2.1
2.1
(2.1)
(2.1)
(0)0(0)
s32
(0)
0
2.1
(2.1)
0
(0)
4.9
(4.9)
0
(0)
TO INPUT(1)
CB107
P60
H-8
IC4 : LC72720N
RDS Decoder
s
D1, 2
21
s29
(0)
(2.4)
(4.9)
0
2.4
4.9
2.5
(2.5)
2
22
23
24
25
26
27
28
29
30
31
32
D3
L1,2,3,4,5
C3
C5,8,9,10,23,27
C11,15
C16
C19
C21,50,56
C38
C47,57
C48
Lead Type
1SS133,
1SS176,
HSS104
VD631600
MTZJ5.6B
VG43700
Vi54610
8.2P/50V
VG27580
0.01/16
F467300
1000P/50
VF46700
47P/50
VA46670
10P/50
VA76060
0.047/16
VJ59900
470P/50
VF46690
330P/50
VG27860
560P/50
VG27880
Lead Type & SMD
1SS355
VT33290
UDZS5.6BTE-17
VU17200
VU88950
8P/50V
UB05080
0.01/50
UB04410
1000P/50
UB01310
47P/50
UB05147
10P/50
V400610
0.047/50
UB04447
470P/50
UB01247
330P/50
UB01233
560P/50
UB01256
• PK1 : ENV-172A4G1 (V2716700)
7
2SC535(A, B,G)
2SC1815(Y)
65
8
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.
1SS133
1SS176
HSS104
MTJ5.6B
1SS355
UDZS5.6BTE- 17
Cathode
Anode
2SC1740S(R,S)
DTA114ES
DTC144ES
B
C
E
LA3401
LC72131
LA1266
LC72720N
24
2
Point
V : 2V/div
0V
0V
Point
V : 2V/div
1
(Pin22 of IC2)
H : 50nsec/div
DC range 1 : 1 probe
12
2V2V
SAMPLE 50us
2V
(Pin12 of IC4)
H : 0.1µsec/div
SAMPLE 0.1us
DC range 1 : 1 probe
★
All voltages are measured with a 10MΩ/V DC electric volt meter.
★
Components having special characteristics are marked and
must be replaced with parts having specifications equal to those
originally installed.
★
Schematic diagram is subject to change without notice.
Page 7
A
L11
L1
L10
C2
5P
C33
2200P
C32
2200P
DT1
MA372
D5
MA110
C5
5P
R3
100K
R4
22
R8
1K
L2
C13
0.018m
L3
C31
1.5P
Q1
2SK360
R2
100K
R9
100
DT2
MA372
R5
100K
C8
5P
L5
R28
R7
680K
C10
27P
C9
470P
C29
2P
C17
9P
R15
Q2
2SC2620
L7
R19
10K
C24
47P
R23
330
R22
330K
C19
5P
R25
C23
15P
Q6
2SC2619
R17
10
C20
12P
Q4
2SC2814
C18
22P
R14
1.8K
R16
330
R13
10K
R12
10K
C27
L6
C15
0.2P
DT4
MA372
R10
2.7K
C14
82P
C12
0.018µ
C26
0.018µ
ANT
ANT2
GND2
GND3
VT
+B
IF OUT
OSC OUT
1 2 3 4 5 6 7 8
ANT
AGC
GND2
GND3
VT
+B
IF OUT
OSC OUT
C11
22P
C1
39P
L9
C28
6P
R1
100K
C2
15P
C31
0.01µ
C32
0.01µ
L1
C3
0.75P
DT1
SVC212
R2
100K
C4
7P
R3
100K
C5
10P
Q1
2SK439
R4
150
R8
10K
R26
1.5K
R27
390
L2 L3
R9
33
C30
0.018m
C13
0.018m
C6
7P
DT2
SVC212
DT3
SVC212
R5
100K
R6
100K
L8
C8
4P
L4
C7
2.5P
C10
27P
C26
0.01µ
C12
0.018µ
C14
47P
C25
0.01µ
R10
4.7K
C16
2P
DT4
SVC212
C15 L6
Q5
2SC461
R20
330K
R21
470
C29
2P
C27
0.018m
R12
10K
C17
8P
Q4
2SC461
C18
27P
R13
10K
R14
1.8K
C9
470P
R7
1M
Q2
2SC535
R19
C24
47P
R23
330
R22
330K
C19
5P
C20
12P
R24
10
Q6
2SC461
R25
C23
15P
L7
1 2 3 4 5 6 7 8
L5
0.47m
B
C D
E F
G H I J K
DSP-R495/RX-V495/RX-V495RDS/HTR-5140/HTR-5140RDS
■ SCHEMATIC DIAGRAM (TUNER) J, U, C, R, T, A and L models
1
but the one in the parentheses ( ) is that in the AM (1080kHz, MAN’L) reception mode.
IC1 : LA1266
AM/FM IF
IC2 : LC72131
PLL Controller
2
DISCRIMINATOR BALANCE ADJ.
Each voltage given here repressents that in the FM (98.1MHz STEREO) reception mode
MONAURAL DISTORTION ADJ.
(9.4)
9.3
(7.6)
7.7
(5.2)
5.1
4.4
(4.4)
FM
(1.1)
0.1
(10.6)
10.5
(11.5)
5.1
(5.2)
10.4
(0)
3
VT
1.9V
87.5MHz
4.5V
98.0MHz
FM
AM
108.0MHz
531KHz
1080KHz
1611KHz
7.8V
1.3V
5.0V
7.3V
s23
s25
s25
4
(11.5)
s26
0
(11.5)
11.4
AM
AM SENSITIVITY
bottom view
s29
s24
5
(1.1)
2.4
3.4
(2.1)
(1.1)
2.4
2.4
(3.5)
3.9
11.4
(0.2)
s25
3.9
(3.5)
AM/FM IF
s23
(0)
0
s25
(11.1)
(11.1)
(11.1)
(0)
0
11.0
11.0
11.0
0
(10.5)
1.5
(1.9)
2.4
(1.1)
0
(2.8)
s23
3.9
(3.5)
(3.7)
3.9
2.6
(2.2)
3.0
(2.8)
(2.2)
(2.8)
(2.1)
2.3
0
3.0
0(0)
1.5
1.5
(2.0)
(1.5)
s25
SIGNAL METER ADJ.
s25
11.0
MPX
s23
FM
2.8
0
(0)
(11.1)
(2.1)
2.4
AM
s23
(9.1)
(3.6)
(11.2)
11.1
s29
3.1
(3.1)
3.4
3.1
(3.1)
(7.0)
2.8
3.1
(3.1)
(5.2)
2.8
3.1
(3.1)
(0)
0
s23
(9.1)
2.8
(0)
(5.2)
(0)
(9.1)
(2.8)
0
2.8
3.0
(3.0)
2.8
3.1
(3.1)
3.1
(3.1)
4.9
2.8
0
3.0
3.1
(3.0)
(3.1)
s30
SEPARATION ADJ.
(5.0)
4.9
(0)
0
RD25727RD25710 RD25710 RD25710
:USED
:NOT USED
(6.9)
(0)
0
4.9
(4.9)
(0)
0
TO INPUT(1)
CB107
P60
H-8
• PK1 : ENV-142C2G1R (V2909000) J model
C10
27P
470P
Q2
2SC2620
L5
R28
1K
R7
390K
C9
C29
2P
R15
R12
C27
10K
0.018µ
C17
10P
Q4
2SC2814
C18
27P
R13
10K
R16
330
R14
1.8K
L7
R19
10K
C24
47P
R22
330K
C19
5P
R17
10
Q6
C20
2SC2619
39P
IF OUT
DT2
MA372
C32
2200P
R5
100K
C15
0.3P
C8
5P
L6
Q1
C12
0.018µ
+B
2SK360
R3
100K
R4
22
R8
L2
L3
1K
C31
7.5P
C13
0.018µ
R9
100
R10
2.7K
DT4
MA372
C14
100P
C5
7P
L1
L11
C2
10P
L10
1 2 3 4 5 6 7 8
ANT
ANT2
GND2
GND3
100K
R2
D5
MA110
0.018µ
C26
C33
2200P
VT
DT1
MA372
• PK1 : ENV-172C8G1R (V2909100) U, C, R, T models
R23
330
R25
C23
15P
OSC OUT
6
7
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.
1SS133
1SS176
HSS104
MTZJ5.6B
Cathode
8
Anode
2SC1740S(R,S)
DTA114ES
DTC144ES
B
C
E
2SC535(A,B,G)
2SC1815(Y)
LA3401
LC72131
(1.0)
(5.0)
(2.5)
(0)
(5.0)
1.0
(5.0)
1
s27
LA1266
24
2.4
(0)
4.9
0
2.4
4.9
(1.0)
1.0
4.5
(0)
0
(2.5)
2.5
s28
(0)
0
10.6
0.1
(0)
0
(0)
0
(0.2)
11.4
(0)
0
(0)
0
(0)
0
(0)
0
(2.5)
2.4
REGULATOR
5.0
(5.0)
(5.7)
11.4
(11.5)
5.7
(5.7)
5.7
s23
0
(0)
PLL
1
Point
V : 2V/div
(Pin22 of IC2)
H : 0.1µsec/div
DC range 1 : 1 probe
s
21
22
23
24
25
26
27
28
29
30
D1, 2
D3
L1,2,3,4
C3
C5,8,9,10,23,27
C11,15
C16
C19
C21,50
C38
0V
Lead Type
1SS133,
1SS176,
HSS104
VD631600
MTZJ5.6B
VG43700
Vi54610
8.2P/50V
VG27580
0.01/16
F467300
1000P/50
VF46700
47P/50
VA46670
10P/50
VA76060
0.047/16
VJ59900
470P/50
VF46690
Lead Type & SMD
1SS355
VT33290
UDZS5.6BTE-17
VU17200
VU88950
8P/50V
UB05080
0.01/50
UB04410
1000P/50
UB01310
47P/50
UB05147
10P/50
V400610
0.047/50
UB04447
470P/50
UB01247
• PK1 : ENV-172A4G1 (V2716700) A, L models
★
All voltages are measured with a 10MΩ/V DC electric volt meter.
★
Components having special characteristics are marked and
must be replaced with parts having specifications equal to those
originally installed.
★
12
2V
SAMPLE 0.1us
Schematic diagram is subject to change without notice.
64
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