Page 1
RX-V595/R-V905/RX-V595RDS
■ SCHEMATIC DIAGRAM (INPUT)
1
VCR-IN
2
VCR-OUT
S VIDEO
BACDEFG
H
S-VIDEO SELECTOR & AMP
0
3.8
3.8
11.6
7.8
3.9
3.8
3.8
0
4.8
11.6
11.6
6.3
10.9
4.6
0
0
4.8
6.2
MONITOR
OUT
3
VIDEO
SIGNAL
VIDEO SELECTOR & AMP
4
VCR-IN
11.6
5.6
VCR-OUT
VIDEO
TV/DBS
5
DVD/LD
MONITOR
OUT
56
6
11.6
10.9
7.7
4.6
4.0
3.804.806.3
3.8
3.8
3.8
11.6
TO INPUT (1)
CB101
P58 D-8
6.3
6.3
6.8
7.3
0
0
TO OPE (2)
CB807
P60 J-2
: NOT USED
IC301~303 : LA7956
Video Switch
PIN CONNECTION DIAGRAM OF
TRANSISTORS AND IC’s.
2SC1740S(R,S)
B
C
E
2SA1015(Y)
2SC1815(Y)
E
C
B
LA7956
★
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.
Conditions (RX-V595RDS)
• INPUT → CD
• VOLUME → minimum(–∞)
• IMPEDANCE
SELECTOR → Upper
• PRO LOGIC → On
57
Page 2
ABCDEFGH I JKLMNO
■ SCHEMATIC DIAGRAM (INPUT)
1
REAR L
MAIN L
2
3
PHONO(MM)
EQ AMP
11.4
0
3
8
1
0
2
0
6
0
7
0
0
4
5
-11.3
1
AUDIO
SIGNAL
4
IN
3
(PLAY)
TAPE/MD
5
OUT
4
(REC)
MAIN L
INPUT SELECTOR
00 00
0000
6
7
IN
OUT
CENTER
00 00
00
0
0
00
00 00
TUNER LEVEL
CONTROL
11.9
8
0
2
0
5
-11.7
11.9
-11.8
FRONT L
TO DSP CB6
P61
N-4
MAIN L
(DSP)
CENTER
MAIN
CONTROL
0
0
0
0
6
0
7
0
3
0
4
0
11.9
0
0
0
4.8
4.8
0
0
0
0
0
0
MAIN L
11.9
4
2
3
0
7
8
0
5
6
-11.7
CENTER/SUB WOOFER/FRONT/REAR AMP
23.3
8
0
3
1
2
0
0.1
0
0
0.1
0.1
6
0.1
7
0.1
0.1
5
4
-23.0
0.4
0
0
0
FRONT L
0
0
0
0
REAR L
MAIN L(DSP)
11 .9
11 .9
0
0
0
4.8
4.8
-11. 8
0
0
0
00
0
0
0
0
0
0
0
0
0
0
6CH
SELECTOR
000
0
0
0
0
0
0
000
DSP AMP
MAIN L
(DSP)
MAIN L
CENTER
0
23.3
6
8
0
7
000
5
5
7
6
000
0
8
23.3
0
-23.0
4
0
3
1
0
2
0
0
2
1
0
3
0
4
-23.0
11 .9
11 .9
0
0
0
4.8
4.8
-11. 8
FRONT
L
TO OPE(4) CB802
P60
H-4
SPEAKER LEVEL
CONTROL
00000
4.8
-11. 7
00000
11.9
4 .8
00000
4.8
-11. 7
0
000
11.9
4 .8
11 .9
CENTER
11.9
0
6
7
0
3
0
0
4
5
-11.7
11.9
0
6
7
0
3
4
5
-11.7
MAIN L
8
0
2
0
REAR L
8
0
2
A-5
TO MAIN(6) CB501
P59
I-8
TO MAIN(7) CB721
P59
EXTERNAL
DECODER
INPUT
SURROUND
VOLUME AMP
CENTER
VOLUME
MOTOR DRIVE
0
MAIN L
0.5
1.1
0.7
11.7
8
0
3
1
0
0
2
0
6
7
0
0
4
5
-11.6
11.7
3
8
1
0
0
0
2
0
6
7
0
0
4
5
-11.6
11.7
3
8
1
0
0
0
2
0
6
7
0
0
4
5
-11.6
1.7
1.7
0.5
10.0
0.7
10.0
RX-V595/R-V905/RX-V595RDS
REAR L
8
OUTPUT
SUB
WOOFER
-11.6
0
0
MUTING
9
NJM2068MDHZS5C2TD
8
IC102 : LC78213
Analog Function Switch
M5220L
UPC4570HA
IC101 : LC78211
Analog Function Switch
10
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.
11
1SS133
1SS176
HSS104
HZS11B2TD
Cathode
2SC2878(A, B)
Anode
E
C
B
9
TO INPUT(2) CB301
P56
D-4
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
V
EE
12
RES
18
S
17
TC74HCU04AP
UPC4570C
10
LEVEL SHIFTER
LATCH
SHIFT RESISTER
HD74HC153P
TC9299P
CONTROL,
DIGITAL SELECTOR
4.8
3.1
2.5
0
4.8
DIGITAL IN
0.3
4. 8
000
0
0
4.8
000
4 .3
★
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.
COAXIAL
DIGITAL
TO OPE(1) CB800
A-5
P60
IC110,111 : TC9299P
30
R2
29
R3
28
RCOM1
27
R4
26
R5
25
R6
24
RCOM2
23
R7
22
R8
21
RCOM3
20
14
D1
15
CL
CE
13
LC78211
LC78212
LC78213
2
OUT
3
IN
L-ch
4
NC
A-GND
5
CS1
6
LEVEL
GND
7
SHIFTER
CK
8
IC104 : NJM2068LD
IC107~109 : M5220L
Dual OP-Amp
R1
Electric Controlled Volume
Vss V
1 16
L-ch
DATA
LATCH
SHIFT REGISTER (13bit)
STOROBE GENERATOR
+–+
1
2
3
–IN1
OUT1
DD
15
OUT
R-ch
DATA
14
LATCH
4
5
+IN1
+IN2
–Vcc
IN
13
NC
12
A-GND
11
CS2
LEVEL
10
STB
SHIFTER
DATA
9
–
6
7
8
–IN2
+Vcc
OUT2
IC351: TC74HCU04AP
Hex Inverters
1A 1
1Y 2
R-ch
2A 3
2Y 4
3A 5
3Y 6
Vss 7
IC105, 106, 112, 113 : µPC4570HA
Dual OP-Amp
14 V
13 6A
12 6Y
11 5A
10 5Y
IC352 : HD74HC153P
Dual 4 to Data Selectors
DD
9 4A
8 4Y
IC401~403 : µPC4570C
Dual OP-Amp
A OUT
A –IN
A +IN
V–
TO DSP CB3
P61
D-9
TO TUNER CB4 P62
:U,C,R,T,A,L models
H-5
TO TUNER CB4 P63
:B,G models
H-4
IC404 : LB1641
Motor Driver
V+
B OUT
B –IN
B +IN
SIGNAL
OPTICAL
OPTICAL
0
0
0.3
0.3
0
0
0
0
~
4.3
0.3
:NOT USED
Conditions (RX-V595RDS)
• INPUT → CD
• VOLUME → minimum(–∞)
• IMPEDANCE
SELECTOR → Upper
• PRO LOGIC → On
0
0
4.8
C-1
TO DSP CB1
P61
58
Page 3
ABCDEFGH I JKLMNO
RX-V595/R-V905/RX-V595RDS
■ SCHEMATIC DIAGRAM (MAIN)
1
REGULATOR
29.4
12.8
13.4
2
MUTE
0
-11.6
MAIN
L
0
MUTE
0
0
-11.6
3
4
5
0
MAIN POWERAMP
0.6
0
0.6
0.6
0
0
-42.5
-41.7
1.1
-41.7
-42.3
0.6
0
0.6
0.6
0
0
-41.7
-42.5
1.1
-41.7
-42.3
REAR
POWER AMP
REAR L
K-3
TO INPUT(1) CB109
P58
6
7
8
9
MUTE
MUTE
CENTER
MUTE
0.6
0.6
0
-11.6
0
0
-11.6
0
0
-11.6
0
0
0
-42.5
-41.7
0.6
0.6
0
0
-42.5
-41.6
CENTER
POWER AMP
0.6
0.6
0
0
42.5
-41.6
1.1
-41.7
-42.3
-1.1
-41.6
-42.3
-1.1
-41.6
-42.3
MAIN POWER AMP
1.0
-0.5
-1.1
MAIN
L
1.0
-0.5
-1.1
REAR POWER AMP
1.0
-0.4
-1.1
1.0
-0.4
-1.1
CENTER
CENTER POWER AMP
1.0
-0.5
-1.1
43.5(30.2)
43.5
43.4
43.5(30.2)
1.0
43.5(30.2)
0.5
0.5
0
0
-0.6
-0.6
-1.1
-43.5
(-30.3)
-43.5
(-30.3)
43.5(30.2)
1.0
43.5(30.2)
0.5
0.5
0
0
-0.6
-0.6
43.5(30.2)
43.5(30.2)
43.5(30.2)
0
-43.5
(-30.3)
0
0.5
0
0
-0.6
-43.5
(-30.3)
0.5
0
0
0
-0.6
-43.5
0
(-30.3)
0.5
0
0
0
-0.6
0
-43.5
(-30.3)
-1.1
-43.5
(-30.3)
43.5(30.2)
1.0
0.5
-0.6
-1.1
-43.5
(-30.3)
1.0
0.5
-0.6
-1.1
-43.5
(-30.3)
43.5(30.2)
1.0
0.5
-0.6
-1.1
-43.5
(-30.3)
0
CENTER
MAIN L
SPEAKERS
BA
H-4
TO OPE(1) CB803
P60
SPEAKERS
H-6
TO OPE(3)CB805
P60
OUTPUT
REAR
(SURROUND)
CENTER
L
REAR
(SURROUND)
R
CENTER
L
R
POWER SUPPLY
43.5
(30.2)
-43.5
(-30.3)
K-5
TO INPUT(1) CB110
P58
43.3
0
0
0
0
RELAY
-42.5
-30.2
0
REAR L
20.4
20.3
DRIVE
20.3 0.1
-29.8
RELAY
DRIVE
0.1
0.1
0.1
0
0.1
0.6
0
0.7
43.3
0
0
43.3
0
0
0
0
43.3
0
0
43.3
0
0
OUTPUT
SPEAKERS
PHONES
R
MAIN
L
L
A
R
L
B
R
:NOT USED
29.4
AC68.4
AC48.0
IMPEDANCE
SELECTOR
23.9
29.3
24.6
0
0
-24.2
-29.7
-23.6
-19.5
-11.8
0
9.5
5.0
0
18.8
12.118.8011.9
0
H-8
TO OPE(5) CB451
P60
REGULATOR
10
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.
11
1SS133
1SS176
HSS104
1SS270A
1T2
HZS12C2TD
59
Cathode
HZS302TD
Anode
D5SB20
2SC1740S(R,S)HZS242TD
B
C
E
2SA893A(D,E)
2SA970(GR,BL)
2SA1015(Y)
2SC1815(Y)
2SC1890A(D,E)
E
C
B
2SC2229(O,Y)
2SC2240(GR,BL)
2SC2878(A,B)
2SA1708(S,T)
2SC4488(S,T)
C
E
B
2SA1492(O,P,Y)
2SA1695(O,P,Y)
2SC3856(O,P,Y)
2SC4468(O,P,Y)
NJM7812FA
NJM78M05FA
1.OUTPUT
2.COMMON
3.INPUT
NJM79M12FA
1.COMMON
2.INPUT
3.OUTPUT
Conditions (RX-V595RDS)
• 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 4
ABCDEFGH I JKLMNO
■ SCHEMATIC DIAGRAM (OPERATION)
1
TO
POWER
TRANSFORMER
S.VIDEO
VIDEO
AUDIO
D-5
TO INPUT(2) CB302
P56
#13
-27.4
-29.6
~~~
~
-29.5
-22.2
-22.2
-29.5
-29.5
-29.5
-29.5
-29.5
-29.3
-26.7
-29.3
~
-24.1
-26.6
-29.3
-24.2
-29.3
-24.5
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-27.2
-27.2
-27.2
-27.2
-27.3
-27.3
-27.3
-22.2
-19.6
-8.9
-22.2
2
3
-22.7
-29.7
OPE(2),(3),(4)
IC801, 802 : NJM2068LD
Dual OP-Amp
+–+
–
1
2
3
4
5
6
–IN1
–IN2
+IN1
+IN2
–Vcc
OUT1
• IC800→See page 26~28, IC DATA
7
8
+Vcc
OUT2
RX-V595/R-V905/RX-V595RDS
4.8
4.8
4
-11.7
4.8
4.3
4.8
-11.7
5
G-8
TO INPUT(1) CB104 P58
6
7
8
Point 3
(Pin 16 of IC800)
V : 2V/div H : 50nsec/div
9
10
Conditions (RX-V595RDS)
• INPUT → CD
• VOLUME → minimum(–∞)
• IMPEDANCE
SELECTOR → Upper
• PRO LOGIC → On
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.
1SS133
1SS176
HSS104
HZS5B2TD
HZS6C2TD
HZS7B2TD
HZS7C2TD
HZS12B2TD
Cathode
Anode
11
AC range 1 : 1 probe
0V
2V SAMPLE 50ns
2SA933A(Q,R)
S1NB20
2SC1740S(R,S)
DTA144ES
DTC144ES
B
C
E
2SC2878(A,B)
4.8
0
4.1
4.1
0
0
4.8
4.8
0
4.8
0
4.8
0
0
0
4.4
0.1
4.5
0.1
4.8
5.0
4.8
0
0
4.1
4.1
2SC4488(S,T) LC87F65C8A
B
C
E
3.2
0
4.8
4.7
4.8
4.8
-29.5
SYSTEM & DSP
CONTROL
4.8
0
5.002.1
~
~
~
~
4.8
4.8
4.8
4. 8
Point 4
CH1 : Pin 11 of IC800
CH2 : Emitter of Q806
V : 2V/div H : 0.5sec/div
DC range 1 : 1probe
CH1
0V
(CH1)
CH2
0V
(CH2)
2V 2V SAMPLE 0.5s
NJM2068LD
2SD2396(J,K)
-29.5
-29.5
-29.5
-29.5
LC87F65C8A
(LC876564A-5K19)
2.5
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.
8
4
4.8
~
~
~
-29.5
-29.3
-26.7
-29.3
-24.1
-26.6
-29.3
-24.2
-29.3
-24.5
-29.7
~
-19 .6
~
-8.9
4.8
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-27.2
-27.2
3
000
0
4.8
0.301.9
0
-27.2
-27.2
-27.3
-27.3
4.4
4.8
-27.3
4.8
0
0
0
0
4.8
5.5
5.5
13.2
4.8
0
4.8
4.8
6.1
13.1
13.2
12.4
5.8
6.5
0
I-4
TO MAIN(1) CB505
P59
I-1
TO INPUT(1) CB108
0
P58
SUB POWER SUPPLY
13.1
0
0
0.7
POWER SUPPLY
29.3
-29.7
18.8
#17
-19.5
10.0
0
TAPE/MD MON
/EXT.DECODER
Disconnect the
power cord from
the AC outlet.
0.3
0
0.3
0.2
0
0
1.9
0
0
OPE(1)
:NOT USED
:USED
TO MAIN(1) CB506
M-9
TO MAIN(7) CB722
P59
I-5
P59
11.8
0.1
0
0.1
0.1
0
0.1
-11.7
TONE CONTROL
AC12.6
13.1
0
AC OUTLETS
AC31.2
9.4
MAIN L
AC6.5
11.8
0
0
0
0
0
-11.6
-11.6
0
0
0
0
0
-11.7
:NOT USED
:USED
AC47.7
VOLTAGE
SELECTOR
★
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 5
ABCDEFGH I JKLMNO
RX-V595/R-V905/RX-V595RDS
■ SCHEMATIC DIAGRAM (DSP)
1
TO INPUT(3) CB354
P58
M-8
2
3
4
Point 5
Pin 13 of IC3
V : 2V/div H : 50nsec/div
AC range 1 : 1probe
5
0V
2V SAMPLE 50ns
Point 6
Pin 13 of IC4
V : 2V/div H : 50nsec/div
6
AC range 1 : 1probe
0V
2V SAMPLE 50ns
7
8
DIGITAL
4.9
0
8
IN
~
~
~
0
3
1
2
0
0
4
0
4.9
14
11
~
12
8
~
9
10
0
000
0
0
~
4.9
4.9
4.9
0
4.9
~
0
4.9
4.9
0
0
4. 9
0
0
0
0
4.9
0
7
2.7
4.9
~
4.904.9
13
DIR
4.9
0
2.1
5
2.42.4
2.4
2.3
6
5
4
2.4
CONTROL
LC87F5164A
(LC875164A-5K20)
0
0
4.9
4.8
5
~
6
2.2
4.9
4.9
4.902.2
~
~~~~~~~
7
~
0
0
0
0
0
0
4.9
2.4
2.3
0
4.9
4.9
0
0
0
0
1.3
1.3
4.9
4.9
~
4.9
4.9
4.9
4.9
6
2.5
4.9
4.9
4.9
0
3. 1
2. 4
2. 4
2. 7
0
2. 4
0. 9
4. 7
0. 2
0
3.1
0
0
0
0
0
0
0
0
0
0
~
~
4.8
2
2.4
1
2.4
3
4.9 3.2
~
4.9
4.9
4.8
2.4
4.9
4.9
4.9
2.4
DOLBY DIGITAL
PRO-LOGIC DECODER
0
0
0
+
DSP
0
2.4
1.503.1
3.1
4.8
2.4
4.8
4.7
2.4
2.4
2.4
2.4
2.4
2.4
RAMDSP
2.4
0
0.9
2.4
2.4
2.4
~~~
0
~~~~~~~
0.2
2.3
~~~~~~~
0
0
3.1
0
2.4
2.4
2.7
2.7
2.4
2.4
2.4
2.3
3.1
0
4.7
4.8
0
~
~
~
~
0
4.9
0
0
4.9
4.9
4 .8
0
0
2.304.8
2.4
0
0
0
ADC/
2. 4
DAC
2. 4
2. 7
2. 7
2. 4
~
0
0
0
0
0
0
0
0
0
0
4.9
4. 7
4.7
-11.2
0
4 .9
0
4 .9
2 .4
3 .7
3 .8
0
4 .9
0
0
0
0.2
0
0
MUTE
DRIVE
0
0
-11.2
0
-11.2
0.2
0
DAC
00
0
4. 9
0
2. 3
4. 9
2. 4
~
2. 4
0
0
4. 9
0.5
0
0.2
0. 5
4.9
4.8
4.8
2.4
4.8
4.8
0
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.9
2.4
2.9
0
0
2.4
2.4
2.4
2.4
2.4
0
0
2.7
MUTING
0
- 11.1
0
0
- 11.1
0
0
- 11.1
0
0
- 11.1
0
0
- 11.1
0
0
- 11.1
0
0
- 11.1
0
0
- 11.1
0
L.P.F
11.9
6
8
6
7
2.4
5
2.4
7
2.4
2.4
1
2.4
4
2.4
-11.7
11.9
3
2.4
8
3
2.4
1
2
2
4
2.4
-11.7
2.4
2.4
2.4
5
DSP AMP
0
11.9
0
0
0
0
0
0
0
0
0
0
0
0
0
11.9
-11.7
11.9
-11.7
0
0
0
0
CENTER
0
0
0
0
-11.7
FRONT L
-11.2
-11.2
REAR L
MAIN L
(DSP)
MAIN
L
D-1
TO INPUT(1) CB102
P58
9
TO INPUT(1) CB106
H-8
P58
10
11
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.
1SS335
Cathode
2SC3326(A,B)
DTA144EKA
DTC144EKA
Anode
UPC29M33T-E1
NJM2904M
uPC4570G2
HD74HC02FP
AK4320
24
13
M5M51288BKJ-20LTE
12
AK4526
LC87F5164A
YSS908-F
IC1 : NJM2904M
IC8~13 : uPC4570G2
Dual OP AMP
A OUT
A –IN
A +IN
V–
V+
B OUT
B –IN
B +IN
• IC3~6, 14→See page 29~35, IC DATA
IC2 : HD74HC02FP
Quad 2 Input NOR
Vcc4A4B4Y3Y3B3A
14 13 12 11 10 9 8
1234567
1B1A1Y2Y2A
61
2B
GND
IC7 : AK4320
1 bit D/A Converter
Conditions (RX-V595RDS)
• 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 6
A
B
C D
■ SCHEMATIC DIAGRAM (TUNER) U, C, R, T, A and L models
1
E F
Each voltage given here repressents that in the FM (98.1MHz STEREO) reception mode
but the one in the parentheses ( ) is that in the AM (1080kHz, MAN’L) reception mode.
G H I J K
IC1 : LA1266
AM/FM IF
RX-V595/R-V905/RX-V595RDS
2
IC2 : LC72131
PLL Controller
DISCRIMINATOR BALANCE ADJ.
10.5
10.4
(0)
(11.5)
3
VT
1.9V
87.5MHz
4.5V
98.0MHz
FM
7.8V
108.0MHz
531KHz
1.3V
1080KHz
5.0V
AM
1611KHz
7.3V
0.1
(10.6)
4
MONAURAL DISTORTION ADJ.
9.3
7.7
(9.4)
5.1
(5.2)
4.4
(4.4)
AM
(7.6)
(5.2)
5.1
FM
AM SENSITIVITY
bottom view
(11.5)
5
2.4
(0)
(5.0)
4.9
(2.5)
0
(0)
2.4
(5.0)
4.9
(1.0)
1.0
(1.0)
(5.0)
6
4.5
(0)
0
(2.5)
1
7
8
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.
1SS133
1SS176
HSS104
MTZJ5.6B
Cathode
Anode
2SC1740S(R,S)
DTA114ES
DTC144ES
B
C
E
2SC535(A,B,G)
2SC1815(Y)
LA3401
LC72131
LA1266
24
12
AM/FM IF
FM
(11.1)
(1.1)
2.4
(1.1)
(0)
0
(11.1)
(11.1)
(11.1)
(1.1)
2.4
2.4
11.0
11.0
11.0
0
3.4
3.9
2.4
3.9
3.9
1.5
(1.9)
(3.5)
(1.1)
(10.5)
(3.5)
(2.1)
(3.5)
11.0
(2.1)
2.4
3.0
(2.8)
(3.7)
(2.2)
(2.8)
(0)
(2.1)
3.9
2.3
0
0
3.0
0(0)
0
2.6
1.5
1.5
(2.8)
(2.2)
(2.0)
(1.5)
AM
SIGNAL METER ADJ.
0
11.4
(0.2)
(11.5)
11.4
(0)
0
10.6
0.1
(0)
0
(0)
0
(0.2)
11.4
(0)
0
(0)
0
(0)
1.0
0
(0)
0
(2.5)
2.4
2.5
REGULATOR
5.0
11.4
(11.5)
(5.0)
5.7
(5.7)
5.7
(5.7)
0
(0)
PLL
1
(Pin22 of IC2)
Point
DC range 1 : 1 probe
SAMPLE 0.1us
0V
V : 2V/div
2V
H : 0.1µsec/div
MPX
:USED
TO INPUT(1)
CB107
P58
H-8
:NOT USED
IC3 : LA3401
MPX
• PK1 : ENV-172C8G1R (V2909100) U, C, R, T models
Q1
R4
C5
2SK360
22
5P
R8
L3
L1
L11
D5
MA110
C2
5P
L10
C33
2200P
R2
100K
C26
0.018µ
1 2 3 4 5 6 7 8
ANT
ANT2
GND2
GND3
L2
1K
DT1
MA372
R3
C31
100K
1.5P
C13
0.018m
R9
100
R10
2.7K
DT4
C12
0.018µ
+B
VT
MA372
C14
82P
Q2
C8
5P
DT2
MA372
C32
2200P
R5
C10
100K
27P
C9
470P
R15
C15
L6
0.2P
L7
2SC2620
L5
R19
10K
R28
C24
47P
R7
680K
C29
2P
R22
R12
R16
C27
330K
10K
330
Q4
C17
C19
2SC2814
9P
C18
22P
R17
10
R14
R13
C20
1.8K
10K
12P
IF OUT
• PK1 : ENV-172A4G1 (V2716700) A, L models
Q2
C8
C15 L6
2SC535
4P
L5
L4
C7
2.5P
L8
C29
2P
R19
0.47m
C24
47P
C10
R7
27P
1M
C9
470P
C27
R22
R12
0.018m
330K
10K
Q4
2SC461
C17
8P
C18
27P
R24
10
R14
C20
R13
1.8K
12P
10K
IF OUT
L1
Q1
C1
39P
C28
6P
1 2 3 4 5 6 7 8
ANT
★
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.
C5
C11
C3
2SK439
10P
22P
0.75P
DT1
SVC212
R1
R3
C2
C4
L9
100K
100K
15P
7P
R2
C31
100K
0.01µ
C32
C26
C12
0.01µ
0.01µ
0.018µ
+B
VT
AGC
GND2
GND3
DT2
DT3
SVC212
R4
150
R26
1.5K
R8
10K
R27
390
0.018m
R9
33
SVC212
L2 L3
C6
7P
R6
C30
C13
R5
100K
0.018m
100K
R20
R21
330K
470
Q5
2SC461
C16
2P
R10
4.7K
C25
C14
DT4
0.01µ
47P
SVC212
R23
330
5P
R25
Q6
C23
2SC2619
15P
OSC OUT
L7
R23
330
C19
5P
R25
Q6
C23
2SC461
15P
OSC OUT
62
(0)
0
2.8
0
(0)
(9.1)
(9.1)
2.8
(3.6)
(11.2)
3.4
11.1
3.1
3.1
(3.1)
(3.1)
(5.0)
(0)
(5.2)
(0)
(0)
(9.1)
(2.8)
(5.2)
(7.0)
0
0
2.8
4.9
4.9
2.8
2.8
2.8
2.8
0
3.1
3.1
3.1
3.0
3.1
3.0
3.1
(3.1)
(3.1)
(3.0)
(3.1)
(3.1)
(3.0)
(3.1)
(6.9)
(0)
0
4.9
(4.9)
(0)
0
SEPARATION ADJ.
Page 7
A
+
REFERENCE
VOLTAGE
57kHz
bpf
(SCF)
CCB
TEST
PLL
(57kHz)
ANTIALIASING
FILTER
SMOOTHING
FILTER
RAM
(24 BLOCK DATA)
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
RX-V595/R-V905/RX-V595RDS
■ SCHEMATIC DIAGRAM (TUNER) B, G models
1
B
C D
Each voltage given here repressents that in the FM (98.1MHz STEREO) reception mode
but the one in the parentheses ( ) is that in the AM (1080kHz, MAN’L) reception mode.
E F
G H I J KL
IC1 : LA1266
AM/FM IF
2
3
4
5
6
7
8
63
DISCRIMINATOR BALANCE ADJ.
(5.1)
AM
MONAURAL DISTORTION ADJ.
9.4
(9.4)
7.6
(7.5)
5.0
4.3
(4.3)
AM SENSITIVITY ADJ.
FM
5.1
(5.1)
10.4
10.3
(11.6)
(0)
0.1
(10.6)
VT
1.7V
87.5MHz
98.1MHz
4.1V
FM
8.3V
108.0MHz
531KHz
1.4V
1080KHz
5.1V
AM
1611KHz
7.4V
bottom view
1
Anode
Cathode
2SC1740S(R,S)
DTA114ES
DTC144ES
B
C
E
2SC535(A, B,G)
2SC1815(Y)
LA3401
LC72131
LA1266
LC72720N
24
12
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.
1SS133
1SS176
HSS104
MTJ5-6B
IC2 : LC72131
PLL Controller
AM/FM IF
FM
11.0
(1.1)
(0)
2.4
0
2.4
(1.1)
(1.1)
2.4
(3.7)
3.8
(11.2)
(11.2)
(11.2)
(11.2)
(0)
0
11.0
11.1
11.1
0
3.9
3.1
2.4
3.9
1.5
(2.2)
(3.5)
(3.5)
(1.9)
(1.1)
(10.6)
(11.2)
2.5
3.1
(2.1)
(2.3)
(2.8)
2.3
(2.8)
(2.2)
3.1
2.6
0
0
2.7(2.3)
1.5
1.5
(0)
(2.9)
(2.0)
(1.5)
AM
SIGNAL METER ADJ.
0
(9.4)
11.5
(0.2)
11.5
(11.6)
0
(2.4)
(4.5)
0.5
(2.4)
0
(0)
2.4
4.9
(4.9)
(1.0)
1.1
(1.0)
(5.1)
4.1
0
(0)
(2.5)
(0)
0
(10.6)
0.1
(0)
0
(0)
0
(0.2)
11.5
(0)
0
(0)
0
1.1
(0)
0
(0)
0
(2.4)
2.4
2.5
REGULATOR
4.9
11.5
(11.6)
(4.9)
5.6
(5.6)
5.6
(5.6)
0
(0)
PLL
1
(Pin22 of IC2)
0V
Point
V : 2V/div
2V2V
H : 50nsec/div
DC range 1 : 1 probe
SAMPLE 50us
0
(0)
MPX
2.8
(9.2)
(2.0)
(11.3)
(7.3)
2.8
3.4
11.2
3.1
3.1
3.2
(3.2)
(3.1)
(3.1)
RDS DECODER
0
4.2
2.1
2.1
(2.1)
(2.1)
(4.2)
Point
V : 2V/div
0V
2V
0
(0)
2.8
(9.2)
(5.5)
(0)0
(9.2)
(2.8)2.8
(5.5)
2.8
2.8
2.8
5.1
3.1
3.1
5.1
3.1
(5.1)
(5.1)
(3.1)
(3.1)
(3.1)
SEPARATION ADJ.
(0)0(0)0(0)0(0)
(4.9)
(4.9)
4.9
4.9
0
0
2.1
2.1
(0)0(0)
(0)
(2.1)
(2.1)
2
(Pin12 of IC4)
H : 0.1µsec/div
(4.5)
(0)
(0)
4.9
0
0.5
0
3.1
(3.1)
(6.9)
0
0
(0)
(2.4)
(4.9)
0
2.4
4.9
2.5
(2.5)
DC range 1 : 1 probe
SAMPLE 0.1us
IC3 : LA3401
MPX
(0)
4.9
(4.9)
(0)
TO INPUT(1)
CB107
P58
H-8
IC4 : LC72720N
RDS Decoder
2
• PK1 : ENV-172A4G1 (V2716700)
L1
Q1
C1
39P
C28
6P
1 2 3 4 5 6 7 8
ANT
★
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.
C5
C11
C3
2SK439
10P
22P
0.75P
DT1
SVC212
R1
R3
C2
C4
L9
100K
100K
15P
7P
R2
C31
100K
0.01µ
C32
C26
C12
0.01µ
0.01µ
0.018µ
+B
VT
AGC
GND2
GND3
DT2
DT3
SVC212
R4
150
R26
1.5K
R8
10K
R27
390
R9
33
SVC212
L2 L3
C6
7P
C30
0.018m
R6
C13
R5
100K
0.018m
100K
R20
R21
330K
470
Q5
2SC461
C16
2P
R10
4.7K
C25
C14
DT4
0.01µ
47P
SVC212
C15 L6
Q2
C8
4P
L4
C7
2.5P
C10
27P
L8
C27
C29
0.018m
2P
C17
L7
2SC535
L5
R19
0.47m
C24
47P
R7
1M
C9
470P
R23
R22
R12
330
330K
10K
Q4
2SC461
C19
8P
5P
C18
27P
R24
R25
10
Q6
R14
C23
C20
R13
2SC461
1.8K
15P
12P
10K
IF OUT
OSC OUT
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