RX-212BK
RX-217TN
IVP
«Л Wy 
SERVICE MANUAL
DIGITAL	RECE.VEP
RX-212BK/RX-217TN
This service manual is prepared by adding 2 versions(RX-212BKJ and RX-217TNC)
to RX-212BK's manual (No.20462).
Area Suffix
A ..... Australia
BS	....	the U.K.
C ..... Canada
E ..... Continental Europe
G ..... Germany
J ..... the U.S.A.
UT	....	Taiwan
U ..... Other Area
Illi Remote Illi
Control Component
RX-212BKJ additionalparts list
Page	Item	Parts name	Parts number
2-3	29	POWER TRANSFORMER	FMTP1070-01JA
2-4	34	REAR PANEL	E207332-053SM
2-15	1	INSTRUCTION BOOK	E30580-2211A
2-16	—	PACKING CASE	FMPY3002-005
Contents
Safety Precautions ......................... 1-2
Instruction Book ........................... 1-3
Description of Major ICs .................. 1-13
Internal Block Diagram of Other ICs ....... 1-17
Internal Connections of FL Display ........ 1-18
Disassembly Procedures .................... 1-19
Adjustment Procedures ..................... 1-20
Power Amplifier Adjustment Procedures .. 1-20
Block Diagrams ........................ 1-21
Schematic Diagrams ............... Insertion
Printed Circuit Boards ........... Insertion
Parts List(RX-212BK/2-l) ......... Insertion
Parts List(RX-217TN/3-l).......... Insertion
No.20462B
DEC., 1994
1-22 (No. 20462В)
 Tuner Section
।-------
FM 750
CF101
FM
О
FE101 FRONT END PACK
Q 103
BUFFER C. FILTER
Q 108	CF102
BUFFER C. FILTER
О
ANT ANT NC GND VT + В OUT OUT
|—GND
AM LOOP

FM+B
Q 107
IF AMP
T105
T106
FM DET Vcc TUNED FM AM
IF OUT IF OUT
IF DET
IC104 FM/AM
Block Diagram
T104
LWOSC
Q 114,115
AM OSC SW
AM IF AM FM
IN OUT OUT
.MOSC AM AM AM MIX
OUT OSC IN OUT
T107
D120
MW+B LW+B
T102
LW ANT
0125,126
LP. FILTER
Q 113
LW RF
AMP
Q 111
LW+ В
AM
IF
IN
FM
IF
IN
Q 112
MW RF
AMP
T101
MW
Q 121,123,124
+ B SW
LW+B MW+B FM+B
ТЮЗ
mwosc
+ 5V
PDI VDD FM AM
OSC OSC
IN IN
IC102 PLL
P101
+ 15V
♦
—___
D106
-44—
D115
—
D105
+ В
R179
Q 127
MUTE OFFSW'
D104
VCC
IC105 MPX
L. P. F. MUTE
AM
LP101 L-OUT
—------•"rTouT
JT102
COMPULINK 1
РЮЗ!
—О
—> o
 Signal Flow
SOURCE SELECT	SURROUND	VOLUME
 Control Section
(No. 20462В) 1-23
RECEIVER/STANDBY,
TONE CONTROL POWER AMP PROTECTOR
 Power Supply Section
RX-212BK

Sehematfc Digrams
(1) Input Selector, Regulator and Power Amplifier Section
(For EF/EN/BS/G Version only)
о
(No. 20462В)
RX-212BK
11
12
13
14
15
	c	U. UT	EF. EN	A	BS	В
M.Fl1W1	5- SK UNF-O.M.FllWl	3.5K UNF.C.11/2W1	4. 7K UNF.C.I1/2W]	4. 7K UNF.C.11/2W)	4. 7K JNF.C.11/2W1	4. 7K UNF.C.11/2WJ
M.F[ 1W1	4- 7K UNF. 0- II. Fl 1W 1	4- 7K unf.c.Itzaw1	3. 9K UNF.C.(1/2H1	3- 9K UNF.C.11/2W1	3- SK UNF.C.ll/PWl	3. 3K UNF.C.11/2W1
	RRO	RRO	1R0	1Я0	180	100
	5R0	580	NONE	NONE	NONE	NONE
	0.2K	B. 2K	4. 7K	4. 7K	4. 7K	4. 7K
	I RO	iao	SHORT	SHORT	SHORT		SHORT
2		0. 047	O. 047	0. 047	0. 047	0. 047	-0._Q.47	
	UNF.F.	UNF.F.	UNF.F.	UNF.F.	UNF.F.	UNF.F.
.M.FI1W1	UNF-0-M-Fl1W1	UNF.C.11/2W1	UNF.C.(1/2W1	UNF.С-11/2W1	UNF-C-11/2WJ	UNF.C.11/2W1
2K •M.FllWl	S- 2K UNF.0.M-FllWl	8. 2K UNF.C.11/2WI	S. BK UNF.C.(1/2WJ	6- BK UNF-C.14/2W!	5. BK UNF.C.11/2W]	6. BK UNF.C.11/2W]
	< . OK	1 . Pk	R20	Я20	ЯРО	820	
5П1Я (R. Ol	PSR14RRI R(R. 01	29A14R01 0 IO. V !	2SA1490LDIO. Yl	2SA1490LDlO. Y]	2SA1490L010. Y1	23A1490LDI 0-Y1
	USED	NONE	NONE	NONF	NONE	NONE
3		PP/R3	P2/50	22/50		аагда		22/50	_ggZ.g-0	
16
Vmaak
20
			C	U. UT	EF. EN	A	BS	G
C303.304	100P	100P	100P	470P	470P	470P	470P
C375-375	NONE	NONE	NONE	USED	USED	USED	USED
C381-390	NONE	NONE	NONE	USED	USED	USED	USED
C393-394	NONE	NONE	NONE	USED	USED	USED	USED
C705- 706	USED	USED	USED	NONE	NONE	NONE	NONE
C719. 720	47/100	47/100	47/63	47/63	47/63	47/63	47/63
C735.755	0. 022	0- 047	0. 047	0. 047	0.047	0- 047	0. 047
C757.758	SHORT	USED	USED	USED	USED	USED	USED
C805	0.01 Isoovl	0. 01 I 500V1	0.22MY I 100V1	0.22MY 1100V !	0.22MY 1 lOOV!	0-22MY 1 100V1	0-22MY ( 100V1
C793.794	NONE	NONE	NONE	USED	USED	USED	USED
CB01.802	4700/50	4700/50	4700/50	4700/50	4700/50	4700/50	4700/50
CB31-832	USED	NONE	NONE	USED	USED	USED	USED
C9S1-964	NONE	NONE	NONE	USED	USED	USED	USED
C9B5	NONE	NONE	NONE	USED	USED	USED	USED
C9B6	NONE	NONE	NONE	USED	USED	USED	USED
CSB7	NONE	NONE	NONE	USED	USED	USED	USED
C9SB	NONE	NONE	NONE	USED	USED	USED	USED
C959-974	NONE	NONE	USED	USED	USED	USED	USED
C9S1	NONE	NONE	NONE	USED	HONE	USED	USED
DB01-804	30D2FC	30D2FC	30DF2SFC	300F23FC	30DF28FC	30DF2SFC	30DF2SFC
D813	NONE	USED	USED	USED	USED	USED	USED
L901. 9S2	SHORT	SHORT	SHORT	USED	USED	USED	USED
R3B5-3SB	470	470	470	2. 2K	2. 2K	2. 2K	2.2K
R709-710	UNF-C-	UNF.F.	UNF.F.	UNF.F.	UNF.F.	UNF.F.	UNF.F.
R723.724	560	SSO	910	910	910	910	910
R757.7SS	NONE	NONE	USED	USED	USED	USED	USED
R77 1-774	NONE	NONE	ISO	NONE	NONE	NONE	NONE
R775-778	USED	USED	NONE	NONE	NONE	NONE	NONE
R7S9-782	UNF.C.	UNF.F.	UNF.F.	UNF.F.	UNF. F.	UNF. F.	UNF.F.
R797-798	UNF.C-	UNF.F.	UNF.F.	UNF.F.	UNF-F.	. F1.	UNF.F.
RS02	320	320	820	120	120	120	ISO
RB03	IK	IK	ik	NONE	NONE	NONE	NONE
RBOS	UNF-C-	UNF.F.	UNF-F.	UNF-F.	UNF.F.	UNF.F.	UNF.F.
Я814	UNF.C-	UNF.F.	UNF.F.	UNF.F.	UNF-F.	UNF.F.	UNF.F.
R925	1 20	1P0	75	SHORT	SHORT	SHORT	SHORT
R925	(ЙП	150	SHORT	SHORT	SHORT	SHORT	SHORT
	NONE	NONF	МПМС	USED		USED	USED
C70S.710	27P	Й7Р	27P	47P	47P	47P	47P
C801.802	4700/50	4700/50	4700/5S	4700/50	4700/50	4700/50	4700/50
(3769. 770	2SD3B54LD	2SD3854LD	2SC3B54LD	2SC3864LD	2SC3854L0	2SC38S4L0	2SC3854LD
							
							
							
							
							
[SOURCE SELECT I
I	I TONE CONTROL|
I	[BASS]	[TREBLE]
1DOK
-FMB^OOJL-I j.
(No. 20462B)
сЗ
сч
RX-212BK
-О
сч
(2) Input Selector, Regulator and Power Amplifier Section
(For U, UT Version only)
i | g |з |	4	|	5 I 6 I 7| a I 9	| io
о
сч
20
		C	и	EF. EN	A	BS	8
R804	S. SK UNF.0.M.F11W1	5. БК UNF.0.M.Ft1W1	s. БК UNF.C.t1/2W1	4. 7K UNF.C. t 1/2W1	4. 7K UNF.C.(1/2W1	4. 7K JNF.C. t1/2W1	4. 7K UNF.C.11/2W1
RBOE	4- 7K UNF.0.M.F11W1	4. 7K UNF. 0. M.Fl1W1	4. 7K UNF.C. t 1/2W1	3. SK UNF.C. 1 1/2W1	3. 9K UNF.C.[1/2W1	3- SK UNF.C.ll/PW]	3- SK UNF.C.11/2W1
ЯЯОЯ.809	BSD	5B0	RK0	1R0	1H0	180	1R0
RfllO	560	580	3(50	NONE	NONE	NONE	NONE
RBli	8. SK	a. 2K	В. 2K	4. 7K	4. 7K	4. 7K	4. 7K
ЯЯ12	1Я0	180	tao	„.SHORT		SHORT	SHORT		SHORT
R813	<5. 022	0.047	0. 047	0. 047	-0.-047		0-.-047		0.047
R814	UNF.C.	UNF.F.	UNF.F.	UNF.F.	UNF.F.	UNF-F.	UNF.F-
RB16	UNF.O.M.FtlWl	UNF.0.M-Ft1W1	UNF.C. t1/28 3	UNF.C. t1/2W1	UNF.C.11/2W1	UNF-C. t1/2W1	UNF.C. 1 1/2W1
RS20	a. 2K UNF.O.M.FtiWl	8. 2K UNF.0.M.Ft1И1	8. 2K UNF.C. t 1/2W1	6- BK UNF.C. t1/2W1	6. SK UNF.C-t1/2W1	Б. BK UNF.C. t1/PW1	6- SK UNF.C. t 1/2W1
R924	1. ЯК	1. BK	1.2k	020	820	820	820
(5771. 772	PSR1 424! В (Я. 01	₽SBi4?at Btn. n 1	29A14R0I.0 10. Vl	2SA140OLOtO.Yl	2SA14SOLDtO- Y	23A1430LD I 0- Y :	2SA14SOLDtO. Yl
R830	USEO	URFD	NONE	NONE	NONE	NONE	NONE
0717.718		_H2Zfi3		ЗР/ВЯ	2Р/6Я	22/5П	22./S0		22/60	22/60
16
SHARK
	j	C	U	EF. EN	Д	BS	G
C303-304	100P	100P	100P	470P	470P	470P	470P
С37Б-376	NONE	NONE	NONE	USED	USED	USEO	USEO
C381-390	NONE	NONE	NONE	USEO	USED	USEO	USEO
С39Э.334	NONE	NONE	NONE	USED	USED	USED	USEO
C70B.70S	USED	USED	USED	NONE	NONE	NONE	NONE
C719.720	47/100	47/100	47/63	47/S3	47/63	47/63	47/83
C755.736	0. 022	0. 047	0. 047	0.047	0. 047	0. 047	0- 047
С7Б7.7SS	SHORT	USED	USED	USEO	USED	USED	USED
C805	0.0 1 1500V1	0-01 t500V1	0.22HY t100V1	0.22MY I100V1	0.22MY I 100V1	0.22MY 1100V1	0.22MY t100V1
C793.794	NONE	NONE	NONE	USED	USED	USED	USEO
CS01.802	4700/30	4700/30	4700/50	4700/50	4700/50	4700/50	4700/50
CS31.832	USED	NONE	NONE	USED	USEO	USED	USED
C961-9S4	NONE	NONE	NONE	USED	USEO	USED	USED
CSBB	NONE	NONE	NONE	USED	USEO	USEO	USED
CSSS	NONE	NONE	NONE	USED	USED	USEO	USED
CS87	NONE	NONE	NONE	USED	USED	USED	USEO
csaa	NONE	NONE	NONE	USED	USED	USEO	USED
C95S-S74	NONE	NONE	USED	USEO	USED	USED	USED
C991	NONE	NONE	NONE	USEO	NONE	USED	USED
DS01-S04	30D2FC	30D2FC	30DF2SFC	30DF2SFC	30DF2SFC	30DF2SFC	30DF2SFC
D813	NONE	USED	USED	USED	USED	USED	USED
LS61. ЭБ2	SHORT	SHORT	SHORT	USED	USED	USED	USED
R3B5-38B	470	470	470	2- 2K	2- 2K	2. 2K	2- 2K
R709-710	UNF.C.	UNF.F.	UNF.F.	UNF.F.	UNF.F.	UNF.F.	UNF.F.
R723.724	5S0	560	910	910	910	910	910
R757-738	NONE	NONE	USEO	USED	USED	USEO	USEO
R771-774	NONE	NONE	150	NONE	NONE	NONE	NONE
R77B-77B	USED	USED	NONE	NONE	NONE	NONE	NONE
R789-792	UNF.C.	UNF.F.	UNF.F.	UNF.F.	UNF. F.	UNF.F.	UNF.F.
R797-798	UNF.C.	UNF.F.	UNF.F.	UNF.F.	UNF-F.	UNF.F.	UNF.F.
R802	820	820	820	120	120	120	120
R803	IK	IK	Ik	NONE	NONE	NONE	NONE
R806	UNF.C-	UNF.F.	UNF.F.	UNF.F.	UNF.F.	UNF.F.	UNF.F.
R814	UNF.C.	UNF.F.	UNF.F.	UNF.F.	UNF.F.	UNF.F.	UNF.F.
R925	120	120	75	SHORT	SHORT	SHORT	SHORT
R926	ISO	150	SHORT	SHORT	SHORT	SHORT	SHORT
Я9Б1-354	NONE	NONE	NONF	USED	NONF	USEO	USED
C709.710	27P	27P	27P	47P	47P	47P	47P
CB01- 802	4700/50	4700/50	4700/5S	4700/50	4700/50	4700/50	4700/50
Q769.770	2SD3834LD	2SD3854LD	2SC3B54LD	2SC3854LD	2SC3954L0	2SC3854LD	2SC3834L0
							
							
							
							
							
С**)

G ONLY
EAF2203z003
IFS1031
How to Use Schematic Diagrams
1.		- indicates the + В line.
2.	indicates the - В line.
3.	indicates signal line.
4.	Parts marked with A and those in the shaded area	are
parts for safety.
5.	This is standard circuit diagram.The circuits and circuit constants
are subject to change for improvement without notice.
(No. 20462B)
11
12
13
14
15
16
17
18
19
20
«MARK
		-J- C	U	A	EF- EN. BS	G
Rise	18K	27K	27K	2 7K	37K
Also	13K	12K	27K	27K	27K
R1B1. 163	130K	120K	1S0K	180K	1B0K
ribs- 166	1B0K	1B0K	270K	270K	270K
R1E7-166	39K	39K	100K VR	Ю0К VR	100K VR
R196	10K	10K	10K	2. 2K	2. 2K
Rise	3- 3K	3. ЭК	3- 3K	В. 2K	В- 2K
Я201	UNF.C.	UNF. F	UNF. F	UNF. F	UNF. F
R202	47	47	47	47	22
	UNF. C	UNF. F	UNF. F	UNF. F	UNF. F
C177- 17B	560P	360P	270P	270P	270P
J. C. U ONLY
EAF2203-Q04
(No. 20462В)

RX-212BK
(4) System Control & Power Primary Section
1	|	2 j 3	|	4|	5|	6|	7| S|	9|	10
POWER SUPPLY BL(
[ U- С ] FOR USA

s	J. C	U	EF.EN.G	85	Д
D4i 1	SUR-54VC 70F124	SLR-54VC 70F124	SLR-54YC 70F124	SLA580LT 70F124	SLASSOLT 70F 124
W302	NONE	NONE	NONE	NONE	USED
W303	NONE	NONE	USED	USED	NONE
W304	NONE	USED	NONE	NONE	NONE
W30B	USED	NONE	USED	USED	USED
W306	NONE	NONE	USED	USED	USED
W307	USED	USED	NONE	NONE	NONE
R442	USED	USED	NONE	NONE	NONE
10
13 I 14
16
10
19
20
BLOCK
USA St CANADA
AC120V/60HZ
EN. EF. G
lENlFOR SCANDINAVIA
[EF1F0R CONTINENTAL EUROPE
[g! FOR GERMANY
AC230V/50HZ
AC 240V/50HZ
[Al FOR AUSTRALIA
[A- BS ] IBS 1 FOR U.К