Sony MHC-RG40 Service Manual

HCD-RG60

6-4. SCHEMATIC DIAGRAM – BD SECTION –

• See page 19 for Waveforms. • See page 40,41 for IC Block Diagrams.

	IC B/D		1	1
	2	A	16	16
			X
IC B/D	2
	IC B/D
E
(5/5)
CN102
(Page 29)

23 23

HCD-RG60

6-6. SCHEMATIC DIAGRAM – MAIN SECTION (1/5) –

• See page 42 for IC Block Diagrams.

10

MAIN BOARD(2/5)

(Page 26)

8 9 11

MAIN BOARD(3/5) (Page 27)

12

C272

R214

1

R272

50V

4.7k

1M

C214

R208

C212

8.2k

0.018

R234

1

MC

68k

R216

C244

R278

50V

R232

C234

100k

0.0015

100k

R219

Q212

47k

2.2k

0.047

MC

2SC2785

C210

AMP

D205

47

R232A

1SS355TE

16V

1k

R276

4.7k

R237

R220

C217

R206

R274

10k

22k

47

C219

C218

47

1.5k

16V

3.3

47

50V

16V

C230

C270

100

10V

100

R270

16V

R228

R230

C206

120k

1.8k

JR17

220

R222

220p

0

220

R210

C208

270k

220p

C228

R224

47p

180k

R258
220
C236	Q210,211
		AMP
100
16V				R264
R256
				10k
10k		C235
	R249			R238
C257		1
	680k	50V		680k
0.1
50V
	C235A			C236A
	47p			47p
Q211		Q210
2SC2785		2SC2785
R257		R250	R261	R218
		180k
390			390	180k
D204		C256
1SS355TE		1		R262
	D203	50V	R263	100k
	1SS355TE		10k
	R233			C233
				0.047
	68k
				MC
			R231
			2.2k	R231A
				1k

Q223
2SC2001
BIAS
OSC	C242	R252	C239
	0.001	27k	0.015
	MC		MC
JR7	C241
0
	0.0047
	MC

7

6

C232

C202

0.33

680p

50V

ALC

REC IN

NF

REC OUT

CD

VCC

TAPE A/B

PRE OUT

METAL OUT

NF

CH2/B

CH2/A

Q215

IC201

2SC3623A

TA8189N

MUTE

R236

REC/PB PRE AMP

METAL OUT

4.7k

C222

GND

M/H

GND

MIX OUT

PRE OUT

NF

CH1/B

CH1/A

REC IN

NF

REC OUT

C224

3.3

470p

50V

C201

680p

	R217	C265
	10k	0.01
	Q214
	2SC3623A
R235	MUTE
4.7k
R226
22k
C226
0.0018

C243	R247
0.0015	100k	R215
		4.7k

7	8
9	6
3	5
2
1	4
	L201
	BIAS OSC

								R209	C207
								270k	220p
		C231		C227	R223		R221		C205
							10k		220p
		0.33		47p	180k
		50V
					C225
					3.3				C209
					50V
									47
		R229	R227		C237				16V
		1.8k	120k					C211	R205
			C229		470p
								0.018	47
				100				MC
				10V
		R273		Q213
R277		1.5k		2SC2785
100k				AMP
	R275
C271	4.7k					C213					D206
				R271		1		R207		1SS355TE
1
						50V
50V				1M				8.2k
		R225		22k
		C238		0.0018
					Q219		Q225
						2SB1116A
C223		Q220,221		2SC2785
0.022		SWITCH
MC
									Q227
		Q220
									2SB1116A
		2SC2785
									BUFFER
							R245
							10k	Q222
		Q221					2SC2785		R244
									27k
		2SC2785
		R241							C215		D207
	R242				Q218				2.2
							C221			1SS355TE
		4.7k
	4.7k				2SC2785				50V
							4.7
							50V
					Q218,219		R251		R248
					SWITCH		2.2k			12k
							Q222,225
							SWITCH		R246
									4.7k
	4								5
				MAIN
				BOARD(4/5)
				(Page 28)

R239 10k

C203 680p

	Q217
R240	2SC3623A
10k	SWITCH

C266 0.022

R243 2.2k

3

R202	CN203
10	3P
	R-CH
R201	L-CH
10

Q216 2SC3623A

SWITCH

	C204	R203
	680p
		10
		CN202
		R-CH
	R204	L-CH
	10

	Q228
R260	2SB1116A
390
C240	R253
47
	10k
16V
		R254
		4.7k
	Q224
	2SC2785	Q224,228
		BIAS OSC
		B+ SWITCH

2

1

-A DECKHP101 PLAYBACK HEAD

-B DECK-

HRP101 RECORD/ PLAYBACK ERASE HEAD

25 25

HCD-RG60

6-7. SCHEMATIC DIAGRAM – MAIN SECTION (2/5) –

• See page 19 for Waveforms. • See page 41,42 for IC Block Diagrams.

JK101

FM 75Ω

AM

JR110 0

D101

DA204K

	R112
	4.7k
R111	C112
100	0.01
C113
0.47
50V

IC102	TXOU	NDMG	VT2
LC72130
PLL
	XIN	VCO	CE
X101
4.5MHz
C121	C122
22p	33p
CH	CH
			25

FE101
INANT		CED					OUTOSC
	GND	GND	GND	VT	+B	IF OUT

		C103	C101
		0.01	0.01
		JR641
		0
		JR642	R101	JR602
		0	47	0
			R109
			47
			R108
		C104	330
		47
		16V	R102
		CF101	680
				Q101
		R104		2SC2410SN
		150	R103	RF IF AMP
				C105
			680	0.01
JR606		R106	C102	R105
		680
0			0.01	1.5k
				CF102
				R7
				0
	RB101			L107
				33uH
		C109	L108
		4p	1uH
			C29
R139	R115		33p
0	10k
		C111
		0.01
R113	C110	R117
4.7k		100k
	0.01
R114	R116
4.7k	100
C114	C115
47
16V	0.01

						C118
						0.01
R135	C116				C117
	2.2				47
4.7k	50V				16V				C119	R121
									0.01		1k
	R136						JR603
	3.3k
							0
VT2IN	PD2	PD1	VT1IN	VT1	B+	OSCFM	OSCAM	SW
DI	CLK	DO	FM	FEOIF	WM	/AMFM	FM	IF	10k
									R120
									R118	R122	C120
									100
										10k	0.01
								R119
								10k
										R123
										10k
26	28	27
				C123		C124
				0.001		0.001

R107 0

Q102
UN4111
+B
SWITCH
JR633
0
		C106		C107		C108	IFT101
		100				10
		16V		0.01	R110	50V
					10k
			JR635
			0
							JR634
							0
	BA1450		SC/OUTO	REG	COS	AFC	FRAM	IXMAM	IFAM	CAG
	IC101
	FM/AM		IFFM	VCC	SDFM	NDG	DETFM	LEDTU	LEDST	MTUIF
	FRONTEND,
	IF AMP,MPX
						R125
						4.7k
							T101
		C125				C127	C128
	R124			C126	RV101	1	0.01
		47			22k	50V			C129	C130
D104	220	16V		0.01					0.01	0.01
DTZ-TT11-6.8B
				FM TUNED LEVEL
								LED	LED	TEUM
								TU	ST	ST
								24	23	22
13	14
										MAIN
									BOARD(3/5)
										(Page 27)
				26					26

			T102
	C142
	470p
		C141
		0.047
	C143	R137	R131
	22	100	12k
	16V
			C140
			1
			50V
	UT	XP	XP
	O	M	M
	/FMAM
	TOU	TOU	TOU
	IF	R	L

C131	C132
0.022	0.022

D108 1SS355TE

R126 4.7k

C138 560p

R132 2.2k

C139 680p

PSTO

OVC

/FMAM

C133
0.22
50V
R127	C134
2.2k	0.047

C137 10 50V

R130 10k

Q103 2SC1623

Q103,104

AMP

R129

	560
	C135
	4.7
	50V	JR637
	R128	0
		R171
	560
		100

	Q104
	2SC1623
		C136	C144
R133	R134	4.7		R138
		50V	47
270	270		16V	100

X1 X2

	MAIN
10	BOARD(1/5)
	(Page 25)

	R172	R174
	100k		C175
		1k
			330p
	C173
	560p
		Q105
		2SC2412K
		AMP

C186 10 50V

R175 470

C171 47 16V

C172 0.1

L109 100uH

IC103 BU1924

RDS DECODER

R183			C184				C187
4.7k
			2.2
							0.01
			50V	1SS355TE
			D107
ALUQ	TAARD	FVRE	UXM	DD1V	S1VS	S3VS	CMP
KRCL	CN	XO	XI	D2VD	2VSS	T1	2T

		R181
	C181	4.7k	C176
	2.2	X102
R177	50V	4.332MHz	0.01
100
		C182	C183
		56p	56p
	C179	C180

0.010.01

	JR636
	0
	JR639
	0
	RCLK
21	20
16	54
MAIN	MAIN
BOARD(5/5)	BOARD(4/5)
(Page 29)	(Page 28)