Block Diagram - Main Section - Sony HCD-RG490 Service Manual

HCD-RG490/RG590
Ver. 1.1
7-2. BLOCK DIAGRAM – MAIN Section –
(RG490: MX/RG590: MX)
JK801
MIC 1
JK802
MIC 2
+9V
JK802
RG490: E2, E51, AR/
MIC RG590: E2, E51, AR
RG490: E2, E51, AR/ RG490: E2, E51, MX, AR/
RG590: E2, E51, AR RG590: E2, E51, MX, AR
HP IN
C
(Page 25)
J702
AUDIO IN
R-CH
CD-L
A
(Page 23)
L-CH
HP1
(PB)
(DECK-A)
R-CH R-CH
L-CH
MUTING
Q305
R-CH
R-CH R-CH
HRPE1
MUTING MUTING
(REC/PB/ERASE)
Q307 Q401
(DECK-B)
R-CH
MUTING CONTROL
CONTROL SWITCH
L451
BIAS OSC
REC BIAS
SWITCH
Q451, 452
ERASE
BIAS OSC
Q453
ANTENNA
TUNER (FM/AM)
FM75Ω
FM ANT TUNER-L
COAXIAL
TUNER-R R-CH
AM AM ANT
PLL DO
PLL DI
PLL CLK
PLL CE
RDS DATA
RDS CLK
(Page 25)
RDS-DATA, RDS-CLK
D
(RG490: AEP/RG590: AEP, UK)
HCD-RG490/RG590
(RG490: MX/RG590: MX)
DIGITAL
ECHO
IC802
VR851
ECHO LEVEL
MIC AMP MIC AMP
IC801 (1/2) IC801 (2/2)
MUTING VR801
Q801
MIC LEVEL
RG490: E2, E51, MX, AR/
RG590: E2, E51, MX, AR
PB SWITCH
PB AMP
+
(DECK-A)
IC301
Q301
R-CH
PB SWITCH
(DECK-B)
Q303
R-CH
REC SWITCH REC AMP
Q403 IC401
R-CH
MUTING REC CONTROL
SWITCH SWITCH
Q400, 407 Q305, 306 Q409, 410
+9V
DECK-A/B
SELECT SWITCH,
REC/PB
SELECT SWITCH
Q405, 406, 408
4 2 3 61 55
45 I-LC23003-DI
43 O-LC23003-DO
44 O-LC23003-CLK
42 O-LC23003-CE
INPUT SELECTOR, TONE CONTROL,
ELECTRICAL VOLUME
IC101 (EXCEPT RG490: MX/RG590: MX)
IC101 (RG490: MX/RG590: MX)
36 37
(RG490/RG590: AEP, UK, RU)
2 AUXL TONEOUTL 10
(RG590: E2, E3, E51, EA, MX, AR)
40 CDL
PARAMETRIC EQUALIZER
IC102 (RG590: E2, E3, E51, EA, AR)
IC102 (RG590: MX)
39 TAPEL
2 LIN LOUT 9
1 TUNERL RECOUTL 3
3 6
16 15
58 57 56
SYSTEM CONTROLLER
IC901 (2/4) (EXCEPT RG490: MX/RG590: MX)
IC901 (2/4) (RG490: MX/RG590: MX)
24 24
Abbrivation
AR : Argentina model
E2 : 120V AC area in E model
E3 : 240V AC area in E model
E51 : Chilean and Peruvian models
EA : Saudi Arabia model
MX : Mexican model
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: TUER (FM/AM)
: CD PLAY
: TAPE PLAY (DECK-A)
: TAPE PLAY (DECK-B)
: REC
: MIC
: AUDIO IN
11 VINL OUTL 14
+
BB12 12
R-CH
R-CH
D031
BASS AGC
BB22 13
Q113
4
BAND-PASS
FILTER
Q111, 112
TAPE MECHANISM
DECK CONTROLLER
IC701 (1/2)
O-MOTOR 33
D923 D921
TRIGGER PLUNGER
O-SOL-A 34
68 63
TRIGGER PLUNGER
O-SOL-B 35
I-TCM-SYNC 73 36 O-TCM-SYNC
I-HALF-A 30
I-HALF-B 27
I-RELL-A 31
I-RELL-B 28
I-REC-SW 29
(Page
OUT
E
25)
(Page
SW OUT
F
25)
(Page
BASS AGC
G
25)
TAPE MECHANISM
DECK BLOCK
CAPSTAN/REEL
CAMP+
M
MOTOR DRIVE
Q701, 704
A-SOL
DRIVE (DECK-A)
Q703, 706
B-SOL
DRIVE (DECK-B)
Q702, 705
A-HALF
B-HALF
A-PHOTO
B-PHOTO
B-REC-F