Sony HCD-RG55 Service Manual page 72

HCD-RG55/RG55S
3. BLOCK DIAGRAM — MAIN SECTION —
(Page 5) L-CH
CD,TUNER A
SECTION
CD-L
(Page 5)
CD,TUNER B
SECTION
DATA,CLOCK
(Page 5) D
CD,TUNER
SECTION
JK301
L-CH
MD(VIDEO) IN
R-CH
JK803
L
AUDIO
R R-CH
GAME
INPUT
VIDEO
JK602
VIDEO OUT
EXCEPT AEP,UK
VR801
MIC
IC802
LEVEL
JK802 IC802
(1/2)
3
(2/2)
MIC
1 6
2 7
5
LIMITER
Q801
IC201
DECK A/B SELECT
DECK-A PB/REC EQ AMP
32 A IN(L)
PB
PB OUT(L)
HEAD
R-CH
REC IN(L)
ALC(L)
DECK-B
34 B IN(L)
EQ OUT(L)
BIAS
21 REC OUT(L)
TRAP
REC/PB
HEAD
L201
R-CH
R-CH
REC MUTE ON/OFF
BIAS
ERASE
OSC MUTE ON/OFF
HEAD
Q223
Q228
+12V
BIAS
Q224
Q225
Q219
Q221
REC BIAS
Q222
• R-CH is omitted due to same as L-CH.
TU MUTE
CD,TUNER C
• Signal Path
SECTION
: FM
(Page 5)
: CD
DI2,DO1,CLK,LATCH
CD,TUNER E
SECTION
: PB (DECK A)
(Page 5)
: PB (DECK B)
: REC (DECK B)
IC501
IC301
POWER AMP
SOUND PROCESSOR
39 IN2B OUT2 25 1
2
MUTE
Q301
DBFB
40 IN2A REF 1
Q631
D631
DATA
21 DATA
CLOCK
22 CLOCK
MUTE
Q581
37 IN2D
MUTE CONT
36 IN2E
Q503,504
IC304
(2/2)
2 MIC
5 7
SW OUT 24
38 IN2C
SA OUT 19
35 REC OUT2
Q361,362
MUTE CONT
26
24
IC801(2/3)
SYSTEM CONTROL
23
SYS MUTE 3
Q210-212
28 9 AMS
AMS
TAPE DECK
TAPE A STAT 18 A HALF
MODE SW A
REC(REW)
IC601
SHIFT REGISTER B HALF
TAPE B STAT 19
MODE SW B
9 REC MUTE
15
REC(FWD)
14 12 PB MUTE
A/B 13 8 A/B PHOTO A 83 A PHOTO
PHOTO B 84 B PHOTO
18 BIAS
Q601,602
SOL A
23 SOL A
A SOL DRIVE
Q603,604
20 REC SOL B 22 SOL B
B SOL DRIVE
Q605,606
MECHA VCC 24 CAP M+
M+B CONT
10 MUTE
STK MUTE 19
SP RELAY(F)
17
DI2
DO2
25
DO1
26 DI1
CLK
3 CLK
LATCH
4 LATCH
CD POWER 6
MUTE
Q363
6
7
PROTECT
PROTECT
12
CONT
DETECT
Q381,382 Q383
OVER LOAD D502
PROTECT
DETECTOR
SWITCH
Q501
Q387
+B
OVER HEAT
DETECTOR
Q582,583
TH501
FAN SW
Q584
MUTE CONT
Q365
D362
IC304(1/2)
2 1
D801,802
HIGH
FREQ
D803,804
MID/HIGH
FREQ
D805,806
MID
FREQ
D807,808
LOW
FREQ
S827-838
FUNCTION
KEY
S801-812
FUNCTION
KEY
S814-826
FUNCTION
KEY
VR802
VOLUME
VOLUME
ENCODER
RM601
REMOTE
CONTROL
RECEIVER
RES801
10MHz
X801
32.768MHz
6 6
R CH
JK801
PHONES
L
RY371
L
JK302
PROTECT RELAY
SWITCH DRIVE SPEAKER
R
R CH
Q386 Q384,385
R
D383
IC503
SUB WOOFER AMP
IC302 IC302
(1/2) (2/2)
6
3 1 5 7
1
2
7
MUTE
12
Q505
MUTE
Q304
-B SWITCH -B
Q512,513 (-30V)
Q371
FAN
D518
FAN961
DRIVE
STK MUTE
Q511
IC801(3/3)
SYSTEM CONTROL
FLD801
78 HEADPHONE SENSOR
FLOURESCENT
INDICATOR TUBE
77 PROTECT SENSOR
20 VACS
F1 F2
21 G01 42
SPEANA H
G13 30
43
22 SPEANA M/H
45
.
P01 47
P30 50
.
23 SPEANA M
52
71 .
EVER
73
+5.6V
24
SPEANA L 75
LED603
PWR LED 1
25 KEY INPUT0 VPP 51
-30V
26 KEY INPUT1
POWER
AMP
27 KEY INPUT2
IC683
+12V
TU +12V 1 3
REG
87 VP ENCODER A
VR ENCODER B
86 +12V
UNREG
FAN +B
IC682
85 REMOCON
+5.6V
+5.6V 1 3
REG
IC681
15 CF1
+5V
A +5V 1 3
REG
16 CF2
PWR DOWN 28
12 XT1
RESET 11
D691 IC684
D692
13 XT2 P.S RELAY 2 +7V
+7V 1 3
REG
EVER +5.6V
D822
µCOM +B
Q809 IC803
D824
RESET
3 RESET 1 3
SWITCH
D817
AEP,UK
CN311
RELAY
DRIVE SUB WOOFER
Q389
CONTROL
RY373
JK303
SUB WOOFER
OUT
T911
D911
MAIN TRANS
-30V SW
Q911
+B
PROT
D541
-B
D543 D542
D681-684
SP,AUS AUS
JW911
JW7
JW912 AEP,UK.SP JW6
Q681
F919 AEP/UK
E2,E51,SP,
AR,KR
SP
230-240V S901
Q682
220V VOLTAGE
D687-690
SELECTOR
120V
230-240V
220V
120V
VF2
VF1
T901
D901-904 SUB TRANS
IC901
+5.6V AC
1
REG IN
Q901 RY901
RELAY
DRIVE