Block Diagram - Main/Power Section - Sony HCD-GN800 Service Manual

HCD-GN800
Q Q
3 7 6 3 1 5 1 5 0
– MAIN/POWER Section –
REC L-CH
TUNER/TAPE DECK
D
SECTION
SPEANA
F
DISPLAY SECTION
J117
L
VIDEO/MD
19
(AUDIO) IN
R
R-CH
CD L-CH
A
CD SECTION
IND1
6
INB1
INPUT
4
TUNER L-CH
INC1 SELECT
TUNER/TAPE DECK
E
5
SWITCH
SECTION
INA1
3
TAPE L-CH
TUNER/TAPE DECK
C
SECTION
INEX1
7
2
J601
L
AUDIO
J716
R R-CH
GAME
VIDEO OUT
INPUT
T E
L 1 3 9 4 2 2 9 6 5 1 3
VIDEO
J721
MIC AMP
MIC AMP
MIC IC722 (1/2) IC722 (2/2)
BIAS
Q721
RV722
MIC
LEVEL
CN802
SYSTEM CONTROL
(TO SS-WG800)
1
AD-KEY
7
LED-SW-ON
5
LED-SW-LINK
4
LED-SW-MATRIX-SURR-1
6
LED-SW-MATRIX-SURR-2
w w w
2
VOLUME
INPUT SELECT SWITCH,
TONE CONTROL,
ELECTRICAL VOLUME
IC102
8
BB A1
+ 16
R-CH
BB B1
17
OUT1
18
TOUT1 VOLIN1
VOLUME
14 15
CONTROL
SOUND
CONTROL R-CH
+
CIRCUIT
R-CH
CPU
INTERFACE
24 21 22
79 80
SYSTEM CONTROLLER
IC501 (3/4)
PROTECTOR 78
FRONT-RELAY 83
A+9V
STK-MUTE 75
VACS IN 81
HP MUTE 76
HP DETECT 50
LINK-RELAY 84
SW-RELAY 82
95 SW-AD-KEY
70 SW-ON-LED
69 SW-LINK-LED
LED-SW-
72
MATRIX-SURR-1
LINE-MUTE 77
LED-SW-
71
MATRIX-SURR-2
BPF
IC821
HPF LPF
5 7 3 1 2 4
LINE AMP,
ELECTRICAL VOLUME
x a o
IC801 y
. i
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R-CH
D130
FEED BACK
SWITCH
Q101
POWER AMP
IC501
11
18
10
8
R-CH 14
9
MUTING
12
Q620
R-CH
OVER LOAD
DETECT
Q501, 551
OVER CURRENT
PROTECTOR
IC502
STANDBY
2 VP
SWITCH
Q503, 504, 581
1 OCP
D502
Q Q
+ 3 7 6
3 OUT CT 4
TEMPERATURE
DETECT SWITCH
Q505, 506
FAN MOTOR FAN MOTOR
ON SWITCH DRIVE
Q518 Q851, 852
Q602
TH502
TEMPERATURE
DETECT SWITCH TH501
Q514
D391
MUTING CONTROL
SWITCH
Q650, 651
LINE AMP
IC841
VOLUME
7 9 2 1 5
CONTROL
AGC
u 1 6 3
Q842
8
30 30
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2 4
8 9 9
HEADPHONE MUTING
Q671, 624
MUTING CONTROL
SWITCH
Q652
VL (AC)
VL (AC)
RY501
D509 D508
OVER LOAD RELAY
FRONT SPEAKER
3 1 5 1 5 0 8 9
DETECT SWITCH SWITCH
RELAY DRIVE SURROUND
Q510 Q511
Q516, 517 SPEAKER PROTECT
RELAY DRIVE
M891
(FAN)
M
OVER LOAD
DETECT SWITCH
Q385
OVER LOAD
DETECT
Q301, 351
SUB WOOFER AMP
IC301
4 7
7 10 13
5 6
m
8 1
MUTING
c o
Q841
Q304
STANDBY
SWITCH
.
Q302, 303
+VL
–VL
2
8 9 9
J631
PHONES
TM501
+
L
–
FRONT SPEAKER
IMPEDANCE
+
USE 6–16Ω
R
–
+
L
SURROUND
–
SPEAKER
+ IMPEDANCE
USE 24Ω
R
–
RY502
2 4 9 8 2 9 9
Q513, 515
TM801
+
SUPPER WOOFER
OUT
IMPEDANCE
USE 8Ω
–
RY381
SUB WOOFER
PROTECT
RELAY DRIVE
Q381, 384
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: TUNER (FM/AM)
: TAPE PLAY
: REC
: CD PLAY
: VIDEO/MD (AUDIO) IN
: GAME INPUT (AUDIO)
: GAME INPUT (VIDEO)
: MIC INPUT