Schematic Diagram - Panel Section - Sony HCD-HPR90 - Receiver Component For Mini Hi-fi Systems Service Manual

HCD-HPR90/HPR99XM
6-17. SCHEMATIC DIAGRAM – PANEL Section –
R957
22k
S957
DSGX
11
KEY3-2
KEY3-1
KEY2
KEY1
VOLUME
JOG
DGND
SIRCS
EVER+3.3V
(Page
23) LED STANDBY
LED DSGX
1
J981
AUDIO IN
J982
PHONES
HCD-HPR90/HPR99XM
R956 R955 R954 R953 R952
10k 4.7k 2.2k 2.2k 1k
S956 S955 S954 S953 S952
DISC SKIP/ AUDIO IN TUNER/ CD
EX-CHANGE CANCEL BAND
R967 R966 R965 R964 R963 R962
22k 10k 4.7k 2.2k 2.2k 1k
S966 S965 S964 S963 S962
- + DISPLAY
CAT - TUNING +
R975 R974 R973 R972
4.7k 2.2k 2.2k 1k
KEY3-1 S975 S974 S973 S972
KEY2
KEY1
DISC 5 DISC 4 DISC 3 DISC 2
VOLUME
JOG
FB981
0
R983 R982 R981
47k 2.2k S982 10k S981
PLAY MODE/ REPEAT/
C990
0.022 TUNING MODE FM MODE
FB982 C989
0 0.022
FB983 C999
0 0.022
REMOTE CONTROL
RECEIVER
IC951
NJL23H400A
KEY1
S951
C955
47
10V
KEY2
S961
Q952
D951
2SA1235
SLR325VC
B+ SWITCH
STANDBY
R944 R945 R946
10k 10k 10k
S971
Q951
DISC 1
2SC3052
LED DRIVE
R941 R931
1k 1k CN981
C987 9P
470p
AUDIO IN L
R942 C997
100k 470p
R932 100k AUDIO IN GND
AUDIO IN R
C986 0.022 AUDIO IN DET
KEY3-2
DGND
HP L
HP GND
(Page
HP R 25)
C982 C984
0.1 0.1
EP982
(CHASSIS)
32 32
RV952
ROTARY ENCODER
VOLUME
ROTARY ENCODER
PUSH ENTER
R951 R950
10k 1k
R991
R989 1k
2.2k C961
0.1
C960
0.1
R992
10k
R949 R948
4.7k 2.2k
R990
4.7k
VOLUME
R947
100
D952
SLR325DC
DSGX
C851
470p
(Page 29)
CN850
2P C852
470p
C853
470p
CN870
2P
C854
470p
(Page 29)
RV951
(JOG)
B
COM
A
4
L
J860
SPEAKER
R
1