Read JBL GTR 104 Service Manual online
1
2
3
4
A
B
C
D
4
3
2
1
D
C
B
A
R51P
100K
Q11P
2SC1815
R48P
1K
I
1
G
2
O
5
en
3
nc
4
U12P
TPS709
C86P
226P
C87P
226P/6.3V
C88P
226P/6.3V
R60P
10K
R61P
1K
AD2
B+3.3V
to
按键
Q12P
2SC1815
R50P
1.8K
R49P
47K
R47P
2.7K
R62P
3.9K
R46P
11.5K
R52P
680R
GPIA3
1
VDD
2
GPIOA5DH
3
GPIOA4DH
4
GPIOB4D
5
GPIOB0D
6
GPIOA2DH
7
GPIOA1DH
8
VSS
9
GPIOA0DH
10
U8P
WT51F108
MCU_SP REM
MCU_SP REM
R55P
27K
REM
REM
1
2
J4
2P
AUX +12V
REM out
R53P
NC
R54P
4.3K
C97P
104P
A
K
D35P
BAS316
Q10P
2SC1815
A
K
D36P
BAS316
FUSED2
PROT LED
1
2
3
4
U10P
P185
PROT_85C
R56P
1K
R68P
4.7R
CB4
475/16V
C85P
220uF/16V
R45P
47K
E
C
B
0
Q43P
BCX52-16
C80P
105P
C96P
105P
E1
E2
1
2
3
4
5
J6
5P/1.25MM
SWUT
ON/OFF
REM-1
FUSED1
FU
SE
D
2
FUSED1
E2
E1
PAGE 13/19
PROT_2
PROT_85C
PAGE 17/19
PAGE 17/19
PROT_85C
PROT_2
FUSED2
REM-1
PROT LED
PROT LED
MCU_SP REM
PAGE 4/19
AD2
AD2
PAGE 17/19
盒子开机
℃
NTC1
10K
10K
R67P
5.6K
5.6K
1
2
R59P
10K
R58P
0R
R57P
0R
C91P
104P
104P
C90P
104P
③检测高低电 压保护，
C89P
104P
104P
PTC1在不同的温 度(散热片85C/90C),I/O识别不同的 电压.
85C输出一个信 号给主MCU关DSP /BT的+3.3V,
85C输出一个信 号给主MCU关DSP /BT的+3.3V,
1
2
3
4
U11P
P185
PROT_2
R63P
1K
没有信号
10
分钟关机
,
短路保护给红灯信号
,
L=8.5V
L=8.5V
L=8.5V
PAGE 16/19
020113000189
020113000189
REM out-2
AUTO OFF
AUTO OFF
D32P
BAS316
PROT 85C
D23P
RS1M
FUSED1
E
C
B
Q26P
2SA1015
R24P
2.2K
R70P
47K
L2P
030123000017
L12
L
L
L13
L
C33P
104P
C36P
104P
FUSED2
C100P
104P
104P
+
1
-
2
FE
D
3
DT
4
CT
5
RT
6
GND
7
OP
1
8
E1
9
E2
10
OP
2
11
VC
C
12
13
RE
F
14
-
15
+
16
U18
TL494
RB7
100K
RB8
3K
CB3
682P
CB2
104P
RB5
10K
CB1
106P
CB5
226P
RB4
10K
RB1
10K
RB3
10R
RB6
10K
PROT4
PROT4
DT1
+5V
E2
E1
E1
AUX +12V
U+12V
PROT4
℃
NTC2
NC
NC
C21P
475P
475P
C14N
104P
104P
R7N
8.2K
C15N
104P
Q6N
2SC1815
R24N
47R
47R
PROT3
PROT3
+12V-1
+12V-1
D8P
0R/0805
C21P,CB4
POWER DRIVE
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