DOWNLOAD Panasonic SC-HC37EC / SC-HC37EE / SC-HC37EF / SC-HC37EG Service Manual ↓ Size: 11.51 MB | Pages: 127 in PDF or view online for FREE

Model
SC-HC37EC SC-HC37EE SC-HC37EF SC-HC37EG
Pages
127
Size
11.51 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / COMPACT STEREO SYSTEM
File
sc-hc37ec-sc-hc37ee-sc-hc37ef-sc-hc37eg.pdf
Date
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Panasonic SC-HC37EC / SC-HC37EE / SC-HC37EF / SC-HC37EG Service Manual ▷ View online

121
16.1.5.
MAIN P.C.B. (3/3)
16.1.6.
PANEL P.C.B.
16.1.7.
SMPS P.C.B.
REF NO.
MODE
E
C
B
E
C
B
E
C
B
E
C
B
POWER ON
3.7
4.5
3.7
3.7
4.5
3.7
16.5
0
4.5
0
3.2
0
STANDBY
3.7
4.5
3.7
3.7
4.5
3.7
16.5
0
4.5
0
3.2
0
REF NO.
MODE
1
2
3
4
5
6
7
8
E
C
B
E
C
B
E
C
B
POWER ON 17.0
17.0
17.0
1
17.0
17.0
17.0
17.0
0
8.8
0
3.3
3.3
2.5
0
5.0
0
STANDBY
17.0
17.0
17.0
1
17.0
17.0
17.0
17.0
0
8.8
0
3.3
3.3
2.5
0
5.0
0
REF NO.
MODE
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
POWER ON
5.0
0
5.0
5.0
0
5.0
0
1.0
2.3
3.3
3.3
0
0
3.7
3.0
STANDBY
5.0
0
5.0
5.0
0
5.0
0
1.0
2.3
3.3
3.3
0
0
3.7
3.0
REF NO.
MODE
E
C
B
POWER ON
0
0
3.2
STANDBY
0
0
3.2
QR6001
SC-HC37EC/EE/EF/EG MAIN P.C.B.
Q6005
Q404
Q403
Q402
Q400
Q401
Q6004
Q1101
QR1100
Q6006
Q6007
QR400
QR401
REF NO.
MODE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
POWER ON
0
0
0
0
1.9
3.3
3.3
0
1.5
0
0
0
3.3
-26.8 -26.8 -24.5 -15.4 -17.7 -20.0 -24.6
STANDBY
0
0
0
0
1.9
3.3
3.3
0
1.5
0
0
0
3.3
-26.8 -26.8 -24.5 -15.4 -17.7 -20.0 -24.6
REF NO.
MODE
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
POWER ON -24.5 -24.6 -20.0 -16.4 -26.8 -24.6 -26.8 -20.0 -20.0 -27.4 -15.6 -25.1 -24.8 19.6 -24.5 -24.5 -24.5 -24.5 -24.5 -24.5
STANDBY
-24.5 -24.6 -20.0 -16.4 -26.8 -24.6 -26.8 -20.0 -20.0 -27.4 -15.6 -25.1 -24.8 19.6 -24.5 -24.5 -24.5 -24.5 -24.5 -24.5
REF NO.
MODE
41
42
43
44
POWER ON -24.5 -24.5
3.3
0
STANDBY
-24.5 -24.5
3.3
0
SC-HC37EC/EE/EF/EG PANEL P.C.B.
IC6801
IC6801
IC6801
REF NO.
MODE
1
2
3
4
5
6
7
8
POWER ON
3.0
20.2
0
2.0
1.0
1.0
1.0
1.0
STANDBY
3.0
20.2
0
2.0
1.0
1.0
1.0
1.0
REF NO.
MODE
1
2
3
4
POWER ON
0
0
2.5
18.0
STANDBY
0
0
2.5
18.0
REF NO.
MODE
E
C
B
E
C
B
E
C
B
POWER ON
0
18.0
5.0
18.0
18.0
5.0
0
5.0
0
STANDBY
0
18.0
5.0
18.0
18.0
5.0
0
5.0
0
SC-HC37EC/EE/EF/EG SMPS P.C.B.
IC1700
IC1701
Q1700
Q1701
QR1700
122
16.1.8.
Waveform Chart
WF No. IC52-2,13,14 (TUNER)
0.1Vp-p(200usec/div)
WF No. IC6002-12 (PLAY)
3.8Vp-p(50nsec/div)
WF No. IC400-13 (PLAY)
2Vp-p(20nsec/div)
WF No. IC400-14 (PLAY)
2.2Vp-p(20nsec/div)
WF No. IC6002-16 (PLAY)
2.1Vp-p(10usec/div)
WF No. IC450-3 (PLAY)
1.4Vp-p(5usec/div)
WF No. IC6002-13 (PLAY)
3Vp-p(50nsec/div)
WF No. IC6002-15 (PLAY)
1.1Vp-p(10usec/div)
WF No. IC450-12 (PLAY)
2.8Vp-p(5usec/div)
123
16.2. Illustration of IC’s, Transistors and Diodes
No.1
No.1
B1ADCF000001
B1ADCE000012
B1ABCF000011
B1ABGC000001
DSA500100L
B1GBCFJJ0051
B1GBCFNN0038
B1GDCFJJ0041
B1ABCF000176
MN6627947RD (144P)
RFKWMHC37EG (100P)
C0HBB0000057 (44P)
C0DBGYY01843
C0DBAYY01462 (8P)
C1AB00003801 (14P)
C3ABMY000027 (50P)
C3EBEY000037 (8P)
C3EBFY000029 (8P) 
C0DBZMC00006 (4P)
C0JBAR000586 (14P)
B0BC7R500001
DA22F2100L
B0BC03200003
C0DBEYY00146
C0CBCAC00358
C0DBZYY00483
C0DBZYY00381
C0GBY0000117 (30P)
C1AB00003800 (48P)
1
2
3
4
E
C
B
C1AB00003569
1
2
3
4
5
8
1
4
5
C0DACYY00012
B0ECKM000008
A
Ca
Anode
Cathode
DZ2J030M0L
DZ2J056M0L
DZ2J110M0L
DZ2J220M0L
DZ2J390M0L
DA2J10100L
DZ2J062M0L
C0EBY0000861
B0ABSM000008
1
5
11
15
16
20
10
6
MFI337S3959
5
8
4
1
B0EBNR000049
No.1
A
Ca
Anode
Cathode
B0EAMM000057
B0EAKT000063
B1ABMG000008
B1GBCFJN0038
B1CHRD000051
B3AAB0000334
B0JAME000114
A
Ca
Cathode
Anode
1
4
8
5
A
Ca
Anode
Cathode
Anode
Cathode
A
Ca
E
C
B
E
A
A
CA
124
16.3. Terminal Function of IC’s
16.3.1.
IC6002 (RFKWMHC37EG) MICRO PROCESSOR IC
Pin No.
Mark
I/O
Function
1
DAMP_RST
O
DAMP RESET
2
DAMP_SLEEP
O
DAMP SLEEP MODE
3
DAMP_MUTE
O
DAMP MUTING
4
OCD_SDA
O
OCD SERIAL DATA
5
PDET2 
(D_AMP)
I
D-AMP WARNING / ERROR 
DETECT (ACTIVE LOW= ERROR)
6
OCD_SCK
O
OCD SERIAL DATA CLOCK
7
HPMUTE
O
HEADPHONE MUTING
8
LID_RIGHT
O
SLIDING DOOR OPEN.CLOSE 
CONTROL RIGHT
9
DAMP_ERR
I
DAMP ERROR
10
LID_LEFT
O
SLIDING DOOR OPEN.CLOSE 
CONTROL LEFT
11
GND_MM0D0
-
GROUND
12
OSC2(OUT)
O
OSCILLATOR OUTPUT
13
OSC1(IN)
I
OSCILLATOR INPUT
14
VSS
-
GROUND
15
XI
O
OSCILLATOR OUTPUT
16
XO
O
OSCILLATOR INPUT
17
VDD33
-
+3.3 VOLTAGE SUPPLY
18
VDD18
-
+1.8 VOLTAGE SUPPLY
19
NRST
I
ACTIVE LOW RESET
20
CD_M_REQ
O
CD MICRO-PROCESSOR INTER-
RUPT REQUEST
21
RST_SW
I
RESET SWITCH
22
CD_RESET
O
CD RESET
23
I2S_OFF
O
I2S ON/OFF (FOR V TUNER)
24
USB_EN
O
USB ENABLE
25
REM_IN
I
REMOTE CONTROL INPUT
26
USB_OVC
I
USB OVERCURRENT
27
USB_IN
I
USB IN
28
TUN_INT
I
TUNER INTERRUPT
29
CD_S_REQ
I
CD STATUS REQUEST
30
NC (PULL UP)
-
NO CONNECTION
31
NC
-
NO CONNECTION
32
NC
-
NO CONNECTION
33
NC
-
NO CONNECTION
34
CD_SI
O
CD SERIAL INPUT
35
CD_SO
I
CD SERIAL OUTPUT
36
CD_SCLK
O
CD SERIAL CLOCK
37
VDD18
-
+1.8 VOLTAGE SUPPLY
38
TRV_CW
O
TRAVERSE MOTOR CLOCKWISE
39
VSS
-
GROUND
40
TRV_CCW
O
TRAVERSE MOTOR COUNTER-
CLOCKWISE
41
NC
-
NO CONNECTION
42
NC
-
NO CONNECTION
43
iPod_OVC
I
iPod OVERCURRENT PROTEC-
TION
44
POS_SW_ABN
O
POSTION SWITCH ABNORMAL 
DETECT
45
iPod_DET
I
iPod DETECT
46
POS_SW_L
I
SLIDING DOOR POSITION 
DETECT (L)
47
POS_SW_CEN
I
SLIDING DOOR POSITION 
DETECT ©
48
POS_SW_R
I
SLIDING DOOR POSITION 
DETECT ®
49
iPod_PCONT
O
iPod POWER CONTROL
50
PCONT_POW
O
POWER CONTROL
51
SMPS_CUT
O
SMPS CUTOFF
52
ECO_MODE
-
NO CONNECTION
53
STBY_CTRL
O
STANDBY CONTROL
54
MODEL_SEL
I
MODEL SELECTION
55
AP_RESET
-
AIRPLAY RESET (FOR HC57 
ONLY)
56
AP_V1R2_ON
-
NO CONNECTION (FOR HC57 
ONLY)
57
AP_V1R9_ON
-
NO CONNECTION (FOR HC57 
ONLY)
58
AP_CS
-
AIRPLAY CHIP SELECT (FOR 
HC57 ONLY)
59
NC
-
NO CONNECTION
60
EE_SCL
O
EEPROM SERIAL CLOCK
61
EE_SDA
I/O EEPROM SERIAL DATA
62
CRTIMER
-
NO CONNECTION
63
VSS
-
GROUND
64
AP_LED1
-
AIRPLAY LED DRIVE (FOR HC57 
ONLY)
65
AP_LED2
-
AIRPLAY LED DRIVE (FOR HC57 
ONLY)
66
AP_LED3
-
AIRPLAY LED DRIVE (FOR HC57 
ONLY)
67
NC
-
NO CONNECTION
68
NC
-
NO CONNECTION
69
PWR_LED
O
POWER LED DRIVE
70
NC
-
NO CONNECTION
71
NC
-
NO CONNECTION
72
AP_DIN
-
AIRPLAY DATA IN (FOR HC57 
ONLY)
73
AP_DOUT
-
AIRPLAY DATA OUT (FOR HC57 
ONLY)
74
AP_CLK
-
AIRPLAY CLOCK (FOR HC57 
ONLY)
75
NC
-
NO CONNECTION
76
FL_DI
O
FL DISPLAY DATA INPUT
77
FL_CS
O
FL DISPLAY CHIP SELECT
78
FL_CLK
O
FL DISPLAY CLOCK
79
TU_SDA
I/O TUNER SERIAL DATA
80
TU_RST
O
TUNER RESET
81
TU_SCL
O
TUNER SERIAL CLOCK
82
DAMP_SDA
I/O DAMP SERIAL DATA
83
NC
-
NO CONNECTION
84
DAMP_SCL
O
DAMP SERIAL CLOCK
85
AP_IREQ
O
AIRPLAU INTERUPT REQUEST 
(FOR HC57 ONLY)
86
NC
-
NO CONNECTION
87
NC
-
NO CONNECTION
88
NC
-
NO CONNECTION
89
VDD
-
VOLTAGE SUPPLY
90
NC
-
NO CONNECTION
91
VSS
-
GROUND
92
KEY1
I
KEY INPUT 1
93
REGION_SUB
I
REGION SETTING
94
KEY2
I
KEY INPUT 2
95
SMPS_REG
I
SMPS TYPE DETECTION
96
PDET1 (REG)
I
REGULATOR POWER RISE 
DETECT
97
REGION
I
TUNER REGION SETTING 
98
NC
-
NO CONNECTION
99
M_VDET
I
SMPS POWER DETECT / POWER 
DROP DETECTION
100
VREF+
-
VOLTAGE SUPPLY
Pin No.
Mark
I/O
Function
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