JBL HARMONY, Service Manual

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3 1
CD Player/Tuner Stereo System HARMONY
HARMONY INTEGRATED CIRCUITS
---- ------------
VSS
VDD
OSC
INH
VDD2
VDD1
CE CL DI
S1/P1 S2/P2 S12/P12 S13 S50 S51 COM1 COM2 COM3 COM4
SEGMENT DRIVER & LATCH
SHIFT REGISTER
DETECTOR
ADDRESS
GENERATOR
CLOCK
DRIVER
COMMON
6 8 5
16
INPUTS
RIGHT
INPUTS
LEFT
C16
BUS
OUT
OUT
OUT
OUT
RIGHT REAR
RIGHT FRONT
DIG GND
SDA
SCL
LEFT REAR
LEFT FRONT
TREBLE(L)
2.2nF
C17
R2 5.6K
C15 C14
100nF 100nF
BIN(L) BOUT(L) LOUD(L)
100nF
C11
C5 2.2uF
IN(L) OUT(L)
17 12 19 18 4
25
23
28
27
26
24
22
5.6K R1
C13 C12
2.2nF
100nF 100nF
TREBLE(R) BIN(R) BOUT(R)
20 21
100nF C10
LOUD(R)
C8 2.2uF
IN(R) OUT(R)
7
2.2uF
2.2uF
22uF C7
CREF AGND VCC
1 3 2
R2
R1
R3
11
10
9
R1
R2
R3
C6
C5
C4
L2
L3
L1
C3
C2
C1
L3
L2
L1
13
14
15
OR IN
SELECTOR
INPUT
SUPPLY
MUTE
MUTE
MUTE
MUTE
ATT
ATT
ATT
ATT
SPKR
SPKR
SPKR
SPKR
SERIAL BUS DECODER , LATCHES
BASS
BASS
TREBLE
TREBLE
LOUD
LOUD
VOL
VOL
IC202 - LC75824 LCD Driver
IC401 - TDA7313 Digital Audio Processor